WO1998029453A1 - Cell membrane-directed drugs - Google Patents
Cell membrane-directed drugs Download PDFInfo
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- WO1998029453A1 WO1998029453A1 PCT/JP1998/000002 JP9800002W WO9829453A1 WO 1998029453 A1 WO1998029453 A1 WO 1998029453A1 JP 9800002 W JP9800002 W JP 9800002W WO 9829453 A1 WO9829453 A1 WO 9829453A1
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/48—Hydrolases (3) acting on peptide bonds (3.4)
- C12N9/50—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25)
- C12N9/64—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from animal tissue
- C12N9/6421—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from animal tissue from mammals
- C12N9/6424—Serine endopeptidases (3.4.21)
- C12N9/6464—Protein C (3.4.21.69)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/62—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being a protein, peptide or polyamino acid
- A61K47/64—Drug-peptide, drug-protein or drug-polyamino acid conjugates, i.e. the modifying agent being a peptide, protein or polyamino acid which is covalently bonded or complexed to a therapeutically active agent
- A61K47/6425—Drug-peptide, drug-protein or drug-polyamino acid conjugates, i.e. the modifying agent being a peptide, protein or polyamino acid which is covalently bonded or complexed to a therapeutically active agent the peptide or protein in the drug conjugate being a receptor, e.g. CD4, a cell surface antigen, i.e. not a peptide ligand targeting the antigen, or a cell surface determinant, i.e. a part of the surface of a cell
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/705—Receptors; Cell surface antigens; Cell surface determinants
- C07K14/70596—Molecules with a "CD"-designation not provided for elsewhere
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/745—Blood coagulation or fibrinolysis factors
- C07K14/7455—Thrombomodulin
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/745—Blood coagulation or fibrinolysis factors
- C07K14/755—Factors VIII, e.g. factor VIII C (AHF), factor VIII Ag (VWF)
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/81—Protease inhibitors
- C07K14/8107—Endopeptidase (E.C. 3.4.21-99) inhibitors
- C07K14/811—Serine protease (E.C. 3.4.21) inhibitors
- C07K14/8114—Kunitz type inhibitors
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/48—Hydrolases (3) acting on peptide bonds (3.4)
- C12N9/50—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25)
- C12N9/64—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from animal tissue
- C12N9/6421—Proteinases, e.g. Endopeptidases (3.4.21-3.4.25) derived from animal tissue from mammals
- C12N9/6424—Serine endopeptidases (3.4.21)
- C12N9/647—Blood coagulation factors not provided for in a preceding group or according to more than one of the proceeding groups
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P21/00—Preparation of peptides or proteins
- C12P21/02—Preparation of peptides or proteins having a known sequence of two or more amino acids, e.g. glutathione
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y304/00—Hydrolases acting on peptide bonds, i.e. peptidases (3.4)
- C12Y304/21—Serine endopeptidases (3.4.21)
- C12Y304/21069—Protein C activated (3.4.21.69)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2319/00—Fusion polypeptide
Definitions
- the agents and novel peptides of the present invention are useful as agents for preventing and treating diseases associated with blood coagulation disorders, inflammation and immune response.
- Another example is a polypeptide that selectively binds to a phospholipid, phosphatidylserine, and thereby inhibits a factor involved in the development of a blood coagulation reaction from binding to a phospholipid.
- IC A polypeptide consisting of 30 amino acids at the end of the 2 region (International Patent Application Publication No. WO / 90/15615) and a polypeptide consisting of 12 amino acids derived from the CDR of a phosphatidylserine-recognizing antibody.
- Peptides Japanese Patent Application Laid-Open No. 5-92992.
- TM tissue brassino-gen-activate-ichi-ichi
- tPA tissue brassino-gen-activate-ichi-ichi
- heparin pantithrombin m is used as an anticoagulant, but since these substances have side effects such as bleeding tendency, their use must be limited in some cases.
- the first embodiment of the present invention is a drug containing a substance having affinity for phospholipids and a physiologically active substance.
- the agent preferably has an affinity for the desired phospholipid. It is a drug that has a novel substance that has both a functional part and a biologically active part. It is a drug that has a chimeric substance or a heterologous fusion substance in a sense different from the form that naturally exists in nature.
- the affinity for the phospholipid or the portion having the affinity for the phospholipid is derived from a substance having an affinity for the phospholipid, and the physiological activity or the portion having the physiological activity is derived from the bioactive substance. Is preferred.
- the substance having affinity for a specific phospholipid is preferably a peptide or a substance containing a peptide
- the peptide is preferably a substance having a sequence represented by the following general formula. Is composed of the sequence.
- substitution, deletion, addition, insertion, and the like may be performed in part of the constituent elements of the sequences described in the present specification, as long as the characteristics are not impaired. Specifically, if the sequence is an amino acid sequence, one or more amino acids may be substituted, deleted, added, or inserted without impairing its activity.
- the substance having an affinity for phospholipids is at least one of the following: It has an array of
- the drug according to the first aspect of the present invention preferably uses a peptide as a physiologically active substance, specifically, a factor involved in the blood coagulation reaction system, a factor involved in the fibrinolytic system, a factor involved in the immune response reaction, At least one selected from the group consisting of a factor that inhibits the activity of a protease, a factor that inhibits the activity of a protease, and a variant thereof, more preferably a factor that inhibits a blood coagulation reaction, a factor that enhances the fibrinolytic system, More preferably, at least one selected from the group consisting of a factor that suppresses a body activation reaction, a factor that suppresses cell damage caused by active oxygen, a factor that inhibits the activity of a protease, and a modified form thereof is more preferred.
- the drug of the first aspect of the present invention in a form containing a physiologically active substance and a substance having an affinity for a specific phospholipid, preferably contains a bond via a peptide bond, and more preferably has an affinity for a phospholipid.
- N-terminal amino acid of a substance having a property and the C-terminal amino acid of a biologically active substance or the C-terminal amino acid of a substance having an affinity for phospholipids and the N-terminal amino acid of a biologically active substance via a peptide bond.
- N-terminal amino acid of a substance having affinity for phospholipids and C of a physiologically active substance It includes a form in which a terminal amino acid is bound via a peptide bond.
- a second aspect of the present invention provides a peptide having an amino acid sequence represented by the following general formula.
- a and A 3 is Amino acid sequence according to SEQ ID NO: 2 and SEQ ID NO: 3, n 2 is a number of repetitions 2 or 3, n 3 of A 2 is a by Repetitive returns array of A3 Is 0 or 1.
- amino acid sequence of the peptide has any one of the following sequences.
- the third aspect of the present invention provides a DNA encoding the drug of the first aspect of the present invention or the amino acid sequence of the peptide portion of the drug.
- the fourth aspect of the present invention provides a DNA encoding the amino acid sequence of the peptide of the second aspect of the present invention.
- a fifth aspect of the present invention provides a method for producing the drug of the first aspect of the present invention.
- FIG. 1 is a drawing showing a DNA primer used for PCR for obtaining the DNA of the present invention.
- FIG. 2 shows DNA primers used for PCR to obtain the DNA of the present invention. It is a drawing.
- FIG. 3 is a drawing showing the process of cloning human TMc DNA and constructing a human TM expression vector.
- FIG. 4 shows a soluble human TM expression vector having an affinity for phosphatidylserine of the present invention, a human UTI second region expression vector having an affinity for phosphatidylserine, and a human having an affinity for phosphatidylserine.
- 1 is a drawing showing synthetic DNA used for constructing a UTI expression vector and a soluble human MCP expression vector having an affinity for phosphatidylserine.
- FIG. 5 shows a soluble human TM expression vector having an affinity for phosphatidylserine of the present invention, a second region expression vector of human UT I having an affinity for phosphatidylserine, and a human UT having an affinity for phosphatidylserine.
- 1 is a drawing showing synthetic DNA used for constructing a soluble human MCP expression vector having an affinity for I expression vector and phosphatidylserine.
- FIG. 6 is a drawing showing the process of constructing the expression vector pMl350 of the present invention.
- FIG. 7 is a drawing showing the process of constructing the expression vector pMl357 of the present invention.
- FIG. 8 is a drawing showing the construction process of the expression vector pMl356 of the present invention.
- FIG. 9 is a drawing showing the construction process of the expression vector pMl354 of the present invention.
- FIG. 10 is a drawing showing the construction process of the expression vector pM1355 of the present invention.
- FIG. 11 is a drawing showing the results of comparing the ability of a soluble human TM having an affinity for various phosphatidylserines of the present invention to promote protein C activation with an unmodified soluble human TM. .
