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      The role of selenium in iodine metabolism in children with goiter.

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          Abstract

          Possible interactions between selenium and iodine metabolism were investigated in 7- to 16-year-old children with goiter (n = 136) living in southeastern Poland in iodine-deficient areas influenced by a sulfur industry. The Se-iodine interactions in these children were compared to the interactions in children from outside of that region (n = 38). Blood selenium (BSe) concentration and plasma glutathione peroxidase activity were much lower in the study group (64.1 +/- 15.7 microg/L; 111.0 +/- 27.6 U/L) than in the control group (85.3 +/- 19.6 microg/L; 182.4 +/- 35.6 U/L). Almost all of the data [plasma thyroid-stimulating hormone (TSH) concentration, plasma free thyroxine (fT(4)) concentration] fell within the reference limits. There was no statistically significant difference between the control and the study groups with respect to fT(4) and TSH. However, statistically significant differences of fT(4) and TSH in the study group were revealed between females belonging to the lower (n = 21; fT(4), 16.1 +/- 3.3 pmol/L; TSH, 1.83 +/- 1.05 mU/L) and upper Se quartiles (n = 24; fT(4), 14.5 +/- 2.2 pmol/L; TSH, 1. 26 +/- 0.90 mU/L), p < 0.05. Neither group differed in iodine in urine concentration, age, and body mass index. The difference in fT(4) concentrations can be attributed to an Se deficiency. The relationship exists only for females, which suggests a sex-linked hormonal response to concomitant Se and iodine deficiencies.

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          Author and article information

          Journal
          Environ Health Perspect
          Environmental Health Perspectives
          0091-6765
          January 2000
          : 108
          : 1
          : 67-71
          Affiliations
          Department of Food Chemistry and Nutrition, Collegium Medicum Jagiellonian University, Cracow, Poland. zagrodzki@bron.ifj.edu.pl
          Article
          sc271_5_1835
          1637847
          10620526
          68adf37b-23ec-4308-884b-92bbdbdf0390
          History
          Categories
          Research Article

          Public health
          Public health

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