What is the DMGDH gene?
Mitochondrial dimethylglycine dehydrogenase converting dimethylglycine toward sarcosine in betaine-dependent one-carbon metabolism.
How DMGDH affects metabolism
When DMGDH-related function is shifted, the practical effect is interpreted through homocysteine handling, folate use, and one-carbon metabolism. This does not mean the pathway is active or impaired right now; it means the gene can help prioritize what to check next.
What happens when DMGDH is altered
Altered DMGDH signal should be treated as a DNA-based tendency, not a diagnosis. 1 claim currently passes the report-use gate. The useful question is whether symptoms, labs, and lifestyle context line up with the pathway signal.
Curated SNP evidence for DMGDH
These SNPs come from the approved study-level evidence model. Each claim is scored from curated study rows, then gated before it can influence pathway scoring.
Evidence-backed report connection
DMGDH currently has 1 curated SNPs, 1 claim-level scores, and 1 claims eligible for pathway scoring.
Open the sample reportrs248386DMGDH dimethylglycine locus1 claims · 2 study rows
biomarker tendency · C
circulating dimethylglycine tendency
rs248386 C at the DMGDH locus is associated with higher circulating dimethylglycine tendency.
DMGDH rs248386 is staged as a methylation/choline-support metabolite-QTL for dimethylglycine.
Show study evidence
Common symptoms people report
- fatigue or brain fog under workload
- higher concern around homocysteine balance
- unpredictable response to B-vitamin intake
Biomarkers to validate
Homocysteine
Checks whether methylation support is actually under strain.
Folate and B12
Helps separate folate-cycle pressure from broader B-vitamin status.
CBC and MCV
Adds context for red-blood-cell and B-vitamin patterns.
Where DNA analysis helps
DNA helps decide whether DMGDH deserves attention inside the broader Methylation pathway. It is most useful when combined with biomarkers instead of used as a standalone answer.
Example interpretation
DMGDH may add context to homocysteine handling, folate use, and one-carbon metabolism, especially when its SNP evidence lines up with other genes in the same pathway.
Suggested validation: Homocysteine.
What to do next
- Review the Methylation pathway result before interpreting DMGDH on its own.
- Use relevant biomarkers to confirm whether this DNA tendency is visible in current biology.
- Treat supplement or nutrition decisions as follow-up steps only after the pattern fits symptoms or labs.
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