The photoreceptor cell-specific nuclear receptor (PNR), also known as NR2E3 (nuclear receptor subfamily 2, group E, member 3), is a protein that in humans is encoded by the NR2E3gene.[1] PNR is a member of the nuclear receptor super family of intracellulartranscription factors.
PNR is exclusively expressed in the retina. The main target genes of PNR are rhodopsin and several opsins which are essential for sight.[2]
Clinical significance
Mutations in the NR2E3 gene have been linked to several inherited retinal diseases, including enhanced S-cone syndrome (ESCS),[3] a form of retinitis pigmentosa,[4] and Goldmann-Favre syndrome.[5]
↑Haider NB, Jacobson SG, Cideciyan AV, Swiderski R, Streb LM, Searby C, Beck G, Hockey R, Hanna DB, Gorman S, Duhl D, Carmi R, Bennett J, Weleber RG, Fishman GA, Wright AF, Stone EM, Sheffield VC (Feb 2000). "Mutation of a nuclear receptor gene, NR2E3, causes enhanced S cone syndrome, a disorder of retinal cell fate". Nature Genetics. 24 (2): 127–31. doi:10.1038/72777. PMID10655056.
↑Gerber S, Rozet JM, Takezawa SI, dos Santos LC, Lopes L, Gribouval O, Penet C, Perrault I, Ducroq D, Souied E, Jeanpierre M, Romana S, Frézal J, Ferraz F, Yu-Umesono R, Munnich A, Kaplan J (Sep 2000). "The photoreceptor cell-specific nuclear receptor gene (PNR) accounts for retinitis pigmentosa in the Crypto-Jews from Portugal (Marranos), survivors from the Spanish Inquisition". Human Genetics. 107 (3): 276–84. doi:10.1007/s004390000350. PMID11071390.
Haider NB, Jacobson SG, Cideciyan AV, Swiderski R, Streb LM, Searby C, Beck G, Hockey R, Hanna DB, Gorman S, Duhl D, Carmi R, Bennett J, Weleber RG, Fishman GA, Wright AF, Stone EM, Sheffield VC (Feb 2000). "Mutation of a nuclear receptor gene, NR2E3, causes enhanced S cone syndrome, a disorder of retinal cell fate". Nature Genetics. 24 (2): 127–31. doi:10.1038/72777. PMID10655056.
Rendtorff ND, Vissing H, Tümer Z, Silahtaroglu A, Tommerup N (2000). "Assignment of the NR2E3 gene to mouse chromosome 9 and to human chromosome 15q22.33-->q23". Cytogenetics and Cell Genetics. 89 (3–4): 279–80. doi:10.1159/000015635. PMID10965145.
Gerber S, Rozet JM, Takezawa SI, dos Santos LC, Lopes L, Gribouval O, Penet C, Perrault I, Ducroq D, Souied E, Jeanpierre M, Romana S, Frézal J, Ferraz F, Yu-Umesono R, Munnich A, Kaplan J (Sep 2000). "The photoreceptor cell-specific nuclear receptor gene (PNR) accounts for retinitis pigmentosa in the Crypto-Jews from Portugal (Marranos), survivors from the Spanish Inquisition". Human Genetics. 107 (3): 276–84. doi:10.1007/s004390000350. PMID11071390.
Haider NB, Naggert JK, Nishina PM (Aug 2001). "Excess cone cell proliferation due to lack of a functional NR2E3 causes retinal dysplasia and degeneration in rd7/rd7 mice". Human Molecular Genetics. 10 (16): 1619–26. doi:10.1093/hmg/10.16.1619. PMID11487564.
Sharon D, Sandberg MA, Caruso RC, Berson EL, Dryja TP (Sep 2003). "Shared mutations in NR2E3 in enhanced S-cone syndrome, Goldmann-Favre syndrome, and many cases of clumped pigmentary retinal degeneration". Archives of Ophthalmology. 121 (9): 1316–23. doi:10.1001/archopht.121.9.1316. PMID12963616.
Cheng H, Khanna H, Oh EC, Hicks D, Mitton KP, Swaroop A (Aug 2004). "Photoreceptor-specific nuclear receptor NR2E3 functions as a transcriptional activator in rod photoreceptors". Human Molecular Genetics. 13 (15): 1563–75. doi:10.1093/hmg/ddh173. PMID15190009.
Bumsted O'Brien KM, Cheng H, Jiang Y, Schulte D, Swaroop A, Hendrickson AE (Aug 2004). "Expression of photoreceptor-specific nuclear receptor NR2E3 in rod photoreceptors of fetal human retina". Investigative Ophthalmology & Visual Science. 45 (8): 2807–12. doi:10.1167/iovs.03-1317. PMID15277507.
Wright AF, Reddick AC, Schwartz SB, Ferguson JS, Aleman TS, Kellner U, Jurklies B, Schuster A, Zrenner E, Wissinger B, Lennon A, Shu X, Cideciyan AV, Stone EM, Jacobson SG, Swaroop A (Nov 2004). "Mutation analysis of NR2E3 and NRL genes in Enhanced S Cone Syndrome". Human Mutation. 24 (5): 439. doi:10.1002/humu.9285. PMID15459973.
Chen J, Rattner A, Nathans J (Jan 2005). "The rod photoreceptor-specific nuclear receptor Nr2e3 represses transcription of multiple cone-specific genes". The Journal of Neuroscience. 25 (1): 118–29. doi:10.1523/JNEUROSCI.3571-04.2005. PMID15634773.
Peng GH, Ahmad O, Ahmad F, Liu J, Chen S (Mar 2005). "The photoreceptor-specific nuclear receptor Nr2e3 interacts with Crx and exerts opposing effects on the transcription of rod versus cone genes". Human Molecular Genetics. 14 (6): 747–64. doi:10.1093/hmg/ddi070. PMID15689355.
Hayashi T, Gekka T, Goto-Omoto S, Takeuchi T, Kubo A, Kitahara K (Dec 2005). "Novel NR2E3 mutations (R104Q, R334G) associated with a mild form of enhanced S-cone syndrome demonstrate compound heterozygosity". Ophthalmology. 112 (12): 2115. doi:10.1016/j.ophtha.2005.07.002. PMID16225923.
Olsen JV, Blagoev B, Gnad F, Macek B, Kumar C, Mortensen P, Mann M (Nov 2006). "Global, in vivo, and site-specific phosphorylation dynamics in signaling networks". Cell. 127 (3): 635–48. doi:10.1016/j.cell.2006.09.026. PMID17081983.