Pathway report · 30 SNPs across 24 genes
Methylation Pathway
Methylation is the transfer of a methyl group from one compound to another. Those methyl groups act as switches that turn genes on and off, signal which hormones, brain chemicals and amino acids need to be broken down, and keep homocysteine in check. The cycle starts with folate from food and the MTHFR enzyme, runs through vitamin B12 and the MTR/MTRR enzymes to produce SAM-e, the body's universal methyl donor, and exits through the B6-dependent transsulfuration pathway that makes glutathione.
Genes analysed
MTHFR (C677T, A1298C), MTR, MTRR, MTHFD1, MTHFD1L, MTHFS, SHMT1, DHFR, FOLH1, TYMS, TCN2, CUBN, FUT2, MAT1A, GNMT, AHCY, BHMT, CHDH, PEMT, COMT, DNMT3B, CBS, PDXK
Lab markers the report asks for
Homocysteine, folate and RBC folate, B12 and active B12, methylmalonic acid, riboflavin, B6, choline, betaine, SAM-e/SAH, glycine, serine, magnesium, zinc, total glutathione
Typical recommendations
Methylfolate in place of folic acid · methyl- or hydroxo-B12 · riboflavin (B2) as the MTHFR cofactor · betaine (TMG) · choline-rich foods · B6 (P5P) · magnesium and zinc · limiting alcohol
Why we use it
This is the report our practice is built around. A single MTHFR result means little on its own; the value is in seeing the whole cycle, where the bottlenecks are and which cofactors will relieve them.