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Serum ferritin and transferrin receptor concentrations during the transition from adolescence to adulthood in a healthy Swedish population.
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2003 (English)In: Acta Paediatrica, ISSN 0803-5253, E-ISSN 1651-2227, Vol. 92, no 1, p. 5-11Article in journal (Refereed) Published
Abstract [en]

AIM: As part of a longitudinal nutrition study of adolescents, changes in serum ferritin (s-Ft), serum transferrin receptors (s-TfR) and the TfR/Ft ratio from 15 to 21 y of age were studied in randomly selected Swedish adolescents.

METHODS: Blood samples from 60 males and 66 females were drawn at 15, 17 and 21 y of age.

RESULTS: In males, median s-Ft increased significantly from 33 microg l(-1) at 15 y to 96 microg l(-1) at 21 y, and in females, after a non-significant decrease at 17 y, from 27 at 15 y to 34 microg l(-1) at 21 y. Between 15 and 17 y, s-TfR increased significantly, in males from 5.9 to 7.7 microg l(-1), and in females from 5.2 to 7.6 microg l(-1), whereas s-TfR decreased significantly in both genders between 17 and 21 y. The log (TfR/Ft) ratio did not change in males between 15 and 17 y, but decreased significantly from 2.2 +/- 0.3 to 1.8 +/- 0.3 by the age of 21 y. In females, the TfR/Ft ratio increased significantly between 15 and 17 y, whereas a significant decrease was found by the age of 21 y. S-Ft <12 microg l(-1) at 15, 17 and 21 y was 3, 2 and 2% in males, and in females 18, 26 and 21%, respectively.

CONCLUSION: This study shows an increase in s-Ft and a decline in s-TfR in males, indicating increased iron stores. In females, s-Ft did not increase significantly, whereas s-TfR and the TfR/Ft ratio decreased between 17 and 21 y, indicating that cellular iron needs were met.

Place, publisher, year, edition, pages
2003. Vol. 92, no 1, p. 5-11
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Public Health, Global Health, Social Medicine and Epidemiology
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URN: urn:nbn:se:hv:diva-10872PubMedID: 12650291OAI: oai:DiVA.org:hv-10872DiVA, id: diva2:1272613
Note

Professor Gösta Samuelson samlade trycksaker; 160

Available from: 2018-12-19 Created: 2018-12-19 Last updated: 2019-03-05Bibliographically approved

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