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The effect of different types of hepatic injury on the estrogen and androgen receptor activity of liver

Kahn, D and Zeng, Q and Kajani, M and Eagon, PK and Lai, H and Makowka, L and Starzl, TE and Van Thiel, DH (1989) The effect of different types of hepatic injury on the estrogen and androgen receptor activity of liver. Journal of Investigative Surgery, 2 (2). 125 - 133. ISSN 0894-1939

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Abstract

Mammalian liver contains receptors for both estrogens and androgens. Hepatic regeneration after partial hepatectomy in male rats is associated with a loss of certain male-specific hepatic characteristics. In this study we investigated the effects of lesser forms of hepatic injury on the levels of estrogen and androgen receptor activity in the liver. Adult male rats were subjected to portacaval shunt, partial portal vein ligation, hepatic artery ligation, or two-thirds partial hepatectomy. Another group of animals was treated with cyclosporine. At the time of sacrifice the livers were removed and used to determine the estrogen and androgen receptor activity in the hepatic cytosol. A significant reduction (p < 0.05) in the hepatic cytosolic androgen receptor activity and a slight increase in the estrogen receptor activity occurred following total portosystemic shunting. Partial ligation of the portal vein, which produces a lesser degree of portosystemic shunting, had no effect on the levels of the estrogen and androgen receptor activity present within hepatic cytosol. Cyclosporine-treated animals had significantly greater (p < 0.01) levels of estrogen receptor activity in the hepatic cytosol compared to vehicle-treated control animals. Levels of estrogen and androgen receptor activity within the hepatic cytosol remained unchanged after ligation of the hepatic artery. The reduction in the cytosolic estrogen and androgen receptor activity in the liver after partial hepatectomy was confirmed. In summary, certain types of hepatic injury are associated with profound changes in the estrogen and androgen receptor content within the liver. © 1989 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted.

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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Kahn, D
Zeng, Q
Kajani, M
Eagon, PK
Lai, H
Makowka, L
Starzl, TEtes11@pitt.eduTES11
Van Thiel, DH
Centers: Other Centers, Institutes, Offices, or Units > Thomas E. Starzl Transplantation Institute
Date: 1 January 1989
Date Type: Publication
Journal or Publication Title: Journal of Investigative Surgery
Volume: 2
Number: 2
Page Range: 125 - 133
DOI or Unique Handle: 10.3109/08941938909015344
Institution: University of Pittsburgh
Refereed: Yes
ISSN: 0894-1939
Other ID: uls-drl:31735062110592, Starzl CV No. 1018
Date Deposited: 08 Apr 2010 17:17
Last Modified: 02 Feb 2019 13:55
URI: http://d-scholarship.pitt.edu/id/eprint/4404

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