WO2004076652A1 - 椎間板再生用の幹細胞用培地及び幹細胞を用いた椎間板の再生 - Google Patents
椎間板再生用の幹細胞用培地及び幹細胞を用いた椎間板の再生 Download PDFInfo
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- WO2004076652A1 WO2004076652A1 PCT/JP2003/002065 JP0302065W WO2004076652A1 WO 2004076652 A1 WO2004076652 A1 WO 2004076652A1 JP 0302065 W JP0302065 W JP 0302065W WO 2004076652 A1 WO2004076652 A1 WO 2004076652A1
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- medium
- stem cells
- disc
- intervertebral disc
- cell culture
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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
-
- 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)
-
- 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
- A61K2035/124—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells the cells being hematopoietic, bone marrow derived or blood cells
Definitions
- the present invention relates to a stem cell culture medium for intervertebral disc regeneration and treatment of low back pain, particularly intervertebral disc disorders associated with intervertebral disc degeneration.
- Back pain which accounts for over 40% of orthopedic patients, is a problem that began when humans, who originally had four-legged walking, started standing up walking.
- the main cause of low back pain is intervertebral disc disorders associated with intervertebral disc degeneration.
- herniated discs are common in the blues of their 20s and 40s, and are particularly common in middle-aged children, and are a social problem with restrictions on daily life and work disorders.
- posterior entry hernia resection is currently generally employed as a treatment for intervertebral hernia.
- nucleus pulposus was removed from the disc after surgery, and the inside of the disc became hollow, and the nucleus pulposus, which is indispensable for maintaining the morphology of the disc, was lost. To promote the problem. Also, progression of disc degeneration has triggered low back pain in herniated discs, lumbar spondylolisthesis, and lumbar spondylolisthesis without surgery.
- the present inventors have previously conducted experiments to demonstrate that the reactivation of nucleus pulposus cells by a proprietary co-culture system can be used to re-insert the nucleus pulposus cells into the nucleus pulposus of the intervertebral disc, thereby suppressing the degeneration of the disc tissue. (Refer to Non-patent Documents 1 to 3 below) and started clinical application in 2000.
- Non-patent document 1 Ni shimura K, Mo chida J: Per cutaneous reinsert ion of the nucleus pulposus -An experimental study-. Spine. 22: 1531-1539; 1998
- Non-Patent Document 2 Okuma M, Mochida J, Nishimura K, Sakabe K, Seiki K: Reinsertion of activated nucleus pulposus cells r eta rds intervertebral disc degeneration-An in vitro and in vivo experimental study-.J Orthop Res. 18 : 983-997; 2000
- Non-Patent Document 3 Nomura T, Mochida J, et al: Nucleus pulposus allograft retards intervertebral disc degeneration -An in vivo experimental study-. Clin. Orthop., 388: 94-101 2001
- our technology is The number of cells that can be collected in humans is small for widespread clinical applications, and the problem of obtaining fresh nucleus pulposus is that it is not practical to obtain the nucleus pulposus from a healthy disc. Summary of the Invention
- the present invention provides a method for regenerating an intervertebral disc and a medium for stem cells which can be widely and generally applied to the disorders associated with intervertebral disc degeneration, which overcomes the above-mentioned problems in the treatment of conventional intervertebral disc disorders.
- the purpose is to:
- an autoserum obtained by sterilizing and inactivating serum of an individual having an intervertebral disc to be regenerated, a cell culture medium, and a stem cell culture medium for intervertebral disc regeneration comprising at least one antibiotic.
- a stem cell collected from an autologous or homologous or heterologous solid is directly or cultivated using a cell culture technique, in particular, a stem cell culture medium for intervertebral disc regeneration of the present invention.
- a method of regenerating an intervertebral disc comprising the steps of suspending or embedding in a cell carrier, and then transplanting the suspension or embedding of the stem cells into the nucleus pulposus of the disc.
