WO2022240260A1 - 항-cd300c 항체를 이용한 병용 요법 - Google Patents
항-cd300c 항체를 이용한 병용 요법 Download PDFInfo
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- C07K16/2818—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily against CD28 or CD152
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Definitions
- the present invention relates to anti-CD300c antibodies and combination therapy using anti-CD300c antibodies. More specifically, the present invention relates to a composition, kit, and combination therapy for preventing or treating cancer comprising an anti-CD300c monoclonal antibody and one or more additional anticancer agents as active ingredients.
- immune anti-cancer drugs are known to have few typical side effects of existing anti-cancer drugs by influencing cancer cells by utilizing the immune system of cancer patients.
- immune anti-cancer agents utilize the body's immune system, unlike targeted anti-cancer agents that target specific mutations or signals of cancer, they can be applied to various types of cancer.
- immune checkpoint inhibitors such as Keytruda® are in the spotlight.
- CD300c CD300 antigen-like family member C protein is a protein encoded by the CD300c gene in humans, present on the surface of various cancer cells, and inhibiting the activity or expression of CD300c protein to activate T cells and cancer cells. It was found that it can reduce the proliferation of (Korean Patent Publication No. 10-2019-0136949).
- Patent Document 1 Korean Patent Publication No. 10-2019-0136949
- the object of the present invention is to solve all of the above problems.
- Another object of the present invention is to provide combination therapy using an anti-CD300c antibody for preventing or treating cancer.
- Another object of the present invention is to provide a pharmaceutical composition for combination therapy using an anti-CD300c antibody for preventing or treating cancer.
- Another object of the present invention is to provide a kit used for combination therapy using an anti-CD300c antibody for preventing or treating cancer.
- Another object of the present invention is to provide a method for diagnosis or treatment based on changes in CD300c expression levels or marker proteins following administration of an anti-CD300c antibody.
- an anti-CD300c antibody or antigen-binding fragment thereof and its use for preventing or treating cancer are provided.
- an anti-CD300c antibody or antigen-binding fragment thereof and one or more additional anti-cancer agents for the prevention or treatment of cancer is provided.
- compositions for preventing or treating cancer comprising an anti-CD300c antibody or antigen-binding fragment thereof and one or more additional anticancer agents as active ingredients.
- a method for preventing or treating cancer comprising administering an anti-CD300c antibody or antigen-binding fragment thereof and one or more additional anticancer agents to a subject in need of such prevention or treatment.
- compositions comprising an effective amount of an anti-CD300c antibody or antigen-binding fragment thereof, and instructions for use in combination with the antibody or antigen-binding fragment thereof and one or more additional anti-cancer agents, comprising: Kits for prevention or treatment are provided.
- prediction of therapeutic responsiveness of an anti-CD300c antibody or antigen-binding fragment thereof comprising determining the expression level of a marker for predicting therapeutic responsiveness based on a biological sample or data obtained from a subject A method for providing necessary information is provided.
- providing information for the prevention or treatment of cancer comprising the step of measuring the expression level of the CD300c protein based on a biological sample or data obtained from a subject in need of prevention or treatment of cancer A method is provided.
- kits for preventing or treating cancer comprising a composition comprising an effective amount of an anti-CD300c antibody or antigen-binding fragment thereof, and instructions instructing use of the antibody or antigen-binding fragment thereof. do.
- the combination therapy of the anti-CD300c antibody and the additional anticancer agent according to the present invention can effectively or synergistically inhibit the growth, proliferation and metastasis of cancer cells, compared to the case where the anti-CD300c antibody or the additional anticancer agent is used alone. confirmed both in vitro and in vivo. Therefore, the combination of such an anti-CD300c monoclonal antibody and an additional anticancer agent can be usefully used for the treatment or prevention of various cancers.
- the expression level of CD300c protein can be used to predict the prognosis of cancer patients or the possibility of treatment using anti-CD300c antibodies. Confirmed.
- changes in marker proteins related to immune checkpoint proteins, immune cell activating factors, tumor microenvironments, etc. were confirmed after administration of the anti-CD300c antibody, and these marker proteins confirm the patient's therapeutic response to the anti-CD300c antibody or other anticancer drugs. It can be used for effective concomitant administration with
- 1A to 1Y show the heavy chain variable region and light chain variable region sequences (nucleic acid and amino acid sequences) of each of the 25 anti-CD300c monoclonal antibodies according to the present invention.
- CDR regions CDR1, CDR2 and CDR3 are indicated in order.
- Figure 2 shows the SDS-PAGE results of the anti-CD300c monoclonal antibody according to Example 1.4 under non-reducing conditions.
- Figure 3 shows the SDS-PAGE results of the anti-CD300c monoclonal antibody according to Example 1.4 under reducing conditions.
- Figure 4 shows the results confirming that CD300c is expressed in normal cells, immune cells, and cancer cell lines according to Experimental Example 1.1.
- FIG. 5a and 5b show results confirming that CD300c is expressed in cancer tissues (FIG. 5a) and immune cells (FIG. 5b) according to Experimental Example 1.2.
- FIG. 6a and 6b show results confirming that CD300c is expressed in tonsil tissue (FIG. 6a) and cancer tissue (FIG. 6b) according to Experimental Example 1.3.
- Example 25 shows changes in the expression of immune checkpoint markers identified based on the nanostring immunoprofiling results obtained in Example 2.1 according to Example 2.2. * indicates a marker whose expression level was statistically significantly changed compared to before treatment with CL7.
- 26 shows the results of differentiation of mononuclear cells into M1 macrophages (whether M1 macrophages are increased) by single or combined treatment of an anti-CD300c monoclonal antibody and an anti-cancer immune agent according to Experimental Example 5.1.
- Figure 43 shows the results of confirming the effect of single or combined administration (including double and triple combined administration) of an anti-CD300c monoclonal antibody and an immunotherapeutic agent according to Experimental Example 8.4 on macrophages in a B16F10 melanoma model under in vivo conditions. .
- 44a and 44b show the results of confirming the anticancer effect of the combined administration of an anti-CD300c monoclonal antibody according to Experimental Example 9 and an immune anticancer agent under in vivo conditions.
- 44A shows the rate of tumor volume reduction
- FIG. 44B shows the complete remission rate.
- Figure 45 shows the result of confirming the effect of improving long-term survival rate by the combined administration of anti-CD300c monoclonal antibody and immunocancer agent according to Experimental Example 10.
- Figures 48a and 48b show the results of confirming whether the monoclonal anti-CD300c antibody and immunotherapeutic agent according to Experimental Example 14 can promote differentiation from mononuclear cells into M1 macrophages by single or combined administration (including double and triple combined administration). .
- 49a and 49b show the result of confirming whether the anti-CD300c monoclonal antibody according to Experimental Example 15 can inhibit cancer cell growth by co-administration with an immunocancer agent.
- 50 to 52 are optimal treatments of Sorafenib (FIG. 50), Gemcitabine (FIG. 51), and Paclitaxel (FIG. 52) for combined treatment with anti-CD300c monoclonal antibody, respectively.
- a graph with selected concentrations is shown.
- FIG. 53 to 55 show the results of confirming the cancer cell growth inhibitory effects of sorafenib (FIG. 53), gemcitabine (FIG. 54), and paclitaxel (FIG. 55) treated in combination with an anti-CD300c monoclonal antibody, respectively.
- the term "antibody” is used broadly, and includes monoclonal antibodies (including full length antibodies), polyclonal antibodies, multiple isotypes of any isotype such as IgG, IgM, IgA, IgD and IgE. It includes specific antibodies (eg, bispecific antibodies), antibody fusions (eg, fusions of an antibody and a (poly)peptide or fusions of an antibody and a compound) and antibody fragments (including antigen-binding fragments).
- anti- when related to an antigen, means that the antibody is reactive with the antigen.
- Antibodies reactive with a particular antigen may be generated by synthetic and/or recombinant methods, such as selection of recombinant antibody libraries on phage or similar vectors, or by immunization of animals with antigens or antigen-encoding nucleic acids, but are not limited thereto.
- a typical IgG antibody is composed of two identical heavy chains and two identical light chains joined by disulfide bonds. Each heavy and light chain comprises a constant region and a variable region.
- the heavy chain variable region (HVR) and light chain variable region (LVR) each contain three segments called “complementarity determining regions" ("CDRs”) or "hypervariable regions", which are primarily involved in binding antigenic epitopes do.
- An antibody herein may be, for example, an animal antibody, a chimeric antibody, a humanized antibody or a human antibody.
- humanization also referred to as reshaping or CDR grafting refers to reducing the immunogenicity of a monoclonal antibody from a heterologous source (usually rodent) and reducing the affinity or effector function (ADCC, complement activation). , Clq binding).
- monoclonal antibody is used interchangeably with “monoclonal antibody” and refers to an antibody obtained from a substantially homogeneous population of antibodies, i.e., the individual antibodies comprising the population are subject to possible natural mutations and/or mutations that may be present in minor amounts. or identical except for post-translational modifications (eg isomerization, amidation). Monoclonal antibodies are highly specific and directed against one antigenic site. A monoclonal antibody exhibits the character of the antibody as being obtained from a substantially homogeneous population and is not to be construed as requiring production of the antibody by any particular method.
- monoclonal antibodies to be used in accordance with the present invention can be used in a variety of techniques, including hybridoma methods, recombinant DNA methods, phage-display technology, and methods using transgenic animals containing all or part of the human immunoglobulin locus. can be produced by
- antigen-binding fragment refers to a portion of an antibody having specific antigen-binding ability or a polypeptide comprising the same. Except where in the context “antibody” is specifically understood to exclude “antigen-binding fragment”, “antibody” and “antigen-binding fragment” may be used interchangeably, and “antibody” refers to "antigen-binding fragment”. It can be interpreted as including. Examples of antigen binding fragments include Fv, Fab, Fab', Fab'-SH, F(ab')2, diabodies, triabodies, tetrabodies, cross-Fab fragments, linear antibodies, single chain antibody molecules (e.g. , scFv), multispecific antibodies formed from antibody fragments and single domain antibodies.
- anti-cancer agent refers to known drugs used in conventional cancer treatment that exhibit cytotoxic or cytostatic effects on cancer cells by acting on various metabolic pathways of cells. targeted anti-cancer agents, and immune anti-cancer agents.
- immuno-cancer agent refers to a drug that kills cancer cells by activating immune cells.
- chemo-cancer agent refers to a cancer treatment agent, also called a cytotoxic anti-cancer agent or a chemo-drug anti-cancer agent.
- subject is used interchangeably with “patient” and is a mammal in need of prevention or treatment of cancer, such as primates (eg humans), companion animals (eg dogs, cats, etc.), livestock animals (eg, cows, pigs, horses, sheep, goats, etc.) and laboratory animals (eg rats, mice, guinea pigs, etc.).
- the subject is a human.
- treatment generally means obtaining a desired pharmacological and/or physiological effect. This effect has a therapeutic effect in terms of partially or completely curing the disease and/or the detrimental effects resulting from such disease. Desirable therapeutic effects include preventing occurrence or recurrence of the disease, amelioration of symptoms, reduction of any direct or indirect pathological consequences of the disease, prevention of metastasis, reduction in the rate of disease progression, amelioration or palliation of the disease state, and remission or including but not limited to improved prognosis.
- treatment may refer to medical intervention for a pre-existing disease or disorder.
- prophylactic treatment i.e., an action or procedure aimed at preventing rather than curing a disease.
- prevention means obtaining a desired prophylactic pharmacological and/or physiological effect in terms of partially or completely preventing a disease or symptom thereof.
- administration refers to a method of providing a substance (eg, an anti-CD300c antibody and antigen-binding fragment thereof or other anti-cancer agent) to achieve a prophylactic or therapeutic purpose (eg, prevention or treatment of cancer) to a subject. .
- a substance eg, an anti-CD300c antibody and antigen-binding fragment thereof or other anti-cancer agent
- biological sample encompasses a variety of sample types obtained from a subject and may be used in diagnostic or monitoring assays.
- Biological samples include, but are not limited to, solid tissue samples such as blood and other liquid samples of biological origin, biopsy samples, tissue cultures, or cells derived therefrom and their progeny.
- biological samples encompass clinical samples, cells in culture, cell supernatants, cell lysates, serum, plasma, biological fluids and tissue samples, particularly tumor samples.
- biological data refers to any analytical data obtained using the biological sample.
- expression level may be determined by measuring the expression level of one or more of mRNA and protein of the marker, and any method known in the art may be used to measure the expression level of mRNA or protein.
- an agent for measuring mRNA expression level may be a primer pair or probe that specifically binds to a corresponding marker gene
- an agent for measuring protein expression level may be an antibody, substrate, or ligand that specifically binds to a corresponding marker gene. Or it may be a cofactor.
- Assay methods for measuring mRNA expression levels include, but are not limited to, reverse transcriptase polymerase reaction, competitive reverse transcriptase polymerase reaction, real-time reverse transcriptase polymerase reaction, RNase protection assay, northern blotting, and DNA chip.
- Assay methods for measuring protein levels include Western blot, ELISA, radioimmunoassay, radioimmunoassay, Oukteroni immunodiffusion method, rocket immunoelectrophoresis, tissue immunostaining, immunoprecipitation assay, complement fixation assay, FACS, protein chips, etc., but are not limited thereto.
- therapeutic responsiveness refers to whether an individual suffering from or suspected of having cancer responds favorably or unfavorably to treatment with a therapeutically active ingredient (eg, a CD300c antibody or antigen-binding fragment thereof), wherein anti-CD300c It can be assessed by changes in the immune system associated with tumor treatment that occur after administration of the antibody or antigen-binding fragment thereof.
- a therapeutically active ingredient eg, a CD300c antibody or antigen-binding fragment thereof
- the anti-CD300c antibody or antigen-binding fragment thereof according to the present invention is an antigen-binding molecule that specifically binds to CD300c protein.
- CD300c protein is used interchangeably with “CD300c” or "CD300c antigen”, and it is known that a protein encoded by the CD300c gene shows significant sequence identity with B7 family proteins and is expressed on the membrane of antigen presenting cells. . Inhibiting the expression or activity of CD300c protein can lead to activation of T cells and/or promotion of differentiation into M1 macrophages.
- anti-CD300c antibody may be used interchangeably with a polypeptide that binds to the CD300c protein.
- polypeptide is intended to mean any polymer composed of amino acids linked together through peptide bonds, regardless of length. That is, polypeptide herein also includes peptides and proteins.
- the anti-CD00c antibody or antigen-binding fragment thereof is capable of specifically binding to the extracellular domain (ECD) of the CD300c protein.
- ECD extracellular domain
- the extracellular domain of CD300c may be the extracellular domain of human CD300c protein and may include the amino acid sequence represented by SEQ ID NO: 402.
- the expression level of CD300c protein showed a very high correlation with the survival period of various cancer patients. Specifically, it was confirmed that compared to the average CD300c expression level of cancer patients, cancer patients with a high CD300c expression level had a shorter survival period than cancer patients with a low CD300c expression level. This means that inhibition of the expression or activity of CD300c using the anti-CD300c antibody or antigen-binding fragment thereof according to the present invention can result in a cancer treatment effect or an effect of increasing the survival time of cancer patients.
- the anti-CD300c antibody or antigen-binding fragment thereof according to the present invention can exhibit anticancer effects by specifically binding to CD300c expressed on the surface of various cancer cells. Binding of the anti-CD300c antibody to CD300c can effectively inhibit the proliferation of cancer cells by activating T cells and promoting differentiation into M1 macrophages at the same time, which makes anti-CD300c antibodies effective as immunotherapeutic agents for various cancers. do. In addition, this anti-CD300c antibody can further increase its therapeutic effect through combined administration with existing anticancer drugs, and can be widely applied to various mammals because it has cross-species cross-reactivity (eg, human antigen and mouse antigen). .
- cross-species cross-reactivity eg, human antigen and mouse antigen
- the anti-CD300c antibody when the anti-CD300c antibody is treated with resistant cancer cells exhibiting the ability to resist apoptosis, it is expected to show excellent efficacy in preventing cancer recurrence because the resistance of cancer cells is significantly weakened.
- cancer cells generally evade the immune system by inhibiting the production of IL-2, a pro-inflammatory cytokine.
- Anti-CD300c antibodies restore the production of IL-2 blocked by these cancer cells, thereby activating cancer cells through the activated immune system. It was confirmed that it induces death. Therefore, it is expected that it can be used as a more fundamental immune anti-cancer agent.
- Korean Patent Publication No. 10-2019-0136949 the contents of which are all incorporated herein.
- the antibody or antigen-binding fragment thereof in one embodiment, the antibody or antigen-binding fragment thereof,
- SEQ ID NO: 8 SEQ ID NO: 20, SEQ ID NO: 32, SEQ ID NO: 44, SEQ ID NO: 56, SEQ ID NO: 68, SEQ ID NO: 80, SEQ ID NO: 92, SEQ ID NO: 104, SEQ ID NO: 116, SEQ ID NO: 128, SEQ ID NO: 140, SEQ ID NO: 152, SEQ ID NO: 164, SEQ ID NO: 176, SEQ ID NO: 188, SEQ ID NO: 200, SEQ ID NO: 212, SEQ ID NO: 224, SEQ ID NO: 236, SEQ ID NO: 248, SEQ ID NO: 260, SEQ ID NO: 272, SEQ ID NO: 284 and SEQ ID NO: 296 CDR2 comprising or consisting of an amino acid sequence selected from the group consisting of; and
- SEQ ID NO: 9 SEQ ID NO: 21, SEQ ID NO: 33, SEQ ID NO: 45, SEQ ID NO: 57, SEQ ID NO: 69, SEQ ID NO: 81, SEQ ID NO: 93, SEQ ID NO: 105, SEQ ID NO: 117, SEQ ID NO: 129, SEQ ID NO: 141, SEQ ID NO: 153, SEQ ID NO: 165, SEQ ID NO: 177, SEQ ID NO: 189, SEQ ID NO: 201, SEQ ID NO: 213, SEQ ID NO: 225, SEQ ID NO: 237, SEQ ID NO: 249, SEQ ID NO: 261, SEQ ID NO: 273, SEQ ID NO: 285 and SEQ ID NO: 297 a heavy chain variable region comprising a CDR3 comprising or consisting of an amino acid sequence selected from the group consisting of; and
- SEQ ID NO: 10 SEQ ID NO: 22, SEQ ID NO: 34, SEQ ID NO: 46, SEQ ID NO: 58, SEQ ID NO: 70, SEQ ID NO: 82, SEQ ID NO: 94, SEQ ID NO: 106, SEQ ID NO: 118, SEQ ID NO: 130, SEQ ID NO: 142 , SEQ ID NO: 154, SEQ ID NO: 166, SEQ ID NO: 178, SEQ ID NO: 190, SEQ ID NO: 202, SEQ ID NO: 214, SEQ ID NO: 226, SEQ ID NO: 238, SEQ ID NO: 250, SEQ ID NO: 262, SEQ ID NO: 274, SEQ ID NO: 286 and sequences CDR1 comprising or consisting of an amino acid sequence selected from the group consisting of No. 298;
- SEQ ID NO: 12 SEQ ID NO: 24, SEQ ID NO: 36, SEQ ID NO: 48, SEQ ID NO: 60, SEQ ID NO: 72, SEQ ID NO: 84, SEQ ID NO: 96, SEQ ID NO: 108, SEQ ID NO: 120, SEQ ID NO: 132, SEQ ID NO: 144, SEQ ID NO: 156, SEQ ID NO: 168, SEQ ID NO: 180, SEQ ID NO: 192, SEQ ID NO: 204, SEQ ID NO: 216, SEQ ID NO: 228, SEQ ID NO: 240, SEQ ID NO: 252, SEQ ID NO: 264, SEQ ID NO: 276, SEQ ID NO: 288 and SEQ ID NO: 300. and a light chain variable region comprising a CDR3 comprising or consisting of an amino acid sequence selected from the group consisting of:
- the antibody or antigen-binding fragment thereof in another embodiment, the antibody or antigen-binding fragment thereof,
- a CDR1 comprising or consisting of an amino acid sequence selected from the group consisting of SEQ ID NO: 43, SEQ ID NO: 79, SEQ ID NO: 115 and SEQ ID NO: 211;
- CDR2 comprising or consisting of an amino acid sequence selected from the group consisting of SEQ ID NO: 44, SEQ ID NO: 80, SEQ ID NO: 116 and SEQ ID NO: 212;
- a heavy chain variable region comprising a CDR3 comprising or consisting of an amino acid sequence selected from the group consisting of SEQ ID NO: 45, SEQ ID NO: 81, SEQ ID NO: 117 and SEQ ID NO: 213; and
- a CDR1 comprising or consisting of an amino acid sequence selected from the group consisting of SEQ ID NO: 46, SEQ ID NO: 82, SEQ ID NO: 118 and SEQ ID NO: 214;
- CDR2 comprising or consisting of an amino acid sequence selected from the group consisting of SEQ ID NO: 47, SEQ ID NO: 83, SEQ ID NO: 119 and SEQ ID NO: 215;
- a light chain variable region comprising a CDR3 comprising or consisting of an amino acid sequence selected from the group consisting of SEQ ID NO: 48, SEQ ID NO: 84, SEQ ID NO: 120 and SEQ ID NO: 216.
