PMID: 11906571Mar 22, 2002Paper

A low-selenium diet increases thyroxine and decreases 3,5,3'triiodothyronine in the plasma of kittens

Journal of Animal Physiology and Animal Nutrition
S YuQ R Rogers

Abstract

The effect of a low-selenium diet on thyroid hormone metabolism was investigated in growing kittens. Twelve specific-pathogen-free kittens with ages ranging from 16 to 18 weeks were divided into two groups of equal number with equal sex distribution in each group. One group was fed a yeast-based low-selenium diet (0.02 mg Se/kg diet) while the other group was fed the same diet supplemented with Na2SeO3 at 0.4 mg Se/kg diet for 8 weeks. Food intake, body weight and body weight gain were not affected by the low-Se diet during the study period. However, kittens given the low-Se diet had significantly reduced plasma selenium concentration and glutathione peroxidase activity. Plasma total thyroxine (T4) increased and total 3,5,3'triiodothyronine (T3) decreased significantly in kittens fed the low-Se diet at the end of the study. These results suggest that type I deiodinase in cats is a selenoprotein- or a selenium-dependent enzyme.

Citations

Sep 1, 2005·Thyroid : Official Journal of the American Thyroid Association·Josef Köhrle
Jan 21, 2016·BMC Veterinary Research·Mariëlle van ZelstGeert P J Janssens
Jul 30, 2008·Journal of Animal Physiology and Animal Nutrition·C Jensen, J Pallauf
Nov 5, 2014·Journal of Feline Medicine and Surgery·Ingrid van HoekVincent Biourge
Oct 23, 2012·Journal of Feline Medicine and Surgery·Mark Peterson
Apr 5, 2016·PloS One·Mariëlle van ZelstGeert P J Janssens

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