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      Regulation of Human Decidual Function by Epidermal Growth Factor

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          Abstract

          In order to clarify a regulatory mechanism of epidermal growth factor (EGF) in the decidualization process, EGF gene expression, the change in EGF receptor, and the cell proliferative effect of EGF in the human endometrium/decidua were assessed in both in vivo and in vitro decidualization systems. Northern blot hybridization showed that, although no hybridized band was found in the proliferative and secretory phase endometria, a specific band of 5 kb was detected in decidua of early pregnancy as well as in in vitro medroxyprogesterone acetate-induced decidual cells. In situ hybridization revealed that prepro-EGF mRNA was observed in the stromal cells of decidua. Scatchard plot analysis of 125I-EGF-binding studies for the homogenates from these endometria/ decidua revealed that its binding sites increased in accordance with the decidualization process, and its dissociation constant remained unchanged. EGF had a stimulatory action on cell proliferation in the early pregnant decidual cells. These results demonstrate that EGF production, EGF receptor, and decidual cell growth increase in accordance with the process of decidualization, suggesting that EGF may play an important role in the regulation of decidualization in human endometrium through an autocrine/paracrine system.

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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
          978-3-8055-6169-3
          978-3-318-01750-2
          1663-2818
          1663-2826
          1995
          1995
          05 December 2008
          : 44
          : Suppl 2
          : 23-29
          Affiliations
          Department of Obstetrics and Gynecology, Yokohama City University School of Medicine, Yokohama, Japan
          Article
          184657 Horm Res 1995;44:23–29
          10.1159/000184657
          7672776
          3a398b76-3bce-4558-99d0-0547a0411d70
          © 1995 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
          Page count
          Pages: 7
          Categories
          Endocrine Regulation of Early Embryonic Development and Implantation

          Endocrinology & Diabetes,Neurology,Nutrition & Dietetics,Sexual medicine,Internal medicine,Pharmacology & Pharmaceutical medicine
          Gene expression,Receptor, EGF,Cell proliferation,Epidermal growth factor,Decidualization

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