{{Rsnum
|rsid=7895340
|Gene=TCF7L2
|Chromosome=10
|position=114801525
|Orientation=plus
|GMAF=0.4151
|Assembly=GRCh37
|GenomeBuild=37.1
|dbSNPBuild=131
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
}}
{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 16.9 | 46.2 | 36.9
| HCB | 0.0 | 6.7 | 93.3
| JPT | 0.0 | 11.4 | 88.6
| YRI | 79.4 | 17.5 | 3.2
| ASW | 0.0 | 0.0 | 0.0
| CHB | 0.0 | 6.7 | 93.3
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 0.0 | 0.0
| LWK | 0.0 | 0.0 | 0.0
| MEX | 0.0 | 0.0 | 0.0
| MKK | 0.0 | 0.0 | 0.0
| TSI | 0.0 | 0.0 | 0.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=20028944
|Title=Gene variants of TCF7L2 influence weight loss and body composition during lifestyle intervention in a risk population for type 2 diabetes
|OA=1
}}

{{PMID|17245589}} A genetic variation of the transcription factor 7-like 2 gene is associated with risk of type 2 diabetes in the Japanese population.

{{PMID|17311858}} TCF7L2 gene polymorphisms confer an increased risk for early impairment of glucose metabolism and increased height in obese children.

{{PMID|17601994}} Variants of the transcription factor 7-like 2 (TCF7L2) gene are associated with type 2 diabetes in an African-American population enriched for nephropathy.

{{PMID|17661009|OA=1
}} Impaired glucagon-like peptide-1-induced insulin secretion in carriers of transcription factor 7-like 2 (TCF7L2) gene polymorphisms.

{{PMID|17971425|OA=1
}} Association of TCF7L2 gene polymorphisms with reduced acute insulin response in Hispanic Americans.

{{PMID|18268068|OA=1
}} Variation in TCF7L2 and increased risk of colon cancer: the Atherosclerosis Risk in Communities (ARIC) Study.

{{PMID|18437354|OA=1
}} TCF7L2 single nucleotide polymorphisms, cardiovascular disease and all-cause mortality: the Atherosclerosis Risk in Communities (ARIC) study.

{{PMID|18650481|OA=1
}} TCF7L2 variants associate with CKD progression and renal function in population-based cohorts.

{{PMID|19351735|OA=1
}} Evidence for association between polycystic ovary syndrome (PCOS) and TCF7L2 and glucose intolerance in women with PCOS and TCF7L2.

{{PMID|19924244|OA=1
}} TCF7L2 polymorphism rs7903146 is associated with coronary artery disease severity and mortality.

{{PMID Auto
|PMID=23188737
|Title=TCF7L2 gene polymorphisms and type 2 diabetes risk: a comprehensive and updated meta-analysis involving 121,174 subjects
}}

{{PMID Auto
|PMID=23107111
|Title=Transcription factor-7-like 2 gene variants are strongly associated with type 2 diabetes in Lebanese subjects.
}}

{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}