生物活性ペプチドの選択的配送のためのカスタマイズされた可逆ステップリング
Zizhen Zeng1, Jibao Zhu1, Xiaoyu Deng2
1National Pharmaceutical Engineering Center for Solid Preparation in Chinese Herbal Medicine, Jiangxi University of Chinese Medicine, Nanchang 330006, P. R. China.
Journal of the American Chemical Society
|December 19, 2022
まとめ
この研究では,安定性と標的の配送を高めるための可逆性ペプチドステップリングを導入します. この方法は,治療ペプチドの制御された放出のためにマクロサイクライゼーションとトリガーデサイクライゼーションを使用します.
科学分野:
- 化学生物学
- 薬物の配達
- ペプチド療法
背景:
- ペプチド薬は治療的な可能性を秘めているが,安定性や標的の投与に問題がある.
- ペプチド改変の現在の方法は,しばしば可逆性や放出に対する正確な制御が欠けている.
- ペプチドの活性化と投与を制御する戦略の開発は,ペプチド治療の進歩に不可欠です.
研究 の 目的:
- ペプチドの安定性を高め,標的を絞るための新しい,可逆性のペプチドステップリング戦略を開発する.
- 細胞内および細胞外ペプチドの配送におけるこの戦略の有用性を実証する.
- 特定のトリガーによって活性化される反転性ステープレッド抗菌ペプチド (RStAMPs) の作成と検証.
主な方法:
- 二つのアミノ群と二重1,4-除去によるデサイクライゼーションを含むマクロサイクライゼーション戦略を開発した.
- 概念実証: 細胞膜の透過性を改善するために,リジン特異性デメチラーゼ1 (LSD1) のペプチド阻害剤を一時的に循環させた.
- 感染部位で過酸化水素 (H2O2) によって活性化された,一時的に不安定な螺旋形状を持つ設計されたRStAMP.
主要な成果:
- リバーシブル・スタップリングにより,ペプチドの安定性と細胞膜の浸透性が向上し,活性ペプチドの細胞内放出が制御された.
- リバーシブル・ステープレッド抗菌ペプチド (RStAMPs) は毒性が低下し,プロテアゼ抵抗性が高まった.
- RStAMPは感染部位でH2O2によって迅速に活性化され,螺旋状の構造と強力な抗菌作用を回復しました.
結論:
- このマクロサイクライゼーション戦略は,可逆性ペプチド改変と制御された配送のための汎用的なプラットフォームを提供します.
- 開発された方法は,ペプチドの安定性,生物学的利用可能性,および標的の活性化を著しく改善します.
- このアプローチは,抗菌剤治療や標的がん治療を含む様々な医療用途におけるペプチド治療の進歩に 大きな希望を持っています.
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