Abstract:
OBJECTIVE:This study was designed to explore the protective effect of 2,3,5,4'-tetrahydroxystilbene-2-O-β-d-glucoside (TSG) against ischemia/reperfusion (I/R) injury-induced cardiomyocytes apoptosis. METHODS:The H9c2 cell I/R injury model was induced by simultaneous shortage of nutrients and oxygen. TSG administration (0.10, 0.25, and 0.50 mM) was performed before and during I/R stimulation. Cell apoptosis was evaluated using terminal deoxynucleotidyl transferase dUTP nick end labeling assay. Expression of cell-related proteins was detected to assess the effect of TSG on cell apoptosis. RESULTS:I/R injury induced significant cell apoptosis. Significantly decreased Bcl-2 and increased Bax, caspase-3, and p-Akt expression ( P < 0.01) was detected in the cell model of I/R injury. In contrast, TSG administration eliminated all the changes induced by I/R injury in a dose-dependent manner. Compared with the H9c2 cell model of I/R injury, the H9c2 cells treated with 0.50 mM TSG showed the lowest cell apoptosis percentage, the highest expression of Bcl-2, and the lowest expression of Bax, caspase-3, and p-Akt ( P < 0.01). CONCLUSION:We confirmed that the protective effect of TSG against I/R injury-induced cell apoptosis in H9c2 in vitro was associated with the Bcl-2/Bax ratio, caspase-3, and Akt activation.
journal_name
J Cell Biochemjournal_title
Journal of cellular biochemistryauthors
Sun T,Liu H,Cheng Y,Yan L,Krittanawong C,Li S,Qian W,Su W,Chen X,Hou X,Zhang Hdoi
10.1002/jcb.27949subject
Has Abstractpub_date
2019-03-19 00:00:00eissn
0730-2312issn
1097-4644pub_type
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