- the antibody or antigen-binding fragment thereof may be any one selected from the following antibodies:
- CDR1 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 79, CDR2 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 80, and CDR3 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 81 a heavy chain variable region;
- CDR1 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 82, CDR2 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 83, and CDR3 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 84 an antibody comprising a light chain variable region comprising;
- CDR1 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 115, CDR2 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 116, and CDR3 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 117 a heavy chain variable region; And CDR1 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 118, CDR2 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 119, and CDR3 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 120 an antibody comprising a light chain variable region comprising; and
- CDR1 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 211
- CDR2 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 212
- CDR3 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 213 a heavy chain variable region
- CDR1 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 214
- CDR2 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 21
- CDR3 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 216
- An antibody comprising a light chain variable region comprising:
- the antibody or antigen-binding fragment thereof comprises CDR1 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 79, CDR2 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 80, and SEQ ID NO: a heavy chain variable region comprising a CDR3 comprising or consisting of the amino acid sequence represented by 81; And CDR1 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 82, CDR2 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 83, and CDR3 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 84 It may include a light chain variable region comprising.
- the antibody or antigen-binding fragment thereof comprises CDR1 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 115, CDR2 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 116, and SEQ ID NO: a heavy chain variable region comprising a CDR3 comprising or consisting of the amino acid sequence represented by 117; And CDR1 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 118, CDR2 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 119, and CDR3 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 120 It may include a light chain variable region comprising.
- the antibody or antigen-binding fragment thereof comprises CDR1 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 211, CDR2 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 212, and SEQ ID NO: a heavy chain variable region comprising a CDR3 comprising or consisting of the amino acid sequence represented by 213;
- CDR1 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 214, CDR2 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 215, and CDR3 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 216
- CDR1 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 211
- CDR2 comprising or consisting of the amino acid sequence represented by SEQ ID NO: 212
- CDR1 comprising or consisting of the
- the heavy chain variable region is SEQ ID NO: 303, 307, 311, 315, 319, 323, 327, 331, 335, 339, 343, 347, 351, 355, 359, 363, 367, 371, 375 , 379, 383, 387, 391, 395, and 399 comprising an amino acid sequence selected from the group consisting of: 340, 344, 348, 352, 356, 360, 364, 368, 372, 376, 380, 384, 388, 392, 396, and 400.
- the heavy chain variable region comprises an amino acid sequence selected from the group consisting of SEQ ID NOs: 315, 327, 339, and 371, and the light chain variable region comprises SEQ ID NOs: 316, 328, 340, and 372. It may include an amino acid sequence selected from the group.
- the heavy chain variable region comprises the amino acid sequence represented by SEQ ID NO: 315, and the light chain variable region comprises the amino acid sequence represented by SEQ ID NO: 316;
- the heavy chain variable region comprises the amino acid sequence represented by SEQ ID NO: 327, and the light chain variable region comprises the amino acid sequence represented by SEQ ID NO: 328;
- the heavy chain variable region comprises the amino acid sequence represented by SEQ ID NO: 339, and the light chain variable region comprises the amino acid sequence represented by SEQ ID NO: 340;
- the heavy chain variable region may include the amino acid sequence represented by SEQ ID NO: 371, and the light chain variable region may include the amino acid sequence represented by SEQ ID NO: 372.
- the anti-CD300c monoclonal antibody or antigen-binding fragment thereof comprises a heavy chain variable region comprising CDR1 to CDR3 comprising or consisting of amino acid sequences represented by Formulas (1) to (3) below, respectively, and It may include a light chain variable region comprising CDR1 to CDR3 comprising or consisting of the amino acid sequences represented by the following formulas (4) to (6), respectively (each amino acid sequence is in the N ⁇ C direction):
- X4 Y, A, G or H
- X8 R, A, K, or not present
- X9 R, S, G, or not present
- the anti-CD300c antibody or antigen-binding fragment is at least 80%, preferably at least 90%, more preferably at least 95% of the CDR sequences or sequences set forth in Tables 4, 5 and 6 below. , most preferably sequences with 98% or greater sequence identity.
- amino acid sequence variants of the antibodies of the invention are contemplated.
- Amino acid sequence variants of antibodies can be prepared by introducing appropriate modifications into the nucleotide sequence encoding the molecule or by peptide synthesis. Such modifications include, for example, deletion of residues from the amino acid sequence of the antibody, and/or insertion of residues into such amino acid sequences and/or substitution of residues within such amino acid sequences. Any combination of various alterations, including deletions, insertions and substitutions, can be made to arrive at the final construct, but the final construct must retain the desired properties, eg, antigen-binding properties.
- Sites of interest for substitutional mutagenesis include the heavy chain variable regions (HVRs) and framework regions (FRs). Conservative substitutions are provided in Table 1 under the heading "preferred substitutions" and are further described in relation to amino acid side chain classes (1) to (6) below. Amino acid substitutions can be introduced into the molecule of interest and the product screened for the desired activity, eg, maintained/improved antigen binding, reduced immunogenicity, or improved ADCC or CDC.
- Amino acids can be grouped according to common side chain properties:
- Non-conservative substitutions involve exchanging a member of one of these classes for another class.
- amino acid sequence variant includes substantial variants in which an amino acid substitution is present in one or more hypervariable region residues of a parent antibody-binding molecule (eg, a humanized or human antibody).
- a parent antibody-binding molecule eg, a humanized or human antibody.
- the resulting variant selected for further study has a modification, such as an improvement (e.g., increased affinity, reduced immunogenicity) in a particular biological property relative to the parent antibody binding molecule, and/or has a parent antigen binding molecule.
- an improvement e.g., increased affinity, reduced immunogenicity
- Exemplary substitutional variants are affinity matured antibodies, which may conveniently be generated using, for example, phage display-based affinity maturation techniques known in the art.
- one or more HVR residues are mutated and the variant antigen binding molecules displayed on phage to screen for specific biological activity (eg binding affinity).
- substitutions, insertions or deletions may be made within one or more HVRs so long as such alterations do not substantially reduce the ability of the antigen binding molecule to bind antigen.
- conservative alterations eg, conservative substitutions as provided herein
- that do not substantially reduce binding affinity can be made in the HVRs.
- Amino acid sequence insertions may include amino-terminal and/or carboxyl-terminal fusions ranging in length from one residue to polypeptides comprising a hundred or more residues, as well as intrasequence insertions of single or multiple amino acid residues.
- terminal insertions include antibodies with an N-terminal methionyl residue.
- Other insertional variants of the molecule may include fusion to the N-terminus or C-terminus of the polypeptide which increases the serum half-life of the antibody.
- other insertional variants of the molecule may include fusion to the N- or C-terminus of the polypeptide to facilitate passage across the blood-brain barrier (BBB).
- BBB blood-brain barrier
- variants of the antibodies or antigen-binding fragments thereof of the invention that have improved affinity for the CD300c antigen.
- Such variants include CDR mutations (Yang et al., J. Mol. Biol., 254, 392-403, 1995), chain shuffling (Marks et al., Bio/Technology, 10 , 779-783, 1992]), use of mutator strains of E. coli (Low et al., J. Mol. Biol., 250, 359-368, 1996), DNA shuffling ( Patten et al., Curr. Opin. Biotechnol., 8, 724-733, 1997), phage display (Thompson et al., J. Mol.
- the anti-CD300c monoclonal antibody or antigen-binding fragment thereof may have cross-species reactivity. Specifically, the anti-CD300c monoclonal antibody or antigen-binding fragment thereof may be cross-reactive to both human and mouse CD300c antigens. This cross-reactivity is confirmed in Experimental Example 3.1 and Experimental Example 3.8.
- the anti-CD300c monoclonal antibody or antigen-binding fragment thereof may include or be provided in the form of an antibody-drug conjugate conjugated with another drug.
- antibody-drug conjugate refers to a form in which an antibody and a drug are chemically linked without reducing the biological activity of the antibody and the drug.
- the antibody-drug conjugate is a form in which a drug is bound to an amino acid residue at the N-terminus of the heavy and/or light chain of an antibody, specifically, to an ⁇ -amine group at the N-terminus of the heavy and/or light chain of an antibody. Refers to the drug in a conjugated form.
- the “drug” may refer to any substance having a specific biological activity against cells (eg, cancer cells), which includes DNA, RNA, or peptides.
- the drug may be in a form containing a reactive group capable of reacting with an ⁇ -amine group and crosslinking, and also includes a form in which a linker including a reactive group capable of reacting with an ⁇ -amine group and crosslinking is connected.
- the type of reactive group capable of reacting with and crosslinking the ⁇ -amine group is not particularly limited as long as it can react with the ⁇ -amine group at the N-terminus of the heavy or light chain of the antibody and crosslink it, and the reactive group capable of reacting with an amine group known in the art Including all types Examples include Isothiocyanates, Isocyanates, Acyl Azides, NHS esters, Sulfonyl chlorides, Aldehydes, Glyoxal , Epoxide, Oxirane, Carbonate, Aryl halide, Imidoester, Carbodiimide, Anhydride and Fluorophenyl ester ( Fluorophenyl ester) may be included, but is not limited thereto.
- the drug is included regardless of the type as long as it can treat the disease targeted by the anti-CD300c antibody or antigen-binding fragment thereof according to the present invention, but may preferably be an anti-cancer drug.
- the present inventors have confirmed that anti-CD300c antibodies or antigen-binding fragments thereof can exhibit enhanced anti-cancer effects when used in combination with one or more other anti-cancer agents. Accordingly, the anti-CD300c antibody or antigen-binding fragment thereof of the present invention can be used for preventing or treating cancer in combination with one or more other anticancer agents. In one embodiment, the anti-CD300c antibody or antigen-binding fragment thereof may be combined with one or more other immune anti-cancer agents and/or one or more chemo-cancer agents. In another embodiment, the anti-CD300c antibody or antigen-binding fragment thereof may be combined with one or more other immuno-oncology agents and one or more chemo-oncology agents.
- Immune anti-cancer drugs have a new mechanism of activating immune cells in the body to kill cancer cells, and thus have the advantage of being widely used for most cancers without specific genetic mutations.
- immunocancer drugs have fewer side effects in that they treat cancer by strengthening the patient's own immune system, thereby improving the patient's quality of life and significantly prolonging the survival period.
- immune anti-cancer agents include immune checkpoint inhibitors, and may be manufactured by known methods or commercially available products.
- immune anti-cancer agents include anti-PD-1, anti-PD-L1, anti-CTLA-4, anti-CD47, anti-KIR, anti-LAG3, anti-CD137, anti-OX40, anti-CD276, anti-CD27 , anti-GITR, anti-TIM3, anti-41BB, anti-CD226, anti-CD40, anti-CD70, anti-ICOS, anti-CD40L, anti-BTLA, anti-TCR and anti-TIGIT antibodies; Not limited.
- immunocancer agents include durvalumab (Imfinzi), atezolizumab (Tecentriq), avelumab (Bavencio), pembrolizumab (Keytruda), but is not limited to nivolumab (Opdivo), ⁇ CD47, semiplimab (Libtayo), magnolimab (Hu5F9-G4), and ipilimumab (Yervoy). .
- the immune anticancer agent is anti-PD-1, anti-PD-L1, anti-CTLA-4, anti-CD47, anti-KIR, anti-LAG3, anti-CD137, anti-OX40, anti-CD276, anti-CD27, anti-GITR, anti-TIM3, anti-41BB, anti-CD226, anti-CD40, anti-CD70, anti-ICOS, anti-CD40L, anti-BTLA, anti-TCR and anti-TIGIT antibodies It may include any one or more selected from the group.
- the immune anti-cancer agent may include at least one selected from the group consisting of anti-PD-1, anti-PD-L1, anti-CTLA-4, and anti-CD47 antibodies.
- the immune anticancer agent is durvalumab (Imfinzi), atezolizumab (Tecentriq), pembrolizumab (Keytruda), nivolumab (Opdivo) , ⁇ CD47, and ipilimumab (Yervoy) may include any one or more selected from the group consisting of.
- Chemo-cancer agents refer to cancer treatment agents, also called cytotoxic anti-cancer agents or chemo-drug anti-cancer agents. These chemotherapy drugs have the disadvantage of attacking not only cancer cells but also surrounding normal cells, causing side effects such as vomiting, hair loss, and decrease in leukocytes. It is preferable to use them together. These chemotherapy agents include small molecule therapeutic agents, and may be manufactured by known methods or commercially available products. For example, chemotherapeutic agents may include microtubule assembly inhibitors, DNA intercalators or replication inhibitors, multikinase inhibitors, angiogenesis inhibitors, antimetabolites, and Taxols, but Not limited.
- the chemo-cancer agent may include at least one selected from the group consisting of a microtubule assembly inhibitor, a DNA intercalator or replication inhibitor, a multikinase inhibitor, and an angiogenesis inhibitor.
- chemotherapeutic agents are shown in Table 2 below.
- MoA doxorubicin microtubule assembly inhibitor
- paclitaxel docetaxel Vinblastine vincristine Vinorelbine Estramustine phosphate (EMP) NAB-paclitaxel (Abraxane)
- Estramustine phosphate (EMP) NAB-paclitaxel (Abraxane)
- doxorubicin DNA intercalators or replication inhibitors cyclophosphamide epirubicin 5-Fluorouracil etoposide
- Tezacitabine capecitabine Cytarabine methotrexate pemetrexed Mercaptopurine dactinomycin Daunorubicin mitomycin Bleomycin idarubicin Mitox
- chemo-cancer agents are not limited to the anti-cancer agents shown in Table 2, and any chemo-cancer agents may be used as long as they exert the same or similar effects through the same or similar action mechanisms as those of these anti-cancer agents.
- the chemo-cancer agent may include at least one selected from the group consisting of sorafenib, gemcitabine, and paclitaxel.
- an effective or effective non-toxic amount of each of the anti-CD300c antibody or antigen-binding fragment thereof and the additional anti-cancer agent can be determined by routine experimentation.
- the therapeutically active amount of an antibody or anti-cancer agent depends on factors such as the stage of the disease, the severity of the disease, the age, sex, medical complications, and weight of the subject, and the ability of the ingredient to elicit the desired response in the subject and the combination used. It may change depending on the dose of the anticancer agent.
- the dosage and dosing regimen of each of the anti-CD300c antibody or antigen-binding fragment thereof and the additional anti-cancer agent may be adjusted to provide the optimal therapeutic response. For example, several divided doses can be administered daily, weekly, every 2 weeks, every 3 weeks, every 4 weeks, etc., and/or the dose can be proportionally reduced or increased according to the exigencies of the therapeutic situation.
- preventing or treating cancer may include inhibiting cancer proliferation, survival, metastasis, recurrence, or anticancer drug resistance.
- Such methods include the combination of an anti-CD300c antibody or antigen-binding fragment thereof with one or more additional anti-cancer agents.
- the method comprises administering to a subject in need thereof a therapeutically effective amount of an anti-CD300c antibody or antigen-binding fragment thereof together with a therapeutically effective amount of one or more additional anti-cancer agents.
- the one or more additional anti-cancer agents may include one or more immune-oncology agents, one or more chemo-cancer agents, or one or more immuno-oncology agents and one or more chemo-cancer agents.
- cancer refers to a physiological condition in mammals that is typically characterized by unregulated cell growth.
- the cancers to be prevented or treated in the present invention include colorectal cancer, small intestine cancer, rectal cancer, colon cancer, thyroid cancer, endocrine cancer, oral cancer, tongue cancer, pharynx cancer, laryngeal cancer, esophageal cancer, cervical cancer, uterine cancer, and fallopian tube cancer, depending on the site of occurrence.
- the cancer is colorectal cancer, rectal cancer, colon cancer, thyroid cancer, oral cancer, pharyngeal cancer, laryngeal cancer, cervical cancer, brain cancer, lung cancer, ovarian cancer, bladder cancer, kidney cancer, liver cancer, pancreatic cancer, prostate cancer, skin cancer, tongue cancer, It may include at least one selected from the group consisting of breast cancer, cervical cancer, stomach cancer, bone cancer, and blood cancer. In another embodiment, the cancer may be a solid cancer.
- the anti-CD300c antibody or antigen-binding fragment thereof and the one or more additional anticancer agents may be administered concurrently or sequentially.
- administering sequentially means that one component is administered and the other components are administered either immediately after administration or at intervals thereafter, wherein the components may be administered in any order. That is, one or more additional anticancer agents may be administered immediately after administration of the anti-CD300c antibody or antigen-binding fragment thereof or at regular intervals after administration, or vice versa. Alternatively, any one of the one or more additional anti-cancer agents can be administered first, followed by the administration of the anti-CD300c antibody or antigen-binding fragment thereof, followed by the other one of the one or more additional anti-cancer agents.
- the anti-CD300c antibody or antigen-binding fragment thereof may be administered with two or more additional anti-cancer agents.
- an anti-CD300c antibody or antigen-binding fragment thereof is combined with two additional anti-cancer agents (eg, anti-PD-L1 antibody and anti-PD-1 antibody, or anti-PD-1 antibody and anti-CTLA-4 antibody). When used in combination, it was confirmed to exhibit the highest cancer cell proliferation inhibitory effect.
- Each of the antibodies or antigen-binding fragments thereof and the one or more additional anti-cancer agents according to the present invention may be administered in a number of ways depending on whether local or systemic treatment is desired and the area to be treated.
- a method of administering these components to a subject may vary depending on the purpose of administration, the affected site, the condition of the subject, and the like.
- the route of administration may be oral, parenteral, inhalational, topical or topical administration (eg intralesional administration).
- parenteral administration includes intravenous, subcutaneous, intraperitoneal, intrapulmonary, intraarterial, intramuscular, rectal, vaginal, intraarticular, intraprostatic, intranasal, intraocular, intravesical, intrathecal or intraventricular administration (eg intraventricular administration), but is not limited thereto.
- the anti-CD300c antibody and the additional anti-cancer agent may be administered by the same route or may be administered by routes different from each other.
- the effective amount of each of the anti-CD300c antibody or antigen-binding fragment thereof and the one or more additional anticancer agents according to the present invention may vary depending on the age, sex, and weight of the subject (patient), and is generally about 0.01 per kg of body weight. mg to 100 mg, or 5 mg to about 50 mg may be administered once a day in divided doses to several times. However, the scope of the present invention is not limited thereto because it may increase or decrease according to the administration route and period, severity of disease, sex, weight, age, etc.
- the method according to the present invention may include determining the expression level of the CD300c protein from the subject in advance. Depending on its expression level, it can be determined whether to administer the anti-CD300c antibody or antigen-binding fragment thereof.
- the method may further include determining the expression level of the CD300c protein based on a biological sample or data of the subject prior to administration of the anti-CD300c antibody or antigen-binding fragment thereof.
- the method is statistically significant when the expression level of the CD300c protein determined based on the biological sample or data of the subject is compared to a control group (eg, the expression level in normal people without cancer or the average expression level in cancer patients). and determining that the subject is suitable for treatment with the anti-CD300c antibody or antigen-binding fragment thereof if it is extremely high (eg, 10% or higher).
- a control group eg, the expression level in normal people without cancer or the average expression level in cancer patients.
- the difference in the expression level of the CD300c protein presented above is merely exemplary, and may be 20% or more, 30% or more, 40% or more, 50% or more, 60% or more, or 70% or more, but is not limited thereto.
- the control group may be the average expression level in cancer patients of the same type.
- the method according to the present invention measures a change in the expression level of a specific marker after administration of the anti-CD300c antibody or antigen-binding fragment thereof to a subject, thereby further suitable for combination with the anti-CD300c antibody or antigen-binding fragment thereof. It may include the step of selecting an anti-cancer agent.
- the method may further include determining the expression level of one or more markers selected from the following markers based on a biological sample or data from a subject administered with an anti-CD300c antibody or antigen-binding fragment thereof:
- Bst2 bone marrow stromal antigen 2 also known as Tetherin or CD137, it is a lipid raft-related protein encoded by the BST2 gene.
- CD40 Cluster of differentiation 40 A costimulatory protein found on antigen-presenting cells and required for their activation. Binding of CD154 (CD40L) on TH cells to CD40 activates antigen-presenting cells and induces various downstream effects.
- CD70 Cluster of differentiation 70 A protein that in humans is encoded by the CD70 gene.
- CD70 is a ligand for CD27.
- CD86 Cluster of differentiation 86 Known as B7-2, it is a protein constitutively expressed in dendritic cells, Langerhans cells, macrophages, B cells (including memory B cells), and other antigen-presenting cells.
- Ccl8 Chemokine (C-C motif) ligand 8 Known as monocyte chemoattractant protein 2 (MCP2), it is a protein that in humans is encoded by the CCL8 gene.
- MCP2 monocyte chemoattractant protein 2
- 6 Xcl1 X-C Motif Chemokine Ligand 1 A small cytokine belonging to the C chemokine family, also known as lymphotactin.
- 7 Ccr7 C-C chemokine receptor type 7 A protein that in humans is encoded by the CCR7 gene.
- CD80 Cluster of differentiation 80 A B7 type I membrane protein belonging to the immunoglobulin superfamily, having an extracellular immunoglobulin constant-like domain and a variable-like domain required for receptor binding. It is closely related to another B7 protein (B7-2), CD86, and often acts in tandem to prime T cells by binding to the same receptor.
- CD206 Clusters of differentiation 206 Known as the mannose receptor, it is a C-type lectin present primarily on the surface of macrophages, immature dendritic cells and hepatic sinusoidal endothelial cells, but also expressed on the surface of skin cells such as human dermal fibroblasts and keratinocytes. 10 Msr1 Macrophage scavenger receptor 1 A protein encoded by the MSR1 gene in humans. MSR1 is also named cluster of differentiation 204 (CD204). 11 Arg1 Arginase 1 The human ARG1 gene encodes protein arginase. 12 Vegfa Vascular endothelial growth factor A A protein encoded by the VEGFA gene in humans.
- HIF-1-alpha vascular cell adhesion protein 1
- HIF-1 vascular cell adhesion molecule 1
- CD106 cluster of differentiation 106
- Gzma Granzyme A Granzyme A a protein encoded by the Gzma gene, is present in cytotoxic T lymphocyte granules.
