PHOX2A

PHOX2A

PHOX2A

Protein-coding gene in humans


Paired mesoderm homeobox protein 2A is a protein that in humans is encoded by the PHOX2A gene.[5][6][7]

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Function

The protein encoded by this gene contains a paired-like homeodomain most similar to that of the Drosophila aristaless gene product. This protein is expressed specifically in noradrenergic cell types. It regulates the expression of tyrosine hydroxylase and dopamine beta-hydroxylase, two catecholaminergic biosynthetic enzymes essential for the differentiation and maintenance of noradrenergic phenotype. Mutations in this gene have been associated with autosomal recessive congenital fibrosis of the extraocular muscles (CFEOM2).[7]

Interactions

PHOX2A has been shown to interact with HAND2.[8]


References

  1. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  2. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  3. Johnson KR, Smith L, Johnson DK, Rhodes J, Rinchik EM, Thayer M, Lewis EJ (Sep 1996). "Mapping of the ARIX homeodomain gene to mouse chromosome 7 and human chromosome 11q13". Genomics. 33 (3): 527–31. doi:10.1006/geno.1996.0230. PMID 8661014.
  4. Nakano M, Yamada K, Fain J, Sener EC, Selleck CJ, Awad AH, Zwaan J, Mullaney PB, Bosley TM, Engle EC (Nov 2001). "Homozygous mutations in ARIX(PHOX2A) result in congenital fibrosis of the extraocular muscles type 2". Nat. Genet. 29 (3): 315–20. doi:10.1038/ng744. PMID 11600883. S2CID 25403574.

Further reading

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



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