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Jackson MD , Tulloch-Reid MK , McFarlane-Anderson N , Watson A , Seers V , Bennett FI , Egleston B , Ragin C
Complex interaction between serum folate levels and genetic polymorphisms in folate pathway genes: biomarkers of prostate cancer aggressiveness
Genes and Nutrition. 2013 Mar;8(2) :199-207
PMID: WOS:000315164600005 PMCID: PMC 3575883
AbstractLittle is known about the role of folate and polymorphisms associated with folate metabolism on prostate cancer risk in populations of African origin. We examined the relationship between serum folate and prostate cancer and whether any association was modified by genetic polymorphisms for folate metabolism. The study was case-control in design and consisted of 218 men 40-80 years old with newly diagnosed, histologically confirmed prostate cancer and 236 cancer-free men attending the same urology clinics in Jamaica, March 2005-July 2007. Serum folate was measured by an immunoassay method and genomic DNA evaluated for MTHR (C677T and A1298C), MTRR A66G, and MTR A2756G polymorphisms. Mean serum folate concentration was higher among cases (12.3 +/- A 4.1 nmol/L) than controls (9.7 +/- A 4.2 nmol/L). Serum folate concentration showed a positive association with prostate cancer (OR, 4.41; CI, 2.52-7.72 per 10 nmol/L) regardless of grade. No interactions were observed between genotype and folate concentration, but a weak gene effect was observed for MTHFR A1298C and low-grade prostate cancer. Larger studies to investigate the role of gene-gene/gene-diet interactions in Black men are needed.
NotesTimes Cited: 0 Jackson, Maria D. Tulloch-Reid, Marshall K. McFarlane-Anderson, Norma Watson, Alexis Seers, Vestra Bennett, Franklyn I. Egleston, Brian Ragin, Camille