A novel metabotropic glutamate receptor expressed in the retina and olfactory bulb.
- Authors
- Duvoisin, R M; Zhang, C; Ramonell, K
- Year
- 1995
- Journal
- The Journal of neuroscience : the official journal of the Society for Neuroscience
- PMID
- 7722646
- DOI
- 10.1523/JNEUROSCI.15-04-03075.1995
- PMCID
- PMC6577763
A novel metabotropic glutamate receptor, mGluR8, was identified by screening a mouse retina cDNA library. This receptor is most related to mGluR4, mGluR7, and mGluR6 (74%, 74%, and 70% identical amino acid residues, respectively). Similar to these receptors, stimulation by L-glutamate or L-2-amino-4-phosphonobutyrate (L-APB) of Chinese hamster ovary (CHO) cells stably transfected with mGluR8 result in the inhibition of forskolin-stimulated adenylyl cyclase. In situ hybridization studies revealed a strong expression of the mGluR8 gene in the olfactory bulb, accessory olfactory bulb, and mammillary body. A weaker expression was found in the retina, and in scattered cells in the cortex and hindbrain. During development, the distribution of mGluR8 expression was more widespread. These results extend the diversity of metabotropic glutamate receptors in the CNS. Because at least two APB receptors are expressed in the retina, the use of this drug to block selectively the ON pathway needs to be reconsidered. The pharmacology and expression of mGluR8 in mitral/tufted cells suggest it could be a presynaptic receptor modulating glutamate release by these cells at their axon terminals in the entorhinal cortex.
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|---|---|---|
| Association of single nucleotide polymorphisms in a glutamate receptor gene (GRM8) with theta power of event-related oscillations and alcohol dependence. | 2009 | 18618593 |
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| Group I metabotropic glutamate receptors mGluR1alpha and mGluR5a: localization in both synaptic layers of the rat retina. | Koulen P et al. | β | 1997 | β |
| Immunolocalization of metabotropic glutamate receptor 7 in the rat olfactory bulb. | Kinzie JM et al. | β | 1997 | β |
| Impairment of pupillary responses and optokinetic nystagmus in the mGluR6-deficient mouse. | Iwakabe H et al. | β | 1997 | β |
| Inhibition of AMPA receptor-stimulated 57Co2+ influx by D- and L-2-amino-4-phosphonobutanoic acid (D- and L-AP4) and L-serine-O-phosphate (L-SOP) in cultured cerebellar granule cells. | Toms NJ et al. | β | 1997 | β |
| Localization of mGluR4 protein in the rat cerebral cortex and hippocampus. | Phillips T et al. | β | 1997 | β |
| Metabotropic glutamate receptor agonists alter neuronal excitability and Ca2+ levels via the phospholipase C transduction pathway in cultured Purkinje neurons. | Netzeband JG et al. | β | 1997 | β |
| Metabotropic glutamate receptor agonists evoke calcium waves in isolated MΓΌller cells. | Keirstead SA et al. | β | 1997 | β |
| Metabotropic glutamate receptor mRNA expression in rat spinal cord. | Valerio A et al. | β | 1997 | β |
| Metabotropic glutamate receptors modulate synaptic transmission in the perforant path: pharmacology and localization of two distinct receptors. | Dietrich D et al. | β | 1997 | β |
| Metabotropic glutamate receptors regulate N-methyl-D-aspartate-mediated synaptic transmission in nucleus accumbens. | Martin G et al. | β | 1997 | β |
| Modulation of mEPSCs in olfactory bulb mitral cells by metabotropic glutamate receptors. | Schoppa NE et al. | β | 1997 | β |
| Pharmacological characterization of metabotropic glutamate receptors linked to the inhibition of adenylate cyclase activity in rat striatal slices. | Schaffhauser H et al. | β | 1997 | β |
| Pharmacology and functions of metabotropic glutamate receptors. | Conn PJ et al. | β | 1997 | β |
| Positive and negative coupling of the metabotropic glutamate receptors to a G protein-activated K+ channel, GIRK, in Xenopus oocytes. | Sharon D et al. | β | 1997 | β |
| Selective metabotropic receptor agonists distinguish non-ionotropic glutamate binding sites. | Testa CM et al. | β | 1997 | β |
| Subdivisions of the guinea-pig accessory olfactory bulb revealed by the combined method with immunohistochemistry, electrophysiological, and optical recordings. | Sugai T et al. | β | 1997 | β |
| The human metabotropic glutamate receptor 8 (GRM8) gene: a disproportionately large gene located at 7q31.3-q32.1. | Scherer SW et al. | β | 1997 | β |
| The L-AP4 receptor. | Thomsen C | β | 1997 | β |
| The mGluR6 5' upstream transgene sequence directs a cell-specific and developmentally regulated expression in retinal rod and ON-type cone bipolar cells. | Ueda Y et al. | β | 1997 | β |
| The pharmacology of amino-acid responses in septal neurons. | Kumamoto E | β | 1997 | β |
| The whole nucleotide sequence and chromosomal localization of the gene for human metabotropic glutamate receptor subtype 6. | Hashimoto T et al. | β | 1997 | β |
| Activation of metabotropic glutamate receptor type 2/3 suppresses transmission at rat hippocampal mossy fibre synapses. | Kamiya H et al. | β | 1996 | β |
