JP6728307B2 - 組織製品の酵素処理方法 - Google Patents
組織製品の酵素処理方法 Download PDFInfo
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- A—HUMAN NECESSITIES
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- 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
- A61L27/3683—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 subjected to a specific treatment prior to implantation, e.g. decellularising, demineralising, grinding, cellular disruption/non-collagenous protein removal, anti-calcification, crosslinking, supercritical fluid extraction, enzyme treatment
- A61L27/3687—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 subjected to a specific treatment prior to implantation, e.g. decellularising, demineralising, grinding, cellular disruption/non-collagenous protein removal, anti-calcification, crosslinking, supercritical fluid extraction, enzyme treatment characterised by the use of chemical agents in the treatment, e.g. specific enzymes, detergents, capping agents, crosslinkers, anticalcification agents
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- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/56—Porous materials, e.g. foams or sponges
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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
- A61L27/14—Macromolecular materials
- A61L27/22—Polypeptides or derivatives thereof, e.g. degradation products
- A61L27/24—Collagen
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- 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
- A61L27/3604—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 characterised by the human or animal origin of the biological material, e.g. hair, fascia, fish scales, silk, shellac, pericardium, pleura, renal tissue, amniotic membrane, parenchymal tissue, fetal tissue, muscle tissue, fat tissue, enamel
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- 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
- A61L27/3604—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 characterised by the human or animal origin of the biological material, e.g. hair, fascia, fish scales, silk, shellac, pericardium, pleura, renal tissue, amniotic membrane, parenchymal tissue, fetal tissue, muscle tissue, fat tissue, enamel
- A61L27/362—Skin, e.g. dermal papillae
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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
- A61L27/3604—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 characterised by the human or animal origin of the biological material, e.g. hair, fascia, fish scales, silk, shellac, pericardium, pleura, renal tissue, amniotic membrane, parenchymal tissue, fetal tissue, muscle tissue, fat tissue, enamel
- A61L27/3625—Vascular tissue, e.g. heart valves
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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
- A61L27/3604—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 characterised by the human or animal origin of the biological material, e.g. hair, fascia, fish scales, silk, shellac, pericardium, pleura, renal tissue, amniotic membrane, parenchymal tissue, fetal tissue, muscle tissue, fat tissue, enamel
- A61L27/3629—Intestinal tissue, e.g. small intestinal submucosa
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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
- A61L27/3641—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 characterised by the site of application in the body
- A61L27/3645—Connective tissue
- A61L27/3662—Ligaments, tendons
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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
