WO2024101919A1 - 전분화능 줄기세포에서 자연살해세포로의 분화 유도용 배지 조성물 및 이를 이용한 분화 방법 - Google Patents
전분화능 줄기세포에서 자연살해세포로의 분화 유도용 배지 조성물 및 이를 이용한 분화 방법 Download PDFInfo
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Definitions
- the present invention relates to a medium composition for inducing differentiation from pluripotent stem cells into natural killer cells.
- cancer immunotherapy which has recently emerged, is a treatment that utilizes the body's own immune system to more specifically eliminate cancer cells by minimizing damage to normal cells, and is a treatment in various specific fields (antibody therapy, immune cell therapy, Research on viral immunotherapy, nanotechnology immunotherapy, etc.) is actively underway.
- immune cell therapy includes lymphocytes obtained from the patient's blood, such as natural killer cells, natural killer T cells, T cells, B cells, dendritic cells, etc. It is a method of treating cancer by increasing the number of cells, strengthening their function in vitro, and returning them to the patient's body. Treatment using these immune cells shows good effects in regulating immune responses and is evaluated as excellent in terms of toxicity and safety.
- NK cells are important cells responsible for innate immunity, and unlike T cells, they mature in the liver and bone marrow. In particular, it has the function of identifying and killing abnormal cells such as virus-infected cells or tumor cells.
- natural killer cells are known to be difficult to culture and have limitations in that mass proliferation is difficult.
- pluripotent stem cells there are attempts to differentiate into natural killer cells using pluripotent stem cells, but in these cases, the differentiation efficiency into natural killer cells is low and the expression of natural killer cell-specific markers is low, so a method of increasing expression through artificial genetic manipulation is used. are being attempted.
- heterogeneous feeder cells are often used, so when applied as a therapeutic agent, the feeder cells may be mixed into the final product, causing safety problems.
- Patent Document 1 Republic of Korea Patent Publication No. 10-2022-0050672
- Patent Document 2 Republic of Korea Patent Publication No. 10-2019-0060412
- One aspect is a medium composition for inducing differentiation from pluripotent stem cells to natural killer cells, which contains a GSK inhibitor, BMP4 (Bone Morphogenetic Protein 4), VEGF (Vascular Endothelial Growth Factor), bFGF (Basic Fibroblast Growth Factor), and retinoic acid ( Retinoic acid), a TGF-beta inhibitor, polyvinyl alcohol (PVA), Stem Cell Factor (SCF), or a combination thereof; a first medium composition for inducing differentiation from pluripotent stem cells into hematopoietic stem cells; and a second medium composition for inducing differentiation from hematopoietic stem cells to natural killer cells, including SCF (Stem Cell Factor), IL7 (Interleukin7), IL15 (Interleukin15), FLT3L (FMS-like tyrosine kinase 3 ligand), or a combination thereof.
- GSK inhibitor BMP4 (Bone Morphogenetic Protein
- Another aspect is to provide a kit containing the first medium composition and the second medium composition.
- Another aspect includes a first step of inducing differentiation of pluripotent stem cells into hematopoietic stem cells by culturing pluripotent stem cells in the presence of the first medium composition; and a second step of inducing differentiation from hematopoietic stem cells into natural killer cells by culturing the hematopoietic stem cells in the presence of the second medium composition. It is provided.
- Another aspect is to provide natural killer cells or a cell population thereof differentiated from pluripotent stem cells by the above method.
- Another aspect is to provide a composition comprising the natural killer cells or a cell population thereof.
- One aspect is a medium composition for inducing differentiation from pluripotent stem cells to natural killer cells, which contains a GSK inhibitor, BMP4 (Bone Morphogenetic Protein 4), VEGF (Vascular Endothelial Growth Factor), bFGF (Basic Fibroblast Growth Factor), and retinoic acid ( Retinoic acid), a TGF-beta inhibitor, polyvinyl alcohol (PVA), Stem Cell Factor (SCF), or a combination thereof; a first medium composition for inducing differentiation from pluripotent stem cells into hematopoietic stem cells; and a second medium composition for inducing differentiation from hematopoietic stem cells to natural killer cells, including SCF (Stem Cell Factor), IL7 (Interleukin7), IL15 (Interleukin15), FLT3L (FMS-like tyrosine kinase 3 ligand), or a combination thereof.
- GSK inhibitor BMP4 (Bone Morphogenetic Protein
- Another aspect is to provide a kit containing the first medium composition and the second medium composition.
- Another aspect includes a first step of inducing differentiation of pluripotent stem cells into hematopoietic stem cells by culturing pluripotent stem cells in the presence of the first medium composition; and a second step of inducing differentiation from hematopoietic stem cells into natural killer cells by culturing the hematopoietic stem cells in the presence of the second medium composition. It is provided.
- Another aspect is to provide natural killer cells or a cell population thereof differentiated from pluripotent stem cells by the above method.
- Another aspect is to provide a composition comprising the natural killer cells or a cell population thereof.
- a medium composition for inducing differentiation from pluripotent stem cells into natural killer cells can improve the efficiency of differentiation into natural killer cells, and enables expression of NK-specific markers without using artificial feeders and without genetic manipulation. There is an effect that can improve.
- Figure 1 shows a schematic diagram of the process of differentiating pluripotent stem cells into natural killer cells.
- Figure 2 shows the results of confirming CD markers specific to natural killer cells after inducing differentiation from stem cells into natural killer cells.
- Figures 3a and 3b show the results of confirming the expression level of surface receptors and cytoplasmic granules of natural killer cells (PSC-NK cells: cells of Example 1, primary NK cells: cells of Comparative Example 3).
- Figure 4 shows the results of evaluating the cytotoxicity of natural killer cells in K562 cells (blood cancer cells) and A2780cis cells (ovarian cancer cells) (ES-NK: cells of Example 1, Cryo NK92MI: NK92MI cells).
- Figure 5 shows the results of evaluating the cytotoxicity of natural killer cells in SKOV3 cells (ovarian cancer cell line) (ESC-NK: cells of Example 1, CD34+ derived NK: derived using CD34 + cells isolated from UCB NK cells differentiated from pluripotent stem cells according to the method of Example 1), Cryo NK92MI: NK92MI cells).
- SKOV3 cells ovarian cancer cell line
- ESC-NK cells of Example 1
- CD34+ derived NK derived using CD34 + cells isolated from UCB NK cells differentiated from pluripotent stem cells according to the method of Example 1
- Cryo NK92MI NK92MI cells
- One aspect is a medium composition for inducing differentiation from pluripotent stem cells into natural killer cells, which contains a GSK (Glycogen synthase kinase 3) inhibitor, BMP4 (Bone Morphogenetic Protein 4), VEGF (Vascular Endothelial Growth Factor), and bFGF (Basic Fibroblast Growth).
