Neural tube defects (NTDs) have been associated with biochemical factors involved in the conversion of homocysteine to methionine as folate deficiency and the mutation 677T in the N(5),N(10)-methylenetetrahydrofolate reductase gene (MTHFR).
Folate levels and N(5),N(10)-methylenetetrahydrofolate reductase genotype (MTHFR) in mothers of offspring with neural tube defects: a case-control study.
Departamento de Patología, Unidad de Genética y Defectos Congénitos, Facultad de Medicina, Universidad Autónoma de Nuevo León (UANL), Monterrey, Nuevo León, Mexico. laurmart@ccr.dsi.uanl.mx