Cited by 23Pancreatic function and diabetesDiabetes Treatment and ManagementDiabetes Management and Research

The DOI matches its Crossref record.

Quantitative Determination of the Interaction Between Epinephrine and Various Insulin Releasers in Man

Abstract

Epinephrine significantly inhibited glucose-induced insulin release in man, the threshold dose being about 20 ng./kg. per minute. Maximal effect was attained with 60 ng./kg. per minute. In the presence of the threshold epinephrine dose, the dose-response curve for glucose-induced insulin release seemed to be displaced almost in parallel to the right of the control, suggesting competitive Inhibition. With the high epinephrine dose the inhibition of insulin release was of a noncompetitive nature. Epinephrine did not significantly suppress insulin release induced by either arginine or tolbutamide as compared with the effect of these insulinagogues when given at normoglycemia. Only in the case of glucagon did the high epinephrine dose (90 ng./kg. per minute) markedly inhibit the insulinogenic effect of the hormone (p<0.001) even when the effect of glucagon at normoglycemia was used as control. Since glucose exerted synergistk effects on insulin release in-duced by the other insulinagogues (arginine, glucagon, and tolbutamide), the insulinogenic effect of these insulinagogues In the presence of epinephrine was compared with their effect under hyperglycemie conditions similar to those obtained with epinephrine alone. It was found that epinephrine at a dose of 30 ng./kg. per minute totally inhibited the synergism between the hyperglycemie and the insulinagogues on insulin release. The greater the synergism—as with arginine and glucagon—the larger was the percentage inhibition by epinephrine. A threefold increase in the epinephrine dose further reduced the insulin response. Our experiments suggest that epinephrine—in the doses used—inhibited the effect of glucose on insulin release. This effect occurred regardless of whether glucose was used as the sole stimulator of insulin release or was used in synergism with such insulinagogues as arginine, tolbutamide, or glucagon.

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Crossref · 10.2337/diab.27.3.319

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  • Human studies have confirmed that epinephrine represses endogenous insulin secretion.

    “which remains debatable as human studies have confirmed the effect of epinephrine on repressing endogenous insulin secretion (39, 40).”

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Metadata

Authors
Efendić, S., Luft, R., & Cerasi, E.
Affiliations
Karolinska University Hospital (SE)
Venue
Diabetes
Published
1978-03-01
Volume
27
Issue
3
Pages
319-326
ISSN
  • 0012-1797 (ISSN-L)
  • 1939-327X
OpenAlex
W2120395965
Cited by
23
References
0
Citations by year
2022: 1
FWCI
4.65
Type
journal article
Language
en
Open access
closed
Locations
  • Diabetes (publishedVersion)
  • PubMed (publishedVersion)
Funders
Vetenskapsrådet
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Pancreatic function and diabetes
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Treatment and Management
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
Keywords
epinephrine, insulin secretion, glucose-stimulated insulin secretion, L-arginine, tolbutamide, glucagon, competitive inhibition, non-competitive inhibition, hyperglycemia, dose-response relationship, insulin secretion inhibition
MeSH terms
Adult, Arginine, Dose-Response Relationship, Drug, Epinephrine, Female, Glucose, Humans, Insulin, Male, Middle Aged, Tolbutamide

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