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Nutrigenetics: links between genetic background and response to Mediterranean-type diets
Denis Lairon1, Catherine Defoort, Jean-Charles Martin
1INRA, UMR1260 Nutriments Lipidiques et Prévention des Maladies Métaboliques, INSERM, U476, Univ Aix-Marseille 1, Univ Aix-Marseille 2, Faculté de Médecine, IPHM-IFR 125, Marseille, F-13385, France. denis.lairon@univmed.fr
Public Health Nutrition
|August 20, 2009
Summary
Mediterranean diets impact cardiovascular health, with genetic variations influencing individual responses. Specific gene polymorphisms interact with diet, affecting lipid levels and cardiovascular risk factors.
Area of Science:
- Nutrigenetics and personalized nutrition
- Cardiovascular disease prevention
- Human genetics and metabolism
Background:
- Major diseases are influenced by gene-environment interactions, particularly diet.
- Genetic variations (polymorphisms) can alter metabolic pathways and dietary responses.
- Nutrigenetics explores how individual genetic makeup affects response to food.
Purpose of the Study:
- To investigate the effects of Mediterranean diets on cardiovascular risk factors.
- To examine the role of genetic background in dietary responses.
- To identify specific gene-diet interactions influencing metabolic parameters.
Main Methods:
- The Medi-RIVAGE study involved 169 participants at moderate cardiovascular risk.
- A 3-month Mediterranean dietary intervention was implemented.
- Twenty-three single nucleotide polymorphisms (SNPs) were analyzed for interactions with diet.
Main Results:
- Specific SNPs interacted with the Mediterranean diet, altering cardiovascular risk factors.
- Interactions were observed between SNPs in MTTP and FABP2 genes and changes in triglycerides and LDL-cholesterol.
- The Framingham score was reduced in response to the diet, influenced by genetic factors.
Conclusions:
- Gene-diet interactions significantly influence metabolic responses to dietary interventions.
- Personalizing dietary recommendations based on genetic variability can optimize cardiovascular health.
- Further research is needed to fully elucidate the role of nutrigenetics in disease prevention.
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