Month: October 2010

Insulin resistance is a key feature of type 2 diabetes, and the strong association between fat oversupply and defective insulin action in target tissues, especially skeletal muscle and liver, has motivated the search for intracellular lipid mediators that can interfere with insulin signaling and glucose homeostasis. Two of the best-studied candidates are diacylglycerol (DAG) and
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In subjects with type 1 diabetes, autoimmune destruction of pancreatic β-cells leads eventually to an absolute requirement for insulin replacement therapy. Insulin delivered exogenously is not subject to normal physiological feedback regulation, so it may induce hypoglycemia even in the presence of an intact counterregulatory response. The average individual with type 1 diabetes experiences about
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