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Abstract Title:

Rosmarinic acid protects mice from lipopolysaccharide/d-galactosamine-induced acute liver injury by inhibiting MAPKs/NF-κB and activating Nrf2/HO-1 signaling pathways.

Abstract Source:

Int Immunopharmacol. 2019 Feb ;67:465-472. Epub 2018 Dec 28. PMID: 30597292

Abstract Author(s):

Zheng Li, Haihua Feng, Yue Wang, Bingyu Shen, Ye Tian, Lin Wu, Qiaoling Zhang, Meiyu Jin, Guowen Liu

Article Affiliation:

Zheng Li

Abstract:

Rosmarinic acid (RA) has antioxidation, anticancer, antibacterial, anti-inflammatory and various biological functions. In our study, we aim to evaluate effects of RA on acute liver injury caused by LPS and d-galactosamine (d-GalN) and its underlying molecular mechanism in mice. Our findings showed that RA could protect C57BL/6 mice from LPS/d-GalN-induced acute liver injury, which not only reflected on declining aspartate aminotransferase (AST) and alanine aminotransferase (ALT) of the serum, but also restrained the phosphorylation of nuclear factor-kappa B (NF-κB), extracellular signal-regulated kinase (ERK1/2) and p38 protein expression and the content of tissue myeloperoxidase (MPO) elevation. Moreover, RA could enhance the level of glutathione-dependent peroxidase (GSH-PX). Furthermore, RA promoted that nuclear factor erythroid-2-related factor 2 (Nrf2) transported into nucleus, and then up-regulated heme oxygenase 1 (HO-1), glutamate-cysteine ligase catalytic (GCLC), glutamate cysteine ligase modifier (GCLM) and quinone oxidoreductase (NQO1). These results indicated that RA could protect the mice from acute liver injury induced by LPS/d-GalN.

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