WO2006022091A1 - ヒト血清培地を用いるヒト骨髄由来間葉系幹細胞培養法 - Google Patents
ヒト血清培地を用いるヒト骨髄由来間葉系幹細胞培養法 Download PDFInfo
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- WO2006022091A1 WO2006022091A1 PCT/JP2005/013020 JP2005013020W WO2006022091A1 WO 2006022091 A1 WO2006022091 A1 WO 2006022091A1 JP 2005013020 W JP2005013020 W JP 2005013020W WO 2006022091 A1 WO2006022091 A1 WO 2006022091A1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
- A61K35/28—Bone marrow; Haematopoietic stem cells; Mesenchymal stem cells of any origin, e.g. adipose-derived stem cells
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/36—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix
- A61L27/38—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix containing added animal cells
- A61L27/3804—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix containing added animal cells characterised by specific cells or progenitors thereof, e.g. fibroblasts, connective tissue cells, kidney cells
- A61L27/3834—Cells able to produce different cell types, e.g. hematopoietic stem cells, mesenchymal stem cells, marrow stromal cells, embryonic stem cells
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/36—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix
- A61L27/38—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix containing added animal cells
- A61L27/3895—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix containing added animal cells using specific culture conditions, e.g. stimulating differentiation of stem cells, pulsatile flow conditions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
- A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P7/00—Drugs for disorders of the blood or the extracellular fluid
- A61P7/02—Antithrombotic agents; Anticoagulants; Platelet aggregation inhibitors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/04—Inotropic agents, i.e. stimulants of cardiac contraction; Drugs for heart failure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/14—Vasoprotectives; Antihaemorrhoidals; Drugs for varicose therapy; Capillary stabilisers
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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
- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
- C12N5/06—Animal cells or tissues; Human cells or tissues
- C12N5/0602—Vertebrate cells
- C12N5/0652—Cells of skeletal and connective tissues; Mesenchyme
- C12N5/0662—Stem cells
- C12N5/0663—Bone marrow mesenchymal stem cells (BM-MSC)
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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
- C12N2500/00—Specific components of cell culture medium
- C12N2500/30—Organic components
- C12N2500/34—Sugars
-
- 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
- C12N2500/00—Specific components of cell culture medium
- C12N2500/60—Buffer, e.g. pH regulation, osmotic pressure
Definitions
- the present invention relates to a cell culture method for efficiently and safely culturing large amounts of human thread and tissue cells for use in regenerative medicine, cell therapy, and the like.
- Patent Document 1 is an invention relating to a culture solution obtained by adding growth factors and the like together with human serum to a culture solution of human mature hepatocytes
- Patent Document 2 Japanese Patent Application Laid-Open No. 2002-78484
- JP 2003-52360 Patent Document 3 describes the presence of a basement membrane extracellular matrix.
- the invention relates to a method in which 2-10% human serum is added when culturing mesenchymal stem cells under the circumstances, and JP 2003-235548 (Patent Document 4) describes the growth of human serum and human serum in a culture medium for human cells. It is a patent application characterized by including a factor.
- Patent Document 5 cell culture as part of a therapeutic drug test method for osteoporosis patients, which is treated with continuous enzyme treatment using biopsy sections of patient iliac bones.
- the content is characterized by using 1 to 12% range of added serum such as urine fetal serum, human serum, urine serum albumin or Ultrocell.
- the object and contents of the present invention are clearly different.
- Non-Patent Document 1 Hiroyuki Funaoka
- Hajime Ogushi Bone Regenerative Medicine, Rheumatology, 30: 430-435, 2003
- Non-Patent Document 2 Yonsei Medical Journal, vol. 45, p61-67, 2004 (Non-patent Document 2) published a paper on basic research results using urchin fetal serum.
- Patent Document 1 WO2002 / 024875
- Patent Document 2 JP 2002-78484 A
- Patent Document 3 JP 2003-52360
- Patent Document 4 JP-A 2003-235548
- Patent Document 5 Special Tables 11-506010
- Non-Patent Document 1 Hiroyuki Funaoka, Ogushi Hajime: Bone Regenerative Medicine, Rheumatology, 30: 430— 435, 20 03
- Non-Patent Document 2 Yonsei Medical Journal, vol. 45, p61-67, 2004
- An object of the present invention is to provide a method for culturing mesenchymal stem cells for transplantation into humans safely and efficiently from human bone marrow fluid.
