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      Do Birth Variable Data Predict Melatonin Production in 8- to 9-Year-Old Children? Analysis of Excreted 6-Sulfatoxymelatonin

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          Abstract

          Hypotheses: A cross-sectional study on urinary excretion of 6-sulfatoxymelatonin (aMT.6S) in young adults suggests a relation between melatonin production and body size at birth. As individual melatonin production remains stable during childhood and adolescence, this melatonin-birth size relation should also exist in children. Methods: Daily urinary output of aMT.6S of 147 healthy white children (78 boys, 69 girls), 8 or 9 years of age, was quantified by ELISA and related to birth variable data. Results: Contrary to expectation, aMT.6S output was not related to the ponderal index at birth but a moderate positive association with body mass index at the age of 8–9 years was seen. Conclusion: This study in children contradicts previous findings in adults. As no obvious reason can be identified for this discrepancy, further research (particularly a longitudinal study) is recommended to clarify whether birth variable data may predict melatonin production in certain circumstances during or after puberty.

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          Alterations in nocturnal serum melatonin levels in humans with growth and aging.

          B Gisinger, K M Waldhauser, F Waldhauser … (1988)
          The available data on potential alterations in serum melatonin (MLT) levels during a human lifetime are fragmentary and inconsistent. We, therefore, measured day- and nighttime serum MLT concentrations in 367 subjects (210 males and 157 females), aged 3 days to 90 yr. Blood samples were collected between 0730 and 1000 h and between 2300 and 0100 h. Serum MLT levels were measured by RIA. The mean nighttime serum MLT concentration was low during the first 6 months of life, i.e. 27.3 +/- 5.4 (+/- SE) pg/mL (0.12 +/- 0.02 nmol/L). It then increased to a peak value at 1-3 yr of age [329.5 +/- 42.0 pg/mL; (1.43 +/- 0.18 nmol/L)], and it was considerably lower [62.5 +/- 9.0 pg/mL; (0.27 +/- 0.04 nmol/L)] in individuals aged 15-20 yr. During the following decades serum MLT declined moderately until old age (70-90 yr of age), i.e. 29.2 +/- 6.1 pg/mL (0.13 +/- 0.03 nmol/L). This biphasic MLT decline follows 2 exponential functions with different slopes (from age 1-20 yr: r = -0.56; P less than 0.001; y = 278.7 X e -0.09x; from age 20-90 yr: r = -0.44; P less than 0.001; y = 84.8 X e -0.017x). The decrease in nocturnal serum MLT in children and adolescents (1-20 yr) correlated with the increase in body weight (r = -0.54; P less than 0.001) and body surface area (r = -0.71; P less than 0.001). At a later age (20-90 yr) there was no correlation among these variables. Daytime serum MLT levels were low and no age-related alterations were found. This study revealed major age-related alterations in nocturnal serum MLT levels. The negative correlation between serum MLT and body weight in childhood and adolescence is evidence that expansion of body size is responsible for the huge MLT decrease during that period. The moderate decline at older ages must derive from other factors.
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            Melatonin and the pineal gland: influence on mammalian seasonal and circadian physiology

            J Arendt (1998)
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              Elevated Plasma Cortisol Concentrations: A Link between Low Birth Weight and the Insulin Resistance Syndrome?

              D Phillips (1998)
              Article 0 comments Cited 30 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (publisher-id): HRE
                Journal ID (nlm-ta): Horm Res Paediatr
                Journal ID (doi): 10.1159/issn.1663-2818
                Title: Hormone Research in Paediatrics
                Publisher: S. Karger AG
                ISSN (Print): 1663-2818
                ISSN (Electronic): 1663-2826
                Publication date Subscription-year: 2004
                Publication date (Print): September 2004
                Publication date (Electronic): 10 September 2004
                Volume: 62
                Issue: 3
                Pages: 156-160
                Affiliations
                aInstitute for Occupational Physiology at Dortmund University and bResearch Institute of Child Nutrition Dortmund, Dortmund, Germany
                Article
                Publisher ID: 80072 Other ID: Horm Res 2004;62:156–160
                DOI: 10.1159/000080072
                PubMed ID: 15297804
                SO-VID: 9cbeaee6-fc40-4df2-846e-f250d3ee8c5c
                Copyright © © 2004 S. Karger AG, Basel
                License:

                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
                Date received : 09 March 2004
                Date accepted : 11 June 2004
                Page count
                Tables: 2, References: 20, Pages: 5
                Categories
                Subject: Original Paper

                ScienceOpen disciplines: Endocrinology & Diabetes,Neurology,Nutrition & Dietetics,Sexual medicine,Internal medicine,Pharmacology & Pharmaceutical medicine
                Keywords: Birth variable data,Actual body size,Children, melatonin excretion,6-Sulfatoxymelatonin excretion
                Data availability:
                ScienceOpen disciplines: Endocrinology & Diabetes, Neurology, Nutrition & Dietetics, Sexual medicine, Internal medicine, Pharmacology & Pharmaceutical medicine
                Keywords: Birth variable data, Actual body size, Children, melatonin excretion, 6-Sulfatoxymelatonin excretion

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