Title : Novel role of silent information regulator 1 in acute endothelial cell oxidative stress injury.

Pub. Date : 2014 Nov

PMID : 25128742






5 Functional Relationships(s)
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Protein Name
Organism
1 Here, we show that SIRT1 essentially mediates hydrogen peroxide (H2O2)-induced cytotoxicity in human umbilical vein endothelial cell (HUVEC). Hydrogen Peroxide sirtuin 1 Homo sapiens
2 Here, we show that SIRT1 essentially mediates hydrogen peroxide (H2O2)-induced cytotoxicity in human umbilical vein endothelial cell (HUVEC). Hydrogen Peroxide sirtuin 1 Homo sapiens
3 In HUVECs, SIRT1 protein expression was significantly increased in a dose-dependent manner after H2O2 treatment, whereas the acetylation levels of the NF-kappaB p65 subunit and p53 were decreased. Hydrogen Peroxide sirtuin 1 Homo sapiens
4 EX527 (a specific SIRT1 inhibitor) conferred protection to the HUVECs against H2O2, as indicated by an improved cell viability, adhesion, an enhanced migratory ability, a decreased apoptotic index, decreased reactive oxygen species (ROS) production and reductions in several biochemical parameters. Hydrogen Peroxide sirtuin 1 Homo sapiens
5 Immunofluorescence and Western blot analyses demonstrated that H2O2 treatment up-regulated SIRT1, phosphorylated-JNK (p-JNK), p-p38MAPK, and p-ERK expression. Hydrogen Peroxide sirtuin 1 Homo sapiens