TCF7L2
Protein-coding gene in humans / From Wikipedia, the free encyclopedia
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Transcription factor 7-like 2 (T-cell specific, HMG-box), also known as TCF7L2 or TCF4, is a protein acting as a transcription factor that, in humans, is encoded by the TCF7L2 gene.[5][6] The TCF7L2 gene is located on chromosome 10q25.2–q25.3, contains 19 exons.[7][8] As a member of the TCF family, TCF7L2 can form a bipartite transcription factor and influence several biological pathways, including the Wnt signalling pathway.[9]
Single-nucleotide polymorphisms (SNPs) in this gene are especially known to be linked to higher risk to develop type 2 diabetes,[9] gestational diabetes,[10] multiple neurodevelopmental disorders[11][12] including schizophrenia[13][14] and autism spectrum disorder,[15][16] as well as other diseases.[17][18] The SNP rs7903146, within the TCF7L2 gene, is, to date, the most significant genetic marker associated with type 2 diabetes risk.[19]