JP4079775B2 - β−アミロイドペプチドの可溶性環状類似体 - Google Patents
β−アミロイドペプチドの可溶性環状類似体 Download PDFInfo
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- JP4079775B2 JP4079775B2 JP2002556620A JP2002556620A JP4079775B2 JP 4079775 B2 JP4079775 B2 JP 4079775B2 JP 2002556620 A JP2002556620 A JP 2002556620A JP 2002556620 A JP2002556620 A JP 2002556620A JP 4079775 B2 JP4079775 B2 JP 4079775B2
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Description
配列番号1: β-AP(1-43)の野生型アミノ酸配列、
配列番号2〜19: 本発明によるアミノ酸配列(それぞれの場合に、分子内架橋形成がアミノ酸17と21の側鎖間に存在する)。
ペプチドは、PAM樹脂でBoc/Bzl合成ストラテジーを用いて現行の固相ペプチド合成法により調製した(Barany, G., Kneib-Cordonier, N. & Mullen, D. G. (1987) J. Pept. Res. 30, 705-739)。HF/アニソール(10:1)を用いて樹脂からペプチドを切り離し、そしてC18カラム上での調製用HPLCにより精製した(Kapurniotu & Taylor, (1995) J. Med. Chem. 38, 836-847)。cβ-AP128を合成するには、Lys17とAsp21の側鎖をFmocまたはフルオレニル-メチルエステル(OFm)保護基で保護し、これらの保護基はその後ラクタム橋の形成に先立って20%ピペリジン/DMFを用いて選択的に除去した(Kapurniotu & Taylor, J. Med. Chem. 38, 836-847 (1995))。側鎖-側鎖環化は、ベンゾトリアゾール-1-イルオキシ-トリス(ジメチルアミノ)ホスホニウム-ヘキサフルオロホスフェート(BOP)を用いて行った。反応の完了についてカイザー試験(Kapurniotu & Taylor (1995) J. Med. Chem. 38, 836-847)により調べた。完全な環化反応を達成するために、環化反応をDMF、NMPおよびDMSOの混合物中で4回実施した(1回の環化時間は約20時間とした)。HPLCで精製した生成物の塊をMALDI-MSにより測定し、その純度を分析用HPLCにより証明した。
cβ-AP128の物理化学的性質およびフィブリル形成の試験
cβ-APの物理化学的性質は、FT-IR(フーリエ変換赤外線分光器)およびCD(円偏光二色性分光偏光計)により調べた。cβ-AP128のフィブリルの性質を検査するために、EM(電子顕微鏡)およびAFM(原子力顕微鏡)を使用した。EM研究には、初めに10mM リン酸緩衝液、150mM NaClおよび30%アセトニトリル、pH 5.5中のcβ-AP128またはβ-AP(1-28)または[Lys17, Asp21]β-AP(1-28)の450μM溶液を数日間インキュベートし、フィブリル形成について調べた。この研究では、cβ-AP128の高濃度溶液は多くの日数(30日以上)にわたり全くフィブリンを形成しないことが示された(図1A)。これは対照ペプチドβ-AP(1-28)(天然に存在する配列)および[Lys17, Asp21]β-AP(1-28)(直鎖状対照ペプチド)と対照的であり、これらは3日間のインキュベーション後に完全にフィブリル化した(図1B、1C)。
cβ-AP128がβ-AP(1-28)の凝集およびフィブリル形成に及ぼす効果をCDおよびEMで試験した。10mM リン酸緩衝液、150mM NaClおよび30%アセトニトリル、pH 5.5中の450μMのβ-AP(1-28)およびcβ-AP128の溶液を数日間インキュベートし、フィブリル形成についてEMで試験した(図2Aおよび2B)。β-AP単独または[Lys17, Asp21]β-AP(1-28)単独は10時間以内にβプリーツシート構造を形成して、その後不溶性アミロイドとして沈殿したにもかかわらず、CDはこの混合物の1ヶ月以上にわたるCDスペクトルに何の変化も示さなかった。
Claims (16)
- アミロイド形成のインヒビターの生物活性を有するペプチドであって、該ペプチドはβ-アミロイドペプチド(β-AP)であり、アミノ酸の側鎖間の共有結合により分子内架橋が形成されることを特徴とする、以下の (a) から (r) のいずれかのペプチド:
(a) 配列番号2に示すアミノ酸配列からなるシクロ 17,21 [Lys 17 , Asp 21 ] β - AP( 1-28 );
(b) 配列番号3に示すアミノ酸配列からなるシクロ 17,21 [Lys 17 , Asp 21 ] β - AP( 1-40 );
(c) 配列番号4に示すアミノ酸配列からなるシクロ 17,21 [Lys 17 , Asp 21 ] β - AP( 1-42 );
(d) 配列番号5に示すアミノ酸配列からなるシクロ 17,21 [Asp 17 , Lys 21 ] β - AP( 1-28 );
(e) 配列番号6に示すアミノ酸配列からなるシクロ 17,21 [Asp 17 , Lys 21 ] β - AP( 1-40 );