- GSK Gene synthase kinase 3
- BMP4 Bone Morphogenetic Protein 4
- VEGF Vascular Endothelial Growth Factor
- bFGF Basic Fibroblast Growth
- First medium composition for inducing differentiation and a second medium composition for inducing differentiation from hematopoietic stem cells to natural killer cells, including SCF, IL7 (Interleukin7), IL15 (Interleukin15), FLT3L (FMS-like tyrosine kinase 3 ligand), or a combination thereof.
- SCF Session Initiation Cell
- IL7 Interleukin7
- IL15 Interleukin15
- FLT3L FLT3L
- the first medium composition may include one or more of the following compositions:
- each of the medium compositions (i) to (iv) can be used separately or simultaneously for differentiation of hematopoietic stem cells into natural killer cells.
- NK cells refers to cytotoxic lymphocytes that constitute a major component of the innate immune system, and are defined as large granular lymphocytes (LGL) and lymphoid progenitor cells ( Common lymphoid progenitor (CLP) constitutes a third group of cells differentiated from producing B and T lymphocytes.
- LGL large granular lymphocytes
- CLP Common lymphoid progenitor
- the “natural killer cells” or “NK cells” may include not only mature natural killer cells, but also natural killer progenitor cells.
- the natural killer cells are activated in response to interferon or macrophage-derived cytokines, and natural killer cells are labeled with “activating receptors” and “inhibitory receptors,” which control the cytotoxic activity of the cells. Contains surface receptors.
- the activity of natural killer cells means the occurrence or increase of the functions of natural killer cells, and refers to the ability to detect pathogenic cells, non-specific infectious pathogens, cancer cells, etc. and remove or kill them.
- the GSK inhibitor may include a substance listed in Table 1 below.
- ATP-competitive - Aminopyrimidines (CHIR99021 CHIR98014, CT98014, CT98023, CT99021, TWS119, etc.) - Derived from marine life (6-BIO, dibromocantharelin, hymenialdecine, indirubin, meridianin, etc.) - Arylindole maleimide (SB-216763, SB-41528, etc.), - Thiazole (AR-A014418, AZD-1080, etc.) - Paulones (Alsterpolone, Kazpolone, Kenpolone, etc.), - Aloysine Non-ATP competitive - Derived from marine life (manzamine A, palinurin, tricanthin, etc.) - Thiazolidinedione (TDZD-8, NP00111, NP031115, tidglu
- the TGF-beta inhibitor is 4- ⁇ 4-[3-(pyridin-2-yl)-1H-pyrazol-4-yl]-pyridin-2-yl ⁇ -N-(tetrahydro- 2H-pyran-4-yl)benzamide hydrate (4- ⁇ 4-[3-(Pyridin-2-yl)-1H-pyrazol-4-yl]-pyridin-2-yl ⁇ -N-(tetrahydro-2H -pyran-4-yl)benzamide hydrate), 4-[3-(2-pyridinyl)-1H-pyrazol-4-yl]-quinoline (4-[3-(2-pyridinyl)-1H-pyrazol- 4-yl]-quinoline), 2-[3-(6-methyl-2-pyridinyl)-1H-pyrazol-4-yl]-1,5-naphthyridine (2-[3-(6-Methyl -2-pyridinyl)-1H-pyra
- CHIR99021 in the present invention refers to a compound having the structural formula of Formula 1 below.
- SB-431542 in the present invention refers to a compound having the structural formula of the following formula (2).
- medium varies depending on the purpose of use, but is a medium for culturing animal cells that basically contains inorganic salts, carbon sources, amino acids, bovine serum albumin (BSA), and cofactors, and is a general medium well known to those skilled in the art.
- the medium contains NaCl, KCl and NaHCO3 as inorganic salts, glucose, sodium pyruvate and calcium lactate as carbon sources, and essential and non-essential amino acids including glutamine as amino acids.
- other trace elements and buffer solutions may be included as cofactors.
- the medium may also contain antibiotics.
- the medium includes various known and commercialized media for animal cell culture, for example, DMEM (Dulbecco's Modified Eagle's Medium), EDM (Endothelial Differentiation Medium), MEM (Minimal Essential Medium), BME (Basal Medium Eagle), RPMI1640. , F-10, F-12, ⁇ -MEM ( ⁇ -Minimal Essential Medium), G-MEM (Glasgow's Minimal Essential Medium), and Iscove's Modified Dulbecco's Medium can be used as is, but are not limited thereto. In one embodiment, StemPro-34 SFM medium can be used.
- the concentration of the GSK inhibitor (e.g., CHIR99021) in the first medium composition is 0.1 to 100 ⁇ M, 0.1 to 90 ⁇ M, 0.1 to 80 ⁇ M, 0.1 to 70 ⁇ M, 0.1 to 60 ⁇ M, 0.1 to 50 ⁇ M.
- the concentration of BMP4 in the first medium composition is 1 to 1000 ng/ml, 1 to 900 ng/ml, 1 to 800 ng/ml, 1 to 700 ng/ml, and 1 to 600 ng/ml. , 1 to 500 ng/ml, 1 to 400 ng/ml, 1 to 300 ng/ml, 1 to 200 ng/ml, 1 to 100 ng/ml, 10 to 1000 ng/ml, 20 to 1000 ng/ml, 30 to 1000 ng/ml, 40 to 1000 ng/ml, 10 to 900 ng/ml, 20 to 800 ng/ml, 30 to 700 ng/ml, 40 to 600 ng/ml, 40 to 500 ng/ml, 40 It may be from 400 ng/ml, 40 to 300 ng/ml, 40 to 200 ng/ml, 40 to 100 ng/ml or 10 to 100 ng/ml.
- the concentration of VEGF in the first medium composition is 1 to 1000 ng/ml, 1 to 900 ng/ml, 1 to 800 ng/ml, 1 to 700 ng/ml, and 1 to 600 ng/ml. , 1 to 500 ng/ml, 1 to 400 ng/ml, 1 to 300 ng/ml, 1 to 200 ng/ml, 1 to 100 ng/ml, 10 to 1000 ng/ml, 20 to 1000 ng/ml, 30 to 1000 ng/ml, 40 to 1000 ng/ml, 10 to 900 ng/ml, 20 to 800 ng/ml, 30 to 700 ng/ml, 40 to 600 ng/ml, 40 to 500 ng/ml, 40 It may be from 400 ng/ml, 40 to 300 ng/ml, 40 to 200 ng/ml, 40 to 100 ng/ml or 10 to 100 ng/ml.
