JP2007513057A - 封入された幹細胞およびその使用 - Google Patents
封入された幹細胞およびその使用 Download PDFInfo
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Abstract
Description
2種のマウス胚幹(ES)細胞系(すなわち、どちらも公的に入手できる、ES−D3およびSCC−PSA1)は、アメリカンタイプカルチャーコレクション(「ATCC」)から入手した。
これらの実験では、他の幹細胞の増殖に及ぼす幹細胞の阻害作用について試験した。
実施例2は、幹細胞の増殖阻害作用が細胞系特異的ではないことを証明した。本実施例で示した実験では、封入された幹細胞が癌細胞の増殖を阻害する能力について試験した。
先行実験では、封入された幹細胞が幹細胞および癌細胞の増殖を阻害する能力が試験されて証明された。本実施例の次の実験は、封入された癌細胞が幹細胞の増殖を阻害できるかどうかを測定するために計画された。
幹細胞研究に関わる1つの問題は、それらの性質によって幹細胞が分化するという事実である。まず、最初に幹細胞を固定してそれらが分化しないようにするのが困難であるので、できる限り長い期間にわたりそれによって幹細胞を未分化状態で維持できる方法を利用することが望ましいであろう。
Claims (66)
- 生体適合性の選択的透過性構造物内に封入された幹細胞のサンプルを含む組成物であって、前記幹細胞のサンプルの封入が前記封入された幹細胞の少なくとも一部分の増殖を阻害する組成物。
- 前記幹細胞が、哺乳動物幹細胞である請求項1に記載の組成物。
- 前記哺乳動物幹細胞が、ヒト幹細胞である請求項2に記載の組成物。
- 前記哺乳動物幹細胞が、マウス幹細胞である請求項2に記載の組成物。
- 前記幹細胞が、胚幹細胞である請求項1に記載の組成物。
- 前記幹細胞が、アガロース中に封入されている請求項1に記載の組成物。
- 前記アガロースが、アガロースでコーティングされている請求項6に記載の組成物。
- 前記幹細胞が、アガロースおよびコラーゲンの混合物中、またはアガロースおよびゼラチンの混合物中に封入される請求項1に記載の組成物。
- 前記アガロースおよびコラーゲンの混合物、または前記アガロースおよびゼラチンの混合物がアガロースでコーティングされている請求項8に記載の組成物。
- 幹細胞の集団の少なくとも一部分の増殖を阻害するプロセスであって、前記幹細胞を、前記幹細胞がそれらの増殖を阻害する因子を産生することを誘導する生体適合性の選択的透過性構造物内に封入する工程を含むプロセス。
- 前記幹細胞が、哺乳動物幹細胞である請求項10に記載のプロセス。
- 前記哺乳動物幹細胞が、ヒト幹細胞である請求項11に記載のプロセス。
- 前記哺乳動物細胞が、マウス幹細胞である請求項11に記載のプロセス。
- 前記幹細胞が、胚幹細胞である請求項10に記載のプロセス。
- 前記幹細胞が、アガロース中に封入される請求項10に記載のプロセス。
- 前記アガロースが、アガロースでコーティングされる請求項15に記載のプロセス。
- 前記幹細胞が、アガロースおよびコラーゲンの混合物中、またはアガロースおよびゼラチンの混合物中に封入される請求項10に記載のプロセス。
- 前記アガロースおよびコラーゲンの混合物、またはアガロースおよびゼラチンの混合物がアガロースでコーティングされる請求項17に記載のプロセス。
- 封入されていない細胞集団の少なくとも一部分の増殖を阻害するための方法であって、請求項1に記載の組成物の存在下で前記細胞集団を培養する工程を含む方法。
- 前記細胞集団が、幹細胞集団である請求項19に記載の方法。
- 前記細胞集団が、前記組成物中に封入された細胞の起源の種とは異なる種由来である請求項19記載の方法。
- 前記細胞集団が、前記組成物中に封入された細胞の起源の種と同一種由来である請求項19記載の方法。
- 前記細胞集団が、癌細胞集団である請求項19に記載の方法。
- 前記細胞集団が、哺乳動物細胞集団である請求項19に記載の方法。
- 前記細胞集団が、過剰増殖性細胞集団である請求項19に記載の方法。
- 前記哺乳動物細胞集団が、ヒト細胞集団である請求項24に記載の方法。
- 前記哺乳動物細胞集団が、マウス細胞集団である請求項24に記載の方法。
- 細胞集団の少なくとも一部分の増殖を阻害するための方法であって、請求項1に記載の組成物を、それを必要とする被験者に、前記細胞集団の少なくとも一部分の増殖を阻害するために十分な量および十分な部位に投与する工程を含む方法。
- 前記細胞集団が、幹細胞集団である請求項28に記載の方法。
- 前記細胞集団が、新生物細胞を含む請求項28に記載の方法。
- 前記細胞集団が、過剰増殖性細胞集団である請求項28に記載の方法。
- 前記組成物中に封入された細胞が、前記被験者とは異なる種由来である請求項28に記載の方法。
- 前記組成物中に封入された細胞が、前記被験者と同一種由来である請求項28に記載の方法。
- 前記細胞が、前記被験者に対して自家性である請求項33に記載の方法。
- 前記被験者が、ヒトである請求項28に記載の方法。
- 前記被験者が、ヒトである請求項33に記載の方法。
- 封入されていない細胞集団の増殖を阻害するための方法であって、請求項1に記載の組成物を、培地中で前記培地内への細胞増殖阻害性物質の拡散を許容するために十分な時間にわたり培養する工程と、前記封入されていない細胞集団の増殖を阻害するために十分な時間にわたり前記培地を前記封入されていない細胞集団へ接触させる工程、とを含む方法。
- 前記封入されていない細胞集団が、幹細胞集団である請求項37に記載の方法。
- 前記封入されていない細胞集団および前記組成物中に封入された細胞が異なる種由来である、請求項37に記載の方法。
