Abstract Title:

Ginger phytochemicals mitigate the obesogenic effects of a high-fat diet in mice: a proteomic and biomarker network analysis.

Abstract Source:

Mol Nutr Food Res. 2011 Sep ;55 Suppl 2:S203-13. Epub 2011 Aug 30. PMID: 21954187

Abstract Author(s):

John H Beattie, Fergus Nicol, Margaret-Jane Gordon, Martin D Reid, Louise Cantlay, Graham W Horgan, In-Sook Kwun, Ji-Yun Ahn, Tae-Youl Ha

Article Affiliation:

Division of Lifelong Health, Rowett Institute of Nutrition and Health, University of Aberdeen, Bucksburn, Aberdeen, Scotland, UK. J.Beattie@abdn.ac.uk

Abstract:

SCOPE: Natural dietary anti-obesogenic phytochemicals may help combat the rising global incidence of obesity. We aimed to identify key hepatic pathways targeted by anti-obsogenic ginger phytochemicals fed to mice.

METHODS AND RESULTS: Weaning mice were fed a high-fat diet containing 6-gingerol (HFG), zerumbone (HFZ), a characterized rhizome extract of the ginger-related plant Alpinia officinarum Hance (high fat goryankang, HFGK) or no phytochemicals (high-fat control, HFC) for 6 wks and were compared with mice on a low-fat control diet (LFC). Increased adiposity in the HFC group, compared with the LFC group, was significantly (p<0.05) reduced in the HFG and HFGK groups without food intake being affected. Correlation network analysis, including a novel residuals analysis, was utilized to investigate relationships between liver proteomic data, lipid and cholesterol biomarkers and physiological indicators of adiposity. 6-Gingerol significantly increased plasma cholesterol but hepatic farnesyl diphosphate synthetase, which is involved in cholesterol biosynthesis was decreased, possibly by negative feedback. Acetyl-coenzyme A acyltransferase 1 and enoyl CoA hydratase, which participate in theβ-oxidation of fatty acids were significantly (p<0.05) increased by consumption of phytochemical-supplemented diets.

CONCLUSION: Dietary ginger phytochemicals target cholesterol metabolism and fatty acid oxidation in mice, with anti-obesogenic but also hypercholesterolemic consequences.

Study Type : Animal Study
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