Title : Role of VPO1, a newly identified heme-containing peroxidase, in ox-LDL induced endothelial cell apoptosis.

Pub. Date : 2011 Oct 15

PMID : 21820048






3 Functional Relationships(s)
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1 The results showed that ox-LDL induced endothelial cell apoptosis and the expression of VPO1 in endothelial cells in a concentration- and time-dependent manner concomitant with increased intracellular reactive oxygen species (ROS) and hypochlorous acid (HOCl) generation, and up-regulated protein expression of the NADPH oxidase gp91(phox) subunit and phosphorylation of p38 MAPK. Hypochlorous Acid peroxidasin Homo sapiens
2 Collectively, these findings suggest for the first time that VPO1 plays a critical role in ox-LDL-induced endothelial cell apoptosis and that there is a positive feedback loop between VPO1/HOCl and the now-accepted dogma that the NADPH oxidase/ROS/p38 MAPK/caspase-3 pathway is involved in ox-LDL-induced endothelial cell apoptosis. Hypochlorous Acid peroxidasin Homo sapiens
3 Collectively, these findings suggest for the first time that VPO1 plays a critical role in ox-LDL-induced endothelial cell apoptosis and that there is a positive feedback loop between VPO1/HOCl and the now-accepted dogma that the NADPH oxidase/ROS/p38 MAPK/caspase-3 pathway is involved in ox-LDL-induced endothelial cell apoptosis. Hypochlorous Acid peroxidasin Homo sapiens