Journal of Natural Medicines 2011-Jul
Acoschimperoside P, 2'-acetate: a Hedgehog signaling inhibitory constituent from Vallaris glabra.
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概要
Complete (1)H and (13)C NMR assignments of acoschimperoside P, 2'-acetate (1) and a new cardiac glycoside (2), isolated from the leaves of Vallaris glabra, are described. Compound 1 was active in the assay for Hedgehog signaling inhibition. In further experiments, this compound showed a strong cytotoxicity against human pancreatic (PANC1) and human prostate (DU145) cancer cells. The expression of GLI-related proteins (PTCH and BCL-2) in a dose-dependent manner was also inhibited by 1.