Neurogenin3 Activates the Islet Differentiation Program while Repressing Its Own Expression

Abstract excerpt

Expression of the proendocrine factor Neurogenin3 determines which progenitor cells in the developing pancreas will differentiate into the endocrine cells of the islets of Langerhans. To better understand how Neurogenin3 directs endocrine differentiation, we examined the mechanisms by which Neurogenin3 regulates the promoters of three transcription factor genes expressed in endocrine precursor cells: the nkx2.2...

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