Metabotropic glutamate receptor 8
Metabotropic glutamate receptor 8is aproteinthat in humans is encoded by theGRM8gene.[5][6]
Function[edit]
L-glutamateis the majorexcitatory neurotransmitterin thecentral nervous systemand activates bothionotropicandmetabotropic glutamate receptors.Glutamatergicneurotransmission is involved in most aspects of normal brain function and can be perturbed in manyneuropathologicconditions. The metabotropic glutamate receptors are a family ofG protein-coupled receptors,that have been divided into 3 groups on the basis of sequence homology, putative signal transduction mechanisms, and pharmacologic properties. Group I includesGRM1andGRM5and these receptors have been shown to activate phospholipase C. Group II includesGRM2andGRM3while Group III includesGRM4,GRM6,GRM7and GRM8. Group II and III receptors are linked to the inhibition of thecyclic AMPcascade but differ in their agonist selectivities. Alternativesplice variantsof GRM8 have been described but their full-length nature has not been determined.[6]
Ligands[edit]
- (S)-3,4-DCPG:agonist[7]
- AZ12216052:positive allosteric modulator[8]
See also[edit]
References[edit]
- ^abcGRCh38: Ensembl release 89: ENSG00000179603–Ensembl,May 2017
- ^abcGRCm38: Ensembl release 89: ENSMUSG00000024211–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.
- ^Scherer SW, Duvoisin RM, Kuhn R, Heng HH, Belloni E, Tsui LC (January 1996)."Localization of two metabotropic glutamate receptor genes, GRM3 and GRM8, to human chromosome 7q".Genomics.31(2): 230–233.doi:10.1006/geno.1996.0036.PMID8824806.
- ^ab"Entrez Gene: GRM8 glutamate receptor, metabotropic 8".
- ^Thomas NK, Wright RA, Howson PA, Kingston AE, Schoepp DD, Jane DE (March 2001). "(S)-3,4-DCPG, a potent and selective mGlu8a receptor agonist, activates metabotropic glutamate receptors on primary afferent terminals in the neonatal rat spinal cord".Neuropharmacology.40(3): 311–318.doi:10.1016/S0028-3908(00)00169-6.PMID11166323.S2CID2872874.
- ^Duvoisin RM, Pfankuch T, Wilson JM, Grabell J, Chhajlani V, Brown DG, et al. (October 2010)."Acute pharmacological modulation of mGluR8 reduces measures of anxiety".Behavioural Brain Research.212(2): 168–173.doi:10.1016/j.bbr.2010.04.006.PMC2892883.PMID20385173.
Further reading[edit]
- Scherer SW, Soder S, Duvoisin RM, Huizenga JJ, Tsui LC (September 1997)."The human metabotropic glutamate receptor 8 (GRM8) gene: a disproportionately large gene located at 7q31.3-q32.1".Genomics.44(2): 232–236.doi:10.1006/geno.1997.4842.PMID9299241.
- Wu S, Wright RA, Rockey PK, Burgett SG, Arnold JS, Rosteck PR, et al. (January 1998). "Group III human metabotropic glutamate receptors 4, 7 and 8: molecular cloning, functional expression, and comparison of pharmacological properties in RGT cells".Brain Research. Molecular Brain Research.53(1–2): 88–97.doi:10.1016/S0169-328X(97)00277-5.PMID9473604.
- Malherbe P, Kratzeisen C, Lundstrom K, Richards JG, Faull RL, Mutel V (April 1999). "Cloning and functional expression of alternative spliced variants of the human metabotropic glutamate receptor 8".Brain Research. Molecular Brain Research.67(2): 201–210.doi:10.1016/S0169-328X(99)00050-9.PMID10216218.
- Thomas NK, Wright RA, Howson PA, Kingston AE, Schoepp DD, Jane DE (March 2001). "(S)-3,4-DCPG, a potent and selective mGlu8a receptor agonist, activates metabotropic glutamate receptors on primary afferent terminals in the neonatal rat spinal cord".Neuropharmacology.40(3): 311–318.doi:10.1016/S0028-3908(00)00169-6.PMID11166323.S2CID2872874.
- Enz R (March 2002)."The actin-binding protein Filamin-A interacts with the metabotropic glutamate receptor type 7".FEBS Letters.514(2–3): 184–188.doi:10.1016/S0014-5793(02)02361-X.PMID11943148.S2CID44474808.
- Tang Z, El Far O, Betz H, Scheschonka A (November 2005)."Pias1 interaction and sumoylation of metabotropic glutamate receptor 8".The Journal of Biological Chemistry.280(46): 38153–38159.doi:10.1074/jbc.M508168200.PMID16144832.
- Kobayashi Y, Akiyoshi J, Kanehisa M, Ichioka S, Tanaka Y, Tsuru J, et al. (February 2007). "Lack of polymorphism in genes encoding mGluR 7, mGluR 8, GABA(A) receptor alfa-6 subunit and nociceptin/orphanin FQ receptor and panic disorder".Psychiatric Genetics.17(1): 9.doi:10.1097/YPG.0b013e32801118bc.PMID17167337.
This article incorporates text from theUnited States National Library of Medicine,which is in thepublic domain.