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Sirt1 Deletion Leads To Enhanced Inflammation And Aggravates Endotoxin-Induced Acute Kidney Injury, Rong Gao, Jiao Chen, Yuxin Hu, Zhenyu Li, Shuxia Wang, Sreerama Shetty, Jian Fu
Sirt1 Deletion Leads To Enhanced Inflammation And Aggravates Endotoxin-Induced Acute Kidney Injury, Rong Gao, Jiao Chen, Yuxin Hu, Zhenyu Li, Shuxia Wang, Sreerama Shetty, Jian Fu
Toxicology and Cancer Biology Faculty Publications
Bacterial endotoxin has been known to induce excessive inflammatory responses and acute kidney injury. In the present study, we used a mouse model of endotoxemia to investigate the role of Sirt1 in inflammatory kidney injury. We examined molecular and cellular responses in inducible Sirt1 knockout (Sirt1-/-) mice and wild type littermates (Sirt1+/+) in lipopolysaccharide (LPS)-induced kidney injury. Our studies demonstrated that Sirt1 deletion caused aggravated kidney injury, which was associated with increased inflammatory responses including elevated pro-inflammatory cytokine production, and increased ICAM-1 and VCAM-1 expression. Inflammatory signaling such as STAT3/ERK phosphorylation and NF-κB activation was markedly elevated in kidney tissues …