- the concentration of bFGF in the first medium composition is 1 to 1000 ng/ml, 1 to 900 ng/ml, 1 to 800 ng/ml, 1 to 700 ng/ml, and 1 to 600 ng/ml.
- the concentration of retinoic acid in the first medium composition is 0.05 to 50 ⁇ M, 0.07 to 50 ⁇ M, 0.09 to 50 ⁇ M, 0.1 to 50 ⁇ M, 0.3 to 50 ⁇ M, 0.5 to 50 ⁇ M, 0.7 to 50 ⁇ M. ⁇ M, 0.9 to 50 ⁇ M, 0.05 to 40 ⁇ M, 0.05 to 30 ⁇ M, 0.05 to 20 ⁇ M, 0.05 to 10 ⁇ M, 0.05 to 5 ⁇ M, 0.07 to 40 ⁇ M, 0.09 to 30 ⁇ M, 0.1 to 20 ⁇ M, 0.3 to 20 ⁇ M It may be ⁇ M, 0.5 to 10 ⁇ M, 0.7 to 5 ⁇ M or 0.1 to 10 ⁇ M.
- the concentration of the TGF-beta inhibitor (e.g., SB-431542) in the first medium composition is 0.1 to 500 ⁇ M, 0.1 to 400 ⁇ M, 0.1 to 300 ⁇ M, 0.1 to 200 ⁇ M, 0.1 to 100 ⁇ M , 1 to 500 ⁇ M, 5 to 500 ⁇ M, 5 to 400 ⁇ M, 5 to 300 ⁇ M, 5 to 200 ⁇ M, 5 to 100 ⁇ M, 5 to 50 ⁇ M or 1 to 100 ⁇ M.
- the concentration of PVA in the first medium composition is 0.002 to 5% (w/v), 0.004 to 2% (w/v). 0.01 to 1% (w/v), 0.02 to 0.8% (w/v), 0.02 to 0.5% (w/v). 0.04 to 0.3% (w/v). It may be 0.05 to 0.2% (w/v), or 0.07 to 0.2% (w/v).
- the concentration of the SCF in the first medium composition is 1 to 1000 ng/ml, 1 to 900 ng/ml, 1 to 800 ng/ml, 1 to 700 ng/ml, and 1 to 600 ng/ml. , 1 to 500 ng/ml, 1 to 400 ng/ml, 1 to 300 ng/ml, 1 to 200 ng/ml, 5 to 500 ng/ml, 10 to 1000 ng/ml, 10 to 500 ng/ml. 10 to 250 ng/ml, 10 to 100 ng/ml. It may be 20 to 100 ng/ml, 30 to 80 ng/ml.
- the concentration of the GSK inhibitor in the first medium composition is 1 to 10 ⁇ M
- the concentration of BMP4 is 10 to 100 ng/ml
- the concentration of VEGF is 10 to 100 ng/ml
- the concentration of bFGF is 10 to 10 ng/ml.
- the concentration of retinoic acid is 0.1 to 10 ⁇ M
- the concentration of TGF-beta inhibitor is 1 to 100 ⁇ M
- the concentration of PVA is 0.01 to 1% (w/v)
- the concentration of SCF is 5 to 500 ng/ It may be ml.
- the concentration of the SCF in the second medium composition is 1 to 100 ng/ml, 1 to 90 ng/ml, 1 to 80 ng/ml, 1 to 70 ng/ml, and 1 to 60 ng/ml. , 1 to 50 ng/ml, 1 to 40 ng/ml, 1 to 30 ng/ml, 3 to 100 ng/ml, 5 to 100 ng/ml, 7 to 100 ng/ml, 9 to 100 ng/ml, 11 to 100 ng/ml, 13 to 100 ng/ml, 15 to 100 ng/ml, 3 to 90 ng/ml, 5 to 80 ng/ml, 7 to 70 ng/ml, 9 to 60 ng/ml, 11 It may be from 50 ng/ml to 50 ng/ml, from 13 to 40 ng/ml, from 15 to 30 ng/ml or from 1 to 50 ng/ml.
- the concentration of IL7 in the second medium composition is 1 to 100 ng/ml, 1 to 90 ng/ml, 1 to 80 ng/ml, 1 to 70 ng/ml, and 1 to 60 ng/ml. , 1 to 50 ng/ml, 1 to 40 ng/ml, 1 to 30 ng/ml, 3 to 100 ng/ml, 5 to 100 ng/ml, 7 to 100 ng/ml, 9 to 100 ng/ml, 11 to 100 ng/ml, 13 to 100 ng/ml, 15 to 100 ng/ml, 3 to 90 ng/ml, 5 to 80 ng/ml, 7 to 70 ng/ml, 9 to 60 ng/ml, 11 It may be from 50 ng/ml to 50 ng/ml, from 13 to 40 ng/ml, from 15 to 30 ng/ml or from 1 to 50 ng/ml.
- the concentration of IL15 in the second medium composition is 1 to 100 ng/ml, 1 to 90 ng/ml, 1 to 80 ng/ml, 1 to 70 ng/ml, and 1 to 60 ng/ml. , 1 to 50 ng/ml, 1 to 40 ng/ml, 1 to 30 ng/ml, 1 to 20 ng/ml, 3 to 100 ng/ml, 5 to 100 ng/ml, 7 to 100 ng/ml, It may be 9 to 100 ng/ml, 3 to 90 ng/ml, 5 to 80 ng/ml, 7 to 70 ng/ml, 9 to 60 ng/ml or 1 to 50 ng/ml.
- the concentration of FLT3L in the second medium composition is 1 to 100 ng/ml, 1 to 90 ng/ml, 1 to 80 ng/ml, 1 to 70 ng/ml, and 1 to 60 ng/ml. , 1 to 50 ng/ml, 1 to 40 ng/ml, 1 to 30 ng/ml, 1 to 20 ng/ml, 3 to 100 ng/ml, 5 to 100 ng/ml, 7 to 100 ng/ml, It may be 9 to 100 ng/ml, 3 to 90 ng/ml, 5 to 80 ng/ml, 7 to 70 ng/ml, 9 to 60 ng/ml or 1 to 50 ng/ml.
- the concentration of SCF in the second medium composition is 1 to 50 ng/ml
- the concentration of IL7 is 1 to 50 ng/ml
- the concentration of IL15 is 1 to 50 ng/ml
- the concentration of FLT3L is 1. It may be from 50 ng/ml.
- “positive or +” may mean that, in relation to a cell marker (marker), the marker is present in a larger amount or at a higher concentration compared to other cells for which the marker is a reference.
