Structure−Activity Requirements for Flavone Cytotoxicity and Binding to Tubulin
摘要:
A series of 79 flavones related to centaureidin (3,6,4'-trimethoxy-5,7,3'-trihydroxyflavone 1) was screened for cytotoxicity in the NCI in vitro 60-cell line human tumor screen. The resulting cytotoxicity profiles of these flavones were compared for degree of similarity to the profile of 1. Selected compounds were further evaluated with in vitro assays of tubulin polymerization and [H-3]colchicine binding to tubulin. Maximum potencies for tubulin interaction and production of differential cytotoxicity profiles characteristic of 1 were observed only with compounds containing hydroxyl substituents at C-3' and C-5 and methoxyl groups at C-3 and C-4'.
Structure−Activity Requirements for Flavone Cytotoxicity and Binding to Tubulin
摘要:
A series of 79 flavones related to centaureidin (3,6,4'-trimethoxy-5,7,3'-trihydroxyflavone 1) was screened for cytotoxicity in the NCI in vitro 60-cell line human tumor screen. The resulting cytotoxicity profiles of these flavones were compared for degree of similarity to the profile of 1. Selected compounds were further evaluated with in vitro assays of tubulin polymerization and [H-3]colchicine binding to tubulin. Maximum potencies for tubulin interaction and production of differential cytotoxicity profiles characteristic of 1 were observed only with compounds containing hydroxyl substituents at C-3' and C-5 and methoxyl groups at C-3 and C-4'.
Structure−Activity Requirements for Flavone Cytotoxicity and Binding to Tubulin
作者:John A. Beutler、Ernest Hamel、Arnold J. Vlietinck、Achiel Haemers、Padinchare Rajan、James N. Roitman、John H. Cardellina、Michael R. Boyd
DOI:10.1021/jm970842h
日期:1998.6.1
A series of 79 flavones related to centaureidin (3,6,4'-trimethoxy-5,7,3'-trihydroxyflavone 1) was screened for cytotoxicity in the NCI in vitro 60-cell line human tumor screen. The resulting cytotoxicity profiles of these flavones were compared for degree of similarity to the profile of 1. Selected compounds were further evaluated with in vitro assays of tubulin polymerization and [H-3]colchicine binding to tubulin. Maximum potencies for tubulin interaction and production of differential cytotoxicity profiles characteristic of 1 were observed only with compounds containing hydroxyl substituents at C-3' and C-5 and methoxyl groups at C-3 and C-4'.