{{Rsnum
|rsid=8003379
|Gene=MTHFD1
|Chromosome=14
|position=64406881
|Orientation=plus
|GMAF=0.1699
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;C)
|geno3=(C;C)
|effect1=
|effect2=
|effect3=
|Gene_s=MTHFD1
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;C)
| geno3=(C;C)
| CEU | 60.2 | 31.9 | 8.0
| HCB | 98.5 | 1.5 | 0.0
| JPT | 100.0 | 0.0 | 0.0
| YRI | 53.4 | 39.7 | 6.8
| ASW | 64.9 | 29.8 | 5.3
| CHB | 98.5 | 1.5 | 0.0
| CHD | 0.0 | 0.0 | 0.0
| GIH | 60.4 | 33.7 | 5.9
| LWK | 60.6 | 35.8 | 3.7
| MEX | 81.0 | 17.2 | 1.7
| MKK | 66.5 | 29.7 | 3.9
| TSI | 60.4 | 31.7 | 7.9
| HapMapRevision=28
}}[[rs8003379]] is reported to represent a risk factor for [[abdominal aortic aneurysm]] (AAA), with odds ratio of 0.41 (CI: 0.26-0.65). {{PMID|18635682}}

{{PMID Auto
|PMID=20871623
|Title=Genetic analysis of six SNPs in candidate genes associated with high cross-race risk of development of thoracic aortic aneurysms and dissections in Chinese Han population
}}

{{PMID Auto
|PMID=23893618
|Title=Association of dietary and supplemental folate intake and polymorphisms in three FOCM pathway genes with colorectal cancer in a population-based case-control study
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | FTDNA}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}