- A61L27/3683—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 subjected to a specific treatment prior to implantation, e.g. decellularising, demineralising, grinding, cellular disruption/non-collagenous protein removal, anti-calcification, crosslinking, supercritical fluid extraction, enzyme treatment
- A61L27/3695—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 subjected to a specific treatment prior to implantation, e.g. decellularising, demineralising, grinding, cellular disruption/non-collagenous protein removal, anti-calcification, crosslinking, supercritical fluid extraction, enzyme treatment characterised by the function or physical properties of the final product, where no specific conditions are defined to achieve this
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/02—Drugs for dermatological disorders for treating wounds, ulcers, burns, scars, keloids, or the like
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
- A61P37/06—Immunosuppressants, e.g. drugs for graft rejection
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P41/00—Drugs used in surgical methods, e.g. surgery adjuvants for preventing adhesion or for vitreum substitution
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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
- C12P1/00—Preparation of compounds or compositions, not provided for in groups C12P3/00 - C12P39/00, by using microorganisms or enzymes
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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
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/40—Preparation and treatment of biological tissue for implantation, e.g. decellularisation, cross-linking
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Description
「無細胞組織マトリックス」という用語は、本明細書で使用する場合、一般に、細胞および/または細胞成分を実質的に含まない任意の組織マトリックスを指す。皮膚、皮膚の一部(例えば、真皮)、および他の組織、例えば、血管、心臓弁、筋膜、軟骨、骨、神経結合組織などを使用して、本開示の範囲に入る無細胞マトリックスを作製することができる。無細胞組織マトリックスが細胞および/または細胞成分を実質的に含まないかどうかを判定するために、多くの方法で無細胞組織マトリックスの試験または評価を行うことができる。例えば、処理された組織を光学顕微鏡検査で検査して、細胞(生細胞もしくは死細胞)および/または細胞成分が残存するかどうかを判定することができる。さらに、特定のアッセイを使用して細胞または細胞成分の有無を確認することができる。例えば、DNAまたは他の核酸のアッセイを使用して、組織マトリックス中に残存する核物質を定量することができる。一般に、残存するDNAまたは他の核酸がない場合、完全に脱細胞化されている(即ち、細胞および/または細胞成分が除去されている)ことが分かる。最後に、細胞特異的成分(例えば、表面抗原)を同定する他のアッセイを使用して、組織マトリックスが無細胞であるかどうかを判定することができる。皮膚、皮膚の一部(例えば、真皮)、および他の組織、例えば、血管、心臓弁、筋膜、軟骨、骨、および神経結合組織などを使用して、本開示の範囲に入る無細胞マトリックスを作製することができる。
Claims (8)
- 組織マトリックスの処理方法において、
上皮を含まない皮膚組織マトリックスを選択するステップと、
前記皮膚組織マトリックスを第1の溶液で処理して前記皮膚組織マトリックスから実質的にすべての細胞および細胞成分を除去するステップと、
前記皮膚組織マトリックスに所望のレベルの可撓性を生じさせるのに十分な条件下で、前記皮膚組織マトリックスをスルフヒドリルプロテアーゼを含む第2の溶液と接触させるステップと、
を含むことを特徴とする方法。 - 請求項1に記載の方法において、前記スルフヒドリルプロテアーゼがブロメラインであることを特徴とする方法。
- 請求項1に記載の方法において、前記スルフヒドリルプロテアーゼがブロメライン、パパイン、フィシン、アクチニジン、またはこれらの組み合わせから選択されることを特徴とする方法。
- 請求項1に記載の方法において、引張強度、引裂強度、縫合強度、耐クリープ性、破裂強度、熱転移温度、またはこれらの組み合わせの少なくとも1つの望ましくない変化を生じさせない条件下で、前記組織マトリックスを前記スルフヒドリルプロテアーゼと接触させることを特徴とする方法。
- 請求項1に記載の方法において、引張強度、引裂強度、縫合強度、耐クリープ性、熱転移温度、またはこれらの組み合わせの統計学的に有意な低下を引き起こさない条件下で、前記組織マトリックスを前記スルフヒドリルプロテアーゼと接触させることを特徴とする方法。
- 請求項1に記載の方法において、前記皮膚組織マトリックスがインタクトな組織を含むことを特徴とする方法。
- 組織マトリックスの処理方法において、
上皮を含まない皮膚無細胞組織マトリックスを選択するステップと、
前記皮膚無細胞組織マトリックスに所望のレベルの可撓性を生じさせるのに十分な条件下で、前記皮膚無細胞組織マトリックスをスルフヒドリルプロテアーゼと接触させるステップと、
を含むことを特徴とする方法。 - 請求項7に記載の方法において、引張強度、引裂強度、縫合強度、耐クリープ性、熱転移温度、またはこれらの組み合わせの統計学的に有意な低下を引き起こさない条件下で、前記皮膚無細胞組織マトリックスを前記スルフヒドリルプロテアーゼと接触させることを特徴とする方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161479937P | 2011-04-28 | 2011-04-28 | |
| US61/479,937 | 2011-04-28 |
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| JP2017131018A Division JP6437598B2 (ja) | 2011-04-28 | 2017-07-04 | 組織製品の酵素処理方法 |
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| JP2020114059A Division JP2020171735A (ja) | 2011-04-28 | 2020-07-01 | 組織製品の酵素処理方法 |
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| Publication Number | Publication Date |
