Title : Resveratrol protects cardiomyocytes against anoxia/reoxygenation via dephosphorylation of VDAC1 by Akt-GSK3 β pathway.

Pub. Date : 2019 Jan 15

PMID : 30445019






8 Functional Relationships(s)
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1 Resveratrol protects cardiomyocytes against anoxia/reoxygenation via dephosphorylation of VDAC1 by Akt-GSK3 beta pathway. Resveratrol voltage dependent anion channel 1 Homo sapiens
2 Our previous studies showed that the effect of resveratrol preventing mitochondrial permeability transition pore (mPTP) opening in myocardial ischemia/reperfusion injury was achieved by regulating voltage-dependent anion channel 1 (VDAC1). Resveratrol voltage dependent anion channel 1 Homo sapiens
3 Our previous studies showed that the effect of resveratrol preventing mitochondrial permeability transition pore (mPTP) opening in myocardial ischemia/reperfusion injury was achieved by regulating voltage-dependent anion channel 1 (VDAC1). Resveratrol voltage dependent anion channel 1 Homo sapiens
4 In present study, we investigated whether resveratrol modulates VDAC1 phosphorylation to achieve cardioprotection and explored the signaling pathways involved. Resveratrol voltage dependent anion channel 1 Homo sapiens
5 Moreover, our data showed that pretreatment with resveratrol prior to A/R injury inhibited VDAC1 phosphorylation. Resveratrol voltage dependent anion channel 1 Homo sapiens
6 Dephosphorylated VDAC1 using pretreated resveratrol promoted dissociation with Bax and binding to HK2, which subsequently protected cardiomyocytes against A/R injury. Resveratrol voltage dependent anion channel 1 Homo sapiens
7 Akt inhibitor IV abrogated Akt-GSK3beta phosphorylation and thereby abolished the dephosphorylation activity of resveratrol on VDAC1. Resveratrol voltage dependent anion channel 1 Homo sapiens
8 Taken together, our data indicated that A/R injury enhanced VDAC1 phosphorylation in cardiomyocytes, whereas pretreatment with resveratrol dephosphorylated VDAC1 through the Akt-GSK3beta pathway, thereby protecting cardiomyocytes against A/R injury. Resveratrol voltage dependent anion channel 1 Homo sapiens