Regulation of Insulin Gene Transcription by ERK1 and ERK2 in Pancreatic β Cells

Abstract excerpt

We show that the mitogen-activated protein kinases ERK1/2 are components of the mechanism by which glucose stimulates insulin gene expression. ERK1/2 activity is required for glucose-dependent transcription from both the full-length rat insulin I promoter and the glucose-sensitive isolated E2A3/4 promoter element in intact islets and beta cell lines. Dominant negative ERK2 and MEK inhibitors suppress glucose...

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