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Montalban E, Giralt A, Taing L, Nakamura Y, Pelosi A, Brown M, de Pins B, Valjent E, Martin M, Nairn AC, Greengard P, Flajolet M, Hervé D, Gambardella N, Roussarie JP, Girault JA. Operant Training for Highly Palatable Food Alters Translating Messenger RNA in Nucleus Accumbens D 2 Neurons and Reveals a Modulatory Role of Ncdn. Biol Psychiatry 2024; 95:926-937. [PMID: 37579933 PMCID: PMC11059129 DOI: 10.1016/j.biopsych.2023.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 08/04/2023] [Accepted: 08/04/2023] [Indexed: 08/16/2023]
Abstract
BACKGROUND Highly palatable food triggers behavioral responses including strong motivation. These effects involve the reward system and dopamine neurons, which modulate neurons in the nucleus accumbens (NAc). The molecular mechanisms underlying the long-lasting effects of highly palatable food on feeding behavior are poorly understood. METHODS We studied the effects of 2-week operant conditioning of mice with standard or isocaloric highly palatable food. We investigated the behavioral responses and dendritic spine modifications in the NAc. We compared the translating messenger RNA in NAc neurons identified by the type of dopamine receptors they express, depending on the kind of food and training. We tested the consequences of invalidation of an abundant downregulated gene, Ncdn. RESULTS Operant conditioning for highly palatable food increased motivation for food even in well-fed mice. In wild-type mice, free choice between regular and highly palatable food increased weight compared with access to regular food only. Highly palatable food increased spine density in the NAc. In animals trained for highly palatable food, translating messenger RNAs were modified in NAc neurons expressing dopamine D2 receptors, mostly corresponding to striatal projection neurons, but not in neurons expressing D1 receptors. Knockout of Ncdn, an abundant downregulated gene, opposed the conditioning-induced changes in satiety-sensitive feeding behavior and apparent motivation for highly palatable food, suggesting that downregulation may be a compensatory mechanism. CONCLUSIONS Our results emphasize the importance of messenger RNA alterations in D2 striatal projection neurons in the NAc in the behavioral consequences of highly palatable food conditioning and suggest a modulatory contribution of Ncdn downregulation.
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Affiliation(s)
- Enrica Montalban
- Institut National de la Santé et de la Recherche Médicale Unite Mixte de Recherche-S 1270, Paris, France; Faculty of Sciences and Engineering, Sorbonne Université, Paris, France; Institut du Fer à Moulin, Paris, France.
| | - Albert Giralt
- Institut National de la Santé et de la Recherche Médicale Unite Mixte de Recherche-S 1270, Paris, France; Faculty of Sciences and Engineering, Sorbonne Université, Paris, France; Institut du Fer à Moulin, Paris, France
| | - Lieng Taing
- Institut National de la Santé et de la Recherche Médicale Unite Mixte de Recherche-S 1270, Paris, France; Faculty of Sciences and Engineering, Sorbonne Université, Paris, France; Institut du Fer à Moulin, Paris, France
| | - Yuki Nakamura
- Institut National de la Santé et de la Recherche Médicale Unite Mixte de Recherche-S 1270, Paris, France; Faculty of Sciences and Engineering, Sorbonne Université, Paris, France; Institut du Fer à Moulin, Paris, France
| | - Assunta Pelosi
- Institut National de la Santé et de la Recherche Médicale Unite Mixte de Recherche-S 1270, Paris, France; Faculty of Sciences and Engineering, Sorbonne Université, Paris, France; Institut du Fer à Moulin, Paris, France
| | - Mallory Brown
- Laboratory of Molecular and Cellular Neuroscience, Rockefeller University, New York, New York
| | - Benoit de Pins
- Institut National de la Santé et de la Recherche Médicale Unite Mixte de Recherche-S 1270, Paris, France; Faculty of Sciences and Engineering, Sorbonne Université, Paris, France; Institut du Fer à Moulin, Paris, France
| | - Emmanuel Valjent
- Institut de Génomique Fonctionnelle, University of Montpellier, Centre National de la Recherche Scientifique, Institut National de la Santé et de la Recherche Médicale, Montpellier, France
| | - Miquel Martin
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain; Instituto de investigaciones médicas Hospital del Mar, Barcelona, Spain
| | - Angus C Nairn
- Department of Psychiatry, Yale School of Medicine, Connecticut Mental Health Center, New Haven, Connecticut
| | - Paul Greengard
- Laboratory of Molecular and Cellular Neuroscience, Rockefeller University, New York, New York
| | - Marc Flajolet
- Laboratory of Molecular and Cellular Neuroscience, Rockefeller University, New York, New York
| | - Denis Hervé
- Institut National de la Santé et de la Recherche Médicale Unite Mixte de Recherche-S 1270, Paris, France; Faculty of Sciences and Engineering, Sorbonne Université, Paris, France; Institut du Fer à Moulin, Paris, France
| | | | - Jean-Pierre Roussarie
- Laboratory of Molecular and Cellular Neuroscience, Rockefeller University, New York, New York
| | - Jean-Antoine Girault
- Institut National de la Santé et de la Recherche Médicale Unite Mixte de Recherche-S 1270, Paris, France; Faculty of Sciences and Engineering, Sorbonne Université, Paris, France; Institut du Fer à Moulin, Paris, France.
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Castell L, Le Gall V, Cutando L, Petit CP, Puighermanal E, Makrini-Maleville L, Kim HR, Jercog D, Tarot P, Tassou A, Harrus AG, Rubinstein M, Nouvian R, Rivat C, Besnard A, Trifilieff P, Gangarossa G, Janak PH, Herry C, Valjent E. Dopamine D2 receptors in WFS1-neurons regulate food-seeking and avoidance behaviors. Prog Neuropsychopharmacol Biol Psychiatry 2024; 129:110883. [PMID: 37858736 DOI: 10.1016/j.pnpbp.2023.110883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 10/09/2023] [Accepted: 10/16/2023] [Indexed: 10/21/2023]
Abstract
The selection and optimization of appropriate adaptive responses depends on interoceptive and exteroceptive stimuli as well as on the animal's ability to switch from one behavioral strategy to another. Although growing evidence indicate that dopamine D2R-mediated signaling events ensure the selection of the appropriate strategy for each specific situation, the underlying neural circuits through which they mediate these effects are poorly characterized. Here, we investigated the role of D2R signaling in a mesolimbic neuronal subpopulation expressing the Wolfram syndrome 1 (Wfs1) gene. This subpopulation is located within the nucleus accumbens, the central amygdala, the bed nucleus of the stria terminalis, and the tail of the striatum, all brain regions critical for the regulation of emotions and motivated behaviors. Using a mouse model carrying a temporally controlled deletion of D2R in WFS1-neurons, we demonstrate that intact D2R signaling in this neuronal population is necessary to regulate homeostasis-dependent food-seeking behaviors in both male and female mice. In addition, we found that reduced D2R signaling in WFS1-neurons impaired active avoidance learning and innate escape responses. Collectively, these findings identify a yet undocumented role for D2R signaling in WFS1-neurons as a novel effector through which dopamine optimizes appetitive behaviors and regulates defensive behaviors.
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Affiliation(s)
- Laia Castell
- IGF, Université, Montpellier, CNRS, Inserm, Montpellier F-34094, France; Department of Psychological and Brain Sciences, Krieger School of Arts and Sciences, Johns Hopkins University, Baltimore, MD 21218, USA.
| | - Valentine Le Gall
- Université, Bordeaux, Neurocentre Magendie, U1215, Bordeaux F-33077, France
| | - Laura Cutando
- IGF, Université, Montpellier, CNRS, Inserm, Montpellier F-34094, France
| | - Chloé P Petit
- INM, Université, Montpellier, Inserm, Montpellier F-34000, France
| | - Emma Puighermanal
- IGF, Université, Montpellier, CNRS, Inserm, Montpellier F-34094, France
| | | | - Ha-Rang Kim
- Université, Bordeaux, Neurocentre Magendie, U1215, Bordeaux F-33077, France
| | - Daniel Jercog
- Université, Bordeaux, Neurocentre Magendie, U1215, Bordeaux F-33077, France
| | - Pauline Tarot
- IGF, Université, Montpellier, CNRS, Inserm, Montpellier F-34094, France
| | - Adrien Tassou
- INM, Université, Montpellier, Inserm, Montpellier F-34000, France
| | | | - Marcelo Rubinstein
- Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, CONICET; FCEN, Universidad de Buenos Aires, Buenos Aires, Argentina; Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Régis Nouvian
- INM, Université, Montpellier, Inserm, Montpellier F-34000, France
| | - Cyril Rivat
- INM, Université, Montpellier, Inserm, Montpellier F-34000, France
| | - Antoine Besnard
- IGF, Université, Montpellier, CNRS, Inserm, Montpellier F-34094, France
| | - Pierre Trifilieff
- Université, Bordeaux, INRAE, Bordeaux INP, NutriNeuro, Bordeaux F-33000, France
| | - Giuseppe Gangarossa
- Université Paris Cité, CNRS, Unité de Biologie Fonctionnelle et Adaptative, Paris F-75013, France; Institut Universitaire de France, France
| | - Patricia H Janak
- Department of Psychological and Brain Sciences, Krieger School of Arts and Sciences, Johns Hopkins University, Baltimore, MD 21218, USA; The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University, Baltimore, MD 21205, USA; Kavli Neuroscience Discovery Institute, Johns Hopkins University, Baltimore, MD 21205, USA
| | - Cyril Herry
- Université, Bordeaux, Neurocentre Magendie, U1215, Bordeaux F-33077, France
| | - Emmanuel Valjent
- IGF, Université, Montpellier, CNRS, Inserm, Montpellier F-34094, France.
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Heitzmann LD, Challe M, Perez J, Castell L, Galibert E, Martin AO, Valjent E, Veyrunes F. Genotypic sex shapes maternal care in the African pygmy mouse, Mus minutoides. Proc Biol Sci 2023; 290:20231224. [PMID: 37670585 PMCID: PMC10510450 DOI: 10.1098/rspb.2023.1224] [Citation(s) in RCA: 0] [Impact Index Per Article: 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: 06/01/2023] [Accepted: 08/03/2023] [Indexed: 09/07/2023] Open
Abstract
Sexually dimorphic behaviours, such as parental care, have long been thought to be mainly driven by gonadal hormones. In the past two decades, a few studies have challenged this view, highlighting the direct influence of the sex chromosome complement (XX versus XY or ZZ versus ZW). The African pygmy mouse, Mus minutoides, is a wild mouse species with naturally occurring XY sex reversal induced by a third, feminizing X* chromosome, leading to three female genotypes: XX, XX* and X*Y. Here, we show that sex reversal in X*Y females shapes a divergent maternal care strategy (maternal aggression, pup retrieval and nesting behaviours) from both XX and XX* females. Although neuroanatomical investigations were inconclusive, we show that the dopaminergic system in the anteroventral periventricular nucleus of the hypothalamus is worth investigating further as it may support differences in pup retrieval behaviour between females. Combining behaviours and neurobiology in a rodent subject to natural selection, we evaluate potential candidates for the neural basis of maternal behaviours and strengthen the underestimated role of the sex chromosomes in shaping sex differences in brain and behaviours. All things considered, we further highlight the emergence of a third sexual phenotype, challenging the binary view of phenotypic sexes.
