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Abstract Title:

Natural Piperine Improves Lipid Metabolic Profile of High-Fat Diet-Fed Mice by Upregulating SR-B1 and ABCG8 Transporters.

Abstract Source:

J Nat Prod. 2021 Feb 26 ;84(2):373-381. Epub 2021 Jan 25. PMID: 33492139

Abstract Author(s):

Xingming Hou, Congxiao Zhang, Limei Wang, KeWei Wang

Article Affiliation:

Xingming Hou

Abstract:

Natural piperine from black pepper is known to function as hypocholesterolemic agent, but how it lowers the blood cholesterol remains unclear. In this study, we found that intragastric administrations of piperine (25 mg/kg/day) for 8 weeks significantly reduced the plasma triglyceride (TG), total cholesterol (TC), and low-density lipoprotein cholesterol (LDL-C) in high-fat diet (HFD)-fed mice. H&E staining indicated that piperine significantly decreased hepatic lipid accumulation compared with the control group. The Oil Red O staining further showed that piperine attenuated lipid deposition in liver HepG2 cells in a concentration-dependent manner. Mechanistically, piperine treatment caused a significant upregulation of hepatic scavenger receptor B1 (SR-B1) in the liver and transporter protein of ATP binding cassette SGM8 (ABCG8) in the small intestine. Taken together, our findings demonstrate the role of natural piperine in improving lipid metabolic profile that is involved in the reverse cholesterol transport (RCT)-mediated mechanism through upregulation of SR-B1 in the liver and ABCG8 in the small intestine.

Study Type : Animal Study
Additional Links
Pharmacological Actions : Hypolipidemic : CK(5358) : AC(1880)

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