DYNAMICS OF INSULIN RELEASE BY PERFUSED HAMSTER (MESOCRICETUS AURATUS) PANCREASES: EFFECTS OF HYPOPHYSECTOMY, BOVINE AND HUMAN GROWTH HORMONE, AND PROLACTIN

Abstract
SUMMARY The hamster exhibits a biphasic pattern of insulin secretion; however, the dynamic response differs qualitatively from that of the rat in that there is a steady-state second release phase. A marked attenuation of insulin secretion as a result of hypophysectomy was observed after 3 weeks, but not after 2 weeks. This depression of insulin secretion was restored to near or above normal levels by bovine growth hormone, human growth hormone, and prolactin.

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