- a cell can be positive for a marker if the marker can be used to distinguish the cell from one or more other cell types because it is present inside or on the surface of the cell. It may also mean that the cell has the label in an amount sufficient to produce a signal greater than the background value, for example, a signal from a cytometry device.
- a cell can be detectably labeled with an antibody specific for CD56, and if the signal from this antibody is detectably greater than the control (e.g., background), then the cell is "positive for CD56.” " or "CD56+”.
- the term “negative or -” may mean that even using an antibody specific for a particular cell surface marker, that marker cannot be detected compared to a background value. For example, if cells cannot be detectably labeled with antibodies specific for CD3. The cells may be indicated as “negative for CD3” or “CD3-”.
- more than 60%, 70%, 80%, 90%, 95%, 97%, or 99% of the cells may be negative for CD3 and positive for CD56.
- our natural killer cell population is
- NKG2D is expressed in more than 50%, 60%, or 64% of CD3 - CD56 + cells, and/or
- NKp30 is expressed in more than 50%, 70%, 80%, or 89% of CD3 - CD56 + cells, and/or
- NKp44 is expressed in more than 50%, 80%, 90%, or 94% of CD3-CD56+ cells, and/or
- NKp46 is expressed in more than 50%, 60%, or 67% of CD3 - CD56 + cells, and/or
- DNAM-1 may be expressed in more than 50%, 80%, 90%, or 94% of CD3 - CD56 + cells.
- our natural killer cell population is
- NKG2A is expressed in less than 5%, 2%, or 1% of CD3 - CD56 + cells
- KIR2DL1 is expressed in less than 5%, 2%, or 1% of CD3 - CD56 + cells, and/or
- KIR2DL2/3 is expressed in less than 20%, 15%, or 10% of CD3 - CD56 + cells, and/or
- KIR3DL1 may be expressed in less than 10%, 6%, 5%, or 3% of CD3 - CD56 + cells.
- our natural killer cell population is
- Perforin is expressed in more than 50%, 80%, 90%, or 98% of CD3 - CD56 + cells, and/or
- the granzyme ratio may be expressed in more than 50%, 80%, 90%, or 98% of CD3 - CD56 + cells.
- the pluripotent stem cells may be embryonic stem cells (ESCs) or induced pluripotent stem cells (iPSCs). Specifically, embryonic stem cells or induced pluripotent stem cells may be of human origin, but are not limited thereto.
- ESCs embryonic stem cells
- iPSCs induced pluripotent stem cells
- 'pluripotent stem cells are pluripotent that can differentiate into cells of all tissues of an individual, or have totipotent self-renewal ability.
- stem cells may include embryonic stem cells or induced pluripotent stem cells.
- Embryonic stem cells are cells extracted from the inner cell mass of an early embryo just before the fertilized egg implants in the mother’s uterus and cultured in vitro. They are pluripotent or totipotent and can differentiate into cells of all tissues of the organism. It has the ability to self-reproduce. In a broad sense, it also includes embryoid bodies derived from embryonic stem cells.
- Induced pluripotent stem cells refers to cells induced to have pluripotent differentiation ability through an artificial dedifferentiation process from differentiated cells, and are also called pluripotent stem cells. Artificial dedifferentiation processes include virus-mediated or non-viral vectors using retroviruses and lentiviruses; Alternatively, it may be performed by introducing non-virus-mediated dedifferentiation factors using proteins and cell extracts, or may include a dedifferentiation process using stem cell extracts, compounds, etc. Induced pluripotent stem cells have almost the same characteristics as embryonic stem cells. Specifically, they show similar cell shapes, have similar gene and protein expression patterns, have pluripotency in vitro and in vivo, and produce teratoma. When formed and inserted into a mouse blastocyst, a chimera mouse is formed, and germline transmission of genes is possible.
- the medium composition may further include a third medium composition for maturation and proliferation of natural killer cells containing IL15, a Rho-associated protein kinase inhibitor (ROCK), or a combination thereof.
- a third medium composition for maturation and proliferation of natural killer cells containing IL15 a Rho-associated protein kinase inhibitor (ROCK), or a combination thereof.
- ROCK Rho-associated protein kinase inhibitor
- the ROCK inhibitor is Fasudil, AT-13148, BA-210, ⁇ -Elemene, Belumosudil, Chroman 1, DJ4, GSK-576371, GSK429286A, H-1152, Hydroxyfasudil, Ibuprofen, LX-7101, Netarsudil, RKI-1447, Ripasudil, TCS-001, It may include Thiazovivin, Verosudil (AR-12286), Y-27632, Y-30141, Y-33075, Y-39983, or a combination thereof.
- the concentration of the ROCK inhibitor (e.g., fasudil) in the third medium composition is 1 to 100 ⁇ M, 1 to 90 ⁇ M, 1 to 80 ⁇ M, 1 to 70 ⁇ M, 1 to 60 ⁇ M, 1 to 10 ⁇ M. 50 ⁇ M, 1 to 40 ⁇ M, 1 to 30 ⁇ M, 1 to 20 ⁇ M, 3 to 100 ⁇ M, 5 to 100 ⁇ M, 7 to 100 ⁇ M, 9 to 100 ⁇ M, 3 to 90 ⁇ M, 5 to 80 ⁇ M, 7 to It may be 70 ⁇ M, 9 to 60 ⁇ M or 1 to 50 ⁇ M.
- the ROCK inhibitor e.g., fasudil
- the concentration of IL15 in the third medium composition is 1 to 200 ⁇ g/ml, 1 to 100 ⁇ g/ml, 2 to 200 ⁇ g/ml, 5 to 80 ⁇ g/ml, and 5 to 60 ⁇ g/ml. , 5 to 40 ⁇ g/ml, 5 to 30 ⁇ g/ml, 10 to 80 ⁇ g/ml, 10 to 60 ⁇ g/ml, 10 to 40 ⁇ g/ml, or 10 to 30 ⁇ g/ml.
- the concentration of IL15 in the third medium composition may be 2 to 200 ng/ml and the concentration of the ROCK inhibitor may be 1 to 100 ⁇ g/ml.
- a first step of inducing differentiation from pluripotent stem cells into hematopoietic stem cells by culturing pluripotent stem cells in the presence of a first medium composition containing (Stem Cell Factor) or a combination thereof; and by culturing the hematopoietic stem cells in the presence of a second medium composition containing SCF, IL7 (Interleukin7), IL15 (Interleukin15), FLT3L (FMS-like tyrosine kinase 3 ligand), or a combination thereof, from hematopoietic stem cells to natural killer cells. It provides a method of inducing differentiation of pluripotent stem cells into natural killer cells, including
- the first medium composition may be replaced with a first medium composition having a different composition.
