Abstract:<p>The molecular and functional heterogeneity of pancreatic b-cells is well recognized, but the underlying mechanisms remain unclear. Pancreatic islets harbor a subset of b-cells that co-express Tyrosine Hydroxylase (TH), an enzyme involved in synthesis of catecholamines that repress insulin secretion. Restriction of the TH+ b-cells within islets is essential for appropriate function in mice, such that higher proportion of these cells corresponds to reduced insulin secretion. Here, we use these cells as … Show more
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