| Production of interleukin-5, -10 and interferon-γ in cord blood is strongly associated with the season of birth. | |
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MedLine Citation:
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PMID: 20825427 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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BACKGROUND: The effect of labour and different labour-related factors on the cord blood (CB) cell cytokine production is still relatively unknown. OBJECTIVE: To study the relationships between the production of IL-5, IL-10 and IFN-γ in CB samples and maternal, early neonatal and birth-related factors. METHODS: Whole-blood samples were collected after birth (n=423) and they were stimulated for 24 and 48 h with a combination of phorbol ester and ionomycin. Production of IL-5, IL-10 and IFN-γ was determined using ELISA. Maternal, early neonatal and birth-related variables were recorded prospectively during pregnancy, and during and after delivery. RESULTS: After multivariable adjustment for confounders, the strongest predictor of IL-5, IL-10 and IFN-γ production in CB cell samples was the season of birth. Children born in the spring had significantly lower cytokine responses compared with those born in the fall. IL-5 production was inversely associated with female gender of the child and maternal smoking. If corrections for white blood cell (WBC) counts were not performed, IL-5 production was also significantly associated with the mode of delivery. Respectively, the production of IL-10 and IFN-γ was inversely associated with prostaglandin induction before birth. CONCLUSION: Environmental exposure to pollen and ultraviolet irradiation during gestation may have an effect on the cytokine profile of the offspring in CB because children born in the spring or winter showed the lowest IL-5, IL-10 and IFN-γ responses. The production of IL-10 and IFN-γ was also inversely associated with prostaglandin labour induction before birth. Other labour-related factors were not significantly associated with production of IL-5, IL-10 and IFN-γ after WBC count correction. |
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Authors:
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L Keski-Nisula; M H J Lappalainen; K Mustonen; M-R Hirvonen; P I Pfefferle; H Renz; J Pekkanen; M Roponen |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-09-02 |
Journal Detail:
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Title: Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology Volume: 40 ISSN: 1365-2222 ISO Abbreviation: Clin. Exp. Allergy Publication Date: 2010 Nov |
Date Detail:
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Created Date: 2010-11-02 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8906443 Medline TA: Clin Exp Allergy Country: England |
Other Details:
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Languages: eng Pagination: 1658-68 Citation Subset: IM |
Copyright Information:
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© 2010 Blackwell Publishing Ltd. |
Affiliation:
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Department of Environmental Health, National Institute for Health and Welfare, Kuopio, Finland. leea.keski-nisula@kuh.fi |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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