JPH08502166A - カプセル化細胞用キトサンマトリックス - Google Patents
カプセル化細胞用キトサンマトリックスInfo
- Publication number
- JPH08502166A JPH08502166A JP6509162A JP50916294A JPH08502166A JP H08502166 A JPH08502166 A JP H08502166A JP 6509162 A JP6509162 A JP 6509162A JP 50916294 A JP50916294 A JP 50916294A JP H08502166 A JPH08502166 A JP H08502166A
- Authority
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- Prior art keywords
- cell
- cells
- chitosan
- matrix
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0087—Galenical forms not covered by A61K9/02 - A61K9/7023
- A61K9/0092—Hollow drug-filled fibres, tubes of the core-shell type, coated fibres, coated rods, microtubules or nanotubes
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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
- C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
- C12N11/02—Enzymes or microbial cells immobilised on or in an organic carrier
- C12N11/10—Enzymes or microbial cells immobilised on or in an organic carrier the carrier being a carbohydrate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
- A61K9/0024—Solid, semi-solid or solidifying implants, which are implanted or injected in body tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0085—Brain, e.g. brain implants; Spinal cord
-
- 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
- A61L27/20—Polysaccharides
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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
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
- C08L5/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
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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
- C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
- C12N11/02—Enzymes or microbial cells immobilised on or in an organic carrier
- C12N11/04—Enzymes or microbial cells immobilised on or in an organic carrier entrapped within the carrier, e.g. gel or hollow fibres
-
- 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
- C12N5/0012—Cell encapsulation
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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
- C12N5/0618—Cells of the nervous system
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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
- C12N5/0618—Cells of the nervous system
- C12N5/0619—Neurons
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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
- A61K2035/126—Immunoprotecting barriers, e.g. jackets, diffusion chambers
- A61K2035/128—Immunoprotecting barriers, e.g. jackets, diffusion chambers capsules, e.g. microcapsules
