The DOI matches its Crossref record; 63 of the 63 references it cites were found in a registry or an index.
Direct glucocorticoid inhibition of insulin secretion. An in vitro study of dexamethasone effects in mouse islets.
Open accessAbstract
The direct effects of glucocorticoids on pancreatic beta cell function were studied with normal mouse islets. Dexamethasone inhibited insulin secretion from cultured islets in a concentration-dependent manner: maximum of approximately 75% at 250 nM and IC50 at approximately 20 nM dexamethasone. This inhibition was of slow onset (0, 20, and 40% after 1, 2, and 3 h) and only slowly reversible. It was prevented by a blocker of nuclear glucocorticoid receptors, by pertussis toxin, by a phorbol ester, and by dibutyryl cAMP, but was unaffected by an increase in the fuel content of the culture medium. Dexamethasone treatment did not affect islet cAMP levels but slightly reduced inositol phosphate formation. After 18 h of culture with or without 1 microM dexamethasone, the islets were perifused and stimulated by a rise in the glucose concentration from 3 to 15 mM. Both phases of insulin secretion were similarly decreased in dexamethasone-treated islets as compared with control islets. This inhibition could not be ascribed to a lowering of insulin stores (higher in dexamethasone-treated islets), to an alteration of glucose metabolism (glucose oxidation and NAD(P)H changes were unaffected), or to a lesser rise of cytoplasmic Ca2+ in beta cells (only the frequency of the oscillations was modified). Dexamethasone also inhibited insulin secretion induced by arginine, tolbutamide, or high K+. In this case also the inhibition was observed despite a normal rise of cytoplasmic Ca2+. In conclusion, dexamethasone inhibits insulin secretion through a genomic action in beta cells that leads to a decrease in the efficacy of cytoplasmic Ca2+ on the exocytotic process.
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“by modulating insulin secretion in pancreatic beta cells ( 36-39 ),”
From Dynamic modulation of glucose utilisation by glucocorticoid rhythms in health and disease (2020) · cites this paper as [38]
In the citing paper
“In addition, animal studies8,9 have demonstrated direct inhibitory effects of GCs on insulin secretion and adverse effects on â-cell function in some human studies.10,11”
From Twenty‐four‐hour profiles of plasma glucose, insulin, C‐peptide and free fatty acid in subjects with varying degrees of glucose tolerance following short‐term, medium‐dose prednisone (20 mg/day) treatment: evidence for differing effects on insulin secretion and action (2012) · cites this paper as [8]
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Berridge, M. J., Dawson, R. M. C., Downes, C. P., Heslop, J. P., & Irvine, R. F. (1983) · Biochemical Journal · doi:10.1042/bj2120473 · Cited by 1,954
Mechanism of glucose-induced insulin secretion.
Hedeskov, C. J. (1980) · Physiological Reviews · doi:10.1152/physrev.1980.60.2.442 · Cited by 435
Effects of glucocorticoids on carbohydrate metabolism
Mcmahon, M., Gerich, J., & Rizza, R. (1988) · Diabetes/Metabolism Reviews · doi:10.1002/dmr.5610040105 · Cited by 390
Moguilewsky, M., & Philibert, D. (1984) · Journal of Steroid Biochemistry · doi:10.1016/0022-4731(84)90216-4 · Cited by 371
Gembal, M., Detimary, P., Gilon, P., Gao, Z. Y., & Henquin, J. C. (1993) · Journal of Clinical Investigation · doi:10.1172/jci116308 · Cited by 260
Self-citationGilon, P., & Henquin, J. C. (1992) · Journal of Biological Chemistry · doi:10.1016/s0021-9258(19)36744-4 · Cited by 251
Self-citationD-Glucose inhibits potassium efflux from pancreatic islet cells
Henquin, J. (1978) · Nature · doi:10.1038/271271a0 · Cited by 208
Self-citationKatada, T., & Ui, M. (1979) · Journal of Biological Chemistry · doi:10.1016/s0021-9258(17)37941-3 · Cited by 194
Metabolic effects of the nocturnal rise in cortisol on carbohydrate metabolism in normal humans.
Dinneen, S., Alzaid, A., Miles, J., & Rizza, R. (1993) · Journal of Clinical Investigation · doi:10.1172/jci116832 · Cited by 175
Thyroid Hormones, Gonadal and Adrenocortical Steroids and the Function of the Islets of Langerhans
Lenzen, S., & Bailey, C. J. (1984) · Endocrine Reviews · doi:10.1210/edrv-5-3-411 · Cited by 168
Research works printed but not linked: 1
- Morgan, N.G., R.D. Hurst, and S.L.F. Chan. 1989. Control of insulin secretion by ␣ 2 -receptor activation. Proc. 5th Japanese ␣-receptor Conference. 79-96.
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Metadata
- Authors
- Lambillotte, C., Gilon, P., & Henquin, J. C.
- Affiliations
- UCLouvain (BE)
- ORCID
- Gilon, P
- Venue
- Journal of Clinical Investigation
- Published
- 1997-02-01
- Volume
- 99
- Issue
- 3
- Pages
- 414-423
- ISSN
- 0021-9738 (ISSN-L)
- PMC
- PMC507814
- OpenAlex
- W2047680032
- Cited by
- 419
- References
- 59
- Citations by year
- 2026: 3 · 2025: 13 · 2024: 9 · 2023: 14 · 2022: 9 · 2021: 18 · 2020: 13 · 2019: 17 · 2018: 9 · 2017: 10 · 2016: 17 · 2015: 27 · 2014: 26 · 2013: 23 · 2012: 30
- FWCI
- 4.99
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Journal of Clinical Investigation (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Digital Access to Libraries (Université catholique de Louvain (UCL), l'Université de Namur (UNamur) and the Université Saint-Louis (USL-B)) (submittedVersion, other-oa)
- Funders
- Fédération Wallonie-Bruxelles
- Topics
- Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Pancreatic function and diabetes
- Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Treatment and Management
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
- Keywords
- dexamethasone, glucocorticoids, insulin secretion, pancreatic beta cells, pancreatic islets, glucocorticoid receptor, pertussis toxin, phorbol ester, cyclic AMP, inositol phosphates, intracellular calcium, exocytosis, glucose-stimulated insulin secretion, L-arginine, tolbutamide, high potassium stimulation, glucose metabolism
- MeSH terms
- Insulin Secretion, Cyclic AMP, Animals, Arginine, B-Lymphocytes, Calcium, Cells, Cultured, Dexamethasone, Bucladesine, Dose-Response Relationship, Drug, Glucocorticoids, Glucose, Inositol Phosphates, Insulin, Islets of Langerhans, Male, Mice, Inbred Strains, NADP, Oxidation-Reduction, Virulence Factors, Bordetella, Phorbol Esters, Potassium, Receptors, Glucocorticoid, Tolbutamide, Pertussis Toxin, Mice
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