Hypolipidemic effects of kaempferide-7-O-(4''-O-acetylrhamnosyl)-3-O-rutinoside in hyperlipidemic rats induced by a high-fat diet
Affiliations: Department of Pharmacology, College of Pharmacy, Jilin University, Changchun 130021, P.R. China, Department of Analytical Chemistry, College of Pharmacy, Jilin University, Changchun 130021, P.R. China
- Published online on: December 15, 2011 https://doi.org/10.3892/mmr.2011.714
- Pages: 837-841
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Kaempferide-7-O-(4''-O-acetylrhamnosyl)-3-O-rutinoside (A-F-B) is a novel flavonoid which is extracted from the leaves of Actinidia kolomikta. The aim of this study was to investigate the hypolipidemic effects of A-F-B in hyperlipidemic rats induced by a high-fat diet. Male Wistar rats were randomly divided into six groups: normal diet group, high-fat diet group, lovastatin (2.5 mg/kg) group and A-F-B (12.5, 25 or 50 mg/kg) groups. To evaluate the lipid-lowering effects of A-F-B, total cholesterol (TC), triglyceride (TG), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), atherogenic index (AI) and coronary risk index (CRI) were investigated. The activities of phosphatidate phosphohydrolase (PAP) and hydroxymethylglutaryl coenzyme A (HMG-CoA) reductase in hepatic tissue were evaluated. Treatment with A-F-B to hyperlipidemic rats resulted in a significant decline in TC, TG, LDL-C, AI and CRI, with an increase in HDL-C level. The results also showed that A-F-B significantly decreased the activities of PAP and HMG-CoA reductase in hepatic tissue. These findings suggest that A-F-B improves lipid profiles. The mechanisms of A-F-B were associated with regulating the activities of PAP and HMG-CoA reductase in hepatic tissue.