THE EFFECT OF SERUM IONIZED CALCIUM ELEVATION ON SOMATOSTATIN INHIBITION OF GLUCOSE‐INDUCED INSULIN RELEASE IN HUMANS

B. L. WAJCHENBERG, F. P. CESAR, C. E. LEME, H. B. SILVA, A. C. LERARIO, D. H. COY, A. V. SCHALLY

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Abstract

The effect of somatostatin on the insulin response to an acute intravenous glucose load was studied in five normal subjects before and after induction hypercalcaemia. In the normocalcaemic state, the insulin response to glucose was depressed by somatostatin. In the hypercalcaemic state, insulin responses to glucose in the presence of somatostatin, were partially restored and appeared to be related to the level of increment of serum ionized calcium. It is concluded that, in the human being, hypercalcaemia and somatostatin have opposite actions on glucose-stimulated insulin secretion.

Original languageEnglish (US)
Pages (from-to)515-521
Number of pages7
JournalClinical Endocrinology
Volume9
Issue number6
DOIs
StatePublished - Dec 1978
Externally publishedYes

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ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

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