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Affiliation(s)
- Louise D. Heitzmann
- ISEM, Institut des Sciences de l'Evolution de Montpellier, Université de Montpellier, CNRS, IRD, Montpellier, France
| | - Marie Challe
- ISEM, Institut des Sciences de l'Evolution de Montpellier, Université de Montpellier, CNRS, IRD, Montpellier, France
| | - Julie Perez
- ISEM, Institut des Sciences de l'Evolution de Montpellier, Université de Montpellier, CNRS, IRD, Montpellier, France
| | - Laia Castell
- IGF, Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Evelyne Galibert
- IGF, Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Agnès O. Martin
- IGF, Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Emmanuel Valjent
- IGF, Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Frédéric Veyrunes
- ISEM, Institut des Sciences de l'Evolution de Montpellier, Université de Montpellier, CNRS, IRD, Montpellier, France
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Espallergues J, Boubaker-Vitre J, Mignon A, Avrillon M, Le Bon-Jego M, Baufreton J, Valjent E. Spatiomolecular Characterization of Dopamine D2 Receptors Cells in the Mouse External Globus Pallidus. Curr Neuropharmacol 2023; 22:CN-EPUB-133040. [PMID: 37475558 PMCID: PMC11097984 DOI: 10.2174/1570159x21666230720121027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 03/07/2023] [Accepted: 04/10/2023] [Indexed: 07/22/2023] Open
Abstract
The external globus pallidus (GPe) is part of the basal ganglia circuit and plays a key role in controlling the actions. Although, many evidence indicate that dopamine through its activation of D2 receptors (D2Rs) modulates the GPe neuronal activity, the precise spatiomolecular characterization of cell populations expressing D2Rs in the mouse GPe is still lacking. By combining single molecule in situ hybridization, cell type-specific imaging analyses, and electrophysiology slice recordings, we found that GPe D2R cells are neurons preferentially localized in the caudal portion of GPe. These neu- rons comprising pallido-striatal, pallido-nigral, and pallido-cortical neurons segregate into two distinct populations displaying molecular and electrophysiological features of GPe GABAergic PV/NKX2.1 and cholinergic neurons respectively. By clarifying the spatial molecular identity of GPe D2R neurons in the mouse, this work provides the basis for future studies aiming at disentangling the action of do- pamine within the GPe.
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Affiliation(s)
| | | | - Audrey Mignon
- IGF, University Montpellier, CNRS, Inserm, F-34094 Montpellier, France
| | - Maelle Avrillon
- IGF, University Montpellier, CNRS, Inserm, F-34094 Montpellier, France
| | | | - Jerome Baufreton
- University Bordeaux, CNRS, IMN, UMR 5293, F-33000 Bordeaux, France
| | - Emmanuel Valjent
- IGF, University Montpellier, CNRS, Inserm, F-34094 Montpellier, France
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Medrano M, Allaoui W, Van Bulck M, Thys S, Makrini-Maleville L, Seuntjens E, De Vos WH, Valjent E, Gaszner B, Van Eeckhaut A, Smolders I, De Bundel D. Neuroanatomical characterization of the Nmu-Cre knock-in mice reveals an interconnected network of unique neuropeptidergic cells. Open Biol 2023; 13:220353. [PMID: 37311538 DOI: 10.1098/rsob.220353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 05/10/2023] [Indexed: 06/15/2023] Open
Abstract
Neuromedin U (NMU) is an evolutionary conserved neuropeptide that has been implicated in multiple processes, such as circadian regulation, energy homeostasis, reward processing and stress coping. Although the central expression of NMU has been addressed previously, the lack of specific and sensitive tools has prevented a comprehensive characterization of NMU-expressing neurons in the brain. We have generated a knock-in mouse model constitutively expressing Cre recombinase under the Nmu promoter. We have validated the model using a multi-level approach based on quantitative reverse-transcription polymerase chain reactions, in situ hybridization, a reporter mouse line and an adenoviral vector driving Cre-dependent expression of a fluorescent protein. Using the Nmu-Cre mouse, we performed a complete characterization of NMU expression in adult mouse brain, unveiling a potential midline NMU modulatory circuit with the ventromedial hypothalamic nucleus (VMH) as a key node. Moreover, immunohistochemical analysis suggested that NMU neurons in the VMH mainly constitute a unique population of hypothalamic cells. Taken together, our results suggest that Cre expression in the Nmu-Cre mouse model largely reflects NMU expression in the adult mouse brain, without altering endogenous NMU expression. Thus, the Nmu-Cre mouse model is a powerful and sensitive tool to explore the role of NMU neurons in mice.
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Affiliation(s)
- Mireia Medrano
- Center for Neurosciences, Department of Pharmaceutical Chemistry, Drug Analysis and Drug Information, Research Group Experimental Pharmacology, Vrije Universiteit Brussel, 1090 Brussels, Belgium
| | - Wissal Allaoui
- Center for Neurosciences, Department of Pharmaceutical Chemistry, Drug Analysis and Drug Information, Research Group Experimental Pharmacology, Vrije Universiteit Brussel, 1090 Brussels, Belgium
| | - Mathias Van Bulck
- Laboratory of Medical and Molecular Oncology, Vrije Universiteit Brussel, 1090 Brussels, Belgium
| | - Sofie Thys
- Department of Veterinary Sciences, Laboratory of Cell Biology and Histology and Antwerp Centre for Advanced Microscopy (ACAM), University of Antwerp, 2610 Antwerp, Belgium
| | | | - Eve Seuntjens
- Department of Biology, Laboratory of Developmental Neurobiology, KU Leuven, 3000 Leuven, Belgium
| | - Winnok H De Vos
- Department of Veterinary Sciences, Laboratory of Cell Biology and Histology and Antwerp Centre for Advanced Microscopy (ACAM), University of Antwerp, 2610 Antwerp, Belgium
- μNEURO Research Centre of Excellence, University of Antwerp, 2610 Antwerp, Belgium
- Antwerp Centre for Advanced Microscopy (ACAM), 2610 Wilrijk, Belgium
| | - Emmanuel Valjent
- IGF, Université de Montpellier, CNRS, Inserm, 34094 Montpellier, France
| | - Bálazs Gaszner
- Medical School, Research Group for Mood Disorders, Department of Anatomy and Centre for Neuroscience, University of Pécs, 7624 Pécs, Hungary
| | - Ann Van Eeckhaut
- Center for Neurosciences, Department of Pharmaceutical Chemistry, Drug Analysis and Drug Information, Research Group Experimental Pharmacology, Vrije Universiteit Brussel, 1090 Brussels, Belgium
| | - Ilse Smolders
- Center for Neurosciences, Department of Pharmaceutical Chemistry, Drug Analysis and Drug Information, Research Group Experimental Pharmacology, Vrije Universiteit Brussel, 1090 Brussels, Belgium
| | - Dimitri De Bundel
- Center for Neurosciences, Department of Pharmaceutical Chemistry, Drug Analysis and Drug Information, Research Group Experimental Pharmacology, Vrije Universiteit Brussel, 1090 Brussels, Belgium
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Giua G, Lassalle O, Makrini-Maleville L, Valjent E, Chavis P, Manzoni OJJ. Investigating cell-specific effects of FMRP deficiency on spiny projection neurons in a mouse model of Fragile X syndrome. Front Cell Neurosci 2023; 17:1146647. [PMID: 37323585 PMCID: PMC10264852 DOI: 10.3389/fncel.2023.1146647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 05/16/2023] [Indexed: 06/17/2023] Open
Abstract
Introduction Fragile X syndrome (FXS), resulting from a mutation in the Fmr1 gene, is the most common monogenic cause of autism and inherited intellectual disability. Fmr1 encodes the Fragile X Messenger Ribonucleoprotein (FMRP), and its absence leads to cognitive, emotional, and social deficits compatible with the nucleus accumbens (NAc) dysfunction. This structure is pivotal in social behavior control, consisting mainly of spiny projection neurons (SPNs), distinguished by dopamine D1 or D2 receptor expression, connectivity, and associated behavioral functions. This study aims to examine how FMRP absence differentially affects SPN cellular properties, which is crucial for categorizing FXS cellular endophenotypes. Methods We utilized a novel Fmr1-/y::Drd1a-tdTomato mouse model, which allows in-situ identification of SPN subtypes in FXS mice. Using RNA-sequencing, RNAScope and ex-vivo patch-clamp in adult male mice NAc, we comprehensively compared the intrinsic passive and active properties of SPN subtypes. Results Fmr1 transcripts and their gene product, FMRP, were found in both SPNs subtypes, indicating potential cell-specific functions for Fmr1. The study found that the distinguishing membrane properties and action potential kinetics typically separating D1- from D2-SPNs in wild-type mice were either reversed or abolished in Fmr1-/y::Drd1a-tdTomato mice. Interestingly, multivariate analysis highlighted the compound effects of Fmr1 ablation by disclosing how the phenotypic traits distinguishing each cell type in wild-type mice were altered in FXS. Discussion Our results suggest that the absence of FMRP disrupts the standard dichotomy characterizing NAc D1- and D2-SPNs, resulting in a homogenous phenotype. This shift in cellular properties could potentially underpin select aspects of the pathology observed in FXS. Therefore, understanding the nuanced effects of FMRP absence on SPN subtypes can offer valuable insights into the pathophysiology of FXS, opening avenues for potential therapeutic strategies.
