JP4302158B2 - アルツハイマー病用のトランスジェニック動物モデル - Google Patents
アルツハイマー病用のトランスジェニック動物モデル Download PDFInfo
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Description
スウェーデン二重変異を持つヒトAPP751cDNAを5'末端で修飾して、最適翻訳開始配列(GCC GCC ATG G)を再構築する。
単離した転写単位をB6D2F1×B6D2F1胚の前核に注入して、初代トランスジェニック動物を作製する。
K. Andrea et al., Neurobiology of Aging, Vol. 17, No. 2, 183-190 (1996)に記載の方法に従い実施する。
初代トランスジェニック動物の子は、イン・シツハイブリダイゼーションにより示されているように、脳構造全体においてヒトAPPmRNAを高い量で発現する。測定したトランスジーン誘導タンパク質の量は、内生APP量の5倍ないし10倍を上回る。6ヶ月齢で、これらのマウスは、大脳皮質におけるヒトβA4ペプチドの細胞外沈積と海馬状隆起形成を示す。これらの沈積物は、メテナミン銀透浸、チオフラビンS染色およびコンゴ・レッド複屈折に陽性である。これらは、反応性星状細胞およびジストロフィー性神経突起に囲まれている。更に、斑は、AD患者の脳に見られるような過リン酸化した微小管関連タンパク質tauに特異的な抗血清と免疫反応性であり、このことは、類似のトランスジェニック動物についてはこれまで報告されていなかった。従って、これらのマウスの脳における上記沈積は、AD患者で見られる老人性斑に非常によく似ている。アセチルコリンエステラーゼで染色すると、斑の強力な標識化とコリン作用性繊維網の局所歪曲が観察される。斑は、増大したジストロフィー性神経突起に似た構造においてアセチルコリンエステラーゼ活性を含有する。このコリン作用性神経突起の変性は、ADに関連してよく知られた別の特徴である。更に、斑付近のニューロンの局所変性が海馬CA1などのADにおいて典型的に影響を受ける領域にて観察される。ここで、ニューロン損失は斑負担に反比例して、20%程度に及んだ。
上記のようにして得られたトランスジェニックマウスは、Mega et al. (1996) Neurology 46, 130-135に報告されたようなAD罹病患者で観察される変化に対応する顕著な非認知性行動変化を示す。
更に、マウスは、顕著な認知障害を示す。
例えば、Morris et al. (1982) Nature 297, 681-683の水迷路では、非トランスジェニック同腹子と比べて、昇降台の前の位置にある環形を横断した動物は顕著に少なく(2.5±0.5対4.4±0.7;p<0.05、2−テイル マン−ホイットニーU試験)、またこれらのマウスが環形を含む四分円の中で過ごした時間の割合も顕著に低かった(20.8±3.8対33.1±3.2;p<0.05、2−テイル マン−ホイットニーU試験)。
(1)一般的情報:
(i)出願人:
(A)名称:ノバルティス・アクチエンゲゼルシャフト
(B)通り:シュバルツバルトアレー215
(C)都市:バーゼル
(E)国:スイス
(F)郵便番号(ZIP): CH-4058
(ii)発明の名称:トランスジェニック動物
(iii)配列の数:1
(iv)コンピューター読解可能形式:
(A)媒介タイプ:フロッピーディスク
(B)コンピューター:IBM PC互換性
(C)オペレーティングシステム: PC-DOS/MS-DOS
(D)ソフトウェア:PatentIn Release #1.0, Version #1.30 (EPO)
(2)配列番号1の情報:
(i)配列の特徴:
(A)配列の長さ:10塩基対
(B)配列の型:核酸
(C)鎖の数:二本鎖
(D)トポロジー:直鎖状
(ii)配列の種類:cDNA
(xi)配列の記載:配列番号1:
gccgccatgg 10
Claims (11)
- Thy−1プロモーターエレメントが、齧歯類Thy−1プロモーターエレメントであり、スウェーデン変異が、APP(アミロイド前駆体タンパク質)ポリペプチドに存在する唯一の変異であることを特徴とする、Thy−1プロモーターエレメントに機能的に連結した、スウェーデン変異を含むヒトAPPポリペプチドをコードするポリヌクレオチドからなる組換えDNA構築物。
- スウェーデン変異が、APPポリペプチドに存在する唯一の変異であり、Thy−1プロモーターエレメントが、マウスを含む齧歯類Thy−1プロモーターエレメントであることを特徴とする、スウェーデン変異を含む変異ヒトAPPポリペプチドをコードするDNAが、Thy−1プロモーターエレメントの転写制御下で発現される、トランスジェニックマウス細胞。
- 請求項1に記載の組換えDNA構築物を発現し、かつ、AD(アルツハイマー病)の病状であるβA4沈積および/またはtauの過リン酸化を示すことを特徴とする、トランスジェニックマウス。
- スウェーデン変異が、APPポリペプチドに存在する唯一の変異であり、Thy−1プロモーターエレメントが、齧歯類Thy−1プロモーターエレメントであることを特徴とする、スウェーデン変異を含む変異ヒトAPPポリペプチドをコードするDNAを含む組換えマウスDNAが、Thy−1プロモーターエレメントの転写制御下で発現される、請求項3に記載のトランスジェニックマウス。
- 該マウスが、請求項1に記載の組換えDNA構築物をそのマウスゲノムに組込むことにより作製されることを特徴とする、請求項3に記載のトランスジェニックマウスの作製法。
- 請求項1に記載の組換えDNA構築物から得られた転写単位をマウス胚の前核に注入し、そうして得られた初代トランスジェニックマウスを繁殖させることを含むことを特徴とする、請求項5に記載の方法。
- 請求項3または4に記載のトランスジェニックマウスを動物モデルとして使用するか、または請求項2に記載の細胞を標的細胞として使用することを特徴とする、アルツハイマー病の処置のための潜在的な治療剤を試験する方法。
- 潜在的な治療剤を請求項5または6に記載の方法により作成したトランスジェニックマウスに投与することを特徴とする、請求項7に記載の方法。
- 潜在的な治療剤を請求項3または4に記載のトランスジェニックマウスに投与するか、または請求項2に記載の細胞と接触させ、そしてβA4沈積および/またはtauの過リン酸化を決定することを特徴とする、請求項7に記載の方法。
- 請求項7から9のいずれか1項に記載の方法を含むことを特徴とする、スクリーニング法。
