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Effect of vitamin D supplementation of low birth weight term Indian infants from birth on cytokine production at 6 months.
MedLine Citation:
PMID:  22510791     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND/OBJECTIVES:Vitamin D deficiency has been associated with impaired resistance to infection, which may be mediated by alterations in cytokine responses. We investigated the effect of vitamin D supplementation to infants on whole blood in-vitro cytokine production and on the inflammatory marker, plasma C-reactive protein (CRP).SUBJECTS/METHODS:Blood samples were taken at 6 months of age from infants participating in the DIVIDS (Delhi Infant Vitamin D Supplementation) randomized controlled trial of weekly vitamin D supplements (1400 IU=recommended intake) from birth to 6 months with the aim of decreasing mortality and severe morbidity. We measured plasma CRP and whole blood in-vitro production of tumour necrosis factor-α (TNFα), interferon-γ (INFγ), interleukin (IL)-10 and IL-13 following no stimulation or stimulation with lipopolysaccharide or phytohemagglutinin.RESULTS:Although the intervention improved vitamin D status in a severely deficient population, there were no differences between treatment groups in plasma CRP or in the production of any of the cytokines in either unstimulated or stimulated cultures. Recent illness had limited association with immunological markers. Plasma 25-hydroxyvitamin D levels were not associated with CRP or production of any cytokines.CONCLUSIONS:Vitamin D supplementation did not affect plasma CRP or whole blood cytokine production of vitamin D-deficient low birth weight infants. This is consistent with the lack of effect of vitamin D on mortality and severe morbidity among infants in the DIVIDS trial.European Journal of Clinical Nutrition advance online publication, 18 April 2012; doi:10.1038/ejcn.2012.33.
Authors:
G Trilok-Kumar; H Arora; M Rajput; H Chellani; V Singh; J Raynes; S Arya; S Aggarwal; N Srivastava; H P S Sachdev; S Filteau
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-4-18
Journal Detail:
Title:  European journal of clinical nutrition     Volume:  -     ISSN:  1476-5640     ISO Abbreviation:  -     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-4-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8804070     Medline TA:  Eur J Clin Nutr     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Biochemistry, Institute of Home Economics, Delhi University, New Delhi, India.
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