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Article Abstract
Transcription factor Islet-1 (Isl1) and ubiquitin ligase Ring Finger 20 (Rnf20) complexes regulate insulin secretion and β-cell gene expression in vitro. Loss of Rnf20 in adult β-cells disrupts β-cell identity and insulin processing, production, and secretion. In complex with Isl1, Rnf20 influences the β-cell regulome and supports proper glucose homeostasis.
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