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Vet Q. 2013;33(1):2-6. doi: 10.1080/01652176.2012.758395. Epub 2013 Jan 17.

Plasma and skin vitamin E concentrations in canine atopic dermatitis.

Author information

1
GlaxoSmithKline, Ljubljana, Slovenia.

Erratum in

  • Vet Q. 2013;33(1):iii.

Abstract

BACKGROUND:

Altered homeostasis of vitamin E has been demonstrated in human atopic dermatitis. Data on plasma and skin vitamin E concentrations in canine atopic dermatitis (CAD) are not available.

OBJECTIVE:

To determine vitamin E concentrations in plasma and skin of atopic dogs.

ANIMALS AND METHODS:

Vitamin E concentrations in plasma and full-thickness skin biopsies of 15 atopic dogs were related to CAD extent and severity index (CADESI-03) scores and compared to the equivalent concentrations in 17 healthy dogs. Statistically significant differences of measured parameters between the two groups were determined by the nonparametric Mann Whitney U test and correlations between CADESI-03 scores and vitamin E concentrations were evaluated by the Spearman rank test. A value of P < 0.05 was considered significant.

RESULTS:

Plasma concentrations of vitamin E were significantly lower in atopic dogs than in healthy dogs, with median values of 29.8 and 52.9 μmol/L, respectively. Skin vitamin E values did not differ significantly between patients and healthy controls. The median concentration of skin vitamin E in atopic dogs was higher than that in healthy dogs. No significant correlations were found between CADESI-03 score and plasma vitamin E or skin vitamin E concentrations.

CONCLUSIONS:

Significantly lower plasma vitamin E concentrations in atopic dogs than in healthy controls indicate altered homeostasis of vitamin E in CAD.

CLINICAL IMPORTANCE:

Further investigation into vitamin E supplementation in CAD is warranted.

PMID:
23323961
DOI:
10.1080/01652176.2012.758395
[Indexed for MEDLINE]

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