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Abstract Title:

Geraniol protects against lipopolysaccharide and D-galactosamine-induced fulminant hepatic failure by activating PPARγ.

Abstract Source:

Microb Pathog. 2019 Mar ;128:7-12. Epub 2018 Dec 11. PMID: 30550845

Abstract Author(s):

Yi Li, Nian Wang, Yongfang Jiang

Article Affiliation:

Yi Li

Abstract:

Geraniol (GOH), a natural component of plant essential oils, exhibits potent antioxidant and anti-inflammatory properties. The aim of this study was to assess the protective effects and mechanisms of GOH on lipopolysaccharide (LPS)/d-galactosamine (D-GalN)-induced fulminant hepatic failure (FHF). Mice were treated with GOH (12.5, 25, and 50 μg/kg) 1 h before challenging LPS (60 mg/kg) and D-GalN (800 mg/kg). 8 h later LPS/D-GlaN treatment, mice were sacrificed and the serum and the liver tissues were collected for testing. The liver pathological changes were assessed by H&E staining. MPO activity, MDA level in liver tissues, and AST, ALT levels in serum were detected by specific detection kits. The levels of TNF-α and IL-1β were detected by ELISA. The expression of NF-κB and PPARγ were detected by western blot analysis and qRT-PCR. The results showed that GOH had a protective effect on LPS/D-GalN-induced FHF, as evidence by the attenuation of liver pathological injury, MPO activity, MDA level, and serumAST and ALT levels. GOH reduced liver TNF-α and IL-1β levels through inhibiting NF-κB signaling pathway activation. Furthermore, GOH increased PPARγ expression in FHF induced by LPS/D-GalN. In conclusion, the present study proved that GOH protects against LPS/D-GalN-induced FHF through inhibiting inflammatory response and increasing PPARγ expression.

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