JP3766668B2 - 脳中への細胞の移植のための医薬組成物 - Google Patents
脳中への細胞の移植のための医薬組成物 Download PDFInfo
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Description
本発明者らは、最初に細胞をインビトロで支持体マトリックス、例えば直径90μmのガラスビーズ上で培養することにより、成熟したCNSニューロンまたは培養細胞などの細胞を首尾よく哺乳類の脳に移植することができるという予期できない発見をした。細胞が付着するビーズをレシピエントの脳中に走触性的に注入する。このように注入された細胞は生存力を保ち、従って効果的に移植することができる。種の障壁を超えて移植されたときでさえ、細胞はインビボで長期の生存と生存力を示す。
図1は、ガラスマイクロビーズ上の成熟副腎髄質細胞を移植したラット脳の断面図の光学顕微鏡写真である。この断面図は、チロシンヒドロキシラーゼ(TH)を西洋ワサビペルオキシダーゼを用いて組織化学的に固定・染色したものである。暗く染色された部分は、THを含む細胞を示している。染色パターンは、切片に入ったニードル管を右側に示している。中央の大きな円形染色部分は、移植された細胞の塊を示している。注入された細胞は、一部がニードル管まで後方に延びて、「腺様」パターンを形成している(厚さ:20ミクロン; 倍率:100×)。
本発明に従うと、細胞は支持体の外側表面に付着する; 細胞は、閉じられた室内にカプセル化されてはおらず、この室内においては、開示されたカプセル化支持体の排除容量を所与のものとすると、細胞の生存は疑わしいものとなるであろう。さらに、本発明の支持体マトリックスは、低分子量物質は通過させるが巨大分子(>50 kD)は排除させるAebischer装置の選択的透過 性などの材料が特別な透過性を持つという必要要件を提出しない。
成熟ラットからの副腎クロマフィン細胞を公知の方法に従って調製した(Inoue, M. et al., A.J. Physiol. 257 (Cell Physiol. 26):C906-912 (1989)を参照)。ネンブタールによる麻酔の後、頭を切除して殺し、副腎を除去した。注意深い顕微解剖により、髄質から被膜および皮質物質を取り除いた。組織を2片もしくは3片に切断して、140 mM NaCl、5 mM KCl、5.2 mM MgCl2、5 mM HEPES、10mM D-glucoseを含むpH7.4のカルシウムを含まない平衡塩類溶液中の0.2 %コラゲナーゼとともに30分間インキュベートした。この酵素処理後、調製物を99.9% O2をあわ立たせることによりやさしく振とうした。消化後、組織を上記の塩溶液で3
〜4回洗浄し、次にパスツールピペット中でやさしく粉砕した。
副腎髄質を成熟モルモットから実施例Iに記載の方法に従って取り出し、実施例Iに記載の方法を用いた。ガラスマイクロビーズ上に付着した細胞をラット脳に注入した。細胞は少なくとも21日間、完全な健康状態で生き続けた。どんな免疫学的拒絶の兆候も見られなかった。
培養したヒト包皮繊維芽細胞を上記のようにガラスマイクロビーズに付着させて、これをラット脳に注入した。細胞の局在する場所は、繊維芽細胞に選択的に結合するヒトIgG、次にフルオレスセイン結合ヤギ抗ヒトIgG抗体を用いる免疫蛍光によって特定した。移植されたヒト細胞は少なくとも21日間完全な健康状態で生き続けた。どんな免疫学的拒絶の兆候も見られなかった。
Claims (16)
- 哺乳類の脳または脊髄に神経活性物質を供給するために、生存能のある非病原性の培養細胞を注入するための医薬組成物であって、該組成物はマイクロビーズの形をした支持体マトリックスの外側表面に付着した細胞を含んでなり、ただし該細胞は支持体マトリックスによりカプセル化されておらず、該細胞は神経もしくは傍神経に由来するかまたは神経活性物質を発現もしくは産生できるものであり、そして該支持体マトリックスは該細胞がin vitroインキュベーション後に付着する材料で構成されており、かつ該材料は移植された細胞を破壊する反応または移植された細胞の生物活性を妨害する反応を示すことなく哺乳類の脳または脊髄に移植可能であり、該細胞が網膜色素上皮(RPE)細胞、副腎クロム親和性細胞、体細胞ハイブリッド形成により作られた細胞、グリア細胞と共培養した神経もしくは傍神経細胞の混合物、および遺伝的に修飾された繊維芽細胞からなる群より選択される、前記医薬組成物。
- 前記細胞が移植されると、移植された細胞は非病原性のままで生存能を保持し、かつ欠乏または欠損している神経活性物質を哺乳類の脳または脊髄に供給し、該物質の欠乏または欠損が神経学的疾患または機能障害をもたらすものである、請求項1に記載の医薬組成物。
- 前記支持体マトリックスが多孔性または非多孔性マイクロビーズである、請求項1または2に記載の医薬組成物。
- 前記支持体マトリックスが90から150μmまでの直径を有するマイクロビーズである、請求項3に記載の医薬組成物。
- 前記支持体マトリックスがガラス、ポリスチレン、ポリプロピレン、ポリエチレン、ポリカーボネート、ポリペンテン、アクリロニトリルポリマー、ナイロンおよびマグネタイト(磁鉄鋼)よりなる群から選択された材料でできている、請求項1〜4のいずれか1項に記載の医薬組成物。
- 前記支持体マトリックスがゼラチン、天然の多糖類、修飾された多糖類およびコラーゲンよりなる群から選択された材料でできている、請求項1〜4のいずれか1項に記載の医薬組成物。
- 前記細胞が樹立された細胞系に由来するものである、請求項1〜6のいずれか1項に記載の医薬組成物。
- 前記細胞系が神経細胞系、副腎髄質細胞系、網膜色素上皮細胞系、ハイブリッド神経細胞もしくはハイブリッド傍神経細胞、または神経活性物質を発現する組換え繊維芽細胞系である、請求項7に記載の医薬組成物。