(f) 配列番号7に示すアミノ酸配列からなるシクロ 17,21 [Asp 17 , Lys 21 ] β - AP( 1-42 );
(g) 配列番号8に示すアミノ酸配列からなるシクロ 17,21 [Asp 17 , Orn 21 ] β - AP( 1-28 );
(h) 配列番号9に示すアミノ酸配列からなるシクロ 17,21 [Asp 17 , Orn 21 ] β - AP( 1-40 );
(i) 配列番号10に示すアミノ酸配列からなるシクロ 17,21 [Asp 17 , Orn 21 ] β - AP( 1-42 );
(j) 配列番号11に示すアミノ酸配列からなるシクロ 17,21 [Asp 17 , Dab 21 ] β - AP( 1-28 );
(k) 配列番号12に示すアミノ酸配列からなるシクロ 17,21 [Asp 17 , Dab 21 ] β - AP( 1-40 );
(l) 配列番号13に示すアミノ酸配列からなるシクロ 17,21 [Asp 17 , Dab 21 ] β - AP( 1-42 );
(m) 配列番号14に示すアミノ酸配列からなるシクロ 17,21 [Orn 17 , Asp 21 ] β - AP( 1-28 );
(n) 配列番号15に示すアミノ酸配列からなるシクロ 17,21 [Orn 17 , Asp 21 ] β - AP( 1-40 );
(o) 配列番号16に示すアミノ酸配列からなるシクロ 17,21 [Orn 17 , Asp 21 ] β - AP( 1-42 );
(p) 配列番号17に示すアミノ酸配列からなるシクロ 17,21 [Dab 17 , Asp 21 ] β - AP( 1-28 );
(q) 配列番号18に示すアミノ酸配列からなるシクロ 17,21 [Dab 17 , Asp 21 ] β - AP( 1-40 );および
(r) 配列番号19に示すアミノ酸配列からなるシクロ 17,21 [Dab 17 , Asp 21 ] β - AP( 1-42 )。 - 架橋形成しているアミノ酸の側鎖が直接的にまたはアミノカルボキシ、ジアミノおよびジカルボキシ化合物からなる群から選択されるスペーサーを介して共有結合されている、請求項1に記載のペプチド。
- 前記ペプチドが担体上に固定化されている、請求項1または 2に記載のペプチド。
- 請求項1〜3のいずれか1項に記載のペプチドを特異的に認識する抗体。
- モノクローナルまたはポリクローナル抗体である、請求項4に記載の抗体。
- 請求項1〜3のいずれか1項に記載のペプチドおよび製薬上許容される担体を含有する医薬組成物。
- 検出マーカーをもつ請求項1〜3のいずれか1項に記載のペプチドまたは請求項4もしくは5に記載の抗体を含有するアミロイド形成を特徴とする疾患の診断用組成物。
- 請求項7に記載のアミロイド形成を特徴とする疾患の診断用組成物であって、検出マーカーが放射性標識、蛍光標識、酵素標識、発光標識またはスピン標識である、請求項7に記載の診断用組成物。
- アミロイド形成を特徴とする疾患がアルツハイマー病である請求項7または8に記載の診断用組成物。
- 検出マーカーをもつ請求項1〜3のいずれか1項に記載のペプチドまたは検出マーカーをもつ請求項4もしくは5に記載の抗体を、プローブとして、検査すべきサンプルにin vitro で接触させ、該ペプチドと、場合により存在するアミロイド形成性β-APペプチドまたはその凝集体と、の結合を検出することを特徴とする、アミロイド形成性β-APまたはその凝集体の定性的および/または定量的検出方法。
- 請求項1〜3のいずれか1項に記載のペプチドをin vitro で液体と接触させて、インキュベートすることを特徴とする、該液体中に含まれるアミロイド形成性β-APからの凝集体形成を阻止する方法。
- 請求項1〜3のいずれか1項に記載のペプチドの、アミロイド形成を特徴とする疾患の予防および/または治療のための医薬の製造への使用。
- アミロイド形成を特徴とする疾患がアルツハイマー病である請求項12に記載の使用。
- 請求項1〜3のいずれか1項に記載のペプチドの、診断用、治療用および研究用の抗体を生産するための改良された取り扱い特性を有する免疫原であって非ヒト動物に投与される免疫原としての使用。
- 液体からアミロイドを調製的に枯渇させるための、請求項14に記載の方法。
- 液体が体液である、請求項15に記載の方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10101430A DE10101430B4 (de) | 2001-01-13 | 2001-01-13 | Lösliche cyclische Analoga zur Modulation der Amyloidogenese |
| PCT/EP2001/015181 WO2002055552A2 (de) | 2001-01-13 | 2001-12-21 | Lösliche cyclische analoga des beta amyloiden peptides |
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| Publication Number | Publication Date |
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| JP2004526693A JP2004526693A (ja) | 2004-09-02 |
