Journal
MEDIATORS OF INFLAMMATION
Volume 2011, Issue -, Pages -Publisher
HINDAWI LTD
DOI: 10.1155/2011/493925
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Funding
- Philip Morris USA and Philip Morris International Inc.
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Background. It is currently recommended that diet of pregnant mothers contain 200-300 mg DHA/day. Aim. To determine whether DHA supplementation during pregnancy and lactation affects infants' immune response. Methods. 60 women in >= 3rd pregnancy studied; 30 randomly assigned to receive DHA 400 mg/day from 12th week gestation until 4 months postpartum. From breast-fed infants, blood obtained for anti-HBs antibodies, immunoglobulins, lymphocyte subset phenotyping, and intracellular cytokine production. Results. CD4+ lymphocytes did not differ between groups, but CD4CD45RA/CD4 (naive cells) significantly higher in infants in DHA+ group. Proportion of CD4 and CD8 cells producing IFN gamma significantly lower in DHA+ group, with no differences in proportion of IL4-producing cells. Immunoglobulins and anti-HBs levels did not differ between groups. Conclusions. In infants of mothers receiving DHA supplementation, a higher percentage of CD4 naive cells and decreased CD4 and CD8 IFN. production is compatible with attenuation of a proinflammatory response.
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