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THE EFFECT OF SERUM IONIZED CALCIUM ELEVATION ON SOMATOSTATIN INHIBITION OF GLUCOSE‐INDUCED INSULIN RELEASE IN HUMANS
Author(s) -
WAJCHENBERG B. L.,
CESAR F. P.,
LEME C. E.,
SILVA H. B.,
LERARIO A. C.,
COY D. H.,
SCHALLY A. V.
Publication year - 1978
Publication title -
clinical endocrinology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.055
H-Index - 147
eISSN - 1365-2265
pISSN - 0300-0664
DOI - 10.1111/j.1365-2265.1978.tb01509.x
Subject(s) - somatostatin , medicine , endocrinology , insulin , hypercalcaemia , calcium , chemistry
SUMMARY The effect of somatostatin on the insulin response to an acute intravenous glucose load was studied in five normal subjects before and after induction of 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.