- Gzmb Granzyme B Granzyme B a protein encoded by the Gzmb gene, is expressed by cytotoxic T lymphocytes and natural killer (NK) cells.
- Icos Inducible T-cell COStimulator An immune checkpoint protein encoded in humans by the ICOS gene.
- Cd69 Cluster of Difference 69 A human transmembrane C-type lectin protein encoded by the Cd69 gene, which is an early activation marker expressed in hematopoietic stem cells, T cells, and the like. 22 Ifng Interferon gamma A dimerizing soluble cytokine that is the only member of the type II interferon class. 23 Tnf Tumor Necrosis Factor Encoded by the Tnf gene, a multifunctional pro-inflammatory cytokine belonging to the tumor necrosis factor (TNF) superfamily and secreted primarily by macrophages. 24 Cd1d1 CD1d1 antigen Enables T cell receptor binding activity and endogenous lipid antigen binding activity.
- TNF tumor necrosis factor
- Cd1d2 CD1d2 antigen Encodes an MHC class I-like molecule involved in the presentation of lipid antigens to T cells and involved in the activation of natural killer T cells.
- Cd38 Cluster of Differentiation 38 A glycoprotein found on the surface of many immune cells (white blood cells), including CD4 + , CD8 + , B lymphocytes and natural killer cells.
- Cxcr6 C-X-C chemokine receptor type 6 Also referred to as CD186, it has been identified as an entry co-receptor used by HIV-1 and SIV along with CD4 to enter target cells.
- Tbx21 T-box transcription factor TBX21 Also referred to as T-bet (T-box expressed in T cells), it is a protein that in humans is encoded by the TBX21 gene.
- Stat1 Signal transducer and activator of transcription 1 A transcription factor encoded by the STAT1 gene in humans. It is a member of the STAT protein family.
- Stat4 Signal transducer and activator of transcription 4 A transcription factor belonging to the STAT protein family.
- 32 Cxcr3 C-X-C Motif Chemokine Receptor 3 It is a G ⁇ i protein-coupled receptor of the CXC chemokine receptor family.
- 33 IL-12b Subunit beta of interleukin 12 Also known as natural killer cell stimulating factor 2, cytotoxic lymphocyte maturation factor p40 or interleukin-12 subunit p40, which in humans is a protein encoded by the IL12B gene.
- IL6 Interleukin 6 An interleukin that acts as both a pro-inflammatory cytokine and an anti-inflammatory myokine. In humans, it is encoded by the IL6 gene. 36 IL13 Interleukin 13 A protein encoded by the IL13 gene in humans. 37 PD-1 Programmed cell death protein 1 Known as CD279 (cluster of differentiation 279), it is a protein responsible for regulating the immune system's response to the body's cells by suppressing T-cell inflammatory activity to down-regulate the immune system and promoting self-tolerance. It prevents autoimmune disease, but may also prevent the immune system from killing cancer cells.
- PD-L1 Programmed death-ligand 1 Also known as CD274 (cluster of differentiation 274) or B7-H1 (B7 homolog 1), a protein that in humans is encoded by the CD274 gene.
- CTLA-4 cytotoxic T-lymphocyte-associated protein 4 Known as CD152 (Cluster of Differentiation 152), it is a protein receptor that functions as an immune checkpoint and downregulates the immune response.
- CD152 Cluster of Differentiation 152
- Lag3 Lymphocyte-activation gene 3 A protein that in humans is encoded by the LAG3 gene.
- 41 Tim3 immunoglobulin and mucin-domain containing-3 Also known as HAVCR2 (Hepatitis A virus cellular receptor 2), a protein that in humans is encoded by the HAVCR2 gene.
- CD134 TNFRSF4
- TNFRSF4 TNFR receptor superfamily that is not constitutively expressed on resting na ⁇ ve T cells.
- Hvem Herpesvirus entry mediator A human cell surface receptor of the TNF receptor superfamily.
- CD27 Cluster of differentiation 27 A member of the tumor necrosis factor receptor superfamily.
- CD28 Cluster of differentiation 28 One of the proteins expressed in T cells that provide costimulatory signals necessary for T cell activation and survival.
- Cma1 Chymase 1 An enzyme encoded by the CMA1 gene in humans.
- T-cell membrane protein 4 (TIM-4), it is a protein encoded by the TIMD4 gene in humans.
- Cxcl5 C-X-C Motif Chemokine Ligand 5 A protein that in humans is encoded by the CXCL5 gene.
- Ccl21a Chemokine (C-C motif) ligand 21 It is a small cytokine belonging to the CC chemokine family.
- the method may further include selecting an additional anti-cancer agent based on the expression level of the identified marker.
- the markers may include PD-1, PD-L1, CTLA-4, Lag3, Tim3, Icos, Ox40, Gitr, Hvem, CD27 and CD28, but are not limited thereto.
- the marker may include one or more selected from the group consisting of PD-1, PD-L1, CTLA-4, Lag3, Tim3, Icos, Ox40, Gitr, Hvem, CD27 and CD28. In another embodiment, the marker may include one or more selected from the group consisting of PD-1, PD-L1, CTLA-4, Lag3 and Tim3. In another embodiment, the marker may include one or more selected from the group consisting of Icos, Ox40, Gitr, Hvem, CD27 and CD28.
- Changes in the expression level of these markers refer to changes in tumor/immunity-related markers that affect tumor suppression effects when the anti-CD300c antibody or antigen-binding fragment thereof of the present invention is administered to a subject.
- a change in the expression level of the marker is a protein marker or immune checkpoint protein marker related to the activity of immune cells (eg, dendritic cells, macrophages, T cells, NKT cells), a tumor microenvironment that affects tumor growth (TME) ) protein markers, changes in the expression pattern of markers related to Th1 response and Th2 response.
- immune cells eg, dendritic cells, macrophages, T cells, NKT cells
- TME tumor microenvironment that affects tumor growth
- the probability of a patient's response to a drug can be predicted or anticancer drugs, including other immune checkpoint inhibitors, that can maximize anticancer effects can be selected.
- the marker it is possible to determine whether or not the patient can be treated with the antibody.
- the effect of drug treatment can be monitored.
- it may provide information for treatment methods including drug dosage, regimen, combination therapy, and the like.
- anti-PD-L1 antibody more Valumab (Imfinzi), anti-PD-1 antibody nivolumab (Opdivo), anti-PD-1 antibody pembrolizumab (Keytruda), anti-CTLA-4 antibody and at least one of anti-CD47 antibody ( ⁇ CD47)
- anti-PD-L1 antibody more Valumab (Imfinzi)
- anti-PD-1 antibody nivolumab Opdivo
- anti-PD-1 antibody pembrolizumab Keytruda
- anti-CTLA-4 antibody anti-CTLA-4 antibody
- ⁇ CD47 anti-CD47 antibody
- the method may further include confirming therapeutic responsiveness of the anti-CD300c antibody or antigen-binding fragment thereof based on the expression level of the identified marker.
- the markers include vegfa, pdgfrb, Col4a1, Hif1a, Bst2, CCL8, Xcl1, CCR7, CD80, Tbx21, Stat1, Stat4, Ifng, Cxcr3, IL-6, Gzma, Icos, Cd69, Cd1d1, Cd38, Cxcr6, Ox40, Gitr , CD27 and CD28, but are not limited thereto.
- the markers are vegfa, pdgfrb, Col4a1, Hif1a, Bst2, CCL8, Xcl1, CCR7, CD80, Tbx21, Stat1, Stat4, Ifng, Cxcr3, IL-6, Gzma, Icos, Cd69, Cd1d1, Cd38 and Cxcr6 It may include one or more selected from the group consisting of.
- the marker may include one or more selected from the group consisting of vegfa, pdgfrb, Col4a1 and Hif1a.
- the marker may include one or more selected from the group consisting of Bst2, CCL8 and Xcl1.
- the marker may include CCR7, CD80 or a combination thereof.
- the marker may include one or more selected from the group consisting of Tbx21, Stat1, Stat4, Ifng, Cxcr3, and IL-6.
- the method is performed when the expression level of one or more of the markers is reduced compared to a subject not receiving the anti-CD300c antibody or antigen-binding fragment thereof. It may further include determining that the treatment responsiveness of the treatment is good or excellent.
- the method may be used when the expression level of one or more markers selected from the group consisting of vegfa, pdgfrb, Col4a1, Hif1a and IL-6 is reduced compared to a subject not receiving an anti-CD300c antibody or antigen-binding fragment thereof, Therapeutic responsiveness of the anti-CD300c antibody or antigen-binding fragment thereof can be determined to be good or excellent.
- the decrease in expression level means a statistically significant decrease
- the expression level decrease rate is about 10% or more, about 20% or more, about 30% or more, about 40% or more, about 50% or more, about 60% or more, about It may include 70% or more, about 100% or more, but is not limited thereto.
- the method further increases the therapeutic responsiveness of the anti-CD300c antibody or antigen-binding fragment thereof when the expression level of one or more of the markers is increased compared to a subject not receiving the anti-CD300c antibody or antigen-binding fragment thereof. It may further include determining that it is good or excellent.
- the method is one selected from the group consisting of Bst2, CCL8, Xcl1, CCR7, CD80, Tbx21, Stat1, Stat4, Ifng, Cxcr3, Gzma, Icos, Cd69, Cd1d1, Cd38, Cxcr6, Ox40, Gitr, Cd27 and Cd28.
- the therapeutic response of the anti-CD300c antibody or antigen-binding fragment thereof can be determined to be good or excellent.
- the increase in expression level means a statistically significant increase, and the expression level increase rate is about 10% or more, about 20% or more, about 30% or more, about 40% or more, about 50% or more, about 60% or more, about It may include 70% or more, about 100% or more, but is not limited thereto.
- a pharmaceutical composition for preventing or treating cancer comprising an anti-CD300c antibody or antigen-binding fragment thereof and one or more additional anticancer agents as active ingredients.
- the anti-CD300c antibody or antigen-binding fragment thereof and the one or more additional anticancer agents may be included in the composition in a prophylactically or therapeutically effective amount.
- the additional anti-cancer agent may include an immuno-cancer agent, a chemo-cancer agent, or a combination thereof.
- the pharmaceutical composition may be administered to a subject to inhibit cancer proliferation, survival, metastasis, recurrence or anticancer drug resistance.
- the anti-CD300c antibody or antigen-binding fragment thereof and the additional anti-cancer agent may be individually formulated and administered simultaneously or sequentially.
- the antibody or antigen-binding fragment thereof and the additional anticancer agent may be included in the same composition or may be included in separate compositions. In another embodiment, the antibody or antigen-binding fragment thereof and the additional anticancer agent may be included in separate compositions.
- the antibody or antigen-binding fragment thereof and/or the additional anti-cancer agent may be mixed with a pharmaceutically acceptable carrier and/or excipient.
- the pharmaceutical composition may be prepared in the form of a lyophilized preparation or an aqueous solution. See, eg, Remington's Pharmaceutical Sciences and U.S. Pharmacopeia: National Formulary, Mack Publishing Company, Easton, PA (1984).
- Acceptable carriers and/or excipients are nontoxic to subjects at the dosages and concentrations employed, and include buffers (eg, phosphate, citrate, or other organic acids); antioxidants (eg ascorbic acid or methionine); Preservatives (eg octadecyldimethylbenzyl ammonium chloride; hexamethonium chloride; benzalkonium chloride, benzethonium chloride; phenol, butyl or benzyl alcohol; alkyl parabens such as methyl or propyl paraben; catechol; resorcinol cyclohesanol; 3-pentanol; and m-cresol); low molecular weight (less than about 10 residues) polypeptides; proteins (eg serum albumin, gelatin, or immunoglobulins); hydrophilic polymers (eg polyvinylpyrrolidone); amino acids (eg glycine, glutamine, asparag
- composition of the present invention may be formulated in a suitable form known in the art depending on the route of administration.
- prophylactically or therapeutically effective amount is an amount of an active ingredient of a composition effective for preventing or treating cancer in a subject, preventing or treating cancer at a reasonable benefit/risk ratio applicable to medical treatment. An amount that is sufficient to treat and does not cause side effects.
- the level of the effective amount is the patient's state of health, type of disease, severity, activity of the drug, sensitivity to the drug, method of administration, time of administration, route of administration and excretion rate, duration of treatment, factors including drugs used in combination or concurrently, and It may be determined according to other factors well known in the medical field. At this time, it is important to administer the amount that can obtain the maximum effect with the minimum amount or without side effects in consideration of all the above factors, which can be easily determined by a person skilled in the art.
- the effective amount of each active ingredient in the pharmaceutical composition of the present invention may vary depending on the age, sex, and weight of the individual (patient), and is generally about 0.01 mg to 100 mg, or 5 mg to about 50 mg per kg body weight. mg may be administered once a day to several divided doses. However, the scope of the present invention is not limited thereto because it may increase or decrease according to the administration route and period, severity of disease, sex, weight, age, etc.
- kits for preventing or treating cancer comprising a first active ingredient, which is an anti-CD300c antibody or antigen-binding fragment thereof, and a second active ingredient, which is the additional anticancer agent, according to the present invention.
- first active ingredient and the second active ingredient may be mixed and formulated and then placed in the same container.
- first active ingredient and the second active ingredient may be formulated separately and then placed in the same container or placed in separate containers, and may be administered simultaneously or sequentially regardless of order at a time interval. .
- the kit may further include instructions including instructions for taking or administering the active ingredients.
- instruments or devices necessary for administering each active ingredient may be included in the kit.
- cancer comprising (i) a composition comprising an anti-CD300c antibody or antigen-binding fragment thereof according to the present invention, and (ii) instructions directing the combined use of said antibody or antigen-binding fragment thereof and one or more additional anti-cancer agents.
- a kit for the prevention or treatment of is provided.
- the composition may contain a prophylactically or therapeutically effective amount of the anti-CD300c antibody or antigen-binding fragment thereof.
- a method for providing information necessary for predicting therapeutic responsiveness of an anti-CD300c antibody or antigen-binding fragment thereof may include determining the expression level of a marker for predicting treatment responsiveness based on a biological sample or data obtained from a subject.
- the markers are Bst2, Cd40, Cd70, Cd86, Ccl8, Xcl1, Ccr7, Cd80, Cd206, Msr1, Arg1, Vegfa, Pdgfrb, Col4a1, Hif1a, Vcam1, Icam1, Gzma, Gzmb, Icos, Cd69, Ifng, Tnf, Cd1d1 , Cd1d2, Cd38, Cxcr6, Xcr1, Tbx21, Stat1, Stat4, Cxcr3, IL-12b, IL-4, IL-6, IL-13, PD-1, PD-L1, CTLA-4, Lag3, Tim3, Ox40 , Gitr, Hvem, CD27, CD28, Cma1, Timd4, Bcl6, Cxcl5, and may include one or more selected from the group consisting of Ccl21a, but is not limited thereto.
- the markers are Bst2, Cd40, Cd70, Cd86, Ccl8, Xcl1, Ccr7, Cd80, Cd206, Msr1, Arg1, Vegfa, Pdgfrb, Col4a1, Hif1a, Vcam1, Icam1, Gzma, Gzmb, Icos, Cd69, Ifng, Tnf, Cd1d1, Cd1d2, Cd38, Cxcr6, Xcr1, Tbx21, Stat1, Stat4, Cxcr3, IL-12b, IL-4, IL-6, IL-13, Pd-1, Pd-l1, Ctla-4, It may include one or more selected from the group consisting of Lag3, Tim3, Ox40, Gitr, Hvem, Cd27, Cd28, Cma1, Timd4, Bcl6, Cxcl5, and Ccl21a.
- the marker is vegfa, pdgfrb, Col4a1, Hif1a, Bst2, CCL8, Xcl1, CCR7, CD80, Tbx21, Stat1, Stat4, Ifng, Cxcr3, IL-6, Gzma, Icos, Cd69, Cd1d1, Cd38, It may include one or more selected from the group consisting of Cxcr6, Ox40, Gitr, Cd27 and Cd28.
- the method can be applied to the anti-CD300c antibody or antigen-binding fragment thereof when the expression level of one or more of the markers is reduced compared to a control, such as a subject not receiving the anti-CD300c antibody or antigen-binding fragment thereof. It may further include determining that the treatment response is good or excellent. In one embodiment, the method comprises comparing the expression level of one or more markers selected from the group consisting of vegfa, pdgfrb, Col4a1, Hif1a and IL-6 to a control, such as a subject not receiving an anti-CD300c antibody or antigen-binding fragment thereof.
- the decrease in expression level means a statistically significant decrease
- the expression level decrease rate is about 10% or more, about 20% or more, about 30% or more, about 40% or more, about 50% or more, about 60% or more, about It may include 70% or more, about 100% or more, but is not limited thereto.
- the method can be applied to the anti-CD300c antibody or antigen-binding fragment thereof when the expression level of one or more of the markers is increased compared to a control, such as a subject not receiving the anti-CD300c antibody or antigen-binding fragment thereof. It may further include determining that the treatment response is good or excellent.
- the method comprises a group consisting of Bst2, CCL8, Xcl1, CCR7, CD80, Tbx21, Stat1, Stat4, Ifng, Cxcr3, Gzma, Icos, Cd69, Cd1d1, Cd38, Cxcr6, Ox40, Gitr, Cd27 and Cd28.
- the therapeutic response of the anti-CD300c antibody or antigen-binding fragment thereof can be determined to be good or excellent.
- the increase in expression level means a statistically significant increase
- the expression level increase rate is about 10% or more, about 20% or more, about 30% or more, about 40% or more, about 50% or more, about 60% or more, about It may include 70% or more, about 100% or more, but is not limited thereto.
- kits containing a material for measuring the expression level of the marker for predicting the therapeutic response of an anti-CD300c antibody or antigen-binding fragment thereof is provided.
- the kit may include one or more other component compositions, solutions or devices suitable for the assay method.
- the kit may be a kit for measuring the expression level of a protein marker, for example, an enzyme-linked immunosorbent assay (ELISA) kit.
- the kit may include other reagents known in the art to be required for immunological detection of antibodies.
- providing information for the prevention or treatment of cancer comprising determining the expression level of the CD300c protein based on a biological sample or data obtained from a subject in need of prevention or treatment of cancer
- a method is provided.
- the method may further include comparing the measured expression level of CD300c protein with a control group (the expression level in normal people without cancer or the average expression level in cancer patients).
- a control group the expression level in normal people without cancer or the average expression level in cancer patients.
- the expression level of the CD300c protein is statistically significantly higher than that of the control group, for example, when it is 1.1-fold or more, 1.2-fold or more, 1.3-fold or more, 1.4-fold or more, or 1.5-fold or more
- the subject is an anti-CD300c antibody or antigen thereof. It can be determined that it is suitable for preventing or treating cancer using the binding fragment.
- the difference in expression level is not limited thereto.
- the information for the prevention or treatment of cancer may include treatment responsiveness of a treatment (eg, an anti-CD300c antibody or antigen-binding fragment thereof) related to the CD300c protein, selection of a treatment, selection of a treatment subject, prognosis of a subject, and subject's It may include information about any one or more of the survival period, but is not limited thereto.
- the information for preventing or treating cancer may include cancer treatment responsiveness of the anti-CD300c antibody or antigen-binding fragment thereof, survival period of the subject, or both.
- kits for measuring the expression level of the CD300c protein using a biological sample obtained from a subject in need of prevention or treatment of cancer
- the kit may include one or more other component compositions, solutions or devices suitable for the assay method.
- the kit may be a kit for measuring the expression level of a protein marker, for example, an enzyme-linked immunosorbent assay (ELISA) kit.
- the kit may include other reagents known in the art to be required for immunological detection of antibodies.
- Example 1.1 Construction of an anti-CD300c monoclonal antibody library
- biopanning was performed using a lambda phage library, a kappa phage library, a VH3VL1 phage library, and an OPALTL phage library.
- CD300c antigen at a concentration of 5 ⁇ g/mL was added to an immunotube, and reacted for 1 hour to adsorb the antigen to the surface of the test tube.
- 3% of skim milk was added to suppress non-specific reactions, and then 10 12 PFU of antibody phage library dispersed in 3% of skim milk was added to each immune test tube to bind to the antigen. .
- TBST tris buffered saline-Tween20
- scFv single-chain variable fragment
- the antibody was eluted using a 100 mM triethylamine solution.
- the eluted phage was neutralized using 1.0 M Tris-HCl buffer solution (pH 7.8), and then treated with E. coli ER2537 and infected for 1 hour at 37 ° C.
- the infected E. coli was then placed on LB agar containing carbenicillin. It was applied to the medium and incubated at 37° C. for 16 hours.
- E. coli colonies were suspended using 3 mL of SB (super broth)-carbenicillin culture medium, some were stored at -80 ° C until use by adding 15% glycerol, and the rest were SB-carbenicillin- It was re-inoculated in 2% glucose solution and incubated at 37°C. The obtained culture medium was centrifuged, and biopanning was repeated three times using the supernatant containing phage particles to secure and concentrate antigen-specific antibodies.
- SB super broth
- E. coli containing the antibody gene was applied to LB agar medium containing carbenicillin and incubated at 37° C. for 16 hours, and the formed E. coli colony was again SB-carbenicillin-2% After re-inoculation in the glucose solution and incubation at 37° C. until the absorbance (OD600 nm) is 0.5, IPTG was added and further incubated at 30° C. for 16 hours. Thereafter, periplasmic extraction was performed, and through the above results, a library pool of antibodies specifically binding to the CD300c antigen was primarily secured.