- the present inventor has examined the optimum conditions for culturing mesenchymal stem cells derived from bone marrow, the proliferation rate of stem cells, the removal of unnecessary cells other than stem cells, and the activity of stem cells (proliferation ability, A culture method excellent in differentiation induction ability, high survival rate, etc.) was established.
- the present invention relates to the following method.
- GO step (Bone marrow fluid obtained by adding heparin Z buffer obtained in 0 is cultured in a-MEM medium containing human serum 10-20% v Zv, and the medium is changed at least twice during the culture. Removing blood cell components floating in the culture medium; and
- a cell group mainly composed of mesenchymal stem cells using a cell dissociating agent is selectively peeled off, and adherent cells other than mesenchymal stem cells are separated from the peeled cells and separated into another container. In the step of selectively culturing mesenchymal stem cells.
- heparin Z buffer solution is a heparin ZPBS (Phosphate buffered saline) solution.
- a-MEM comprises the following components at the following concentrations (mg / L):
- KCL About 320-480
- NaCl about 5440-8160
- D-Glucose about 800-1200
- Lipoic Acid About 0.16-0.24
- L-Alanine About 20-30
- L-Aspartic Acid about 24-36
- L-Glutamic Acid about 60-90
- L-Tyrosine (disodium salt) about 41.6— 62.4
- Biotin about 0.08- 0.12
- Niacinamide about 0.8—1.2
- Vitamin B 12 About 1.12— 1.68
- Adenosine about 8-12
- Thymidine about 8-12
- step (iii) use a 0.05% trypsin / 0.53mM EDTA solution or an enzyme such as protease with the same action as a cell dissociator:! ⁇ For 10 minutes in the culture vessel.
- Item 5 The method according to any one of Items 1 to 4, wherein the mesenchymal stem cells adhered to the cell are selectively detached.
- the cell concentration of mesenchymal stem cells isolated and purified after detachment in step (m) is set to 1 X ⁇ 4 to ⁇ X 10 6 cellsZmL, seeded on scaffold, 8-12mM j8-Glycerophosphate, 16-24 ⁇ g ZmL Vitamin C and 80-120nM dexamethasone supplemented with human serum ex- Item 6.
- Item 7 Treat the subcultured cells with trypsin or a cell dissociator such as protease with the same action to adjust the cell concentration to 1 X 10 6 to 1 X 10 8 cells ZmL.
- Item 7 The method according to any one of Items 1 to 6, wherein the method is seeded on a scaffold such as cultivated and cultured for 1 to 24 hours.
- the scaffold is porous hydroxyapatite, porous calcium phosphate ceramics such as porous calcium triphosphate, porous calcium carbonate, and V of alumina having a surface porous structure.
- porous calcium phosphate ceramics such as porous calcium triphosphate, porous calcium carbonate, and V of alumina having a surface porous structure.
- a scaffold material a biomaterial or a material coated with an inorganic material based on calcium phosphate, such as bioactive glass or hydroxyapatite, on the surface of a biomaterial based on titanium.
- an inorganic material based on calcium phosphate such as bioactive glass or hydroxyapatite
- the cells cultured by this method have a survival rate of 90% or more in an environment other than the culture environment at least 24 hours, and can be stored for a long time in the environment other than the culture environment. Or can be transported.
- FIG. 1 shows a 100-fold magnified image of cell morphology after 9 days of culturing stem cells derived from human bone marrow
- Fig. Lb is also a 40-fold magnified image
- Fig. Lc is the same species.
- the human cells were cultured in a medium supplemented with urchin fetal serum, and a 100-fold magnified image of the morphology of the cells after 9 days was shown.
- FIG. 1d also shows a 40-fold magnified image. It can be seen that human bone marrow-derived mesenchymal stem cells are more active when cultured in autologous serum medium than when cultured in urine fetal serum medium.
- FIG. 2a shows isolated human mesenchymal stem cells
- FIG. 2b shows adherent cells remaining after detachment of human mesenchymal stem cells by trypsin treatment.
- FIG. 3 shows a porous structure formed by coating a large number of alumina beads with a diameter of 0.8 mm on the surface of an alumina ceramic.
- Bone tissue is formed by seeding and culturing mesenchymal stem cells in such a porous structure on the surface of the artificial joint in contact with the bone tissue.
