Month: December 2004

A Model for Studying Mechanisms and Treatment of Impaired Glucose Tolerance and Type 2 Diabetes Abstract This study characterizes the high-fat diet–fed mouse as a model for impaired glucose tolerance (IGT) and type 2 diabetes. Female C57BL/6J mice were fed a high-fat diet (58% energy by fat) or a normal diet (11% fat). Body weight
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Modulation of Islet Hormone Release by GLP-1 Agonism Abstract Glucagon-like peptide (GLP)-1 is a gut hormone that stimulates insulin secretion, gene expression, and β-cell growth. Together with the related hormone glucose-dependent insulinotropic polypeptide (GIP), it is responsible for the incretin effect, the augmentation of insulin secretion after oral as opposed to intravenous administration of glucose.
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Abstract This article proposes five stages in the progression of diabetes, each of which is characterized by different changes in β-cell mass, phenotype, and function. Stage 1 is compensation: insulin secretion increases to maintain normoglycemia in the face of insulin resistance and/or decreasing β-cell mass. This stage is characterized by maintenance of differentiated function with
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