- ELISA was performed using the library pool obtained in the same manner as in Example 1.1. More specifically, the CD300c antigen and CD300a antigen were dispensed in coating buffer (0.1 M sodium carbonate, pH 9.0) on an ELISA plate at a concentration of 5 ⁇ g/mL per well, respectively, and then reacted at room temperature for 3 hours to detect the antigen. were attached to the plate.
- coating buffer 0.1 M sodium carbonate, pH 9.0
- PBST phosphate buffered saline-Tween20
- BSA bovine serum albumin
- the nucleotide sequence of the selected anti-CD300c monoclonal antibody was confirmed using the same method as in Example 1.2. More specifically, after extracting plasmid DNA from the selected antibody clones using a plasmid miniprep kit, DNA sequencing was performed to analyze complementarity-determining regions (CDRs) sequences. As a result, 25 anti-CD300c monoclonal antibodies having different amino acid sequences were obtained. The heavy and light chain variable regions of these 25 anti-CD300c monoclonal antibodies are shown in Tables 4 and 5 below.
- CDR regions (CDR1, CDR2 and CDR3) are underlined and indicated in order (i.e., CDR1 is indicated first, followed by CDR2, followed by CDR3 ).
- CDR regions included in the heavy chain or light chain variable regions shown in each figure are indicated by SEQ ID NOs as shown in Table 6 below.
- Example 1.4 Construction and purification of anti-CD300c monoclonal antibodies
- an expression vector was prepared by separating the heavy chain and the light chain capable of expressing the antibody. More specifically, using the analyzed CDR sequences, pCIW3.3 vectors were constructed by inserting genes to express heavy and light chains, respectively. The prepared heavy and light chain expression vectors were mixed with PEI (polyethylenimine) at a mass ratio of 1:1, transfected into 293T cells to induce antibody expression, and on the 8th day, the culture medium was centrifuged to remove the cells and obtain the culture medium.
- PEI polyethylenimine
- the obtained culture medium was filtered and then resuspended using a mixture of 0.1 M NaH 2 PO 4 and 0.1 M Na 2 HPO 4 (pH 7.0).
- the resuspended solution was purified by affinity chromatography using protein A beads (GE healthcare), and finally eluted using an elution buffer (Thermofisher).
- cancer cell lines MKN45 human gastric cancer cell line
- IM95 human gastric cancer cell line
- HT-29 human colon cancer cell line
- A549 human lung cancer cell line
- HCT116 human colon cancer cell line
- Cancer cell line MDA-MB-231
- HepG2 human liver cancer cell line
- CD300c antigen was expressed at the mRNA and protein levels in various cancer cells such as colorectal cancer, lung cancer, and breast cancer.
- FIG. 4 as a result of analysis using flow cytometry (FACS), much more CD300c was expressed in the human lung cancer cell line (A549) and the human monocyte cell line (THP-1) compared to the normal cell line (HEK293T). Confirmed.
- tissue microarray was performed as follows. Colon cancer patient tissues were formalin-fixed, and blocks were made with paraffin, and then cut with a microtissue arrayer to a diameter of 2.0 mm and a thickness of 3 to 5 um. Then, it was attached to the slide in a certain direction and dried. After staining the cancer tissue through H&E staining, CD300c was stained by treating with an anti-CD300c antibody (Invitrogen) at 1:500. As a result, as shown in FIG. 5a , it was confirmed that CD300c was expressed in the patient's colon cancer tissue.
- an anti-CD300c antibody Invitrogen
- CD16/32 antibody available from Invitrogen
- staining solution for confirming cell viability available from Invitrogen
- total macrophage markers F4/80 Abcam
- CD11b available from : Abcam
- CD11c obtained by Abcam
- CD3 obtained by Abcam
- CD4 obtained by Thermofisher
- CD8 obtained by Thermofisher
- CD300c antibody obtained by Sino Biological
- immune cells expressing CD300c were present in the mouse tumor tissue. These are immune cells that simultaneously express CD11b and CD11c markers, and examples thereof include dendritic cells and macrophages. From these results, it was confirmed that CD300c was expressed in both cancer tissues and immune cells.
- a tissue microarray was performed as follows. Normal tonsil tissue and colon cancer patient tissue were formalin-fixed, and blocks were made with paraffin. Then, after finding the location where the tissue microarray was to be performed among the normal tonsil tissue and the tissue of the colorectal cancer patient, it was cut into 2.0 mm in diameter and 3 to 5 ⁇ m in thickness using a microtissue arrayer. Then, it was attached to the slide in a certain direction and dried. After staining the cancer tissue through H&E staining, CD300c was stained by treating with an anti-CD300c antibody (Invitrogen) at 1:500.
- an anti-CD300c antibody Invitrogen
- FIGS. 6A and 6B it was confirmed that CD300c was expressed in both normal tonsillar tissue ( FIG. 6a ) and colorectal cancer tissue of the patient ( FIG. 6b ). Since many immune cells, such as T cells and monocytes, are distributed in the tonsil, the expression of CD300c in tonsil tissue means that CD300c is expressed in immune cells.
- the expression of CD300c in tonsil tissue means that CD300c is expressed in immune cells.
- FIGS. 6A and 6B it was confirmed that CD300c was expressed in colorectal cancer patient tissues, but the expression of CD300c was observed in all 4 colorectal cancer patient tissues, and it was confirmed that CD300c was expressed in a plurality of colorectal cancer tissues. It has meaning.
- Binding ELISA was performed to confirm the antigen-binding ability of the anti-CD300c monoclonal antibody prepared in Example 1. Specifically, the CD300c antigen (11832-H08H, Sino Biological) or the CD300a antigen (12449-H08H, Sino Biological) was added to the coating buffer solution (0.1 M sodium carbonate, pH 9.0) at a concentration of 8 ug/mL per well, respectively. ELISA After dispensing on the plate, the antigen was bound to the plate by reacting at room temperature for 3 hours. After washing three times with PBST to remove unbound antigens, 300 ⁇ L of PBST containing 5% BSA (bovine serum albumin) was added to each well and incubated at room temperature for 1 hour.
- BSA bovine serum albumin
- anti-CD300c monoclonal antibody was diluted 4 times and reacted at room temperature for 1 hour to bind to the antigen. After 1 hour, unbound anti-CD300c monoclonal antibody was removed by washing three times with PBST, then 4 ⁇ g/mL of detection antibody (HRP conjugated anti-Fc IgG) was added and reacted again at room temperature for 1 hour.
- EC50 The effective concentration of drug that causes 50% of the maximum response
- the anti-CD300c monoclonal antibody prepared in Example 1 bound to CD300c overexpressed on the surface of THP-1 and 293T cells with strong avidity in the sigmoidal curve according to the results of FACS binding.
- the anti-CD300c monoclonal antibody antigen-specifically binds to CD300c.
- the CD300c antigen (250 ug/mL) was diluted to a concentration of 800 ng/mL in coating buffer (0.1 M sodium carbonate, pH 9.0), put into a 96-well microplate in 100 uL each, and incubated overnight at 4°C. The next day, it was washed 3 times with 200 uL of PBST. Thereafter, 200 uL of blocking buffer solution (5% skim milk) was added, and blocked for 1 hour at room temperature.
- Anti-CD300c monoclonal antibody CL7 was diluted to 200 ug/mL in PBS and measured with a Nanodrop (product name: NanoDrop One/One, manufacturer: Thermo Fisher Scientific) to confirm the concentration.
- the anti-CD300c monoclonal antibody binds to CD300c in a concentration-dependent manner, indicating that the anti-CD300c monoclonal antibody has excellent binding force and specificity for the antigen, CD300c. .
- CD300c was diluted in 10 mM acetate buffer (pH 5.5). After that, the flow rates were all the same at 10 ml/min, and each target RU was set at 300 RU. Activation was performed with a mixture of 0.2 M EDC and 0.05 M NHS and blocked with 1 M ethanolamine to immobilize CD300c to a final RU of 399.2 RU.
- CL7 was diluted in PBSP to concentrations of 0, 0.195, 0.39, 0.78, 1.56, 3.125, and 6.25 ug/ml, respectively, the association time was 240 seconds, the dissociation time was 900 seconds, and the flow rate was 30 ul/min.
- the Kinetics/Affinity test was conducted. Then, the surface was regenerated by flowing 50 mM NaOH at a rate of 30 ul/min for 30 seconds.
- the KD value was analyzed to be 5.199E-10 M, and the binding affinity of the anti-CD300c monoclonal antibody was confirmed to be 0.52 nM, a subnanomol level. This means that the binding ability of the anti-CD300c monoclonal antibody to the antigen is high.
- CD300c antigen CD300a antigen or B7 family protein antigen (PD-L1 [B7-H1] (Sino Biological), ICOS Ligand [B7-H2] ( Sino Biological), CD276[B7-H3](Sino Biological), B7-H4(Sino Biological), CD80[B7-1](Sino Biological), CD86[B7-2](Sino Biological), CD273[PD-L2] ] (Sino Biological)) was coated on the ELISA plate at a concentration of 8 ⁇ g/mL per well, and then incubated overnight at 2° C.
- the anti-CD300c monoclonal antibody did not bind to antigens other than CD300c and showed high binding specificity only to the CD300c antigen.
- mouse macrophages (Raw264.7) were dispensed in a 96-well plate at a concentration of 1 x 10 4 cells/well, 10 ⁇ g/mL of CL7 were co-treated and incubated. Then, the amount of TNF- ⁇ produced was confirmed with an ELISA kit (Human TNF- ⁇ Quantikine kit, R&D Systems). The results are shown in Figure 13.
- the anti-CD300c monoclonal antibody promoted differentiation into M1 macrophages in humans as well. From this, it can be seen that the anti-CD300c monoclonal antibody has cross-reactivity to promote differentiation into M1 macrophages by acting in the same way in humans as well as mice.
- mice 2x10 5 colon cancer cell lines (CT26) were subcutaneously transplanted into 8-week-old BALB/c mice, followed by syngeneic transplantation. A mouse tumor model was constructed. Animal breeding and experiments were all conducted in SPF (specific pathogen free) facilities. Twelve days after transplantation of the colorectal cancer cell line, anti-CD300c monoclonal antibodies were administered to mice having a tumor size of 50 to 100 mm 3 , respectively, and an equal amount of phosphate buffered saline (PBS) was injected as a control.
- PBS phosphate buffered saline
- mice were injected at a dose of 25 mg/kg by intraperitoneal injection twice a week for a total of 4 times for 2 weeks.
- the mice were sacrificed, and tumor tissues were collected from each of 6 mice in the CL7 25 mg/kg administration group, which had the highest antitumor effect compared to the control group.
- After removing the tumor tissue it was incubated for 1 hour at 37°C in a mixed solution of collagenase D (20 mg/ml) and DNase I (2 mg/ml). Thereafter, it was filtered with a 70 ⁇ m cell strainer, red blood cells were lysed, and filtered again with a nylon mesh.
- the single cell suspension was blocked with CD16/32 (available from Invitrogen) antibody, staining solution for confirming cell viability, and antibodies against F4/80, a total macrophage marker, and iNOS, an M1 macrophage marker (available from: Abcam) stained the cells. Data were then read on a CytoFLEX flow cytometer and analyzed with FlowJo software.
- CD16/32 available from Invitrogen
- F4/80 a total macrophage marker
- iNOS an M1 macrophage marker
- an allograft mouse tumor model was prepared and administered at the same concentration as in Experimental Example 3.2.
- the mice were sacrificed, and tumor tissues were collected from each of 6 mice in the CL7 25 mg/kg administration group, which had the highest antitumor effect compared to the control group.
- After removing the tumor tissue it was incubated for 1 hour at 37°C in a mixed solution of collagenase D (20 mg/ml) and DNase I (2 mg/ml). Thereafter, it was filtered with a 70 ⁇ m cell strainer, red blood cells were lysed, and filtered again with a nylon mesh.
- an allograft mouse tumor model was prepared and administered at the same concentration as in Experimental Example 3.2.
- the mice were sacrificed, and tumor tissues were collected from each of 6 mice in the CL7 25 mg/kg administration group, which had the highest antitumor effect compared to the control group.
- After removing the tumor tissue it was incubated for 1 hour at 37°C in a mixed solution of collagenase D (20 mg/ml) and DNase I (2 mg/ml). Thereafter, it was filtered with a 70 ⁇ m cell strainer, red blood cells were lysed, and filtered again with a nylon mesh.
- an allograft mouse tumor model was prepared and administered at the same concentration as in Experimental Example 3.2.
- the mice were sacrificed, and spleens were collected from each of 6 mice in the CL7 25 mg/kg administration group, which had the highest antitumor effect compared to the control group.
- the results were confirmed by measuring IFN-g through the ELISPOT assay.
- a Mouse IFN-g ELISpot kit from R&D Systems (#EL485) was purchased and IFN-g was measured according to the protocol of the kit.
- an allograft mouse tumor model was prepared and administered at the same concentration as in Experimental Example 3.2.
- the mice were sacrificed, and tumor tissues were collected from each of 6 mice in the CL7 25 mg/kg administration group, which had the highest antitumor effect compared to the control group. After removing the tumor tissue, it was incubated for 1 hour at 37°C in a mixed solution of collagenase D (20 mg/ml) and DNase I (2 mg/ml).
- CD8+ T cells increased compared to Treg T cells when treated with the anti-CD300C monoclonal antibody alone. This means that the number of CD8+ T cells increased by administration of the anti-CD300C monoclonal antibody further suppresses cancer growth.
- an allograft mouse tumor model was prepared. Twelve days after transplantation of the colorectal cancer cell line, anti-CD300c monoclonal antibodies were administered to mice having a tumor size of 50 to 100 mm 3 , respectively, and an equal amount of phosphate buffered saline (PBS) was injected as a control. Mice were injected intraperitoneally at a dose of 25 mg/kg twice a week for a total of 4 times for 2 weeks.
- PBS phosphate buffered saline
- mice On the 25th day after injection, the mice were sacrificed, and tumor tissues were collected from each of 6 mice in the CL7 25 mg/kg administration group, which had the highest antitumor effect compared to the control group. After removing the tumor tissue, it was incubated for 1 hour at 37°C in a mixed solution of collagenase D (20 mg/ml) and DNase I (2 mg/ml). Thereafter, it was filtered with a 70 ⁇ m cell strainer, red blood cells were lysed, and filtered again with a nylon mesh.
- CD16/32 obtainer: Invitrogen
- cells were stained with staining solution for confirming cell viability and CD8+ T cell marker CD8+ antibody and CD4+ antibody, or Treg cell marker Cells were stained with Foxp3 antibody and CD4+ antibody, or with antibodies against total macrophage marker F4/80 and M1 macrophage marker iNOS (available from Abcam).
- Data were then read on a CytoFLEX flow cytometer and analyzed with FlowJo software. The results are shown in FIG. 19 .
- anti-CD300c monoclonal antibody (CL7) was found to significantly increase activated CD8+ T cells, inhibit regulatory T cells, and repolarize tumor-associated macrophages towards the M1 phenotype.
- CT26 mouse colon cancer cell line
- the anti-CD300c monoclonal antibody exhibits cancer cell proliferation inhibitory effects of 66% (CL7), 15% (CL10), and 38% (SL18), respectively, compared to the control group, indicating a cancer treatment effect in mice. confirmed that
- an anti-CD300c monoclonal antibody in vivo, a colon cancer cell line (CT26) 2x10 5 was subcutaneously transplanted into 8-week-old BALB/c mice to construct an allograft mouse tumor model. Animal breeding and experiments were all conducted in SPF facilities. On day 11 (D11) after transplantation of the colorectal cancer cell line, 1 mg/kg, 5 mg/kg, 10 mg/kg or 25 mg/kg of anti-CD300c monoclonal antibody were administered to mice with tumor sizes of 50 to 100 mm 3 , respectively. kg, and as a control group, an equal amount of phosphate buffered saline (PBS) was injected.
- PBS phosphate buffered saline
- mice were injected with each dose by intraperitoneal injection twice a week, a total of four times (D11, D14, D18, and D21) for two weeks. Tumor volume was measured for 25 days. The results are shown in FIG. 21 .
- the anti-CD300c monoclonal antibody, CL7 was found to retard CT26 colorectal cancer growth in a dose dependent manner.
- Example 2 Changes in expression of immune cell-related markers and tumor microenvironment-related markers according to administration of anti-CD300c monoclonal antibody
- Example 7 In order to confirm the expression changes of immune cells and tumor microenvironment-related markers when the anti-CD300c monoclonal antibody (CL7) prepared in Example 1 was administered to a solid cancer model, 2x10 5 colon cancer cell lines (CT26) were 8-week-old BALB /c mice were transplanted by subcutaneous injection to construct an allograft mouse tumor model. Animal breeding and experiments were all conducted in SPF facilities. Twelve days after transplantation of the colorectal cancer cell line, anti-CD300c monoclonal antibodies were administered to mice having a tumor size of 50 to 100 mm 3 , respectively, and an equal amount of phosphate buffered saline (PBS) was injected as a control.
- PBS phosphate buffered saline
- mice were injected at a dose of 25 mg/kg by intraperitoneal injection twice a week for a total of 4 times for 2 weeks.
- mice were euthanized and tumor tissues were prepared.
- TME tumor microenvironment
- Th1 response markers Th2 response markers were detected through nanostring immunoprofiling. Confirmed.
- the nanostring immunoprofiling results are shown in FIG. 23 . From this, it was confirmed that administration of the anti-CD300c monoclonal antibody extensively reprograms the tumor immune microenvironment.
- Example 2.1 Based on the nanostring immunoprofiling results obtained in Example 2.1, when the anti-CD300c monoclonal antibody was administered to the allograft mouse tumor model, it was confirmed which immune checkpoint marker expression showed a significant difference compared to the control group.
- Example 3 Combined administration of anti-CD300c monoclonal antibody (CL7) and immunocancer agent
- the anti-CD300c monoclonal antibody (CL7) prepared in Example 1 was used with other immuno-anticancer agents, such as the anti-PD-L1 antibodies Imfinzi® and Opdivo®, the anti-PD-1 antibody The results were observed in combination with Keytruda, an anti-CD47 antibody ( ⁇ CD47), and an anti-CTLA-4 antibody.
- the sources of each of the immune anti-cancer drugs are as follows: Imfinzi (AstraZeneca); Opdivo, anti-CTLA-4 antibody (Bristol Myers Squibb Company), Keytruda (Merck Sharp & Dohme), and anti-CD47 antibody (Abcam).
- the anti-CD300c monoclonal antibody CL7 prepared in Example 1 was used in combination with immunocancer agents such as the anti-PD-L1 antibody Imfinzi, the anti-PD-1 antibody Keytruda, and the anti-CD47 antibody ( ⁇ CD47) in mononuclear cells.
- immunocancer agents such as the anti-PD-L1 antibody Imfinzi, the anti-PD-1 antibody Keytruda, and the anti-CD47 antibody ( ⁇ CD47) in mononuclear cells.
- the cell morphology was observed under a microscope.
- the morphology of THP-1 cells changed from suspension cells to M1 macrophages when treated in combination with anti-CD300c monoclonal antibody. It was confirmed that the cells were changed into circular adherent cells. Through the above results, it was confirmed that the differentiation of mononuclear cells into M1 macrophages was further promoted by the combined treatment of the anti-CD300c monoclonal antibody and the immunocancer agent.
- Anti-CD300c monoclonal antibody CL7, anti-PD-L1 antibody Imfinzi, anti-PD-1 antibody Opdivo, anti-PD-1 antibody Keytruda, anti-CD47 antibody, anti-CTLA-4 antibody
- 1.5x10 4 cells/well of THP-1 were dispensed in a 96-well plate and immunized with an anti-CD300c monoclonal antibody.
- Anticancer drugs were treated alone or in combination at 10 ⁇ g/mL each.
- TNF- ⁇ Tumor necrosis factor- ⁇
- IL-1b Tumor necrosis factor-1b
- IL-8 differentiation markers of M1 macrophages
- FIG. 27 it was confirmed that when the anti-CD300c monoclonal antibody was treated alone, the production of all three differentiation markers increased, and in particular, the production of IL-8 significantly increased.
- FIG. 28 it was confirmed that the production of TNF- ⁇ , a marker of M1 macrophages, was further increased when treated in combination with Keytruda and ⁇ CD47, compared to when the anti-CD300c monoclonal antibody was treated alone. . From this, it was confirmed that mononuclear cells were more differentiated into M1 macrophages when treated in combination with anti-PD-1 antibody and/or anti-CD47 antibody than when treated with anti-CD300c monoclonal antibody alone.
- anti-CD300c monoclonal antibody CL7 When anti-CD300c monoclonal antibody CL7 is treated in combination with anti-cancer agents such as anti-PD-1 antibody, anti-PD-L1 antibody, anti-CTLA-4 antibody, and anti-CD47 antibody, mononuclear cells transform into M1 macrophages. In order to confirm that differentiation is increased, signal transduction of MAPK (mitogen-activated protein kinase), IkB, and NF-kB, which are representative signals of M1 macrophage differentiation, was confirmed.
- MAPK mitogen-activated protein kinase
- IkB mitogen-activated protein kinase
- NF-kB which are representative signals of M1 macrophage differentiation
- Cleaved caspase-9, caspase-3, caspase-2, and caspase-8 were identified as apoptotic signal markers, and cyclin D1, CDK2, p27kip1, CDK6, and cyclin D3 as cell cycle signal markers. , P21 Waf1, Cip1, etc. were identified.
