Cited by 29Neuropeptides and Animal PhysiologyEstrogen and related hormone effectsHypothalamic control of reproductive hormones

Ovarian steroids regulate tachykinin and tachykinin receptor gene expression in the mouse uterus

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Pinto, Francisco M, Pintado, C Oscar, Pennefather, Jocelyn N, Patak, Eva, Candenas, Luz·2009·Reproductive Biology and Endocrinology

Abstract

Background: In the mouse uterus, pregnancy is accompanied by changes in tachykinin and tachykinin receptor gene expression and in the uterotonic effects of endogenous tachykinins. In this study we have investigated whether changes in tachykinin expression and responses are a result of changes in ovarian steroid levels. Methods: We quantified the mRNAs of tachykinins and tachykinin receptors in uteri from ovariectomized mice and studied their regulation in response to estrogen and progesterone using real-time quantitative RT-PCR. Early (3 h) and late (24 h) responses to estrogen were evaluated and the participation of the estrogen receptors (ER), ERalpha and ERbeta, was analyzed by treating mice with propylpyrazole triol, a selective ERalpha agonist, or diarylpropionitrile, a selective agonist of ERbeta. Results: All genes encoding tachykinins (Tac1, Tac2 and Tac4) and tachykinin receptors (Tacr1, Tacr2 and Tacr3) were expressed in uteri from ovariectomized mice. Estrogen increased Tac1 and Tacr1 mRNA after 3 h and decreased Tac1 and Tac4 expression after 24 h. Tac2 and Tacr3 mRNA levels were decreased by estrogen at both 3 and 24 h. Most effects of estrogen were also observed in animals treated with propylpyrazole triol. Progesterone treatment increased the levels of Tac2. Conclusion: These results show that the expression of tachykinins and their receptors in the mouse uterus is tightly and differentially regulated by ovarian steroids. Estrogen effects are mainly mediated by ERalpha supporting an essential role for this estrogen receptor in the regulation of the tachykinergic system in the mouse uterus.

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Authors
Pinto, F. M., Pintado, C. O., Pennefather, J. N., Patak, E., & Candenas, L.
Affiliations
  • Consejo Superior de Investigaciones Científicas (ES)
  • Universidad de Sevilla (ES)
  • Monash University (AU)
  • Royal Women's Hospital (AU)
Corresponding author
Candenas, Luz
Venue
Reproductive Biology and Endocrinology
Published
2009-07-23
Volume
7
Issue
1
Pages
77-77
ISSN
1477-7827 (ISSN-L)
OpenAlex
W2136380625
Cited by
29
References
46
Citations by year
2026: 1 · 2025: 1 · 2023: 2 · 2022: 3 · 2020: 2 · 2019: 4 · 2018: 1 · 2017: 1 · 2016: 1 · 2015: 1 · 2014: 3 · 2013: 3 · 2012: 2
FWCI
0.83
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Reproductive Biology and Endocrinology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
Junta de Andalucía
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
  • Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
Keywords
tachykinins, tachykinin receptors, ovarian steroids, estrogen, progesterone, uterus, estrogen receptor alpha, estrogen receptor beta, TAC1, neurokinin-1 receptor, TACR3, ovariectomy, pregnancy, gene expression regulation, propyl pyrazole triol, diarylpropionitrile
MeSH terms
Animals, Estradiol, Female, Nitriles, Ovary, Phenols, Progesterone, Propionates, Pyrazoles, Uterus, Tachykinins, Gene Expression, Receptors, Tachykinin, Estrogen Receptor alpha, Mice

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