JP2009503061A - トランスグルタミナーゼ抑制剤として有用なグルコサミンまたはその誘導体 - Google Patents
トランスグルタミナーゼ抑制剤として有用なグルコサミンまたはその誘導体 Download PDFInfo
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- JP2009503061A JP2009503061A JP2008524879A JP2008524879A JP2009503061A JP 2009503061 A JP2009503061 A JP 2009503061A JP 2008524879 A JP2008524879 A JP 2008524879A JP 2008524879 A JP2008524879 A JP 2008524879A JP 2009503061 A JP2009503061 A JP 2009503061A
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- glucosamine
- transglutaminase
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- disease
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Abstract
Description
最近、Sohn等は、モルモットに花粉を用いて誘発させたアレルギー性結膜炎モデルから、ペプチドからなるトランスグルタミナーゼ抑制剤を用いて、ステロイドに匹敵する効果を得ることに成功した(Sohn, J., Kim, T.-I., Yoon, Y.-H., and Kim, S.-Y. Transglutaminase inhibitor: A New Anti-Inflammatory Approach in Allergic Conjunctivitis. J. Clin. Invest. 111, 121-8, 2003; Soo-Youl Kim.Transglutaminase 2 in inflammation. Front Biosci. 11, 3026-3035, 2006)。
トランスグルタミナーゼ(TGase、E.D.2.3.2.13)は、カルシウム依存性架橋結合促進酵素であって、タンパク質を構成しているグルタミン残基とリジン残基との間を連結する酵素である。図1に示すように、基質1はグルタミン残基(アシル供与体、アミン受容体)を提供し、基質2はリジン残基(アシル受容体、アミン供与体)を提供し、基質1と基質2とはイソペプチド結合[Nε−(γ−グルタミル)−L−リジン(GGEL)]によって共有結合する。図1において、G−Q−C−W−V−F−Aは、トランスグルタミナーゼの活性部位のアミノ酸配列を示す。この反応は、「ping−pong」反応であって、リジン残基に代えてモノアミン、ジアミン、ポリアミンなどのアミン化合物がアシル受容体として使用できる。
図1に示したトランスグルタミナーゼの反応メカニズムを考察すると、多くのアミン化合物がトランスグルタミナーゼの活性を抑制することができるものと期待される。このような物質の代表的なものとしては、シスタミン(cystamine) (Nature Genetics 18, 111-117, 1998; Nature Medicine 8, 143-149, 2002)とプトレッシン(putrescine)を挙げることができる。これらに対する生体内外実験結果は、既に多く報告されている。
そこで、本発明者は、既に安全性が認められて商用化されている天然物質のうち、トランスグルタミナーゼ抑制剤として有用な物質をスクリーニングした結果、グルコサミンまたはその誘導体からトランスグルタミナーゼ抑制剤としての活性を見出し、本発明を完成するに至った。
また、本発明の他の目的は、活性成分としてグルコサミンまたはその誘導体を使用することを特徴とする、トランスグルタミナーゼの抑制方法を提供することにある。
本発明の別の目的は、グルコサミンまたはその誘導体を用いて、トランスグルタミナーゼの活性の増加により引き起こされる疾病を治療する方法を提供することにある。
本発明の別の様態は、グルコサミンまたはグルコサミン誘導体を含む、トランスグルタミナーゼの活性の増加による疾病を予防、治療するための薬学的組成物、およびグルコサミンまたはグルコサミン誘導体を用いて前記疾病を治療する方法に関する。
本発明において、トランスグルタミナーゼ活性の増加による疾病は、トランスグルタミナーゼの活性の増加、例えばトランスグルタミナーゼの過剰発現などにより引き起こされる各種疾病を含むが、具体的には神経系疾患と癌を含む。
本発明のグルコサミンまたはグルコサミン誘導体を含む薬学的組成物は、単一剤としても使用することができ、公認された薬学組成物を含んで複合剤に製造して使用することもできる。
以下、本発明を下記の実施例によって具体的に説明する。但し、下記実施例は本発明の理解を助けるためのもので、本発明の範囲を限定するものではない。
トランスグルタミナーゼが[1,4−14C]プトレッシンをサクシニル化カゼインに結合させることを測定し、グルコサミンがプトレッシンと競争してその反応を抑制することを観察した。
グルコサミン濃度によって測定された相対的なトランスグルタミナーゼ抑制活性(%)を図2に示した。図2に示すように、トランスグルタミナーゼの活性はグルコサミンの濃度に依存的に抑制されることが分かる。
LPSによって活性化されたミクログリア、マウス(murine)BV−2細胞は、反応性ミクログリアの表現型および機能的特性を示す。トランスグルタミナーゼ抑制効果を確認するために、NF−κBの活性度を観察した。NF−κBの活性度の観察は、この転写物質によって誘導されるiNOSを測定することにより行われた。