- the apoptosis signal was increased when the anti-CD300c monoclonal antibody was treated in combination with anti-PD-1, Imfinzi, compared to the treatment alone, and the anti-CD300c monoclonal antibody was treated with anti-PD1,
- immunocancer drugs such as anti-PD-L1, anti-CTLA-4, and anti-CD47
- the amounts of cleaved-caspase9 and p21 increased, and cyclin D1 decreased.
- the cancer cell growth inhibitory effect was examined using A549 (human lung cancer cell line) and MDA-MB-231 (human breast cancer cell line). compared. Specifically, 2x10 4 cells (A549) or 3x10 4 cells (MDA-MB-231) were dispensed in a 96-well plate in the absence of fetal bovine serum (FBS), and in the condition of 0.1% fetal bovine serum. 6x10 3 cells (A549) or 1x10 4 cells (MDA-MB-231) were seeded.
- FBS fetal bovine serum
- an anti-CD300c monoclonal antibody in vivo, 2x10 5 of colorectal cancer cell line (CT26) were subcutaneously transplanted into 8-week-old BALB/c mice to construct an allograft mouse tumor model. Animal breeding and experiments were all conducted in SPF facilities. On day 12 (D12) after transplantation of the colorectal cancer cell line, anti-CD300c monoclonal antibody and anti-PD-1 antibody each purchased from BioXcell were administered alone or in combination to mice having a tumor size of 50 to 100 mm 3 , As a control group, an equal amount of phosphate buffered saline (PBS) was injected. A schematic experimental method is shown in FIG. 35 .
- PBS phosphate buffered saline
- mice were injected intraperitoneally with each antibody alone or in combination twice a week, a total of 4 times (D12, D15, D19 and D22) for 2 weeks (CL7: 10 mg/kg; anti-PD- 1 antibody: 10 mg/kg). Tumor volume was measured for 25 days. The results are shown in FIG. 36 .
- mice on day 25 were euthanized in the same manner as in Experimental Example 7.1, and treated with 1% PFA. (para-formaldehyde) was intravascularly injected into the mouse to perfuse it, and cancer tissues were obtained.
- the obtained cancer tissue was fixed using 1% PFA and dehydrated using 10%, 20%, and 30% sucrose solutions sequentially.
- the dehydrated cancer tissue was frozen in an optimal cutting temperature compound (OCT compound), and then the cancer tissue was sliced into 50 ⁇ m thick sections using a cryotome.
- OCT compound optimal cutting temperature compound
- Tissues were incubated in a mixed solution of 20 mg/ml collagenase D and 2 mg/ml DNaseI at 37°C for 1 hour, filtered through a 70 um cell strainer, lysed red blood cells, and then the cells were made into single cells. Filtered again through a nylon mesh to filter. In order to suppress non-specific reactions in the single cell suspension, it was reacted with CD16/32 (obtainer: Invitrogen) antibody for 1 hour, cell viability was confirmed, and tumor infiltrating lymphocyte markers, CD8+ T cells and CD31+ cancer vascular cells were stained.
- CD16/32 obtainer: Invitrogen
- the combination of anti-CD300c monoclonal antibody with anti-PD-1 antibody, anti-PD-L1 antibody, anti-CTLA-4 antibody, or anti-CD47 antibody It was confirmed that CD8+ T cells were increased in the experimental group administered with anti-PD-1 antibody, anti-PD-L1 antibody, anti-CTLA-4 antibody, anti-PD-1 antibody, anti-PD-L1 antibody, anti-CTLA-4 antibody, and When treated in combination with immunocancer drugs such as CD47 antibody, it was confirmed that the tumor-infiltrating lymphocytes were increased in the tumor microenvironment to exhibit anticancer effects.
- cancer tissue sections prepared in the same manner as in Experimental Example 7.2 were stained with antibodies to iNOS, the M1 macrophage marker, and CD206, the M2 macrophage marker. and confirmed by FACS.
- M1 macrophages were partially increased compared to the control group, but in the experimental group treated with the anti-CD300c monoclonal antibody, M1 macrophages were significantly increased, It was confirmed that M2 macrophages were hardly observed. In addition, it was confirmed that M1 macrophages were further increased in the experimental group in which the anti-CD300c monoclonal antibody and the anti-PD-1 antibody were co-administered.
- CD8+ T cells were partially increased compared to the control group, but in the experimental group treated with anti-CD300c monoclonal antibody, CD8+ T cells were significantly increased. did In addition, in the case of the experimental group administered with the anti-CD300c monoclonal antibody and the anti-PD-1 antibody in combination, it was confirmed that CD8+ T cells increased more than the anti-PD-1 alone treatment group. Through the above results, it was confirmed that the anti-CD300c monoclonal antibody more effectively increased the number of CD8+ T cells when used in combination with an existing anti-cancer immune agent.
- Anti-CD300c monoclonal antibody and anti-PD-1, anti-CTLA-4, anti-PD-1, anti-CTLA-4, anti- KIR, anti-LAG3, anti-CD137, anti-OX40, anti-CD276, anti-CD27, anti-GITR, anti-TIM3, anti-41BB, anti-CD226, anti-CD40, anti-CD70, anti-ICOS, Spleens were obtained from mice to which anti-CD40L, anti-BTLA, anti-TCR, anti-TIGIT, and anti-CD47 antibodies were co-administered. As described in Experimental Example 7.2, the obtained spleen was FACS-stained with various markers capable of determining T cell activity and NKT cell activity, and confirmed by MFI.
- the T cell activation markers Gzma, Icos, CD69, and Ifng were increased, and the NKT cell activation markers Cd11, CD38, and cxcr6 were also significantly reduced. confirmed to increase. From this, it was confirmed that T cells and NKT cells were more activated when the anti-CD300c was treated in combination with an anti-cancer agent than when treated alone.
- T cells were extracted from the spleen tissue prepared in the same manner as in Experimental Example 7.2 in order to confirm the change in the pattern of Treg cells that cause an immune suppression response when administered in combination with an immune anti-cancer agent of CD3+ T cells expressing FOXP3 Treg cells. The number of was confirmed by FACS staining.
- anti-CD300c monoclonal antibody More specifically, anti-CD300c monoclonal antibody, anti-PD-1 antibody, anti-CD300c monoclonal antibody + anti-PD-1 antibody (combo), and anti-CD300c monoclonal antibody twice a week for a total of 4 times for 2 weeks.
- Antibody + anti-PD-1 antibody + anti-CTLA-4 antibody (Triple) was injected into each mouse, and as a control, phosphate buffered saline (PBS) was injected in the same amount as the anti-CD300c monoclonal antibody. The size of the cancer was measured for 20 days.
- PBS phosphate buffered saline
- Tumor tissues were collected from 6 mice per group. After removing the tumor tissue, it was incubated for 1 hour at 37°C in a mixed solution of collagenase D (20 mg/ml) and DNase I (2 mg/ml). Thereafter, it was filtered with a 70 ⁇ m cell strainer, red blood cells were lysed, and filtered again with a nylon mesh. Thereafter, the single cell suspension was blocked with CD16/32 (available from Invitrogen) antibody, and the cells were stained with a stain solution for confirming cell viability and CD8+ antibody and CD4+ antibody. Data were then read on a CytoFLEX flow cytometer and analyzed with FlowJo software.
- group D represents the combined use of CL7 and anti-PD-1 antibody
- group T represents the combined use of CL7, anti-PD-1 antibody and anti-CTLA-4 antibody.
- mice tumor model was prepared as described above and each test substance was injected at the same concentration.
- the experimental groups were (i) CL7 administration group, (ii) anti-PD-1 administration group, (iii) CL7 and anti-PD-1 administration group (D group), and (iv) CL7, anti-PD-1 antibody and anti-CTLA4 administration group.
- antibody administration group (T group) was (i) CL7 administration group, (ii) anti-PD-1 administration group, (iii) CL7 and anti-PD-1 administration group (D group), and (iv) CL7, anti-PD-1 antibody and anti-CTLA4 administration group.
- Tumor tissues were collected from 6 mice per group. After removing the tumor tissue, it was incubated for 1 hour at 37°C in a mixed solution of collagenase D (20 mg/ml) and DNase I (2 mg/ml). Thereafter, it was filtered with a 70 ⁇ m cell strainer, red blood cells were lysed, and filtered again with a nylon mesh. Then, the single cell suspension was blocked with CD16/32 (available from Invitrogen) antibody, and the cells were stained with staining solution for confirming cell viability, antibodies to Treg marker proteins CD25 and Foxp3, CD3+ antibody and CD8+ antibody. . Data were then read on a CytoFLEX flow cytometer and analyzed with FlowJo software.
- group D represents the combined use of CL7 and anti-PD-1 antibody
- group T represents the combined use of CL7, anti-PD-1 antibody and anti-CTLA-4 antibody.
- mice A tumor model was prepared and each test substance was injected at the same concentration.
- Tumor tissues were collected from 6 mice per group. After removing the tumor tissue, it was incubated for 1 hour at 37°C in a mixed solution of collagenase D (20 mg/ml) and DNase I (2 mg/ml). Thereafter, it was filtered with a 70 ⁇ m cell strainer, red blood cells were lysed, and filtered again with a nylon mesh. Thereafter, the single cell suspension was blocked with CD16/32 (available from Invitrogen) antibody, and the cells were stained with a dye for confirming cell viability and antibodies against F4/80 and iNOS. Data were then read on a CytoFLEX flow cytometer and analyzed with FlowJo software.
- group D represents the combined use of CL7 and anti-PD-1 antibody
- group T represents the combined use of CL7, anti-PD-1 antibody and anti-CTLA-4 antibody.
- phosphate buffered saline PBS
- mice were injected intraperitoneally with each antibody alone or in combination (CL7: 25 mg/kg; anti-PD-1 antibody: 10 mg/kg; anti-CTLA-1 antibody). 4 antibody: 4 mg/kg), and tumor volume was measured.
- a complete response (CR) of 50% was achieved when the anti-CD300c monoclonal antibody was administered in combination with the anti-PD-1 antibody, and the combination with anti-CTLA-4 antibody was administered in triplicate.
- 70% complete remission (CR) was achieved, it was confirmed that the combined administration resulted in an excellent anticancer effect.
- a colorectal cancer cell line (CT26) 2x10 5 was subcutaneously transplanted into 8-week-old BALB/c mice by subcutaneous injection After producing an allograft mouse tumor model, the experiment was conducted as described in Experimental Example 9 to obtain a mouse in which complete remission occurred.
- the colon cancer cell line (CT26) 2x10 5 was re-transplanted into the mouse thus obtained (Re-challenge), and observed for 30 days.
- mice in which complete remission occurred had increased effector memory upon combined administration of CL7 and anti-PD-1 antibody (Combi) or triple combined administration of anti-CTLA-4 antibody added to it (Triple). It shows that even if additional cancer cells are formed because they have immune memory through T cells, their growth is suppressed.
- Example 4 Combined administration of anti-CD300c monoclonal antibodies (CL10, SL18) and immunocancer drugs
- Anti-CD300c monoclonal antibodies (CL10, SL18) prepared in Example 1 were used in combination with other immunotherapeutic agents, such as anti-PD-L1 antibody Imfinzi and anti-PD-1 antibody Keytruda, and the results were observed did
- the sources of each of the immune anti-cancer drugs are as follows: Imfinzi (AstraZeneca) and Keytruda (Merck Sharp & Dohme).
- the anti-CD300c monoclonal antibody CL10 or SL18 can promote the differentiation from macrophages to M1 macrophages.
- 1x10 4 cells/well of THP-1 cells were seeded in a 96-well plate, followed by 10 ⁇ g/mL of CL10 or SL18 were treated.
- the anti-CD300c monoclonal antibody was treated with 10 ⁇ g/mL of Imfinzi and/or Keytruda.
- TNF- ⁇ increased when THP-1 cells were treated in combination with Imfinzi or Keytruda than when CL10 or SL18 was treated alone.
- the expression level of TNF- ⁇ was the highest when CL10 or SL18 was co-administered with both Imfinzi and Keytruda antibodies at once.
- the cell growth inhibitory effect was compared using A549 (human lung cancer cell line) cells. Specifically, 2x10 4 cells were seeded in a 96-well plate in the absence of FBS, and 6x10 3 cells were seeded in the 0.1% FBS condition. Then, CL10 or SL18 was treated alone or in combination with Imfinzi and/or Keytruda at a concentration of 10 ⁇ g/mL, respectively, and cultured for 5 days.
- the cancer cell proliferation inhibitory effect was more increased when A549 cells were treated in combination with Imfinzi or Keytruda than when CL10 or SL18 was treated alone in 0.1% FBS condition, and CL10 Alternatively, it was confirmed that the cancer cell proliferation inhibitory effect was the best when SL18 was administered in combination with both Imfinzi and Keytruda antibodies at once.
- Example 14 the remaining anti-CD300c monoclonal antibodies prepared in Example 1, including CL10 and SL18, exhibit efficacy through the same mechanism of action as CL7, and, like CL7, Efficacy was increased by co-administration with immune anti-cancer agents.
- sorafenib was dissolved in dimethyl sulfoxide.
- A549 cells were inoculated in a 96-well plate at 20,000 cells per well in 0% FBS medium and 0.1% FBS medium conditions, and then treated with a stepwise dilution of sorafenib from a high concentration of 180 uM to a low concentration of 0.02 uM. and cultured for 5 days.
- 10 ⁇ L of CCK-8 (DOJINDO) was added to each well, reacted for 4 hours, and absorbance was measured at 450 nm. The results are shown in FIG. 50 .
- sorafenib showed a cancer cell growth inhibitory effect in a concentration-dependent manner, and therefore, the optimal treatment concentration for the combined treatment of anti-CD300c and sorafenib was selected as 9 uM in 0% FBS medium conditions.
- the treatment concentration of gemcitabine was primarily selected.
- gemcitabine was dissolved in dimethyl sulfoxide.
- A549 cells were inoculated in a 96-well plate at 20,000 cells per well in 0% FBS medium conditions and 0.1% FBS medium conditions, and then the concentration of gemcitabine was gradually diluted from 450 uM to 0.07 uM. and cultured for 5 days.
- 10 ⁇ L of CCK-8 (DOJINDO) was added to each well, and after reacting for 4 hours, absorbance was measured at 450 nm. The results are shown in FIG. 51 .
- gemcitabine exhibited an inhibitory effect on cancer cell growth in a concentration-dependent manner, and therefore, the optimal treatment concentration for the combined treatment of anti-CD300c and gemcitabine was selected as 1.9 uM in 0% FBS medium.
- paclitaxel was dissolved in tertiary distilled water. A549 cells were seeded in a 96-well plate at 20,000 cells per well in 0% FBS medium conditions and 0.1% FBS medium conditions, and then the concentration of paclitaxel was diluted stepwise from 225 nM to 0.02 nM. Cultured for 5 days. After incubation, 10 ⁇ L of CCK-8 (DOJINDO) was added to each well and reacted for 4 hours, and absorbance was measured at 450 nm. The results are shown in FIG. 52 .
- paclitaxel showed a concentration-dependent inhibitory effect on cancer cell growth, and therefore, the optimal treatment concentration for the combined treatment of anti-CD300c and paclitaxel was selected as 5 nM in 0% FBS medium.
- cell proliferation assay was performed using A549 (human lung cancer cell line). 20,000 cancer cells were seeded in a 96-well plate, treated with 10 ug/ml of anti-CD300c monoclonal antibody and 9 uM of sorafenib, and cultured for 5 days. After incubation, 10 ⁇ L of CCK-8 (DOJINDO) was added to each well and reacted for 4 hours, and absorbance was measured at 450 nm. The results are shown in FIG. 53 .
- cell proliferation assay was performed using A549 (human lung cancer cell line).
- A549 human lung cancer cell line.
- 10 ⁇ L of CCK-8 (DOJINDO) was added to each well, reacted for 4 hours, and absorbance was measured at 450 nm. The results are shown in FIG. 54 .
- cell proliferation assay was performed using A549 (human lung cancer cell line). In the same manner as above, 95 nM of paclitaxel was co-treated and cultured for 5 days. Thereafter, 10 ⁇ L of CCK-8 (DOJINDO) was added to each well, and after reacting for 4 hours, absorbance was measured at 450 nm. The results are shown in FIG. 55 .
- treatment with anti-CD300c monoclonal antibody alone showed 29% and paclitaxel alone treatment showed cancer cell growth inhibition rate of 24%, whereas combined treatment showed a higher cancer cell growth inhibition rate of 39% .
- MKN45 human gastric cancer cell line
- IM95 human gastric cancer cell line
- HT- 29 human colon cancer cell line
- A549 human lung cancer cell line
- HCT116 human colon cancer cell line
- MDA-MB-231 human breast cancer cell line
- HepG2 human liver cancer cell line
- the cultured cells were treated with anti-CD300c monoclonal antibody and chemotherapy for 8 hours, then treated with rapamycin for 48 hours, and the viability of cancer cells was evaluated with annexin V and propidium iodide (I ) was used to confirm by fluorescence analysis.
- the increase in MFI was 17% in the anti-CD300c monoclonal antibody alone treatment group, 21% in the sorafenib alone treatment group, and 60% in the combination treatment group. It was confirmed that the apoptosis resistance ability of cancer cells was significantly suppressed in various cell lines such as cancer, lung cancer, and breast cancer.
- MKN45 human gastric cancer cell line
- IM95 human gastric cancer cell line
- HT-29 human gastric cancer cell line
- A549 human lung cancer cell line
- HCT116 human colorectal cancer cell line
- MDA-MB-231 human breast cancer cell line
- HepG2 human liver cancer cell line
- the cultured cells were treated with anti-CD300c monoclonal antibody and gemcitabine for 8 hours, then treated with rapamycin for 48 hours, and the survival rate of cancer cells was evaluated using annexin V and propidium iodide (IPI). It was confirmed by fluorescence analysis.
- the increase in MFI was 14% for the anti-CD300c monoclonal antibody alone treatment group, 29% for the gemcitabine alone treatment group, and 52% for the combination treatment group. It was confirmed that the apoptosis resistance ability of cancer cells was significantly suppressed in various cell lines such as cancer, lung cancer, and breast cancer.
- MKN45 human gastric cancer cell line
- IM95 human gastric cancer cell line
- HT-29 human colon cancer cell line
- A549 human lung cancer cell line
- HCT116 human colon cancer cell line
- MDA-MB-231 human breast cancer cell line
- HepG2 human liver cancer cell line
- the cultured cells were treated with anti-CD300c monoclonal antibody and paclitaxel for 8 hours, then treated with rapamycin for 48 hours, and the survival rate of cancer cells was measured using annexin V and propidium iodide I (PI). It was confirmed by fluorescence analysis.
- the increase in MFI compared to the hIgG1 isotype control group was 16% in the anti-CD300c monoclonal antibody alone treatment group and 19% in the paclitaxel alone treatment group, whereas it was 49% in the combination treatment group. It was confirmed that the apoptosis resistance ability of cancer cells in various cell lines such as lung cancer and breast cancer was significantly suppressed.
- MKN45 human gastric cancer cell line
- IM95 human gastric cancer cell line
- HT-29 human colorectal cancer cell line
- A549 human lung cancer cell line
- HCT116 human colon cancer cell line
- MDA-MB-231 human breast cancer cell line
- HepG2 human liver cancer cell line
- MKN45, IM95 human gastric cancer cell line
- HT-29 human colon cancer cell line
- A549 human lung cancer cell line
- HCT116 human colon cancer cell line
- MDA-MB-231 human breast cancer cell line
- HepG2 human liver cancer cell line
- MKN45 human gastric cancer cell line
- IM95 human gastric cancer cell line
- HT-29 human colorectal cancer cell line
- A549 human lung cancer cell line
- HCT116 human colon cancer cell line
- MDA-MB-231 human breast cancer cell line
- HepG2 human liver cancer cell line
- MKN45 human gastric cancer cell line
- IM95 human gastric cancer cell line
- HT-29 human colon cancer cell line
- A549 human lung cancer cell line
- HCT116 human colon cancer cell line
- MDA-MB-231 human breast cancer cell line
- HepG2 human liver cancer cell line
- CT26 mouse colon cancer cell line 1x10 6 is subcutaneously administered to a humanized mouse model (huCD34-NSG mouse) A xenogeneic human solid cancer model was constructed.
- Anti-CD300c monoclonal antibody 25 mg/kg single administration group from 3 days after cancer cell administration, 10 mg/kg each of chemo-cancer drugs sorafenib, gemcitabine, and paclitaxel administration group, anti-CD300c monoclonal antibody and each chemo-cancer drug combination administration group, and non-administration group, intraperitoneal administration of anti-CD300c monoclonal antibody and each chemotherapeutic agent twice a week, alone or in combination, for a total of 4 times. The therapeutic effect and the effect of combined administration with existing chemotherapy were confirmed.
- the tumor suppression rate was 26%, in the case of the chemotherapy alone administration group, sorafenib 22%, gemcitabine 25%, and paclitaxel 21%, respectively. It showed high tumor suppression rates of 50%, 52%, and 61%, confirming excellent cancer cell killing ability by combined administration. The result was confirmed to have a p-value of 0.05 or less through One-way ANOVA analysis, which indicates that the reduction in tumor size of each combination treatment group compared to the single treatment group was significant.
- the anti-CD300c monoclonal antibody of the present invention exhibits an advantageous effect when used in combination with each of sorafenib, gemcitabine, and paclitaxel, each of which is an anticancer drug. That is, it was confirmed both in vitro and in vivo that the combined treatment of each anti-CD300c monoclonal antibody or each of the chemo-cancer drugs could effectively inhibit the growth, proliferation and metastasis of cancer cells, rather than the single treatment. When combined with chemotherapy, the therapeutic effect of the anti-CD300c monoclonal antibody is further enhanced, indicating that it can be effectively used for anticancer immunotherapy of various cancers expressing the CD300c antigen.
