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Sex specific expression of progesterone receptor in mouse lower urinary tract

In English

Författare

  • S Savolainen
  • R Santti
  • T Streng
  • J-A Gustafsson
  • Pirkko Härkönen
  • S Makela

Summary, in English

Progesterone receptor (PR) was investigated immunohistochemically in the lower urinary tract of the male and female mouse. Estrogen receptor (ER)-subtype-deficient mice (ERKO, BERKO) were used to determine the possible regulation of PR expression in an ER-subtype-specific manner.



PR was found to be co-expressed with ERgreek small letter alpha in cell nuclei of urothelium, lamina propria fibroblasts and smooth muscle cells in the female urethra. Only few PR positive cells were seen in female ERKO mice. Ovariectomy reduced and estrogen treatment restored the urethral PR expression in female wild type and BERKO mice. Thus, the expression of PR in the female urethra is estrogen-inducible via ERgreek small letter alpha. In male urethra, PR was co-expressed with ERβ in the rhabdosphincter. In male, no evidence was obtained for the ER-linked control of the PR expression. No PR-positive cells were observed in the body of the bladder of either sex or any strain.

Publiceringsår

2005

Språk

Engelska

Sidor

17-21

Publikation/Tidskrift/Serie

Molecular and Cellular Endocrinology

Volym

230

Issue

1-2

Dokumenttyp

Artikel i tidskrift

Förlag

Elsevier

Ämne

  • Endocrinology and Diabetes

Nyckelord

  • Progesterone receptor
  • Urinary tract
  • Estrogen receptor null mice

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1872-8057