USH2A

USH2A
Identifiers
Aliases	USH2A, RP39, US2, USH2, dJ1111A8.1, Usher syndrome 2A (autosomal recessive, mild), usherin
External IDs	OMIM: 608400 MGI: 1341292 HomoloGene: 66151 GeneCards: USH2A
Gene location (Human)
Chr.	Chromosome 1 (human)[1]
End	216,423,448 bp[1]
Gene location (Mouse)
Chr.	Chromosome 1 (mouse)[2]
End	188,697,238 bp[2]
RNA expression pattern
	Top expressed in
	right lobe of liver; ; sperm; ; islet of Langerhans; ; testicle; ; prefrontal cortex; ; left ventricle; ; kidney; ; adrenal gland; ; kidney; ; fundus;
	Top expressed in
	spermatid; ; Jacobson's organ; ; spermatocyte; ; secondary oocyte; ; morula; ; mirror; ; blastocyst; ; islet of Langerhans; ; gonad; ; male reproductive system;
	More reference expression data
	More reference expression data
Gene ontology
Molecular function	protein homodimerization activity; collagen binding; myosin binding; protein binding;
Cellular component	cytoplasm; stereocilium bundle; integral component of membrane; ciliary basal body; cell projection; stereocilium membrane; membrane; photoreceptor inner segment; stereocilia ankle link complex; plasma membrane; photoreceptor connecting cilium; stereocilia ankle link; extracellular region; basement membrane; USH2 complex; apical plasma membrane; periciliary membrane compartment; neuronal cell body; terminal bouton; stereocilium; synapse;
Biological process	response to stimulus; establishment of protein localization; hair cell differentiation; sensory perception of light stimulus; sensory perception of sound; inner ear receptor cell differentiation; photoreceptor cell maintenance; maintenance of animal organ identity; visual perception; retina development in camera-type eye; animal organ morphogenesis; tissue development; neurogenesis;
	Sources:Amigo / QuickGO
Orthologs
	7399
	22283
	ENSG00000042781
	ENSMUSG00000026609
	O75445
	Q2QI47
	NM_206933; NM_007123
	NM_021408
	NP_009054; NP_996816
	NP_067383
	Wikidata
View/Edit Human	View/Edit Mouse

Usherin is a protein that in humans is encoded by the USH2A gene.[5][6]

This gene encodes the protein Usherin that contains laminin EGF motifs, a pentraxin domain, and many fibronectin type III motifs. The encoded basement membrane-associated protein may be important in development and homeostasis of the inner ear and retina. Mutations within this gene have been associated with Usher syndrome type IIa. Alternatively spliced transcript variants that encode different isoforms have been described.[7]

References

GRCh38: Ensembl release 89: ENSG00000042781 - Ensembl, May 2017
GRCm38: Ensembl release 89: ENSMUSG00000026609 - Ensembl, May 2017
"Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
"Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
Eudy JD, Weston MD, Yao S, Hoover DM, Rehm HL, Ma-Edmonds M, Yan D, Ahmad I, Cheng JJ, Ayuso C, Cremers C, Davenport S, Moller C, Talmadge CB, Beisel KW, Tamayo M, Morton CC, Swaroop A, Kimberling WJ, Sumegi J (Jul 1998). "Mutation of a gene encoding a protein with extracellular matrix motifs in Usher syndrome type IIa". Science. 280 (5370): 1753–7. Bibcode:1998Sci...280.1753E. doi:10.1126/science.280.5370.1753. PMID 9624053.
Weston MD, Eudy JD, Fujita S, Yao S, Usami S, Cremers C, Greenberg J, Ramesar R, Martini A, Moller C, Smith RJ, Sumegi J, Kimberling WJ (May 2000). "Genomic structure and identification of novel mutations in usherin, the gene responsible for Usher syndrome type IIa". Am J Hum Genet. 66 (4): 1199–210. doi:10.1086/302855. PMC 1288187. PMID 10729113.
"Entrez Gene: USH2A Usher syndrome 2A (autosomal recessive, mild)".

