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Immunoregulatory mechanisms of vitamin D relevant to respiratory health and asthma

Research output: Contribution to journalArticle

Original languageEnglish
Article numberN/A
Pages (from-to)N/A
Number of pages13
JournalAnnals of the New York Academy of Sciences
VolumeN/A
Issue numberN/A
DOIs
Publication statusE-pub ahead of print - 2014

King's Authors

Abstract

Vitamin D deficiency is prevalent among people with various immune-mediated conditions, including autoimmune diseases and asthma. Serum 25(OH)D levels inversely correlate with asthma severity, glucocorticoid responsiveness/dosage, and markers of pathogenesis, such as airway remodeling, IgE, and eosinophilia. Trials involving supplementation with active vitamin D or a precursor are beginning to emerge with variable results that, in part, reflect differences in study design. This review looks at the mechanisms by which vitamin D may protect against asthma, including increasing glucocorticoid responsiveness, skewing immune cells towards a regulatory phenotype, reducing the incidence of infections, airway remodeling, eosinophilia, and lowering the levels of IgE. Also discussed is the therapeutic potential for vitamin D, which is likely to be applicable to immune-mediated conditions beyond simply asthma.

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