- the vertical axis of the figure indicates the relative activity of protein C activation promoting action.
- FIG. 12 is a drawing showing that the ability of soluble human TM (rsTMC2) having an affinity for phosphatidylserine of the present invention to promote protein C activation is specific to phosphatidylserine. is there.
- the white column shows unmodified soluble human TM (rsTM), and the black column shows soluble human TM (rsMMC2) having affinity for phosphatidylserine.
- PC, PA, PE and PS on the horizontal axis represent liposome components, which are phosphatidylcholine, phosphatidic acid, phosphatidylethanolamine and phosphatidylserine, respectively.
- L i p 0 (1) indicates the case where no ribosome is present.
- the vertical axis represents the relative activity of protein C activation promoting action.
- FIG. 13 is a drawing showing that the soluble human TM having affinity for phosphatidylserine of the present invention binds to phospholipids specifically to phosphatidylserine.
- white columns represent unmodified soluble human TM (rsTM), and shaded columns and black columns represent soluble human TM with affinity for phosphatidylserine (rsTMTd, rsTMC, respectively).
- the horizontal axis of the drawing shows the phosphatidylserine content in the ribosome composed of phosphatidylcholine and phosphatidylserine, and the vertical axis shows the binding amount (absorbance).
- FIG. 14 is a drawing showing the construction process of the expression vector pM1358 of the present invention.
- FIG. 15 is a drawing showing the construction process of the expression vector pM1213 of the present invention.
- FIG. 16 is a drawing showing the process of constructing the expression vector pM1380 of the present invention.
- FIG. 17 is a drawing showing the process of constructing the expression vector pM137 of the present invention.
- FIG. 18 is a drawing showing the process of constructing the expression vector pM1371 of the present invention.
- FIG. 19 is a drawing showing the results of comparing the ability of human UTI having an affinity for the phosphatidylserine of the present invention and unmodified human UTI to suppress the production of active oxygen.
- the vertical axis of the drawing shows the amount of active oxygen produced (change rate of absorbance per unit time).
- FIG. 20 shows the second region of human UTI having affinity for the phosphatidylserine of the present invention (rR-200C2, in the figure: Association) and the second region of human UTI expressed in E. coli.
- FIG. 3 is a drawing showing the results of comparing the ability to inhibit prothrompinase activity with (in the figure: ⁇ ).
- the horizontal axis of the drawing represents the concentration of rR-020C2 and the concentration of the second region of human UTI expressed in Escherichia coli in units of trypsin inhibitory activity, and the vertical axis represents the residual ratio of prothrompinease activity. It is shown.
- FIG. 21 shows that the ability of the human UTI having the affinity for the phosphatidylserine of the present invention to inhibit the prothrombinase activity of the second region (rR-200C2) is specific to phosphatidylserine.
- FIG. The white columns in the figure represent rR-0 0 20 and the shaded columns represent rR-0 2 0 C2.
- the horizontal axis of the drawing represents the phosphatidylserine content in the liposome consisting of phosphatidylcholine and phosphatidylserine, and the vertical axis represents the professional level. It shows the inhibition rate of thrompinase activity.
- FIG. 22 is a drawing showing the process of constructing the expression vector pM1390 of the present invention.
- the “phospholipid” of the present invention is a desired phospholipid intended for accumulating a physiologically active substance at a specific site, and is a phospholipid contained in a component of a lipid bilayer forming a cell surface layer. Phospholipids that are high in the outer layer of the lipid bilayer and that increase when cells are abnormal, such as when damaged, denatured, or activated.
- phospholipid that increases when a cell damage reaction due to active oxygen is progressing, or when cell activation and / or damage reaction due to proteolytic enzyme is progressing.
- phospholipids include phosphatidylserine and phosphatidylethanolamine (Alan J. Schroiteta 1., Biochim. Biophys. Acta, Vol. 1071, 313 (1991). )), And preferably phosphatidylserine.
- “having affinity” refers to an interaction.
- “Interaction” means binding to each other, forming a complex, recognizing molecules with each other, moving in a certain direction and trying to Z or gather, Changing and reacting with each other.
- bonding there is no limitation on the bonding mode.
- a non-covalent bond such as an electrostatic bond or a hydrophobic bond may be used, or a disulfide bond, an ester bond, an ether bond, or a peptide. It may be a covalent bond represented by a bond or the like.
- the first aspect of the present invention relates to a substance or composition containing a substance having an affinity for a phospholipid and a physiologically active substance, preferably a drug, which acts under a condition in which a specific phospholipid coexists.
- a substance or composition containing a substance having an affinity for a phospholipid and a physiologically active substance, preferably a drug, which acts under a condition in which a specific phospholipid coexists preferably drugs.
- the conditions under which phospholipids coexist includes the artificially created environment and the natural environment.
- the artificially created environment includes, for example, phospholipids, blood, cells, biological tissues, and their crushed substances (including the state contained in a container such as a test tube or a tube).
- a container such as a test tube or a tube
- it includes all parts of a living body such as blood vessels, brain, and organs.
- the “peptide” referred to in the present invention has no limitation on the length of its amino acid sequence, and includes a so-called dipeptide having 2 amino acids to a polypeptide having 10000 or more amino acids.
- the substance having an affinity for a phospholipid according to the present invention is not particularly limited in terms of the molecules and shapes constituting the substance as long as it has an affinity for a specific phospholipid, but is preferably a peptide, Preferred is a peptide comprising the following amino acid sequence.
- a 1 is the amino acid sequence described in SEQ ID NO: 1 or SEQ ID NO: 10
- a 2 and A 3 are SEQ ID NO: 2 and SEQ ID NO: 3, respectively.
- 2 is the described amino acid sequence.
- A1 may include all or part of the amino acid sequence of SEQ ID NO: 1.
- the amino acid sequence of SEQ ID NO: 10 may be included, but preferably the entire amino acid sequence of SEQ ID NO: 1.
- X aa in SEQ ID NO: 2 is Thr or Leu.
- A3 may include part or all of the amino acid sequence of SEQ ID NO: 3.
- n,, n 2 and n 3 is an arbitrary number that represent the number of repetitions of the amino acid sequence A 1, A 2 and A 3, n, is preferably 5 or less rather more preferably 0 or 1, n 2 is preferably 1 or more, more preferably 1, 2 or 3, and n 3 is preferably 5 or less, more preferably 0 or 1.
- the combination of the above sequences is not limited to a combination method as long as the above-mentioned peptide has an affinity for a specific phospholipid.
- Preferred examples of the combination include SEQ ID NOS: 5 to 9 and SEQ ID NO: 22. The ones shown can be cited.
- the above-mentioned amino acid sequence is an example, and the peptide of the present invention having an affinity for a specific phospholipid is not limited in its amino acid sequence as long as it has an affinity for a specific phospholipid, and may be used as needed. It is possible to make substitutions, deletions, insertions or additions to the above-mentioned amino acid sequence. Further, if necessary, it can be modified. Further, a peptide having an affinity for phosphatidylserine having an amino acid sequence completely different from the aforementioned amino acid sequence, for example, G1a having an affinity for phosphatidylserine contained in blood coagulation-related factors such as Factor Xa.
- the “bioactive substance” may be any substance as long as it exhibits a pharmacological action in a living body. Examples thereof include a peptide having a physiological activity, a chemical substance exhibiting a pharmacological action, and an aggregate and encapsulation thereof. Body, etc., and is preferably a peptide.
- the "peptide having a physiological activity” may be any peptide as long as it is a peptide involved in a biological reaction, and may be modified as needed.
- it is a peptide that originally interacts with the cell membrane itself or a peptide that interacts with a substance existing in the cell, on the cell membrane, on the cell surface, and in the vicinity of the cell. included.
- the peptide when the peptide is originally a water-insoluble peptide, for example, a part of a membrane protein, the peptide may be modified to be water-soluble as necessary.
- the peptide may be modified to be water-soluble as necessary.
- this include, for example, factors involved in the blood coagulation reaction system, factors involved in the fibrinolytic system, factors involved in the immune response, factors inhibiting cell damage, and factors inhibiting the activity of proteolytic enzymes.
- a factor that inhibits the blood coagulation reaction a factor that enhances the fibrinolytic system, a factor that inhibits the complement activation reaction, a factor that suppresses cell damage caused by active oxygen, and a factor that inhibits the activity of proteolytic enzymes And the like.