| JP4079775B2 true JP4079775B2 (ja) | 2008-04-23 |
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| JP2002556620A Expired - Fee Related JP4079775B2 (ja) | 2001-01-13 | 2001-12-21 | β−アミロイドペプチドの可溶性環状類似体 |
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| Country | Link |
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| US (2) | US7342091B2 (ja) |
| EP (1) | EP1353948B1 (ja) |
| JP (1) | JP4079775B2 (ja) |
| AT (1) | ATE307143T1 (ja) |
| AU (1) | AU2002229677A1 (ja) |
| CA (1) | CA2433687A1 (ja) |
| DE (2) | DE10101430B4 (ja) |
| DK (1) | DK1353948T3 (ja) |
| ES (1) | ES2250509T3 (ja) |
| WO (1) | WO2002055552A2 (ja) |
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| DE10303974A1 (de) | 2003-01-31 | 2004-08-05 | Abbott Gmbh & Co. Kg | Amyloid-β(1-42)-Oligomere, Verfahren zu deren Herstellung und deren Verwendung |
| EP1676859A1 (en) * | 2004-12-30 | 2006-07-05 | Pevion Biotech Ltd. | Immunogenic compositions of cyclic peptides derived from the beta-amyloid peptide |
| DK1976877T4 (en) | 2005-11-30 | 2017-01-16 | Abbvie Inc | Monoclonal antibodies to amyloid beta protein and uses thereof |
| CA2628703C (en) | 2005-11-30 | 2019-10-29 | Abbott Laboratories | Anti-a.beta. globulomer antibodies, antigen-binding moieties thereof, corresponding hybridomas, nucleic acids, vectors, host cells, methods of producing said antibodies, compositions comprising said antibodies, uses of said antibodies and methods of using said antibodies |
| US8455626B2 (en) | 2006-11-30 | 2013-06-04 | Abbott Laboratories | Aβ conformer selective anti-aβ globulomer monoclonal antibodies |
| WO2008104386A2 (en) | 2007-02-27 | 2008-09-04 | Abbott Gmbh & Co. Kg | Method for the treatment of amyloidoses |
| RU2546234C2 (ru) * | 2008-07-01 | 2015-04-10 | Де Стат Дер Недерланден, Верт.Дор Де Министер Ван Ввс | Вакцина против интермедиата с амилоидным сворачиванием |
| CN102203124A (zh) * | 2008-07-25 | 2011-09-28 | 雅培制药有限公司 | 淀粉状蛋白β肽类似物,其寡聚物,用于制备的方法以及包括所述类似物或寡聚物的组合物,及其用途 |
| CN104744591B (zh) | 2010-04-15 | 2022-09-27 | Abbvie德国有限责任两合公司 | β淀粉样蛋白结合蛋白 |
| WO2012024187A1 (en) | 2010-08-14 | 2012-02-23 | Abbott Laboratories | Amyloid-beta binding proteins |
| EP3374381A4 (en) * | 2015-11-09 | 2019-05-15 | The University Of British Columbia | EPITOPES IN THE AMYLOID-BETA MEDIUM REGION AND CONFORMITY-SELECTIVE ANTIBODIES THEREOF |
| WO2017079835A1 (en) * | 2015-11-09 | 2017-05-18 | The University Of British Columbia | Amyloid beta epitopes and antibodies thereto |
