A diverse natural-product-like synthetic abietane diterpenoid library contains about 56 compounds were obtained, and evaluated for their potential in vitro cytotoxic or antitumor activity against A549, PC-3 and SKOV-3 tumor cell lines by SRB assay. Treatment of A549 cells with the most potent compound ketone 19 showed induction of apoptosis, as revealed by JC-1 mitochondrial membrane potential staining, TUNNEL assay, western blotting analysis and flow cytometry assay.
Keywords: Abietic acid; Anticancer; Diverse; Natural-product-like; Triptophenolide.
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