- the results obtained through the experiment were analyzed for comparison between experimental groups using a one-way ANOVA followed by a Bonferroni post hoc test, and the difference between the groups was significant when the p value was 0.05 or less.
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Abstract
Description
| 원래 잔기 | 예시적 치환 | 바람직한 치환 |
| Ala(A) | Val;Leu; Ile | Val |
| Arg(R) | Lys; Gln; Asn | Lys |
| Asn(N) | Gln; His; Asp; Lys; Arg | Gln |
| Asp(D) | Glu; Asn | Glu |
| Cys(C) | Ser; Ala | Ser |
| Gln(Q) | Asn; Glu | Asn |
| Glu(E) | Asp; Gln | Asp |
| Gly(G) | Ala | Ala |
| His(H) | Asn; Gln; Lys; Arg | Arg |
| Ile(I) | Leu; Val; Met; Ala; Phe; Norleucine | Leu |
| Leu(L) | Norleucine; Ile; Val; Met; Ala; Phe | Ile |
| Lys(K) | Arg; Gln; Asn | Arg |
| Met(M) | Leu; Phe; Ile | Ile |
| Phe(F) | Trp; Leu; Val; Ile; Ala; Tyr | Tyr |
| Pro(P) | Ala | Ala |
| Ser(S) | Thr | Thr |
| Thr(T) | Val; Ser | Ser |
| Trp(W) | Tyr; Phe | Tyr |
| Tyr(Y) | Trp; Phe; Thr; Ser | Phe |
| Val(V) | Ile; Leu; Met; Phe; Ala; 노르류신(Norleucine) | Leu |
| 항암제 | 작용 기전(MoA) |
| 독소루비신 | 미세소관 조립 억제제 |
| 파클리탁셀 | |
| 도세탁셀 | |
| 빈블라스틴 | |
| 빈크리스틴 | |
| 비노렐빈 | |
| 에스트라무스틴 포스페이트(EMP) | |
| NAB-파클리탁셀(아브락산) | |
| 독소루비신 | DNA 인터칼레이터(intercalator) 또는 복제 억제제 |
| 시클로포스파미드 | |
| 에피루비신 | |
| 5-플루오로우라실 | |
| 에토포사이드 | |
| 이포스파미드 | |
| 젬시타빈 | |
| 데옥시아데노신 | |
| 클라드리빈 | |
| 클로파라빈 | |
| 플루다라빈 | |
| 펜토스타틴 | |
| 데옥시시티딘 | |
| 시토신 아라비노사이드(ara-C) | |
| 5-아자-2'-데옥시시티딘(데시타빈) | |
| 테자시타빈 | |
| 카페시타빈 | |
| 시타라빈 | |
| 메토트렉세이트 | |
| 페메트렉세드 | |
| 메르캅토퓨린 | |
| 닥티노마이신 | |
| 다우노루비신 | |
| 미토마이신 | |
| 블레오마이신 | |
| 이다루비신 | |
| 미톡산트론 HCL | |
| 메클로레타민 | |
| 멜팔란 | |
| 클로람부실 | |
| 티오테파 | |
| 알트레타민 | |
| 프로카바진 | |
| 부설판 | |
| 스트렙토조토신 | |
| 카르무스틴 | |
| 로무스틴 | |
| 다카르바진(DTI) | |
| 클로람부실 | |
| 토포테칸 | |
| 이리노테칸 | |
| 테모졸로마이드 | |
| 시스플라틴 | |
| 카보플라틴 | |
| 옥살리플라틴 | |
| 소라페닙 | 멀티키나제 억제제 또는 혈관형성 억제제 |
| 레고라페닙 | |
| 바탈라닙 | |
| 악시티닙 | |
| 마시티닙 | |
| 파조파닙 | |
| 수니티닙 | |
| 토세라닙 | |
| 세디라닙 | |
| 렌바티닙 | |
| 닌테다닙 | |
| 세막사닙 | |
| 티보자닙 | |
| 반데타닙 | |
| 레블리미드(레날리도마이드) |
| 순번 | 명칭 | 완전한 명칭 | 간략한 설명 |
| 1 | Bst2 | bone marrow stromal antigen 2 | 테더린(Tetherin) 또는 CD137로도 알려져 있으며, BST2 유전자에 의해 인코딩되는 지질 래프트(lipid raft) 관련 단백질임. |
| 2 | CD40 | Cluster of differentiation 40 | 항원 제시 세포에서 발견되는 보조자극 단백질이며, 그의 활성화에 필요함. TH 세포 상의 CD154(CD40L)의 CD40에 대한 결합은 항원 제시 세포를 활성화하고 다양한 다운스트림 효과를 유도함. |
| 3 | CD70 | Cluster of differentiation 70 | 인간에서 CD70 유전자에 의해 인코딩되는 단백질임. CD70은 CD27의 리간드임. |
| 4 | CD86 | Cluster of differentiation 86 | B7-2로 알려져 있으며, 수지상 세포, 랑게르한스 세포, 마크로파지, B 세포(기억 B 세포를 포함함), 및 기타 항원 제시 세포에서 항시적으로 발현되는 단백질임. |
| 5 | Ccl8 | Chemokine (C-C motif) ligand 8 | MCP2(monocyte chemoattractant protein 2)로 알려져 있으며, 인간에서 CCL8 유전자에 의해 인코딩되는 단백질임. |
| 6 | Xcl1 | X-C Motif Chemokine Ligand 1 | 림포탁틴으로도 알려진 C 케모카인 패밀리에 속하는 작은 사이토카인임. |
| 7 | Ccr7 | C-C chemokine receptor type 7 | 인간에서 CCR7 유전자에 의해 인코딩되는 단백질임. 이 수용체에 대해 다음과 같은 2개의 리간드가 확인되었음: 케모카인 (C-C 모티프) 리간드 19(CCL19/ELC) 및 (C-C 모티프) 리간드 21(CCL21). |
| 8 | CD80 | Cluster of differentiation 80 | 세포외 면역글로불린 불변 유사 도메인 및 수용체 결합에 필요한 가변 유사 도메인을 갖는, 면역글로불린 수퍼패밀리에 속하는 B7 I형 막 단백질임. 이는 또 다른 B7 단백질(B7-2)인 CD86과 밀접한 관련이 있으며, 종종 탠덤(tandem) 상태로 작용하여 동일한 수용체에 결합함으로써 T 세포를 프라이밍함. |
| 9 | CD206 | Cluster of differentiation 206 | 만노스 수용체로 알려져 있으며, 주로 마크로파지, 미성숙 수지상 세포 및 간 동모양(sinusoidal) 내피 세포의 표면에 존재하는 C-타입 렉틴이지만, 인간 피부 섬유아세포 및 각질세포와 같은 피부 세포의 표면에서도 발현됨. |
| 10 | Msr1 | Macrophage scavenger receptor 1 | 인간에서 MSR1 유전자에 의해 인코딩되는 단백질임. MSR1은 또한 CD204(cluster of differentiation 204)로도 명명됨. |
| 11 | Arg1 | Arginase 1 | 인간 ARG1 유전자는 단백질 아르기나제를 인코딩함. |
| 12 | Vegfa | Vascular endothelial growth factor A | 인간에서 VEGFA 유전자에 의해 인코딩되는 단백질임. |
| 13 | Pdgfrb | Platelet-derived growth factor receptor beta | 인간에서 PDGFRB 유전자에 의해 인코딩되는 단백질임. |
| 14 | Col4a1 | Collagen, type IV, alpha 1 | 인간에서 13번 염색체 상의 COL4A1 유전자에 의해 인코딩되는 단백질임. |
| 15 | Hif1a | Hypoxia-inducible factor 1-alpha | HIF-1-알파로 알려져 있으며, HIF1A 유전자에 의해 인코딩되는 HIF-1(heterodimeric transcription factor hypoxia-inducible factor 1)의 서브유닛임. |
| 16 | Vcam1 | Vascular cell adhesion protein 1 | VCAM-1(vascular cell adhesion molecule 1) 또는 CD106(cluster of differentiation 106)으로 알려져 있으며, 인간에서 VCAM1 유전자에 의해 인코딩되는 단백질임. |
| 17 | Icam1 | Intercellular Adhesion Molecule 1 | CD54(Cluster of Differentiation 54)로 알려져있으며, 인간에서 ICAM1 유전자에 의해 인코딩되는 단백질임. |
| 18 | Gzma | Granzyme A | Gzma 유전자에 의해 인코딩되는 단백질인 그랜자임 A는 세포독성 T 림프구 과립에 존재함. |
| 19 | Gzmb | Granzyme B | Gzmb 유전자에 의해 인코딩되는 단백질인 그랜자임 B는 세포독성 T 림프구 및 자연 살해(NK) 세포에 의해 발현됨. |
| 20 | Icos | Inducible T-cell COStimulator | 인간에서 ICOS 유전자에 의해 인코딩되는 면역 관문 단백질임. |
| 21 | Cd69 | Cluster of Differentiation 69 | Cd69 유전자에 의해 인코딩되는 인간 트랜스멤브레인 C-타입 렉틴 단백질로서, 조혈 줄기 세포, T 세포 등에서 발현되는 초기 활성화 마커임. |
| 22 | Ifng | Interferon gamma | 타입 II 인터페론 부류의 유일한 구성원인 이량체화 가용성 사이토카인임. |
| 23 | Tnf | Tumor Necrosis Factor | Tnf 유전자에 의해 인코딩되며, 종양 괴사 인자(TNF) 수퍼패밀리에 속하는 다기능성 전염증 사이토카인으로서 주로 마크로파지에 의해 분비됨. |
| 24 | Cd1d1 | CD1d1 antigen | T 세포 수용체 결합 활성 및 내인성 지질 항원 결합 활성을 가능하게 함. 자연 살해 T(NKT) 세포 분화 및 미성숙 T 세포 증식의 조절에 관여함. |
| 25 | Cd1d2 | CD1d2 antigen | T 세포로의 지질 항원의 제시에 관여하는 MHC 클래스 I-유사 분자를 인코딩하며, 자연 살해 T 세포의 활성화에 관여함. |
| 26 | Cd38 | Cluster of Differentiation 38 | CD4+, CD8+, B 림프구 및 자연 살해 세포를 비롯한 많은 면역 세포(백혈구 세포)의 표면에서 발견되는 당단백질임. |
| 27 | Cxcr6 | C-X-C chemokine receptor type 6 | CD186로도 일컬어지며, 표적 세포로 진입하기 위해 CD4와 함께 HIV-1 및 SIV에 의해 사용되는 진입 보조수용체로 확인되었음. |
| 28 | Xcr1 | X-C motif chemokine receptor 1 | G 단백질-결합 수용체 수퍼패밀리에 속하는 케모카인 수용체임. |
| 29 | Tbx21 | T-box transcription factor TBX21 | T-bet (T-box expressed in T cells)로도 일컬어지며, 인간에서 TBX21 유전자에 의해 인코딩되는 단백질임. |
| 30 | Stat1 | Signal transducer and activator of transcription 1 | 인간에서 STAT1 유전자에 의해 인코딩되는 전사 인자임. 이는 STAT 단백질 패밀리의 구성원임. |
| 31 | Stat4 | Signal transducer and activator of transcription 4 | STAT 단백질 패밀리에 속하는 전사 인자임. |
| 32 | Cxcr3 | C-X-C Motif Chemokine Receptor 3 | CXC 케모카인 수용체 패밀리의 Gαi 단백질 결합 수용체임. |
| 33 | IL-12b | Subunit beta of interleukin 12 | 자연 살해 세포 자극 인자 2, 세포 독성 림프구 성숙 인자 p40 또는 인터루킨-12 서브유닛 p40으로 알려져 있으며, 인간에서 IL12B 유전자에 의해 인코딩되는 단백질임. |
| 34 | IL4 | Interleukin 4 | 미경험(naive) 헬퍼 T 세포(Th0 세포)의 Th2 세포로의 분화를 유도하는 사이토카인임. IL-4에 의해 활성화되면, Th2 세포는 후속하여 양성 피드백 루프에서 추가 IL-4를 생성함. |
| 35 | IL6 | Interleukin 6 | 전염증성 사이토카인 및 항염증성 마이오카인 둘 모두로 작용하는 인터루킨임. 인간에서, 이는 IL6 유전자에 의해 인코딩됨. |
| 36 | IL13 | Interleukin 13 | 인간에서 IL13 유전자에 의해 인코딩되는 단백질임. |
| 37 | PD-1 | Programmed cell death protein 1 | CD279(분화 클러스터 279)로 알려져 있으며, T 세포 염증 활성을 억제하여 면역계를 하향 조절하고 자기-관용을 촉진함으로써 인체 세포에 대한 면역계의 반응을 조절하는 역할을 하는 단백질임. 이는 자가면역 질환을 방지하지만, 또한 면역계가 암세포를 죽이지 못하게 할 수 있음. |
| 38 | PD-L1 | Programmed death-ligand 1 | CD274(cluster of differentiation 274) 또는 B7-H1(B7 homolog 1)로 알려져 있으며, 인간에서 CD274 유전자에 의해 인코딩되는 단백질임. |
| 39 | CTLA-4 | cytotoxic T-lymphocyte-associated protein 4 | CD152(분화 클러스터 152)로 알려져 있으며, 면역 관문으로 기능하고 면역 반응을 하향 조절하는 단백질 수용체임. |
| 40 | Lag3 | Lymphocyte-activation gene 3 | 인간에서 LAG3 유전자에 의해 인코딩되는 단백질임. |
| 41 | Tim3 | immunoglobulin and mucin-domain containing-3 | HAVCR2(Hepatitis A virus cellular receptor 2)로도 알려져 있으며, 인간에서 HAVCR2 유전자에 의해 인코딩되는 단백질임. |
| 42 | Ox40 | (CD134, TNFRSF4) | CD28과는 달리, 휴지 상태의 미경험 T 세포에서 항시적으로 발현되지 않는 TNFR 수용체 수퍼패밀리의 구성원임. |
| 43 | Gitr | glucocorticoid-induced tumor necrosis factor receptor | 인간에서 TNFRSF18 유전자에 의해 인코딩되는 단백질임. |
| 44 | Hvem | Herpesvirus entry mediator | TNF 수용체 수퍼패밀리의 인간 세포 표면 수용체임. |
| 45 | CD27 | Cluster of differentiation 27 | 종양 괴사 인자 수용체 수퍼 패밀리의 구성원임. |
| 46 | CD28 | Cluster of differentiation 28 | T 세포 활성화 및 생존에 필요한 보조자극 신호를 제공하는 T 세포에서 발현되는 단백질들 중 하나임. |
| 47 | Cma1 | Chymase 1 | 인간에서 CMA1 유전자에 의해 인코딩되는 효소임. |
| 48 | Timd4 | T-cell immunoglobulin and mucin domain containing 4 | TIM-4(T-cell membrane protein 4)로 알려져 있으며, 인간에서 TIMD4 유전자에 의해 인코딩되는 단백질임. |
| 49 | Bcl6 | B-cell lymphoma 6 protein | 인간에서 BCL6 유전자에 의해 인코딩되는 단백질임. BCL2, BCL3, BCL5, BCL7A, BCL9 및 BCL10과 마찬가지로, 림프종에서 임상적 의의를 가짐. |
| 50 | Cxcl5 | C-X-C Motif Chemokine Ligand 5 | 인간에서 CXCL5 유전자에 의해 인코딩되는 단백질임. |
| 51 | Ccl21a | Chemokine (C-C motif) ligand 21 | CC 케모카인 패밀리에 속하는 작은 사이토 카인임. |
| 항체 명칭 | 기원(파지 라이브러리) | 중쇄 가변 영역(핵산) | 경쇄 가변 영역(핵산) | 중쇄 가변 영역(아미노산) | 경쇄 가변 영역(아미노산) |
| CK1 | 카파 | 도 1aa(서열번호 301) | 도 1ab (서열번호 302) |
도 1ac (서열번호 303) |
도 1ad (서열번호 304) |
| CK2 | 카파 | 도 1ba(서열번호 305) | 도 1bb (서열번호 306) |
도 1bc (서열번호 307) |
도 1bd (서열번호 308) |
| CK3 | 카파 | 도 1ca(서열번호 309) | 도 1cb (서열번호 310) |
도 1cc (서열번호 311) |
도 1cd (서열번호 312) |
| CL4 | 람다 | 도 1da(서열번호 313) | 도 1db (서열번호 314) |
도 1dc (서열번호 315) |
도 1dd (서열번호 316) |
| CL5 | 람다 | 도 1ea(서열번호 317) | 도 1eb (서열번호 318) |
도 1ec (서열번호 319) |
도 1ed (서열번호 320) |
| CL6 | VH3VL1 | 도 1fa(서열번호 321) | 도 1fb (서열번호 322) |
도 1fc (서열번호 323) |
도 1fd (서열번호 324) |
| CL7 | VH3VL1 | 도 1ga(서열번호 325) | 도 1gb (서열번호 326) |
도 1gc (서열번호 327) |
도 1gd (서열번호 328) |
| CL8 | VH3VL1 | 도 1ha(서열번호 329) | 도 1hb (서열번호 330) |
도 1hc (서열번호 331) |
도 1hd (서열번호 332) |
| CL9 | VH3VL1 | 도 1ia(서열번호 333) | 도 1ib (서열번호 334) |
도 1ic (서열번호 335) |
도 1id (서열번호 336) |
| CL10 | VH3VL1 | 도 1ja(서열번호 337) | 도 1jb (서열번호 338) |
도 1jc (서열번호 339) |
도 1jd (서열번호 340) |
| SK11 | 카파 | 도 1ka(서열번호 341) | 도 1kb (서열번호 342) |
도 1kc (서열번호 343) |
도 1kd (서열번호 344) |
| SK12 | 카파 | 도 1la(서열번호 345) | 도 1lb (서열번호 346) |
도 1lc (서열번호 347) |
도 1ld (서열번호 348) |
| SK13 | 카파 | 도 1ma(서열번호 349) | 도 1mb (서열번호 350) |
도 1mc (서열번호 351) |
도 1md (서열번호 352) |
| SK14 | 카파 | 도 1na(서열번호 353) | 도 1nb (서열번호 354) |
도 1nc (서열번호 355) |
도 1nd (서열번호 356) |
| SK15 | 카파 | 도 1oa(서열번호 357) | 도 1ob (서열번호 358) |
도 1oc (서열번호 359) |
도 1od (서열번호 360) |
| SK16 | 카파 | 도 1pa(서열번호 361) | 도 1pb (서열번호 362) |
도 1pc (서열번호 363) |
도 1pd (서열번호 364) |
| SK17 | 카파 | 도 1qa(서열번호 365) | 도 1qb (서열번호 366) |
도 1qc (서열번호 367) |
도 1qd (서열번호 368) |
| 항체 명칭 | 기원(파지 라이브러리) | 중쇄 가변 영역(핵산) | 경쇄 가변 영역(핵산) | 중쇄 가변 영역(아미노산) | 경쇄 가변 영역(아미노산) |
| SL18 | 람다 | 도 1ra(서열번호 369) | 도 1rb (서열번호 370) |
도 1rc (서열번호 371) |
도 1rd (서열번호 372) |
| CB301_H3L1_A10 | VH3VL1 | 도 1sa(서열번호 373) | 도 1sb (서열번호 374) |
도 1sc (서열번호 375) |
도 1sd (서열번호 376) |
| CB301_H3L1_A12 | VH3VL1 | 도 1ta(서열번호 377) | 도 1tb (서열번호 378) |
도 1tc (서열번호 379) |
도 1td (서열번호 380) |
| CB301_H3L1_E6 | VH3VL1 | 도 1ua(서열번호 381) | 도 1ub (서열번호 382) |
도 1uc (서열번호 383) |
도 1ud (서열번호 384) |
| CB301_H3L1_F4 | VH3VL1 | 도 1va(서열번호 385) | 도 1vb (서열번호 386) |
도 1vc (서열번호 387) |
도 1vd (서열번호 388) |
| CB301_H3L1_G11 | VH3VL1 | 도 1wa(서열번호 389) | 도 1wb (서열번호 390) |
도 1wc (서열번호 391) |
도 1wd (서열번호 392) |
| CB301_OPALTL_B5 | OPALTL | 도 1xa(서열번호 393) | 도 1xb (서열번호 394) |
도 1xc (서열번호 395) |
도 1xd (서열번호 396) |
| CB301_OPALTL_E6 | OPALTL | 도 1ya(서열번호 397) | 도 1yb (서열번호 398) |
도 1yc (서열번호 399) |
도 1yd (서열번호 400) |
