Biology:HOXA13

From HandWiki
Short description: Protein-coding gene in the species Homo sapiens


A representation of the 3D structure of the protein myoglobin showing turquoise α-helices.
Generic protein structure example

Homeobox protein Hox-A13 is a protein that in humans is encoded by the HOXA13 gene.[1][2][3]

Function

In vertebrates, the genes encoding the class of transcription factors called homeobox genes are found in clusters named A, B, C, and D on four separate chromosomes. Expression of these proteins is spatially and temporally regulated during embryonic development. This gene is part of the A cluster on chromosome 7 and encodes a DNA-binding transcription factor which may regulate gene expression, morphogenesis, and differentiation.[3]

Clinical significance

Expansion of a polyalanine tract in the encoded protein can cause hand-foot-genital syndrome, also known as hand-foot-uterus syndrome.[4] Aberrant expression of HoxA13 gene products in the esophagus, provokes Barrett’s esophagus, a form of metaplasia that is a direct precursor to esophageal cancer.[5]

See also

References

  1. "Nomenclature for human homeobox genes". Genomics 7 (3): 460. Jul 1990. doi:10.1016/0888-7543(90)90186-X. PMID 1973146. 
  2. "Vertebrate homeobox gene nomenclature". Cell 71 (4): 551–3. Nov 1992. doi:10.1016/0092-8674(92)90588-4. PMID 1358459. 
  3. 3.0 3.1 "Entrez Gene: HOXA13 homeobox A13". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=3209. 
  4. Innis, Jeffrey W (2006-07-11). Hand-Foot-Genital Syndrome. NCBI Bookshelf, GeneReviews. University of Washington, Seattle. https://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=gene∂=hfg. 
  5. "HOXA13 in etiology and oncogenic potential of Barrett's esophagus". Nature Communications 12 (1): 3354. Jun 2021. doi:10.1038/s41467-021-23641-8. PMID 34099670. 

Further reading

External links

This article incorporates text from the United States National Library of Medicine, which is in the public domain.