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Aristaless related homeobox
Symbols ARX; ISSX; MRX29; MRX32; MRX33; MRX36; MRX38; MRX43; MRX54; MRXS1; PRTS
External IDs OMIM300382 MGI1097716 HomoloGene68998 GeneCards: ARX Gene
RNA expression pattern
PBB GE ARX gnf1h01283 s at tn.png
PBB GE ARX gnf1h01284 x at tn.png
More reference expression data
Species Human Mouse
Entrez 170302 11878
Ensembl ENSG00000004848 ENSMUSG00000035277
UniProt Q96QS3 O35085
RefSeq (mRNA) NM_139058 XM_979717
RefSeq (protein) NP_620689 XP_984811
Location (UCSC) Chr X:
24.93 - 24.94 Mb
Chr X:
89.54 - 89.55 Mb
PubMed search [1] [2]

Aristaless related homeobox, also known as ARX is a protein associated with mental retardation and lissencephaly.[1]

This gene is a homeobox-containing gene expressed during development. The expressed protein contains two conserved domains, a C-peptide (or aristaless domain) and the prd-like class homeobox domain. It is a member of the group-II aristaless-related protein family whose members are expressed primarily in the central and/or peripheral nervous system. This gene is involved in CNS and pancreas development. Mutations in this gene cause X-linked mental retardation and epilepsy, as well as hypoglycemia (in mice).[1]


See also


Further reading

  • Mulley JC, Kerr B, Stevenson R, Lubs H (1992). "Nomenclature guidelines for X-linked mental retardation.". Am. J. Med. Genet. 43 (1-2): 383–91. doi:10.1002/ajmg.1320430159. PMID 1605216.  
  • Häne B, Schroer RJ, Arena JF, et al. (1997). "Nonsyndromic X-linked mental retardation: review and mapping of MRX29 to Xp21.". Clin. Genet. 50 (4): 176–83. PMID 9001795.  
  • Suri M (2005). "The phenotypic spectrum of ARX mutations.". Developmental medicine and child neurology 47 (2): 133–7. doi:10.1017/S001216220500023X. PMID 15707237.  
  • Partington MW, Mulley JC, Sutherland GR, et al. (1988). "X-linked mental retardation with dystonic movements of the hands.". Am. J. Med. Genet. 30 (1-2): 251–62. doi:10.1002/ajmg.1320300127. PMID 3177452.  
  • Schutz CK, Ives EJ, Chalifoux M, et al. (1996). "Regional localization of an X-linked mental retardation gene to Xp21.1-Xp22.13 (MRX38).". Am. J. Med. Genet. 64 (1): 89–96. doi:10.1002/(SICI)1096-8628(19960712)64:1<89::AID-AJMG16>3.0.CO;2-O. PMID 8826457.  
  • Holinski-Feder E, Golla A, Rost I, et al. (1996). "Regional localization of two MRX genes to Xq28 (MRX28) and to Xp11.4-Xp22.12 (MRX33).". Am. J. Med. Genet. 64 (1): 125–30. doi:10.1002/(SICI)1096-8628(19960712)64:1<125::AID-AJMG21>3.0.CO;2-O. PMID 8826462.  
  • Claes S, Gu XX, Legius E, et al. (1996). "Linkage analysis in three families with nonspecific X-linked mental retardation.". Am. J. Med. Genet. 64 (1): 137–46. doi:10.1002/(SICI)1096-8628(19960712)64:1<137::AID-AJMG24>3.0.CO;2-N. PMID 8826464.  
  • Jemaa LB, des Portes V, Zemni R, et al. (2000). "Refined 2.7 centimorgan locus in Xp21.3-22.1 for a nonspecific X-linked mental retardation gene (MRX54).". Am. J. Med. Genet. 85 (3): 276–82. doi:10.1002/(SICI)1096-8628(19990730)85:3<276::AID-AJMG18>3.0.CO;2-I. PMID 10398243.  
  • Hamel BC, Smits AP, van den Helm B, et al. (2000). "Four families (MRX43, MRX44, MRX45, MRX52) with nonspecific X-linked mental retardation: clinical and psychometric data and results of linkage analysis.". Am. J. Med. Genet. 85 (3): 290–304. doi:10.1002/(SICI)1096-8628(19990730)85:3<290::AID-AJMG21>3.0.CO;2-H. PMID 10398246.  
  • Blair HJ, Reed V, Gormally E, et al. (2000). "Positioning of five genes (CASK, ARX, SAT, IMAGE cDNAs 248928 and 253949) from the human X chromosome short arm with respect to evolutionary breakpoints on the mouse X chromosome.". Mamm. Genome 11 (8): 710–2. doi:10.1007/s003350010141. PMID 10920247.  
  • Strømme P, Mangelsdorf ME, Shaw MA, et al. (2002). "Mutations in the human ortholog of Aristaless cause X-linked mental retardation and epilepsy.". Nat. Genet. 30 (4): 441–5. doi:10.1038/ng862. PMID 11889467.  
  • Bienvenu T, Poirier K, Friocourt G, et al. (2003). "ARX, a novel Prd-class-homeobox gene highly expressed in the telencephalon, is mutated in X-linked mental retardation.". Hum. Mol. Genet. 11 (8): 981–91. doi:10.1093/hmg/11.8.981. PMID 11971879.  
  • Strømme P, Mangelsdorf ME, Scheffer IE, Gécz J (2002). "Infantile spasms, dystonia, and other X-linked phenotypes caused by mutations in Aristaless related homeobox gene, ARX.". Brain Dev. 24 (5): 266–8. doi:10.1016/S0387-7604(02)00079-7. PMID 12142061.  
  • Scheffer IE, Wallace RH, Phillips FL, et al. (2002). "X-linked myoclonic epilepsy with spasticity and intellectual disability: mutation in the homeobox gene ARX.". Neurology 59 (3): 348–56. PMID 12177367.  
  • Ohira R, Zhang YH, Guo W, et al. (2003). "Human ARX gene: genomic characterization and expression.". Mol. Genet. Metab. 77 (1-2): 179–88. doi:10.1016/S1096-7192(02)00126-9. PMID 12359145.  
  • Turner G, Partington M, Kerr B, et al. (2003). "Variable expression of mental retardation, autism, seizures, and dystonic hand movements in two families with an identical ARX gene mutation.". Am. J. Med. Genet. 112 (4): 405–11. doi:10.1002/ajmg.10714. PMID 12376946.  
  • Frints SG, Froyen G, Marynen P, et al. (2003). "Re-evaluation of MRX36 family after discovery of an ARX gene mutation reveals mild neurological features of Partington syndrome.". Am. J. Med. Genet. 112 (4): 427–8. doi:10.1002/ajmg.10628. PMID 12376949.  
  • Kitamura K, Yanazawa M, Sugiyama N, et al. (2002). "Mutation of ARX causes abnormal development of forebrain and testes in mice and X-linked lissencephaly with abnormal genitalia in humans.". Nat. Genet. 32 (3): 359–69. doi:10.1038/ng1009. PMID 12379852.  

External links

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



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