Rs234715

Prenatal vitamins, one-carbon metabolism gene variants, and risk for autism (2012) - Interactions were observed for autism between lack of reported periconceptional maternal prenatal vitamin intake and both maternal MTHFR 677 TT and CBS rs234715 GT+TT genotypes. ... Significant interaction effects were observed for maternal MTHFR 677 TT, CBS rs234715 GT+TT, and child COMT 472 AA genotypes, with greater risk for autism when mothers did not report taking prenatal vitamins periconceptionally.