- the factors involved in the blood coagulation reaction system and / or the factors suppressing the blood coagulation reaction include TM, the second region of UTI, antithrombin m (ATI), and T issue Factor Pat. hwa y Inhibitor (TF PI) and the like, as well as their variants, variants and derivatives.
- factors involved in the fibrinolytic system and / or factors that enhance the fibrinolytic system include tPA, peroxidase (UK), and the like, and modified, mutant, and derivatives thereof.
- Factors involved in immune response include those derived from immunocompetent cells, such as MCP, which is a factor that suppresses the complement activation reaction, and complement control factors such as decay-accelerating factor (DAF).
- MCP immunocompetent cells
- DAF decay-accelerating factor
- UTI that inhibits proteases, the second region of UTI, and the like, as well as variants, variants and derivatives thereof.
- Factors that inhibit cell damage due to reactive oxygen and factors that inhibit the activity of Z or proteolytic enzymes include UTI, the second region of UTI, Elafin, Secretory Leukoprotease Inh ibitor (SLPI), and the like. And variants and derivatives thereof.
- factors that suppress cell damage caused by active oxygen include s0D, ribonuclease, and the like, as well as factors having an active oxygen elimination effect of their variants, mutants, and derivatives.
- TM the second region of UTI, MCP, UTI, and variants, variants and derivatives thereof, particularly peptides represented by SEQ ID NO: 4 or SEQ ID NOS: 23 to 25 are preferred.
- SEQ ID NO: 4 the amino acid sequence represented by SEQ ID NOS: 23 to 25.
- the “chemical substance having a pharmacological action” is a substance selected from all substances having a pharmacological action other than peptides having physiological activity, and There is no restriction by the molecular formula shown as long as the action is exhibited. Specifically, it includes artificially synthesized compounds, chemical substances separated from natural products and microorganism-produced substances, nucleic acids, sugars, lipids, and the like, and also includes modifications thereof. Learn more Are cyclophosphamide, an immunosuppressant, and actinomycin, an anticancer drug
- antisense oligonucleotides hyaluronic acid, lecithin and the like can be mentioned, but these are merely examples and do not limit the physiologically active substance of the present invention.
- An ⁇ aggregate '' of biologically active substances or pharmacologically active compounds is a state in which a certain amount of physiologically active substances or pharmacologically active compounds are accumulated by chemical bonding or physical adhesion.
- the term ⁇ inclusion body '' of a substance having a biological activity or a compound exhibiting a pharmacological action includes a substance having a biological activity or a compound exhibiting a pharmacological action in ribosomes, microcapsules, or polymer matrices. Including those in the state where
- the form of the first embodiment of the agent of the present invention containing a substance having an affinity for phospholipid and a physiologically active substance is not particularly limited.
- a substance having affinity for phospholipid and a physiologically active substance are not completely impaired in the affinity of the substance having affinity for phospholipid and the activity of the physiologically active substance.
- the drug substance of the present invention is substantially integrated with an active substance.
- a substance having an affinity for a phospholipid and a biologically active substance do not completely impair the affinity of a substance having an affinity for a phospholipid for a specific phospholipid and the activity of a physiologically active substance.
- any form such as a mixture, a composition, a complex, and a conjugate is included as long as the compound substantially forms the agent of the present invention together. That is, both may be in a state of being simply mixed, a composition containing both, or both may interact with each other.
- “Interaction” means binding to each other, forming a complex, recognizing each other's molecules Direct or indirect bonding in any form, including moving in a certain direction and trying to Z or gather together, changing the shape of the molecules and reacting with each other Is preferred. In addition, when they are bonded to each other, there is no limitation on the bonding mode.
- non-covalent bonds such as electrostatic bonds and hydrophobic bonds may be used, or disulfide bonds, ester bonds, ether bonds, and peptides. It may be a covalent bond represented by a bond or the like.
- a suitable linker and adapter such as a peptide having an arbitrary amino acid sequence or an arbitrary compound, for example, through binding with biotin and avidin, binding with an antibody and antigen, or binding with a receptor and its ligand, etc. And may be further modified as necessary.
- the binding site in the peptide includes an N-terminal, a C-terminal, an amino group, a carboxyl group, and a cysteine residue present in a side chain. It contains a thiol group and the like, and is preferably an N-terminal or C-terminal.
- both the physiologically active substance and the substance having affinity for the phospholipid are peptides, it is preferable to include a bond via a peptide bond.
- at least one of the N-terminus and the other C-terminus are bonded via a peptide bond.
- chimeric proteins, fusion proteins and the like are exemplified.
- a substance in which the N-terminus of a substance having an affinity for phospholipids and the C-terminus of a physiologically active substance are peptide-bonded is more preferable.
- amino acid having an amino acid sequence selected from SEQ ID NO: 5 to 9 or SEQ ID NO: 22 linked to the C-terminal of an amino acid sequence selected from SEQ ID NO: 4 or SEQ ID NO: 23 to 25 The agent of the present invention containing a peptide consisting of an acid sequence can be mentioned.
- the present invention also provides a novel peptide having an affinity for phosphatidylserine consisting of or comprising the amino acid sequence of SEQ ID NOs: 6, 7, and 22, and a pharmaceutical containing the peptide as a component.
- the drug includes a novel peptide having an affinity for the phosphatidylserine of the present invention mixed or bound with a physiologically active substance, an aggregate thereof, or an inclusion body thereof.
- the physiologically active substance, its aggregate or its inclusion body, in which a novel peptide having an affinity for phosphatidylserine is mixed or bound is attached to the surface of abnormal cells, for example, damaged, denatured or activated cells. It has the property of selectively accumulating.
- a physiologically active substance to which a novel peptide having an affinity for the phosphatidylserine of the present invention is bound via an appropriate linker is not a normal cell, for example, is damaged or denatured, It has the property of selectively accumulating on the surface of transformed cells.
- a novel peptide having an affinity for the phosphatidylserine of the present invention which is modified with a substance having an affinity for a component constituting the skeleton of the inclusion body containing a physiologically active substance, is referred to as an inclusion body containing a biologically active substance.
- inclusion bodies containing biologically active substances with a novel peptide having an affinity for phosphatidylserine obtained by mixing or reacting with them can be used for abnormal cells, such as damaged, denatured or activated cells. It has the property of selectively accumulating on the surface.
- the novel peptide having an affinity for phosphatidylserine of the present invention is modified with an appropriate phospholipid such as phosphatidylethanolamine, and then mixed with the ribosome.
- a drug obtained by binding a new peptide having an affinity for the phosphatidylserine of the present invention to the liposome surface can be used to damage normal, damaged or denatured cells such as activated cells. It has the property of selectively accumulating on the surface.
- the novel peptide having an affinity for phosphatidylserine of the present invention can also be used as a drug that competitively inhibits the binding of a bioactive factor involved in the development of a blood coagulation reaction to a target site of action. It is.
- the DNA of the present invention may be any substance having a base sequence encoding a substance having an affinity for the phospholipid constituting the drug of the present invention and a peptide of Z or a physiologically active substance.
- the present invention is a DNA comprising, preferably consisting of, the following sequence:
- J 1 is co one de the Amino acid sequences of peptides having physiological activity It is sufficient that at least one of the 5 'end and the 3' end is present in the DNA sequence to be formed.
- Dl, D2, and D3 are DNA sequences encoding the peptides represented by A1, A2, and A3, respectively, and D1 is SEQ ID NO: 11 or SEQ ID NO: 12, and D2 is SEQ ID NO: 13 or SEQ ID NO: 14 and D3 are the DNA sequence described in SEQ ID NO: 15.
- D1 may include all or a part of DNA of SEQ ID NO: 11 as long as the translation frame does not change.
- the DNA sequence of SEQ ID NO: 12 may be included, but the entire DNA sequence of SEQ ID NO: 11 is preferable.
- M in SEQ ID NOs: 13 and 14 represents A or C.
- D3 may include a part or all of the DNA sequence of SEQ ID NO: 15 as long as the translation frame does not change. Also, m,.
- M 2 and m 3 is an arbitrary number that represent the number of iterations of DNA sequence D 1, D 2 and D 3, m, is preferably 5 or less and more preferably 0 Moshiku 1, m 2 is preferably 1 or more, more preferably 1, 2 or 3, and m 3 is preferably 5 or less, more preferably 0 or 1.
- the combination of the above arrays As long as the peptide consisting of the amino acid sequence translated from the above DNA is the drug of the present invention, the method of combination is not limited.
