JP2000510000A - 哺乳動物の膵細胞の分化状態を試験する新規な方法 - Google Patents
哺乳動物の膵細胞の分化状態を試験する新規な方法Info
- Publication number
- JP2000510000A JP2000510000A JP10529624A JP52962498A JP2000510000A JP 2000510000 A JP2000510000 A JP 2000510000A JP 10529624 A JP10529624 A JP 10529624A JP 52962498 A JP52962498 A JP 52962498A JP 2000510000 A JP2000510000 A JP 2000510000A
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- pax4
- gene
- pax6
- mammal
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.哺乳動物の膵細胞の分化状態を試験する方法であって、 (a)前記哺乳動物の膵細胞中のPax4 mRNAのレベルまたは状態を確認し、か つ/または (b)前記哺乳動物の膵細胞中のPax4タンパク質のレベルまたは状態を確認 し、そして (c)Pax4 mRNAおよび/またはPax4タンパク質の前記レベルまたは状態を、 正常膵細胞中の対応するレベルと比較する、 ことを含んでなる方法。 2.(d)前記哺乳動物の膵細胞中のPax6 mRNAのレベルまたは状態を確認し、か つ/または (e)前記哺乳動物の膵細胞中のPax6タンパク質のレベルまたは状態を確認 し、そして (f)Pax6 mRNAおよび/またはPax6タンパク質の前記レベルまたは状態を、 正常膵細胞中の対応するレベルと比較する、 ことをさらに含む、請求項1に記載の方法。 3.前記哺乳動物が、 (i) 胚体期、 (ii)新生児期、または (iii)成体期、 にある、請求項1または2に記載の方法。 4.前記哺乳動物がマウスである、請求項1〜3のいずれか1項に記載の方法。 5.前記哺乳動物がヒトである、請求項1〜3のいずれか1項に記載の方法。 6.ステップ(a)および/または(b)と場合により(d)および/または(e) をin vivoで実施する、請求項1〜5のいずれか1項に記載の方法。 7.ステップ(a)および/または(b)と場合により(d)および/または(e) をin vitroで実施する、請求項1〜5のいずれか1項に記載の方法。 8.ステップ(a)と場合によりステップ(d)での前記確認を、 (i) Pax4遺伝子の少なくとも一部に一致し、好ましくはPax4タンパク質 の少なくとも一部をコードする核酸配列、および場合によりPax6遺伝子の少なく とも一部に一致し、好ましくはPax6タンパク質の少なくとも一部をコードする第 2核酸配列、 (ii) (i)の核酸配列に相補的な核酸配列、または (iii)(i)もしくは(ii)の核酸配列とハイブリダイズするプライマーま たはプライマー対、 を用いて行う、請求項1〜7のいずれか1項に記載の方法。 9.ステップ(b)と場合によりステップ(e)での前記確認を、Pax4タンパク質 と特異的に結合する抗体またはそのフラグメントを使用し、場合により、Pax6タ ンパク質と特異的に結合する第2の抗体またはそのフラグメントを使用して行う 、請求項1〜7のいずれか1項に記載の方法。 10.前記膵細胞がβ細胞またはδ細胞である、請求項1〜9のいずれか1項に記 載の方法。 11.前記発生状態が膵細胞の悪性度または悪性力の指標となる、請求項1〜10の いずれか1項に記載の方法。 12.(a')前記試験に先立って、前記哺乳動物から固形膵臓腫瘍を摘出すること 、および (b')前記試験後、Pax4遺伝子および場合によりPax6遺伝子が過剰発現して いる場合は、前記腫瘍の細胞における前記遺伝子の発現を少なくとも部分的に排 除すること、またはPax4遺伝子および場合によりPax6遺伝子が過少発現している か発現していない場合は、前記遺伝子の発現を促進すること、もしくは発現可能 な機能性Pax4遺伝子および場合により発現可能な機能性Pax6遺伝子を前記 細胞に導入すること、および (b'')ステップ(b')の産物として得られた細胞を前記哺乳動物に再導入 すること、 をさらに含む、請求項11に記載の方法。 13.前記β細胞の発生状態が若年性糖尿病の指標となる、請求項1〜10のいず れか1項に記載の方法。 14.前記β細胞の発生状態を胚体または新生児の状態で行う、請求項13に記載の 方法。 15.前記新生児を、前記若年性糖尿病を好転または軽減する薬剤で治療すること をさらに含む、請求項14に記載の方法。 16.前記発生状態が薬剤の活性または遺伝子治療法の結果である、請求項1〜10 のいずれか1項に記載の方法。 17.前記薬剤がmRNAまたはタンパク質のレベルでPax4遺伝子の発現レベルと場合 によりPax6遺伝子の発現レベルとに影響を与える、求項16に記載の方法。 18.場合によっては同時にPax6ノックアウトマウスであり得るPax4ノックアウト マウスで前記発生状態を試験する、請求項1〜10のいずれか1項に記載の方法。 19.膵臓α細胞または膵管上皮細胞に発現可能な機能性Pax4遺伝子を導入し、場 合により発現可能な機能性Pax6遺伝子を導入することをさらに含む、請求項1〜 10のいずれか1項に記載の方法。 20.少なくとも1つの不活性化Pax4対立遺伝子を含むトランスジェニック哺乳動 物。 21.少なくとも1つの不活性化Pax6対立遺伝子をさらに含む、請求項20に記載の トランスジェニック哺乳動物。 22.ヒト、マウスまたはラットである、請求項20または21に記載のトランスジェ ニック哺乳動物。 23.哺乳動物の糖尿病および/または神経障害を治療し、予防し、および/また は遅延させるための医薬組成物を調製するための、有効 な用量の、発現可能な機能性Pax4タンパク質をコードする核酸配列および場合に より発現可能な機能性Pax6タンパク質をコードする第2核酸配列の使用。 24.前記核酸配列がPax4タンパク質および場合によりPax6タンパク質の発現およ び/または前記タンパク質の特定細胞へのターゲティングを可能にする調節エレ メントに機能しうる形で連結されている、請求項23に記載の使用。 25.哺乳動物の糖尿病および/または神経障害を治療し、予防しおよび/または 遅延させるための医薬組成物を調製するための、有効な用量の機能性Pax4タンパ ク質および場合により機能性Pax6タンパク質の使用。 26.前記哺乳動物がヒト、マウスまたはラットである、請求項23〜25のいずれか 1項に記載の使用。 27.糖尿病の治療方法であって、 (a)哺乳動物から細胞を取り出し、 (b)発現可能な機能性Pax4遺伝子および場合により発現可能な機能性Pax6 遺伝子を前記細胞に導入し、そして (c)ステップ(b)の産物として得られた細胞を前記哺乳動物にまたは同種 の哺乳動物に再導入する、 ことを含んでなる方法。 28.神経障害の治療方法であって、 (a)唾乳動物から細胞を取り出し、 (b)発現可能な機能性Pax4遺伝子および場合により発現可能な機能性Pax6 遺伝子を前記細胞に導入し、そして (c)ステップ(b)の産物として得られた細胞を前記哺乳動物にまたは同種 の哺乳動物に再導入する、 ことを含んでなる方法。 29.前記哺乳動物がヒト、マウスまたはラットである、請求項27または28に記載 の方法。 30.前記細胞が生殖細胞もしくは胚性細胞またはそれらに由来する細胞である、 請求項27〜29のいずれか1項に記載の方法。 31.前記細胞が卵細胞またはそれに由来する細胞である、請求項27〜29のいずれ か1項に記載の方法。
