Biology:HESX1

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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 expressed in ES cells 1, also known as homeobox protein ANF, is a homeobox protein that in humans is encoded by the HESX1 gene.[1]

Expression of HEX1 and HESX1 marks the anterior visceral endoderm of the embryo. The AVE is an extra-embryonic tissue, key to the establishment of the anterior-posterior body axis.

Clinical significance

Mutations in the HESX1 gene are associated with some cases of septo-optic dysplasia[2] or Pickardt-Fahlbusch syndrome.[3]

References

  1. "Entrez Gene: HESX homeobox 1". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=8820. 
  2. "Mutations in the homeobox gene HESX1/Hesx1 associated with septo-optic dysplasia in human and mouse". Nat. Genet. 19 (2): 125–33. 1998. doi:10.1038/477. PMID 9620767. 
  3. "Pituitary Stalk Interruption Syndrome in 83 patients: novel HESX1 mutation and severe hormonal prognosis in malformative forms". Eur J Endocrinol 164 (4): 457–65. January 2011. doi:10.1530/EJE-10-0892. PMID 21270112. 

Further reading

External links