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Abstract
Neuroprotection under conditions of oxygen stress of two C21 steroidal glycosides, cynsaccatol Q (1) and saccatol K (2), isolated from Cynanchum auriculatum Royle ex Wight, and their potential mechanisms were studied using the model of H2O2-induced damage on PC12 cells in this paper. Experiments showed that compounds 1 and 2 can both regulate the activities of antioxidant enzymes, including GSH-Px, LDH, CAT, SOD, decrease the levels of intracellular ROS and Ca2+, reduce cell apoptosis, and regulate the expression of HO-1 and NQO1 through the Nrf2-ARE pathway, thus play the role of neuroprotection against oxidative damage.
Graphical Abstract
Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
This work was supported by the National Natural Science Foundation of China (No. 31500287).
