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Huot P. Targeting metabotropic glutamate receptors for the treatment of Parkinson's disease. Neurodegener Dis Manag 2023. [PMID: 37306283 DOI: 10.2217/nmt-2023-0016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023] Open
Affiliation(s)
- Philippe Huot
- Neurodegenerative Disease Group, Montreal Neurological Institute-Hospital (The Neuro), Montreal, QC, H3A 2B4, Canada
- Department of Neurology & Neurosurgery, McGill University, Montreal, QC, H3A 2B4, Canada
- Department of Neuroscience, Movement Disorder Clinic, Division of Neurology, McGill University Health Centre, Montreal, QC, H3A 2B4, Canada
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Celli R, Striano P, Citraro R, Di Menna L, Cannella M, Imbriglio T, Koko M, Consortium EEC, De Sarro G, Monn JA, Battaglia G, van Luijtelaar G, Nicoletti F, Russo E, Leo A. mGlu3 Metabotropic Glutamate Receptors as a Target for the Treatment of Absence Epilepsy: Preclinical and Human Genetics Data. Curr Neuropharmacol 2023; 21:105-118. [PMID: 35579153 PMCID: PMC10193767 DOI: 10.2174/1570159x20666220509160511] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/16/2022] [Accepted: 02/18/2022] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND Previous studies suggest that different metabotropic glutamate (mGlu) receptor subtypes are potential drug targets for treating absence epilepsy. However, no information is available on mGlu3 receptors. OBJECTIVE To examine whether (i) changes of mGlu3 receptor expression/signaling are found in the somatosensory cortex and thalamus of WAG/Rij rats developing spontaneous absence seizures; (ii) selective activation of mGlu3 receptors with LY2794193 affects the number and duration of spikewave discharges (SWDs) in WAG/Rij rats; and (iii) a genetic variant of GRM3 (encoding the mGlu3 receptor) is associated with absence epilepsy. METHODS Animals: immunoblot analysis of mGlu3 receptors, GAT-1, GLAST, and GLT-1; realtime PCR analysis of mGlu3 mRNA levels; assessment of mGlu3 receptor signaling; EEG analysis of SWDs; assessment of depressive-like behavior. Humans: search for GRM3 and GRM5 missense variants in 196 patients with absence epilepsy or other Idiopathic Generalized Epilepsy (IGE)/ Genetic Generalized Epilepsy (GGE) and 125,748 controls. RESULTS mGlu3 protein levels and mGlu3-mediated inhibition of cAMP formation were reduced in the thalamus and somatosensory cortex of pre-symptomatic (25-27 days old) and symptomatic (6-7 months old) WAG/Rij rats compared to age-matched controls. Treatment with LY2794193 (1 or 10 mg/kg, i.p.) reduced absence seizures and depressive-like behavior in WAG/Rij rats. LY2794193 also enhanced GAT1, GLAST, and GLT-1 protein levels in the thalamus and somatosensory cortex. GRM3 and GRM5 gene variants did not differ between epileptic patients and controls. CONCLUSION We suggest that mGlu3 receptors modulate the activity of the cortico-thalamo-cortical circuit underlying SWDs and that selective mGlu3 receptor agonists are promising candidate drugs for absence epilepsy treatment.
