Cited by 47Neuroendocrine regulation and behaviorNeuropeptides and Animal PhysiologyCardiovascular, Neuropeptides, and Oxidative Stress Research

Vasopressin-induced contraction of uterus is mediated solely by the oxytocin receptor in mice, but not in humans

Kawamata, Masaki, Mitsui-Saito, Minori, Kimura, Tadashi, Takayanagi, Yuki, Yanagisawa, Teruyuki, Nishimori, Katsuhiko·2003·European Journal of Pharmacology

Abstract

In the non-pregnant mouse myometrium, both arginine vasopressin and oxytocin induced contractions (pD(2)=8.55+/-0.13 and 9.23+/-0.09, respectively). The effect of oxytocin was the most potent, while the maximum contractions induced by these two peptides were almost of the same magnitude. Both vasopressin- and oxytocin-induced contractions were strongly inhibited by an oxytocin receptor antagonist, CL-12-42 (d(CH(2))(5)[Tyr(Me)(2),Thr(4),Tyr-NH(2)(9)]OVT), and weakly inhibited by a vasopressin V(1a) receptor antagonist, SR49059 ((2S)1-[(2R,3S)-5-chloro-3-(2-chlorophenyl)-1-(3,4-dimethoxybenzene-sulfonyl)-3-hydroxy-2,3-dihydro-1H-indole-2-carbonyl]-pyrrolidine-2-carboxamide). Similar results were obtained in the pregnant mouse myometrium. These results suggest that not only oxytocin- but also vasopressin-induced contraction is mediated by the activation of oxytocin receptors in the mouse myometrium. A reverse transcription polymerase chain reaction study failed to reveal mRNA of the vasopressin V(1a) receptor in the mouse myometrium. In contrast, in the non-pregnant human myometrium, vasopressin-induced contraction was inhibited by SR49059. Oxytocin showed no effect on the myometrium. These results suggest that there are significant differences in the functional receptors and contractile responses to vasopressin and oxytocin in the human and mouse uteri.

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Crossref · 10.1016/s0014-2999(03)01914-9

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Authors
Kawamata, M., Mitsui-Saito, M., Kimura, T., Takayanagi, Y., Yanagisawa, T., & Nishimori, K.
Affiliations
  • Tohoku University (JP)
  • Osaka International Cancer Institute (JP)
Venue
European Journal of Pharmacology
Publisher
Elsevier BV
Published
2003-07
Volume
472
Issue
3
Pages
229-234
ISSN
0014-2999 (ISSN-L)
OpenAlex
W2040816275
Cited by
47
References
36
Citations by year
2026: 1 · 2025: 4 · 2022: 1 · 2021: 2 · 2020: 16 · 2019: 3 · 2017: 1 · 2015: 2 · 2014: 1 · 2013: 2 · 2012: 1
FWCI
3.71
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Pharmacology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Health Sciences › Medicine › Surgery › Cardiovascular, Neuropeptides, and Oxidative Stress Research
Keywords
vasopressin, oxytocin, uterine contraction, myometrium, oxytocin receptor, vasopressin V1a receptor, species differences, pregnancy, mice, human
MeSH terms
Adult, Animals, Dose-Response Relationship, Drug, Female, Humans, Mice, Inbred C57BL, Middle Aged, Oxytocin, Pregnancy, Uterine Contraction, Vasopressins, Receptors, Oxytocin, Mice, In Vitro Techniques

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