| Activation of multiple metabotropic glutamate receptor subtypes prevents NMDA-induced excitotoxicity in rat hippocampal slices. | Pizzi M et al. | β | 1996 | β |
| Agonists of cyclic AMP-coupled metabotropic glutamate receptors in adult rat cortical slices. | Kemp MC et al. | β | 1996 | β |
| alpha-Methyl derivatives of serine-O-phosphate as novel, selective competitive metabotropic glutamate receptor antagonists. | Thomas NK et al. | β | 1996 | β |
| A metabotropic glutamate receptor agonist DCG-IV suppresses synaptic transmission at mossy fiber pathway of the guinea pig hippocampus. | Yoshino M et al. | β | 1996 | β |
| A new highly selective metabotropic excitatory amino acid agonist: 2-amino-4-(3-hydroxy-5-methylisoxazol-4-yl)butyric acid. | BrΓ€uner-Osborne H et al. | β | 1996 | β |
| Bioenergetics and glutamate excitotoxicity. | Greene JG et al. | β | 1996 | β |
| Cloning and characterization of a bifunctional metabotropic receptor activated by both extracellular calcium and glutamate. | Kubokawa K et al. | β | 1996 | β |
| Compartmental localization of a metabotropic glutamate receptor (mGluR7): two different active sites at a retinal synapse. | BrandstΓ€tter JH et al. | β | 1996 | β |
| Decrease in [Ca2+]c but not in cAMP Mediates L-AP4 inhibition of glutamate release: PKC-mediated suppression of this inhibitory pathway. | Herrero I et al. | β | 1996 | β |
| Glutamate receptors and development of the visual cortex: effect of metabotropic agonists on cAMP. | Flavin HJ et al. | β | 1996 | β |
| Group II and group III metabotropic glutamate receptors in the rat retina: distributions and developmental expression patterns. | Koulen P et al. | β | 1996 | β |
| Human metabotropic glutamate receptor type 7: molecular cloning and mRNA distribution in the CNS. | Makoff A et al. | β | 1996 | β |
| Immunohistochemical localization of a metabotropic glutamate receptor, mGluR7, in ganglion neurons of the rat; with special reference to the presence in glutamatergic ganglion neurons. | Li JL et al. | β | 1996 | β |
| L-AP4 (L-(+)-2-amino-4-phosphonobutyric acid) induced impairment of spatial learning in the rat is antagonized by MAP4 ((S)-2-amino-2-methyl-4-phosphonobutanoic acid). | HΓΆlscher C et al. | β | 1996 | β |
| Metabotropic glutamate receptor subtype 1A activates adenylate cyclase when expressed in baby hamster kidney cells. | Thomsen C | β | 1996 | β |
| Molecular characterization and localization of human metabotropic glutamate receptor type 3. | Makoff A et al. | β | 1996 | β |
| Molecular characterization and localization of human metabotropic glutamate receptor type 4. | Makoff A et al. | β | 1996 | β |
| Molecular cloning, functional expression, pharmacological characterization and chromosomal localization of the human metabotropic glutamate receptor type 3. | Emile L et al. | β | 1996 | β |
| Multiple actions of 1S,3R-ACPD in modulating endogenous synaptic transmission to spinal respiratory motoneurons. | Dong XW et al. | β | 1996 | β |
| Novel potent selective phenylglycine antagonists of metabotropic glutamate receptors. | Bedingfield JS et al. | β | 1996 | β |
| Perisynaptic location of metabotropic glutamate receptors mGluR1 and mGluR5 on dendrites and dendritic spines in the rat hippocampus. | Lujan R et al. | β | 1996 | β |
| Pharmacological antagonism of the actions of group II and III mGluR agonists in the lateral perforant path of rat hippocampal slices. | Bushell TJ et al. | β | 1996 | β |
| Potent antagonists at the L-AP4- and (1S,3S)-ACPD-sensitive presynaptic metabotropic glutamate receptors in the neonatal rat spinal cord. | Jane DE et al. | β | 1996 | β |
| Presynaptic localization of a metabotropic glutamate receptor, mGluR4a, in the cerebellar cortex: a light and electron microscope study in the rat. | Kinoshita A et al. | β | 1996 | β |
| Presynaptic localization of a metabotropic glutamate receptor, mGluR8, in the rhinencephalic areas: a light and electron microscope study in the rat. | Kinoshita A et al. | β | 1996 | β |
| Structure-activity relationships of new agonists and antagonists of different metabotropic glutamate receptor subtypes. | Sekiyama N et al. | β | 1996 | β |
| The effects of (RS)-alpha-cyclopropyl-4-phosphonophenylglycine ((RS)-CPPG), a potent and selective metabotropic glutamate receptor antagonist. | Toms NJ et al. | β | 1996 | β |
| The metabotropic glutamate receptors, mGluR2 and mGluR3, show unique postsynaptic, presynaptic and glial localizations. | Petralia RS et al. | β | 1996 | β |
| The second intracellular loop of metabotropic glutamate receptor 1 cooperates with the other intracellular domains to control coupling to G-proteins. | Gomeza J et al. | β | 1996 | β |
| Two components of metabotropic glutamate responses in acutely dissociated CA3 pyramidal neurons of the rat. | Harata N et al. | β | 1996 | β |
| [3H]-L-2-amino-4-phosphonobutyrate labels a metabotropic glutamate receptor, mGluR4a. | Eriksen L et al. | β | 1995 | β |
| Get receptive to metabotropic glutamate receptors. | Pin JP et al. | β | 1995 | β |
| The metabotropic glutamate receptors: structure and functions. | Pin JP et al. | β | 1995 | β |