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      Serum Leptin in Short Children Born Small for Gestational Age: Dose-Dependent Effect of Growth Hormone Treatment

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          Abstract

          Objective: To study the effects of different regimens of growth hormone (GH) treatment on serum leptin levels in 78 short prepubertal children born small for gestational age (SGA). Methods: The children were originally included in two independent multicenter trials, one in Belgium and one in the Nordic countries. SGA children were randomized either to remain untreated or to be treated with GH at a daily dose of 0.1, 0.2 or 0.3 IU/kg for 2 years. Thereafter, treatment was continued for another 2 years in the Nordic children, whereas it was discontinued in the Belgian children. Results: In the GH treatment groups, a significant dose-dependent decrease in leptin levels was found during the first year of therapy, with a mean decrease of 13, 23 and 32% in the groups receiving GH at 0.1, 0.2 and 0.3 IU/kg, respectively. When high-dose treatment was interrupted, serum leptin increased within 1 year to pretreatment levels. Conclusion: Serum leptin levels in short children born SGA are transiently reduced by GH treatment in a dose-dependent fashion. The most pronounced changes in serum leptin were documented within the first year after initiation and withdrawal of high-dose GH treatment.

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          Most cited references 6

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          Design and synthesis of multi-haem proteins.

          A water-soluble, 62-residue, di-alpha-helical peptide has been synthesized which accommodates two bis-histidyl haem groups. The peptide assembles into a four-helix dimer with 2-fold symmetry and four parallel haems that closely resemble native haems in their spectral and electrochemical properties, including haem-haem redox interaction. This protein is an essential intermediate in the synthesis of molecular 'maquettes', a novel class of simplified versions of the metalloproteins involved in redox catalysis and in energy conversion in respiratory and photosynthetic electron transfer.
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            Growth Hormone Treatment in Children with Short Stature Born Small for Gestational Age: 5-Year Results of a Randomized, Double-Blind, Dose-Response Trial

             T. Sas (1999)
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              Spontaneous 24-hour growth hormone profiles in prepubertal small for gestational age children

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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
                2000
                2000
                21 April 2001
                : 54
                : 3
                : 120-125
                Affiliations
                aInternational Pediatric Growth Research Center, Department of Pediatrics, University of Göteborg, Göteborg, Sweden; bPediatric Endocrinology Unit, Department of Pediatrics, Federal University of Paraná, Curitiba, Brazil; cDepartment of Pediatrics, University of Leuven, Leuven, Belgium
                Article
                53244 Horm Res 2000;54:120–125
                10.1159/000053244
                11357004
                © 2001 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.

                Page count
                Figures: 2, Tables: 1, References: 33, Pages: 6
                Categories
                Original Paper

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