- 前記細胞が1種以上のタンパク質をコードする遺伝物質のトランスフェクションにより遺伝的に修飾されており、該遺伝的に修飾された細胞が神経伝達物質、神経成長因子、または脳代謝に関与する酵素を産生できるようにしてある、請求項1〜8のいずれか1項に記載の医薬組成物。
- 前記神経活性物質を供給される脳または脊髄が神経学的疾患または障害を受けやすい、請求項1〜9のいずれか1項に記載の医薬組成物。
- 前記疾患または障害がパーキンソン病、パーキンソン病様疾患、アルツハイマー病、ハンチントン病、てんかん、および外傷性脳損傷よりなる群から選択される、請求項10に記載の医薬組成物。
- パーキンソン病またはドーパミンの欠乏もしくは欠損により特徴づけられる疾患または障害を患う哺乳類の脳にドーパミンを供給するために、生存能のある非病原性細胞を注入するための医薬組成物であって、該組成物は支持体マトリックスの外側表面に付着した細胞を含んでなり、該細胞はドーパミンまたはドーパミン作動性物質を産生する副腎クロム親和性細胞または網膜色素上皮細胞であり、そして該支持体マトリックスは該細胞がin vitroインキュベーション後に付着するゼラチンマイクロビーズからなり、該ゼラチンマイクロビーズは哺乳類の脳に移植可能であり、該脳に移植された細胞は非病原性のままで生存能を保持し、かつ該脳にドーパミンを供給する、前記医薬組成物。
- アルツハイマー病を患う哺乳類の脳にアセチルコリンを供給するために、生存能のある非病原性細胞を注入するための医薬組成物であって、該組成物は支持体マトリックスの外側表面に付着した細胞を含んでなり、該細胞はアセチルコリンを産生するものであり、そして該支持体マトリックスは該細胞がin vitroインキュベーション後に付着するゼラチンマイクロビーズからなり、該ゼラチンマイクロビーズは哺乳類の脳に移植可能であり、該脳に移植された細胞は非病原性のままで生存能を保持し、かつ該脳にアセチルコリンを供給する、前記医薬組成物。
- ハンチントン病を患う哺乳類の脳にγアミノ酪酸(GABA)、アセチルコリンまたはそれらの混合物を供給するために、生存能のある非病原性細胞を注入するための医薬組成物であって、該組成物は支持体マトリックスの外側表面に付着した細胞を含んでなり、該細胞はGABA、アセチルコリンまたはそれらの混合物を産生するものであり、そして該支持体マトリックスは該細胞がin vitroインキュベーション後に付着するゼラチンマイクロビーズからなり、該ゼラチンマイクロビーズは哺乳類の脳に移植可能であり、該脳に移植された細胞は非病原性のままで生存能を保持し、かつ該脳にGABA、アセチルコリンまたはそれらの混合物を供給する、前記医薬組成物。
- てんかんを患う哺乳類の脳にγアミノ酪酸(GABA)を供給するために、生存能のある非病原性細胞を注入するための医薬組成物であって、該組成物は支持体マトリックスの外側表面に付着した細胞を含んでなり、該細胞はGABAを産生するものであり、そして該支持体マトリックスは該細胞がin vitroインキュベーション後に付着するゼラチンマイクロビーズからなり、該ゼラチンマイクロビーズは哺乳類の脳に移植可能であり、該脳に移植された細胞は非病原性のままで生存能を保持し、かつ該脳にGABAを供給する、前記医薬組成物。
- 請求項1〜15のいずれか1項に記載の医薬組成物を含有する、該医薬組成物を注入するための装置。
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US59980290A | 1990-10-19 | 1990-10-19 |
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JP51806691A Division JP3657001B2 (ja) | 1990-10-19 | 1991-10-09 | 脳中への細胞の移植方法およびそのための治療的使用 |
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JP51806691A Expired - Fee Related JP3657001B2 (ja) | 1990-10-19 | 1991-10-09 | 脳中への細胞の移植方法およびそのための治療的使用 |
JP2003304393A Expired - Fee Related JP3766668B2 (ja) | 1990-10-19 | 2003-08-28 | 脳中への細胞の移植のための医薬組成物 |
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EP (1) | EP0554352B1 (ja) |
JP (2) | JP3657001B2 (ja) |
AT (1) | ATE233809T1 (ja) |
AU (1) | AU665933B2 (ja) |
CA (1) | CA2094280C (ja) |
DE (1) | DE69133205T2 (ja) |
DK (1) | DK0554352T3 (ja) |
ES (1) | ES2193132T3 (ja) |
HK (1) | HK1013802A1 (ja) |
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US5618531A (en) | 1990-10-19 | 1997-04-08 | New York University | Method for increasing the viability of cells which are administered to the brain or spinal cord |
AU3586993A (en) * | 1992-01-23 | 1993-09-01 | New York University | A method for transplanting cells into the brain and therapeutic uses therefor |
