Immune modulation by Vitamin D, food allergy, chart of genes – July 2015

Immune Modulation by Vitamin D and Its Relevance to Food Allergy

Nutrients 2015, 7(8), 6088-6108; doi:10.3390/nu7085271
Noor H. A. Suaini 1,2, Yuxia Zhang 3,4, Peter J. Vuillermin 1,5,6, Katrina J. Allen 1,2,7,8, katie.allen at mcri.edu.au and Leonard C. Harrison 3,4
1 Murdoch Childrens Research Institute, The Royal Children's Hospital, Parkville, VIC 3052, Australia
2 Department of Paediatrics, University of Melbourne, Parkville VIC 3052, Australia
3 The Walter and Eliza Hall Institute of Medical Research, Parkville VIC 3052, Australia
4 Department of Medical Biology, University of Melbourne, Parkville, VIC 3052, Australia
5 Child Health Research Unit, Barwon Health, Geelong, VIC 3220, Australia
6 Deakin University, Geelong, VIC 3220, Australia
7 Department of Allergy and Immunology, The Royal Children's Hospital, Parkville, VIC 3052, Australia
8 University of Manchester, Oxford Road, Manchester M13 9PL, UK

(This article belongs to the Special Issue Immune Regulation by Vitamin D)

Apart from its classical function in bone and calcium metabolism, vitamin D is also involved in immune regulation and has been linked to various cancers, immune disorders and allergic diseases. Within the innate and adaptive immune systems, the vitamin D receptor and enzymes in monocytes, dendritic cells, epithelial cells, T lymphocytes and B lymphocytes mediate the immune modulatory actions of vitamin D. Vitamin D insufficiency/deficiency early in life has been identified as one of the risk factors for food allergy. Several studies have observed an association between increasing latitude and food allergy prevalence, plausibly linked to lower ultraviolet radiation (UVR) exposure and vitamin D synthesis in the skin. Along with mounting epidemiological evidence of a link between vitamin D status and food allergy, mice and human studies have shed light on the modulatory properties of vitamin D on the innate and adaptive immune systems. This review will summarize the literature on the metabolism and immune modulatory properties of vitamin D, with particular reference to food allergy.

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