Title : SIRT5 promotes IDH2 desuccinylation and G6PD deglutarylation to enhance cellular antioxidant defense.

Pub. Date : 2016 Jun

PMID : 27113762






10 Functional Relationships(s)
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1 Here, we report that SIRT5 desuccinylates and deglutarylates isocitrate dehydrogenase 2 (IDH2) and glucose-6-phosphate dehydrogenase (G6PD), respectively, and thus activates both NADPH-producing enzymes. NADP sirtuin 5 Homo sapiens
2 Moreover, we show that knockdown or knockout of SIRT5 leads to high levels of cellular ROS SIRT5 inactivation leads to the inhibition of IDH2 and G6PD, thereby decreasing NADPH production, lowering GSH, impairing the ability to scavenge ROS, and increasing cellular susceptibility to oxidative stress. Reactive Oxygen Species sirtuin 5 Homo sapiens
3 Moreover, we show that knockdown or knockout of SIRT5 leads to high levels of cellular ROS SIRT5 inactivation leads to the inhibition of IDH2 and G6PD, thereby decreasing NADPH production, lowering GSH, impairing the ability to scavenge ROS, and increasing cellular susceptibility to oxidative stress. Reactive Oxygen Species sirtuin 5 Homo sapiens
4 Moreover, we show that knockdown or knockout of SIRT5 leads to high levels of cellular ROS SIRT5 inactivation leads to the inhibition of IDH2 and G6PD, thereby decreasing NADPH production, lowering GSH, impairing the ability to scavenge ROS, and increasing cellular susceptibility to oxidative stress. NADP sirtuin 5 Homo sapiens
5 Moreover, we show that knockdown or knockout of SIRT5 leads to high levels of cellular ROS SIRT5 inactivation leads to the inhibition of IDH2 and G6PD, thereby decreasing NADPH production, lowering GSH, impairing the ability to scavenge ROS, and increasing cellular susceptibility to oxidative stress. NADP sirtuin 5 Homo sapiens
6 Moreover, we show that knockdown or knockout of SIRT5 leads to high levels of cellular ROS SIRT5 inactivation leads to the inhibition of IDH2 and G6PD, thereby decreasing NADPH production, lowering GSH, impairing the ability to scavenge ROS, and increasing cellular susceptibility to oxidative stress. Glutathione sirtuin 5 Homo sapiens
7 Moreover, we show that knockdown or knockout of SIRT5 leads to high levels of cellular ROS SIRT5 inactivation leads to the inhibition of IDH2 and G6PD, thereby decreasing NADPH production, lowering GSH, impairing the ability to scavenge ROS, and increasing cellular susceptibility to oxidative stress. Glutathione sirtuin 5 Homo sapiens
8 Moreover, we show that knockdown or knockout of SIRT5 leads to high levels of cellular ROS SIRT5 inactivation leads to the inhibition of IDH2 and G6PD, thereby decreasing NADPH production, lowering GSH, impairing the ability to scavenge ROS, and increasing cellular susceptibility to oxidative stress. Reactive Oxygen Species sirtuin 5 Homo sapiens
9 Moreover, we show that knockdown or knockout of SIRT5 leads to high levels of cellular ROS SIRT5 inactivation leads to the inhibition of IDH2 and G6PD, thereby decreasing NADPH production, lowering GSH, impairing the ability to scavenge ROS, and increasing cellular susceptibility to oxidative stress. Reactive Oxygen Species sirtuin 5 Homo sapiens
10 Our study uncovers a SIRT5-dependent mechanism that regulates cellular NADPH homeostasis and redox potential by promoting IDH2 desuccinylation and G6PD deglutarylation. NADP sirtuin 5 Homo sapiens