Cited by 69Electrolyte and hormonal disordersDiabetes Management and ResearchPancreatic function and diabetes

Vasopressin in Rats With Genetic and Streptozocin-Induced Diabetes

Brooks, David P, Nutting, David F, Crofton, Joan T, Share, Leonard·1989·Diabetes

Abstract

Rats were administered streptozocin (STZ; 50 or 75 mg/kg i.v., tail vein) or vehicle. Approximately 2 wk later, venous and arterial catheters were implanted for subsequent (24 h later) vasopressin, electrolyte, and hemodynamic measurements. STZ-induced diabetic (STZ-D) rats demonstrated a dose-dependent increase in the plasma glucose concentration, plasma osmolality, and plasma vasopressin concentration. Mean arterial blood pressure (MABP) was unchanged, but heart rate was reduced. Diabetes-prone BB rats, maintained on or withdrawn from insulin treatment for 24–48 h, and diabetes-resistant rats were instrumented and studied as above. Spontaneous-diabetes–prone rats demonstrated increases in plasma glucose concentration and plasma osmolality similar to STZ-D rats but had significantly greater plasma vasopressin concentrations. The significant decrease in MABP observed in these animals probably contributed to the enhanced vasopressin response. We conclude that both osmotic and cardiovascular parameters play important roles in vasopressin secretion in diabetic rats.

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Crossref · 10.2337/diab.38.1.54

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Authors
Brooks, D. P., Nutting, D. F., Crofton, J. T., & Share, L.
Affiliations
Department of Physiology and Biophysics, University of Tennessee Memphis, Tennessee
Venue
Diabetes
Published
1989-01-01
Volume
38
Issue
1
Pages
54-57
ISSN
  • 0012-1797 (ISSN-L)
  • 1939-327X
OpenAlex
W2007764235
Cited by
69
References
0
Citations by year
2026: 1 · 2024: 1 · 2021: 3 · 2020: 2 · 2019: 2 · 2018: 1 · 2017: 2 · 2016: 3 · 2015: 2 · 2014: 1 · 2013: 1 · 2012: 3
FWCI
3.98
Type
journal article
Language
en
Open access
closed
Locations
  • Diabetes (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Heart, Lung, and Blood Institute (HL 19209, HL12990)
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Electrolyte and hormonal disorders
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
Keywords
vasopressin, streptozotocin-induced diabetes, BB rat, diabetes-prone rats, plasma osmolality, plasma glucose, blood pressure, heart rate, insulin therapy, osmoregulation, cardiovascular regulation
MeSH terms
Animals, Blood Glucose, Blood Pressure, Diabetes Mellitus, Experimental, Male, Osmolar Concentration, Rats, Inbred Strains, Vasopressins, Rats

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