細胞は、5%CO2、37℃の培養器で10%牛胎児血清とフェニシリン/ストレプトマイシンが添加されたDulveccoの変性Eagle培地(Invitrogen)で維持された。BV−2を活性化させるために、24時間LPS(100ng/ml;Sigma)を処理した。
このような状況でトランスグルタミナーゼのin vivo活性を測定すると、図3Bに示すように、グルコサミンの濃度に依存してトランスグルタミナーゼの活性が抑制されることが分かる。
ウェスタンブロッティングサンプルは、トリシン(Tricine)緩衝液(Invitrogen)を用いた10〜20%グラジエントSDSゲルから分離した後、ポリビニリデンジフルオリドメンブレイン(Invitrogen)に移動させた。ウェスタンブロッティングは、以前と同様の方法で行った。iNOS抗体は、Santa Cruz Co.から入手し、陰性対照群として乳酸脱水素酵素(lactate dehydrogense)(Research Diagnostics,Inc.,Flanders,NJ)を購入して対照群として使用した。1次および2次抗体の濃度は、それぞれ5μg/mL、0.1μg/mLとした。そして、強化された化学的発光体(Pierce,Milwaukee,WI)でブロットした。
トランスグルタミナーゼの形質感染のために、遺伝子取り込みに使用するヒトの神経芽細胞腫細胞SH−SY5Yは、American Type Culture Collectionから購入した。SH−SY5Y細胞を10%の熱によって非活性化された牛胎児血清、グルタミン、フェニシリン/ストレプトマイシンが含まれたDulbeccoの変性されたEagle培地/HamのF12 培地(50:50)で培養した。クローン変異を回避するために、Flp−InTMシステム(Invitrogen,Co)を導入した。空ベクターのあるSH−SY5Yを陽性対照区(Wild)として使用し、pcDNA5/FRTベクターに全長のトランスグルタミナーゼをクローニングしてSH−SY5Y/TGを製造した。
図4Aに示したウェスタンブロッティングでI−kBαが検出された結果より、他のトランスグルタミナーゼ抑制剤と同様に、グルコサミンがトランスグルタミナーゼを抑制することを確認した。
本発明に係るグルコサミンまたはその誘導体を用いてトランスグルタミナーゼを抑制する新規方法は、トランスグルタミナーゼの過剰発現により引き起こされる疾患に苦しめられる患者に治療的に安定且つ効果的に副作用もなく適用することができる。
Claims (12)
- グルコサミンまたはグルコサミン誘導体を含むトランスグルタミナーゼ抑制剤。
- グルコサミンまたはグルコサミン誘導体を用いてトランスグルタミナーゼの活性を抑制する方法。
- グルコサミンまたはグルコサミン誘導体を含む、トランスグルタミナーゼの活性の増加により引き起こされる疾病を治療または予防するための薬学的組成物。
- 前記疾病は癌または神経系疾患であることを特徴とする、請求項5に記載の薬学的組成物。
- 神経系疾患はアルツハイマー病、ハンチントン病またはパーキンソン病であることを特徴とする、請求項6に記載の薬学的組成物。
- グルコサミンまたはグルコサミン誘導体を投与することを含む、トランスグルタミナーゼの活性の増加により引き起こされる疾病の治療または予防方法。
- 前記疾病は癌または神経系疾患であることを特徴とする、請求項9に記載の方法。
- 神経系疾患はアルツハイマー病、ハンチントン病またはパーキンソン病であることを特徴とする、請求項11に記載の方法。
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| KR100878585B1 (ko) * | 2006-06-16 | 2009-01-15 | 국립암센터 | 글루코사민, 글루코사민 유도체 또는 이들의 염을 포함하는항암감작제 |
| KR101145930B1 (ko) * | 2007-06-11 | 2012-05-15 | 국립암센터 | 클로로겐산을 포함하는 트란스글루타미나제 억제제 및 그의제조방법 |
| KR20080108797A (ko) * | 2007-06-11 | 2008-12-16 | 국립암센터 | Egcg를 포함하는 트란스글루타미나제 억제제 및 그의제조방법 |
| US8694505B2 (en) * | 2009-09-04 | 2014-04-08 | Microsoft Corporation | Table of contents for search query refinement |
| KR101762134B1 (ko) | 2014-09-16 | 2017-07-27 | 건국대학교 산학협력단 | 이분자 형광 상보 시스템을 이용한 알파-시뉴클린 응집체의 세포간 전이 측정방법 및 이를 이용한 퇴행성 신경질환의 예방 또는 치료용 물질의 스크리닝 방법 |
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| EP1374873A1 (en) * | 2001-02-28 | 2004-01-02 | Third Military Medical University Chinese People's Liberation Army P.R. of China | The use of n-acetyl-d-glucosamine in the manufacture of pharmaceutical useful for supressing side-effect of radiotherapy and chemotherapy |
