Leonurine Inhibits Hepatic Lipid Synthesis to Ameliorate NAFLD via the ADRA1a/AMPK/SCD1 Axis

被引：4

作者：

Fan, Wen ^{[1
]}

Pan, Maoxing ^{[1
]}

Zheng, Chuiyang ^{[1
]}

Shen, Haiyan ^{[1
]}

Pi, Dajin ^{[1
]}

Song, Qingliang ^{[1
]}

Liang, Zheng ^{[1
]}

Zhen, Jianwei ^{[1
]}

Pan, Jinyue ^{[1
]}

Liu, Lianghao ^{[1
]}

Yang, Qinhe ^{[1
]}

Zhang, Yupei ^{[1
]}

机构：

[1] Jinan Univ, Sch Tradit Chinese Med, Guangzhou 510632, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES | 2024年 / 25卷 / 19期

基金：

中国博士后科学基金;

关键词：

leonurine; nonalcoholic fatty liver disease; ADRA1a/AMPK/SCD1; axis; lipid metabolism; transcriptomic; lipidomic; SCM-198; SCD1; ACTIVATION; STRESS; GENE;

D O I：

10.3390/ijms251910855

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Leonurine is a natural product unique to the Lamiaceae plant Leonurus japonicus Houtt., and it has attracted attention due to its anti-oxidative stress, anti-apoptosis, anti-fibrosis, and metabolic regulation properties. Also, it plays an important role in the prevention and treatment of nonalcoholic fatty liver disease (NAFLD) through a variety of biological mechanisms, but its mechanism of action remains to be elucidated. Therefore, this study aims to preliminarily explore the mechanisms of action of leonurine in NAFLD. Mice were randomly divided into four groups: the normal control (NC) group, the Model (M) group, the leonurine treatment (LH) group, and the fenofibrate treatment (FB) group. The NAFLD model was induced by a high-fat high-sugar diet (HFHSD) for 12 weeks, and liver pathological changes and biochemical indices were observed after 12 weeks. Transcriptomic analysis results indicated that leonurine intervention reversed the high-fat high-sugar diet-induced changes in lipid metabolism-related genes such as stearoyl-CoA desaturase 1 (Scd1), Spermine Synthase (Sms), AP-1 Transcription Factor Subunit (Fos), Oxysterol Binding Protein Like 5 (Osbpl5), and FK506 binding protein 5 (Fkbp5) in liver tissues. Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis results suggest that leonurine may exert its lipid-lowering effects through the AMP-activated protein kinase (AMPK) signaling pathway. Liver lipidomic analysis showed that leonurine could alter the abundance of lipid molecules related to fatty acyl (FAs) and glycerophospholipids (GPs) such as TxB3, carnitine C12-OH, carnitine C18:1-OH, and LPC (20:3/0:0). Molecular biology experiments and molecular docking techniques verified that leonurine might improve hepatic lipid metabolism through the alpha-1A adrenergic receptor (ADRA1a)/AMPK/SCD1 axis. In summary, the present study explored the mechanism by which leonurine ameliorated NAFLD by inhibiting hepatic lipid synthesis via the ADRA1a/AMPK/SCD1 axis.

引用

页数：19

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