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Abstract
The influence of vitamin D on human health is strongly associated with tolerogenic immune function, skewing the immune response toward a regulatory phenotype. Ecological and epidemiological studies have resulted in a proposed link between reduced levels of the most abundant circulating form of vitamin D, 25-hydroxyvitamin D (25(OH)D), and the development of food allergy in children.1 We have also shown that infants with vitamin D insufficiency (= 50nmol/L) were 11 times more likely to have a peanut allergy and 3 times more likely to have an egg allergy relative to infants with sufficient vitamin D levels.2 Interestingly, in the same cohort, 25(OH)D levels positively correlated with tolerogenic immune responses in 4-year-old children who had naturally outgrown their food allergy.3 There is no single accepted mechanism for the proposed association between vitamin D insufficiency and food allergy.4 Rather, a combination of several mechanisms is hypothesized to be involved, including the potential to modulate immune cell proportions or function, including that of regulatory T cells.4.
View details for DOI 10.1111/pai.13439
View details for PubMedID 33351974