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Affiliation(s)
- Gabriele Giua
- INMED, INSERM U1249, Marseille, France
- Aix-Marseille University, Marseille, France
- Cannalab “Cannabinoids Neuroscience Research International Associated Laboratory”, INSERM-Aix-Marseille University/Indiana University, Marseille, France
| | - Olivier Lassalle
- INMED, INSERM U1249, Marseille, France
- Aix-Marseille University, Marseille, France
- Cannalab “Cannabinoids Neuroscience Research International Associated Laboratory”, INSERM-Aix-Marseille University/Indiana University, Marseille, France
| | | | - Emmanuel Valjent
- IGF, University of Montpellier, INSERM, CNRS, Montpellier, France
| | - Pascale Chavis
- INMED, INSERM U1249, Marseille, France
- Aix-Marseille University, Marseille, France
- Cannalab “Cannabinoids Neuroscience Research International Associated Laboratory”, INSERM-Aix-Marseille University/Indiana University, Marseille, France
| | - Olivier J. J. Manzoni
- INMED, INSERM U1249, Marseille, France
- Aix-Marseille University, Marseille, France
- Cannalab “Cannabinoids Neuroscience Research International Associated Laboratory”, INSERM-Aix-Marseille University/Indiana University, Marseille, France
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Montalban E, Giralt A, Taing L, Nakamura Y, Pelosi A, Brown M, de Pins B, Valjent E, Martin M, Nairn AC, Greengard P, Flajolet M, Herv D, Gambardella N, Roussarie JP, Girault JA. Operant training for highly palatable food alters translating mRNA in nucleus accumbens D2 neurons and reveals a modulatory role of Neurochondrin. bioRxiv 2023:2023.03.07.531496. [PMID: 36945487 PMCID: PMC10028890 DOI: 10.1101/2023.03.07.531496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
BACKGROUND Highly palatable food triggers behavioral alterations reminiscent of those induced by addictive drugs. These effects involve the reward system and dopamine neurons, which modulate neurons in the nucleus accumbens (NAc). The molecular mechanisms underlying the effects of highly palatable food on feeding behavior are poorly understood. METHODS We studied the effects of 2-week operant conditioning of mice with standard or isocaloric highly palatable food. We investigated the behavioral effects and dendritic spine modifications in the NAc. We compared the translating mRNA in NAc neurons identified by the type of dopamine receptors they express, depending on the type of food and training. We tested the consequences of invalidation of an abundant downregulated gene, Ncdn (Neurochondrin). RESULTS Operant conditioning for highly palatable food increases motivation for food even in well-fed mice. In control mice, free access to regular or highly palatable food results in increased weight as compared to regular food only. Highly palatable food increases spine density in the NAc. In animals trained for highly palatable food, translating mRNAs are modified in NAc dopamine D2-receptor-expressing neurons, mostly corresponding to striatal projection neurons, but not in those expressing D1-receptors. Knock-out of Ncdn, an abundant down-regulated gene, opposes the conditioning-induced changes in satiety-sensitive feeding behavior and apparent motivation for highly palatable food, suggesting down-regulation may be a compensatory mechanism. CONCLUSIONS Our results emphasize the importance of mRNA alterations D2 striatal projection neurons in the NAc in the behavioral consequences of highly palatable food conditioning and suggest a modulatory contribution of Ncdn downregulation.
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Dupuy V, Prieur M, Pizzoccaro A, Margarido C, Valjent E, Bockaert J, Bouschet T, Marin P, Chaumont-Dubel S. Spatiotemporal dynamics of 5-HT 6 receptor ciliary localization during mouse brain development. Neurobiol Dis 2023; 176:105949. [PMID: 36496200 DOI: 10.1016/j.nbd.2022.105949] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/25/2022] [Accepted: 12/05/2022] [Indexed: 12/12/2022] Open
Abstract
The serotonin 5-HT6 receptor (5-HT6R) is a promising target to improve cognitive symptoms of psychiatric diseases of neurodevelopmental origin, such as autism spectrum disorders and schizophrenia. However, its expression and localization at different stages of brain development remain largely unknown, due to the lack of specific antibodies to detect endogenous 5-HT6R. Here, we used transgenic mice expressing a GFP-tagged 5-HT6R under the control of its endogenous promoter (Knock-in) as well as embryonic stem cells expressing the GFP-tagged receptor to extensively characterize its expression at cellular and subcellular levels during development. We show that the receptor is already expressed at E13.5 in the cortex, the striatum, the ventricular zone, and to a lesser extent the subventricular zone. In adulthood, it is preferentially found in projection neurons of the hippocampus and cerebral cortex, in striatal medium-sized spiny neurons, as well as in a large proportion of astrocytes, while it is expressed in a minor population of interneurons. Whereas the receptor is almost exclusively detected in the primary cilia of neurons at embryonic and adult stages and in differentiated stem cells, it is located in the somatodendritic compartment of neurons from some brain regions at the neonatal stage and in the soma of undifferentiated stem cells. Finally, knocking-out the receptor induces a shortening of the primary cilium, suggesting that it plays a role in its function. This study provides the first global picture of 5-HT6R expression pattern in the mouse brain at different developmental stages. It reveals dynamic changes in receptor localization in neurons at the neonatal stage, which might underlie its key role in neuronal differentiation and psychiatric disorders of neurodevelopmental origin.
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Affiliation(s)
- Vincent Dupuy
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Matthieu Prieur
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Anne Pizzoccaro
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Clara Margarido
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Emmanuel Valjent
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Joël Bockaert
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Tristan Bouschet
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Philippe Marin
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France
| | - Séverine Chaumont-Dubel
- Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM, Montpellier, France.
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9
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Onimus O, Valjent E, Fisone G, Gangarossa G. Haloperidol-Induced Immediate Early Genes in Striatopallidal Neurons Requires the Converging Action of cAMP/PKA/DARPP-32 and mTOR Pathways. Int J Mol Sci 2022; 23:ijms231911637. [PMID: 36232936 PMCID: PMC9569967 DOI: 10.3390/ijms231911637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 09/21/2022] [Accepted: 09/27/2022] [Indexed: 11/06/2022] Open
Abstract
Antipsychotics share the common pharmacological feature of antagonizing the dopamine 2 receptor (D2R), which is abundant in the striatum and involved in both the therapeutic and side effects of this drug’s class. The pharmacological blockade of striatal D2R, by disinhibiting the D2R-containing medium-sized spiny neurons (MSNs), leads to a plethora of molecular, cellular and behavioral adaptations, which are central in the action of antipsychotics. Here, we focused on the cell type-specific (D2R-MSNs) regulation of some striatal immediate early genes (IEGs), such as cFos, Arc and Zif268. Taking advantage of transgenic mouse models, pharmacological approaches and immunofluorescence analyses, we found that haloperidol-induced IEGs in the striatum required the synergistic activation of A2a (adenosine) and NMDA (glutamate) receptors. At the intracellular signaling level, we found that the PKA/DARPP-32 and mTOR pathways synergistically cooperate to control the induction of IEGs by haloperidol. By confirming and further expanding previous observations, our results provide novel insights into the regulatory mechanisms underlying the molecular/cellular action of antipsychotics in the striatum.
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Affiliation(s)
- Oriane Onimus
- Université Paris Cité, CNRS, Unité de Biologie Fonctionnelle et Adaptative, F-75013 Paris, France
| | - Emmanuel Valjent
- Institut de Génomique Fonctionnelle (IGF), Université de Montpellier, CNRS, Inserm, 34094 Montpellier, France
| | - Gilberto Fisone
- Department of Neuroscience, Karolinska Institutet, 17177 Stockholm, Sweden
| | - Giuseppe Gangarossa
- Université Paris Cité, CNRS, Unité de Biologie Fonctionnelle et Adaptative, F-75013 Paris, France
- Correspondence:
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10
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Pena-Leon V, Folgueira C, Barja-Fernández S, Pérez-Lois R, Da Silva Lima N, Martin M, Heras V, Martinez-Martinez S, Valero P, Iglesias C, Duquenne M, Al-Massadi O, Beiroa D, Souto Y, Fidalgo M, Sowmyalakshmi R, Guallar D, Cunarro J, Castelao C, Senra A, González-Saenz P, Vázquez-Cobela R, Leis R, Sabio G, Mueller-Fielitz H, Schwaninger M, López M, Tovar S, Casanueva FF, Valjent E, Diéguez C, Prevot V, Nogueiras R, Seoane LM. Prolonged breastfeeding protects from obesity by hypothalamic action of hepatic FGF21. Nat Metab 2022; 4:901-917. [PMID: 35879461 PMCID: PMC9314260 DOI: 10.1038/s42255-022-00602-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 06/08/2022] [Indexed: 12/25/2022]
Abstract
Early-life determinants are thought to be a major factor in the rapid increase of obesity. However, while maternal nutrition has been extensively studied, the effects of breastfeeding by the infant on the reprogramming of energy balance in childhood and throughout adulthood remain largely unknown. Here we show that delayed weaning in rat pups protects them against diet-induced obesity in adulthood, through enhanced brown adipose tissue thermogenesis and energy expenditure. In-depth metabolic phenotyping in this rat model as well as in transgenic mice reveals that the effects of prolonged suckling are mediated by increased hepatic fibroblast growth factor 21 (FGF21) production and tanycyte-controlled access to the hypothalamus in adulthood. Specifically, FGF21 activates GABA-containing neurons expressing dopamine receptor 2 in the lateral hypothalamic area and zona incerta. Prolonged breastfeeding thus constitutes a protective mechanism against obesity by affecting long-lasting physiological changes in liver-to-hypothalamus communication and hypothalamic metabolic regulation.