| JP2004075618A (ja) * | 2002-08-20 | 2004-03-11 | Yaizu Suisankagaku Industry Co Ltd | 記憶学習能改善剤 |
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| US20060211624A1 (en) * | 2003-02-02 | 2006-09-21 | Goverment of the US, as Represented by | Methods and compositions for the treatment of parkinson's disease and other alpha-synucleinopathies |
| KR100878585B1 (ko) * | 2006-06-16 | 2009-01-15 | 국립암센터 | 글루코사민, 글루코사민 유도체 또는 이들의 염을 포함하는항암감작제 |
-
2006
- 2006-06-23 EP EP06769018A patent/EP1909804B1/en not_active Not-in-force
- 2006-06-23 CN CN2006800115371A patent/CN101155591B/zh not_active Expired - Fee Related
- 2006-06-23 US US11/918,339 patent/US20090029943A1/en not_active Abandoned
- 2006-06-23 AT AT06769018T patent/ATE547105T1/de active
- 2006-06-23 WO PCT/KR2006/002438 patent/WO2007026996A1/en not_active Ceased
- 2006-06-23 JP JP2008524879A patent/JP2009503061A/ja active Pending
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| EP1374873A1 (en) * | 2001-02-28 | 2004-01-02 | Third Military Medical University Chinese People's Liberation Army P.R. of China | The use of n-acetyl-d-glucosamine in the manufacture of pharmaceutical useful for supressing side-effect of radiotherapy and chemotherapy |
| WO2002080934A1 (en) * | 2001-04-09 | 2002-10-17 | Angiolab Inc. | A composition comprising glucosamine for treating angiogenesis-dependent diseases |
| JP2004075618A (ja) * | 2002-08-20 | 2004-03-11 | Yaizu Suisankagaku Industry Co Ltd | 記憶学習能改善剤 |
| WO2004084912A1 (ja) * | 2003-03-25 | 2004-10-07 | Seikagaku Corporation | 神経障害処置剤 |
| WO2005025581A1 (fr) * | 2003-09-17 | 2005-03-24 | Third Military Medical University, Chinese People's Liberation Army, P.R. Of China | Utilisation de la n-acetyl-d-aminoglycosamine pour la preparation de medicaments de traitement du cancer et des metastases |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2019172663A (ja) * | 2018-03-26 | 2019-10-10 | イノヴェット イタリア エッセ.エッレ.エッレ.Innovet Italia S.R.L. | 微粒子化形態のn−パルミトイル−d−グルコサミン |
| JP7376999B2 (ja) | 2018-03-26 | 2023-11-09 | イノヴェット イタリア エッセ.エッレ.エッレ. | 微粒子化形態のn-パルミトイル-d-グルコサミン |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101155591B (zh) | 2012-01-18 |
| CN101155591A (zh) | 2008-04-02 |
| US20090029943A1 (en) | 2009-01-29 |
| WO2007026996A1 (en) | 2007-03-08 |
| EP1909804A4 (en) | 2010-05-26 |
| EP1909804B1 (en) | 2012-02-29 |
| ATE547105T1 (de) | 2012-03-15 |
| EP1909804A1 (en) | 2008-04-16 |
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