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Does secretin control insulin secretion?

A V Greco, R Manna, G Ghirlanda

    Experimental and Clinical Endocrinology
    |July 1, 1984
    PubMed
    Summary
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    Secretin weakly stimulates insulin release, failing to enhance arginine-induced secretion. This finding challenges secretin's role as the primary hormone in the enteroinsular axis.

    Area of Science:

    • Endocrinology
    • Gastroenterology

    Background:

    • The enteroinsular axis regulates glucose homeostasis.
    • Secretin's role in this axis is not fully understood.

    Purpose of the Study:

    • To investigate the effect of secretin on insulin release.
    • To determine if secretin potentiates arginine-induced insulin secretion.

    Main Methods:

    • Normal subjects received arginine prestimulation.
    • Secretin or glucose pulses were administered.
    • Insulin secretion was measured.

    Main Results:

    • Secretin induced a weak and brief insulin secretion.
    • Secretin did not potentiate arginine-induced insulin secretion.

    Related Experiment Videos

  • Glucose induced a stronger insulin response.
  • Conclusions:

    • Secretin is not a potent stimulator of insulin release.
    • The findings do not support secretin as the central hormone in the enteroinsular axis.