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Affiliation(s)
- Veronica Pena-Leon
- Endocrine Physiopathology Group, Instituto de Investigación Sanitaria de Santiago de Compostela, Complejo Hospitalario Universitario de Santiago/SERGAS, Santiago de Compostela, Spain
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, Spain
| | - Cintia Folgueira
- Endocrine Physiopathology Group, Instituto de Investigación Sanitaria de Santiago de Compostela, Complejo Hospitalario Universitario de Santiago/SERGAS, Santiago de Compostela, Spain
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, Spain
- CIBEROBN Physiopathology of Obesity and Nutrition, ISCIII, Santiago de Compostela, Spain
| | - Silvia Barja-Fernández
- Endocrine Physiopathology Group, Instituto de Investigación Sanitaria de Santiago de Compostela, Complejo Hospitalario Universitario de Santiago/SERGAS, Santiago de Compostela, Spain
| | - Raquel Pérez-Lois
- Endocrine Physiopathology Group, Instituto de Investigación Sanitaria de Santiago de Compostela, Complejo Hospitalario Universitario de Santiago/SERGAS, Santiago de Compostela, Spain
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, Spain
| | - Natália Da Silva Lima
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, Spain
| | - Marion Martin
- Laboratory of Development and Plasticity of the Neuroendocrine Brain, Inserm, University of Lille, Lille, France
| | - Violeta Heras
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, Spain
| | - Sara Martinez-Martinez
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, Spain
| | - Paola Valero
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, Spain
| | - Cristina Iglesias
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, Spain
| | - Mannon Duquenne
- Laboratory of Development and Plasticity of the Neuroendocrine Brain, Inserm, University of Lille, Lille, France
| | - Omar Al-Massadi
- Endocrine Physiopathology Group, Instituto de Investigación Sanitaria de Santiago de Compostela, Complejo Hospitalario Universitario de Santiago/SERGAS, Santiago de Compostela, Spain
- CIBEROBN Physiopathology of Obesity and Nutrition, ISCIII, Santiago de Compostela, Spain
| | - Daniel Beiroa
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, Spain
| | - Yara Souto
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, Spain
| | - Miguel Fidalgo
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, Spain
| | - Rasika Sowmyalakshmi
- Laboratory of Development and Plasticity of the Neuroendocrine Brain, Inserm, University of Lille, Lille, France
| | - Diana Guallar
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, Spain
| | - Juan Cunarro
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, Spain
| | - Cecilia Castelao
- Endocrine Physiopathology Group, Instituto de Investigación Sanitaria de Santiago de Compostela, Complejo Hospitalario Universitario de Santiago/SERGAS, Santiago de Compostela, Spain
- CIBEROBN Physiopathology of Obesity and Nutrition, ISCIII, Santiago de Compostela, Spain
| | - Ana Senra
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, Spain
| | - Patricia González-Saenz
- Endocrine Physiopathology Group, Instituto de Investigación Sanitaria de Santiago de Compostela, Complejo Hospitalario Universitario de Santiago/SERGAS, Santiago de Compostela, Spain
| | - Rocío Vázquez-Cobela
- Pediatrics Department, GI Pediatric Nutrition, Galicia Research Unit for Development, Growth and Human Nutrition, Complejo Hospitalario Universitario de Santiago, Santiago de Compostela, Spain
| | - Rosaura Leis
- Pediatrics Department, GI Pediatric Nutrition, Galicia Research Unit for Development, Growth and Human Nutrition, Complejo Hospitalario Universitario de Santiago, Santiago de Compostela, Spain
| | | | - Helge Mueller-Fielitz
- Institute for Experimental and Clinical Pharmacology and Toxicology, University of Lübeck, Lübeck, Germany
| | - Markus Schwaninger
- Institute for Experimental and Clinical Pharmacology and Toxicology, University of Lübeck, Lübeck, Germany
| | - Miguel López
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, Spain
- CIBEROBN Physiopathology of Obesity and Nutrition, ISCIII, Santiago de Compostela, Spain
| | - Sulay Tovar
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, Spain
- CIBEROBN Physiopathology of Obesity and Nutrition, ISCIII, Santiago de Compostela, Spain
| | - Felipe F Casanueva
- CIBEROBN Physiopathology of Obesity and Nutrition, ISCIII, Santiago de Compostela, Spain
| | - Emmanuel Valjent
- IGF, University of Montpellier, CNRS, Inserm, Montpellier, France
| | - Carlos Diéguez
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, Spain
- CIBEROBN Physiopathology of Obesity and Nutrition, ISCIII, Santiago de Compostela, Spain
| | - Vincent Prevot
- Laboratory of Development and Plasticity of the Neuroendocrine Brain, Inserm, University of Lille, Lille, France
| | - Rubén Nogueiras
- CIMUS, University of Santiago de Compostela-Instituto de Investigación Sanitaria de Santiago de Compostela, Santiago de Compostela, Spain.
- CIBEROBN Physiopathology of Obesity and Nutrition, ISCIII, Santiago de Compostela, Spain.
- Galician Agency of Innovation (GAIN), Xunta de Galicia, Santiago de Compostela, Spain.
| | - Luisa M Seoane
- Endocrine Physiopathology Group, Instituto de Investigación Sanitaria de Santiago de Compostela, Complejo Hospitalario Universitario de Santiago/SERGAS, Santiago de Compostela, Spain.
- CIBEROBN Physiopathology of Obesity and Nutrition, ISCIII, Santiago de Compostela, Spain.
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11
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Rubio FJ, Valjent E, Hope BT. Corrigendum: Editorial: Activated Synapses. Front Synaptic Neurosci 2022; 14:932503. [PMID: 35812795 PMCID: PMC9260674 DOI: 10.3389/fnsyn.2022.932503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 05/26/2022] [Indexed: 11/15/2022] Open
Affiliation(s)
- F. Javier Rubio
- Behavioral Neuroscience Research Branch, Neuronal Ensembles in Drug Addiction, NIDA Intramural Research Program, NIH, Bethesda, MD, United States
- *Correspondence: F. Javier Rubio
| | | | - Bruce T. Hope
- Behavioral Neuroscience Research Branch, Neuronal Ensembles in Drug Addiction, NIDA Intramural Research Program, NIH, Bethesda, MD, United States
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12
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Cutando L, Puighermanal E, Castell L, Tarot P, Belle M, Bertaso F, Arango-Lievano M, Ango F, Rubinstein M, Quintana A, Chédotal A, Mameli M, Valjent E. Cerebellar dopamine D2 receptors regulate social behaviors. Nat Neurosci 2022; 25:900-911. [PMID: 35710984 DOI: 10.1038/s41593-022-01092-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 05/10/2022] [Indexed: 01/18/2023]
Abstract
The cerebellum, a primary brain structure involved in the control of sensorimotor tasks, also contributes to higher cognitive functions including reward, emotion and social interaction. Although the regulation of these behaviors has been largely ascribed to the monoaminergic system in limbic regions, the contribution of cerebellar dopamine signaling in the modulation of these functions remains largely unknown. By combining cell-type-specific transcriptomics, histological analyses, three-dimensional imaging and patch-clamp recordings, we demonstrate that cerebellar dopamine D2 receptors (D2Rs) in mice are preferentially expressed in Purkinje cells (PCs) and regulate synaptic efficacy onto PCs. Moreover, we found that changes in D2R levels in PCs of male mice during adulthood alter sociability and preference for social novelty without affecting motor functions. Altogether, these findings demonstrate novel roles for D2R in PC function and causally link cerebellar D2R levels of expression to social behaviors.
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Affiliation(s)
- Laura Cutando
- IGF, Univ. Montpellier, CNRS, Inserm, Montpellier, France. .,Institut de Neurociències and Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Bellaterra, Spain.
| | - Emma Puighermanal
- IGF, Univ. Montpellier, CNRS, Inserm, Montpellier, France.,Institut de Neurociències, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Laia Castell
- IGF, Univ. Montpellier, CNRS, Inserm, Montpellier, France
| | - Pauline Tarot
- IGF, Univ. Montpellier, CNRS, Inserm, Montpellier, France
| | - Morgane Belle
- Institut de la Vision, Sorbonne Université, INSERM, CNRS, Paris, France
| | | | | | - Fabrice Ango
- IGF, Univ. Montpellier, CNRS, Inserm, Montpellier, France.,INM, Univ. Montpellier, CNRS, Inserm, Montpellier, France
| | - Marcelo Rubinstein
- Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, CONICET; FCEN, Universidad de Buenos Aires, Buenos Aires, Argentina; and Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Albert Quintana
- Institut de Neurociències and Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Alain Chédotal
- Institut de la Vision, Sorbonne Université, INSERM, CNRS, Paris, France
| | - Manuel Mameli
- Department of Fundamental Neuroscience, University of Lausanne, Lausanne, Switzerland.,Inserm UMR-S 1270, Paris, France
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13
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Haddad-Tóvolli R, Ramírez S, Muñoz-Moreno E, Milà-Guasch M, Miquel-Rio L, Pozo M, Chivite I, Altirriba J, Obri A, Gómez-Valadés AG, Toledo M, Eyre E, Bortolozzi A, Valjent E, Soria G, Claret M. Food craving-like episodes during pregnancy are mediated by accumbal dopaminergic circuits. Nat Metab 2022; 4:424-434. [PMID: 35379970 DOI: 10.1038/s42255-022-00557-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 02/22/2022] [Indexed: 12/22/2022]
Abstract
Preparation for motherhood requires a myriad of physiological and behavioural adjustments throughout gestation to provide an adequate environment for proper embryonic development1. Cravings for highly palatable foods are highly prevalent during pregnancy2 and contribute to the maintenance and development of gestational overweight or obesity3. However, the neurobiology underlying the distinct ingestive behaviours that result from craving specific foods remain unknown. Here we show that mice, similarly to humans, experience gestational food craving-like episodes. These episodes are associated with a brain connectivity reorganization that affects key components of the dopaminergic mesolimbic circuitry, which drives motivated appetitive behaviours and facilitates the perception of rewarding stimuli. Pregnancy engages a dynamic modulation of dopaminergic signalling through neurons expressing dopamine D2 receptors in the nucleus accumbens, which directly modulate food craving-like events. Importantly, persistent maternal food craving-like behaviour has long-lasting effects on the offspring, particularly in males, leading to glucose intolerance, increased body weight and increased susceptibility to develop eating disorders and anxiety-like behaviours during adulthood. Our results reveal the cognitively motivated nature of pregnancy food cravings and advocates for moderating emotional eating during gestation to prevent deterioration of the offspring's neuropsychological and metabolic health.
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Affiliation(s)
- Roberta Haddad-Tóvolli
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.
| | - Sara Ramírez
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Emma Muñoz-Moreno
- Experimental 7T MRI Unit, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Maria Milà-Guasch
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Lluis Miquel-Rio
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, Spain
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
- CIBER de Salud Mental (CIBERSAM), Madrid, Spain
| | - Macarena Pozo
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Iñigo Chivite
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Jordi Altirriba
- Laboratory of Metabolism, Department of Internal Medicine Specialties, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Arnaud Obri
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Alicia G Gómez-Valadés
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Miriam Toledo
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Elena Eyre
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Analia Bortolozzi
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, Spain
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
- CIBER de Salud Mental (CIBERSAM), Madrid, Spain
| | | | - Guadalupe Soria
- Experimental 7T MRI Unit, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
- Laboratory of Surgical Neuroanatomy, Faculty of Medicine and Health Sciences, Institute of Neurosciences, Universitat de Barcelona, Barcelona, Spain
- CIBER de Bioingeniera, Biomateriales y Nanomedicina (CIBER-BBN), Barcelona, Spain
| | - Marc Claret
- Neuronal Control of Metabolism (NeuCoMe) Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Barcelona, Spain.
- School of Medicine, Universitat de Barcelona, Barcelona, Spain.