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US08/778,423 | 1996-12-31 | ||
US08/778,423 US6071697A (en) | 1992-08-03 | 1996-12-31 | Method for testing the differentiation status in pancreatic cells of a mammal |
PCT/EP1997/007321 WO1998029566A2 (en) | 1996-12-31 | 1997-12-30 | Novel method for testing the differentiation status in pancreatic cells of a mammal |
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JP2000510000A true JP2000510000A (ja) | 2000-08-08 |
JP3631765B2 JP3631765B2 (ja) | 2005-03-23 |
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JP52962498A Expired - Fee Related JP3631765B2 (ja) | 1996-12-31 | 1997-12-30 | 哺乳動物の膵細胞の分化状態を試験する新規な方法 |
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EP (1) | EP0958357B1 (ja) |
JP (1) | JP3631765B2 (ja) |
AT (1) | ATE310814T1 (ja) |
AU (1) | AU5985998A (ja) |
CA (1) | CA2276459C (ja) |
DE (1) | DE69734725T2 (ja) |
DK (1) | DK0958357T3 (ja) |
WO (1) | WO1998029566A2 (ja) |
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WO2019059158A1 (ja) * | 2017-09-19 | 2019-03-28 | 学校法人明治大学 | 特定の機能細胞を欠損する臓器を発達させる方法 |
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WO1999066073A1 (fr) * | 1998-06-16 | 1999-12-23 | Yamanouchi Pharmaceutical Co., Ltd. | PROCEDE DE CRIBLAGE D'AGENT DE POTENTIALISATION DU GENE Pax ET COMPOSITIONS MEDICINALES POUR LA POTENTIALISATION DU GENE Pax |
US20100135963A1 (en) * | 2004-08-11 | 2010-06-03 | Benoit Raymond Gauthier | Use of pax4 in pancreatic cell proliferation |
EP1885454A2 (en) | 2005-05-04 | 2008-02-13 | DeveloGen Aktiengesellschaft | Use of gsk-3 inhibitors for preventing and treating pancreatic autoimmune disorders |
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DE4225569C2 (de) * | 1992-08-03 | 1996-04-25 | Max Planck Gesellschaft | Verwendung einer Sonde zur Tumordiagnostik oder Tumortherapie |
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1997
- 1997-12-30 DK DK97954761T patent/DK0958357T3/da active
- 1997-12-30 EP EP97954761A patent/EP0958357B1/en not_active Expired - Lifetime
- 1997-12-30 DE DE69734725T patent/DE69734725T2/de not_active Expired - Lifetime
- 1997-12-30 JP JP52962498A patent/JP3631765B2/ja not_active Expired - Fee Related
- 1997-12-30 WO PCT/EP1997/007321 patent/WO1998029566A2/en active IP Right Grant
- 1997-12-30 CA CA002276459A patent/CA2276459C/en not_active Expired - Fee Related
- 1997-12-30 AT AT97954761T patent/ATE310814T1/de not_active IP Right Cessation
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WO2019059158A1 (ja) * | 2017-09-19 | 2019-03-28 | 学校法人明治大学 | 特定の機能細胞を欠損する臓器を発達させる方法 |
US11172657B2 (en) | 2017-09-19 | 2021-11-16 | Pormedtec Co., Ltd. | Method for developing organ that lacks specific functional cell |
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DK0958357T3 (da) | 2006-02-20 |
EP0958357B1 (en) | 2005-11-23 |
WO1998029566A2 (en) | 1998-07-09 |
CA2276459C (en) | 2007-04-03 |
ATE310814T1 (de) | 2005-12-15 |
WO1998029566A3 (en) | 1998-09-03 |
JP3631765B2 (ja) | 2005-03-23 |
CA2276459A1 (en) | 1998-07-09 |
DE69734725D1 (de) | 2005-12-29 |
AU5985998A (en) | 1998-07-31 |
DE69734725T2 (de) | 2006-08-17 |
EP0958357A2 (en) | 1999-11-24 |
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