Cited by 41Pancreatic function and diabetesNeuroendocrine regulation and behaviorRegulation of Appetite and Obesity

Both V1A and V1B vasopressin receptors deficiency result in impaired glucose tolerance

Nakamura, Kazuaki, Aoyagi, Toshinori, Hiroyama, Masami, Kusakawa, Shinji, Mizutani, Reiko, Sanbe, Atsushi, Yamauchi, Junji, Kamohara, Masazumi +2 more·2009·European Journal of Pharmacology

Abstract

[Arg(8)]-vasopressin (AVP) is involved in the regulation of glucose homeostasis via vasopressin V(1A) and vasopressin V(1B) receptor. Our previous studies have demonstrated that vasopressin V(1A) receptor deficient (V(1A)R(-/-)) mice exhibited hyperglycemia, vasopressin V(1B) receptor deficient (V(1B)R(-/-)) mice, in contrast, exhibited hypoglycemia with hypoinsulinemia. These findings indicate that vasopressin V(1A) receptor deficiency results in decreased insulin sensitivity, whereas vasopressin V(1B) receptor deficiency results in increased insulin sensitivity. In our previous and present studies, we used the glucose tolerance test to investigate glucose tolerance in mutant mice, lacking either the vasopressin V(1A) receptor, the vasopressin V(1B) receptor, or both receptors, that were kept on a high-fat diet. Glucose and insulin levels were lower in V(1B)R(-/-) mice than in wild type (WT) mice when both groups were fed the high-fat diet, which indicates that the insulin sensitivity of the V(1B)R(-/-) mice was enhanced. V(1A)R(-/-) mice on the high-fat diet, on the other hand, exhibited overt obesity, along with an impaired glucose tolerance, while WT mice on the high-fat diet did not. Next, in order to assess the effect of vasopressin V(1B) receptor deficiency on the development of glucose intolerance caused by vasopressin V(1A) receptor deficiency, we generated mice that were deficient for both vasopressin V(1A) receptor and vasopressin V(1B) receptor (V(1AB)R(-/-)), fed them a high-fat diet, and examined their glucose tolerances using the glucose tolerance test. Glucose tolerance was impaired in V(1AB)R(-/-) mice, suggesting that the effects of vasopressin V(1B) receptor deficiency could not influence the development of hyperglycemia promoted by vasopressin V(1A) receptor deficiency, and that blockade of both receptors could lead to impaired glucose tolerance.

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Crossref · 10.1016/j.ejphar.2009.04.008

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Authors
Nakamura, K., Aoyagi, T., Hiroyama, M., Kusakawa, S., Mizutani, R., Sanbe, A., Yamauchi, J., Kamohara, M., Momose, K., & Tanoue, A.
Affiliations
  • National Research Institute for Child Health and Development (JP)
  • Astellas Pharma (Japan) (JP)
Corresponding author
Tanoue, Akito
Venue
European Journal of Pharmacology
Publisher
Elsevier BV
Published
2009-06
Volume
613
Issue
1-3
Pages
182-188
ISSN
0014-2999 (ISSN-L)
OpenAlex
W2007102871
Cited by
41
References
29
Citations by year
2026: 2 · 2025: 1 · 2024: 4 · 2023: 2 · 2021: 4 · 2020: 1 · 2019: 2 · 2018: 3 · 2017: 6 · 2016: 2 · 2015: 5 · 2013: 3 · 2012: 2
FWCI
2.02
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Pharmacology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Ministry of Education, Culture, Sports, Science and Technology
Topics
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
Keywords
vasopressin V1a receptor, vasopressin V1b receptor, vasopressin, glucose tolerance, glucose homeostasis, insulin sensitivity, hyperglycemia, hypoglycemia, high-fat diet, obesity, receptor knockout mice
MeSH terms
Animals, Blood Glucose, Body Weight, Energy Intake, Dietary Fats, Homeostasis, Insulin, Male, Phosphorylation, Receptors, Vasopressin, Glucose Intolerance, Proto-Oncogene Proteins c-akt, Mice, Adipocytes, White

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