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14
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Montalban E, Giralt A, Taing L, Schut EHS, Supiot LF, Castell L, Nakamura Y, de Pins B, Pelosi A, Goutebroze L, Tuduri P, Wang W, Neiburga KD, Vestito L, Castel J, Luquet S, Nairn AC, Hervé D, Heintz N, Martin C, Greengard P, Valjent E, Meye FJ, Gambardella N, Roussarie JP, Girault JA. Translational profiling of mouse dopaminoceptive neurons reveals region-specific gene expression, exon usage, and striatal prostaglandin E2 modulatory effects. Mol Psychiatry 2022; 27:2068-2079. [PMID: 35177825 PMCID: PMC10009708 DOI: 10.1038/s41380-022-01439-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 12/16/2021] [Accepted: 01/05/2022] [Indexed: 01/11/2023]
Abstract
Forebrain dopamine-sensitive (dopaminoceptive) neurons play a key role in movement, action selection, motivation, and working memory. Their activity is altered in Parkinson's disease, addiction, schizophrenia, and other conditions, and drugs that stimulate or antagonize dopamine receptors have major therapeutic applications. Yet, similarities and differences between the various neuronal populations sensitive to dopamine have not been systematically explored. To characterize them, we compared translating mRNAs in the dorsal striatum and nucleus accumbens neurons expressing D1 or D2 dopamine receptor and prefrontal cortex neurons expressing D1 receptor. We identified genome-wide cortico-striatal, striatal D1/D2 and dorso/ventral differences in the translating mRNA and isoform landscapes, which characterize dopaminoceptive neuronal populations. Expression patterns and network analyses identified novel transcription factors with presumptive roles in these differences. Prostaglandin E2 (PGE2) was a candidate upstream regulator in the dorsal striatum. We pharmacologically explored this hypothesis and showed that misoprostol, a PGE2 receptor agonist, decreased the excitability of D2 striatal projection neurons in slices, and diminished their activity in vivo during novel environment exploration. We found that misoprostol also modulates mouse behavior including by facilitating reversal learning. Our study provides powerful resources for characterizing dopamine target neurons, new information about striatal gene expression patterns and regulation. It also reveals the unforeseen role of PGE2 in the striatum as a potential neuromodulator and an attractive therapeutic target.
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Affiliation(s)
- Enrica Montalban
- Inserm UMR-S 1270, Paris, France.,Faculty of Sciences and Engineering, Sorbonne Université, Paris, France.,Institut du Fer à Moulin, Paris, France.,Université de Paris, CNRS, Unité de Biologie Fonctionnelle et Adaptative, Paris, France
| | - Albert Giralt
- Inserm UMR-S 1270, Paris, France.,Faculty of Sciences and Engineering, Sorbonne Université, Paris, France.,Institut du Fer à Moulin, Paris, France.,Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas, Madrid, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain.,Production and Validation Center of Advanced Therapies (Creatio), University of Barcelona, Barcelona, Spain
| | - Lieng Taing
- Inserm UMR-S 1270, Paris, France.,Faculty of Sciences and Engineering, Sorbonne Université, Paris, France.,Institut du Fer à Moulin, Paris, France.,UMR1166, Faculté de Médecine, Sorbonne University, Paris, France
| | - Evelien H S Schut
- Department of Translational Neuroscience, Brain Center, UMC Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Laura F Supiot
- Department of Translational Neuroscience, Brain Center, UMC Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Laia Castell
- IGF, CNRS, INSERM, University of Montpellier, Montpellier, France.,Department of Psychological and Brain Sciences, Krieger School of Arts and Sciences, Johns Hopkins University, Baltimore, MD, USA
| | - Yuki Nakamura
- Inserm UMR-S 1270, Paris, France.,Faculty of Sciences and Engineering, Sorbonne Université, Paris, France.,Institut du Fer à Moulin, Paris, France
| | - Benoit de Pins
- Inserm UMR-S 1270, Paris, France.,Faculty of Sciences and Engineering, Sorbonne Université, Paris, France.,Institut du Fer à Moulin, Paris, France.,Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot, Israel
| | - Assunta Pelosi
- Inserm UMR-S 1270, Paris, France.,Faculty of Sciences and Engineering, Sorbonne Université, Paris, France.,Institut du Fer à Moulin, Paris, France
| | - Laurence Goutebroze
- Inserm UMR-S 1270, Paris, France.,Faculty of Sciences and Engineering, Sorbonne Université, Paris, France.,Institut du Fer à Moulin, Paris, France
| | - Pola Tuduri
- IGF, CNRS, INSERM, University of Montpellier, Montpellier, France
| | - Wei Wang
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, New York, NY, USA.,Bioinformatics Resource Center, Rockefeller University, New York, NY, USA
| | - Katrina Daila Neiburga
- Babraham Institute, Cambridge, UK.,Bioinformatics Lab, Riga Stradins University, Riga, Latvia
| | - Letizia Vestito
- Babraham Institute, Cambridge, UK.,University College London, London, UK
| | - Julien Castel
- Université de Paris, CNRS, Unité de Biologie Fonctionnelle et Adaptative, Paris, France
| | - Serge Luquet
- Université de Paris, CNRS, Unité de Biologie Fonctionnelle et Adaptative, Paris, France
| | - Angus C Nairn
- Department of Psychiatry, Yale School of Medicine, Connecticut Mental Health Center, New Haven, CT, USA
| | - Denis Hervé
- Inserm UMR-S 1270, Paris, France.,Faculty of Sciences and Engineering, Sorbonne Université, Paris, France.,Institut du Fer à Moulin, Paris, France
| | - Nathaniel Heintz
- Laboratory of Molecular Biology, Howard Hughes Medical Institute, The Rockefeller University, New York, NY, USA
| | - Claire Martin
- Université de Paris, CNRS, Unité de Biologie Fonctionnelle et Adaptative, Paris, France
| | - Paul Greengard
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, New York, NY, USA
| | - Emmanuel Valjent
- IGF, CNRS, INSERM, University of Montpellier, Montpellier, France
| | - Frank J Meye
- Department of Translational Neuroscience, Brain Center, UMC Utrecht, Utrecht University, Utrecht, The Netherlands
| | | | - Jean-Pierre Roussarie
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, New York, NY, USA. .,Boston University School of Medicine, Department of Anatomy & Neurobiology, Boston, MA, USA.
| | - Jean-Antoine Girault
- Inserm UMR-S 1270, Paris, France. .,Faculty of Sciences and Engineering, Sorbonne Université, Paris, France. .,Institut du Fer à Moulin, Paris, France.
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15
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Rubio FJ, Valjent E, Hope BT. Editorial: Activated Synapses. Front Synaptic Neurosci 2022; 14:875904. [PMID: 35368246 PMCID: PMC8974573 DOI: 10.3389/fnsyn.2022.875904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 02/21/2022] [Indexed: 11/13/2022] Open
Affiliation(s)
- F. Javier Rubio
- Behavioral Neuroscience Research Branch, Neuronal Ensembles in Drug Addiction, NIDA Intramural Research Program, NIH, Bethesda, MD, United States
- *Correspondence: F. Javier Rubio
| | | | - Bruce T. Hope
- Behavioral Neuroscience Research Branch, Neuronal Ensembles in Drug Addiction, NIDA Intramural Research Program, NIH, Bethesda, MD, United States
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16
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Cutando L, Puighermanal E, Castell L, Tarot P, Bertaso F, Bonnavion P, Kerchove d'Exaerde A, Isingrini E, Galante M, Dallerac G, Pascoli V, Lüscher C, Giros B, Valjent E. Regulation of GluA1 phosphorylation by d-amphetamine and methylphenidate in the cerebellum. Addict Biol 2021; 26:e12995. [PMID: 33368923 DOI: 10.1111/adb.12995] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 10/21/2020] [Accepted: 11/13/2020] [Indexed: 01/14/2023]
Abstract
Prescription stimulants, such as d-amphetamine or methylphenidate are used to treat suffering from attention-deficit hyperactivity disorder (ADHD). They potently release dopamine (DA) and norepinephrine (NE) and cause phosphorylation of the α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor subunit GluA1 in the striatum. Whether other brain regions are also affected remains elusive. Here, we demonstrate that d-amphetamine and methylphenidate increase phosphorylation at Ser845 (pS845-GluA1) in the membrane fraction of mouse cerebellum homogenate. We identify Bergmann glial cells as the source of pS845-GluA1 and demonstrate a requirement for intact NE release. Consequently, d-amphetamine-induced pS845-GluA1 was prevented by β1-adenoreceptor antagonist, whereas the blockade of DA D1 receptor had no effect. Together, these results indicate that NE regulates GluA1 phosphorylation in Bergmann glial cells in response to prescription stimulants.
