Pearls & Oy-sters: Familial epileptic encephalopathy due to methylenetetrahydrofolate reductase deficiency

Methylenetetrahydrofolate reductase (MTHFR) deficiency is a rare cause of epileptic encephalopathy. The authors thank Jean Ann Gilder (Scientific Communication srl) for editing the text and Vittorio Lucignano, CEINGE–Biotecnologie Avanzate, for technical assistance.