- Fig. 4 shows the cell surface antigen pattern (FACS analysis) of human mesenchymal cells cultured in autologous serum
- Fig. 4a shows the pattern of CD34
- Fig. 4b shows the blood cell marker
- Fig. 4c shows the pattern of CD44, which is a marker including mesenchymal cells
- Fig. 4d shows the pattern of CD90. This suggests that cells cultured with autoserum are non-hemocytic and mesenchymal stem cells.
- FIG. 5 shows the cell viability of human mesenchymal cells cultured in autoserum for 24 hours outside the carbon dioxide incubator.
- the cultured cells were stored in physiological saline (mouth), physiological saline (PBS: A) containing phosphate buffer, and culture medium ( ⁇ ), and all showed cell viability of 90% or more.
- the human serum is not particularly limited, but it is desirable to use autologous serum when bone marrow fluid is also collected from a patient and transplanted into the patient. Safety that can deny virus infections from healthy relatives such as relatives if autologous serum cannot be used or the necessary amount of autologous serum cannot be obtained due to the severity of the patient's disease, general condition, etc. It is desirable to use high-quality human serum.
- mesenchymal stem cells cultured by the method of the present invention when bone tissue is repaired / regenerated, the mesenchymal stem cells obtained before transplantation are induced into bone tissue or bone tissue. It is desirable to differentiate into cells that can be produced (eg, osteoblasts or precursors thereof). Alternatively, the mesenchymal stem cells obtained by the method of the present invention can be directly transplanted to the affected area depending on the transplant target (for example, muscle, organ, etc.) and differentiated in the same manner as surrounding cells at the transplant site. is there.
- Human serum (preferably autologous serum) can be prepared, for example, by centrifuging (patient) blood 250-400 ml under the condition of 3000 rpm (centrifugal gravity 1580 g).
- the human serum is preferably supplemented with ⁇ -20% medium supplemented with 10-20% vZv.
- a -MEM medium with the following concentration range (mgZL) is preferred.
- KCL About 320-480
- NaCl about 5440-8160
- D-Glucose about 800-1200
- Lipoic Acid About 0.16-0.24
- L-Alanine About 20-30
- L-Aspartic Acid about 24-36
- L-Glutamic Acid about 60-90
- L-Tyrosine (disodium salt) about 41.6— 62.4
- Biotin about 0.08- 0.12
- i-Inositol About 1.6-2.4
- Niacinamide about 0.8—1.2
- Vitamin B About 1.12-1.68
- Thymidine approx. 8-12
- a cell culture medium having an about 15% vZv autoserum concentration.
- the autoserum concentration is about 10% or more and about 20% or less, and a desirable concentration is about 15% for safe, effective and efficient cell culture.
- the culture solution can be a constituent element of the present invention as long as it is a substantially equivalent culture solution for culturing the component system of the a-MEM medium and the mesenchymal stem cells.
- heparin buffer solution preferably heparin phosphate buffer solution (hemoline ZPBS solution) in an amount of about 80% or more and about 120% or less with respect to the bone marrow fluid is usually 5 to 15 UZmL.
- hemoline ZPBS solution heparin phosphate buffer solution
- Centrifugation is performed at about 500 rpm (centrifugal gravity 40 g) or more and about 1500 rpm (centrifugal gravity 390 g) or less, preferably about lOOOrpm (centrifugal gravity 140 g) for 1 to 20 minutes.
- adherent cells selectively grow on the bottom surface of the culture vessel.
- adherent cells cells other than mesenchymal stem cells sometimes appear.
- Adherent cells other than mesenchymal stem cells have a completely different appearance from mesenchymal stem cells and can be easily distinguished. Furthermore, this cell has been confirmed to be CD34, 45, positive by cell surface antigen analysis, and this force has also been confirmed to be a cell derived from the blood cell lineage.
- Adhesion using trypsin or a cell dissociation agent such as protease having the same action Using a cell separator (cell sorter) in a floating state in which all cells are detached from the bottom surface and adhesion between cells is released.
- a cell separator cell sorter
- the stem cells attached to the bottom surface of the culture dish are separated from the bottom surface using trypsin or a protease having an equivalent action, and the like. The operation is performed in a floating state where mutual adhesion has been resolved.
- porous hydroxyapatite and porous tricalcium phosphate are used as the scaffold, and the bone tissue is differentiated in the pores of these ceramics or in the vicinity of the surface of the pores. And used for transplantation into the bone defect of the patient.
