Discovery of Polyoxypregnane Derivatives From Aspidopterys obcordata With Their Potential Antitumor Activity
FRONTIERS IN CHEMISTRY(2022)
摘要
The bioassay-guided phytochemical study of an ethnic medicinal plant Aspidopterys obcorda ta Hemsl. var. obcordata results in the isolation of eight new polyoxypregnane derivatives, named aspidatasides A-H (1-8), along with ten known analogs (9-18). The series polyoxypregnane derivatives were screened for their cytoxic activity against HL-60 cells, and compound 2 showed the highest potency with an IC50 8.03 mu M. Preliminary structure-activity relationship studies displayed that the sugar chain and double bond could notably impact their biological activity.
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关键词
Aspidopterys obcordata, ethnic medicine, polyoxypregnane derivatives, HL-60, structure-activity relationship
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