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Aims/hypothesis The role of the redox adaptor protein p66Shc as a potential mediator of saturated fatty acid (FA)-induced beta cell death was investigated. Methods The effects of the FA palmitate on p66Shc expression were evaluated in human and murine islets and in rat insulin-secreting INS-1E cells. p66Shc expression was also measured in islets from mice fed a high-fat diet (HFD) and from human...
Aims/hypothesis The mechanisms of the protective effects of exendin-4 on NEFA-induced beta cell apoptosis were investigated. Methods The effects of exendin-4 and palmitate were evaluated in human and murine islets, rat insulin-secreting INS-1E cells and murine glucagon-secreting alpha-TC1-6 cells. mRNA and protein expression/phosphorylation were measured by real-time RT-PCR and immunoblotting or...
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