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Affiliation(s)
- Laura Cutando
- IGF University of Montpellier, CNRS, Inserm Montpellier France
| | - Emma Puighermanal
- IGF University of Montpellier, CNRS, Inserm Montpellier France
- Neurosciences Institute, Department of Cell Biology, Physiology and Immunology Autonomous University of Barcelona Barcelona Spain
| | - Laia Castell
- IGF University of Montpellier, CNRS, Inserm Montpellier France
| | - Pauline Tarot
- IGF University of Montpellier, CNRS, Inserm Montpellier France
| | | | - Patricia Bonnavion
- Laboratory of Neurophysiology, ULB Neuroscience Institute Université Libre de Bruxelles (ULB) Brussels Belgium
| | - Alban Kerchove d'Exaerde
- Laboratory of Neurophysiology, ULB Neuroscience Institute Université Libre de Bruxelles (ULB) Brussels Belgium
| | - Elsa Isingrini
- Integrative Neuroscience and Cognition Center University of Paris, CNRS Paris France
- Department of Psychiatry, Douglas Hospital McGill University Montreal Quebec Canada
| | - Micaela Galante
- Pharmacologie et Biochimie de la Synapse, Institut des Neurosciences Paris‐Saclay University of Paris‐Saclay, University of Paris‐Sud, CNRS, UMR Orsay France
| | - Glenn Dallerac
- Pharmacologie et Biochimie de la Synapse, Institut des Neurosciences Paris‐Saclay University of Paris‐Saclay, University of Paris‐Sud, CNRS, UMR Orsay France
| | - Vincent Pascoli
- Department of Basic Neurosciences, Medical Faculty University of Geneva Geneva Switzerland
| | - Christian Lüscher
- Department of Basic Neurosciences, Medical Faculty University of Geneva Geneva Switzerland
| | - Bruno Giros
- Integrative Neuroscience and Cognition Center University of Paris, CNRS Paris France
- Department of Psychiatry, Douglas Hospital McGill University Montreal Quebec Canada
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17
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Puighermanal E, Castell L, Girault JA, Valjent E. [Molecular heterogeneity of striatal D2 neurons]. Med Sci (Paris) 2021; 37:219-221. [PMID: 33739266 DOI: 10.1051/medsci/2021002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Emma Puighermanal
- Université de Montpellier, Institut de génomique fonctionnelle (IGF), CNRS, Inserm, 141 rue de la Cardonille, 34094 Montpellier, France
| | - Laia Castell
- Université de Montpellier, Institut de génomique fonctionnelle (IGF), CNRS, Inserm, 141 rue de la Cardonille, 34094 Montpellier, France
| | - Jean-Antoine Girault
- Institut du Fer à Moulin, Inserm UMRS 1270, Sorbonne Université, Faculté des Sciences, 75005 Paris, France
| | - Emmanuel Valjent
- Université de Montpellier, Institut de génomique fonctionnelle (IGF), CNRS, Inserm, 141 rue de la Cardonille, 34094 Montpellier, France
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18
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Rial D, Puighermanal E, Chazalon M, Valjent E, Schiffmann SN, de Kerchove d'Exaerde A. Mammalian Target of Rapamycin-RhoA Signaling Impairments in Direct Striatal Projection Neurons Induce Altered Behaviors and Striatal Physiology in Mice. Biol Psychiatry 2020; 88:945-954. [PMID: 32711953 DOI: 10.1016/j.biopsych.2020.05.029] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 05/18/2020] [Accepted: 05/21/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND As an integrator of molecular pathways, mTOR (mammalian target of rapamycin) has been associated with diseases including neurodevelopmental, psychiatric, and neurodegenerative disorders such as autism spectrum disorder, schizophrenia, and Huntington's disease. An important brain area involved in all these diseases is the striatum. However, the mechanisms behind how mTOR is involved in striatal physiology and its relative role in distinct neuronal populations in these striatal-related diseases still remain to be clarified. METHODS Using Drd1-Cre mTOR-conditional knockout male mice, we combined behavioral, biochemical, electrophysiological, and morphological analysis aiming to untangle the role of mTOR in direct pathway striatal projection neurons and how this would impact on striatal physiology. RESULTS Our results indicate deep behavioral changes in absence of mTOR in Drd1-expressing neurons such as decreased spontaneous locomotion, impaired social interaction, and decreased marble-burying behavior. These alterations were accompanied by a Kv1.1-induced increase in the fast phase of afterhyperpolarization and coincident decreased distal spine density in striatal direct pathway striatal projection neurons. The physiological changes were mechanistically independent of protein synthesis but sensitive to pharmacological blockade of transforming protein RhoA activity. CONCLUSIONS These results identify mTOR signaling as an important regulator of striatal functions through an intricate mechanism involving RhoA and culminating in Kv1.1 overfunction, which could be targeted to treat striatal-related monogenic disorders associated with the mTOR signaling pathway.
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Affiliation(s)
- Daniel Rial
- Laboratory of Neurophysiology, ULB Neuroscience Institute, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Emma Puighermanal
- Institut de Génétique Foncionnelle (IGF), Centre National de la Recherche Scientifique (CNRS), (Institut National de la Santé et de la Recherche Médicale (INSERM), University of Montpellier, Montpellier, France
| | - Marine Chazalon
- Laboratory of Neurophysiology, ULB Neuroscience Institute, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Emmanuel Valjent
- Institut de Génétique Foncionnelle (IGF), Centre National de la Recherche Scientifique (CNRS), (Institut National de la Santé et de la Recherche Médicale (INSERM), University of Montpellier, Montpellier, France
| | - Serge N Schiffmann
- Laboratory of Neurophysiology, ULB Neuroscience Institute, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Alban de Kerchove d'Exaerde
- Laboratory of Neurophysiology, ULB Neuroscience Institute, Université Libre de Bruxelles (ULB), Brussels, Belgium.
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19
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Valjent E, Gangarossa G. The Tail of the Striatum: From Anatomy to Connectivity and Function. Trends Neurosci 2020; 44:203-214. [PMID: 33243489 DOI: 10.1016/j.tins.2020.10.016] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 09/05/2020] [Accepted: 10/28/2020] [Indexed: 12/17/2022]
Abstract
The dorsal striatum, the largest subcortical structure of the basal ganglia, is critical in controlling motor, procedural, and reinforcement-based behaviors. Although in mammals the striatum extends widely along the rostro-caudal axis, current knowledge and derived theories about its anatomo-functional organization largely rely on results obtained from studies of its rostral sectors, leading to potentially oversimplified working models of the striatum as a whole. Recent findings indicate that the extreme caudal part of the striatum, also referred to as the tail of striatum (TS), represents an additional functional domain. Here, we provide an overview of past and recent studies revealing that the TS displays a heterogeneous cell-type-specific organization, and a unique input-output connectivity, which poises the TS as an integrator of sensory processing.
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Affiliation(s)
- Emmanuel Valjent
- IGF, University of Montpellier, CNRS, INSERM, Montpellier, France.
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20
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Martínez-Torres S, Cutando L, Pastor A, Kato A, Sakimura K, de la Torre R, Valjent E, Maldonado R, Kano M, Ozaita A. Monoacylglycerol lipase blockade impairs fine motor coordination and triggers cerebellar neuroinflammation through cyclooxygenase-2. Brain Behav Immun 2019; 81:399-409. [PMID: 31251974 DOI: 10.1016/j.bbi.2019.06.036] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 06/20/2019] [Accepted: 06/24/2019] [Indexed: 12/16/2022] Open
Abstract
Monoacylglycerol lipase (MAGL) is the main enzyme implicated in the degradation of the most abundant endocannabinoid in the brain, 2-arachidonoylglycerol (2-AG), producing arachidonic acid (AA) and glycerol. MAGL pharmacological inhibition with JZL184 or genetic deletion results in an exacerbated 2-AG signaling and reduced synthesis of prostaglandins (PGs), due to the reduced AA precursor levels. We found that acute JZL184 administration, previously described to exert anti-inflammatory effects, and MAGL knockout (KO) mice display cerebellar, but not hippocampal, microglial reactivity, accompanied with increased expression of the mRNA levels of neuroinflammatory markers, such as cyclooxygenase-2 (COX-2). Notably, this neuroinflammatory phenotype correlated with relevant motor coordination impairment in the beam-walking and the footprint tests. Treatment with the COX-2 inhibitor NS398 during 5 days prevented the deficits in cerebellar function and the cerebellar microglia reactivity in MAGL KO, without affecting hippocampal reactivity. Altogether, this study reveals the brain region-specific response to MAGL inhibition, with an important role of COX-2 in the cerebellar deficits associated, which should be taken into account for the use of MAGL inhibitors as anti-inflammatory drugs.
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Affiliation(s)
- Sara Martínez-Torres
- Laboratory of Neuropharmacology-NeuroPhar, Department of Experimental and Health Sciences, University Pompeu Fabra, Barcelona, Spain
| | - Laura Cutando
- Laboratory of Neuropharmacology-NeuroPhar, Department of Experimental and Health Sciences, University Pompeu Fabra, Barcelona, Spain; IGF, CNRS, INSERM, University of Montpellier, Montpellier, France
| | - Antoni Pastor
- Integrative Pharmacology and Systems Neuroscience, IMIM-Hospital del Mar Medical Research Institute, Barcelona, Spain
| | - Ako Kato
- Department of Neurophysiology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan
| | - Kenji Sakimura
- Department of Cellular Neurobiology, Brain Research Institute, Niigata University, Niigata 951-8585, Japan
| | - Rafael de la Torre
- Integrative Pharmacology and Systems Neuroscience, IMIM-Hospital del Mar Medical Research Institute, Barcelona, Spain
| | - Emmanuel Valjent
- IGF, CNRS, INSERM, University of Montpellier, Montpellier, France
| | - Rafael Maldonado
- Laboratory of Neuropharmacology-NeuroPhar, Department of Experimental and Health Sciences, University Pompeu Fabra, Barcelona, Spain
| | - Masanobu Kano
- Department of Neurophysiology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan
| | - Andrés Ozaita
- Laboratory of Neuropharmacology-NeuroPhar, Department of Experimental and Health Sciences, University Pompeu Fabra, Barcelona, Spain.
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21
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Gangarossa G, Castell L, Castro L, Tarot P, Veyrunes F, Vincent P, Bertaso F, Valjent E. Contrasting patterns of ERK activation in the tail of the striatum in response to aversive and rewarding signals. J Neurochem 2019; 151:204-226. [PMID: 31245856 DOI: 10.1111/jnc.14804] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 05/13/2019] [Accepted: 06/19/2019] [Indexed: 01/08/2023]
Abstract
The caudal part of the striatum, also named the tail of the striatum (TS), defines a fourth striatal domain. Determining whether rewarding, aversive and salient stimuli regulate the activity of striatal spiny projections neurons (SPNs) of the TS is therefore of paramount importance to understand its functions, which remain largely elusive. Taking advantage of genetically encoded biosensors (A-kinase activity reporter 3) to record protein kinase A signals and by analyzing the distribution of dopamine D1R- and D2R-SPNs in the TS, we characterized three subterritories: a D2R/A2aR-lacking, a D1R/D2R-intermingled and a D1R/D2R-SPNs-enriched area (corresponding to the amygdalostriatal transition). In addition, we provide evidence that the distribution of D1R- and D2R-SPNs in the TS is evolutionarily conserved (mouse, rat, gerbil). The in vivo analysis of extracellular signal-regulated kinase (ERK) phosphorylation in these TS subterritories in response to distinct appetitive, aversive and pharmacological stimuli revealed that SPNs of the TS are not recruited by stimuli triggering innate aversive responses, fasting, satiety, or palatable signals whereas a reduction in ERK phosphorylation occurred following learned avoidance. In contrast, D1R-SPNs of the intermingled and D2R/A2aR-lacking areas were strongly activated by both D1R agonists and psychostimulant drugs (d-amphetamine, cocaine, 3,4-methyl enedioxy methamphetamine, or methylphenidate), but not by hallucinogens. Finally, a similar pattern of ERK activation was observed by blocking selectively dopamine reuptake. Together, our results reveal that the caudal TS might participate in the processing of specific reward signals and discrete aversive stimuli. Cover Image for this issue: doi: 10.1111/jnc.14526. Open Science: This manuscript was awarded with the Open Materials Badge For more information see: https://cos.io/our-services/open-science-badges/.
