Influence of genetic background on fluoride metabolism in mice

J. G. Carvalho, A. L. Leite, D. Yan, E. T. Everett, Gary M. Whitford, M. A.R. Buzalaf

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

A/J and 129P3/J mouse strains have different susceptibilities to dental fluorosis, due to their genetic backgrounds. This study tested whether these differences are due to variations in water intake and/ or F metabolism. A/J (susceptible to dental fluorosis) and 129P3/J mice (resistant) received drinking water containing 0, 10, or 50 ppm F. Weekly F intake, excretion and retention, and terminal plasma and femur F levels were determined. Dental fluorosis was evaluated clinically and by quantitative fluorescence (QF). Data were tested by two-way ANOVA. Although F intakes by the strains were similar, excretion by A/J mice was significantly higher due to greater urinary F excretion, which resulted in lower plasma and femur F levels. Compared with 129P3/J mice given 50 ppm F, significantly higher QF scores were recorded for A/J mice. In conclusion, these strains differ with respect to several features of F metabolism, and amelogenesis in the 129P3/J strain seems to be unaffected by high F exposure.

Original languageEnglish (US)
Pages (from-to)1054-1058
Number of pages5
JournalJournal of Dental Research
Volume88
Issue number11
DOIs
StatePublished - Nov 1 2009

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Fluorides
Dental Fluorosis
Femur
Amelogenesis
Fluorescence
Drinking Water
Drinking
Analysis of Variance
Genetic Background

Keywords

  • Bone
  • Dental fluorosis
  • Fluoride metabolism
  • Genetic susceptibility/resistance
  • Inbred mouse strains

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Carvalho, J. G., Leite, A. L., Yan, D., Everett, E. T., Whitford, G. M., & Buzalaf, M. A. R. (2009). Influence of genetic background on fluoride metabolism in mice. Journal of Dental Research, 88(11), 1054-1058. https://doi.org/10.1177/0022034509347249

Influence of genetic background on fluoride metabolism in mice. / Carvalho, J. G.; Leite, A. L.; Yan, D.; Everett, E. T.; Whitford, Gary M.; Buzalaf, M. A.R.

In: Journal of Dental Research, Vol. 88, No. 11, 01.11.2009, p. 1054-1058.

Research output: Contribution to journalArticle

Carvalho, JG, Leite, AL, Yan, D, Everett, ET, Whitford, GM & Buzalaf, MAR 2009, 'Influence of genetic background on fluoride metabolism in mice', Journal of Dental Research, vol. 88, no. 11, pp. 1054-1058. https://doi.org/10.1177/0022034509347249
Carvalho, J. G. ; Leite, A. L. ; Yan, D. ; Everett, E. T. ; Whitford, Gary M. ; Buzalaf, M. A.R. / Influence of genetic background on fluoride metabolism in mice. In: Journal of Dental Research. 2009 ; Vol. 88, No. 11. pp. 1054-1058.
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