- J1 is, for example, a factor involved in the blood coagulation reaction system, a factor involved in the fibrinolytic system, a factor involved in the immune response, a factor that suppresses cytotoxicity, a factor that inhibits the activity of a protease, and the like.
- DNA encoding an amino acid sequence more preferably, a factor that suppresses the blood coagulation reaction, a factor that enhances the fibrinolytic system, a factor that suppresses the complement activation reaction, and suppresses cell damage caused by active oxygen. Examples include DNAs encoding amino acid sequences of factors and factors that inhibit the activity of proteases.
- factors involved in the blood coagulation reaction system and Z or factors inhibiting the blood coagulation reaction include TM, the second region of UTI, ⁇ , TF ⁇ I, etc., and modified and mutant forms thereof. And derivatives.
- Factors involved in the fibrinolytic system or factors that enhance the fibrinolytic system include tPA, UK, etc., as well as their variants, mutants and derivatives.
- Factors involved in the immune response include UTI and UTI, which inhibit proteolytic enzymes derived from immunocompetent cells, such as complement control factors such as MCP and DAF, which are factors that suppress complement activation. Two regions and the like, as well as their variants, mutants and derivatives are included.
- Factors that inhibit cell damage caused by reactive oxygen species and / or factors that inhibit the activity of proteolytic enzymes include UTI, the second region of UTI, SLP I, etc., and modified, mutant, and derivatives thereof. be able to.
- factors that suppress cell damage due to active oxygen include SOD, lipase, and the like, as well as factors having an active oxygen scavenging effect of modified, mutant, and derivatives thereof.
- a typical example of a more preferable combination is a nucleic acid in which the nucleotide sequence of SEQ ID NO: 16 to 20 or SEQ ID NO: 26 is linked to the 3 ′ side of the nucleotide sequence of SEQ ID NO: 21 or SEQ ID NO: 27 to 29. And a DNA sequence consisting of a peptide sequence.
- Preferred examples of the DNA encoding the amino acid sequence of the novel peptide having an affinity for phosphatidylserine according to the fourth aspect of the present invention include the DNA sequences of SEQ ID NOs: 17, 18, and 26 Encoding the peptides of SEQ ID NOs: 6, 7, and 22, respectively).
- the present invention also provides a recombinant DNA comprising the DNA of the present invention, eg, a plasmid, an expression vector.
- the DNA of the present invention may have a base sequence in which one or more bases have been substituted based on the degeneracy of the genetic code.
- the peptide of the present invention when produced by a genetic engineering technique, it may have a base sequence in which one or more bases have been substituted so as to be a codon frequently used in a specific host cell.
- the DNA base sequence is described from the 5 'terminal side.
- A, G, C and T represent dexadenylic acid, dexguanylic acid, dexcitidylic acid and thymidylic acid, respectively.
- the agent of the present invention can be obtained by separately preparing a substance having an affinity for a specific phospholipid and a physiologically active substance, and then mixing or binding the two.
- a method of mixing or binding a substance having an affinity for a specific phospholipid with a physiologically active substance depends on the affinity of a substance having an affinity for a specific phospholipid for a specific phospholipid and a physiologically active substance.
- the activity of the active substance is not completely impaired Alternatively, any method may be used as long as the substance having an affinity for a specific phospholipid and the physiologically active substance are substantially combined to form the agent of the present invention.
- the substance having an affinity for a specific phospholipid of the present invention is preferably a peptide, and can be obtained by a method characterized by performing at least one step selected from the following.
- the DNA having the nucleotide sequence encoding the peptide of the present invention is prepared, for example, as follows. Unless otherwise specified, general techniques for genetic engineering are described in the written literature (eg, Molecular Clonin, al aboratory manu al, Second edition, T. maniatiseta 1., Cold Spri). ng Harbor La Laboratory Press (1 989)). Noh. First, cDNA prepared from mRNA extracted from human cells / human organs, or commercially available human cDNA library / human chromosomal DNA is referred to as type DNA.
- a DNA primer to which a base sequence or a restriction enzyme recognition site is added as necessary is chemically synthesized, and PCR is performed using the DNA as type I DNA to obtain the desired DNA.
- the PCR can be performed with reference to a written book (for example, PCR Protocols, A Guide to methods and applic ations s, Michael AI eta 1., Acedmic Press (1990)). .
- the process of introducing the obtained recombinant DNA into host cells is described in a written book (for example, "New Cell Engineering Experimental Protocol” (Cancer Research Division, Institute of Medical Science, The University of Tokyo, Shujunsha, 1999) ) Can be carried out according to a method generally used in the art described in the above, for example, the combi- gent cell method, the calcium phosphate method, the DEAE dextran method, or the electroporation method.
- the host cells to be introduced may be eukaryotic cells such as HeLa cells, COS cells, CHO cells, yeast and insect cells, and prokaryotic cells such as Escherichia coli and Bacillus subtilis.
- the host transformed with the expression vector can be cultured using a nutrient medium according to a known general method for culturing microorganisms, animal cells or insect cells.
- the peptide produced by the transformed host has been described in many literatures and books (eg, “Chemistry for Experimental Chemistry 1 Protein I” (edited by The Biochemical Society of Japan, Tokyo Kagaku Dojin, 1990)). It can be purified, isolated and recovered from the culture mixture with reference to the described method. That is, at least one method selected from desalting, concentration, salting out, ultrafiltration, ion exchange chromatography, reversed phase chromatography, isoelectric focusing, affinity chromatography and gel filtration. Can be used to obtain the said peptide in pure form.
- Chemical substances having pharmacological action can be obtained by chemical synthesis. If it is difficult to obtain by chemical synthesis or the cost of chemical synthesis is extremely high, extract, separate and purify from natural products, or cultivate microorganisms and separate and separate from the culture supernatant. It can also be obtained by refinement.
- the novel peptide having an affinity for the phosphatidylserine of the present invention can bind a physiologically active substance, its aggregate or its inclusion body to an abnormal cell, for example, by binding it to a biologically active substance or its aggregate or inclusion body. It provides a means that allows selective accumulation on the surface of damaged, denatured or activated cells. For example, when a physiologically active substance is contained in an inclusion body, a substance having an affinity for a specific phospholipid is modified with a substance having an affinity for a component constituting a skeleton of the inclusion body, and then the physiologically active substance is modified.
- the dose of the drug of the present invention can be appropriately adjusted depending on the physiologically active substance contained in the drug and the condition of the patient.
- a site where a blood coagulation reaction is progressing a site where a so-called immune response reaction is progressing such as inflammation or activation and impairment of cells by immunocompetent cells, and a region which is damaged by active oxygen
- a so-called immune response reaction is progressing such as inflammation or activation and impairment of cells by immunocompetent cells
- a region which is damaged by active oxygen The above-mentioned method of selectively accumulating physiologically active substances on the surface of cells, tissues and organs at sites and sites where cell activation and impairment reactions are progressing by proteolytic enzymes to enhance the action and effect. It is an illustration of a new concept based drug delivery method or drug delivery system.
- the present invention provides a drug useful as an agent for preventing and treating a blood coagulation disorder, a disease accompanied by inflammation and an immune response, a novel peptide, DNA required for producing the same, and a method for producing the drug.
- the drug of the present invention is not limited to pharmaceuticals, and can be used, for example, as a clinical reagent or a research reagent.
- coli having pM851 which is a plasmid expressing human MCP, was established on January 22, 1992 in Tsukuba, Higashi 1-chome, Ichiban-cho, Ichiba, Japan. Deposited with the National Institute of Technology (Accession No. P-1227 15) and transferred from the original deposit to the International Depositary on February 18, 1993 (Accession No. FERM BP-4 195) o
- Peptides having the amino acid sequences of SEQ ID NOs: 5, 6, and 22 were solid-phase synthesized using an automatic peptide synthesizer (Type 43A, manufactured by Applied Biosystems). The operation method was in accordance with the attached operation manual unless otherwise specified. Cleavage was performed, deprotection was performed, and the peptide was precipitated in ether. Then, the ether was removed and lyophilized.
- the yields were 10 mg, 6111 and 12 mg, respectively.
- RNA was extracted by the guanidine thiosine method.
- oligo dT cellulose Type 7, manufactured by Pharmacia
- poly A + RNA was purified by passing through a column twice.
- single-stranded cDNA was synthesized using this poly A + RNA as a material. That is, single-strand cDNA was prepared from 10 g of poly A + RNA by reverse transcriptase using oligo dT as a primer according to a conventional method.