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Affiliation(s)
- Giuseppe Gangarossa
- IGF, CNRS, INSERM, University of Montpellier, Montpellier, France.,Université de Paris, BFA, UMR 8251, CNRS, Paris, France
| | - Laia Castell
- IGF, CNRS, INSERM, University of Montpellier, Montpellier, France
| | - Liliana Castro
- Sorbonne Université, CNRS, Biological Adaptation and Ageing, Paris, France
| | - Pauline Tarot
- IGF, CNRS, INSERM, University of Montpellier, Montpellier, France
| | - Frederic Veyrunes
- Institut des Sciences de l'Evolution de Montpellier, ISEM, Université de Montpellier, CNRS, EPHE, IRD, Montpellier, France
| | - Pierre Vincent
- Sorbonne Université, CNRS, Biological Adaptation and Ageing, Paris, France
| | - Federica Bertaso
- IGF, CNRS, INSERM, University of Montpellier, Montpellier, France
| | - Emmanuel Valjent
- IGF, CNRS, INSERM, University of Montpellier, Montpellier, France
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22
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Folgueira C, Beiroa D, Porteiro B, Duquenne M, Puighermanal E, Fondevila MF, Barja-Fernández S, Gallego R, Hernández-Bautista R, Castelao C, Senra A, Seoane P, Gómez N, Aguiar P, Guallar D, Fidalgo M, Romero-Pico A, Adan R, Blouet C, Labandeira-García JL, Jeanrenaud F, Kallo I, Liposits Z, Salvador J, Prevot V, Dieguez C, Lopez M, Valjent E, Frühbeck G, Seoane LM, Nogueiras R. Hypothalamic dopamine signaling regulates brown fat thermogenesis. Nat Metab 2019; 1:811-829. [PMID: 31579887 PMCID: PMC6774781 DOI: 10.1038/s42255-019-0099-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Dopamine signaling is a crucial part of the brain reward system and can affect feeding behavior. Dopamine receptors are also expressed in the hypothalamus, which is known to control energy metabolism in peripheral tissues. Here we show that pharmacological or chemogenetic stimulation of dopamine receptor 2 (D2R) expressing cells in the lateral hypothalamic area (LHA) and the zona incerta (ZI) decreases body weight and stimulates brown fat activity in rodents in a feeding-independent manner. LHA/ZI D2R stimulation requires an intact sympathetic nervous system and orexin system to exert its action and involves inhibition of PI3K in the LHA/ZI. We further demonstrate that, as early as 3 months after onset of treatment, patients treated with the D2R agonist cabergoline experience an increase in energy expenditure that persists for one year, leading to total body weight and fat loss through a prolactin-independent mechanism. Our results may provide a mechanistic explanation for how clinically used D2R agonists act in the CNS to regulate energy balance.
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Affiliation(s)
- Cintia Folgueira
- Grupo Fisiopatología Endocrina, Instituto de Investigación Sanitaria de Santiago de Compostela, Complexo. Hospitalario Universitario de Santiago (CHUS/SERGAS), Instituto de Investigación Sanitaria, Santiago de Compostela, Travesía da Choupana s/n, 15706 Santiago de Compostela, Spain
- CIMUS, Universidade de Santiago de Compostela-Instituto de Investigación Sanitaria, Santiago de Compostela, 15782, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), 15706, Spain
| | - Daniel Beiroa
- CIMUS, Universidade de Santiago de Compostela-Instituto de Investigación Sanitaria, Santiago de Compostela, 15782, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), 15706, Spain
| | - Begoña Porteiro
- CIMUS, Universidade de Santiago de Compostela-Instituto de Investigación Sanitaria, Santiago de Compostela, 15782, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), 15706, Spain
| | - Manon Duquenne
- Jean-Pierre Aubert Research Center (JPArc), Laboratory of Development and Plasticity of the Neuroendocrine Brain, Inserm UMR-S 1172, Lille, France
| | | | - Marcos F Fondevila
- CIMUS, Universidade de Santiago de Compostela-Instituto de Investigación Sanitaria, Santiago de Compostela, 15782, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), 15706, Spain
| | - Silvia Barja-Fernández
- Grupo Fisiopatología Endocrina, Instituto de Investigación Sanitaria de Santiago de Compostela, Complexo. Hospitalario Universitario de Santiago (CHUS/SERGAS), Instituto de Investigación Sanitaria, Santiago de Compostela, Travesía da Choupana s/n, 15706 Santiago de Compostela, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), 15706, Spain
| | - Rosalia Gallego
- Department of Morphological Sciences, School of Medicine, University of Santiago de Compostela, S. Francisco s/n, 15782 Santiago de Compostela (A Coruña), Spain
| | - René Hernández-Bautista
- CIMUS, Universidade de Santiago de Compostela-Instituto de Investigación Sanitaria, Santiago de Compostela, 15782, Spain
| | - Cecilia Castelao
- Grupo Fisiopatología Endocrina, Instituto de Investigación Sanitaria de Santiago de Compostela, Complexo. Hospitalario Universitario de Santiago (CHUS/SERGAS), Instituto de Investigación Sanitaria, Santiago de Compostela, Travesía da Choupana s/n, 15706 Santiago de Compostela, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), 15706, Spain
| | - Ana Senra
- CIMUS, Universidade de Santiago de Compostela-Instituto de Investigación Sanitaria, Santiago de Compostela, 15782, Spain
| | - Patricia Seoane
- CIMUS, Universidade de Santiago de Compostela-Instituto de Investigación Sanitaria, Santiago de Compostela, 15782, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), 15706, Spain
| | - Noemi Gómez
- Molecular Imaging Group, Department of Psychiatry, Radiology and Public Health, Faculty of Medicine Universidade de Santiago de Compostela (USC), Santiago de Compostela 15782 Spain; Molecular Imaging Group. Health Research Institute of Santiago de Compostela (IDIS). Travesía da Choupana s/n Santiago de Compostela. Zip Code: 15706. Spain; Nuclear Medicine Department University Clinical Hospital Santiago de Compostela (SERGAS) (CHUS), Travesía Choupana s/n. Santiago de Compostela 15706 Spain
| | - Pablo Aguiar
- Molecular Imaging Group, Department of Psychiatry, Radiology and Public Health, Faculty of Medicine Universidade de Santiago de Compostela (USC), Santiago de Compostela 15782 Spain; Molecular Imaging Group. Health Research Institute of Santiago de Compostela (IDIS). Travesía da Choupana s/n Santiago de Compostela. Zip Code: 15706. Spain; Nuclear Medicine Department University Clinical Hospital Santiago de Compostela (SERGAS) (CHUS), Travesía Choupana s/n. Santiago de Compostela 15706 Spain
| | - Diana Guallar
- CIMUS, Universidade de Santiago de Compostela-Instituto de Investigación Sanitaria, Santiago de Compostela, 15782, Spain
| | - Miguel Fidalgo
- CIMUS, Universidade de Santiago de Compostela-Instituto de Investigación Sanitaria, Santiago de Compostela, 15782, Spain
| | - Amparo Romero-Pico
- CIMUS, Universidade de Santiago de Compostela-Instituto de Investigación Sanitaria, Santiago de Compostela, 15782, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), 15706, Spain
| | - Roger Adan
- Brain Center Rudolf Magnus, Department of Neuroscience and Pharmacology, University Medical Center Utrecht, Universiteitsweg 100, 3584 CG, Utrecht, The Netherlands
| | - Clemence Blouet
- MRC Metabolic Disease Unit. Institute of Metabolic Science. University of Cambridge, UK
| | - Jose Luís Labandeira-García
- CIMUS, Universidade de Santiago de Compostela-Instituto de Investigación Sanitaria, Santiago de Compostela, 15782, Spain
- Networking Research Center on Neurodegenerative Diseases, CIBERNED, Madrid, Spain
| | - Françoise Jeanrenaud
- Laboratory of Metabolism, Division of Endocrinology, Diabetology and Nutrition, Department of Internal Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Imre Kallo
- Laboratory of Endocrine Neurobiology, Institute of Experimental Medicine, HAS, 1083, Budapest, Hungary
| | - Zsolt Liposits
- Laboratory of Endocrine Neurobiology, Institute of Experimental Medicine, HAS, 1083, Budapest, Hungary
| | - Javier Salvador
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), 15706, Spain
- Department of Endocrinology & Nutrition, Clínica Universidad de Navarra & IdiSNA, Pamplona, Spain
| | - Vincent Prevot
- Jean-Pierre Aubert Research Center (JPArc), Laboratory of Development and Plasticity of the Neuroendocrine Brain, Inserm UMR-S 1172, Lille, France
| | - Carlos Dieguez
- CIMUS, Universidade de Santiago de Compostela-Instituto de Investigación Sanitaria, Santiago de Compostela, 15782, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), 15706, Spain
| | - Miguel Lopez
- CIMUS, Universidade de Santiago de Compostela-Instituto de Investigación Sanitaria, Santiago de Compostela, 15782, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), 15706, Spain
| | - Emmanuel Valjent
- IGF, Inserm, CNRS, Univ. Montpellier, F-34094 Montpellier, France
| | - Gema Frühbeck
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), 15706, Spain
- Department of Endocrinology & Nutrition, Clínica Universidad de Navarra & IdiSNA, Pamplona, Spain
| | - Luisa M Seoane
- Grupo Fisiopatología Endocrina, Instituto de Investigación Sanitaria de Santiago de Compostela, Complexo. Hospitalario Universitario de Santiago (CHUS/SERGAS), Instituto de Investigación Sanitaria, Santiago de Compostela, Travesía da Choupana s/n, 15706 Santiago de Compostela, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), 15706, Spain
| | - Ruben Nogueiras
- CIMUS, Universidade de Santiago de Compostela-Instituto de Investigación Sanitaria, Santiago de Compostela, 15782, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), 15706, Spain
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23
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Marion‐Poll L, Besnard A, Longueville S, Valjent E, Engmann O, Caboche J, Hervé D, Girault J. Cocaine conditioned place preference: unexpected suppression of preference due to testing combined with strong conditioning. Addict Biol 2019; 24:364-375. [PMID: 29318708 DOI: 10.1111/adb.12600] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 11/09/2017] [Accepted: 12/19/2017] [Indexed: 12/30/2022]
Abstract
Conditioned place preference (CPP) is widely used for evaluating the rewarding effects of drugs. Like other memories, CPP is proposed to undergo reconsolidation during which it is unstable and sensitive to pharmacological inhibition. Previous studies have shown that cocaine CPP can be apparently erased by extracellular signal-regulated kinase (ERK) pathway inhibition during cocaine reconditioning (re-exposure to the drug-paired environment in the presence of the drug). Here, we show that blockade of D1 receptors during reconditioning prevented ERK activation and induced a loss of CPP. However, we also unexpectedly observed a CPP disappearance in mice that underwent testing and reconditioning with cocaine alone, specifically in strong conditioning conditions. The loss was due to the intermediate test. CPP was not recovered with reconditioning or priming in the short term, but it spontaneously reappeared after a month. When we challenged the D1 antagonist-mediated erasure, we observed that both a high dose of cocaine and a first CPP test were required for this effect. Our results also suggest a balance between D1-dependent ERK pathway activation and an A2a-dependent mechanism in D2 striatal neurons in controlling CPP expression. Our data reveal that, paradoxically, a simple CPP test can induce a complete (but transient) loss of place preference following strong but not weak cocaine conditioning. This study emphasizes the complex nature of CPP memory and the importance of multiple parameters that must be taken into consideration when investigating reconsolidation.
