{{Rsnum
|rsid=17037396
|Gene=MTHFR
|Chromosome=1
|position=11801990
|Orientation=plus
|GMAF=0.09366
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=MTHFR
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 76.1 | 23.0 | 0.9
| HCB | 83.2 | 16.1 | 0.7
| JPT | 77.0 | 22.1 | 0.9
| YRI | 84.4 | 15.6 | 0.0
| ASW | 82.5 | 17.5 | 0.0
| CHB | 83.2 | 16.1 | 0.7
| CHD | 78.9 | 19.3 | 1.8
| GIH | 74.3 | 23.8 | 2.0
| LWK | 82.7 | 16.4 | 0.9
| MEX | 91.4 | 8.6 | 0.0
| MKK | 84.0 | 14.1 | 1.9
| TSI | 88.2 | 10.8 | 1.0
| HapMapRevision=28
}}Gene-wide association study between the methylenetetrahydrofolate reductase gene (MTHFR) and schizophrenia in the Japanese population, with an updated meta-analysis on currently available data. {{PMID|20692813}}

{{PMID Auto
|PMID=18221821
|Title=Association of polymorphisms in one-carbon metabolizing genes and lung cancer risk: a case-control study in Chinese population.
}}

{{PMID Auto
|PMID=19112534
|Title=Lack of association of polymorphisms in homocysteine metabolism genes with pseudoexfoliation syndrome and glaucoma.
|OA=1
}}

{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}