- pUC118-TM was digested with restriction enzymes Sa1I and EcoRI, and a DNA fragment having a length of about 1.7 kbp was separated and purified by agarose electrophoresis according to a conventional method.
- pc DL-SRa 296 Y. Takebeeta l., MoI. Cell. Biol., Vol. 8, 466 (1988)
- the human TM expression vector pSRa-TM was constructed by introducing the plasmid with the Ps t I —3 & 11 linker (5 '—chome0-8c8-8-3') purified by the column (described above). The process is shown in Figure 3).
- the pUC118-TM prepared in Example 2 was digested with the restriction enzymes Bsml and EcoRI, separated by agarose gel electrophoresis, and the recovered DNA fragment of about 4.6 kbp and the fragment A were subjected to a conventional method.
- the ligation was performed according to the procedure described above to obtain pUC118-TMsub1.
- the pUC118-TMsubl was digested with restriction enzymes M1uI and EcoRI, separated by agarose electrophoresis, and recovered, and a DNA fragment of about 0.8 kbp was prepared in Example 2.
- pSRa-TM was digested with restriction enzymes M1uI and EcoRI, separated by agarose electrophoresis, and the recovered DNA fragment of about 4.4 kbp was ligated in accordance with a conventional method, and pSR-TMsub1 I got Furthermore, the pSR-TMsub1 was digested with restriction enzymes NspV and EcoRI, separated by agarose gel electrophoresis, and the recovered DNA fragment of about 5.2 kbp and fragment B were used in a conventional manner. And ligation was performed to obtain pMl 350 (the construction process is shown in FIG. 6).
- This plasmid contains a DNA consisting of a nucleotide sequence in which the nucleotide sequence of SEQ ID NO: 16 is linked to the 3 'side of the nucleotide sequence of SEQ ID NO: 21, and using this, the amino acid of SEQ ID NO: 4 can be used.
- the human F act0 r VI gene was sequenced based on the known human F act0 r VI gene sequence (Wili am I. Wo odeta 1., Nature, Vol. 31, 32, 330 (1994)).
- Two types of DNA primers (S4 and A4, Fig. 1 and Fig. 2) corresponding to a part of the nucleotide sequence of the actor ⁇ i gene and a part of the nucleotide sequence of the human Fact0r1 gene
- a total of four DNA primers S5 and A5, FIGS. 1 and 2) that corresponded and contained an appropriate restriction enzyme recognition site at the 5 ′ end were prepared using a chemical synthesizer (described above).
- A5 contains the DNA sequence corresponding to the stop codon.
- the synthesized DNA primer was purified using a 0PC column (described above).
- DNA primers S4 and A4 were chemically synthesized as sense primers and antisense primers, respectively.
- PCR was performed using the same reaction solution as in Table 1 to amplify the cDNA encoding the region including the human Factor 0 rC2 region.
- Gene amplification was performed using a thermal cycler (described above) by repeating the reaction cycle 40 times for 1 minute at 94 ° C, 2 minutes at 55 ° C, and 3 minutes at 72 ° C. A part of the solution was taken, and it was confirmed by agarose electrophoresis that DNA of at least the target size was amplified.
- the DNA fragment obtained by PCR was used as type I DNA, and the same reaction mixture as in Table 1 was used using the chemically synthesized DNA primers S5 and A5 as sense primers and antisense primers, respectively.
- PCR was performed to selectively amplify cDNA encoding the human Fa cto rHC2 region. Gene amplification was carried out by repeating the reaction cycle 30 times at 94 ° C for 1 minute, at 55 ° C for 2 minutes, and at 72 ° C for 3 minutes using the thermal cycler (described above). Then, a part of the reaction solution was taken, and it was confirmed by agarose electrophoresis that the DNA of the target size was amplified.
- pUC118-TMsub2 was obtained. Subsequently, the pUC118-TMsub2 was digested with restriction enzymes MluI and NspV, separated by agarose gel electrophoresis and recovered, and a DNA fragment of about 1.2 kbp was collected.
- the prepared pMl350 was digested with restriction enzymes MluI and NspV, separated by agarose gel electrophoresis, and the recovered DNA fragment of about 4.5 kbp was ligated with a conventional method to obtain PM135. (The construction process is shown in Figure 7).
- This plasmid contains DNA consisting of a nucleotide sequence in which the nucleotide sequence of SEQ ID NO: 20 is linked to the 3 'side of the nucleotide sequence of SEQ ID NO: 21, and using this, the amino acid sequence of SEQ ID NO: 4 can be used. It is possible to produce soluble human TM (hereinafter referred to as rsTMC2) having an affinity for phosphatidylserine, which is a peptide consisting of an amino acid sequence having the amino acid sequence of SEQ ID NO: 9 linked to the C-terminus. it can.
- a DN corresponding to a part of the base sequence of the human Factor II gene and containing an appropriate restriction enzyme recognition site at the 5 'end.
- a primer S6, Fig. 1
- the synthesized DNA primer was purified using an OPC column (described above).
- the pUC118-TMsub3 was digested with restriction enzymes MluI and NspV, separated by agarose electrophoresis, and recovered, and a DNA fragment of about 0.9 kbp was collected.
- ) was digested with restriction enzymes M1 uI and NspV, separated by agarose gel electrophoresis, and the recovered DNA fragment of about 4.5 kbp was ligated by a conventional method. 356 was obtained (the construction process is shown in Figure 8).
- F5 to F8, Fig. 4 Four types of single-stranded DNA (F5 to F8, Fig. 4) were synthesized using a chemical synthesizer (described above), and F5 and F6 and F7 and F8 were annealed according to a conventional method, respectively.
- NspV cut surface DNA fragment C of about 60 bp having EcoRI cut surface at Z3 'end, and NspV cut surface at 5' end EcoRI cut surface at Z3 'end A 90 bp long DNA fragment D was obtained.
- This plasmid contains DNA consisting of a nucleotide sequence in which the nucleotide sequence of SEQ ID NO: 17 is linked to the 3 ′ side of the nucleotide sequence of SEQ ID NO: 21, and using this, the amino acid sequence of SEQ ID NO: 4 can be used.
- a soluble human TM hereinafter referred to as rsTMTd
- rsTMTd having an affinity for phosphatidylserine, which is a peptide consisting of an amino acid sequence having the amino acid sequence of SEQ ID NO: 6 linked to the C-terminus of the peptide, can be produced.
- Example 3-p SRa—TMs ub 2 prepared in (4) was replaced with restriction enzymes N sp V and The approximately 5.3-kbp DNA fragment digested with EcoRI, separated and collected by agarose electrophoresis, and fragment C prepared in Example 3-4) were ligated according to a conventional method, and pSR ⁇ -TM sub 3 was obtained. Subsequently, this pSR-TMsub3 was digested with restriction enzymes NspV and EcoRI, separated by agarose gel electrophoresis, and recovered, and a DNA fragment of about 5.4 kbp, which was prepared in Example 3- (4) The fragment F thus obtained was ligated according to a conventional method to obtain pMl 355 (the construction process is shown in FIG. 10).
- This plasmid contains DNA consisting of a nucleotide sequence in which the nucleotide sequence of SEQ ID NO: 18 is linked to the 3 'side of the nucleotide sequence of SEQ ID NO: 21.
- a soluble human TM hereinafter, referred to as rsTMT d-3) having an affinity for phosphatidylserine, which is a peptide consisting of an amino acid sequence having an amino acid sequence of SEQ ID NO: 7 linked at the end, can be produced.
- Two single-stranded DNAs (9 and? 10, Fig. 4) were synthesized using a chemical synthesizer (described above), and F9 and F10 were annealed according to a conventional method.
- An approximately 60 bp long DNA fragment E having an EcoRI cut surface at the 3 'end was obtained.
- this fragment E and pMl 354 prepared in Example 3- (4) were digested with restriction enzymes NspV and EcoRI, separated by agarose gel electrophoresis, and recovered at about 5.3 kbp.
- the DNA fragment was ligated in a conventional manner to obtain pM1358 (the construction process is shown in FIG. 14).
- This plasmid contains a DNA consisting of a nucleotide sequence in which the nucleotide sequence of SEQ ID NO: 26 is linked to the 3 'side of the nucleotide sequence of SEQ ID NO: 21.
- Soluble human TM hereinafter referred to as rsTM TdD
- rsTM TdD Soluble human TM having an affinity for phosphatidylserine, which is a peptide comprising an amino acid sequence having the amino acid sequence of SEQ ID NO: 2 linked to the C-terminus
- the pUC118-sTM was digested with restriction enzymes M1uI and EcoRI, separated by agarose gel electrophoresis, and collected with a DNA fragment of about 0.8 kbp, which was prepared in Example 2.