| 항체 | 중쇄/경쇄 | 아미노산/핵산 | CDR1 | CDR2 | CDR3 | |
| 도 1aa | CK1 | 중쇄 | 핵산 | 서열번호 1 | 서열번호 2 | 서열번호 3 |
| 도 1ab | 경쇄 | 핵산 | 서열번호 4 | 서열번호 5 | 서열번호 6 | |
| 도 1ac | 중쇄 | 아미노산 | 서열번호 7 | 서열번호 8 | 서열번호 9 | |
| 도 1ad | 경쇄 | 아미노산 | 서열번호 10 | 서열번호 11 | 서열번호 12 | |
| 도 1ba | CK2 | 중쇄 | 핵산 | 서열번호 13 | 서열번호 14 | 서열번호 15 |
| 도 1bb | 경쇄 | 핵산 | 서열번호 16 | 서열번호 17 | 서열번호 18 | |
| 도 1bc | 중쇄 | 아미노산 | 서열번호 19 | 서열번호 20 | 서열번호 21 | |
| 도 1bd | 경쇄 | 아미노산 | 서열번호 22 | 서열번호 23 | 서열번호 24 | |
| 도 1ca | CK3 | 중쇄 | 핵산 | 서열번호 25 | 서열번호 26 | 서열번호 27 |
| 도 1cb | 경쇄 | 핵산 | 서열번호 28 | 서열번호 29 | 서열번호 30 | |
| 도 1cc | 중쇄 | 아미노산 | 서열번호 31 | 서열번호 32 | 서열번호 33 | |
| 도 1cd | 경쇄 | 아미노산 | 서열번호 34 | 서열번호 35 | 서열번호 36 | |
| 도 1da | CL4 | 중쇄 | 핵산 | 서열번호 37 | 서열번호 38 | 서열번호 39 |
| 도 1db | 경쇄 | 핵산 | 서열번호 40 | 서열번호 41 | 서열번호 42 | |
| 도 1dc | 중쇄 | 아미노산 | 서열번호 43 | 서열번호 44 | 서열번호 45 | |
| 도 1dd | 경쇄 | 아미노산 | 서열번호 46 | 서열번호 47 | 서열번호 48 | |
| 도 1ea | CL5 | 중쇄 | 핵산 | 서열번호 49 | 서열번호 50 | 서열번호 51 |
| 도 1eb | 경쇄 | 핵산 | 서열번호 52 | 서열번호 53 | 서열번호 54 | |
| 도 1ec | 중쇄 | 아미노산 | 서열번호 55 | 서열번호 56 | 서열번호 57 | |
| 도 1ed | 경쇄 | 아미노산 | 서열번호 58 | 서열번호 59 | 서열번호 60 | |
| 도 1fa | CL6 | 중쇄 | 핵산 | 서열번호 61 | 서열번호 62 | 서열번호 63 |
| 도 1fb | 경쇄 | 핵산 | 서열번호 64 | 서열번호 65 | 서열번호 66 | |
| 도 1fc | 중쇄 | 아미노산 | 서열번호 67 | 서열번호 68 | 서열번호 69 | |
| 도 1fd | 경쇄 | 아미노산 | 서열번호 70 | 서열번호 71 | 서열번호 72 | |
| 도 1ga | CL7 | 중쇄 | 핵산 | 서열번호 73 | 서열번호 74 | 서열번호 75 |
| 도 1gb | 경쇄 | 핵산 | 서열번호 76 | 서열번호 77 | 서열번호 78 | |
| 도 1gc | 중쇄 | 아미노산 | 서열번호 79 | 서열번호 80 | 서열번호 81 | |
| 도 1gd | 경쇄 | 아미노산 | 서열번호 82 | 서열번호 83 | 서열번호 84 | |
| 도 1ha | CL8 | 중쇄 | 핵산 | 서열번호 85 | 서열번호 86 | 서열번호 87 |
| 도 1hb | 경쇄 | 핵산 | 서열번호 88 | 서열번호 89 | 서열번호 90 | |
| 도 1hc | 중쇄 | 아미노산 | 서열번호 91 | 서열번호 92 | 서열번호 93 | |
| 도 1hd | 경쇄 | 아미노산 | 서열번호 94 | 서열번호 95 | 서열번호 96 | |
| 도 1ia | CL9 | 중쇄 | 핵산 | 서열번호 97 | 서열번호 98 | 서열번호 99 |
| 도 1ib | 경쇄 | 핵산 | 서열번호 100 | 서열번호 101 | 서열번호 102 | |
| 도 1ic | 중쇄 | 아미노산 | 서열번호 103 | 서열번호 104 | 서열번호 105 | |
| 도 1id | 경쇄 | 아미노산 | 서열번호 106 | 서열번호 107 | 서열번호 108 | |
| 도 1ja | CL10 | 중쇄 | 핵산 | 서열번호 109 | 서열번호 110 | 서열번호 111 |
| 도 1jb | 경쇄 | 핵산 | 서열번호 112 | 서열번호 113 | 서열번호 114 | |
| 도 1jc | 중쇄 | 아미노산 | 서열번호 115 | 서열번호 116 | 서열번호 117 | |
| 도 1jd | 경쇄 | 아미노산 | 서열번호 118 | 서열번호 119 | 서열번호 120 | |
| 도 1ka | SK11 | 중쇄 | 핵산 | 서열번호 121 | 서열번호 122 | 서열번호 123 |
| 도 1kb | 경쇄 | 핵산 | 서열번호 124 | 서열번호 125 | 서열번호 126 | |
| 도 1kc | 중쇄 | 아미노산 | 서열번호 127 | 서열번호 128 | 서열번호 129 | |
| 도 1kd | 경쇄 | 아미노산 | 서열번호 130 | 서열번호 131 | 서열번호 132 | |
| 도 1la | SK12 | 중쇄 | 핵산 | 서열번호 133 | 서열번호 134 | 서열번호 135 |
| 도 1lb | 경쇄 | 핵산 | 서열번호 136 | 서열번호 137 | 서열번호 138 | |
| 도 1lc | 중쇄 | 아미노산 | 서열번호 139 | 서열번호 140 | 서열번호 141 | |
| 도 1ld | 경쇄 | 아미노산 | 서열번호 142 | 서열번호 143 | 서열번호 144 | |
| 도 1ma | SK13 | 중쇄 | 핵산 | 서열번호 145 | 서열번호 146 | 서열번호 147 |
| 도 1mb | 경쇄 | 핵산 | 서열번호 148 | 서열번호 149 | 서열번호 150 | |
| 도 1mc | 중쇄 | 아미노산 | 서열번호 151 | 서열번호 152 | 서열번호 153 | |
| 도 1md | 경쇄 | 아미노산 | 서열번호 154 | 서열번호 155 | 서열번호 156 | |
| 도 1na | SK14 | 중쇄 | 핵산 | 서열번호 157 | 서열번호 158 | 서열번호 159 |
| 도 1nb | 경쇄 | 핵산 | 서열번호 160 | 서열번호 161 | 서열번호 162 | |
| 도 1nc | 중쇄 | 아미노산 | 서열번호 163 | 서열번호 164 | 서열번호 165 | |
| 도 1nd | 경쇄 | 아미노산 | 서열번호 166 | 서열번호 167 | 서열번호 168 | |
| 도 1oa | SK15 | 중쇄 | 핵산 | 서열번호 169 | 서열번호 170 | 서열번호 171 |
| 도 1ob | 경쇄 | 핵산 | 서열번호 172 | 서열번호 173 | 서열번호 174 | |
| 도 1oc | 중쇄 | 아미노산 | 서열번호 175 | 서열번호 176 | 서열번호 177 | |
| 도 1od | 경쇄 | 아미노산 | 서열번호 178 | 서열번호 179 | 서열번호 180 | |
| 도 1pa | SK16 | 중쇄 | 핵산 | 서열번호 181 | 서열번호 182 | 서열번호 183 |
| 도 1pb | 경쇄 | 핵산 | 서열번호 184 | 서열번호 185 | 서열번호 186 | |
| 도 1pc | 중쇄 | 아미노산 | 서열번호 187 | 서열번호 188 | 서열번호 189 | |
| 도 1pd | 경쇄 | 아미노산 | 서열번호 190 | 서열번호 191 | 서열번호 192 | |
| 도 1qa | SK17 | 중쇄 | 핵산 | 서열번호 193 | 서열번호 194 | 서열번호 195 |
| 도 1qb | 경쇄 | 핵산 | 서열번호 196 | 서열번호 197 | 서열번호 198 | |
| 도 1qc | 중쇄 | 아미노산 | 서열번호 199 | 서열번호 200 | 서열번호 201 | |
| 도 1qd | 경쇄 | 아미노산 | 서열번호 202 | 서열번호 203 | 서열번호 204 | |
| 도 1ra | SL18 | 중쇄 | 핵산 | 서열번호 205 | 서열번호 206 | 서열번호 207 |
| 도 1rb | 경쇄 | 핵산 | 서열번호 208 | 서열번호 209 | 서열번호 210 | |
| 도 1rc | 중쇄 | 아미노산 | 서열번호 211 | 서열번호 212 | 서열번호 213 | |
| 도 1rd | 경쇄 | 아미노산 | 서열번호 214 | 서열번호 215 | 서열번호 216 | |
| 도 1sa | CB301_H3L1_A10 | 중쇄 | 핵산 | 서열번호 217 | 서열번호 218 | 서열번호 219 |
| 도 1sb | 경쇄 | 핵산 | 서열번호 220 | 서열번호 221 | 서열번호 222 | |
| 도 1sc | 중쇄 | 아미노산 | 서열번호 223 | 서열번호 224 | 서열번호 225 | |
| 도 1sd | 경쇄 | 아미노산 | 서열번호 226 | 서열번호 227 | 서열번호 228 | |
| 도 1ta | CB301_H3L1_A12 | 중쇄 | 핵산 | 서열번호 229 | 서열번호 230 | 서열번호 231 |
| 도 1tb | 경쇄 | 핵산 | 서열번호 232 | 서열번호 233 | 서열번호 234 | |
| 도 1tc | 중쇄 | 아미노산 | 서열번호 235 | 서열번호 236 | 서열번호 237 | |
| 도 1td | 경쇄 | 아미노산 | 서열번호 238 | 서열번호 239 | 서열번호 240 | |
| 도 1ua | CB301_H3L1_E6 | 중쇄 | 핵산 | 서열번호 241 | 서열번호 242 | 서열번호 243 |
| 도 1ub | 경쇄 | 핵산 | 서열번호 244 | 서열번호 245 | 서열번호 246 | |
| 도 1uc | 중쇄 | 아미노산 | 서열번호 247 | 서열번호 248 | 서열번호 249 | |
| 도 1ud | 경쇄 | 아미노산 | 서열번호 250 | 서열번호 251 | 서열번호 252 | |
| 도 1va | CB301_H3L1_F4 | 중쇄 | 핵산 | 서열번호 253 | 서열번호 254 | 서열번호 255 |
| 도 1vb | 경쇄 | 핵산 | 서열번호 256 | 서열번호 257 | 서열번호 258 | |
| 도 1vc | 중쇄 | 아미노산 | 서열번호 259 | 서열번호 260 | 서열번호 261 | |
| 도 1vd | 경쇄 | 아미노산 | 서열번호 262 | 서열번호 263 | 서열번호 264 | |
| 도 1wa | CB301_H3L1_G11 | 중쇄 | 핵산 | 서열번호 265 | 서열번호 266 | 서열번호 267 |
| 도 1wb | 경쇄 | 핵산 | 서열번호 268 | 서열번호 269 | 서열번호 270 | |
| 도 1wc | 중쇄 | 아미노산 | 서열번호 271 | 서열번호 272 | 서열번호 273 | |
| 도 1wd | 경쇄 | 아미노산 | 서열번호 274 | 서열번호 275 | 서열번호 276 | |
| 도 1xa | CB301_OPALTL_B5 | 중쇄 | 핵산 | 서열번호 277 | 서열번호 278 | 서열번호 279 |
| 도 1xb | 경쇄 | 핵산 | 서열번호 280 | 서열번호 281 | 서열번호 282 | |
| 도 1xc | 중쇄 | 아미노산 | 서열번호 283 | 서열번호 284 | 서열번호 285 | |
| 도 1xd | 경쇄 | 아미노산 | 서열번호 286 | 서열번호 287 | 서열번호 288 | |
| 도 1ya | CB301_OPALTL_E6 | 중쇄 | 핵산 | 서열번호 289 | 서열번호 290 | 서열번호 291 |
| 도 1yb | 경쇄 | 핵산 | 서열번호 292 | 서열번호 293 | 서열번호 294 | |
| 도 1yc | 중쇄 | 아미노산 | 서열번호 295 | 서열번호 296 | 서열번호 297 | |
| 도 1yd | 경쇄 | 아미노산 | 서열번호 298 | 서열번호 299 | 서열번호 300 |
Claims (38)
- 항-CD300c(CD300 antigen-like family member C) 항체 또는 그의 항원 결합 단편 및 하나 이상의 추가 항암제를 유효 성분으로 포함하는암의 예방 또는 치료를 위한 약학 조성물.
- 제1항에 있어서,상기 추가 항암제는 면역 항암제, 화학 항암제 또는 이들의 조합을 포함하는약학 조성물.
- 제1항에 있어서,상기 항-CD300c 항체 또는 그의 항원 결합 단편은(i) 서열번호 7, 서열번호 19, 서열번호 31, 서열번호 43, 서열번호 55, 서열번호 67, 서열번호 79, 서열번호 91, 서열번호 103, 서열번호 115, 서열번호 127, 서열번호 139, 서열번호 151, 서열번호 163, 서열번호 175, 서열번호 187, 서열번호 199, 서열번호 211, 서열번호 223, 서열번호 235, 서열번호 247, 서열번호 259, 서열번호 271, 서열번호 283 및 서열번호 295로 이루어진 군으로부터 선택되는 아미노산 서열을 포함하는 CDR1;서열번호 8, 서열번호 20, 서열번호 32, 서열번호 44, 서열번호 56, 서열번호 68, 서열번호 80, 서열번호 92, 서열번호 104, 서열번호 116, 서열번호 128, 서열번호 140, 서열번호 152, 서열번호 164, 서열번호 176, 서열번호 188, 서열번호 200, 서열번호 212, 서열번호 224, 서열번호 236, 서열번호 248, 서열번호 260, 서열번호 272, 서열번호 284 및 서열번호 296으로 이루어진 군으로부터 선택되는 아미노산 서열을 포함하는 CDR2; 및서열번호 9, 서열번호 21, 서열번호 33, 서열번호 45, 서열번호 57, 서열번호 69, 서열번호 81, 서열번호 93, 서열번호 105, 서열번호 117, 서열번호 129, 서열번호 141, 서열번호 153, 서열번호 165, 서열번호 177, 서열번호 189, 서열번호 201, 서열번호 213, 서열번호 225, 서열번호 237, 서열번호 249, 서열번호 261, 서열번호 273, 서열번호 285 및 서열번호 297로 이루어진 군으로부터 선택되는 아미노산 서열을 포함하는 CDR3을 포함하는 중쇄 가변 영역; 및(ii) 서열번호 10, 서열번호 22, 서열번호 34, 서열번호 46, 서열번호 58, 서열번호 70, 서열번호 82, 서열번호 94, 서열번호 106, 서열번호 118, 서열번호 130, 서열번호 142, 서열번호 154, 서열번호 166, 서열번호 178, 서열번호 190, 서열번호 202, 서열번호 214, 서열번호 226, 서열번호 238, 서열번호 250, 서열번호 262, 서열번호 274, 서열번호 286 및 서열번호 298로 이루어진 군으로부터 선택되는 아미노산 서열을 포함하는 CDR1;서열번호 11, 서열번호 23, 서열번호 35, 서열번호 47, 서열번호 59, 서열번호 71, 서열번호 83, 서열번호 95, 서열번호 107, 서열번호 119, 서열번호 131, 서열번호 143, 서열번호 155, 서열번호 167, 서열번호 179, 서열번호 191, 서열번호 203, 서열번호 215, 서열번호 227, 서열번호 239, 서열번호 251, 서열번호 263, 서열번호 275, 서열번호 287 및 서열번호 299로 이루어진 군으로부터 선택되는 아미노산 서열을 포함하는 CDR2; 및서열번호 12, 서열번호 24, 서열번호 36, 서열번호 48, 서열번호 60, 서열번호 72, 서열번호 84, 서열번호 96, 서열번호 108, 서열번호 120, 서열번호 132, 서열번호 144, 서열번호 156, 서열번호 168, 서열번호 180, 서열번호 192, 서열번호 204, 서열번호 216, 서열번호 228, 서열번호 240, 서열번호 252, 서열번호 264, 서열번호 276, 서열번호 288 및 서열번호 300으로 이루어진 군으로부터 선택되는 아미노산 서열을 포함하는 CDR3을 포함하는 경쇄 가변 영역을 포함하는약학 조성물.
- 제1항에 있어서,상기 항-CD300c 항체 또는 그의 항원 결합 단편은(i) 서열번호 79, 서열번호 115 및 서열번호 211로 이루어진 군으로부터 선택되는 아미노산 서열을 포함하는 CDR1;서열번호 80, 서열번호 116 및 서열번호 212로 이루어진 군으로부터 선택되는 아미노산 서열을 포함하는 CDR2; 및서열번호 81, 서열번호 117 및 서열번호 213으로 이루어진 군으로부터 선택되는 아미노산 서열을 포함하는 CDR3을 포함하는 중쇄 가변 영역; 및(ii) 서열번호 82, 서열번호 118 및 서열번호 214로 이루어진 군으로부터 선택되는 아미노산 서열을 포함하는 CDR1;서열번호 83, 서열번호 119 및 서열번호 215로 이루어진 군으로부터 선택되는 아미노산 서열을 포함하는 CDR2; 및서열번호 84, 서열번호 120 및 서열번호 216으로 이루어진 군으로부터 선택되는 아미노산 서열을 포함하는 CDR3을 포함하는 경쇄 가변 영역을 포함하는약학 조성물.
- 제1항에 있어서,상기 항-CD300c 항체 또는 그의 항원 결합 단편은서열번호 79로 표시되는 아미노산 서열을 포함하는 CDR1, 서열번호 80로 표시되는 아미노산 서열을 포함하는 CDR2, 및 서열번호 81로 표시되는 아미노산 서열을 포함하는 CDR3을 포함하는 중쇄 가변 영역; 및 서열번호 82로 표시되는 아미노산 서열을 포함하는 CDR1, 서열번호 83으로 표시되는 아미노산 서열을 포함하는 CDR2, 및 서열번호 84로 표시되는 아미노산 서열을 포함하는 CDR3을 포함하는 경쇄 가변 영역을 포함하는 항체 또는 그의 항원 결합 단편;서열번호 115로 표시되는 아미노산 서열을 포함하는 CDR1, 서열번호 116으로 표시되는 아미노산 서열을 포함하는 CDR2, 및 서열번호 117로 표시되는 아미노산 서열을 포함하는 CDR3을 포함하는 중쇄 가변 영역; 및 서열번호 118로 표시되는 아미노산 서열을 포함하는 CDR1, 서열번호 119로 표시되는 아미노산 서열을 포함하는 CDR2, 및 서열번호 120으로 표시되는 아미노산 서열을 포함하는 CDR3을 포함하는 경쇄 가변 영역을 포함하는 항체 또는 그의 항원 결합 단편; 및서열번호 211로 표시되는 아미노산 서열을 포함하는 CDR1, 서열번호 212로 표시되는 아미노산 서열을 포함하는 CDR2, 및 서열번호 213으로 표시되는 아미노산 서열을 포함하는 CDR3을 포함하는 중쇄 가변 영역; 및 서열번호 214로 표시되는 아미노산 서열을 포함하는 CDR1, 서열번호 215로 표시되는 아미노산 서열을 포함하는 CDR2, 및 서열번호 216으로 표시되는 아미노산 서열을 포함하는 CDR3을 포함하는 경쇄 가변 영역을 포함하는 항체 또는 그의 항원 결합 단편으로부터 선택되는약학 조성물.
- 제1항에 있어서,상기 항-CD300c 항체 또는 그의 항원 결합 단편은서열번호 79로 표시되는 아미노산 서열을 포함하는 CDR1, 서열번호 80으로 표시되는 아미노산 서열을 포함하는 CDR2, 및 서열번호 81로 표시되는 아미노산 서열을 포함하는 CDR3을 포함하는 중쇄 가변 영역; 및 서열번호 82로 표시되는 아미노산 서열을 포함하는 CDR1, 서열번호 83으로 표시되는 아미노산 서열을 포함하는 CDR2, 및 서열번호 84로 표시되는 아미노산 서열을 포함하는 CDR3을 포함하는 경쇄 가변 영역을 포함하는약학 조성물.
- 제1항에 있어서,상기 항-CD300c 항체 또는 그의 항원 결합 단편은 서열번호 327의 아미노산 서열을 포함하는 중쇄 가변 영역 및 서열번호 328의 아미노산 서열을 포함하는 경쇄 가변 영역을 포함하는약학 조성물.
- 제1항에 있어서,상기 항-CD300c 항체 또는 그의 항원 결합 단편은 종간 교차 반응성을 갖는약학 조성물.
- 제1항에 있어서,상기 항-CD300c 항체 또는 그의 항원 결합 단편은,아래 식 (1) 내지 (3)으로 각각 표현되는 아미노산 서열을 포함하는 CDR1 내지 CDR3을 포함하는 중쇄 가변 영역, 및아래 식 (4) 내지 (6)으로 각각 표현되는 아미노산 서열을 포함하는 CDR1 내지 CDR3을 포함하는 경쇄 가변 영역을 포함하는항-CD300c 항체 또는 그의 항원 결합 단편:FTFX1X2X3X4MX5WVR (1)상기 식에서,X1= G 또는 SX2= S, R 또는 DX3= N 또는 YX4= Y, A, G 또는 HX5= S 또는 HX1ISX2SGX3X4TYYAX5 (2)상기 식에서,X1= T 또는 AX2= G 또는 SX3= T 또는 GX4= S 또는 YX5= D 또는 EYCAX1X2X3X4X5X6X7X8X9W (3)상기 식에서,X1= R 또는 SX2= G 또는 SX3= M, S, Y 또는 IX4= W, Q, G 또는 RX5= G 또는 LX6= M, I 또는 PX7= D, F 또는 LX8= V 또는 DX9= I, Y 또는 존재하지 않음CX1X2X3X4X5X6X7X8X9X10X11VX12W (4)상기 식에서,X1= T 또는 SX2= G 또는 RX3= K, N 또는 SX4= H, N 또는 SX5= R, I 또는 GX6= H, G 또는 IX7= T, I 또는 SX8= R, A, K, 또는 존재하지 않음X9= R, S, G, 또는 존재하지 않음X10= N 또는 존재하지 않음X11= Y 또는 존재하지 않음X12= N, H 또는 QX1X2X3X4RPSGVX5 (5)상기 식에서,X1= L, S, R 또는 EX2= D, K 또는 NX3= S 또는 NX4= E, N, Q 또는 KX5= P 또는 RYCX1X2X3X4X5X6X7X8X9X10VF (6)상기 식에서,X1= Q, A, 또는 SX2= S 또는 AX3= Y 또는 WX4= D 또는 AX5= S, D 또는 GX6= S, N 또는 TX7= S, L, N 또는 KX8= V, S, N 또는 GX9= G, L, V 또는 존재하지 않음X10 = P 또는 존재하지 않음.
