Gegen Qinlian Decoction abates nonalcoholic steatohepatitis associated liver injuries via anti-oxidative stress and anti-inflammatory response involved inhibition of toll-like receptor 4 signaling pathways - 19/04/20
, Tong-tong Liu a, Ying-qian Cao a, Ya-nan Xue a, Min Shi c, Zheng cao c, Li-fen Zhou d, Xiao-quan Luo e, Ke-zhong Deng a, Chen Chen f, ⁎ Bienvenue sur EM-consulte, la référence des professionnels de santé.
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| pages | 12 |
| Iconographies | 7 |
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Graphical abstract |
Highlights |
• | Gegen Qinlian Decoction abated nonalcoholic steatohepatitis associated liver injuries. |
• | Gegen Qinlian Decoction could improve lipid metabolism. |
• | Gegen Qinlian Decoction had anti-oxidative stress effect. |
• | Gegen Qinlian Decoction had anti-inflammatory effect. |
• | Anti-inflammatory effect involved inhibition of TLR4 signaling pathways. |
Abstract |
Gegen Qilian Decoction (GGQLD) is a well-established classic Chinese medicine prescription in treating nonalcoholic steatohepatitis (NASH). However, the molecular mechanism of GGQLD action on NASH is still not clear. This study aimed to assess the anti-NASH effect of GGQLD, and to explore its molecular mechanisms in vivo and in vitro. In HFD-fed rats, GGQLD decreased significantly serum triglyceride (TG), cholesterol (CHO), total bile acid (TBA), low-density lipoprotein (LDL), free fatty acid (FFA) and lipopolysaccharide (LPS) levels, increased levels of differentially expressed proteins (DEPs) Ahcy, Gpx1, Mat1a, GNMT, and reduced the expression of ALDOB. In RAW264.7 macrophages, GGQLD reduced the expression levels of inflammatory factors TNF-α and IL-6 mRNA, and diminished NASH by increasing differentially expressed genes (DEGs) CBS, Mat1a, Hnf4α and Pparα to reduce oxidative stress or lipid metabolism. The results of DEGs verification also showed that GGQLD up-regulated expressions of Hnf4α, Pparα and Cbs genes. In HepG2 cells, GGQLD decreased IL-6 levels and intracellular TG content, and inhibited FFA-induced expression of toll-like receptor 4 (TLR4). In summary, GGQLD abates NASH associated liver injuries via anti-oxidative stress and anti-inflammatory response involved inhibition of TLR4 signal pathways. These findings provide new insights into the anti-NASH therapy by GGQLD.
Le texte complet de cet article est disponible en PDF.Abbreviations : CHO, DAPI, DEGs, DEPs, DTT, ELISA, FFA, GGQLD, GGQLD-CS, GGQLD-H, GGQLD-M, GGQLD-L, GO analysis, HE, HFD, IAA, IL-6, IR, KEGG, LDL, LDH, LPS, MTT, NAFLD, NASH, NEFA, NF-κB, PMSF, PPAR, qRT-PCR, RIPA, TBA, TCM, T2D, TG, TIC, TLR4, TNF-α
Keywords : Gegen Qinlian Decoction, Non-alcoholic steatohepatitis, Inflammation, Oxidative stress, Hepatic lipid metabolism
Plan
Vol 126
Article 110076- juin 2020 Retour au numéro
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