- the first medium composition may include one or more of the following compositions:
- the first step may include the following steps:
- steps (1) to (4) may be performed sequentially, in reverse order, or simultaneously.
- steps (1) to (4) may be performed sequentially, in reverse order, or simultaneously.
- cells can be cultured in a medium composition containing all the components of the medium composition of the corresponding steps.
- bFGF may be included in the medium composition at different concentrations for each stage.
- the first step may be performed for at least 3 days, 3 to 25 days, 5 to 20 days, or 12 to 16 days.
- step (1) is 1 to 4 days
- step (2) is 1 to 4 days
- step (3) is 0.5 to 2 days
- step (4) is 2 days. It can be performed for up to 24 days.
- the second medium composition may include SCF, IL7, IL15, and FLT3L.
- the second step may be performed for at least 3 days, 3 to 25 days, 5 to 20 days, or 12 to 16 days.
- the method for inducing differentiation is IL15
- a ROCK inhibitor eg, fasudil
- the third step may be performed for at least 1 day, 1 to 28 days, 2 to 25 days, 3 to 21 days, 5 to 20 days, or 7 to 14 days.
- the medium composition of the present application may include each component in various concentration combinations.
- natural killer cells or cell populations thereof differentiated from pluripotent stem cells are provided as a method of inducing differentiation herein.
- the natural killer cells are as described above.
- compositions comprising natural killer cells or a cell population thereof differentiated from pluripotent stem cells as a method of inducing differentiation herein.
- a pharmaceutical composition for preventing or treating cancer comprising natural killer cells or a cell population thereof differentiated by the method of inducing differentiation as an active ingredient is provided.
- cancer includes tumors, blood cancers, or solid cancers, and includes those that damage the synergistic activity of NK cells of an individual or do not cause synergistic activity of NK cells as target cells under certain conditions.
- the cancer includes glioma, gastrointestinal stromal tumor, leukemia, breast cancer, uterine cancer, cervical cancer, stomach cancer, colon cancer, prostate cancer, ovarian cancer, lung cancer, laryngeal cancer, rectal cancer, liver cancer, gallbladder cancer, pancreatic cancer, kidney cancer, and skin cancer. , it may be one or more types selected from the group consisting of bone cancer, muscle cancer, fat cancer, fibrous cell cancer, blood cancer, lymphoma, and multiple myeloma.
- prevention refers to all actions that inhibit or delay the occurrence of cancer by administering the composition according to the present invention.
- treatment refers to or includes the alleviation, inhibition of progression, or prevention of a disease, disorder, or condition, or one or more symptoms thereof
- active ingredient or the term “pharmaceutically effective amount” refers to the disease, disorder, or condition. It may refer to any amount of the composition used in practicing the invention provided herein that is sufficient to alleviate, inhibit the progression of, or prevent the condition or one or more symptoms thereof.
- the composition may further include other known immune antigen adjuvants, and other immune antigen adjuvants are preferably monophosphoryl lipid A (MPL) and GLA-SE (Glucopyranosyl Lipid Adjuvant, formulated in a stable nano-emulsion of squalene oil in water).
- MPL monophosphoryl lipid A
- GLA-SE Glucopyranosyl Lipid Adjuvant, formulated in a stable nano-emulsion of squalene oil in water.
- the method of administration of the pharmaceutical composition is not particularly limited, but may be administered parenterally or orally, such as intravenously, subcutaneously, intraperitoneally, inhaled, or topically applied, depending on the desired method.
- the dosage range varies depending on the patient's weight, age, gender, health condition, diet, administration time, administration method, excretion rate, and severity of the disease.
- Daily dosage means the amount of therapeutic substance in one modality sufficient to treat the disease condition alleviated by administration to an individual in need of treatment.
- the effective amount of a therapeutic agent will depend on the particular compound, the disease state and its severity, and the individual in need of treatment, and can be routinely determined by a person skilled in the art.
- the dosage for a human of a composition according to one aspect may vary depending on the patient's age, weight, gender, form of administration, health status, and extent of the disease. Based on an adult patient weighing 70 kg, for example, about 1,000 to 10,000 cells/time, 1,000 to 100,000 cells/time, 1,000 to 1,000,000 cells/time, 1,000 to 10,000,000, 1,000 to 100,000,000 cells/time, 1,000 ⁇ 1,000,000,000 cells/time, 1,000 ⁇ 10,000,000,000 cells/circuit, can be administered in divided doses once or several times a day at regular time intervals, or can be administered multiple times at regular time intervals.
- the pharmaceutical composition may include pharmaceutically acceptable carriers and/or additives.
- it contains sterile water, physiological saline, common buffers (phosphoric acid, citric acid, other organic acids, etc.), stabilizers, salts, antioxidants (ascorbic acid, etc.), surfactants, suspending agents, isotonic agents, or preservatives. can do.
- organic materials such as biopolymers and inorganic materials such as hydroxyapatite, specifically collagen matrices, polylactic acid polymers or copolymers, polyethylene glycol polymers or copolymers, and chemical derivatives thereof. can do.
- the pharmaceutical composition according to one embodiment is prepared in a formulation suitable for injection, the immune cells or substances that increase their activity may be dissolved in a pharmaceutically acceptable carrier or frozen in a dissolved solution state. You can.
- the pharmaceutical composition may be used as a suspending agent, solubilizer, stabilizer, isotonic agent, preservative, anti-adsorption agent, surfactant, diluent, excipient, pH adjuster, analgesic agent, buffer, reducing agent, if necessary depending on the administration method or formulation. Antioxidants, etc. may be appropriately included.
- Pharmaceutically acceptable carriers and agents suitable for the present invention including those exemplified above, are described in detail in Remington's Pharmaceutical Sciences, 19th ed., 1995.
- the pharmaceutical composition is prepared in unit dosage form by formulating using a pharmaceutically acceptable carrier and/or excipient according to a method that can be easily performed by a person skilled in the art to which the invention pertains. It can be manufactured by placing it in a multi-capacity container.
- the formulation may be in the form of a solution, suspension or emulsion in an oil or aqueous medium, or in the form of powder, granules, tablets or capsules.
- a pharmaceutical composition for preventing or treating infectious diseases comprising natural killer cells or a cell population thereof differentiated by a method according to the method for inducing differentiation as an active ingredient is provided.
- disease may refer to a pathological condition, particularly cancer, infectious disease, inflammatory disease, metabolic disease, autoimmune disorder, degenerative disease, apoptosis-related disease, and graft rejection.
- infectious disease may collectively refer to infectious diseases caused by organisms such as bacteria, viruses, molds, etc.
