JPH11514877A - 機能性ランゲルハンス島のインビトロ成長およびそのインビボの使用 - Google Patents
機能性ランゲルハンス島のインビトロ成長およびそのインビボの使用Info
- Publication number
- JPH11514877A JPH11514877A JP9516734A JP51673497A JPH11514877A JP H11514877 A JPH11514877 A JP H11514877A JP 9516734 A JP9516734 A JP 9516734A JP 51673497 A JP51673497 A JP 51673497A JP H11514877 A JPH11514877 A JP H11514877A
- Authority
- JP
- Japan
- Prior art keywords
- cells
- pancreatic
- islet
- cell
- culture
- 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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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.膵島細胞または膵島様構造を産生するための膵島産生幹細胞(IPSC) のインビトロ成長方法であって、 哺乳動物種からの膵細胞を、約0.5%未満の標準血清と約1mM未満のグルコ ースを補足した基本栄養培地で培養し、 IPSCを少なくとも約3週間成長させ、そして 培養IPSCに、約0.5〜10%の標準血清と約2.5mM〜10mMのグルコ ースを補足した栄養培地を再栄養補給することにより、成熟膵島細胞への細胞分 化を開始させる、 ことからなる、上記方法。 2.膵細胞はヒト膵島細胞であり、血清は標準ヒト血清である、請求の範囲第 1項に記載の方法。 3.膵細胞はマウス膵島細胞であり、血清は標準マウス血清である、請求の範 囲第1項に記載の方法。 4.栄養培地は高アミノ酸栄養培地からなる、請求の範囲第1項に記載の方法 。 5.細胞培養物を再度栄養補給するために使用される培地は、さらにグルコー スを含む、請求の範囲第1項に記載の方法。 6.請求の範囲第1項に記載の方法であって、同種の標準血清を補足した栄養 培地で膵細胞培養物を再度栄養補給することにより培養物成長の約4〜5週間目 に、培養幹細胞の分化が開始される、上記方法。 7.培養物に再度栄養補給して細胞分化を開始した後、約1週間間隔で再度栄 養補給する、請求の範囲第1項に記載の方法。 8.膵島細胞が得られたものと同じ哺乳動物種から標準血清が得られる、請求 の範囲第1項に記載の方法。 9.膵島様組織構造は、IPSCの分化後に産生される、請求の範囲第1項に 記載の方法。 10.請求の範囲第1項に記載の方法により産生される膵島細胞。 11.請求の範囲第9項に記載の方法により産生される膵島様組織構造。 12.請求の範囲第1項の膵細胞を培養し、この膵細胞培養物から内分泌ホル モンを回収することからなる、内分泌ホルモンの産生方法。 13.ホルモンはヒトホルモンである、請求の範囲第12項に記載の方法。 14.ホルモンはマウスホルモンである、請求の範囲第12項に記載の方法。 15.請求の範囲第12項に記載の方法であって、標準血清を補足した栄養培 地でIPSC細胞培養物を再度栄養補給することにより培養物成長の約4〜5週 間目に、分化が開始される、上記方法。 16.内分泌ホルモンは、インスリン、グルカゴン、およびソマトスタチンよ りなる群から選択される、請求の範囲第12項に記載の方法。 17.請求の範囲第1項に記載の方法により産生される膵島細胞または膵島様 構造を、哺乳動物の組織に体内移植することからなる、哺乳動物の膵様臓器の産 生方法。 18.請求の範囲第17項に記載の方法によりインビボで哺乳動物の膵様臓器 を産生することからなる、哺乳動物の膵臓疾患の治療方法。 19.膵島様構造を哺乳動物に体内移植することにより産生される膵様臓器で あって、膵島様構造は、 哺乳動物種からの膵細胞中に存在する膵島産生幹細胞(IPSC)を、約0. 5%未満の標準血清と約1mM未満のグルコースを補足した基本栄養培地で培養し 、 IPSCを少なくとも約3週間成長させ、そして 培養IPSCに、約0.5〜10%の標準血清と約2.5mM〜10mMのグルコ ースを補足した栄養培地を再栄養補給することにより、成熟膵島細胞への細胞分 化を開始させる、 ことにより産生される、上記臓器。 20.膵島様構造は、α細胞、β細胞、およびδ細胞よりなる群から選択され る細胞からなる、請求の範囲第1項に記載の方法。 21.哺乳動物に体内移植される膵島様構造または膵島細胞は、移植を受ける 哺乳動物の自己由来である、請求の範囲第17項に記載の方法。 22.哺乳動物はヒトである、請求の範囲第17項に記載の方法。 23.臓器はヒトで産生される、請求の範囲第19項に記載の膵様臓器。 24.請求の範囲第17項に記載の方法により産生される膵様臓器を有する、 ヒト以外の哺乳動物。 25.哺乳動物はマウスである、請求の範囲第17項に記載の哺乳動物。 26.少なくとも1つの膵幹細胞を哺乳動物の組織に体内移植することからな る、哺乳動物の膵様臓器の産生方法。 27.請求の範囲第26項に従って産生される哺乳動物の膵様臓器。 28.少なくとも1つの膵幹細胞は、インスリン以外のインスリン依存性糖尿 病自己抗原を発現しないように修飾されているか、または幹細胞が膵様臓器に分 化するときヒト白血球抗原を発現しないように修飾されている、請求の範囲第2 6項に記載の方法。 29.少なくとも1つの膵幹細胞は、インスリン、グルカゴン、ソマトスタチ ンおよび他の膵産生因子透過性カプセルにカプセル化される、請求の範囲第26 項に記載の方法。 30.少なくとも1つの膵幹細胞をインビトロで培養することからなる、膵幹 細胞の分化の解析方法。 31.膵様構造への分化を開始させるために少なくとも1つの幹細胞を誘導す ることからさらになる、請求の範囲第30項に記載の方法。 32.分化プロセスの複数の異なる段階に特異的なmRNAまたはタンパク質 マーカーを同定することからさらになる、請求の範囲第31項に記載の方法。 33.