Abstract:AbstractGenetic and acquired abnormalities contribute to pancreatic β-cell failure in diabetes. Transcription factors Hnf4α (MODY1) and FoxO1 are respective examples of these two components, and are known to act through β-cell-specific enhancers. However, their relationship is unclear. Here we show by genome-wide interrogation of chromatin modifications that FoxO1 ablation in mature β-cells leads to increased selection of FoxO1 enhancers by Hnf4α. To model the functional signif… Show more
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