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      Effects of Estrogen, Pituitary Gonadotropins and Prolactin on Immunohistochemical Localization of Inhibin Subunits in the Ovary of Hypophysectomized Female Rats

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      , , ,
      Hormone Research in Paediatrics
      S. Karger AG
      Immunohistochemistry, Ovary, Inhibin, Female rat

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          Abstract

          Effects of estrogen, pituitary gonadotropins and prolactin on immunohistochemical localization of α- and β<sub>A</sub>-subunits in the ovaries of hypophysectomized female rats were investigated. Hypophysectomy resulted in disappearance of immunoreactive inhibin subunits in the ovary. Administration of DES, FSH and LH to hypophysectomized rats provoked growth of follicles, and resulted in positive immunostaining for inhibin subunits in the granulosa cells. In contrast to follicle-stimulating hormone (FSH) and luteinizing hormone (LH), prolactin administration failed to demonstrate positive staining for inhibin subunits in the ovary. The present in vivo results suggest that several hormones which are known to stimulate granulosa cell growth and maturation, such as estrogen, FSH and LH, enhance inhibin subunit production by the overy. The morphologic aspect of inhibin subunit production by the ovary in response to several hormones has been demonstrated in the present study.

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          Author and article information

          Journal
          HRE
          Horm Res Paediatr
          10.1159/issn.1663-2818
          Hormone Research in Paediatrics
          S. Karger AG
          1663-2818
          1663-2826
          1992
          1992
          03 December 2008
          : 37
          : 3
          : 107-112
          Affiliations
          Department of Obstetrics and Gynecology, Wakayama Medical College, Wakayama, Japan
          Article
          182292 Horm Res 1992;37:107–112
          10.1159/000182292
          1478625
          846d26d1-a2b2-41cb-bb53-9ba3e4e36ea8
          © 1992 S. Karger AG, Basel

          Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

          History
          : 28 October 1991
          : 10 April 1992
          Page count
          Pages: 6
          Categories
          Original Paper

          Endocrinology & Diabetes,Neurology,Nutrition & Dietetics,Sexual medicine,Internal medicine,Pharmacology & Pharmaceutical medicine
          Immunohistochemistry,Inhibin,Ovary,Female rat

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