IL109280A0 (en) * | 1993-04-15 | 1994-07-31 | Regeneron Pharma | Neurotrophins for treatment of depression |
EP0708662A1 (en) * | 1993-04-30 | 1996-05-01 | Massachusetts Institute Of Technology | Injectable polysaccharide-cell compositions |
EP2025353A2 (en) * | 1993-04-30 | 2009-02-18 | Massachusetts Institute of Technology | Injectable polysaccharide-cell compositions |
US5709854A (en) | 1993-04-30 | 1998-01-20 | Massachusetts Institute Of Technology | Tissue formation by injecting a cell-polymeric solution that gels in vivo |
WO1996028174A1 (en) * | 1995-03-13 | 1996-09-19 | University Of South Florida | Sertoli cells as transplantation facilitator for cell transplantation |
US5830460A (en) | 1995-03-13 | 1998-11-03 | University Of South Florida | Sertoli cells as transplantation facilitator for cell transplantation |
EP1006801A4 (en) * | 1995-03-13 | 2001-05-02 | Univ South Florida | SERTOLI CELLS AS INDICATORS OF NEUROREGENERATION IN NEURODEGENERATIVE DISEASES |
US5855610A (en) | 1995-05-19 | 1999-01-05 | Children's Medical Center Corporation | Engineering of strong, pliable tissues |
US5741685A (en) * | 1995-06-07 | 1998-04-21 | Children's Medical Center Corporation | Parenchymal cells packaged in immunoprotective tissue for implantation |
DE69631490T2 (de) * | 1995-11-09 | 2004-10-07 | Univ Massachusetts Boston | Wiederherstellung der gewebeoberfläche mit zusammensetzungen aus hydrogel-zellen |
AU1319797A (en) * | 1996-01-23 | 1997-08-20 | Srl Inc. | Cells for treating dementia |
US6210664B1 (en) * | 1996-04-08 | 2001-04-03 | New York University Medical Center | Method for gene transfer to the central nervous system |
US6660301B1 (en) | 1998-03-06 | 2003-12-09 | Biosphere Medical, Inc. | Injectable microspheres for dermal augmentation and tissue bulking |
US6171610B1 (en) | 1998-04-24 | 2001-01-09 | University Of Massachusetts | Guided development and support of hydrogel-cell compositions |
US6027744A (en) * | 1998-04-24 | 2000-02-22 | University Of Massachusetts Medical Center | Guided development and support of hydrogel-cell compositions |
ATE327783T1 (de) * | 2000-03-20 | 2006-06-15 | Biosphere Medical Inc | Injizierbare mikrokügelchen für den gewebeaufbau |
EP1656957B1 (en) * | 2000-03-20 | 2015-06-03 | Biosphere Medical, Inc. | Injectable microspheres for tissue construction |
US7338657B2 (en) | 2001-03-15 | 2008-03-04 | Biosphere Medical, Inc. | Injectable microspheres for tissue construction |
US6436424B1 (en) | 2000-03-20 | 2002-08-20 | Biosphere Medical, Inc. | Injectable and swellable microspheres for dermal augmentation |