- Fig. 1 (a) shows a normal state of the rabbit intervertebral disc used in the examples
- Fig. 1 (b) shows a degenerated state thereof
- Fig. 1 (c) shows a sagittal section of the intervertebral disc in a state after regeneration.
- Fig. 2 (a) shows the normal state of the rabbit intervertebral disc used in the examples
- Fig. 2 (b) shows its degenerated state
- Fig. 2 (c) shows the tissue under the microscope in the sagittal section of the disc after regeneration. It is a drawing (photograph) showing each image.
- Disc degeneration the leading cause of chronic low back pain, is an irreversible change. Since 1993, we have experimentally demonstrated the effect of re-insertion of the activated nucleus pulposus to suppress degeneration of the disc, with the aim of suppressing and regenerating the disc, and started clinical application. However, the number of cells that can be collected from a degenerated disc is limited, and fresh nucleus pulposus can only be searched for from a healthy disc, and it seems practically difficult to obtain fresh nucleus pulposus. Therefore, an attempt was made to regenerate an intervertebral disc using mesenchymal stem cells or universal stem cells having universal plasticity, and a certain effect was confirmed in animal experiments, leading to the present invention.
- the stem cells transplanted into the nucleus pulposus of the intervertebral disc provide trophic factors and the like to surrounding cells at the transplant site when transplanted, and also serve as trophic factors derived from surrounding tissues, differentiation-inducing factors, and the like.
- the stem cells themselves are also induced to differentiate.
- the stem cells are transplanted into the degenerated disc as described above, the cells are induced into cells showing the characteristics of the disc cells, and the disc tissue can be regenerated.
- stem cells those derived from autologous or allogeneic or heterologous solids can be used, and specific examples include mesenchymal stem cells and universal stem cells.
- the collected stem cells can be directly suspended in our newly developed stem cell culture medium for intervertebral disc regeneration, or implanted in cell carriers (eg, agarose, alginate, atherocollagen gel, etc.).
- cell carriers eg, agarose, alginate, atherocollagen gel, etc.
- the method of transplanting into the nucleus pulposus of the intervertebral disc is preferable because the regenerating effect of the intervertebral disc is high.
- a medium for stem cells for intervertebral disc regeneration As a medium for stem cells for intervertebral disc regeneration according to the present invention, a commercially available culture solution generally used for culturing mesenchymal stem cells, A stem cell culture medium containing a growth factor synthesized in advance or serum derived from another animal can be used.
- a stem cell culture medium containing a growth factor synthesized in advance or serum derived from another animal can be used.
- stem cell culture medium containing a growth factor synthesized in advance or serum derived from another animal can be used.
- the disc was regenerated by implanting it into the nucleus pulposus of the disc.
- a required amount of whole blood is collected from an individual used for transplantation, blood cell components are spun down using a centrifuge, and serum is separated.
- the serum is sterilized using a sterile filter and heated in a thermostat at, for example, 50 to 70 ° C, preferably 55 to 60 ° C, for example, for 20 to 40 minutes, preferably for 25 to 35 minutes, and inactivated. Is applied.
- a cell culture medium that has been sterilized in advance, such as DMEM (Dulbecos Modified Eagle Medium), DMEM / F ⁇ 12MEM (Minimum
- the autologous serum is co-injected into a cell culture medium so as to have a concentration of 1 to 25% by weight, preferably 5 to 20% by weight.
- These media have been conventionally known as cell culture media and are commercially available. These media can be used as effects or mixtures.
- an antibiotic having a concentration capable of obtaining an antibacterial action per culture medium and allowing the cultured cells to survive specifically, for example, bencilin: 8,000 to 10,000 U / ml, Tolmycin: 8,000 to 10,000 ⁇ g / ml, Amphotericin B: 20 to 25 ⁇ g / ml, Gentamicin: 0.5 to 50 ⁇ g / ml, Hygromycin B: 25 to 1000 ⁇ g / ml, sulfate Kanamycin: 0.5-5-50 ⁇ g / ml, actinomycin D: 0.5-50 ⁇ g / ml, Neomycin sulfate: A culture medium for stem cells for disc regeneration can be obtained by adding 8,000 to 10,000 ⁇ g / ml alone or as a mixture.