- viral infections such as HIV (Hunan Immunodeficiency Virus), EBV (Epstein-Barr virus), HHV (Human Herpes Virus), IAV (Influenza A virus), and COV-19
- natural killer cell activation receptors NKp46, NKp44, or NKp30 can bind to and activate viral glycoproteins, leading to the death of infected cells.
- FASL and TRAIL of natural killer cells bind to the increased death receptors in virus-infected cells, can induce death.
- kits for inducing differentiation from pluripotent stem cells into natural killer cells which includes a GSK inhibitor, BMP4 (Bone Morphogenetic Protein 4), VEGF (Vascular Endothelial Growth Factor), bFGF (Basic Fibroblast Growth Factor), and retinoic acid ( Retinoic acid), a TGF-beta inhibitor, polyvinyl alcohol (PVA), Stem Cell Factor (SCF), or a combination thereof; a first medium composition for inducing differentiation from pluripotent stem cells into hematopoietic stem cells; and a kit containing a second medium composition for inducing differentiation from hematopoietic stem cells to natural killer cells containing SCF, IL7 (Interleukin7), IL15 (Interleukin15), FLT3L (FMS-like tyrosine kinase 3 ligand), or a combination thereof. to provide.
- the first medium composition, the second medium composition, and each component are as described
- the first medium composition and the second medium composition may be included separately in the kit. Additionally, when the first medium composition includes the medium compositions (i) to (iv), the medium compositions (i) to (iv) may also be separately included in the kit.
- GSK inhibitors Bone Morphogenetic Protein 4 (BMP4), Vascular Endothelial Growth Factor (VEGF), Basic Fibroblast Growth Factor (bFGF), Retinoic acid, TGF-beta inhibitor, polyvinyl alcohol (PVA), SCF.
- BMP4 Bone Morphogenetic Protein 4
- VEGF Vascular Endothelial Growth Factor
- bFGF Basic Fibroblast Growth Factor
- Retinoic acid TGF-beta inhibitor
- PVA polyvinyl alcohol
- SCF polyvinyl alcohol
- the first medium composition containing (Stem Cell Factor) or a combination thereof is used to induce differentiation from pluripotent stem cells to hematopoietic stem cells.
- Another aspect is the use of a second medium composition containing SCF, IL7 (Interleukin7), IL15 (Interleukin 15), FLT3L (FMS-like tyrosine kinase 3 ligand), or a combination thereof to induce differentiation from hematopoietic stem cells to natural killer cells. .
- Another aspect is the use of a third medium composition containing IL15, ROCK (Rho-associated protein kinase inhibitor) or a combination thereof for maturation and proliferation of natural killer cells.
- ROCK Ras-associated protein kinase inhibitor
- the first medium composition, second medium composition, third medium composition and each component are as described above.
- a and/or B means A or B, or A and B.
- Example 1 Natural killer cells derived from human pluripotent stem cells
- FIG. 1 A schematic diagram of the process of differentiating pluripotent stem cells into natural killer cells is shown in Figure 1. Specifically, human pluripotent stem cells were cultured and differentiated into hematopoietic stem cells, and hematopoietic stem cells were cultured and differentiated into natural killer cells. They were differentiated into natural killer cells, then matured and proliferated.
- HSCs hematopoietic stem cells
- hPSCs Human pluripotent stem cells
- the basic differentiation medium was Stempro34-SFM (+stempro sup) + 200 ⁇ g/ml human Transferrin + 2mM L-glutamine + 0.5mM L-Ascobic acid + 0.45mM MTG (1-thioglycerol) + 1% penicillin/streptomycin.
- CHIR99021 a GSK inhibitor known to induce mesenchyme
- CHIR99021 a GSK inhibitor known to induce mesenchyme
- the cells were treated for 2 days in differentiation culture medium supplemented with 50 ng/ml of BMP4, 50 ng/ml of VEGF, and 100 ng/ml of bFGF.
- the cells were cultured in culture medium supplemented with 50 ng/ml VEGF, 50 ng/ml bFGF, 10 ⁇ M SB-431542, and 1 ⁇ M retinoic acid for the next day.
- the cells were cultured in a culture medium supplemented with 0.1% (w/v, g/ml) PVA, 50 ng/ml SCF, and 10 ng/ml bFGF, changing the medium every day.
- the basic culture medium for differentiation after induction of HSCs was the same as that used for HSC induction. 20 ng/ml of SCF, 20 ng/ml of IL-7, 10 ng/ml of IL-15, and 10 ng/ml of FLT3L were added to the basic culture medium and cultured for 2 weeks while changing the culture medium once every 2 days.
- IL-15 was added at 20 ⁇ g/ml and cultured for 1 to 2 weeks.
- NK cells of Example 1 were obtained through the above method.
- PBMC Human peripheral blood mononuclear cells
- the isolated primary NK cells were used as Comparative Example 1.
- Cells cryopreserved from isolated primary NK cells were used as Comparative Example 2.
- NK cells of Comparative Example 2 were inoculated into a flask coated with ⁇ -globulin (Green-cross, Yongin, Korea) and anti-NKp46 (R&D Systems, Minneapolis, MN, USA), which activate NK cells, and inoculated with 1000 IU/mL recombinant human Alys505NK-EX serum-free medium (CSTI; Sendai, Japan). Fresh culture medium was added every 1 to 3 days depending on cell density (2 x 10 6 cells/mL). On day 6, cells were transferred to a culture bag (NIPRO, Osaka, Japan) and cultured for 14 days. Cultured NK cells were cryopreserved using Cryostor CS5 (BioLife Solutions, Bothell, WA, USA). Cells transferred to a culture bag and cultured for 14 days were used as Comparative Example 3, and cells cryopreserved from Comparative Example 3 were used as Comparative Example 4.
- CSTI human Alys505NK-EX serum-free medium
- NK-92MI a human natural killer cell line, was purchased and used from ATCC (American Type Culture Collection, USA).
- Example 2 To confirm whether the cells obtained in Example 1 were differentiated into NK cells, CD markers specific for NK cells were confirmed using FACS (Fluorescence-activated cell sorting, BD FACSCaliburTM). Specifically, on day 33 of total NK cell differentiation, all cells were harvested and CD markers were analyzed. The results are shown in Figure 2.
- FACS Fluorescence-activated cell sorting
- CD45 positive peripheral leukocytes As shown in Figure 2, more than 97% of the cells analyzed were differentiated into CD45 positive peripheral leukocytes, and more than 97% of CD3 - CD56 + cells, an NK cell specific marker, were identified. In addition, it was found that CD16, which induces the antibody-dependent cellular cytotoxicity (ADCC) function of NK cells, was expressed by 56%.
- ADCC antibody-dependent cellular cytotoxicity
- composition according to the present invention can effectively differentiate pluripotent stem cells into NK cells.
