Contribution of MTHFR C677T and A1298C Variants to Retinoblastoma Risk in Mexican Children
Background: Retinoblastoma (RB) is the most common malignant intraocular tumor in childhood. Although germline and somatic alterations in RB1 contribute to RB development, additional genetic factors may influence susceptibility. Methylenetetrahydrofolate reductase (MTHFR) participates in folate metabolism and DNA synth...