Document Detail

Impact of the Pro12Ala polymorphism of the PPAR-gamma2 gene on serum triacylglycerol response to n-3 fatty acid supplementation.
MedLine Citation:
PMID:  12765846     Owner:  NLM     Status:  MEDLINE    
Serum lipid responses to dietary modification are partly determined by genetic factors. The objective of the present study was to investigate the influence of the Pro12Ala polymorphism of the peroxisome proliferator-activated receptor-gamma2 (PPAR-gamma2) gene on serum lipid and lipoprotein responses to n-3 fatty acid supplementation. A total of 76 men and 74 women (age 49+/-8 years, body mass index 26.5+/-3.0 kg/m(2)) participated in a controlled multi-center study. Subjects were randomly assigned to consume either fish oil supplements (3.6g n-3 fatty acids/day containing 2.4 g of EPA and DHA) or placebo capsules containing olive oil for 3 months. At baseline, the Pro12Ala polymorphism was not associated with serum total and lipoprotein lipid concentrations or lipoprotein lipase activity in the fasting state. After the 3-month study period, carriers of the Ala12 allele presented a greater decrease in serum triacylglycerol concentration in response to n-3 fatty acid supplementation than did subjects with the Pro12Pro genotype when the total dietary fat intake was below 37 E% (p=0.003) or the intake of saturated fatty acids was below 10 E% (p=0.006). Changes in serum total cholesterol, serum LDL cholesterol and HDL cholesterol concentrations were similar among the genotypes in the n-3 fatty acid supplementation group and in the placebo group. In conclusion, the Pro12Ala polymorphism of the PPAR-gamma2 gene may modify the inter-individual variability in serum triacylglycerol response to n-3 fatty acid supplementation.
Virpi Lindi; Ursula Schwab; Anne Louheranta; Markku Laakso; Bengt Vessby; Kjeld Hermansen; Len Storlien; Gabriele Riccardi; Angela A Rivellese;
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Molecular genetics and metabolism     Volume:  79     ISSN:  1096-7192     ISO Abbreviation:  Mol. Genet. Metab.     Publication Date:  2003 May 
Date Detail:
Created Date:  2003-05-26     Completed Date:  2004-02-10     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9805456     Medline TA:  Mol Genet Metab     Country:  United States    
Other Details:
Languages:  eng     Pagination:  52-60     Citation Subset:  IM    
University of Kuopio, Department of Clinical Nutrition, Finland.
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MeSH Terms
Body Mass Index
Cholesterol, HDL / blood
Cholesterol, LDL / blood
Dietary Supplements
Fatty Acids, Omega-3 / administration & dosage*
Fish Oils
Lipoprotein Lipase / metabolism
Middle Aged
Plant Oils
Polymorphism, Genetic*
Receptors, Cytoplasmic and Nuclear / genetics*
Transcription Factors / genetics*
Triglycerides / blood*
Reg. No./Substance:
0/Cholesterol, HDL; 0/Cholesterol, LDL; 0/Fatty Acids, Omega-3; 0/Fish Oils; 0/Plant Oils; 0/Receptors, Cytoplasmic and Nuclear; 0/Transcription Factors; 0/Triglycerides; 8001-25-0/olive oil; EC Lipase

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