- the technique for transplanting stem cells into the intervertebral disc tissue is not particularly limited.
- a technique that can inject a liquid such as a syringe and a gel-like cell carrier after exposing the intervertebral disc or use a skid holder (eg, a bioabsorbable polymer) ) Can be performed by placing it directly in the disc.
- the disc may have cracks or holes in the disc.
- a conventional general physiological tissue adhesive for example, fibrin glue
- connective tissue such as periosteum.
- This transplantation technique is used to control or regenerate disc degeneration during surgery that directly or indirectly affects the disc (eg, herniated disc).
- a required amount of whole blood was collected from the ear artery of a 12-week-old rabbit used for transplantation, blood cells were centrifuged using a centrifuge, and serum was separated. This serum was sterilized using a sterilizing filter, and heated at 56 ° C for 30 minutes in a thermostat. Inactivated.
- the above autologous serum was mixed with a sterilized DMEM (Dulbecco's Modified Eagle Medium) medium to a concentration of 10%, and penicillin: 10,000 U / ml, and strep Tomycin: 10,000 ⁇ g / ml, Amphotericin B: 25 ⁇ g / ml, and a medium for stem cells for disc regeneration was prepared.
- the bone marrow fluid of 12 week old rabbits were harvested, monocytes layer recovered using gravity separation liquid recovery monocyte layer were seeded in culture flask, a constant temperature bath at 37 ° C and 5% C0 2 atmosphere
- the cells were cultured in the flask until almost all the surfaces of the flask were grown (until they reached subconfluent) (about 14 days).
- the medium was prepared by introducing an adeno- or leto-mouth virus vector incorporating a marker gene of LacZ (beta-galactosidase) or GFP (Green Fluorescent Protein) into the adherent cells grown in the stem cell culture medium for intervertebral disc regeneration. It was marked so that survival and activity after transplantation could be confirmed.
- the cells were recovered by trypsinization and used as cells for transplantation.
- cartilage, bone and adipocytes were induced, and the reproducibility of their plasticity confirmed that they were mesenchymal stem cells.
- it can be confirmed by examining the leukocyte surface antigen of the bone marrow mesenchymal cells using a mouth-site method.
- the mesenchymal stem cells obtained above are suspended in the above-mentioned medium for intervertebral disc regeneration, and the cell suspension is directly or embedded in an atelocollagen gel, which is a cell carrier, and then subjected to the above denaturation treatment.
- the rabbit was implanted into the disc using a syringe with a 27 G needle.
- the water content in the intervertebral disc was measured by magnetic resonance imaging (MRI), and then euthanized.
- MRI magnetic resonance imaging
- the four intervertebral discs were excised, fixed in formalin, decalcified, and embedded in paraffin to prepare a 4 ⁇ m thick sagittal section. Histological and immunohistological studies were performed using these sections to evaluate the degree of degeneration and regeneration in the disc tissue.
- the water content in the intervertebral disc at the MRI was maintained at a relatively high value as compared with the control degenerated group not transplanted, and the control degenerated group No decrease in intervertebral disc height was observed. Histological examination revealed that the intervertebral disc space into which the mesenchymal stem cells had been transplanted was filled with disc-like cells. In the following five-point evaluation of the degree of disc degeneration, stem cells were compared to those in the control degeneration group at the age of 20 weeks (after 8 weeks), which were already the most degraded grades 4-5.
- the Grade 0 to 1 was the closest to normal, even at the age of 60 weeks (after 48 weeks).
- the level of staining of proteodalican also showed that the group transplanted with the stem cells of the present invention showed 3- to 3.5-fold staining as compared with the control degeneration group, and degeneration was suppressed significantly.
