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Cited by 344

The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.

Relative Potencies and Additivity of Perchlorate, Thiocyanate, Nitrate, and Iodide on the Inhibition of Radioactive Iodide Uptake by the Human Sodium Iodide Symporter

Tonacchera, Massimo, Pinchera, Aldo, Dimida, Antonio, Ferrarini, Eleonora, Agretti, Patrizia, Vitti, Paolo, Santini, Ferruccio, Crump, Kenny, Gibbs, John·2004·Thyroid
DOI 10.1089/thy.2004.14.1012
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Abstract

The presence of perchlorate (ClO(4) (-)) in some U.S. drinking water supplies has raised concern about potential adverse thyroidal health effects, because ClO(4) (-) is known to competitively inhibit iodide uptake at the sodium iodide symporter (NIS). Humans are nutritionally and environmentally exposed to other competitive inhibitors of iodide uptake, including thiocyanate (SCN(-)) and nitrate (NO(3) (-)). The joint inhibiting effects of these three anions was studied by exposing Chinese hamster ovary cells stably expressing human NIS to varying concentrations of each anion separately, and in combination, and conducting measurements of (125)I(-) uptake. The entire data set was fit to a single Hill equation using maximum likelihood. The relative potency of ClO(4) (-) to inhibit (125)I(-) uptake at the NIS was found to be 15, 30 and 240 times that of SCN(-), I(-), and NO(3) (-) respectively on a molar concentration basis, with no evidence of synergism. These results are consistent with a common mode of action by these anions of simple competitive interaction, in which a concentration of any one of ClO(4) (-) SCN(-), and NO(3) (-), occurring either individually or as part of a mixture of the three anions, is indistinguishable from a concentration or dilution of either one of the remaining two ions in inhibiting iodine uptake at the NIS.

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Metadata

Authors
Tonacchera, M., Pinchera, A., Dimida, A., Ferrarini, E., Agretti, P., Vitti, P., Santini, F., Crump, K., & Gibbs, J.
Venue
Thyroid
Publisher
SAGE Publications
Published
2004-12
Volume
14
Issue
12
Pages
1012-1019
ISSN
  • 1050-7256 (ISSN-L)
  • 1557-9077
DOI
10.1089/thy.2004.14.1012
OpenAlex
W2068424371
Cited by
344
References
29
FWCI
8.54
Type
journal article
Language
en
Open access
closed

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