CLDN9

Claudin-9 is a protein that in humans is encoded by the CLDN9 gene.[5][6][7] It belongs to the group of claudins.

CLDN9
Identifiers
Aliases	CLDN9, claudin 9
External IDs	OMIM: 615799 MGI: 1913100 HomoloGene: 10656 GeneCards: CLDN9
Gene location (Human) Chr. Chromosome 16 (human)[1] Band 16p13.3 Start 3,012,923 bp[1] End 3,014,505 bp[1]
Gene location (Mouse) Chr. Chromosome 17 (mouse)[2] Band 17|17 A3.3 Start 23,682,584 bp[2] End 23,684,026 bp[2]
RNA expression pattern More reference expression data
Gene ontology Molecular function • structural molecule activity • identical protein binding • GO:0001948 protein binding • virus receptor activity Cellular component • integral component of membrane • membrane • bicellular tight junction • cell junction • intracellular membrane-bounded organelle • cell membrane Biological process • calcium-independent cell-cell adhesion via plasma membrane cell-adhesion molecules • GO:0022415 viral process • cell-cell junction organization • viral entry • tight junction organization Sources:Amigo / QuickGO
Orthologs
Species	Human	Mouse
Entrez	9080	56863
Ensembl	ENSG00000213937	ENSMUSG00000066720
UniProt	O95484	Q9Z0S7
RefSeq (mRNA)	NM_020982	NM_020293
RefSeq (protein)	NP_066192	NP_064689
Location (UCSC)	Chr 16: 3.01 – 3.01 Mb	Chr 17: 23.68 – 23.68 Mb
PubMed search	[3]	[4]
Wikidata
View/Edit Human View/Edit Mouse

This gene is involved in hearing.[8]

References

1. GRCh38: Ensembl release 89: ENSG00000213937 - Ensembl, May 2017
2. GRCm38: Ensembl release 89: ENSMUSG00000066720 - 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.
5. Peacock RE, Keen TJ, Inglehearn CF (Mar 1998). "Analysis of a human gene homologous to rat ventral prostate.1 protein". Genomics. 46 (3): 443–9. doi:10.1006/geno.1997.5033. PMID 9441748.
6. Meertens L, Bertaux C, Cukierman L, Cormier E, Lavillette D, Cosset FL, Dragic T (Mar 2008). "The tight junction proteins claudin-1, -6, and -9 are entry cofactors for hepatitis C virus". J Virol. 82 (7): 3555–60. doi:10.1128/JVI.01977-07. PMC 2268462. PMID 18234789.
7. "Entrez Gene: CLDN9 claudin 9".
8. Gene discovery reveals a critical protein's function in hearing

External links

• Human CLDN9 genome location and CLDN9 gene details page in the UCSC Genome Browser.

Further reading

• Kniesel U, Wolburg H (2000). "Tight junctions of the blood–brain barrier". Cell. Mol. Neurobiol. 20 (1): 57–76. doi:10.1023/A:1006995910836. PMID 10690502.
• Heiskala M, Peterson PA, Yang Y (2001). "The roles of claudin superfamily proteins in paracellular transport". Traffic. 2 (2): 93–8. doi:10.1034/j.1600-0854.2001.020203.x. PMID 11247307.
• Tsukita S, Furuse M, Itoh M (2001). "Multifunctional strands in tight junctions". Nat. Rev. Mol. Cell Biol. 2 (4): 285–93. doi:10.1038/35067088. PMID 11283726.
• Tsukita S, Furuse M (2003). "Claudin-based barrier in simple and stratified cellular sheets". Curr. Opin. Cell Biol. 14 (5): 531–6. doi:10.1016/S0955-0674(02)00362-9. PMID 12231346.
• González-Mariscal L, Betanzos A, Nava P, Jaramillo BE (2003). "Tight junction proteins". Prog. Biophys. Mol. Biol. 81 (1): 1–44. doi:10.1016/S0079-6107(02)00037-8. PMID 12475568.
• Yi X, Wang Y, Yu FS (2000). "Corneal epithelial tight junctions and their response to lipopolysaccharide challenge". Invest. Ophthalmol. Vis. Sci. 41 (13): 4093–100. PMID 11095601.
• Kiuchi-Saishin Y, Gotoh S, Furuse M, et al. (2002). "Differential expression patterns of claudins, tight junction membrane proteins, in mouse nephron segments". J. Am. Soc. Nephrol. 13 (4): 875–86. PMID 11912246.
• Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
• Katoh M, Katoh M (2004). "CLDN23 gene, frequently down-regulated in intestinal-type gastric cancer, is a novel member of CLAUDIN gene family". Int. J. Mol. Med. 11 (6): 683–9. doi:10.3892/ijmm.11.6.683. PMID 12736707.
• Ban Y, Dota A, Cooper LJ, et al. (2003). "Tight junction-related protein expression and distribution in human corneal epithelium". Exp. Eye Res. 76 (6): 663–9. doi:10.1016/S0014-4835(03)00054-X. PMID 12742348.
• Kitajiri SI, Furuse M, Morita K, et al. (2004). "Expression patterns of claudins, tight junction adhesion molecules, in the inner ear". Hear. Res. 187 (1–2): 25–34. doi:10.1016/S0378-5955(03)00338-1. PMID 14698084.
• Ota T, Suzuki Y, Nishikawa T, et al. (2004). "Complete sequencing and characterization of 21,243 full-length human cDNAs". Nat. Genet. 36 (1): 40–5. doi:10.1038/ng1285. PMID 14702039.
• Gerhard DS, Wagner L, Feingold EA, et al. (2004). "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334.
• Zheng A, Yuan F, Li Y, et al. (2007). "Claudin-6 and claudin-9 function as additional coreceptors for hepatitis C virus". J. Virol. 81 (22): 12465–71. doi:10.1128/JVI.01457-07. PMC 2169001. PMID 17804490.
• Liu F, Koval M, Ranganathan S, Fanayan S, Hancock WS, Lundberg EK, Beavis RC, Lane L, Duek P, McQuade L, Kelleher NL, Baker MS (2015). "A systems proteomics view of the endogenous human claudin protein family". J Proteome Res. doi:10.1021/acs.jproteome.5b00769. PMC 4777318. PMID 26680015.