Vitamin D and asthma.

J Allergy Clin Immunol

Division of Allergy and Immunology, Bryn Mawr Hospital, Bryn Mawr, Pa. Electronic address:

Published: August 2015

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http://dx.doi.org/10.1016/j.jaci.2015.04.033DOI Listing

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BackgroundAllergic diseases have become one of the major public health problems to be addressed in the world today. As a tissue resident cell, mast cells are crucial in the pathogenesis of allergic diseases. Vitamin A is an important fat-soluble vitamin with immunomodulatory functions.

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The association between early childhood serum 25-hydroxyvitamin D (25(OH)D) and eosinophilic asthma remains unclear. We investigated this association using multicentre prospective data from 584 children with a history of bronchiolitis requiring hospitalisation (high-risk population). Low serum 25(OH)D levels (<20 ng/mL) were associated with increased odds of developing eosinophilic asthma (adjusted OR 2.

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