- Grade 1 Light meander Grade 2: Moderate meandering
- FIGS. 1 (a), (b) and (c) magnification: 4 times
- FIGS. 2 (a), (b) and (c) Magnification: 10 times
- FIGS. 1 (a), (b) and (c) show the normal state
- FIGS. 2 (a), (b) and (c) show the regenerative state
- Figures 1 (a), (b) and (c) show the sagittal of the disc.
- FIG. 2 (a), (b) and (c) also show sagittal cut images.
- 1 is a bone
- 2 is a nucleus pulposus
- 3 is an annulus
- 4 is a cavity
- 5 Indicates transplanted stem cells.
- the nucleus pulposus 2 and the annulus fibrosus 3 exist between the bone parts 1 and no degeneration of the disc is observed, but in the degenerated state (b), the nucleus pulposus 2 does not exist and the annulus fibrosus 3 The height of the part has decreased.
- the transplanted stem cells 5 are induced to differentiate, and although they have different shapes, they are in a state corresponding to the normal state (a).
- mesenchymal stem cells are transplanted into an intervertebral disc by using the stem cell culture medium for intervertebral disc regeneration according to the present invention
- degeneration of the intervertebral disc is suppressed, and the transplanted stem cells are transplanted.
- the differentiation is induced into intervertebral disc-like cells by growth factors and induction promoting factors secreted from the site, and the disc can be regenerated.
- mesenchymal stem cells are useful as a new transplant material for disc regeneration.
- the transplantation of autologous bone marrow mesenchymal stem cells into the intervertebral disc can be performed using all materials. It is considered that this method can be expected for immediate clinical application.
- the intervertebral disc can be regenerated using stem cells other than mesenchymal stem cells, for example, universal stem cells.
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2004568729A JPWO2004076652A1 (ja) | 2003-02-25 | 2003-02-25 | 椎間板再生用の幹細胞用培地及び幹細胞を用いた椎間板の再生 |
US10/546,049 US20060153812A1 (en) | 2003-02-25 | 2003-02-25 | Medium for stem cells to be used in intervertebral disk generation and regeneration of intervertebral disk using stem cells |
PCT/JP2003/002065 WO2004076652A1 (ja) | 2003-02-25 | 2003-02-25 | 椎間板再生用の幹細胞用培地及び幹細胞を用いた椎間板の再生 |
CA002517108A CA2517108A1 (en) | 2003-02-25 | 2003-02-25 | Medium for stem cells in regeneration of intervertebral disc and regeneration of intervertebral disc using stem cells |
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PCT/JP2003/002065 WO2004076652A1 (ja) | 2003-02-25 | 2003-02-25 | 椎間板再生用の幹細胞用培地及び幹細胞を用いた椎間板の再生 |
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PCT/JP2003/002065 WO2004076652A1 (ja) | 2003-02-25 | 2003-02-25 | 椎間板再生用の幹細胞用培地及び幹細胞を用いた椎間板の再生 |
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US (1) | US20060153812A1 (ja) |
JP (1) | JPWO2004076652A1 (ja) |
CA (1) | CA2517108A1 (ja) |
WO (1) | WO2004076652A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011122601A1 (ja) * | 2010-03-30 | 2011-10-06 | 学校法人東海大学 | 椎間板髄核幹/前駆細胞、その培養方法および用途 |
WO2022163872A1 (ja) * | 2021-01-29 | 2022-08-04 | 国立大学法人北海道大学 | 椎間板再生用組成物 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1987804B1 (en) * | 2007-05-02 | 2010-12-29 | Klinikum Mannheim GmbH | Implantable system for an intervertebral disc and intervertebral disc implant |
CA2699236C (en) | 2007-09-11 | 2017-02-28 | Sapporo Medical University | Cell growth method and pharmaceutical preparation for tissue repair and regeneration |