|---|---|
| JP2019037837A JP2019037837A (ja) | 2019-03-14 |
| JP6728307B2 true JP6728307B2 (ja) | 2020-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2014508580A Active JP6243326B2 (ja) | 2011-04-28 | 2012-04-27 | 組織製品の酵素処理方法 |
| JP2017131018A Active JP6437598B2 (ja) | 2011-04-28 | 2017-07-04 | 組織製品の酵素処理方法 |
| JP2018213410A Active JP6728307B2 (ja) | 2011-04-28 | 2018-11-14 | 組織製品の酵素処理方法 |
| JP2020114059A Pending JP2020171735A (ja) | 2011-04-28 | 2020-07-01 | 組織製品の酵素処理方法 |
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| JP2014508580A Active JP6243326B2 (ja) | 2011-04-28 | 2012-04-27 | 組織製品の酵素処理方法 |
| JP2017131018A Active JP6437598B2 (ja) | 2011-04-28 | 2017-07-04 | 組織製品の酵素処理方法 |
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| Country | Link |
|---|---|
| US (3) | US9206442B2 (ja) |
| EP (3) | EP3789047A1 (ja) |
| JP (4) | JP6243326B2 (ja) |
| KR (4) | KR102109309B1 (ja) |
| CN (2) | CN105854083A (ja) |
| AU (4) | AU2012249538B2 (ja) |
| BR (1) | BR112013027307B1 (ja) |
| CA (1) | CA2832731C (ja) |
| DK (2) | DK2701755T3 (ja) |
| ES (2) | ES2847409T3 (ja) |
| IL (2) | IL229055A0 (ja) |
| RU (1) | RU2639477C2 (ja) |
| SG (2) | SG194098A1 (ja) |
| WO (1) | WO2012149253A1 (ja) |
| ZA (1) | ZA201308882B (ja) |
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|---|---|---|---|---|
| CN105854083A (zh) | 2011-04-28 | 2016-08-17 | 生命细胞公司 | 组织产品的酶处理方法 |
| US9238793B2 (en) | 2011-04-28 | 2016-01-19 | Lifecell Corporation | Method for enzymatic treatment of tissue products |
| US10207025B2 (en) | 2011-04-28 | 2019-02-19 | Lifecell Corporation | Method for enzymatic treatment of tissue products |
| US10314594B2 (en) | 2012-12-14 | 2019-06-11 | Corquest Medical, Inc. | Assembly and method for left atrial appendage occlusion |
| US10307167B2 (en) | 2012-12-14 | 2019-06-04 | Corquest Medical, Inc. | Assembly and method for left atrial appendage occlusion |
| US10813630B2 (en) | 2011-08-09 | 2020-10-27 | Corquest Medical, Inc. | Closure system for atrial wall |
| EP3777906A1 (en) | 2012-07-06 | 2021-02-17 | LifeCell Corporation | Decellularized muscle matrix |
| US20140142689A1 (en) | 2012-11-21 | 2014-05-22 | Didier De Canniere | Device and method of treating heart valve malfunction |
| EP3659633A1 (en) * | 2013-02-06 | 2020-06-03 | LifeCell Corporation | Methods for localized modification of tissue products |
| WO2014160008A1 (en) | 2013-03-14 | 2014-10-02 | Musculoskeletal Transplant Foundation | Soft tissue repair allografts and methods for preparing same |
| US20150037436A1 (en) | 2013-07-30 | 2015-02-05 | Musculoskeletal Transplant Foundation | Acellular soft tissue-derived matrices and methods for preparing same |
| CN103393482B (zh) | 2013-08-14 | 2016-04-06 | 北京瑞健高科生物科技有限公司 | 一种基于组织基质材料的乳房假体支撑装置及其制备方法 |
| CN103432627B (zh) * | 2013-08-26 | 2015-03-25 | 北京瑞健高科生物科技有限公司 | 一种制备动物脱细胞组织基质材料的方法及其制备的组织基质材料 |
| SG10202004124UA (en) * | 2013-09-05 | 2020-06-29 | Lifecell Corp | Method for enzymatic treatment of tissue products |
| WO2015066668A1 (en) * | 2013-11-04 | 2015-05-07 | Lifecell Corporation | Methods of removing alpha-galactose |
| US9566443B2 (en) | 2013-11-26 | 2017-02-14 | Corquest Medical, Inc. | System for treating heart valve malfunction including mitral regurgitation |
| WO2016018687A1 (en) * | 2014-07-30 | 2016-02-04 | Lifecell Corporation | Methods for selection of age-appropriate tissues |
| US10842626B2 (en) | 2014-12-09 | 2020-11-24 | Didier De Canniere | Intracardiac device to correct mitral regurgitation |
| US10912864B2 (en) | 2015-07-24 | 2021-02-09 | Musculoskeletal Transplant Foundation | Acellular soft tissue-derived matrices and methods for preparing same |
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