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.浸透性又は半浸透性ジャケット内に封入された、本質的に非架橋のキトサン 芯マトリックスを含む3次元的な粒子を含有する、生育細胞を保持、成長、増殖 又は分化させるためのカプセル化装置。 2.請求項1に記載のマトリックス内に維持されている細胞培養物。 3.細胞が、神経分泌細胞系、β−細胞由来細胞系、繊維芽細胞、ミオサイト及 びグリア細胞からなる群から選択された細胞である請求項2に記載の細胞培養物 。 4.神経分泌細胞系がPC12細胞であり、β−細胞由来細胞系がNIT又はR IN細胞であり、及びグリア細胞が星状細胞である請求項3に記載の細胞培養物 。 5.ジャケットが熱可塑性材料である請求項1に記載の装置。 6.粒子がキトサン溶液の沈殿により形成される請求項1に記載の装置。 7.ジャケット内の芯マトリックス中に生育細胞を含む、組織への埋め込み可能 なビヒクルを作製する方法であって、次の各段階を含む方法。 (a)溶解したキトサンを含む溶液を調製する。 (b)(a)の溶液と生育細胞を混合して、混合物を形成する。 (c)(b)の混合物を浸透性又は半浸透性ジャケットによりカプセル化して ビヒクルを形成する。 (d)ビヒクル中のキトサンを沈殿させ、前述の生育細胞を分散させた粒子状 のキトサン芯マトリックスを形成する。 8.細胞が、神経分泌細胞系、β−細胞由来細胞系、繊維芽細胞、ミオサイト及 びグリア細胞からなる群から選択された細胞である請求項7に記載の方法。 9.神経分泌細胞系がPC12細胞であり、β−細胞由来細胞系がNIT又はR IN細胞であり、及びグリア細胞が星状細胞である請求項8に記載の方法。 10.請求項7に記載の方法に従い調製された芯マトリックス内に細胞を含有する 埋め込み可能なビヒクル。 11.ジャケット内の芯マトリックス中に含有される生育細胞を含む、組織への埋 め込み可能なビヒクルを作製する方法であって、次の各段階を含む方法。 (a)キトサン水溶液を調製する。 (b)(a)の溶液と生育細胞を混合し、第1のpHを示す混合物を形成する 。 (c)(b)の混合物を浸透性又は半浸透性ジャケットによりカプセル化して ビヒクルを形成する。 (d)該第1pH値を該細胞に対してやはり無毒の、第2のより高いpH値に 調整して、ビヒクル中に実質的に非架橋状態のキトサンを沈殿させる。 12.細胞が、神経分泌細胞系、β−細胞由来細胞系、繊維芽細胞、ミオサイト及 びグリア細胞からなる群から選択された細胞である請求項11に記載の方法。 13.神経分泌細胞系がPC12細胞であり、β−細胞由来細胞系がNIT又はR IN細胞であり、及びグリア細胞が星状細胞である請求項12に記載の方法。 14.請求項11に記載の方法に従い調製された芯マトリックス内に細胞を含有する 埋め込み可能なビヒクル。 15.ジャケット内の芯マトリックス中に生育細胞を含む、組織への埋め込み可能 なビヒクルを作製する方法であって、次の各段階を含む方法。 (a)溶解したキトサンを含む溶液を調製する。 (b)(a)の溶液と生育細胞を架橋剤の非存在下混合してキトサンを沈殿さ せ、粒子状のキトサンを含有する混合物を形成する。 (c)(b)の混合物を浸透性又は半浸透性ジャケットによりカプセル化して ビヒクルを形成する。 16.細胞が、神経分泌細胞系、β−細胞由来細胞系、繊維芽細胞、ミオサイト及 びグリア細胞からなる群から選択された細胞である請求項15に記載の方法。 17.神経分泌細胞系がPC12細胞であり、β−細胞由来細胞系がNIT又はR IN細胞であり、及びグリア細胞が星状細胞である請求項16に記載の方法。 18.請求項15に記載の方法に従い調製された芯マトリックス内に細胞を含有する 埋め込み可能なビヒクル。 19.下記の物を含有する細胞培養装置。 (a)多数の生育細胞。 (b)実質的に架橋していないキトサン粒子を含有する3次元的なマトリック ス。 (c)(a)及び(b)を封入する浸透性又は半浸透性ジャケット。 20.細胞が、神経分泌細胞系、β−細胞由来細胞系、繊維芽細胞、ミオサイト及 びグリア細胞からなる群から選択された細胞である請求項19に記載の細胞培養装 置。 21.神経分泌細胞系がPC12細胞であり、β−細胞由来細胞系がNIT又はR IN細胞であり、及びグリア細胞が星状細胞である請求項20に記載の細胞培養装 置。 22.下記の工程を含む組織培養物を接種する方法。 (a)水溶液に所定量のキトサンを溶解する。 (b)(a)の溶液と生育細胞を架橋剤の非存在下混合する。 (c)(b)の混合物を浸透性又は半浸透性膜により封入する。 (d)(c)中のキトサンを架橋剤の非存在下沈殿させ、粒子状の実質的に非 架橋のキトサン芯を形成する。 (e)粒子状のキトサン内で細胞を生育させ、生育細胞含有マトリックスを形 成する。 (f)(e)の封入細胞含有マトリックスを組織培養物に接種する。 23.下記の工程を含む組織培養物を接種する方法。 (a)水溶液に所定量のキトサンを溶解する。 (b)(a)の溶液と生育細胞を架橋剤の非存在下混合し、粒子状のキトサン を含有する混合物を形成する。 (c)(b)の混合物を浸透性又は半浸透性膜により封入する。 (d)粒子状のキトサン内で細胞を生育させ、生育細胞含有マトリックスを形 成する。 (e)(d)の封入細胞含有マトリックスを組織培養物に接種する。 24.熱可塑性ジャケット内に封入された、粒子状の本質的に非架橋のキトサン芯 マトリックス中に分散した生育PC12細胞を含有する、生育細胞を保持、成長 又は増殖させるための、固体の3次元的装置。 25.個体に対して生物学的に活性のある物質又は機能を供与する埋め込み可能な 免疫隔離されたビヒクルであって、以下のものを含有するビヒクル。 (a)粒子状の、実質的に架橋していないキトサン芯マトリックス中に分散し たPC12細胞を含有する芯。該細胞は個体に、選択された生物活性物質を分泌 するか又は選択された生物活性機能を供与することが可能である。 (b)該芯を包含する、該細胞が外側に突き出ていない熱可塑性物質で形成さ れた外側のジャケット。これを通じて個体と芯の間を該生物活性物質又は機能を 供与するのに必要な物質が通過する事ができ、該芯と該ジャケットの接触面には 結合が存在しない。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US95224992A | 1992-09-28 | 1992-09-28 | |
US07/952,249 | 1992-09-28 | ||
PCT/US1993/009023 WO1994007999A1 (en) | 1992-09-28 | 1993-09-22 | Chitosan matrices for encapsulated cells |
Publications (1)
Publication Number | Publication Date |
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JPH08502166A true JPH08502166A (ja) | 1996-03-12 |
Family
ID=25492702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6509162A Ceased JPH08502166A (ja) | 1992-09-28 | 1993-09-22 | カプセル化細胞用キトサンマトリックス |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP0663951B1 (ja) |
