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Integrated serum pharmacochemistry, 16S rRNA sequencing and metabolomics to reveal the material basis and mechanism of Yinzhihuang granule against non-alcoholic fatty liver disease.

Yingying Tan,Zhihong Huang,Yingying Liu,Xiaojiaoyang Li,A. Stalin,Xiaotian Fan,Zhishan Wu,Chao-yong Wu,Shan Lu,Fanqin Zhang,Meilin Chen,Jiaqi Huang,Guoliang Cheng,Bingbing Li,Siyu Guo,Yu Yang,Shuofeng Zhang,Jiarui Wu

Published 2023 in Journal of Ethnopharmacology

ABSTRACT

ETHNOPHARMACOLOGICAL RELEVANCE Yinzhihuang granule (YZHG) has liver protective effect and can be used for clinical treatment of non-alcoholic fatty liver disease (NAFLD), but its material basis and mechanism need to be further clarified. AIM OF THE STUDY This study aims to reveal the material basis and mechanism of YZHG treating NAFLD. MATERIALS AND METHODS Serum pharmacochemistry were employed to identify the components from YZHG. The potential targets of YZHG against NAFLD were predicted by system biology and then preliminarily verified by molecular docking. Furthermore, the functional mechanism of YZHG in NAFLD mice was elucidated by 16S rRNA sequencing and untargeted metabolomics. RESULTS From YZHG, 52 compounds were identified, of which 42 were absorbed into the blood. Network pharmacology and molecular docking showed that YZHG treats NAFLD with multi-components and multi-targets. YZHG can improve the levels of blood lipids, liver enzymes, lipopolysaccharide (LPS), and inflammatory factors in NAFLD mice. YZHG can also significantly improve the diversity and richness of intestinal flora and regulate glycerophospholipid and sphingolipid metabolism. Moreover, Western Blot experiment showed that YZHG can regulate liver lipid metabolism and enhance intestinal barrier function. CONCLUSIONS YZHG may treat NAFLD by improving the disruption of intestinal flora and enhancing the intestinal barrier. This will reduce the invasion of LPS into the liver subsequently regulate liver lipid metabolism and reduce liver inflammation.

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