Highly selective suppression of melanoma cells by inducible DNA cross-linking agents: bis (catechol) derivatives

M Bai, J Huang, X Zheng, Z Song, M Tang…

Index: Bai, Minghui; Huang, Jing; Zheng, Xiaolong; Song, Zhibin; Tang, Miru; Mao, Wuxiang; Yuan, Libo; Wu, Jun; Weng, Xiaocheng; Zhou, Xiang Journal of the American Chemical Society, 2010 , vol. 132, # 43 p. 15321 - 15327

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Citation Number: 17

Abstract

A series of bis (catechol) quaternary ammonium derivatives were designed and synthesized. We investigated their ability to cross-link DNA induced by tyrosinase and found that the o- quinone is key intermediate in the process by using the nucleophile 3-methyl-2- benzothiazolinone hydrazone (MBTH) in the tyrosinase assay. Their cytotoxicities to B16F1, Hela, and CHO cells were tested by MTT assays. The specific and potent abilities to kill ...

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