The synthesis of ursolic acid derivatives with cytotoxic activity and the investigation of their preliminary mechanism of action

Add time:08/25/2019    Source:sciencedirect.com

Nineteen ursolic acid derivatives (15 novel compounds) modified at the C-3 and the C-28 positions were synthesized. The cytotoxic activity of the derivatives was evaluated against HeLa, BGC-823 and SKOV3 cells by MTT assay. Inducing apoptosis and affecting cell cycle distribution by the derivatives in HeLa cells were assessed by flow cytometry and DNA fragmentation. Compounds 10b and 11b were particularly active to inhibit HeLa cells growth through inducing apoptosis and arresting cell cycle progression. The typical ‘sub-G1 peak’ and DNA ladder formation were checked and cell cycle was arrested at the S phase in a dose-dependent manner.

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