Michalski N, Michel V, Bahloul A, Lefèvre G, Barral J, Yagi H, Chardenoux S, Weil D, Martin P, Hardelin JP, Sato M, Petit C (2007). "Molecular characterization of the ankle-link complex in cochlear hair cells and its role in the hair bundle functioning". J. Neurosci. 27 (24): 6478–88. doi:10.1523/JNEUROSCI.0342-07.2007. PMC 6672440. PMID 17567809.
Liu X, Bulgakov OV, Darrow KN, Pawlyk B, Adamian M, Liberman MC, Li T (2007). "Usherin is required for maintenance of retinal photoreceptors and normal development of cochlear hair cells". Proc Natl Acad Sci U S A. 104 (11): 4413–8. Bibcode:2007PNAS..104.4413L. doi:10.1073/pnas.0610950104. PMC 1838616. PMID 17360538.
Ahmed ZM, Riazuddin S, Riazuddin S, Wilcox ER (2004). "The molecular genetics of Usher syndrome". Clin. Genet. 63 (6): 431–44. doi:10.1034/j.1399-0004.2003.00109.x. PMID 12786748. S2CID 21024265.
Roland FP (1978). "Management of atypical pneumonias in view of the new entity "Legionnaire's disease"". Rhode Island Medical Journal. 61 (7): 270–2. PMID 276901.
Liu XZ, Hope C, Liang CY, et al. (2000). "A mutation (2314delG) in the Usher syndrome type IIA gene: high prevalence and phenotypic variation". Am. J. Hum. Genet. 64 (4): 1221–5. doi:10.1086/302332. PMC 1377848. PMID 10090909.
Adato A, Weston MD, Berry A, et al. (2000). "Three novel mutations and twelve polymorphisms identified in the USH2A gene in Israeli USH2 families". Hum. Mutat. 15 (4): 388. doi:10.1002/(SICI)1098-1004(200004)15:4<388::AID-HUMU27>3.0.CO;2-N. PMID 10738000. S2CID 23146564.
Rivolta C, Sweklo EA, Berson EL, Dryja TP (2001). "Missense mutation in the USH2A gene: association with recessive retinitis pigmentosa without hearing loss". Am. J. Hum. Genet. 66 (6): 1975–8. doi:10.1086/302926. PMC 1378039. PMID 10775529.
Dreyer B, Tranebjaerg L, Rosenberg T, et al. (2000). "Identification of novel USH2A mutations: implications for the structure of USH2A protein". Eur. J. Hum. Genet. 8 (7): 500–6. doi:10.1038/sj.ejhg.5200491. PMID 10909849.
Leroy BP, Aragon-Martin JA, Weston MD, et al. (2001). "Spectrum of mutations in USH2A in British patients with Usher syndrome type II". Exp. Eye Res. 72 (5): 503–9. doi:10.1006/exer.2000.0978. PMID 11311042.
Dreyer B, Tranebjaerg L, Brox V, et al. (2001). "A common ancestral origin of the frequent and widespread 2299delG USH2A mutation". Am. J. Hum. Genet. 69 (1): 228–34. doi:10.1086/321269. PMC 1226039. PMID 11402400.
Bhattacharya G, Miller C, Kimberling WJ, et al. (2002). "Localization and expression of usherin: a novel basement membrane protein defective in people with Usher's syndrome type IIa". Hear. Res. 163 (1–2): 1–11. doi:10.1016/S0378-5955(01)00344-6. PMID 11788194. S2CID 25738905.
Nájera C, Beneyto M, Blanca J, et al. (2002). "Mutations in myosin VIIA (MYO7A) and usherin (USH2A) in Spanish patients with Usher syndrome types I and II, respectively". Hum. Mutat. 20 (1): 76–7. doi:10.1002/humu.9042. PMID 12112664.
Huang D, Eudy JD, Uzvolgyi E, et al. (2003). "Identification of the mouse and rat orthologs of the gene mutated in Usher syndrome type IIA and the cellular source of USH2A mRNA in retina, a target tissue of the disease". Genomics. 80 (2): 195–203. doi:10.1006/geno.2002.6823. PMID 12160733.
Rivolta C, Berson EL, Dryja TP (2002). "Paternal uniparental heterodisomy with partial isodisomy of chromosome 1 in a patient with retinitis pigmentosa without hearing loss and a missense mutation in the Usher syndrome type II gene USH2A". Arch. Ophthalmol. 120 (11): 1566–71. doi:10.1001/archopht.120.11.1566. PMID 12427073.
Pearsall N, Bhattacharya G, Wisecarver J, et al. (2003). "Usherin expression is highly conserved in mouse and human tissues". Hear. Res. 174 (1–2): 55–63. doi:10.1016/S0378-5955(02)00635-4. PMID 12433396. S2CID 31139976.
Bernal S, Ayuso C, Antiñolo G, et al. (2003). "Mutations in USH2A in Spanish patients with autosomal recessive retinitis pigmentosa: high prevalence and phenotypic variation". J. Med. Genet. 40 (1): 8e–8. doi:10.1136/jmg.40.1.e8. PMC 1735247. PMID 12525556.
Bhattacharya G, Kalluri R, Orten DJ, et al. (2004). "A domain-specific usherin/collagen IV interaction may be required for stable integration into the basement membrane superstructure". J. Cell Sci. 117 (Pt 2): 233–42. doi:10.1242/jcs.00850. PMID 14676276.
Aller E, Nájera C, Millán JM, et al. (2004). "Genetic analysis of 2299delG and C759F mutations (USH2A) in patients with visual and/or auditory impairments". Eur. J. Hum. Genet. 12 (5): 407–10. doi:10.1038/sj.ejhg.5201138. PMID 14970843.
van Wijk E, Pennings RJ, te Brinke H, et al. (2004). "Identification of 51 novel exons of the Usher syndrome type 2A (USH2A) gene that encode multiple conserved functional domains and that are mutated in patients with Usher syndrome type II". Am. J. Hum. Genet. 74 (4): 738–44. doi:10.1086/383096. PMC 1181950. PMID 15015129.

