Abstract
A new triterpenoid compound 1* (scandine A1) was obtained from 95% ethanol extract of Uncaria laevigata. Meanwhile, eleven described compounds were also isolated for the first time from Uncaria laevigata. Herein, compound 2 exhibited strong diastolic cardio-cerebrovascular activity (EC50BA = 9.22 μM and EC50CA = 14.65 μM), which was not been previously described. Compound 1* also showed certain diastolic cardio-cerebrovasculary activity. Network pharmacology indicated that the diastolic cardio-cerebrovascular activity of compound 2 was most correlated with the Ras signalling pathway. Molecular docking confirmed that it exhibited strong binding activity with target protein (matrix metalloproteinase inhibitor-1). Moreover, compound 2 demonstrated significant potential on cardio-cerebrovascular activity in vitro. Overall, compounds 1* and 2 with good diastolic cardio-cerebrovascular activity were discovered in this work.
Published Version
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