JP (1) | JPH08502166A (ja) |
KR (1) | KR950703643A (ja) |
AT (1) | ATE218614T1 (ja) |
AU (1) | AU687359B2 (ja) |
CA (1) | CA2144059A1 (ja) |
DE (1) | DE69331997T2 (ja) |
DK (1) | DK0663951T3 (ja) |
ES (1) | ES2177549T3 (ja) |
FI (1) | FI951239A (ja) |
NO (1) | NO951173L (ja) |
WO (1) | WO1994007999A1 (ja) |
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US5709854A (en) * | 1993-04-30 | 1998-01-20 | Massachusetts Institute Of Technology | Tissue formation by injecting a cell-polymeric solution that gels in vivo |
EP2025353A2 (en) * | 1993-04-30 | 2009-02-18 | Massachusetts Institute of Technology | Injectable polysaccharide-cell compositions |
ATE183078T1 (de) * | 1993-08-10 | 1999-08-15 | Gore & Ass | Zelleinkapselungsvorrichtung |
TW389694B (en) * | 1995-08-17 | 2000-05-11 | Novartis Ag | Compositions including o-carboxyalkyl chitosan and methods of use in ophthalmics |
WO1997007139A2 (en) * | 1995-08-17 | 1997-02-27 | Novartis Ag | Stabilized chitin derivative compounds |
WO1997010807A1 (en) * | 1995-09-22 | 1997-03-27 | Gore Hybrid Technologies, Inc. | Improved cell encapsulation device |
US7115417B1 (en) | 1998-05-01 | 2006-10-03 | Chancellor Michael B | Soft tissue and bone augmentation and bulking utilizing muscle-derived progenito compositions, and treatments thereof |
US6866842B1 (en) | 1998-05-01 | 2005-03-15 | University Of Pittsburgh | Muscle-derived cells (MDCs) for treating muscle-or bone-related injury or dysfunction |
WO1999060105A1 (en) * | 1998-05-15 | 1999-11-25 | Modex Therapeutiques, S.A. | Flat sheet cell encapsulation device |
AU5159901A (en) | 2000-04-14 | 2001-10-30 | Univ Pittsburgh | Soft tissue and bone augmentation and bulking utilizing muscle-derived progenitor cells, compositions and treatments thereof |
EP1372398B1 (en) | 2001-02-23 | 2013-07-10 | The University of Pittsburgh | Rapid preparation of stem cell matrices for use in tissue and organ treatement and repair |
AU2002337692B2 (en) | 2001-09-26 | 2007-09-13 | Baxter International Inc. | Preparation of submicron sized nanoparticles via dispersion and solvent or liquid phase removal |
US9617516B2 (en) | 2003-04-25 | 2017-04-11 | University Of Pittsburgh-Of The Commonwealth System Of Higher Education | Muscle-derived cells (MDCs) for promoting and enhancing nerve repair and regeneration |
US8986736B2 (en) | 2003-06-24 | 2015-03-24 | Baxter International Inc. | Method for delivering particulate drugs to tissues |
BRPI0414970A2 (pt) | 2003-06-24 | 2012-12-11 | Baxter Int | método para transporte de drogas ao cérebro |
AU2005255039A1 (en) | 2004-06-15 | 2005-12-29 | Baxter Healthcare S.A. | Ex-vivo application of solid microparticulate therapeutic agents |
CA2674795C (en) | 2007-01-11 | 2016-08-23 | University Of Pittsburgh | Muscle derived cells for the treatment of urinary tract pathologies and methods of making and using the same |
