Expression of Androgen, Oestrogen α and β, and Progesterone Receptors in the Canine Prostate: Differences between Normal, Inflamed, Hyperplastic and Neoplastic Glands

F. Gallardo, T. Mogas, T. Baró, R. Rabanal, J. Morote, M. Abal, J. Reventós, J. Lloreta

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22 Citations (Scopus)

Abstract

The expression of receptor for androgen (AR), oestrogen α and β (ERα and ERβ) and progesterone (PR) was examined immunohistochemically in canine prostate specimens (normal, hyperplastic, inflamed [prostatitis] or neoplastic). AR immunolabelling was seen in 100% of epithelial cells of normal and hyperplastic tissue, the corresponding figures for inflamed and carcinomatous tissue being 74% and 65%, respectively. ERα labelling was seen in 85% of epithelial cells in normal prostate glands, the corresponding figures for hyperplastic, inflamed and neoplastic glands being 35%, 22% and 12%, respectively. ERβ labelling was seen in 85% of epithelial cells of normal glands and in about 70% of such cells in glands showing pathological changes. On the other hand, PR expression (weak) in normal glands was observed in fewer epithelial cells (44%) than in hyperplastic (70%), inflamed (62%) or neoplastic (64%) glands. © 2006 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)1-8
JournalJournal of Comparative Pathology
Volume136
DOIs
Publication statusPublished - 1 Jan 2007

Keywords

  • carcinoma
  • dog
  • hyperplasia
  • prostate
  • steroid receptors
  • tumour

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