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Gene-nutrient interactions in one-carbon metabolism
Simonetta Friso1, Sang-Woon Choi
1Department of Clinical and Experimental Medicine, University of Verona School of Medicine, Policlinico Giambattista Rossi, P. le L.A. Scuro, 10, 37134 Verona, Italy. simonetta.friso@univr.it
Current Drug Metabolism
|February 22, 2005
Summary
Folate is crucial for DNA health, and its interaction with genetic factors like MTHFR gene variations can impact DNA methylation. Understanding these gene-nutrient interactions is key for disease prevention and personalized nutrition.
Area of Science:
- Molecular Biology
- Nutritional Science
- Epigenetics
Background:
- Gene-environment interactions significantly influence disease development, including cancer and neurodegenerative conditions.
- Micronutrients and vitamins play vital roles in DNA metabolism and repair mechanisms.
- Folate is essential for nucleotide synthesis, DNA repair, and biological methylation processes.
Purpose of the Study:
- To elucidate the mechanisms of gene-nutrient interactions in disease development.
- To investigate the role of folate in DNA metabolism and methylation.
- To understand how folate status and genetic polymorphisms affect gene expression and disease risk.
Main Methods:
- Review of cell culture, animal, and human studies on folate metabolism and DNA methylation.
- Analysis of gene-nutrient interactions, specifically focusing on folate and methylenetetrahydrofolate reductase (MTHFR) gene polymorphisms.
- Examination of epigenetic modifications, including genome-wide and gene-specific DNA methylation patterns.
Main Results:
- Folate deficiency disrupts DNA synthesis/repair pathways and causes DNA methylation anomalies.
- A significant gene-nutrient interaction exists between folate status and MTHFR gene polymorphism, modulating genomic DNA methylation.
- These interactions can alter gene expression without changing the DNA sequence, impacting aging and disease pathology.
Conclusions:
- Gene-nutrient interactions, particularly involving folate and MTHFR, are critical in modulating gene expression through DNA methylation.
- Understanding these epigenetic mechanisms is vital for explaining disease pathophysiology and identifying at-risk individuals.
- Targeted, diet-based interventions informed by genetic and nutritional status hold promise for disease prevention and management.