細胞内タンパク質に対する細胞浸透性バイサイクルペプチド阻害剤
Wenlong Lian1, Bisheng Jiang, Ziqing Qian
1Department of Chemistry and Biochemistry, The Ohio State University , 484 West 12th Avenue, Columbus, Ohio 43210, United States.
Journal of the American Chemical Society
|June 28, 2014
まとめ
サイクルペプチドは,細胞に浸透するペプチドと融合させ,バイサイクルペプチドを生成することによって,細胞に浸透させることができます. この戦略は,強力な酵素阻害剤を生み出し,その治療的可能性を高めます.
科学分野:
- バイオケミストリー バイオケミストリー
- 分子生物学は分子生物学である.
- 薬用化学 薬用化学について
背景:
- 周期性ペプチドは治療薬として有望な効果を示しているが,細胞膜の浸透性を阻害している.
- 細胞への侵入は,多くの周期性ペプチドの治療的応用にとって大きな障害です.
研究 の 目的:
- 細胞に浸透する周期性ペプチドと融合させ,細胞に浸透する周期性ペプチドを開発する.
- タンパク質チロシンフォスファタゼ1Bとペプチジルプロリルシストランスイソメラーゼ (Pin1) の新しい阻害剤を作成する.
主な方法:
- 循環性ペプチドと細胞に浸透する循環性ペプチドの融合により,バイサイクル構造が形成されます.
- 標的酵素に対する結果のバイサイクルペプチドの抑制活性,選択性,およびタンパク質分解の安定性を測定する.
主要な成果:
- 標的認識を保持した細胞透過性のバイサイクルペプチドを成功裏に生成した.
- タンパク質チロシンフォスファタゼ1BとPin1の強力な,選択的,タンパク質分解的に安定した阻害剤を開発しました.
- 新型バイサイクルペプチド阻害剤の実証された生物学的活性 in vitro.
結論:
- 循環性細胞に浸透するペプチドとの融合は,循環性ペプチドの細胞浸透性を高めるための効果的な戦略です.
- その結果生じるバイサイクルペプチドは,酵素阻害剤として治療開発の有望な候補である.
- このアプローチは,生物学的研究と薬物の発見におけるサイクルペプチドの有用性を拡大します.
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