Objective: Somatostatin (SST) is secreted by islet δ-cells and by extraislet neuroendocrine cells. SST receptors have been identified on α- and β-cells, and exogenous SST inhibits insulin and ...

Scientists have identified three additional cell types in islets, including cells that secrete the hormones somatostatin ... receptors is disrupted in diabetes. Many classes of cell surface ...