Fig. 1From: Association of leukocyte DNA methylation changes with dietary folate and alcohol intake in the EPIC studyDiagram of the one-carbon metabolism pathway. MS methionine synthase, MTHFR methylenetetrahydrofolate reductase, THF tetrahydrofolate, SAH S-adenosylhomocysteine, SAM S-adenosylmethionineBack to article page