- the obtained pSR ⁇ -TM was digested with restriction enzymes ⁇ 1 uI and Ec0RI, separated by agarose electrophoresis, and ligated with the recovered DNA fragment of about 4.4 kbp according to a conventional method. PMl 399 was obtained.
- This plasmid contains DNA having the nucleotide sequence of SEQ ID NO: 21, and is used to produce unmodified soluble human TM of SEQ ID NO: 4 (hereinafter referred to as rsTM). it can.
- the plasmids pM1350 and pMl 3 prepared in Examples 3 and 4 were used. 57, pM1 356, pM1 354, pM1 355, 0 ⁇ 1 358 and] ⁇ 1 399 were each applied to COS-1 cells (ATCCCRL-1650) by the DEAE dextran method (Lau ren M. Somp ay raceta). Natl. Acad. Sci. USA, Vol. 78, 7575 (1 981) with some modifications) and transphosphonated to phosphatidyl. The soluble human TM having affinity for serine and the unmodified soluble human TM were expressed.
- DMEM Dulbecco's modified Eagle's medium containing 1 0% fetal calf serum
- the active fraction was eluted with a 0.02 M Tris-HCl buffer by a linear gradient method, and soluble human TM (rsTMVDk r sTMC2D, rsTMC2D, rsTMC2D, which has affinity for various purified phosphatidylserines) , RsTMTd-3, rsTMT dD) and unmodified soluble human TM (rsTM), respectively.
- COS-1 cell culture expressing 1 or unmodified soluble human TM If necessary, the supernatant was mixed with 251 diluted with COS-1 cell culture supernatant and heated at 37 ° C for 10 minutes.
- TIBS25z1 containing 12 U / m1 of human protein C (manufactured by American Diagnostica) was added, and the mixture was reacted at 37 ° C for 10 minutes.
- the protein C activation reaction was stopped by adding TIBS 100/1 containing 0.15 U / m1 and heparin (Mochida Pharmaceutical) 15 U / m1. Stop reaction is continued for 10 minutes at 37 ° C.
- COS-1 cell culture supernatant was diluted with COS-1 cell culture supernatant as necessary.
- COS-1 cell culture supernatant expressing 25 1 or unmodified soluble human TM If necessary, add 25 1 diluted with COS-1 cell culture supernatant, and incubate for 2 hours at 37. Then, add TIBS 25 U1 containing 40 U / m1 bovine thrombin and add 37 . C, reacted for 10 minutes. To this was added TIBS 25 ⁇ 1 containing 12 U / m1 of human protein C, and the mixture was reacted at 37 ° C for 10 minutes. The activation promoting effect was measured.
- Ethanol in which phosphatidylserine is dissolved or ethanol in which phosphatidylcholine is dissolved is added to a 6-well microtiter plate (Immu 1 on I, manufactured by Dynatech) and air-dried. Per hole 1 g of phospholipid was immobilized. To this was added 200 mM 1 of 10 mM Tris-HCl buffer (pH 7.4) containing 1% 8.3 and 0.15 M NaCl, and blocking was performed at 37 for 2 hours. After removing the blocking solution, the rsTMC2-expressed C0S-1 cell culture supernatant prepared in Example 5 was added with a 20% aqueous BSA solution to a final concentration of 1% BSA.
- the primary antibody was an anti-human TM monoclonal antibody (24 FM, manufactured by Cellbio), and the secondary antibody was horseradish veroxidase-labeled anti-mouse.
- an IgG antibody P0260, manufactured by Dako
- NJ-2100 a spectrophotometer
- Known humans nucleotide sequences encoding microglobulin (K aume yer, J. F. eta l., Nucl. Acids Res., Vol. 14, 7839 (1996)) as a reference, the nucleotide sequence of the gene encoding the human human microglobulin signal peptide.
- human UTI was co-referenced with reference to the known human UTI gene base sequence (Kaumeyer, JFeta l., Ucl. Acids Res., Vol.
- a DNA primer (A6, Fig. 2) corresponding to part of the base sequence of the gene to be loaded and containing an appropriate restriction enzyme recognition site at the 5 'end was prepared using a chemical synthesizer (described above). A6 contains the DNA sequence corresponding to the stop codon. The synthesized DNA primer was purified by OPC column (described above).
- a DNA primer containing an enzyme recognition site S8, Fig. 1
- a primer A7, Fig. 2 was prepared using a chemical synthesizer (described above).
- A7 contains the DNA sequence corresponding to the stop codon.
- the synthesized DNA primer was purified using an OPC column (described above).
- PCR was performed using the above-described pMl212 as type II DNA and the reaction solution composition shown in Table 1 (described above), and a human UT I cDNA having a human ⁇ -microglobulin signal peptide was obtained.
- Table 1 the reaction solution composition shown in Table 1 (described above)
- Gene amplification was performed using a thermal cycler (described above) by repeating the reaction cycle 25 times at 94 ° C for 30 seconds, 55 ° C for 30 seconds, and 72 ° C for 1 minute. A portion of the DNA was taken and it was confirmed by agarose electrophoresis that the DNA of the desired size had been amplified.
- the gene amplified from the reaction solution was purified and recovered by phenol / cloth form treatment, ethanol precipitation, digested with XbaI / NotI, and subjected to agarose gel electrophoresis to a concentration of about 0.5.
- a DNA fragment having a kbp length was separated and purified.
- pEF—BOS S. Mizushi ma eta 1., Nucleic A cids
- pEF-BOS2A an improved vector of pEF-BOS2A, inserted between the closing sites XbaI—NotI
- a human UTI expression vector pMl213 was constructed (the construction process is shown in Figure 15).
- pEF-BOS2A has the promoter region of human polypeptide chain elongation factor 1 and the SV40 polyA addition signal sequence.
- pM1213 contains DNA having the nucleotide sequence of SEQ ID NO: 28, and can be used to produce unmodified UTI of SEQ ID NO: 24 (hereinafter referred to as rUTI) .
- this pUC1191-Multi was digested with restriction enzymes Ec47IE and NotI, separated by agarose gel electrophoresis, and recovered with a DNA fragment of about 3.2 kbp.
- the pMl213 prepared in Example 10 was digested with restriction enzymes Ec47 0 and NotI, separated by agarose electrophoresis, and collected with a DNA fragment of about 0.5 kbp according to a conventional method. The mixture was religated to obtain pUC119-UTI-subl.
- a gene encoding human UTI is referred to.
- Primers S9, Fig. 1) corresponding to a part of the nucleotide sequence of the gene encoding human F actor and the nucleotide sequence of the gene encoding human F actor rll
- a DNA primer (A8, Fig. 2) corresponding to a part of the sequence and containing an appropriate restriction enzyme recognition site at the 5 'end was prepared using a chemical synthesizer (described above).
- A8 contains the DNA sequence corresponding to the stop codon.
- the synthesized DNA primer was purified using a 0PC column (described above).
- PCR was performed using the pMl 357 prepared in Example 3- (2) as type I DNA according to the reaction solution composition shown in Table 1 (described above), and A DNA fragment of about 0.6 kbp containing the! C2 region and having a region corresponding to a part of the base sequence of the gene encoding human UTI at the 5 'end was amplified.
- Gene amplification was performed at 94 ° using the thermal cycler (described above). The reaction cycle was repeated 30 times for 1 minute at 55 ° C for 2 minutes and at ⁇ 2 ° C for 3 minutes.After the reaction was completed, a part of the reaction solution was taken and the target size was determined by agarose gel electrophoresis. It was confirmed that the DNA was amplified.
- the gene amplified from the reaction solution was purified and recovered by phenol / cloth form treatment, ethanol precipitation, and digested with the restriction enzymes BsgI and NotI, followed by pUC119-UTI-sub1 described above.
- this pUC119-UTI-C2-sub1 was digested with restriction enzymes Eco47 ⁇ and NotI, separated by agarose gel electrophoresis, and collected to obtain a DNA fragment of about 1.0 kbp.
- PMl 13 prepared in Example 10 was digested with restriction enzymes Ec 047 ⁇ and Not I, separated by agarose gel electrophoresis, and recovered.
- the 4.0 kbp DNA fragment was ligated according to a conventional method to obtain pM138 (the construction process is shown in FIG. 16).
