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Hamamelitannin 是从 Hamamelis virginiana 树皮中提取的多酚,是一种群体感应 (QS) 抑制剂。Hamamelitannin 通过影响肽聚糖生物合成和 eDNA 释放增加金黄色葡萄球菌生物膜的抗生素敏感性。
Hamamelitannin, a polyphenol extracted from the bark of Hamamelis virginiana, is a quorum-sensing (QS) inhibitor. Hamamelitannin increases antibiotic susceptibility of staphylococcus aureus biofilms by affecting peptidoglycan biosynthesis and eDNA release[1][2].
Hamamelitannin displays specific cytotoxic activity against colon cancer cells[3].
[1]. Kiran MD, et al. Discovery of a quorum-sensing inhibitor of drug-resistant staphylococcal infections by structure-based virtual screening. Mol Pharmacol. 2008 May;73(5):1578-86. [2]. Cobrado L, et al. In vivo antibiofilm effect of cerium, chitosan and hamamelitannin against usual agents of catheter-related bloodstream infections. J Antimicrob Chemother. 2013 Jan;68(1):126-30. [3]. Sánchez-Tena S, et al. Hamamelitannin displays specific cytotoxic activity against colon cancer cells. J Nat Prod. 2012 Jan 27;75(1):26-33.
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