{{Rsnum
|rsid=334349
|Gene=TGFBR1
|Chromosome=9
|position=99152105
|Orientation=plus
|GMAF=0.3356
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=TGFBR1
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 4.5 | 38.4 | 57.1
| HCB | 27.0 | 45.3 | 27.7
| JPT | 23.0 | 55.8 | 21.2
| YRI | 4.8 | 38.8 | 56.5
| ASW | 7.4 | 48.1 | 44.4
| CHB | 27.0 | 45.3 | 27.7
| CHD | 15.2 | 59.0 | 25.7
| GIH | 12.0 | 50.0 | 38.0
| LWK | 14.8 | 34.3 | 50.9
| MEX | 5.5 | 49.1 | 45.5
| MKK | 0.0 | 0.0 | 0.0
| TSI | 0.0 | 0.0 | 0.0
| HapMapRevision=28
}}

{{doi|10.1126|science.1159397}} appears relevant to [[colon cancer]] [[rs334348]], [[rs334349]] and [[rs1590]] (in total linkage disequilibrium with each other) and a fourth marker, [[rs7871490]]

{{ neighbor
| rsid = 7871490
| distance = 697
}}

{{PMID Auto
|PMID=18703712
|Title=Germline allele-specific expression of TGFBR1 confers an increased risk of colorectal cancer.
|OA=1
}}

{{PMID Auto
|PMID=19509225
|Title=Infrequent detection of germline allele-specific expression of TGFBR1 in lymphoblasts and tissues of colon cancer patients.
|OA=1
}}

{{PMID Auto
|PMID=20500843
|Title=Constitutively decreased TGFBR1 allelic expression is a common finding in colorectal cancer and is associated with three TGFBR1 SNPs.
|OA=1
}}

{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Affy GenomeWide 6}}
{{on chip | Affy500k}}
{{on chip | FTDNA2}}
{{on chip | FTDNA}}
{{on chip | HumanOmni1Quad}}