- This plasmid contains a DNA consisting of a nucleotide sequence in which the nucleotide sequence of SEQ ID NO: 20 is linked to the 3 'side of the nucleotide sequence of SEQ ID NO: 28. It is possible to produce human UTI (hereinafter, referred to as rUTIC2) having an affinity for phosphatidylserine, which is a peptide comprising an amino acid sequence having an amino acid sequence of SEQ ID NO: 9 linked to the terminal.
- rUTIC2 human UTI
- the plasmids pMl380 and pMl213 produced in Examples 11 and 10 were transfused into COS-1 cells (described above) by the DEAE dextran method (described above), respectively.
- the collected culture solution was desalted and concentrated using an ultrafiltration membrane with a molecular weight cut-off of 10,000, and pre-equilibrated with a 10 mM phosphate buffer (pH 7.5) to an anti-UTI antibody-Sepharose column. And the active fraction was adsorbed. Then, after washing with 1 OmM phosphate buffer (pH 7.5) containing 0.5 M NaCl, 0.1 M citrate containing 0.1 M citrate (pH 2.0) and 3 M potassium thiocyanate. Eluted the active fraction.
- the eluted active fraction was dialyzed against 1 OmM phosphate buffer (pH 7.5), and human UTI (r UTIC 2), which has affinity for purified phosphatidylserine, and unmodified human UTI (r UT I) were obtained.
- Two single-stranded DNAs (F15 and F16, Fig. 5) were synthesized using a chemical synthesizer (as described above), and F15 and F16 were annealed according to a conventional method.
- a DNA fragment H having a length of about 70 bp and having an Ap aI cleavage surface at the 3 ′ end was obtained.
- pUC119-UTI-subl obtained in Example 11 was digested with restriction enzymes Ec047 ⁇ and ApaI, separated by agarose electrophoresis and recovered to obtain about 3.4 kbp.
- the DNA fragment and the fragment H were ligated according to a conventional method to obtain pUC119-R-020-sub1.
- pUC119-R-020-subl was digested with restriction enzymes Eco47 N and NotI, separated and recovered by agarose electrophoresis, and collected with a DNA fragment of about 0.2 kbp.
- the PM1213 prepared in Step 10 was digested with restriction enzymes Eco47 ⁇ and Not I, The DNA fragment of about 4.0 kbp separated and recovered by electrophoresis was ligated according to a conventional method to obtain pMl370 (the construction process is shown in FIG. 17).
- pMl370 contains DNA having the nucleotide sequence of SEQ ID NO: 27, which allows the use of A1 at the N-terminus of the second region of the unmodified human UTI represented by SEQ ID NO: 23.
- rR0 0 0 11-amino acid-added polypeptide
- the PUC119-R-020-subl prepared in Example 13 was digested with restriction enzymes BsI and NotI, separated by agarose gel electrophoresis, and collected with an approximately 3.3 kbp DNA fragment.
- the pUC119-UTI-C2-sub1 prepared in Example 11 was digested with the restriction enzymes BsgI and NotI, separated by agarose electrophoresis, and recovered at about 0.5 kbp.
- the DNA fragment was ligated according to a conventional method to obtain pUC119-R-020-C2-sub.
- the pUCl19-R-020-C2-subl was digested with restriction enzymes Eco47IE and NotI, separated by agarose electrophoresis, and recovered to obtain about 0.8 kb p.
- DNA fragment of about 4.0 kbp which was digested with p47 and the restriction enzyme Eco47IE and NotI, separated by agarose gel electrophoresis, and collected.
- the fragment was ligated according to a conventional method to obtain pM1371 (the construction process is shown in FIG. 18).
- This plasmid contains the nucleotide sequence of SEQ ID NO: 20 on the 3 'side of the nucleotide sequence of SEQ ID NO: 27.
- rR-020C2 A second region of human UTI (hereinafter referred to as rR-020C2) can be produced.
- the plasmids pMl371 and pMl370 prepared in Examples 14 and 13 were transfused into COS-1 cells (described above) by the DEAE dextran method (described above), respectively.
- a second region of human UTI with affinity for phosphatidylserine and a second region of unmodified human UTI were expressed.
- the culture supernatant contains the second region of human UTI (rR-), which has affinity for various phosphatidylserines. 020 C 2) and the second region of unmodified human UTI (rR-020) were contained in amounts of 1 to 5 g / ml, respectively.
- the collected culture solution was desalted and concentrated using an ultrafiltration membrane with a molecular weight cut-off of 3,000, and an anti-UTI antibody-sepharose column pre-equilibrated with 10 mM phosphate buffer (pH 7.5) was used. And the active fraction was adsorbed. Then, after washing with 1 OmM phosphate buffer (pH 7.5) containing 0.5 M NaCl, 0.1 M citrate containing 0.1 M citrate (pH 2.0) and 3 M potassium thiocyanate. Eluted the active fraction.
- the eluted active fraction was dialyzed against 10 mM phosphate buffer (pH 7.5), and the second region (rR-R) of human UTI having affinity for purified phosphatidylserine was purified. 020C2) and the second region of unmodified human UTI (rR-020) were obtained, respectively.
- Bovine trypsin manufactured by Sigma
- LXL 0 6 or Zm 1 become as those suspended 0.5 to 4 9m l , 1 3 2 ⁇ M cytochrome C, 2 mM glucose, 2mM C a C 1 2, 5 mM human UT I (rUT IC 2) having an affinity for phosphatidylserine according to HEPES and example 1 2 Wakashi Ku is Add 0.5 ml of physiological saline (pH 7.4) containing the culture supernatant of C0S-1 cells expressing unmodified human UTI (rUTI), and react at 37 ° C for 3 minutes.
- a buffer B containing 25 mg of ribosome containing 75% of phosphatidylcholine as a phospholipid was added. Heated at 37 ° C for 10 minutes.
- expression was performed in a C0S-1 cell culture supernatant or Escherichia coli expressing the second region (rR-020C2) of human UTI having an affinity for phosphatidylserine described in Example 15 ⁇
- a buffer B 50 at I containing 60% of prothrombin manufactured by Enzyme Lisa Laboratories
- the thrombin production reaction was stopped by adding buffer B3001 containing the same.
- the solution obtained after termination of the reaction obtained in the above-mentioned thrombin production reaction was heated at 37 ° C for 10 minutes at 100 ° C, and then the 1.5 mM synthetic substrate S—2238 was added.
- the second region of human UTI having affinity for the phosphatidylserine of the present invention was expressed in E. coli and purified from human UTI consisting of the amino acid sequence of SEQ ID NO: 23. It was found that the prothrombinase activity inhibitory effect was approximately 10 times higher than that of the two regions (described above) (FIG. 20).
- the second region (rR-020C2) of human UTI having affinity for phosphatidylserine and unmodified The inhibitory effect of the second region (rR-020) of human UTI on prothrombinase activity was measured.
- the second region (rR-020C2) of human UTI having an affinity for the phosphatidylserine of the present invention specifically inhibits the prothrombinase activity of phosphatidylserine. It became clear that the effect was promoted.
- pUC199-sMCP (D) described in International Patent Application Publication WOZ93 / 171222 was digested with restriction enzymes Ec081I and Hindm, followed by agarose-electrophoresis.
- the DNA fragment of about 3.6 kbp and the fragment I separated and recovered by the above procedure were ligated according to a conventional method to obtain pUC19-sMCP (D) -C2-sub1.
- the PUC19-sMCP (D) -C2-sub1 was digested with restriction enzymes SphI and NspV, separated by agarose gel electrophoresis, and collected to obtain a DNA fragment of about 3.7 kbp.
- the pMl 357 prepared in Example 3 (2) was digested with the restriction enzymes SphI and NspV, separated by agarose electrophoresis, and the recovered DNA fragment of about 0.4 kbp was ligated with a Ligation product according to a conventional method. Then, pUC 19-sMC P (D)-C 2-sub 2 was obtained. Subsequently, the pUC19-sMCP (D) -C2-sub2 was digested with the restriction enzymes NspV and KpnI, separated by agarose gel electrophoresis, and collected with an approximately 4.0 kbp DNA fragment. The fragment J was ligated with a conventional method to obtain pUC 19 -sMCP (D) -C 2.
- this pUC19-sMCP (D) -C2 was digested with restriction enzymes EcoRI and KpnI, and agarose was digested. Approximately 1.5 kbp DNA fragment separated and recovered by electrophoresis and pM851 described in International Patent Application Publication WOZ93 / 171222 were subjected to restriction enzymes EcoRI and Kpn. The DNA fragment of about 4. O kbp, which was digested with I and separated and collected by agarose electrophoresis, was ligated according to a conventional method to obtain pMl390 (the construction process is shown in FIG. 22).
