Journal of inherited metabolic disease, cilt.39, sa.1, ss.115-24, 2016 (SCI-Expanded)
Background Severe methylenetetrahydrofolate reductase (MTHFR) deficiency is a rare inborn defect disturbing the remethylation of homocysteine to methionine (<200 reported cases). This retrospective study evaluates clinical, biochemical genetic and in vitro enzymatic data in a cohort of 33 patients.