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Genetic polymorphisms and lipoprotein responses to diets.
Stephanie Vincent1, Richard Planells, Catherine Defoort
1Unité 476-Human Nutrition and Lipids at INSERM (National Institute of Health and Medical Research), 18 Avenue Mozart, 13009 Marseille, France.
The Proceedings of the Nutrition Society
|April 15, 2003
Summary
Genetic variations influence how individuals respond to different diets, impacting cardiovascular health. Certain gene polymorphisms interact with dietary changes, affecting cholesterol and triglyceride levels.
Area of Science:
- Nutrigenomics
- Cardiovascular Disease Research
- Human Genetics
Background:
- Human genome evolution is minimal compared to dietary changes.
- Major diseases arise from gene-environment interactions, including diet.
- Gene polymorphisms in lipoprotein metabolism affect cardiovascular disease risk and diet response.
Purpose of the Study:
- Investigate diet-gene polymorphism interactions in cardiovascular disease risk factors.
- Analyze responses to Mediterranean, low-fat, and Western diets.
- Evaluate effects over 3- and 12-month periods.
Main Methods:
- RIVAGE intervention study in Marseille.
- Randomized 300 patients into diet groups (Mediterranean/low-fat vs. Western).
- Analyzed data from ~100 patients after 3 months, focusing on SNPs and metabolic variables.
Main Results:
- Identified interactions between specific SNPs and dietary responses.
- Apolipoprotein E (apoE) SNP associated with LDL-cholesterol and triacylglycerol changes.
- Microsomal transfer protein (MTP) and intestinal fatty acid-binding protein (FABP) SNPs showed diet interactions.
Conclusions:
- Specific single nucleotide polymorphisms (SNPs) interact with diet.
- These interactions influence metabolic responses, such as lipid levels.
- Findings support the role of nutrigenomics in personalized cardiovascular health strategies.