期刊
INFLAMMATION
卷 36, 期 6, 页码 1453-1459出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10753-013-9686-z
关键词
sepsis; pro-inflammatory cytokine; HDACs; acute lung injury
资金
- Natural Science Foundation of Jiangsu Province [BK2012778]
Valproic acid (VPA) has been shown to exert anti-inflammatory and antioxidant effects in a range of diseases including septic shock. However, the effects of VPA on lipopolysaccharide (LPS)-induced acute lung injury (ALI) remains not well understood. We found that VPA pretreatment attenuated the LPS-induced ALI, as evidenced by the reduced histological scores, myeloperoxidase activity, and wet-to-dry weight ratio in the lung tissues. This was accompanied by the downregulated nuclear factor kappa B (NF-kappa B) p65, nitric oxide, and inducible nitric oxide synthase in the lung tissues and the decreased levels of tumor necrosis factor alpha and interleukin-1 beta in the bronchoalveolar lavage fluid. Furthermore, VPA reduced the nuclear histone deacetylase (HDAC)3 expression whereas increased the cytoplasmic HDAC3 expression. Our results suggested that VPA attenuates the LPS-induced ALI via inhibiting the NF-kappa B activation probably through a mechanism depending on HDAC3 redistribution.
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