- mesenchymal stem cells are seeded at the bone contact portion of the artificial joint, and are distributed to the bone tissue to transplant the force.
- a porous structure is created by baking a large number of alumina bead balls with a diameter of 0.8 mm as shown in Fig.
- a mesenchymal stem cell is seeded on the surface of the scaffolding material, differentiated into bone tissue, and then transplanted Get good treatment results with the law.
- Stem cells to be seeded on these scaffolds are seeded uniformly by adjusting the cell concentration to 1 ⁇ 10 4 to 1 ⁇ 10 6 cells / mL. Then, it culture
- the concentration in the autoserum medium is about 8-12 mM for j8-Glycerophosphate, desirably about 10 mM, about 16-24 ⁇ g / mL for vitamin C, desirably about 20 ⁇ g ZmL,
- the cell concentration is adjusted to a relatively high concentration of 1 ⁇ 10 6 to 1 ⁇ 10 8 cells / mL by subculture, etc., and this is seeded on scaffolds such as ceramics and polymers, and 1 to 24:00 After being attached to the scaffold at high density by culturing for a short period of time, it is directly transplanted to the bone, and then it is separated into bone tissue at the site where the mesenchymal stem cells are transplanted.
- This method has the advantage that when the mesenchymal stem cells are obtained in a relatively large amount, the culture time until transplantation is short.
- mesenchymal stem cells In the treatment of ischemic myocardial recovery or dilated cardiomyopathy, or chronic peripheral arterial occlusive disease (diabetic necrosis, arteriosclerotic obstruction, Birja's disease, etc.), mesenchymal stem cells When injecting itself into the affected area, the mesenchymal stem cells are used as they are.
- Serum was obtained by collecting 250-400 ml of blood from a patient with a bone defect and centrifuging for 10 minutes at 3000 rpm.
- As the autoserum 500 mL of ⁇ - ⁇ EM medium having the above-mentioned specific composition and 88 mL of autoserum were added to obtain a cell culture medium having a 15% vZv autoserum concentration.
- heparin phosphate buffer was added in an amount equivalent to bone marrow fluid (corresponding to 100%).
- the heparinized bone marrow was centrifuged at lOOOrpm for 10 minutes. After centrifugation, separate from the bottom into three layers: red blood cell, nucleated cell layer, and plasma. After confirming that the plasma was removed, the plasma was removed. Incubate in 30 mL autologous serum medium per 2 to 3 mL in total of two layers of red blood cells and nucleated cell layers, and replace the ⁇ -MEM medium supplemented with autologous serum approximately every 2 days. In addition, floating blood cell components were removed. This medium exchange was performed 4 times. When the medium was changed 4 times, blood cell components were completely removed.
- FIG. 2a shows the form of mesenchymal stem cells that were selectively detached from mesenchymal stem cells by trypsin treatment and cultured in a separate container.
- Fig. 2b shows adherent cells that remain on the bottom of the culture vessel after trypsinization and detachment of mesenchymal stem cells.
- mesenchymal stem cells cultured using autoserum were analyzed. As shown in Fig. 4, these cells were negative for blood cell markers CD34 and CD45, and mesenchymal cells were also The included markers CD44 and CD90 were positive, indicating that the cultured cells were non-hemocytic and mesenchymal stem cell lines.
- the cells cultured by this method have a survival rate of 90% or more in an environment other than the culture environment for at least 24 hours, and can be stored for a long time outside the culture environment, or It became possible to carry.
- a 1 ⁇ 10 4 to 1 ⁇ 10 6 cells ZmL culture solution was prepared from the mesenchymal stem cells obtained in Example 1, and this was prepared by coating a large number of 0.8 mm diameter alumina beads shown in FIG. 7-28 in autologous serum a MEM medium seeded on a scaffold material that has a porous structure and also has the power of alumina ceramics and supplemented with ⁇ -Glycerop hosphate (10 mM), Vitamin C (20 i ug / mL) and dexamethasone (lOOnM). Cultured for days.
- the present invention greatly contributes to the application of cell * tissue engineering to regenerative medicine, and has an important role in the practical application and industrialization of cell * tissue engineering.
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Abstract
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-241741 | 2004-08-23 | ||
| JP2004241741A JP2006055106A (ja) | 2004-08-23 | 2004-08-23 | ヒト血清培地を用いるヒト骨髄由来間葉系幹細胞培養法 |
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| WO2006022091A1 true WO2006022091A1 (ja) | 2006-03-02 |
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