- 前記封入されていない細胞集団および前記組成物中に封入された細胞が、同一種由来である請求項37に記載の方法。
- 前記幹細胞集団が、哺乳動物細胞集団である請求項38に記載の方法。
- 前記哺乳動物細胞集団が、ヒト細胞集団である請求項41に記載の方法。
- 前記哺乳動物細胞集団が、マウス細胞集団である請求項41に記載の方法。
- 前記培地を、細胞集団の増殖を阻害することを必要とする被験者に接触させる工程を含む請求項37に記載の方法。
- 前記細胞集団が、幹細胞集団である請求項44に記載の方法。
- 前記細胞集団が、新生物細胞を含む請求項44に記載の方法。
- 前記組成物中に封入された細胞が、前記被験者とは異なる種由来である請求項44に記載の方法。
- 前記組成物中に封入された細胞が、前記被験者と同一種由来である請求項44に記載の方法。
- 前記細胞が、前記被験者に対して自家性である請求項48に記載の方法。
- 幹細胞の封入されていない集団の増殖を阻害するための方法であって、生体適合性の選択的透過性構造物内に封入された癌細胞のサンプルを含む組成物の存在下で前記幹細胞を培養する工程を含み、前記癌細胞のサンプルが前記幹細胞の増殖を阻害する物質を産生する方法。
- 前記幹細胞が、哺乳動物幹細胞である請求項50に記載の方法。
- 前記幹細胞が、胚幹細胞である請求項50に記載の方法。
- 前記哺乳動物幹細胞が、ヒト幹細胞である請求項50に記載の方法。
- 前記哺乳動物幹細胞が、マウス幹細胞である請求項50に記載の方法。
- 前記幹細胞および癌細胞が、同一種を起源とする請求項50に記載の方法。
- 前記幹細胞および癌細胞が、異なる種を起源とする請求項50に記載の方法。
- 封入されていない幹細胞の増殖を阻害するための方法であって、生体適合性の選択的透過性構造物内に封入された癌細胞のサンプルを含む組成物を培養する工程であって、前記癌細胞のサンプルが幹細胞の増殖を阻害する、そして培養培地中へ拡散する物質を産生する工程と、および前記培養培地を前記幹細胞へ接触させる工程、とを含む方法。
- 前記幹細胞が、哺乳動物幹細胞である請求項57に記載の方法。
- 前記幹細胞が、胚幹細胞である請求項57に記載の方法。
- 前記哺乳動物幹細胞が、ヒト幹細胞である請求項58に記載の方法。
- 前記哺乳動物幹細胞が、マウス幹細胞である請求項58に記載の方法。
- 前記幹細胞および癌細胞が、同一種を起源とする請求項57に記載の方法。
- 前記幹細胞および癌細胞が、異なる種を起源とする請求項57に記載の方法。
- 生体適合性の選択的透過性構造物内に封入された幹細胞のサンプルを含む組成物であって、前記幹細胞のサンプルの封入が、前記封入された幹細胞の少なくとも一部分が未分化状態で残存することを引き起こす組成物。
- 幹細胞の集団の少なくとも一部分の分化を阻害するプロセスであって、前記幹細胞を、前記幹細胞がそのような部分が未分化状態で残存することを引き起こす因子を産生することを誘導する生体適合性の選択的透過性構造物内に封入する工程を含むプロセス。
- 幹細胞の集団の少なくとも一部分の分化を阻害する方法であって、前記幹細胞を生体適合性の選択的透過性構造物内に封入する工程を含み、そのような封入が、前記幹細胞の少なくとも一部分が未分化状態で残存することを引き起こす方法。
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PCT/US2004/025713 WO2005026320A2 (en) | 2003-09-04 | 2004-08-09 | Entrapped stem cells and uses thereof |
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EP (1) | EP1660633B9 (ja) |
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SG131016A1 (en) | 2005-09-19 | 2007-04-26 | Millipore Corp | Asymmetric porous adsorptive bead |
EP2152860A4 (en) * | 2007-06-13 | 2011-12-07 | Fmc Corp | PEPTIDE-RELATED CELLULAR MATRIX MATERIAL FOR STEM CELLS AND METHODS OF USE THEREOF |
WO2010136136A2 (de) * | 2009-05-27 | 2010-12-02 | Bayer Materialscience Ag | Verfahren zur herstellung eines beschichteten zellkulturträgers |
DK2777398T3 (en) * | 2010-11-23 | 2017-06-26 | The Rogosin Inst Inc | Method for Isolating a Cancer Cell with Stem Cell Properties Resistant to Chemotherapeutic Agent |
GB2489320A (en) * | 2011-03-21 | 2012-09-26 | Univ Reading | Transport of cells by encapsulating in a hydrogel |
PL2809782T3 (pl) | 2012-01-31 | 2018-04-30 | The Rogosin Institute, Inc. | Ulepszony sposób wytwarzania makroperełek |
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