- 請求項2に記載の細胞を含むことを特徴とする、スクリーニング用キット。
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| GBGB9615569.2A GB9615569D0 (en) | 1996-07-24 | 1996-07-24 | Improvements in or relating to organic compounds |
| GBGB9711262.7A GB9711262D0 (en) | 1997-06-02 | 1997-06-02 | Improvements in or relating to organic compounds |
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| JP10506589A Division JP2000515743A (ja) | 1996-07-24 | 1997-07-23 | アルツハイマー病用のトランスジェニック動物モデル |
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| JP10506589A Withdrawn JP2000515743A (ja) | 1996-07-24 | 1997-07-23 | アルツハイマー病用のトランスジェニック動物モデル |
| JP2007219852A Expired - Fee Related JP4302158B2 (ja) | 1996-07-24 | 2007-08-27 | アルツハイマー病用のトランスジェニック動物モデル |
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| EP (1) | EP0920495B1 (ja) |
| JP (2) | JP2000515743A (ja) |
| AT (1) | ATE394481T1 (ja) |
| AU (1) | AU718473B2 (ja) |
| DE (1) | DE69738668D1 (ja) |
| ES (1) | ES2307300T3 (ja) |
| PT (1) | PT920495E (ja) |
| WO (1) | WO1998003644A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20010016951A1 (en) | 1996-07-24 | 2001-08-23 | Bernd Sommer | Transgenic animal model for alzheimer disease |
| EP1063298A3 (en) * | 1999-06-04 | 2001-03-28 | Glaxo Group Limited | Transgenic Animal Model for Alzheimer Disease |
| GB0012056D0 (en) * | 2000-05-18 | 2000-07-12 | Consejo Superior Investigacion | Model for neurodegenerative disease |
| EP2338510A1 (en) | 2002-07-19 | 2011-06-29 | Novartis Pharma AG | Vaccine compositions containing amyloid beta1-6 antigen arrays |
| SE0400707D0 (sv) | 2004-03-22 | 2004-03-22 | Bioarctic Neuroscience Ab | Transgenic animal model |
| US7544855B2 (en) * | 2004-04-23 | 2009-06-09 | Buck Institute | Transgenic mouse whose genome comprises an APP having a mutation at amino acid 664 |
| GB201204816D0 (en) | 2012-03-19 | 2012-05-02 | Brainco Biopharma S L | Transgenic animal model of mood disorders |
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| AU671093B2 (en) * | 1992-01-07 | 1996-08-15 | Elan Pharmaceuticals, Inc. | Transgenic animal models for alzheimer's disease |
| WO1994012627A1 (en) * | 1992-11-25 | 1994-06-09 | Cephalon, Inc. | Transgenic animal model for alzheimer's disease |
| AU702293B2 (en) * | 1993-10-27 | 1999-02-18 | Athena Neurosciences, Inc. | Transgenic animals harboring APP allele having Swedish mutation |
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| AU718473B2 (en) | 2000-04-13 |
| ATE394481T1 (de) | 2008-05-15 |
| ES2307300T3 (es) | 2008-11-16 |
| DE69738668D1 (de) | 2008-06-19 |
| PT920495E (pt) | 2008-08-18 |
| AU3770797A (en) | 1998-02-10 |
| WO1998003644A1 (en) | 1998-01-29 |
| EP0920495A1 (en) | 1999-06-09 |
| JP2000515743A (ja) | 2000-11-28 |
| EP0920495B1 (en) | 2008-05-07 |
| JP2008054678A (ja) | 2008-03-13 |
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