Apoptotic and Cell Cycle Effects of Triterpenes Isolated from Phoradendron wattii on Leukemia Cell Lines
MOLECULES(2022)
摘要
Current antineoplastic agents present multiple disadvantages, driving an ongoing search for new and better compounds. Four lupane-type triterpenes, 3 alpha,24-dihydroxylup-20(29)-en-28-oic acid (1), 3 alpha,23-dihydroxy-30-oxo-lup-20(29)-en-28-oic acid (2), 3 alpha,23-O-isopropylidenyl-3 alpha,23-dihydroxylup-20(29)-en-28-oic acid (3), and 3 alpha,23-dihydroxylup-20(29)-en-28-oic acid (4), previously isolated from Phoradendron wattii, were evaluated on two cell lines of chronic (K562) and acute (HL60) myeloid leukemia. Compounds 1, 2, and 4 decreased cell viability and inhibit proliferation, mainly in K562, and exhibited an apoptotic effect from 24 h of treatment. Of particular interest is compound 2, which caused arrest in active phases (G2/M) of the cell cycle, as shown by in silico study of the CDK1/Cyclin B/Csk2 complex by molecular docking. This compound [3 alpha,23-dihydroxy-30-oxo-lup-20(29)-en-28-oic acid] s a promising candidate for incorporation into cancer treatments and deserves further study.
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关键词
leukemia, lupane-type triterpene, apoptosis, cell cycle, molecular docking
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