WO2009111638A1 (en) | 2008-03-05 | 2009-09-11 | Baxter International Inc. | Compositions and methods for drug delivery |
US9199003B2 (en) | 2008-08-18 | 2015-12-01 | University of Pittsburgh—of the Commonwealth System of Higher Education | Bone augmentation utilizing muscle-derived progenitor compositions in biocompatible matrix, and treatments thereof |
US10952965B2 (en) | 2009-05-15 | 2021-03-23 | Baxter International Inc. | Compositions and methods for drug delivery |
CN115287279A (zh) * | 2022-06-15 | 2022-11-04 | 浙江省农业科学院 | 一种固定化菌藻微胶囊和处理氮磷废水的方法 |
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US4803168A (en) * | 1983-09-01 | 1989-02-07 | Damon Biotech, Inc. | Microencapsulation with polymers |
GB8526096D0 (en) * | 1985-10-22 | 1985-11-27 | Robinson E | Microcarrier |
AU7646087A (en) * | 1986-06-27 | 1988-01-29 | Damon Biotech Inc. | Covalent membranes |
EP0301777A1 (en) * | 1987-07-28 | 1989-02-01 | Queen's University At Kingston | Multiple membrane microencapsulation |
US4892538A (en) * | 1987-11-17 | 1990-01-09 | Brown University Research Foundation | In vivo delivery of neurotransmitters by implanted, encapsulated cells |
US5158881A (en) * | 1987-11-17 | 1992-10-27 | Brown University Research Foundation | Method and system for encapsulating cells in a tubular extrudate in separate cell compartments |
EP0318286A3 (en) * | 1987-11-26 | 1990-10-31 | Katakura Chikkarin Co., Ltd. | A substratum for cell culture and its production and use |
-
1993
- 1993-09-22 EP EP93921720A patent/EP0663951B1/en not_active Expired - Lifetime
- 1993-09-22 AT AT93921720T patent/ATE218614T1/de not_active IP Right Cessation
- 1993-09-22 DK DK93921720T patent/DK0663951T3/da active
- 1993-09-22 ES ES93921720T patent/ES2177549T3/es not_active Expired - Lifetime
- 1993-09-22 KR KR1019950701181A patent/KR950703643A/ko not_active Application Discontinuation
- 1993-09-22 DE DE69331997T patent/DE69331997T2/de not_active Expired - Fee Related
- 1993-09-22 AU AU49322/93A patent/AU687359B2/en not_active Ceased
- 1993-09-22 JP JP6509162A patent/JPH08502166A/ja not_active Ceased
- 1993-09-22 WO PCT/US1993/009023 patent/WO1994007999A1/en active IP Right Grant
- 1993-09-22 CA CA002144059A patent/CA2144059A1/en not_active Abandoned
-
1995
- 1995-03-16 FI FI951239A patent/FI951239A/fi not_active Application Discontinuation
- 1995-03-27 NO NO951173A patent/NO951173L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1994007999A1 (en) | 1994-04-14 |
AU687359B2 (en) | 1998-02-26 |
NO951173D0 (no) | 1995-03-27 |
DE69331997T2 (de) | 2003-01-02 |
NO951173L (no) | 1995-03-27 |
ATE218614T1 (de) | 2002-06-15 |
FI951239A0 (fi) | 1995-03-16 |
FI951239A (fi) | 1995-03-16 |
CA2144059A1 (en) | 1994-04-14 |
ES2177549T3 (es) | 2002-12-16 |
EP0663951B1 (en) | 2002-06-05 |
DE69331997D1 (de) | 2002-07-11 |
EP0663951A1 (en) | 1995-07-26 |
KR950703643A (ko) | 1995-09-20 |
AU4932293A (en) | 1994-04-26 |
EP0663951A4 (en) | 1997-04-02 |
DK0663951T3 (da) | 2002-09-30 |
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