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California Table Grape Consumption Reduces Adiposity, Hepatic Triglycerides, Lipogenic Gene Expression, and Abundance of Sulfidogenic Bacteria in Mice Fed Butter Fat
Author(s) -
Baldwin Jessie,
Collins Brian,
Wolfe Patricia,
Shen Wan,
Chuang ChiaChi,
Zhong Wei,
Cooney Paula,
Gaskins H Rex,
McIntosh Michael
Publication year - 2015
Publication title -
the faseb journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.709
H-Index - 277
eISSN - 1530-6860
pISSN - 0892-6638
DOI - 10.1096/fasebj.29.1_supplement.608.4
Subject(s) - steatosis , adipose tissue , white adipose tissue , endocrinology , medicine , food science , lipid metabolism , biology , chemistry
This study examined the extent to which consuming polyphenol‐rich, California table grapes (3 or 5%, w/w) reduces adiposity, hepatic steatosis, markers of inflammation or lipid metabolism, or impacts gut microbiota in male C57BL/6J mice fed a butter‐rich diet for 11 weeks. Total body and inguinal fat content were reduced in mice fed grapes at both levels compared to their high‐fat, sugar controls. Liver weights, triglycerides, and expression of lipogenic Gpat1 were decreased in mice fed 5% grapes compared to 5% controls. Mice fed 3% grapes had lower hepatic mRNA levels of the lipogenic genes Pparg2 , Scd1 , Fabp4 , and Gpat1 compared to 3% controls. In white adipose tissue (WAT), mice fed 5% grapes had decreased mRNA levels of the lipogenic gene Agpat2 compared to controls. Although grape feeding had only a minor impact on markers of inflammation in WAT or intestine, 3% grapes decreased the intestinal abundance of sulfidogenic Desulfobacter spp. and the Bilophila wadsworthia ‐specific dissimilatory sulfite reductase gene, and tended to increase the abundance of the beneficial bacterium Akkersmansia muciniphilia compared to controls. Notably, grape feeding attenuated the high fat‐induced impairment in localization of the intestinal tight junction protein ZO‐1. These data indicate that some of the adverse health consequences of consuming a diet rich in saturated fat can be attenuated by table grape consumption. Funded by the California Table Grape Commission.

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