Cited by 34Mast cells and histamineGastrointestinal motility and disordersNeuropeptides and Animal Physiology

Effect of ovarian hormones on intestinal mast cell reactivity to Substance P

Bradesi, S., Eutamene, H., Theodorou, V., Fioramonti, J., Bueno, L.·2001·Life Sciences

Abstract

Evidence exists to support the concept that ovarian hormones influence mast cell functioning and related events. Here, we evaluated the constitutive gender difference and the influence of ovarian status on rat mast cell (MC) distribution in jejunum and colon, histamine synthesis and/or its release elicited by Substance P (SP). Higher mast cell (MC) number and histamine release were found in female compared with male. In female rats, hormonal status did not affect the density of resident MC neither in the jejunum nor in the colon. Interestingly, histamine levels released after SP stimulation of jejunal segment was reduced in ovariectomized (OVX) compared with sham OVX rats, and restored in OVX female receiving progesterone. In the colon, OVX resulted in a significant increase in histamine levels released after SP stimulation and a treatment with progesterone did not restore basal histamine levels. Thus, ovarian steroid hormones do not affect jejunal and colonic mast cell number. However, the hormonal status differently influences jejunal and colonic MC sensitivity to SP.

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Crossref · 10.1016/s0024-3205(00)01008-0

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Authors
Bradesi, S., Eutamene, H., Theodorou, V., Fioramonti, J., & Bueno, L.
Affiliations
  • Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (FR)
  • Institut National de la Recherche Agronomique (FR)
Corresponding author
Bueno, L.
Venue
Life Sciences
Publisher
Elsevier BV
Published
2001-01
Volume
68
Issue
9
Pages
1047-1056
ISSN
0024-3205 (ISSN-L)
OpenAlex
W2056790276
Cited by
34
References
0
Citations by year
2026: 1 · 2025: 1 · 2022: 1 · 2020: 1 · 2018: 1 · 2016: 5 · 2015: 3 · 2014: 2 · 2013: 1
FWCI
0.32
Type
journal article
Language
en
Open access
closed
Locations
  • Life Sciences (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Mast cells and histamine
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
Keywords
ovarian hormones, mast cells, substance P, histamine release, histamine synthesis, ovariectomy, progesterone, sex differences, jejunum, colon
MeSH terms
Animals, Cell Count, Colon, Female, Histamine, Histamine Release, Intestinal Mucosa, Jejunum, Male, Mast Cells, Ovariectomy, Ovary, Progesterone, Sex Characteristics, Gonadal Steroid Hormones, Substance P, Rats, Wistar, Rats

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