- This plasmid contains a DNA consisting of a nucleotide sequence in which the nucleotide sequence of SEQ ID NO: 20 is linked to the 3 'side of the nucleotide sequence of SEQ ID NO: 29, and using this, the C-terminal of the amino acid sequence of SEQ ID NO: 25
- rsMCP (D) C2 a soluble human MCP having affinity for phosphatidylserine which is a peptide consisting of an amino acid sequence in which the amino acid sequence of SEQ ID NO: 9 is linked to Can be.
- Plasmid pMl390 prepared in Example 20 and pM851 described in International Patent Application Publication No. WOZ93 / 1171222 were each subjected to DEAE dextran method on C0S-11 cells (described above). (Previously described), the soluble human MCP (rsMCP (D) C2) and the unmodified soluble human MCP (rsMCP ( D)) was expressed.
- the collected culture solution was purified according to the method described in International Patent Application Publication WO / 93/117122, and a soluble human MCP having affinity for phosphatidylserine (rsMCP (D) C2) And unmodified soluble human MCP (rsMCP (D)), respectively.
- a drug useful as a prophylactic and therapeutic agent for a blood coagulation disorder a disease accompanied by inflammation and an immune response, a novel peptide, DNA required for producing the same, and a method for producing the drug. it can.
- Sequence type nucleic acid
- Sequence type nucleic acid
- Sequence type nucleic acid
- Sequence type nucleic acid
- Sequence type nucleic acid
- Sequence type nucleic acid
- Sequence type nucleic acid
- Sequence type nucleic acid Sequence type: cDNA to mRNA (C2D)
- Sequence type nucleic acid
- Tyr Tyr Glu lie Gly Glu Arg Val Asp Tyr Lys Cys Lys Lys Gly Tyr Phe Tyr
- Sequence type nucleic acid
- Sequence type nucleic acid
- Sequence type nucleic acid
- GCCTGCAATC TCCCCATAGT CCGGGGCCCC TGCCGAGCCT TCATCCAGCT CTGGGCATTT 300
- Sequence type nucleic acid
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Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98900156A EP0965597A4 (en) | 1996-12-27 | 1998-01-05 | CELL MEMBRANE EFFECTIVE DRUGS |
| US09/331,793 US6500646B1 (en) | 1996-12-27 | 1998-01-05 | Cell membrane-directed drugs |
| CA002276091A CA2276091A1 (en) | 1996-12-27 | 1998-01-05 | Cell membrane-directed drugs |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35905396 | 1996-12-27 | ||
| JP8/359053 | 1996-12-27 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US09/331,793 A-371-Of-International US6500646B1 (en) | 1996-12-27 | 1998-01-05 | Cell membrane-directed drugs |
| US10/298,796 Division US20030220490A1 (en) | 1996-12-27 | 2002-11-19 | Cell membrane directed drugs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1998029453A1 true WO1998029453A1 (en) | 1998-07-09 |
Family
ID=18462498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1998/000002 Ceased WO1998029453A1 (en) | 1996-12-27 | 1998-01-05 | Cell membrane-directed drugs |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US6500646B1 (ja) |
| EP (1) | EP0965597A4 (ja) |
| CA (1) | CA2276091A1 (ja) |
| WO (1) | WO1998029453A1 (ja) |
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| WO2000002587A1 (en) * | 1998-07-13 | 2000-01-20 | Board Of Regents, The University Of Texas System | Cancer treatment methods using therapeutic conjugates that bind to aminophospholipids |
| WO2001012836A1 (en) * | 1999-08-13 | 2001-02-22 | Fred Hutchinson Cancer Research Center | Crystal of a truncated protein construct containing a coagulation factor viii c2 domain in the presence or absence of a bound ligand and methods of use thereof |
| US6406693B1 (en) | 1998-07-13 | 2002-06-18 | Board Of Regents, The University Of Texas System | Cancer treatment methods using antibodies to aminophospholipids |
| US6818213B1 (en) | 1998-07-13 | 2004-11-16 | Board Of Regents, The University Of Texas System | Cancer treatment compositions comprising therapeutic conjugates that bind to aminophospholipids |
| WO2012029855A1 (ja) * | 2010-09-01 | 2012-03-08 | 国立大学法人京都大学 | 血液凝固調節物質のスクリーニング方法 |
| US8486391B2 (en) | 1998-07-13 | 2013-07-16 | Board Of Regents, University Of Texas System | Cancer treatment kits using antibodies to aminophospholipids |
| WO2015170778A1 (ja) * | 2014-05-08 | 2015-11-12 | 学校法人日本大学 | ホスファチジルセリンの細胞表面への表出促進剤又は表出抑制剤、及び脂質ラフトのクラスター形成抑制剤 |
| JP2015214500A (ja) * | 2014-05-08 | 2015-12-03 | 学校法人日本大学 | 脂質ラフトのクラスター形成抑制剤 |
| JP2015214499A (ja) * | 2014-05-08 | 2015-12-03 | 学校法人日本大学 | ホスファチジルセリンの細胞表面への表出抑制剤 |
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- 1998-01-05 WO PCT/JP1998/000002 patent/WO1998029453A1/ja not_active Ceased
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| US6406693B1 (en) | 1998-07-13 | 2002-06-18 | Board Of Regents, The University Of Texas System | Cancer treatment methods using antibodies to aminophospholipids |
| US6783760B1 (en) | 1998-07-13 | 2004-08-31 | Board Of Regents, The University Of Texas System | Combined cancer treatment methods using therapeutic conjugates that bind to aminophospholipids |
| US6818213B1 (en) | 1998-07-13 | 2004-11-16 | Board Of Regents, The University Of Texas System | Cancer treatment compositions comprising therapeutic conjugates that bind to aminophospholipids |
| US7067109B1 (en) | 1998-07-13 | 2006-06-27 | Board Of Regents, The University Of Texas System | Cancer treatment kits comprising therapeutic conjugates that bind to aminophospholipids |
| US7422738B2 (en) | 1998-07-13 | 2008-09-09 | Board Of Regents, The University Of Texas System | Combined cancer treatment methods using antibodies to aminophospholipids |
| US7550141B2 (en) | 1998-07-13 | 2009-06-23 | Board Of Regents, The University Of Texas System | Methods for imaging tumor vasculature using conjugates that bind to aminophospholipids |
| US8486391B2 (en) | 1998-07-13 | 2013-07-16 | Board Of Regents, University Of Texas System | Cancer treatment kits using antibodies to aminophospholipids |
| WO2000002587A1 (en) * | 1998-07-13 | 2000-01-20 | Board Of Regents, The University Of Texas System | Cancer treatment methods using therapeutic conjugates that bind to aminophospholipids |
| US8709430B2 (en) | 1998-07-13 | 2014-04-29 | Board Of Regents, The University Of Texas System | Cancer treatment kits comprising therapeutic antibody conjugates that bind to aminophospholipids |
| WO2001012836A1 (en) * | 1999-08-13 | 2001-02-22 | Fred Hutchinson Cancer Research Center | Crystal of a truncated protein construct containing a coagulation factor viii c2 domain in the presence or absence of a bound ligand and methods of use thereof |
| WO2012029855A1 (ja) * | 2010-09-01 | 2012-03-08 | 国立大学法人京都大学 | 血液凝固調節物質のスクリーニング方法 |
| JP5855003B2 (ja) * | 2010-09-01 | 2016-02-09 | 国立大学法人京都大学 | 血液凝固調節物質のスクリーニング方法 |
| JP2015214500A (ja) * | 2014-05-08 | 2015-12-03 | 学校法人日本大学 | 脂質ラフトのクラスター形成抑制剤 |
| JP2015214499A (ja) * | 2014-05-08 | 2015-12-03 | 学校法人日本大学 | ホスファチジルセリンの細胞表面への表出抑制剤 |
| WO2015170778A1 (ja) * | 2014-05-08 | 2015-11-12 | 学校法人日本大学 | ホスファチジルセリンの細胞表面への表出促進剤又は表出抑制剤、及び脂質ラフトのクラスター形成抑制剤 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0965597A4 (en) | 2003-01-08 |
| US20030220490A1 (en) | 2003-11-27 |
| EP0965597A1 (en) | 1999-12-22 |
| US6500646B1 (en) | 2002-12-31 |
| CA2276091A1 (en) | 1998-07-09 |
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