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Affiliation(s)
| | - Pasquale Striano
- Department Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, Genova, Italy
- I.R.C.C.S. “G. Gaslini” Institute, Genova, Italy
| | - Rita Citraro
- University of Catanzaro, School of Medicine, Science of Health Department, FAS@UMG Research Center, Catanzaro, Italy
| | | | | | | | - Mahmoud Koko
- Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research, University of Tuebingen, Tuebingen, Germany
| | | | - Giovambattista De Sarro
- University of Catanzaro, School of Medicine, Science of Health Department, FAS@UMG Research Center, Catanzaro, Italy
| | | | - Giuseppe Battaglia
- I.R.C.C.S. Neuromed, Pozzilli, Italy
- Department of Physiology and Pharmacology, University Sapienza, Rome, Italy
| | | | - Ferdinando Nicoletti
- I.R.C.C.S. Neuromed, Pozzilli, Italy
- Department of Physiology and Pharmacology, University Sapienza, Rome, Italy
| | - Emilio Russo
- University of Catanzaro, School of Medicine, Science of Health Department, FAS@UMG Research Center, Catanzaro, Italy
| | - Antonio Leo
- University of Catanzaro, School of Medicine, Science of Health Department, FAS@UMG Research Center, Catanzaro, Italy
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Mastroiacovo F, Zinni M, Mascio G, Bruno V, Battaglia G, Pansiot J, Imbriglio T, Mairesse J, Baud O, Nicoletti F. Genetic Deletion of mGlu3 Metabotropic Glutamate Receptors Amplifies Ischemic Brain Damage and Associated Neuroinflammation in Mice. Front Neurol 2021; 12:668877. [PMID: 34220677 PMCID: PMC8248796 DOI: 10.3389/fneur.2021.668877] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 04/29/2021] [Indexed: 12/14/2022] Open
Abstract
Backgroud: Type-3 metabotropic glutamate (mGlu3) receptors are found in both neurons and glial cells and regulate synaptic transmission, astrocyte function, and microglial reactivity. Here we show that the genetic deletion of mGlu3 receptors amplifies ischemic brain damage and associated neuroinflammation in adult mice. An increased infarct size was observed in mGlu3-/- mice of both CD1 and C57Black strains 24 h following a permanent occlusion of the middle cerebral artery (MCA) as compared to their respective wild-type (mGlu3+/+ mice) counterparts. Increases in the expression of selected pro-inflammatory genes including those encoding interleukin-1β, type-2 cycloxygenase, tumor necrosis factor-α, CD86, and interleukin-6 were more prominent in the peri-infarct region of mGlu3-/- mice. In contrast, the expression of two genes associated with the anti-inflammatory phenotype of microglia (those encoding the mannose-1-phosphate receptor and the α-subunit of interleukin-4 receptor) and the gene encoding the neuroprotective factor, glial cell line-derived neurotrophic factor, was enhanced in the peri-infarct region of wild-type mice, but not mGlu3-/- mice, following MCA occlusion. In C57Black mice, the genetic deletion of mGlu3 receptors worsened the defect in the paw placement test as assessed in the contralateral forepaw at short times (4 h) following MCA occlusion. These findings suggest that mGlu3 receptors are protective against ischemic brain damage and support the way to the use of selective mGlu3 receptor agonists or positive allosteric modulators in experimental animal models of ischemic stroke.
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Affiliation(s)
| | - Manuela Zinni
- Inserm UMR1141 NeuroDiderot, University of Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - Giada Mascio
- Department of Molecular Pathology, I.R.C.C.S. Neuromed, Pozzilli, Italy
| | - Valeria Bruno
- Department of Molecular Pathology, I.R.C.C.S. Neuromed, Pozzilli, Italy.,Department of Physiology and Pharmacology, Sapienza University of Rome, Rome, Italy
| | - Giuseppe Battaglia
- Department of Molecular Pathology, I.R.C.C.S. Neuromed, Pozzilli, Italy.,Department of Physiology and Pharmacology, Sapienza University of Rome, Rome, Italy
| | - Julien Pansiot
- Inserm UMR1141 NeuroDiderot, University of Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - Tiziana Imbriglio
- Department of Molecular Pathology, I.R.C.C.S. Neuromed, Pozzilli, Italy
| | - Jerome Mairesse
- Inserm UMR1141 NeuroDiderot, University of Paris Diderot, Sorbonne Paris Cité, Paris, France.,Laboratory of Child Growth and Development, University of Geneva, Geneva, Switzerland
| | - Olivier Baud
- Inserm UMR1141 NeuroDiderot, University of Paris Diderot, Sorbonne Paris Cité, Paris, France.,Laboratory of Child Growth and Development, University of Geneva, Geneva, Switzerland.,Division of Neonatology and Pediatric Intensive Care, Children's University Hospital of Geneva, Geneva, Switzerland
| | - Ferdinando Nicoletti
- Department of Molecular Pathology, I.R.C.C.S. Neuromed, Pozzilli, Italy.,Department of Physiology and Pharmacology, Sapienza University of Rome, Rome, Italy