AU2001249221A1 (en) * | 2000-03-20 | 2001-10-03 | Biosphere Medical, Inc. | Injectable and swellable microspheres for tissue bulking |
EP1627911A1 (en) | 2004-08-20 | 2006-02-22 | Schering Aktiengesellschaft | Washing apparatus |
US8382704B2 (en) | 2006-12-29 | 2013-02-26 | Medrad, Inc. | Systems and methods of delivering a dilated slurry to a patient |
WO2011060135A1 (en) | 2009-11-12 | 2011-05-19 | Vbi Technologies, Llc | Subpopulations of spore-like cells and uses thereof |
EP2351779B1 (en) | 2010-01-27 | 2019-04-24 | Biosphere Medical, Inc. | Microspheres and method of making the microspheres |
GB2571696B (en) | 2017-10-09 | 2020-05-27 | Compass Pathways Ltd | Large scale method for the preparation of Psilocybin and formulations of Psilocybin so produced |
AU2019371464A1 (en) * | 2018-11-04 | 2021-06-03 | Figene, Llc | Treatment of cerebral hypoxia including stroke, chronic traumatic encephalopathy, and traumatic brain injury |
KR20220009954A (ko) | 2019-04-17 | 2022-01-25 | 컴퍼스 패쓰파인더 리미티드 | 신경인지 장애, 만성 통증을 치료하고 염증을 감소시키는 방법 |
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US4748121A (en) * | 1984-11-30 | 1988-05-31 | Ppg Industries, Inc. | Porous glass fibers with immobilized biochemically active material |
US5032508A (en) * | 1988-09-08 | 1991-07-16 | Marrow-Tech, Inc. | Three-dimensional cell and tissue culture system |
US4900553A (en) * | 1987-09-11 | 1990-02-13 | Case Western Reserve University | Method of reducing glial scar formation and promoting axon and blood vessel growth and/or regeneration through the use of activated immature astrocytes |
US4892538A (en) * | 1987-11-17 | 1990-01-09 | Brown University Research Foundation | In vivo delivery of neurotransmitters by implanted, encapsulated cells |
ATE119787T1 (de) * | 1989-04-25 | 1995-04-15 | Childrens Medical Center | Implantaten für grosse mengen von zellen auf polymerische matrizen. |
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DE69133205T2 (de) | 2003-12-11 |
JP2004041757A (ja) | 2004-02-12 |
WO1992006702A1 (en) | 1992-04-30 |
HK1013802A1 (en) | 1999-09-10 |
CA2094280A1 (en) | 1992-04-20 |
CA2094280C (en) | 2003-07-29 |
JPH06502406A (ja) | 1994-03-17 |
EP0554352A1 (en) | 1993-08-11 |
DK0554352T3 (da) | 2003-06-10 |
AU8923591A (en) | 1992-05-20 |
EP0554352A4 (ja) | 1994-04-27 |
JP3657001B2 (ja) | 2005-06-08 |
ATE233809T1 (de) | 2003-03-15 |
DE69133205D1 (de) | 2003-04-10 |
EP0554352B1 (en) | 2003-03-05 |
AU665933B2 (en) | 1996-01-25 |
ES2193132T3 (es) | 2003-11-01 |
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