- 제2항에 있어서,상기 면역 항암제는 항-PD-1 항체, 항-PD-L1 항체, 항-CTLA-4 항체, 항-CD47 항체, 항-KIR 항체, 항-LAG3 항체, 항-CD137 항체, 항-OX40 항체, 항-CD276 항체, 항-CD27 항체, 항-GITR 항체, 항-TIM3 항체, 항-41BB 항체, 항-CD226 항체, 항-CD40 항체, 항-CD70 항체, 항-ICOS 항체, 항-CD40L 항체, 항-BTLA 항체, 항-TCR 항체 및 항-TIGIT 항체로 이루어진 군으로부터 선택되는 하나 이상을 포함하는약학 조성물.
- 제2항에 있어서,상기 면역 항암제는 항-PD-1, 항-PD-L1, 항-CTLA-4 및 항-CD47 항체로 이루어진 군으로부터 선택되는 하나 이상을 포함하는약학 조성물.
- 제2항에 있어서,상기 면역 항암제는 더발루맙, 펨브롤리주맙, 니볼루맙, αCD47, 및 이필리무맙으로 이루어진 군으로부터 선택되는 하나 이상을 포함하는약학 조성물.
- 제2항에 있어서,상기 화학 항암제는 미세소관 조립 억제제, DNA 인터칼레이터(intercalator) 또는 복제 억제제, 멀티키나제(multikinase) 억제제, 및 혈관형성 억제제로 이루어진 군으로부터 선택되는 하나 이상을 포함하는약학 조성물.
- 제2항에 있어서,상기 화학 항암제는 독소루비신, 파클리탁셀, 도세탁셀, 빈블라스틴, 빈크리스틴, 비노렐빈, 에스트라무스틴 포스페이트(EMP), NAB-파클리탁셀(아브락산), 시클로포스파미드, 에피루비신, 5-플루오로우라실, 에토포사이드, 이포스파미드, 젬시타빈, 데옥시아데노신, 클라드리빈, 클로파라빈, 플루다라빈, 펜토스타틴, 데옥시시티딘, 시토신 아라비노사이드(ara-C), 5-아자-2'-데옥시시티딘(데시타빈), 테자시타빈, 카페시타빈, 시타라빈, 메토트렉세이트, 페메트렉세드, 메르캅토퓨린, 닥티노마이신, 다우노루비신, 미토마이신, 블레오마이신, 이다루비신, 미톡산트론 HCL, 메클로레타민, 멜팔란, 클로람부실, 티오테파, 알트레타민, 프로카바진, 부설판, 스트렙토조토신, 카르무스틴, 로무스틴, 다카르바진(DTI), 클로람부실, 토포테칸, 이리노테칸, 테모졸로마이드, 시스플라틴, 카보플라틴, 옥살리플라틴, 소라페닙, 레고라페닙, 바탈라닙, 악시티닙, 마시티닙, 파조파닙, 수니티닙, 토세라닙, 세디라닙, 렌바티닙, 닌테다닙, 세막사닙, 티보자닙, 반데타닙, 및 레블리미드(레날리도마이드)로 이루어진 군으로부터 선택되는 하나 이상을 포함하는약학 조성물.
- 제2항에 있어서,상기 화학 항암제는 소라페닙, 젬시타빈 및 파클리탁셀로 이루어진 군으로부터 선택되는 하나 이상을 포함하는약학 조성물.
- 제1항에 있어서,상기 암은 대장암, 직장암, 결장암, 갑상선암, 구강암, 인두암, 후두암, 자궁경부암, 뇌암, 폐암, 난소암, 방광암, 신장암, 간암, 췌장암, 전립선암, 피부암, 혀암, 유방암, 자궁암, 위암, 골암 및 혈액암으로 이루어진 군으로부터 선택된 하나 이상을 포함하는약학 조성물.
- 제1항에 있어서,상기 암은 고형암인약학 조성물.
- 제1항에 있어서,상기 암은 대장암, 폐암, 흑색종, 및 유방암으로 이루어진 군으로부터 선택된 하나 이상을 포함하는약학 조성물.
- 제1항에 있어서,상기 약학 조성물은 암의 증식, 생존, 전이, 재발 또는 항암제 내성을 억제하는 것인약학 조성물.
- 제1항에 있어서,상기 항-CD300c 항체 또는 그의 항원 결합 단편과 상기 추가 항암제는 각각 제제화되어 동시 또는 순차적으로 별개로 투여되는 형태인약학 조성물.
- 항-CD300c(CD300 antigen-like family member C) 항체 또는 그의 항원 결합 단편 및 하나 이상의 추가 항암제를 암의 예방 또는 치료가 필요한 대상체에 투여하는 단계를 포함하는암의 예방 또는 치료 방법.
- 제21항에 있어서,상기 항-CD300c 항체 또는 그의 항원 결합 단편과 상기 하나 이상의 추가 항암제는 동시에 투여되거나 순차적으로 투여되는방법.
- 제21항에 있어서,상기 항-CD300c 항체 또는 그의 항원 결합 단편의 투여 전에, 대상체의 생물학적 시료 또는 자료에 기초하여 CD300c 단백질의 발현 수준을 확인하는 단계를 추가로 포함하는방법.
- 제21항에 있어서,상기 항-CD300c 항체 또는 그의 항원 결합 단편을 투여받은 대상체의 생물학적 시료 또는 자료에 기초하여 하기 마커로부터 선택된 하나 이상의 마커의 발현 수준을 확인하는 단계를 추가로 포함하는방법:Bst2, Cd40, Cd70, Cd86, Ccl8, Xcl1, Ccr7, Cd80, Cd206, Msr1, Arg1, Vegfa, Pdgfrb, Col4a1, Hif1a, Vcam1, Icam1, Gzma, Gzmb, Icos, Cd69, Ifng, Tnf, Cd1d1, Cd1d2, Cd38, Cxcr6, Xcr1, Tbx21, Stat1, Stat4, Cxcr3, IL-12b, IL-4, IL-6, IL-13, PD-1, PD-L1, CTLA-4, Lag3, Tim3, Ox40, Gitr, Hvem, CD27, CD28, Cma1, Timd4, Bcl6, Cxcl5 및 Ccl21a.
- 제24항에 있어서,상기 확인된 마커의 발현 수준에 기초하여 상기 추가 항암제를 선별하는 단계를 추가로 포함하는방법.
- 제24항에 있어서,상기 확인된 마커의 발현 수준에 기초하여 항-CD300c 항체 또는 그의 항원 결합 단편의 치료 반응성을 확인하는 단계를 추가로 포함하는방법.
- 제25항에 있어서,상기 마커는 PD-1, PD-L1, CTLA-4, Lag3, Tim3, Icos, Ox40, Gitr, Hvem, CD27 및 CD28로 이루어진 군에서 선택된 하나 이상을 포함하는방법.
- 제26항에 있어서,상기 마커는 vegfa, pdgfrb, Col4a1, Hif1a, Bst2, CCL8, Xcl1, CCR7, CD80, Tbx21, Stat1, Stat4, Ifng, Cxcr3, IL-6, Gzma, Icos, Cd69, Cd1d1, Cd38, Cxcr6, Ox40, Gitr, CD27 및 CD28로 이루어진 군으로부터 선택된 하나 이상을 포함하는방법.
- 제28항에 있어서,상기 마커 중 vegfa, pdgfrb, Col4a1, Hif1a 및 IL-6로 이루어진 군으로부터 선택된 하나 이상의 마커의 발현 수준이 항-CD300c 항체 또는 그의 항원 결합 단편을 투여받지 않은 대상체와 비교하여 통계적으로 유의미하게 감소된 경우에, 항-CD300c 항체 또는 그의 항원 결합 단편의 치료 반응성이 양호 또는 우수한 것으로 결정하는 단계를 추가로 포함하는방법.
- 제28항에 있어서,상기 마커 중 Icos, Ox40, Gitr, Hvem, CD27, CD28, Bst2, CCL8, Xcl1, CCR7, CD80, Tbx21, Stat1, Stat4, Ifng, Cxcr3, Gzma, Cd69, Cd1d1, Cd38 및 Cxcr6로 이루어진 군으로부터 선택된 하나 이상의 마커의 발현 수준이 항-CD300c 항체 또는 그의 항원 결합 단편을 투여받지 않은 대상체와 비교하여 통계적으로 유의미하게 증가된 경우에, 항-CD300c 항체 또는 그의 항원 결합 단편의 치료 반응성이 양호 또는 우수한 것으로 결정하는 단계를 추가로 포함하는방법.
- 항-CD300c(CD300 antigen-like family member C) 항체 또는 그의 항원 결합 단편을 포함하는 조성물, 및상기 항체 또는 그의 항원 결합 단편 및 하나 이상의 추가 항암제의 조합 사용을 지시하는 지시서를 포함하는암의 예방 또는 치료를 위한 키트.
- 대상체로부터 수득된 생물학적 시료 또는 자료를 이용하여 치료 반응성 예측을 위한 마커의 발현 수준을 결정하는 단계를 포함하고,상기 마커는 Bst2, Cd40, Cd70, Cd86, Ccl8, Xcl1, Ccr7, Cd80, Cd206, Msr1, Arg1, Vegfa, Pdgfrb, Col4a1, Hif1a, Vcam1, Icam1, Gzma, Gzmb, Icos, Cd69, Ifng, Tnf, Cd1d1, Cd1d2, Cd38, Cxcr6, Xcr1, Tbx21, Stat1, Stat4, Cxcr3, IL-12b, IL-4, IL-6, IL-13, Pd-1, Pd-l1, Ctla-4, Lag3, Tim3, Ox40, Gitr, Hvem, Cd27, Cd28, Cma1, Timd4, Bcl6, Cxcl5 및 Ccl21a로 이루어진 군에서 선택된 하나 이상을 포함하는항-CD300c 항체 또는 그의 항원 결합 단편의 치료 반응성 예측에 필요한 정보를 제공하는 방법.
- 제32항에 있어서,상기 마커는 Vegfa, Pdgfrb, Col4a1, Hif1a, Bst2, Ccl8, Xcl1, Ccr7, Cd80, Tbx21, Stat1, Stat4, Ifng, Cxcr3, IL6, Gzma, Icos, Cd69, Cd1d1, Cd38, Cxcr6, Ox40, Gitr, Cd27 및 Cd28로 이루어진 군으로부터 선택된 하나 이상을 포함하는방법.
- 제32항에 있어서,상기 마커 중 vegfa, pdgfrb, Col4a1, Hif1a 및 IL-6로 이루어진 군으로부터 선택된 하나 이상의 마커의 발현 수준이 항-CD300c 항체 또는 그의 항원 결합 단편을 투여받지 않은 대상체와 비교하여 통계적으로 유의미하게 감소된 경우에, 항-CD300c 항체 또는 그의 항원 결합 단편의 치료 반응성이 양호 또는 우수한 것으로 결정하는 단계를 추가로 포함하는방법.
- 제32항에 있어서,상기 마커 중 Bst2, CCL8, Xcl1, CCR7, CD80, Tbx21, Stat1, Stat4, Ifng, Cxcr3, Gzma, Icos, Cd69, Cd1d1, Cd38, Cxcr6, Ox40, Gitr, Cd27 및 Cd28로 이루어진 군으로부터 선택된 하나 이상의 마커의 발현 수준이 항-CD300c 항체 또는 그의 항원 결합 단편을 투여받지 않은 대상체와 비교하여 통계적으로 유의미하게 이상 증가된 경우에, 항-CD300c 항체 또는 그의 항원 결합 단편의 치료 반응성이 양호 또는 우수한 것으로 결정하는 단계를 추가로 포함하는방법.
- 항-CD300c 항체 또는 그의 항원 결합 단편의 치료 반응성 예측을 위한 마커의 발현 수준을 측정하기 위한 물질을 포함하는 키트로서상기 마커는 Bst2, Cd40, Cd70, Cd86, Ccl8, Xcl1, Ccr7, Cd80, Cd206, Msr1, Arg1, Vegfa, Pdgfrb, Col4a1, Hif1a, Vcam1, Icam1, Gzma, Gzmb, Icos, Cd69, Ifng, Tnf, Cd1d1, Cd1d2, Cd38, Cxcr6, Xcr1, Tbx21, Stat1, Stat4, Cxcr3, IL-12b, IL-4, IL-6, IL-13, PD-1, PD-L1, CTLA-4, Lag3, Tim3, Ox40, Gitr, Hvem, CD27, CD28, Cma1, Timd4, Bcl6, Cxcl5 및 Ccl21a로 이루어진 군에서 선택된 하나 이상을 포함하는항-CD300c 항체 또는 그의 항원 결합 단편의 치료 반응성 예측을 위한 키트.
- 암의 예방 또는 치료가 필요한 대상체로부터 수득된 생물학적 시료 또는 자료를 이용하여 CD300c 단백질의 발현 수준을 측정하는 단계를 포함하는 암의 예방 또는 치료를 위한 정보를 제공하는 방법.
- 제37항에 있어서,상기 암의 예방 또는 치료를 위한 정보는 CD300c 단백질과 관련된 치료제(예컨대, 항-CD300c 항체 또는 그의 항원 결합 단편)의 치료 반응성, 치료제의 선택, 치료 대상체의 선택, 대상체의 예후, 및 대상체의 생존기간 중 어느 하나 이상에 관한 정보를 포함하는방법.
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| CA3218832A CA3218832A1 (en) | 2021-05-13 | 2022-05-13 | Combined therapy using anti-cd300c antibody |
| CN202280049719.7A CN117897402A (zh) | 2021-05-13 | 2022-05-13 | 使用抗cd300c抗体的组合疗法 |
| JP2023571118A JP2024517986A (ja) | 2021-05-13 | 2022-05-13 | 抗-CD300c抗体を利用した併用療法 |
| AU2022272266A AU2022272266B2 (en) | 2021-05-13 | 2022-05-13 | Combined therapy using anti-cd300c antibody |
| EP22807907.5A EP4339210A4 (en) | 2021-05-13 | 2022-05-13 | COMBINATION THERAPY USING AN ANTI-CD300C ANTIBODY |
| US18/290,409 US20240254220A1 (en) | 2021-05-13 | 2022-05-13 | Combined therapy using anti-cd300c antibody |
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| PCT/KR2022/006939 Ceased WO2022240261A1 (ko) | 2019-11-18 | 2022-05-13 | 항-cd300c 단클론 항체 및 이의 암 예방 또는 치료용 바이오마커 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160194631A1 (en) * | 2009-09-30 | 2016-07-07 | Harvard Medical School | Methods for Modulation of Autophagy Through the Modulation of Autophagy-Inhibiting Gene Products |
| WO2017069958A2 (en) * | 2015-10-09 | 2017-04-27 | The Brigham And Women's Hospital, Inc. | Modulation of novel immune checkpoint targets |
| KR20190016025A (ko) * | 2016-05-09 | 2019-02-15 | 인스티튜트 내셔널 드 라 싼테 에 드 라 리셰르셰 메디칼르 (인 썸) | 고형 암을 갖는 환자의 분류 방법 |
| KR20190136949A (ko) | 2018-05-31 | 2019-12-10 | 주식회사 센트릭스바이오 | CD300c의 발현 억제제 또는 활성 억제제를 포함하는 암 예방 또는 치료용 약학적 조성물 |
| WO2020014097A1 (en) * | 2018-07-10 | 2020-01-16 | University of Conneticut | Reagents and methods for treating cancer and autoimmune disease |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1692274A4 (en) * | 2003-10-29 | 2007-07-11 | Order Sisters Of Mercy Queensl | CD4 + ISOLATED T-CELLS DEFINED BY CMRF-35 AND CD45RO |
| CN119236118A (zh) | 2017-02-28 | 2025-01-03 | 基因药物株式会社 | 含肿瘤特异性溶瘤腺病毒和免疫检查点抑制剂的抗癌组合物 |
| WO2019231188A1 (ko) * | 2018-05-31 | 2019-12-05 | 주식회사 센트릭스바이오 | Cd300c의 발현 억제제 또는 활성 억제제를 포함하는 암 예방 또는 치료용 약학적 조성물 |
| AU2020387199B2 (en) * | 2019-11-18 | 2025-05-22 | CentricsBio, Inc. | Composition for preventing or treating cancer, comprising anti-CD300c monoclonal antibodies |
| KR102464507B1 (ko) * | 2019-11-18 | 2022-11-09 | 주식회사 센트릭스바이오 | 항-CD300c 단클론 항체를 포함하는 암 예방 또는 치료용 조성물 |
| CN115038719B (zh) * | 2019-11-28 | 2025-05-20 | 善萃科思生物科技公司 | 与cd300c抗原或其受体特异性结合的嵌合抗原受体 |
| JP7818747B2 (ja) * | 2021-05-13 | 2026-02-24 | セントリックスバイオ インコーポレイテッド | 抗-CD300cモノクローナル抗体及びその癌の予防または治療用バイオマーカー |
| CA3220226A1 (en) * | 2021-05-24 | 2022-12-01 | Jae-Won Jeon | Chimeric antigen receptor specifically binding to cd300c antigen or receptor thereof |
| KR20230155978A (ko) * | 2022-05-02 | 2023-11-13 | 주식회사 센트릭스바이오 | 항-CD300c 항체 또는 이의 항원 결합 단편 및 그의 퇴행성 뇌 질환 예방 또는 치료용 용도 |
-
2022
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- 2022-05-13 AU AU2022272266A patent/AU2022272266B2/en active Active
- 2022-05-13 WO PCT/KR2022/006938 patent/WO2022240260A1/ko not_active Ceased
- 2022-05-13 US US18/290,409 patent/US20240254220A1/en active Pending
- 2022-05-13 EP EP22807907.5A patent/EP4339210A4/en active Pending
- 2022-05-13 KR KR1020220059213A patent/KR20220155554A/ko active Pending
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- 2022-05-13 JP JP2023571118A patent/JP2024517986A/ja active Pending
- 2022-05-13 WO PCT/KR2022/006939 patent/WO2022240261A1/ko not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160194631A1 (en) * | 2009-09-30 | 2016-07-07 | Harvard Medical School | Methods for Modulation of Autophagy Through the Modulation of Autophagy-Inhibiting Gene Products |
| WO2017069958A2 (en) * | 2015-10-09 | 2017-04-27 | The Brigham And Women's Hospital, Inc. | Modulation of novel immune checkpoint targets |
| KR20190016025A (ko) * | 2016-05-09 | 2019-02-15 | 인스티튜트 내셔널 드 라 싼테 에 드 라 리셰르셰 메디칼르 (인 썸) | 고형 암을 갖는 환자의 분류 방법 |
| KR20190136949A (ko) | 2018-05-31 | 2019-12-10 | 주식회사 센트릭스바이오 | CD300c의 발현 억제제 또는 활성 억제제를 포함하는 암 예방 또는 치료용 약학적 조성물 |
| WO2020014097A1 (en) * | 2018-07-10 | 2020-01-16 | University of Conneticut | Reagents and methods for treating cancer and autoimmune disease |
Non-Patent Citations (9)
| Title |
|---|
| "Remington's Pharmaceutical Sciences and U.S. Pharmacopeia: National Formulary", 1984, MACK PUBLISHING COMPANY |
| CHENG CUI, MIN SU, YUJUN LIN, LAIJUN LAI: "A CD300c-Fc fusion protein inhibits T cell immunity", FRONTIERS IN IMMUNOLOGY, vol. 9, 15 November 2018 (2018-11-15), pages 1 - 14, XP055660033, DOI: 10.3389/fimmu.2018.02657 * |
| CRAMERI ET AL., NATURE, vol. 391, 1998, pages 288 - 291 |
| MARKS ET AL., BIO/TECHNOLOGY, vol. 10, 1992, pages 779 - 783 |
| PATTEN ET AL., CURR. OPIN. BIOTECHNOL., vol. 8, 1997, pages 724 - 733 |
| See also references of EP4339210A4 |
| THOMPSON ET AL., J. MOL. BIOL., vol. 256, 1996, pages 359 - 368 |
| VAUGHAN ET AL., SCIENCE, vol. 239, 1988, pages 1534 - 1536 |
| YANG ET AL., J. MOL. BIOL., vol. 254, 1995, pages 392 - 403 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2022272266A9 (en) | 2023-12-14 |
| CA3218832A1 (en) | 2022-11-17 |
| EP4339210A1 (en) | 2024-03-20 |
| AU2022272266B2 (en) | 2026-03-26 |
| KR20220154639A (ko) | 2022-11-22 |
| US20240254220A1 (en) | 2024-08-01 |
| JP2024517986A (ja) | 2024-04-23 |
| EP4339210A4 (en) | 2025-09-24 |
| WO2022240261A1 (ko) | 2022-11-17 |
| AU2022272266A1 (en) | 2023-11-30 |
| KR20220155554A (ko) | 2022-11-23 |
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