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Tumor necrosis factor (TNF)-alpha is postulated to play a major role in the pathogenesis of obesity-linked insulin resistance, probably resulting from an interaction with insulin signaling pathways. This cross talk has now been investigated in human adipocytes at the level of phosphatidylinositol (PI) 3-kinase, and the TNF receptors (TNFRs) mediating these(More)
OBJECTIVE: In differentiating human preadipocytes glucose uptake in the presence of insulin is a prerequisite for lipid accumulation. The aim of this study was to characterize the insulin-regulated glucose transport system during and after differentiation.DESIGN AND METHODS: Human adipocyte precursor cells kept in primary culture were allowed to(More)
The survival of single strains of Bifidobacterium breve, Bifidobacterium longum, Lactobacillus acidophilus, and Lactobacillus reuteri was investigated in synbiotics that included 10 mg/ml of fructo-oligosaccharides, inulin and pectic-oligosaccharides in an alginate matrix under refrigerated (4 °C) aerobic storage conditions. When the matrices were(More)
Freshly isolated adult rat ventricular cardiomyocytes have been used to characterize the action profile of the new thiazolidinedione antidiabetic drug MCC-555. Preincubation of cells with the compound (100 microM for 30 min or 10 microM for 2 h) did not modify basal 3-O-methylglucose transport, but produced a marked sensitizing effect (2- to 3-fold increase(More)
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