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Nutrigenomique et épigénétique

Apolipoprotein E4

Genetic variant affecting lipid metabolism and the risk of chronic diseases.

Definition

Genetic variant of apolipoprotein E influencing lipid metabolism and increasing the risk of cardiovascular and neurodegenerative diseases.

How it works

Apolipoprotein E4 is a protein involved in cholesterol and lipid transport in the blood and brain. Carriers of the apo-e4 gene have a unique lipid profile with often higher LDL cholesterol levels. This genetic variant is also associated with an increased risk of Alzheimer's disease, particularly in postmenopausal women. Individuals carrying the gene benefit from specific dietary adjustments to manage their lipid metabolism.

Role

Regulates lipid transport and metabolism, influencing cardiovascular and neurodegenerative disease risk.

Examples

  • Elevated blood cholesterol
  • Increased risk of lipid deposits
  • Increased sensitivity to saturated fatty acids

Recommendations

Limit saturated and trans fatty acids, favor monounsaturated and polyunsaturated fatty acids. Increase antioxidant, fiber, and polyphenol intake. Regular physical activity optimizes lipid profiles.

Key takeaway

Apo-e4 carriers should adopt a Mediterranean diet rich in fruits, vegetables, and unsaturated fatty acids to minimize health risks.

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