期刊
HEPATOLOGY
卷 74, 期 6, 页码 3056-3073出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1002/hep.32066
关键词
-
资金
- National Key Research and Development Program of China [2018YFD0501605, 2016YFD0500507]
- Fundamental Research Funds for the Central Universities [2662018PY079]
The study found that SAL can protect against metabolic-stress-induced NASH progression by activating the AMPK signaling pathway, indicating that SAL could be a potential drug component for NASH therapy.
Background and Aims NASH is becoming a leading cause of liver cirrhosis and HCC. Salidroside (p-hydroxyphenethyl-beta-D-glucoside; SAL) has various biological and pharmacological activities, including anti-inflammatory, -oxidant, and -cancer activities. However, the therapeutic effect and underlying molecular mechanism of SAL in NASH remain to be further clarified. Methods and Results In this study, we found that SAL alleviated lipid accumulation and inflammatory response in primary hepatocytes after palmitic acid/oleic acid (PO) stimulation. In addition, SAL effectively prevented high-fat/high-cholesterol (HFHC)-diet-induced NASH progression by regulating glucose metabolism dysregulation, insulin resistance, lipid accumulation, inflammation, and fibrosis. Mechanistically, integrated RNA-sequencing and bioinformatic analysis showed that SAL promoted AMPK-signaling pathway activation in vitro and in vivo, and this finding was further verified by determining the phosphorylation levels of AMPK. Furthermore, the protective effects of SAL on lipid accumulation and inflammation in hepatocytes and livers induced by PO or HFHC stimulation were blocked by AMPK interruption. Conclusions Our studies demonstrate that SAL protects against metabolic-stress-induced NASH progression through activation of AMPK signaling, indicating that SAL could be a potential drug component for NASH therapy.
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