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HESX homeobox 1
Symbol HESX1
Entrez 8820
HUGO 4877
OMIM 601802
RefSeq NM_003865
UniProt Q9UBX0
Other data
Locus Chr. 3 p21.1-21.2

HESX1 is a homeobox protein that can be associated with some cases of septo-optic dysplasia.[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.


  1. ^ Dattani MT, Martinez-Barbera JP, Thomas PQ, et al. (1998). "Mutations in the homeobox gene HESX1/Hesx1 associated with septo-optic dysplasia in human and mouse". Nat. Genet. 19 (2): 125–33. doi:10.1038/477. PMID 9620767.  

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