タンパク質マーカーは、細胞表面に発現されるか、分泌されるか、また は細胞内にある、請求の範囲第32項に記載の方法。 34.膵幹細胞またはさらに分化した膵細胞に選択的に結合するリガンド結合 分子を作成する方法であって、 未使用Bリンパ球またはTリンパ球を請求の範囲第33項に記載の方法により 同定されたタンパク質マーカーと接触させ、 そのBリンパ球またはTリンパ球を培養して拡張してリガンド結合分子を産生 する細胞の集団を得る、 ことからなる、上記方法。 35.請求の範囲第34項に記載の方法により調製されるリガンド結合分子。 36.抗体、モノクローナル抗体、またはT細胞受容体である、請求の範囲第 35項に記載のリガンド結合分子。 37.膵幹細胞、または膵幹細胞と完全に分化した膵細胞との間の任意の段階 の部分的に分化した膵細胞を単離する方法であって、 分化の所定の段階の細胞により発現される細胞表面タンパク質マーカーに結合 する請求の範囲第35項に記載のリガンド結合分子で、上記細胞を含む細胞の集 団から細胞を選択するか、あるいは、 細胞の表面には存在しない細胞表面タンパク質マーカーに結合する、請求の範 囲第35項に記載のリガンド結合分子で、上記細胞を含む細胞の集団から他の細 胞を選択して除去する、 ことからなる、上記方法。 38.請求の範囲第37項に記載の方法により単離される、単離された細胞。 39.単離された膵幹細胞または単離された膵幹細胞の集団。 40.IDDに罹患しているか、またはそのリスクのある哺乳動物を治療する 方法であって、 a.哺乳動物から膵組織を取り出し; b.膵組織に存在する多分化能膵細胞をインビトロで培養して膵島様構造を生 成させ;そして c.該膵島様構造を該哺乳動物に体内移植する ことからなる、上記方法。 41.未分化状態または分化状態のIPSC中でインスリン依存性糖尿病自己 抗原を発現しないように修飾したIPSC。 42.修飾の結果として発現されない自己抗原は、GAD、64kD膵島細胞表 面抗原、およびHLAマーカーから選択される、請求の範囲第41項に記載の修 飾IPSC。 43.請求の範囲第5項に記載の方法であって、約10〜25mMのグルコース 、肝細胞成長/分散因子、ケラチノサイト成長因子、繊維芽細胞成長因子、上皮 成長因子、インスリン様成長因子、ニコチンアミド、またはIPSCにより産生 されるオートクリン成長因子を含有させることにより、分化が増強される、上記 方 法。 44.栄養再補給培地中のグルコース濃度は、約16.7mMである、請求の範 囲第43項に記載の方法。 45.多分化能幹細胞または前駆細胞からの膵島のインビトロ新生の方法であ って、 a.IPSCの生成を可能にする、膵管上皮細胞の間質、または「栄養(nurs e)」細胞単層を確立し; b.IPSCの周期的再生を促進し、またIPSCの未熟な分化も防止する、 培養条件により、幹/前駆細胞増殖を誘導し;そして c.α、βおよびδ細胞を含む膵島様構造を作成するために、IPSCを拡張 および分化させる、 ことからなる、上記方法 46.インビトロで培養中の上皮細胞と初期の増殖している膵島様構造を連続 して移送することからなる、IPSCの長期増殖方法。 47.膵島様構造の中央部のインスリン特異的色素で染色される大きな分化し た細胞;周辺部のグルカゴン特異的色素で染色される小さい分化した細胞;およ び内部皮質部のどの内分泌ホルモン特異的な色素でも染色されない増殖中の未分 化細胞を特徴とする、培養で生成した膵島様構造であって、 この構造はさらに、タンパク質分解性酵素の存在下で機械的手段によりこの構 造を単細胞懸濁液に破壊し、次に個々の細胞を染色すると、グルカゴン特異的色 素(α細胞)、インスリン特異的色素(β細胞)またはソマトスタチン特異的色 素(δ細胞)のいずれかで染色される個々の細胞集団が観察されることを特徴と する、上記構造。 48.請求の範囲第45項に記載の膵島のインビトロ新生の方法であって、 a.グルコースをほとんどまたは全く含まず、約0.5%未満の濃度の血清、 そこから膵細胞を得た種の細胞にとって必須なアミノ酸、および基本的脂質源を 含む最少培地に、該培養物中の細胞の約99%が死ぬまで、膵細胞を分散して静 置し(第I段階); b.工程(a)の培養物に、約1〜10mMグルコースおよび約0.5%〜10 %血清(しかし、毒性量より少ない量)を補足した最少培地で栄養を再補給し、 急速な増殖が起こるまで週に1回程度栄養を再補給し; c.工程(b)の培養物に、0.5%〜10%血清および約10〜25mMグル コースを補足した最少培地(場合により成長因子または細胞因子を添加して)で 栄養を再補給し(第III段階);、 d.膵島様構造を培地中に発芽させ; e.膵島様構造を回収する、 ことからなる、上記方法。
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US08/547,746 US6001647A (en) | 1994-04-28 | 1995-10-25 | In vitro growth of functional islets of Langerhans and in vivo uses thereof |
US08/547,746 | 1995-10-25 | ||
PCT/US1996/016952 WO1997015310A1 (en) | 1995-10-25 | 1996-10-23 | In vitro growth of functional islets of langerhans and in vivo uses thereof |
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EP (1) | EP0871455A4 (ja) |
JP (1) | JPH11514877A (ja) |
AU (1) | AU739771B2 (ja) |
CA (1) | CA2235509A1 (ja) |
WO (1) | WO1997015310A1 (ja) |
Cited By (4)
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JPWO2002088335A1 (ja) * | 2001-04-24 | 2004-08-19 | 味の素株式会社 | 幹細胞及びその分離方法 |