- Example 1 The expression levels of surface receptors and cytoplasmic granules of the cells obtained in Example 1 were confirmed by flow cytometry. For comparison with primary NK cells, the same analysis was performed using the cells of Comparative Examples 3 and 5. The results are shown in Figures 3a and 3b.
- the expression of activating receptors in the cells of Example 1 was confirmed to be 64% NKG2D, 89% NKp30, 94% NKp46, and 94% DNAM-1 among CD56 + cells.
- NKG2A and KIR2DL1 were confirmed to be expressed in less than 1% of CD56 + cells, and expression of KIR2DL2/3 and 3% of KIR3DL1 was confirmed in 9%.
- Example 1 expressed somewhat lower activation receptors (64% to 94%) compared to the activated primary NK cells of Comparative Example 3, but the NK-92MI of Comparative Example 5 (NKp46, 4%; NKp44, 27%; It showed a relatively high expression rate compared to DNAM-1 (4%). It was found that the expression of inhibitory receptors in the cells of Example 1 was much lower than that of primary NK cells. It was found that the cytoplasmic granules of the cells of Example 1 were highly expressed and had characteristics similar to primary NK cells.
- Example 1 had superior characteristics than the NK cells of Comparative Example 5 and had similar or superior characteristics to the activated NK cells of Comparative Example 3.
- Cytotoxicity was performed on K562 cells (human chronic myeloid leukemia cell line) and cisplatin-resistant ovarian cancer cells A2780cis (ovarian cancer cell line), which are mainly used to measure NK cell activity due to their high sensitivity to NK cells.
- target cancer cells K562 or A2780cis
- the cell pellet was diluted with DPBS and washed, and the washed cell pellet was suspended in culture medium containing 10% FBS in RPMI medium without phenol red.
- NK cells 1 x 10 5 cells per condition were prepared and stained with CFSE (Life technologies) at a concentration of 5 ⁇ M by leaving them in an incubator for 10 minutes under 5% CO 2 conditions. Afterwards, the cells were washed twice with DPBS and then diluted with culture medium containing 10% FBS in RPMI medium without phenol red.
- Activated NK cells are prepared according to the E:T (Effector cell:Target cell) ratio (0:1, 1:1, 5:1, 10:1) and placed in a 24-well plate with target cells. I was busy mixing it up. Next, activated NK cells and target cells were reacted for 4 hours, and 7AAD (7-Aminoactinomycin D) was treated 20 minutes before the end of the reaction. After the reaction was completed, the cells were collected in a 5 ml FACS tube, and the killing ability of the cells was analyzed using a flow cytometer.
- the NK cells of Example 1 showed 91% cytotoxicity against the blood cancer K562 cell line at a 10:1 ratio, and 74% cytotoxicity against the A2780cis cell line, an anticancer drug-resistant ovarian cancer cell line. It appeared to be visible.
- the activated primary NK cells of Comparative Examples 3 and 4 showed 93.22% and 80.5% cytotoxicity against the K562 cell line at a ratio of 10:1, respectively, and the primary NK cells of Comparative Example 2 showed 10:1 cytotoxicity against the K562 cell line. It showed 17.1% cytotoxicity at a ratio of 1. From the above results, it was found that the NK cells of Example 1 had similar or better cytotoxicity compared to the primary NK cells of Comparative Examples 2 to 4.
- Example 1 were found to have significantly higher cytotoxicity than the NK92MI cells of Comparative Example 5, showing that the cells of Example 1 had excellent cytotoxicity.
- Example 1 had superior characteristics than other NK cells of Comparative Example 5 and had similar or superior characteristics to the activated primary NK cells of Comparative Examples 3 and 4.
- NK cells cytotoxicity assay
- SKOV3 cells ovarian cancer cell line
- activated NK cells and SKOV3 cells were reacted at an E:T ratio (0:1, 1:1, 5:1, 10:1) to analyze the killing ability of NK cells.
- NK cells differentiated from ESCs or iPSCs according to the method of the present invention have low cytotoxic activity against the SKOV3 cell line
- the NK cells of Example 1 (ESC-NK) and iPSC-derived NK cells (CD34+ derived NK cells) differentiated according to the method of the present invention ) showed very high cytotoxicity against the SKOV3 cell line at 65-82% at an E:T ratio of 10:1 ( Figure 5).
- CD34 + derived NK cells are NK cells differentiated according to the method in Example 1 from iPSCs generated using CD34 + cells isolated from UCB. From these results, it can be seen that NK cells differentiated from ESCs or iPSCs according to the method of the present invention have superior cytotoxicity than other NK cells.
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Abstract
Description
| GSK 억제제 | |
| 금속 이온 | 베릴륨, 구리, 리튬, 수은, 텅스텐, 아연 등 |
| ATP-competitive | - 아미노피리미딘(CHIR99021 CHIR98014, CT98014, CT98023, CT99021, TWS119 등)- 해양 생물 유래(6-BIO, 디브로모칸타렐린, 하이메니알데신, 인디루빈, 메리디아닌 등) - 아릴린돌말레이미드(SB-216763, SB-41528 등), - 티아졸(AR-A014418, AZD-1080 등) - 파울로네스(알스터폴로네, 카즈폴로네, 켄폴론 등), - 알로이신 |
| Non-ATP competitive | - 해양생물 유래(만자민 A, 팔리누린, 트리칸틴 등)- 티아졸리딘디온(TDZD-8, NP00111, NP031115, 타이드글루시브 등) - 할로메틸케톤(HMK-32 등) - 펩티드(L803-mts, L807-mts 등) - Unknown Mechanism(COB-187, COB-152 등) |
| 세포 독성(%) (E:T=10:1) |
실시예 1 | 비교예 2 | 비교예 3 | 비교예 4 | 비교예 5 |
| K562 | 91.84 | 17.1 | 93.22 | 80.5 | 34.24 |
| A2780cis | 74.3 | - | 60.2 | 58.5 | 34.2 |
Claims (18)
- 전분화능 줄기세포에서 자연살해세포로의 분화 유도용 키트로써,GSK 억제제, BMP4(Bone Morphogenetic Protein 4), VEGF(Vascular Endothelial Growth Factor), bFGF(Basic Fibroblast Growth Factor), 레티노산(Retinoic acid), TGF-beta 억제제, PVA(polyvinyl alcohol), SCF(Stem Cell Factor) 또는 이들의 조합을 포함하는 전분화능 줄기세포에서 조혈모세포로의 분화 유도용 제1배지 조성물; 및SCF, IL7(Interleukin7), IL15(Interleukin15), FLT3L(FMS-like tyrosine kinase 3 ligand) 또는 이들의 조합을 포함하는 조혈모세포에서 자연살해세포로의 분화 유도용 제2배지 조성물을 포함하는, 키트.
