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- Title
Enhancing bile tolerance of Lactobacilli is involved in the hypolipidemic effects of liraglutide.
- Authors
Wang, Chang; Hu, Hai-Jie; Dong, Qing-Qing; Huang, Rui; Zhao, Wei; Song, Ya-Jian; Li, Zhong-Yuan; Wang, Nan; Zhang, Tong-Cun; Luo, Xue-Gang
- Abstract
Liraglutide is an analog of human glucagon-like peptide-1 which play essential roles in regulation of glycolipid metabolism. To investigate role of lactic acid bacteria (LAB) in lipid-lowering effect of liraglutide, 40 mice were divided into normal food diet (NFD), high-fat food (HFD), 10.0 mg/kg/d simvastatin-treated HFD (SIM + HFD), 200 and 400 µg/kg/d liraglutide-treated HFD (LL + HFD and HL + HFD) groups for 5 weeks. We found that liraglutide could upregulate cholesterol 7α-hydroxylase (CYP7A1) and LDL-receptor (LDLR), whereas downregulate 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMGCR). Besides, liraglutide enhance abundance of lactobacillaceae in gut of hyperlipidemic mice and increase bile tolerance ability of LAB by upregulating bile salt hydrolases, and the lysate of liraglutide-sensitive LAB could also directly downregulate HMGCR, the key enzyme in cholesterol synthesis, and inhibit hepatocyte steatosis. These findings might provide new theoretical guidance for clinical application of liraglutide and research and development of antiobesity, hypolipidemic, and cholesterol-lowering drugs or functional foods.
- Subjects
LIRAGLUTIDE; LACTIC acid bacteria; ANTICHOLESTEREMIC agents; GLYCOLIPIDS; BILE salts; METABOLIC regulation; ENTEROHEPATIC circulation; BILE
- Publication
Bioscience, Biotechnology & Biochemistry, 2021, Vol 85, Issue 6, p1395
- ISSN
0916-8451
- Publication type
Article
- DOI
10.1093/bbb/zbab053