LongevityMap Gene
Gene details
- HGNC symbol
- TAS2R38
- Aliases
- PTC; T2R38; T2R61
- Common name
- taste 2 receptor member 38
- Description
- This gene encodes a seven-transmembrane G protein-coupled receptor that controls the ability to taste glucosinolates, a family of bitter-tasting compounds found in plants of the Brassica sp. Synthetic compounds phenylthiocarbamide (PTC) and 6-n-propylthiouracil (PROP) have been identified as ligands for this receptor and have been used to test the genetic diversity of this gene. Although several allelic forms of this gene have been identified worldwide, there are two predominant common forms (taster and non-taster) found outside of Africa. These alleles differ at three nucleotide positions resulting in amino acid changes in the protein (A49P, A262V, and V296I) with the amino acid combination PAV identifying the taster variant (and AVI identifying the non-taster variant). [provided by RefSeq, Oct 2009]
- Cytogenetic Location
- 7q34
- UCSC Genome Browser
- View 7q34 on the UCSC genome browser
- OMIM
- 607751
- Ensembl
- ENSG00000257138
- UniProt/Swiss-Prot
- T2R38_HUMAN
- Entrez Gene
- 5726
- UniGene
- 647085
- 1000 Genomes
- 1000 Genomes
Homologs in model organisms
Studies (1)
Significant/Non-significant: 0/1
- Longevity Association
- Non-significant
- Population
- Italian (Southern)
- Study Design
- Using a tagging approach, the possible associations between longevity and the common genetic variation at the three bitter taste receptor gene clusters on chromosomes 5, 7 and 12 in a population of 941 unrelated individuals (20-106 years old) was investigated. The study included 348 very elderly cases (>=85 years, mean age 93.82 years, median age 92) and 593 non-elderly controls (<85 years, mean age 59.17 years, median age 67 years).
- Conclusions
- None of the tested single nucleotide polymorphisms, excepting rs978739, showed a significant association with the longevity phenotype
- Indentifier
- rs10246939
- Reference