WO2007039986A1 (ja) * | 2005-10-05 | 2007-04-12 | Osaka University | 脂肪組織由来細胞から膵内分泌細胞を得る方法 |
JP2007520194A (ja) * | 2003-06-20 | 2007-07-26 | ブレイエ・ユニバージテイト・ブリュッセル | 外分泌膵臓細胞から、膵島ベータ−細胞を生成する方法 |
JP2022105712A (ja) * | 2016-04-19 | 2022-07-14 | 凸版印刷株式会社 | 被検化合物の脈管新生阻害活性の評価方法 |
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US6638765B1 (en) | 1999-02-04 | 2003-10-28 | Mcgill University | Platform for the differentiation of cells |
GB9914890D0 (en) * | 1999-06-25 | 1999-08-25 | Univ Buckingham | Methods and compositions relating to pancreatic islet and -cell dysfunction |
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MXPA02004268A (es) * | 1999-10-29 | 2003-01-28 | Univ Mcgill | Medio para preparar celulas dediferenciadas. |
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US20030082155A1 (en) | 1999-12-06 | 2003-05-01 | Habener Joel F. | Stem cells of the islets of langerhans and their use in treating diabetes mellitus |
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CA2442177A1 (en) | 2001-03-29 | 2002-10-10 | Ixion Biotechnology, Inc. | Method for transdifferentiation of non-pancreatic stem cells to the pancreatic differentiation pathway |
US7101546B2 (en) | 2001-12-21 | 2006-09-05 | Amcyte, Inc. | In situ maturation of cultured pancreatic stem cells having a specified, intermediate stage of development |
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DE69232535D1 (de) * | 1991-06-24 | 2002-05-08 | Pacific Biomedical Res Inc | In langzeitkultur gehaltene hormon-absondernde pankreatische zellen |
JP2813467B2 (ja) * | 1993-04-08 | 1998-10-22 | ヒューマン・セル・カルチャーズ・インコーポレーテッド | 細胞培養法および培地 |
US5834308A (en) * | 1994-04-28 | 1998-11-10 | University Of Florida Research Foundation, Inc. | In vitro growth of functional islets of Langerhans |
-
1996
- 1996-10-23 AU AU74683/96A patent/AU739771B2/en not_active Ceased
- 1996-10-23 EP EP96936866A patent/EP0871455A4/en not_active Withdrawn
- 1996-10-23 JP JP9516734A patent/JPH11514877A/ja not_active Ceased
- 1996-10-23 WO PCT/US1996/016952 patent/WO1997015310A1/en not_active Application Discontinuation
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JPWO2002088335A1 (ja) * | 2001-04-24 | 2004-08-19 | 味の素株式会社 | 幹細胞及びその分離方法 |
JP2007520194A (ja) * | 2003-06-20 | 2007-07-26 | ブレイエ・ユニバージテイト・ブリュッセル | 外分泌膵臓細胞から、膵島ベータ−細胞を生成する方法 |
WO2007039986A1 (ja) * | 2005-10-05 | 2007-04-12 | Osaka University | 脂肪組織由来細胞から膵内分泌細胞を得る方法 |
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CA2235509A1 (en) | 1997-05-01 |
EP0871455A4 (en) | 2003-05-14 |
AU7468396A (en) | 1997-05-15 |
AU739771B2 (en) | 2001-10-18 |
EP0871455A1 (en) | 1998-10-21 |
WO1997015310A1 (en) | 1997-05-01 |
MX9803263A (es) | 1998-09-30 |
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