Synthesis and identification of cytotoxic diphyllin glycosides as vacuolar H+-ATPase inhibitors
作者:Zhitao Zhang、Jinlong Ma、Li Zhu、Yu Zhao
DOI:10.1016/j.ejmech.2014.06.002
日期:2014.7
The concise syntheses of two natural diphyllin glycosides Cleistanthin-A (CA), Cleistanthoside-A (CleA) and its derivative, Cleistanthoside-A tetraacetate (CleT), have been achieved. They were evaluated for their in vitro anti-proliferative activities against MCF-7, HeLa, HepG2, HCT-116, U251 cancer cell lines by MTT assay. Both of CA and CleT were anti-proliferative to these cancer cells at nanomolar concentrations. They have been shown to inhibit the activity of vacuolar H+-ATPase (V-ATPase) in HepG2 cells and neutralize the pH of lysosomes at nanomolar concentrations. (C) 2014 Elsevier Masson SAS. All rights reserved.