Folate-Cycle Genes
PPIs, oral contraceptives, and anticonvulsants are described as drugs that can further block MTHFR function. MTHFR converts 5,10-methylene-THF into active folate and is described as the most critical regulatory enzyme in the folate cycle.…
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PPIs, oral contraceptives, and anticonvulsants are described as drugs that can further block MTHFR function. MTHFR converts 5,10-methylene-THF into active folate and is described as the most critical regulatory enzyme in the folate cycle. Patients with MTHFR mutations are advised to avoid synthetic folic acid and use methylfolate or folinic acid. Combined DHFR, MTHFR, and MTHFD1 variants can cause synthetic folic acid accumulation and reduced downstream enzymatic function. Reduced MTHFD1 activity raises genomic instability risk, especially with low folate or choline intake.