Cited by 54Gastrointestinal motility and disordersPain Mechanisms and TreatmentsNeuropeptides and Animal Physiology

Stress-induced visceral hypersensitivity in female rats is estrogen-dependent and involves tachykinin NK1 receptors

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Bradesi, Sylvie, Eutamene, Helene, Garcia-Villar, Rafael, Fioramonti, Jean, Bueno, Lionel·2003·Pain

Abstract

Hormonal cycling may be related to a higher incidence of pain syndrome in female. As tachykinins are pivotal in stress-induced colonic dysfunction, we investigated whether ovarian steroids influence stress-induced visceral hypersensitivity to rectal distension (RD) in female rats and further, whether this influence involves NK1 receptors. Female Wistar rats, either intact or ovariectomized (OVX), were equipped for abdominal muscle electromyography and submitted to 2-h partial restraint stress (PRS) or sham-PRS. First, the effect of PRS was evaluated in intact rats. Second, abdominal response to RD was recorded in OVX rats treated with either, progesterone, 17beta-estradiol, 17beta-estradiol-plus-progesterone, or vehicle, in both basal and PRS conditions. Third, the NK1 receptor-antagonist, SR140333, was tested in PRS-intact and PRS-OVX rats under 17beta-estradiol or 17beta-estradiol-plus-progesterone treatment. PRS induced visceral hypersensitivity to RD and this effect was prevented by ovariectomy. OVX rats treated with 17beta-estradiol or 17beta-estradiol-plus-progesterone, but not progesterone alone, exhibited visceral hypersensitivity after PRS similar to that of intact rats. Both stress-induced visceral hypersensitivity in intact rats and the hormonally-restored visceral hyper-responsiveness of OVX rats were antagonized by SR140333. It is concluded, therefore, that stress-induced visceral hypersensitivity in female rats is estrogens-dependent and mediated through NK1 receptor activation.

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  • NK1R antagonism can mitigate alterations in the brain induced by chronic psychological stress, which is associated with visceral hypersensitivity and spinal NK1R up-regulation in female rodents and possibly in mice with induced endometriosis.

    “Aside from delaying fibrogenesis, NK1R antagonism can also mitigate alterations in the brain induced by chronic psychological stress99–101, which is associated with visceral hypersensitivity and spinal NK1R up-regulation in female rodents102,103 and possibly in mouse with induced endometriosis as well104–106.”

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Research works printed but not linked: 3

  1. Duval P, Lenoir V, Moussaoui S, Garret C, Kerdelhue B. Substance P and neurokinin A variations throughout the rat estrous cycle; comparison with ovariectomized and male rats: II. Trigeminał nucleus and cervical spinal cord. J Neurosci Res 1996;45:610–616.
  2. Portbury AL, Furness JB, Young HM, Southwell BR, Vigna SR, Localisation of NK1 receptor immunoreactivity to neurons and interstitial cells of the guinea-pig gastrointestinal tract. J Comp Neurol 1996;367:342– 351.
  3. Rollman GB, Culture and pain. Cultural clinical psychology, New York; Oxford University Press, 1998. pp. 267–286.

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Authors
Bradesi, S., Eutamene, H., Garcia-Villar, R., Fioramonti, J., & Bueno, L.
Affiliations
Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (FR)
Corresponding author
Bueno, Lionel
Venue
Pain
Published
2003-04
Volume
102
Issue
3
Pages
227-234
ISSN
0304-3959 (ISSN-L)
OpenAlex
W2023884230
Cited by
54
References
54
Citations by year
2024: 1 · 2023: 2 · 2022: 2 · 2021: 3 · 2019: 2 · 2018: 1 · 2016: 4 · 2015: 3 · 2014: 2 · 2013: 2
FWCI
3.42
Type
journal article
Language
en
Open access
Licence
cc-by-sa
Locations
  • Pain (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, cc-by-sa)
Topics
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
  • Health Sciences › Medicine › Physiology › Pain Mechanisms and Treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
Keywords
visceral pain, estrogen dependence, tachykinin NK1 receptor, ovarian steroids, estradiol, progesterone, ovariectomy, rectal distension, SR140333, female rats
MeSH terms
Abdominal Muscles, Animals, Estrogens, Female, Ovariectomy, Pain Measurement, Physical Stimulation, Restraint, Physical, Stress, Physiological, Rats, Wistar, Visceral Afferents, Receptors, Neurokinin-1, Rats, Neurokinin-1 Receptor Antagonists

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