Cord blood LC-PUFA composition and allergic diseases during the first 10 yr. Results from the LISAplus study.
    
    
        
    
    
        
        Pediatr. Allergy Immunol. 35, 344-350 (2014)
    
    
 	
    
	
	  DOI
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	    BACKGROUND: It has been suggested that n-6 and n-3 long-chain polyunsaturated fatty acids (LC-PUFAs) in blood are associated with risk of allergic diseases, although results are inconclusive. Low levels of n-6 LC-PUFA and high levels of n-3 LC-PUFA are anticipated to have beneficial effects. Pregnancy is considered a critical time period for imprinting the developing immune system. We examined whether n-6 LC-PUFA, n-3 LC-PUFA concentrations or the n-6/n-3 ratio in cord blood (CB) serum are associated with allergic diseases up to the age of 10 yr. METHODS: This analysis included 436 children from the Munich LISAplus birth cohort study. Information on doctor-diagnosed asthma, hay fever/allergic rhinitis, and eczema was collected using questionnaires completed at the ages 6 and 10 yr, and for eczema additionally at 2 yr. Specific immunoglobulin E (IgE) against inhalant allergens was measured at 6 and 10 yr. Fatty acid composition was measured by gas chromatography in serum from CB and from blood collected at 2, 6, and 10 yr. Associations between n-3, n-6 LC-PUFA concentrations, and the n-6/n-3 ratio in CB serum and allergic diseases or atopy were assessed using generalized estimating equations (GEE) considering the longitudinal structure. Models were adjusted for LC-PUFA concentrations at follow-up and potential confounding factors. RESULTS: There was no significant association between n-3 LC-PUFA, n-6 LC-PUFA, or the n-6/n-3 ratio in CB serum with eczema, asthma, hay fever/allergic rhinitis, or aeroallergen sensitization. CONCLUSIONS: There is no indication of a beneficial effect of increased n-3 LC-PUFA in CB serum on the development of any of the disease entities.
	
	
	    
	
       
      
	
	    
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        Publication type
        Article: Journal article
    
 
    
        Document type
        Scientific Article
    
 
    
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        Keywords
        Allergies ; Asthma ; Atopy ; Children ; Cord Blood ; Eczema ; Epidemiology ; Fatty Acids ; Polyunsaturated Fatty Acids ; Rhinitis; Fish-oil Supplementation; Randomized Controlled-trial; Fatty-acids; High-risk; Immune-responses; Pregnancy; Infants; Age; Consumption; Outcomes
    
 
    
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        Language
        english
    
 
    
        Publication Year
        2014
    
 
    
        Prepublished in Year
        
    
 
    
        HGF-reported in Year
        2014
    
 
    
    
        ISSN (print) / ISBN
        0905-6157
    
 
    
        e-ISSN
        1399-3038
    
 
    
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	    Volume: 35,  
	    Issue: 4,  
	    Pages: 344-350 
	    Article Number: ,  
	    Supplement: ,  
	
    
 
    
        
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            Publisher
            Wiley
        
 
        
            Publishing Place
            Hoboken
        
 
	
        
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        Reviewing status
        Peer reviewed
    
 
    
        Institute(s)
        Institute of Epidemiology (EPI)
    
 
    
        POF-Topic(s)
        30503 - Chronic Diseases of the Lung and Allergies
    
 
    
        Research field(s)
        Genetics and Epidemiology
    
 
    
        PSP Element(s)
        G-503900-001
    
 
    
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        Erfassungsdatum
        2014-03-03