- 제1항에 있어서,상기 제1배지 조성물 중에 GSK 억제제의 농도는 1 내지 10 μM, BMP4의 농도는 10 내지 100 ng/ml, VEGF의 농도는 10 내지 100 ng/ml, bFGF의 농도는 10 내지 200 ng/ml, 레티노산의 농도는 0.1 내지 10 μM, TGF-beta 억제제의 농도는 1 내지 100 μM, PVA의 농도는 0.01 내지 1%(w/v) 및 SCF의 농도는 5 내지 500 ng/ml인 것인, 키트.
- 제1항에 있어서,상기 제2배지 조성물 중에 SCF의 농도는 1 내지 50 ng/ml, IL7의 농도는 1 내지 50 ng/ml, IL15의 농도는 1 내지 50 ng/ml 및 FLT3L의 농도는 1 내지 50 ng/ml인 것인, 키트.
- 제1항에 있어서,분화된 자연살해세포의 전체 세포 집단 내 90% 이상의 세포가 CD3에 대해 음성이고 CD56에 대해 양성인 것인, 키트.
- 제1항에 있어서,상기 전분화능 줄기세포는 배아줄기세포(embryonic stem cell; ESCs) 또는 유도만능줄기세포(induced pluripotent stem cells; iPSCs)인 것인, 키트.
- 제1항 내지 제5항 중 어느 한 항에 있어서,제1배지 조성물과 제2배지 조성물은 키트 내에 분리되어 포함되는, 키트.
- 제1항에 있어서,IL15, ROCK 억제제, 또는 이들의 조합을 포함하는 자연살해세포의 성숙 및 증식용 제3배지 조성물을 추가로 포함하는, 키트.
- 제7항에 있어서,상기 제3배지 조성물 중에 상기 ROCK 억제제의 농도는 1 내지 50 μM인 것인, 키트.
- GSK 억제제, BMP4(Bone Morphogenetic Protein 4), VEGF(Vascular Endothelial Growth Factor), bFGF(Basic Fibroblast Growth Factor), 레티노산(Retinoic acid), TGF-beta 억제제, PVA(polyvinyl alcohol), SCF(Stem Cell Factor) 또는 이들의 조합을 포함하는 제1배지 조성물의 존재 하에서 전분화능 줄기세포를 배양함으로써, 전분화능 줄기세포에서 조혈모세포로의 분화를 유도하는 제1단계; 및SCF(Stem Cell Factor), IL7(Interleukin7), IL15(Interleukin15), FLT3L(FMS-like tyrosine kinase 3 ligand) 또는 이들의 조합을 포함하는 제2배지 조성물의 존재 하에서 조혈모세포를 배양함으로써, 조혈모세포에서 자연살해세포로의 분화를 유도하는 제2단계;를 포함하는 전분화능 줄기세포에서 자연살해세포로의 분화를 유도하는 방법.
- 제9항에 있어서,상기 제1단계는 5 내지 20일간 수행되는 것인, 방법.
- 제9항에 있어서,상기 제2단계는 5 내지 20일간 수행되는 것인, 방법.
- 제9항에 있어서,IL15, Rock 억제제, 또는 이들의 조합을 포함하는 제3배지 조성물의 존재 하에서 자연살해세포를 배양함으로써, 자연살해세포를 성숙 및 증식하는 제3단계를 추가로 포함하는, 방법.
- 제12항에 있어서,상기 제3단계는 5 내지 20일간 수행되는 것인, 방법.
- 제9항 내지 제13항 중 어느 한 항에 따른 방법으로 전분화능 줄기세포에서 분화된 자연살해세포 또는 그의 세포 집단.
- 제9항 내지 제13항 중 어느 한 항에 따른 방법으로 전분화능 줄기세포에서 분화된 자연살해세포 또는 그의 세포 집단을 유효성분으로 포함하는 암 예방 또는 치료용 약학적 조성물.
- 제15항에 있어서,상기 암은 교종, 위장관기질종양, 백혈병, 유방암, 자궁암, 자궁경부암, 위암, 대장암, 전립선암, 난소암, 폐암, 후두암, 직장암, 간암, 담낭암, 췌장암, 신장암, 피부암, 골암, 근육암, 지방암, 섬유세포암, 혈액암, 림프종, 및 다발성골수종으로 이루어진 군으로부터 선택된 1종 이상인 것인, 약학적 조성물.
- 제9항 내지 제13항 중 어느 한 항에 따른 방법으로 전분화능 줄기세포에서 분화된 자연살해세포 또는 그의 세포 집단을 유효성분으로 포함하는 감염성 질환 예방 또는 치료용 약학적 조성물.
- 전분화능 줄기세포에서 자연살해세포로의 분화 유도용 조성물로써,GSK 억제제, BMP4(Bone Morphogenetic Protein 4), VEGF(Vascular Endothelial Growth Factor), bFGF(Basic Fibroblast Growth Factor), 레티노산(Retinoic acid), TGF-beta 억제제, PVA(polyvinyl alcohol), SCF(Stem Cell Factor) 또는 이들의 조합을 포함하는 전분화능 줄기세포에서 조혈모세포로의 분화 유도용 제1배지 조성물; 및SCF(Stem Cell Factor), IL7(Interleukin7), IL15(Interleukin15), FLT3L(FMS-like tyrosine kinase 3 ligand) 또는 이들의 조합을 포함하는 조혈모세포에서 자연살해세포로의 분화 유도용 제2배지 조성물을 포함하는, 조성물.
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| EP23889176.6A EP4524241A4 (en) | 2022-11-10 | 2023-11-09 | MEDIUM COMPOSITION FOR INDUCING DIFFERENTIATION FROM PLURIPOTENT STEM CELLS INTO NATURAL KILLER CELLS AND DIFFERENTIATION METHOD USING SAME |
| JP2024572246A JP2025518898A (ja) | 2022-11-10 | 2023-11-09 | 多能性幹細胞からナチュラルキラー細胞への分化誘導用培地組成物及びこれを用いた分化方法 |
| US18/977,107 US20250115869A1 (en) | 2022-11-10 | 2024-12-11 | Medium composition for inducing differentiation from pluripotent stem cells into natural killer cells and differentiation method using same |
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| Publication number | Publication date |
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| JP2025518898A (ja) | 2025-06-19 |
| KR20240069648A (ko) | 2024-05-20 |
| EP4524241A1 (en) | 2025-03-19 |
| US20250115869A1 (en) | 2025-04-10 |
| EP4524241A4 (en) | 2025-10-08 |
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