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Novel 3,4-seco bile acid diamides as selective anticancer proliferation and migration agents
Shi-Wei Mao1, Huang Chen2, Li-Fang Yu1
1Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, SCME, East China Normal University, Shanghai 200062, China.
Abstract:
A series of new seco-A ring bile acid diamides were synthesized, and their antiproliferative activities against PC3M (prostate), HT29 (colon) and ES-2 (ovarian) cancer cell lines were investigated using SRB assays. Most synthesized compounds presented improved antiproliferative activities compared to the parent bile acids (IC50 > 80 μM), especially the piperazine conjugated compound 27 with IC50 values of 1.07, 4.58 and 3.86 μM against PC3M, HT29 and ES-2 cancer cell lines, respectively. In addition, all the tested compounds showed less cytotoxic activity on a noncancerous cell line (HAF), and the most active compound 27 exhibited the highest selectivity (Selectivity Index, SI(PC3M) = 26.3). Furthermore, 27 could also enhance G1 arrest in PC3M cell, revealed by cell cycle analysis, and increase anti-migration activity on PC3M cells, confirmed by transwell migration assay.
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