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KMID : 1161420150180040489
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Journal of Medicinal Food
2015 Volume.18 No. 4 p.489 ~ p.496
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Anthocyanins from Fermented Berry Beverages Inhibit Inflammation-Related Adiposity Response In Vitro
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Garcia-Diaz Diego F.
Johnson Michelle H.
de Mejia Elvira G.
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Abstract
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Increased adiposity has been associated with macrophage infiltration into the adipose tissue which, in turn, leads to obesity comorbidities, including type 2 diabetes. The objective of this study was to evaluate the effect of anthocyanin (ANC)-enriched fractions from blackberry?blueberry beverages on inflammation and adipogenesis in an in vitro model of inflammation mimicking the pathologic interaction between adipocytes and macrophages. Blend ANCs inhibited secretion of nitric oxide (17.5%), tumor necrosis factor-alpha (TNF-α) (89.4%), and phosphorylated-p65 nuclear factor kappa-B (52.1%) in lipopolysaccharide (LPS)-induced RAW264.7 macrophages after 24?h. Blends reduced intracellular fat accumulation (28.2%) when applied during 3T3-L1 adipocyte differentiation and inhibited isoproterenol-induced lipolysis (18.6%) of mature 3T3-L1 cells. In addition, blend ANCs restored adiponectin-blunted gene expression induced by the TNF-α treatment (18.2%) and reduced the glycerol release (15.9%) induced by LPS-induced macrophage-conditioned media (CM) in adipocytes. Furthermore, blends slightly restored the insulin-induced glucose uptake of adipocytes, blunted by the CM treatment. In conclusion, ANCs from blueberry and blackberry dealcoholized fermented beverages are potential inhibitors of inflammation-related adiposity response and sensitizers of insulin signaling in adipocytes.
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KEYWORD
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adiposity, anthocyanins, anti-inflammatory, diabetes, fermentation
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