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Expression of pepsinogen II with androgen and estrogen receptors in human prostate carcinoma.

Abstract
The expression of pepsinogen II (PG II), an aspartyl proteinase usually involved in the digestion of proteins in the stomach, was immunohistochemically investigated in conjunction with androgen (AR) and estrogen receptor (ER) status in prostate adenocarcinomas. Of a total of 38 samples obtained from radical prostatectomies, 23 tumors (60.5%) were positive for PG II and there was a significant positive correlation to the expression of AR but not to ER. Cells positive for PG II were localized mainly to the peripheral zones of tumorous glands which, in normal prostate, are negative, and in areas also expressing AR. In addition, a significant correlation between AR and ER was detected in the prostate carcinomas examined, which suggests a hormone-dependent status. On the basis of these results, PG II expression might be closely related to hormonal alterations associated with the development of prostate tumors.
AuthorsN Konishi, S Nakaoka, K Matsumoto, M Nakamura, S Kuwashima, Y Hiasa, M Cho, H Uemura, Y Hirao
JournalPathology international (Pathol Int) Vol. 49 Issue 3 Pg. 203-7 (Mar 1999) ISSN: 1320-5463 [Print] Australia
PMID10338074 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Receptors, Androgen
  • Receptors, Estrogen
  • Pepsinogen C
Topics
  • Adenocarcinoma (enzymology, metabolism)
  • Aged
  • Aged, 80 and over
  • Humans
  • Immunohistochemistry
  • Male
  • Middle Aged
  • Pepsinogen C (biosynthesis)
  • Prostatic Neoplasms (enzymology, metabolism)
  • Receptors, Androgen (biosynthesis)
  • Receptors, Estrogen (biosynthesis)

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