External links

GeneReviews/NCBI/NIH/UW entry on Usher Syndrome Type II

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[refGRCh38Ensembl-1] GRCh38: Ensembl release 89: ENSG00000042781 - Ensembl, May 2017

[refGRCm38Ensembl-2] GRCm38: Ensembl release 89: ENSMUSG00000026609 - Ensembl, May 2017

[3] "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.

[4] "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.

[pmid9624053-5] Eudy JD, Weston MD, Yao S, Hoover DM, Rehm HL, Ma-Edmonds M, Yan D, Ahmad I, Cheng JJ, Ayuso C, Cremers C, Davenport S, Moller C, Talmadge CB, Beisel KW, Tamayo M, Morton CC, Swaroop A, Kimberling WJ, Sumegi J (Jul 1998). "Mutation of a gene encoding a protein with extracellular matrix motifs in Usher syndrome type IIa". Science. 280 (5370): 1753–7. Bibcode:1998Sci...280.1753E. doi:10.1126/science.280.5370.1753. PMID 9624053.

[pmid10729113-6] Weston MD, Eudy JD, Fujita S, Yao S, Usami S, Cremers C, Greenberg J, Ramesar R, Martini A, Moller C, Smith RJ, Sumegi J, Kimberling WJ (May 2000). "Genomic structure and identification of novel mutations in usherin, the gene responsible for Usher syndrome type IIa". Am J Hum Genet. 66 (4): 1199–210. doi:10.1086/302855. PMC 1288187. PMID 10729113.

[entrez-7] "Entrez Gene: USH2A Usher syndrome 2A (autosomal recessive, mild)".

USH2A

References

Further reading

External links