US20150374581A1 (en) * | 2013-04-11 | 2015-12-31 | Ruth Z. Goldman | Use of autologous serum for transport of isolated stromal vascular fraction or adipose derived stem cells for reinjection |
Citations (1)
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WO2002061052A2 (en) * | 2001-01-31 | 2002-08-08 | Interface Biotech A/S | An improved in vitro method of culturing mammalian cells for autologous cell implantation/transplantation methods |
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SG49113A1 (en) * | 1993-08-06 | 1998-05-18 | Cytel Corp | Methods for ex vivo therapy using peptide-loaded antigen presenting cells for the activation of ctl |
US5736396A (en) * | 1995-01-24 | 1998-04-07 | Case Western Reserve University | Lineage-directed induction of human mesenchymal stem cell differentiation |
US6723335B1 (en) * | 2000-04-07 | 2004-04-20 | Jeffrey William Moehlenbruck | Methods and compositions for treating intervertebral disc degeneration |
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2003
- 2003-02-25 WO PCT/JP2003/002065 patent/WO2004076652A1/ja active Application Filing
- 2003-02-25 JP JP2004568729A patent/JPWO2004076652A1/ja active Pending
- 2003-02-25 US US10/546,049 patent/US20060153812A1/en not_active Abandoned
- 2003-02-25 CA CA002517108A patent/CA2517108A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002061052A2 (en) * | 2001-01-31 | 2002-08-08 | Interface Biotech A/S | An improved in vitro method of culturing mammalian cells for autologous cell implantation/transplantation methods |
Non-Patent Citations (6)
Title |
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Daisuke SAKAI et al., "Kan'yokei Kansaibo o Mochiita Tsuikanban Saisei", Saisei Iryo-The Japanese Society for Regenerative Medicine Zasshi Special extra issue, 28 February, 2003, Vol. 2, Suppl. 2003.2, page 112, 2325 * |
Daisuke SAKAI et al., "Tsuikanban Hensei Yokusei ni Taisuru Kotsuzui Kan'yokei Kansaobo Ishoku no Kenkyu", Nihon Sekitsuisekizuibyo Gakkaishi, 20 February, 2003, Vol. 14, No. 1, page 118 * |
Mutsumi TAKAGI et al., "Namkotsu Saisei o Mezashita Jiko Kessei ni yoru Hito Kan'yokei Saibo no Zoshoku", Dai 15 Kai Bioengineering Koenkai Koen Ronbunshu, 20 January, 2003, page 277 * |
Osamu ISHIKAWA, "Recklinghausen-byo Shinkeisenishu Baiyo Saibo no Tokusei", Kitakantoigaku, (1985) Vol. 35, No. 1, pages 35 - 48 * |
SAKAI, D, et al., "Transplantation of mesenchymal stem cells embedded in Atelocollagen ((R)) gel to the intervertebral disc: a potential therapeutic model for disc degeneration". Biomaterials (2003 September), Vol. 23, No. 20, pages 3531 - 3541 * |
Wu, D, et al., "Gene therapy and tissue engineering in repair of the musculoskeletal system", J.Cell Biochem., 15 February, 2003, Vol. 88, No. 3, pages 467 - 481 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011122601A1 (ja) * | 2010-03-30 | 2011-10-06 | 学校法人東海大学 | 椎間板髄核幹/前駆細胞、その培養方法および用途 |
JP5863639B2 (ja) * | 2010-03-30 | 2016-02-16 | 学校法人東海大学 | 椎間板の状態に関する指標を得る方法、椎間板障害の治療または予防方法、および髄核細胞集団のポテンシャルまたは品質の評価方法 |
WO2022163872A1 (ja) * | 2021-01-29 | 2022-08-04 | 国立大学法人北海道大学 | 椎間板再生用組成物 |
Also Published As
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JPWO2004076652A1 (ja) | 2006-06-08 |
CA2517108A1 (en) | 2004-09-10 |
US20060153812A1 (en) | 2006-07-13 |
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