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Title: Are vitamins A and D important in the development of food allergy and how are they best measured?
Austin Authors: Zakariaeeabkoo, Rosita;Allen, Katrina J;Koplin, Jennifer J;Vuillermin, Peter;Greaves, Ronda F
Affiliation: Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
Clinical Biochemistry, Austin Pathology, Heidelberg, Victoria, Australia
School of Medical Sciences, RMIT University, Bundoora, Victoria, Australia
Deakin University, Geelong, Victoria, Australia
Murdoch Children's Research Institute, Parkville, Victoria, Australia
Child Health Research Unit, Barwon Health, Geelong, Australia
Department of Allergy and Clinical Immunology, Royal Children's Hospital, Parkville, Victoria, Australia
Issue Date: 19-Feb-2014
Publication information: Clinical Biochemistry 2014; 47(9): 804-11
Abstract: Food allergy has a dramatic impact on a child's (and their family's) quality of life and places a major financial burden on the community. It has been hypothesized that the increase in food allergy may relate to the concordant rise in prevalence of vitamin D insufficiency. More recently a second hypothesis has implicated vitamin A sufficiency in the development of immune tolerance. Together, these hypotheses have prompted investigation into the circulating levels of vitamins A and D in relation to food allergy prevalence. This review aims to examine the relationship between vitamins A and D and food allergy. The first part of this review presents the available epidemiological data which proposes a dramatic increase of food allergy and related anaphylaxis during the last two decades. There is some indirect evidence that variation in food allergy prevalence within countries might be linked with ambient ultra violet radiation exposure and thus potentially with vitamin D levels. Only a few studies to date have directly examined the relationship between measured serum vitamin D levels and either food sensitization or allergy. The significance of vitamin A in food allergy prevalence is only provided through a hypothetical association due to its role in the immune system. The second part of this review discusses the relevant aspects of the analytical methods to assess vitamin A and D levels in children. The primary methods utilized relate to measuring the main circulating forms of vitamins A and D in blood i.e. retinol and 25-hydroxy-vitamin-D3 respectively. Chromatographic separation coupled with mass spectrometric detection is considered the gold standard method for both vitamins. These analytical methods should be fully validated for the use in pediatric populations to ensure they are fit for their clinical purpose.
Gov't Doc #: 24561280
DOI: 10.1016/j.clinbiochem.2014.01.033
Type: Journal Article
Subjects: Allergy
Mass spectrometry
Blood Chemical Analysis
Food Hypersensitivity.blood.etiology
Risk Factors
Tandem Mass Spectrometry
Vitamin A.blood
Vitamin D.blood
Appears in Collections:Journal articles

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