| US20180125920A1 (en) | 2016-11-09 | 2018-05-10 | The University Of British Columbia | Methods for preventing and treating A-beta oligomer-associated and/or -induced diseases and conditions |
| US12286469B2 (en) | 2017-07-18 | 2025-04-29 | The University Of British Columbia | Humanized antibodies binding to amyloid-beta (A-beta) |
| KR20240013764A (ko) | 2021-05-26 | 2024-01-30 | 리게인 테라퓨틱스 스웨덴 에이비 | 단백질병증의 치료 및/또는 예방을 위한 조성물 및 방법 |
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| US5262332A (en) * | 1989-04-05 | 1993-11-16 | Brigham And Women's Hospital | Diagnostic method for Alzheimer's disease: examination of non-neural tissue |
| CA2214247C (en) * | 1995-03-14 | 2004-02-10 | Praecis Pharmaceuticals Incorporated | Modulators of amyloid aggregation |
| DE19725619A1 (de) | 1997-06-17 | 1998-12-24 | Fraunhofer Ges Forschung | Peptide als Agonisten und/oder Inhibitoren der Amyloidbildung und Zytotoxizität sowie der Verwendung bei Alzheimer'schen Krankheit, beim Typ II Diabetes mellitus und bei spongiformen Encephalopathien |
| AU778005B2 (en) * | 1998-12-24 | 2004-11-11 | Bristol-Myers Squibb Pharma Company | Succinoylamino benzodiazepines as inhibitors of Abeta protein production |
| KR20060133114A (ko) * | 1999-11-05 | 2006-12-22 | 액소닉스, 인코포레이티드. | 아밀로이드, 아밀로이드-유사 침착물, 또는 β-쉬이트가풍부한 그의 병리학적 전구체로의 비정상적 단백질 폴딩과관련된 질환의 치료에 있어서 생체내에서 사용하기에적합한 펩티드 동족체 및 유사체 |
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- 2001-12-21 DK DK01990584T patent/DK1353948T3/da active
- 2001-12-21 WO PCT/EP2001/015181 patent/WO2002055552A2/de not_active Ceased
- 2001-12-21 ES ES01990584T patent/ES2250509T3/es not_active Expired - Lifetime
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Also Published As
| Publication number | Publication date |
|---|---|
| DE10101430A1 (de) | 2002-08-01 |
| AU2002229677A1 (en) | 2002-07-24 |
| EP1353948B1 (de) | 2005-10-19 |
| WO2002055552A3 (de) | 2003-04-24 |
| ATE307143T1 (de) | 2005-11-15 |
| US7342091B2 (en) | 2008-03-11 |
| US20040116337A1 (en) | 2004-06-17 |
| DE10101430B4 (de) | 2008-10-02 |
| ES2250509T3 (es) | 2006-04-16 |
| US20080146508A1 (en) | 2008-06-19 |
| DE50107777D1 (de) | 2005-11-24 |
| WO2002055552A2 (de) | 2002-07-18 |
| EP1353948A2 (de) | 2003-10-22 |
| CA2433687A1 (en) | 2002-07-18 |
| JP2004526693A (ja) | 2004-09-02 |
| DK1353948T3 (da) | 2006-02-27 |
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