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Imbriglio T, Verhaeghe R, Martinello K, Pascarelli MT, Chece G, Bucci D, Notartomaso S, Quattromani M, Mascio G, Scalabrì F, Simeone A, Maccari S, Del Percio C, Wieloch T, Fucile S, Babiloni C, Battaglia G, Limatola C, Nicoletti F, Cannella M. Developmental abnormalities in cortical GABAergic system in mice lacking mGlu3 metabotropic glutamate receptors. FASEB J 2019; 33:14204-14220. [PMID: 31665922 DOI: 10.1096/fj.201901093rrr] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Polymorphic variants of the gene encoding for metabotropic glutamate receptor 3 (mGlu3) are linked to schizophrenia. Because abnormalities of cortical GABAergic interneurons lie at the core of the pathophysiology of schizophrenia, we examined whether mGlu3 receptors influence the developmental trajectory of cortical GABAergic transmission in the postnatal life. mGlu3-/- mice showed robust changes in the expression of interneuron-related genes in the prefrontal cortex (PFC), including large reductions in the expression of parvalbumin (PV) and the GluN1 subunit of NMDA receptors. The number of cortical cells enwrapped by perineuronal nets was increased in mGlu3-/- mice, suggesting that mGlu3 receptors shape the temporal window of plasticity of PV+ interneurons. Electrophysiological measurements of GABAA receptor-mediated responses revealed a more depolarized reversal potential of GABA currents in the somata of PFC pyramidal neurons in mGlu3-/- mice at postnatal d 9 associated with a reduced expression of the K+/Cl- symporter. Finally, adult mGlu3-/- mice showed lower power in electroencephalographic rhythms at 1-45 Hz in quiet wakefulness as compared with their wild-type counterparts. These findings suggest that mGlu3 receptors have a strong impact on the development of cortical GABAergic transmission and cortical neural synchronization mechanisms corroborating the concept that genetic variants of mGlu3 receptors may predispose to psychiatric disorders.-Imbriglio, T., Verhaeghe, R., Martinello, K., Pascarelli, M. T., Chece, G., Bucci, D., Notartomaso, S., Quattromani, M., Mascio, G., Scalabrì, F., Simeone, A., Maccari, S., Del Percio, C., Wieloch, T., Fucile, S., Babiloni, C., Battaglia, G., Limatola, C., Nicoletti, F., Cannella, M. Developmental abnormalities in cortical GABAergic system in mice lacking mGlu3 metabotropic glutamate receptors.
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Affiliation(s)
- Tiziana Imbriglio
- Department of Physiology and Pharmacology "V. Erspamer" University Sapienza of Rome, Rome, Italy
| | - Remy Verhaeghe
- Department of Physiology and Pharmacology "V. Erspamer" University Sapienza of Rome, Rome, Italy
| | - Katiuscia Martinello
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, Italy
| | - Maria Teresa Pascarelli
- Department of Physiology and Pharmacology "V. Erspamer" University Sapienza of Rome, Rome, Italy.,Oasi Research Institute - Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Troina, Italy
| | - Giuseppina Chece
- Department of Physiology and Pharmacology "V. Erspamer" University Sapienza of Rome, Rome, Italy
| | - Domenico Bucci
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, Italy
| | - Serena Notartomaso
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, Italy
| | - Miriana Quattromani
- Laboratory for Experimental Brain Research, Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Giada Mascio
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, Italy
| | - Francesco Scalabrì
- Istituto di Ricerca Biologia Molecolare (IRBM) Science Park S.p.A., Pomezia, Rome, Italy
| | - Antonio Simeone
- Institute of Genetics and Biophysics "Adriano Buzzati-Traverso", Centro Nazionale Ricerche (CNR), Naples, Italy
| | - Stefania Maccari
- Department of Science and Medical-Surgical Biotechnology, University Sapienza of Rome, Rome, Italy.,University of Lille, Centre National de la Recherche Scientifique (CNRS), Unité Mixte de Recherche (UMR) 8576, UGSF, Unité de Glycobiologie Structurale et Fonctionnelle, Lille, France
| | - Claudio Del Percio
- Department of Physiology and Pharmacology "V. Erspamer" University Sapienza of Rome, Rome, Italy
| | - Tadeusz Wieloch
- Oasi Research Institute - Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Troina, Italy
| | - Sergio Fucile
- Department of Physiology and Pharmacology "V. Erspamer" University Sapienza of Rome, Rome, Italy.,Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, Italy
| | - Claudio Babiloni
- Department of Physiology and Pharmacology "V. Erspamer" University Sapienza of Rome, Rome, Italy.,Hospital San Raffaele Cassino, Cassino, Italy
| | - Giuseppe Battaglia
- Department of Physiology and Pharmacology "V. Erspamer" University Sapienza of Rome, Rome, Italy.,Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, Italy
| | - Cristina Limatola
- Department of Physiology and Pharmacology "V. Erspamer" University Sapienza of Rome, Rome, Italy.,Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, Italy
| | - Ferdinando Nicoletti
- Department of Physiology and Pharmacology "V. Erspamer" University Sapienza of Rome, Rome, Italy.,Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, Italy
| | - Milena Cannella
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Neuromed, Pozzilli, Italy
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