期刊
ONCOTARGET
卷 8, 期 29, 页码 47296-47304出版社
IMPACT JOURNALS LLC
DOI: 10.18632/oncotarget.17624
关键词
NF-kappa B; acute lung injury; inflammation; oxidative stress; mitochondrial function
This study mainly studied the effect of inhibition of nuclear factor-kappa B (NF-kappa B) signal by pyrrolidine dithiocarbamate (PDTC) on lipopolysaccharide (LPS)-induced inflammatory response, oxidative stress, and mitochondrial dysfunction in a murine acute lung injury model. The results showed that LPS exposure activated NF-kappa B and its upstream proteins and caused lung inflammation, oxidative stress, and mitochondrial dysfunction in mice. While inhibition of NF-kappa B by PDTC adminstration alleviated LPSinduced generation of lymphocytes, IL-1 beta, and TNF-alpha. Malondialdehyde, a common oxidative product, was markedly reduced after PDTC treatment in LPS-challenged mice. Furthermore, PDTC alleviated LPS-induced mitochondrial dysfunction via improving ATP synthesis and uncoupling protein 2 expression. In conclusion, inhibition of NF-kappa B by PDTC alleviated LPS-induced acute lung injury via maintaining inflammatory status, oxidative balance, and mitochondrial function in mice.
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