Abstract:Insulin resistance is closely associated with elevated intracellular Ca2+ concentration under ectopic lipid accumulation and hyperglycemia-induced intracellular stress conditions. We recently identified that obesity impairs intracellular Ca2+ homeostasis, which prevents membrane localization of PH domain-containing proteins such as AKT, PLCδ, and IRS through the formation of Ca2+-phosphoinositides (PIPs), resulting in dysregulation of glucose homeostasis and insulin resistance. It is unclear, however, whether … Show more
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