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Circulating omega-3 fatty acids and neovascular age-related macular degeneration.
MedLine Citation:
PMID:  24557349     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Purpose: To assess the associations of serum, red-blood cell membranes (RBCM) and dietary long-chain n-3 polyunsaturated fatty acids (LC-PUFAs) with neovascular age-related macular degeneration (AMD). Methods: We included 290 patients of the Nutritional AMD Treatment 2 Study (NAT2) with neovascular AMD in one eye and early AMD lesions in the other eye and 144 normal vision controls without AMD. Dietary intake of seafood was estimated by food frequency questionnaire. Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) composition in serum and RBCM were determined by gas chromatography from 12h-fasting blood samples and was expressed as percentages of total fatty acids profile. Logistic regressions estimated associations of neovascular AMD with dietary intake of seafood and circulating n-3 LC-PUFAs. Results: Dietary oily fish and seafood intake were significantly lower in AMD patients than in controls. After adjustment for all potential confounders (age, gender, CFH Y402H, ARMS2 A69S, and ApoE4 polymorphisms, plasma triglycerides, hypertension, hypercholesterolemia and family history of AMD), serum EPA was significantly associated with a lower risk for neovascular AMD (OR=0.41 (0.22-0.77); p=0.005). Analysis of RBCM revealed that EPA and EPA+DHA were significantly associated with a lower risk for neovascular AMD (OR=0.25 (0.13-0.47); p<0.0001 and OR=0.52 (0.29-0.94); p=0.03, respectively). Conclusions: RBCM EPA and EPA+DHA, as long term biomarkers of n-3 dietary PUFA status, were strongly associated with neovascular AMD and may represent an objective marker identifying subjects at high risk for neovascular AMD, whom may most benefit from nutritional interventions.
Authors:
Benedicte Mj Merle; Pascale Benlian; Nathalie Puche; Ana Bassols; Cécile Declourt; Eric Souied
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-2-20
Journal Detail:
Title:  Investigative ophthalmology & visual science     Volume:  -     ISSN:  1552-5783     ISO Abbreviation:  Invest. Ophthalmol. Vis. Sci.     Publication Date:  2014 Feb 
Date Detail:
Created Date:  2014-2-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7703701     Medline TA:  Invest Ophthalmol Vis Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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