期刊
MOLECULAR NUTRITION & FOOD RESEARCH
卷 61, 期 4, 页码 -出版社
WILEY
DOI: 10.1002/mnfr.201600558
关键词
Mediterranean dietary pattern; Nutrigenetics; One-carbon metabolism; Serum-targeted metabolomics; Xenobiotic metabolism
资金
- European Regional Development Fund
- Republic of Cyprus through the Research Promotion Foundation [YGEIA/BIOS/0311(BIE/07), NEW INFRASTRUCTURE/NEKYP/0311/17, YGEIA 0104/13, YGEIA 0104/17]
- Cyprus Institute of Neurology and Genetics
- Eurobank Cyprus Scholarship through the Cyprus School of Molecular Medicine
- [NEKYP/0311/17]
Scope: A high adherence to the Mediterranean diet (MD) was previously associated with a decreased risk of breast cancer (BC) among Greek-Cypriot women. Additionally, particular polymorphisms were shown to modulate this MD-BC association. Herein, we aimed to investigate the effect of polymorphisms-MD interactions on the levels of specific metabolites that could be related to dietary adherence or enzymatic activity, which is itself modulated by polymorphisms. Methods and results: Greek-Cypriot women who were BC controls and had the lowest or the highest MD adherence (vegetables, fruit, legumes, fish) as assessed by principal component analysis (n = 564) were included. Participants were previously genotyped for nine polymorphisms of the one-carbon metabolism, oxidative stress, and xenobiotic metabolism. The serum levels of 14 metabolites that are key players in the aforementioned pathways were measured by UPLC-MS/MS. ANCOVA was used to assess polymorphism-MD interactions on metabolites' levels within a multivariate linear regression model. Statistically significant interactions between GSTM1 (where GST is glutathione S-transferase) deletion polymorphism and MD on flavin mononucleotide and on 5-methyltetrahydrofolate (5-MTHF) concentrations were observed. The MTHFR rs1801133 interacted significantly with MD on 5-MTHF concentration. Conclusion: Serum levels of flavin mononucleotide and 5-MTHF were shown to be influenced by interactions between GSTM1 deletion or MTHFR (rs1801133) polymorphisms and a dietary pattern, characteristic of MD.
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