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Affiliation(s)
- Lucile Marion‐Poll
- Inserm UMR‐S839 France
- Sorbonne Université, Université Pierre et Marie Curie (UPMC) France
- Institut du Fer à Moulin France
| | - Antoine Besnard
- Sorbonne Université, Université Pierre et Marie Curie (UPMC) France
- Inserm UMR‐S 1130, Neurosciences Paris Seine France
- CNRS UMR 8246 France
| | - Sophie Longueville
- Inserm UMR‐S839 France
- Sorbonne Université, Université Pierre et Marie Curie (UPMC) France
- Institut du Fer à Moulin France
| | | | - Olivia Engmann
- Inserm UMR‐S839 France
- Sorbonne Université, Université Pierre et Marie Curie (UPMC) France
- Institut du Fer à Moulin France
| | - Jocelyne Caboche
- Sorbonne Université, Université Pierre et Marie Curie (UPMC) France
- Inserm UMR‐S 1130, Neurosciences Paris Seine France
- CNRS UMR 8246 France
| | - Denis Hervé
- Inserm UMR‐S839 France
- Sorbonne Université, Université Pierre et Marie Curie (UPMC) France
- Institut du Fer à Moulin France
| | - Jean‐Antoine Girault
- Inserm UMR‐S839 France
- Sorbonne Université, Université Pierre et Marie Curie (UPMC) France
- Institut du Fer à Moulin France
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24
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Abstract
The striatum integrates dopamine-mediated reward signals to generate appropriate behavior in response to glutamate-mediated sensory cues. Such associative learning relies on enduring neural plasticity in striatal GABAergic spiny projection neurons which, when altered, can lead to the development of a wide variety of pathological states. Considerable progress has been made in our understanding of the intracellular signaling mechanisms in dopamine-related behaviors and pathologies. Through the prism of the regulation of histone H3 and ribosomal protein S6 phosphorylation, we review how dopamine-mediated signaling events regulate gene transcription and mRNA translation. Particularly, we focus on the intracellular cascades controlling these phosphorylations downstream of the modulation of dopamine receptors by psychostimulants, antipsychotics and l-DOPA. Finally, we highlight the importance to precisely determine in which neuronal populations these signaling events occur in order to understand how they participate in remodeling neural circuits and altering dopamine-related behaviors.
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Affiliation(s)
- Emmanuel Valjent
- IGF, CNRS, INSERM, University of Montpellier, Montpellier, France.
| | - Anne Biever
- Max Planck Institute for Brain Research, Frankfurt am Main, Germany
| | - Giuseppe Gangarossa
- Unité de Biologie Fonctionnelle et Adaptative, CNRS UMR 8251, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - Emma Puighermanal
- Department of Cell Biology, Physiology and Immunology, Institute of Neuroscience, Autonomous University of Barcelona, Barcelona, Spain
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25
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Rial D, Puighermanal E, Valjent E, Schiffmann S, De Kerchove D'Exaerde A. Specific gene deletion in the efferent striatal pathways confer electrophysiological, neuronal morphological and behavioral characteristics of ASD in mice. Front Neurosci 2019. [DOI: 10.3389/conf.fnins.2019.96.00085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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26
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Zussy C, Gómez-Santacana X, Rovira X, De Bundel D, Ferrazzo S, Bosch D, Asede D, Malhaire F, Acher F, Giraldo J, Valjent E, Ehrlich I, Ferraguti F, Pin JP, Llebaria A, Goudet C. Dynamic modulation of inflammatory pain-related affective and sensory symptoms by optical control of amygdala metabotropic glutamate receptor 4. Mol Psychiatry 2018; 23:509-520. [PMID: 27994221 DOI: 10.1038/mp.2016.223] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Revised: 10/06/2016] [Accepted: 10/14/2016] [Indexed: 12/30/2022]
Abstract
Contrary to acute pain, chronic pain does not serve as a warning signal and must be considered as a disease per se. This pathology presents a sensory and psychological dimension at the origin of affective and cognitive disorders. Being largely refractory to current pharmacotherapies, identification of endogenous systems involved in persistent and chronic pain is crucial. The amygdala is a key brain region linking pain sensation with negative emotions. Here, we show that activation of a specific intrinsic neuromodulatory system within the amygdala associated with type 4 metabotropic glutamate receptors (mGlu4) abolishes sensory and affective symptoms of persistent pain such as hypersensitivity to pain, anxiety- and depression-related behaviors, and fear extinction impairment. Interestingly, neuroanatomical and synaptic analysis of the amygdala circuitry suggests that the effects of mGlu4 activation occur outside the central nucleus via modulation of multisensory thalamic inputs to lateral amygdala principal neurons and dorso-medial intercalated cells. Furthermore, we developed optogluram, a small diffusible photoswitchable positive allosteric modulator of mGlu4. This ligand allows the control of endogenous mGlu4 activity with light. Using this photopharmacological approach, we rapidly and reversibly inhibited behavioral symptoms associated with persistent pain through optical control of optogluram in the amygdala of freely behaving animals. Altogether, our data identify amygdala mGlu4 signaling as a mechanism that bypasses central sensitization processes to dynamically modulate persistent pain symptoms. Our findings help to define novel and more precise therapeutic interventions for chronic pain, and exemplify the potential of optopharmacology to study the dynamic activity of endogenous neuromodulatory mechanisms in vivo.
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Affiliation(s)
- C Zussy
- Institut de Génomique Fonctionnelle, CNRS, UMR-5203, Université de Montpellier, Montpellier, France.,INSERM, U1191, Montpellier, France
| | - X Gómez-Santacana
- MCS, Laboratory of Medicinal Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Barcelona, Spain.,Laboratory of Molecular Neuropharmacology and Bioinformatics, Institut de Neurociències and Unitat de Bioestadística, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - X Rovira
- Institut de Génomique Fonctionnelle, CNRS, UMR-5203, Université de Montpellier, Montpellier, France.,INSERM, U1191, Montpellier, France
| | - D De Bundel
- Institut de Génomique Fonctionnelle, CNRS, UMR-5203, Université de Montpellier, Montpellier, France.,INSERM, U1191, Montpellier, France
| | - S Ferrazzo
- Department of Pharmacology, Innsbruck Medical University, Innsbruck, Austria
| | - D Bosch
- Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany.,Werner Reichardt Centre for Integrative Neuroscience, University of Tübingen, Tübingen, Germany
| | - D Asede
- Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany.,Werner Reichardt Centre for Integrative Neuroscience, University of Tübingen, Tübingen, Germany
| | - F Malhaire
- Institut de Génomique Fonctionnelle, CNRS, UMR-5203, Université de Montpellier, Montpellier, France.,INSERM, U1191, Montpellier, France
| | - F Acher
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, CNRS UMR8601, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - J Giraldo
- Laboratory of Molecular Neuropharmacology and Bioinformatics, Institut de Neurociències and Unitat de Bioestadística, Universitat Autònoma de Barcelona, Bellaterra, Spain.,Network Biomedical Research Center on Mental Health (CIBERSAM), Madrid, Spain
| | - E Valjent
- Institut de Génomique Fonctionnelle, CNRS, UMR-5203, Université de Montpellier, Montpellier, France.,INSERM, U1191, Montpellier, France
| | - I Ehrlich
- Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany.,Werner Reichardt Centre for Integrative Neuroscience, University of Tübingen, Tübingen, Germany
| | - F Ferraguti
- Department of Pharmacology, Innsbruck Medical University, Innsbruck, Austria
| | - J-P Pin
- Institut de Génomique Fonctionnelle, CNRS, UMR-5203, Université de Montpellier, Montpellier, France.,INSERM, U1191, Montpellier, France
| | - A Llebaria
- MCS, Laboratory of Medicinal Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Barcelona, Spain
| | - C Goudet
- Institut de Génomique Fonctionnelle, CNRS, UMR-5203, Université de Montpellier, Montpellier, France.,INSERM, U1191, Montpellier, France
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27
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Gutiérrez-Martos M, Girard B, Mendonça-Netto S, Perroy J, Valjent E, Maldonado R, Martin M. Cafeteria diet induces neuroplastic modifications in the nucleus accumbens mediated by microglia activation. Addict Biol 2018; 23:735-749. [PMID: 28872733 DOI: 10.1111/adb.12541] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 06/22/2017] [Accepted: 06/28/2017] [Indexed: 12/28/2022]
Abstract
High-palatable and caloric foods are widely overconsumed due to hedonic mechanisms that prevail over caloric necessities leading to overeating and overweight. The nucleus accumbens (NAc) is a key brain area modulating the reinforcing effects of palatable foods and is crucially involved in the development of eating disorders. We describe that prolonged exposure to high-caloric chocolate cafeteria diet leads to overeating and overweight in mice. NAc functionality was altered in these mice, presenting structural plasticity modifications in medium spiny neurons, increased expression of neuroinflammatory factors and activated microglia, and abnormal responses after amphetamine-induced hyperlocomotion. Chronic inactivation of microglia normalized these neurobiological and behavioural alterations exclusively in mice exposed to cafeteria diet. Our data suggest that prolonged exposure to cafeteria diet produces neuroplastic and functional changes in the NAc that can modify feeding behaviour. Microglia activation and neuroinflammation play an important role in the development of these neurobiological alterations.
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Affiliation(s)
- Miriam Gutiérrez-Martos
- Laboratory of Neuropharmacology (DCEXS); Parc de Recerca Biomèdica de Barcelona/Universitat Pompeu Fabra (PRBB/UPF); Spain
| | - Benoit Girard
- Pathophysiology of Synaptic Transmission Laboratory; Institut de Génomique Fonctionnelle; France
| | - Sueli Mendonça-Netto
- Laboratory of Neuropharmacology (DCEXS); Parc de Recerca Biomèdica de Barcelona/Universitat Pompeu Fabra (PRBB/UPF); Spain
| | - Julie Perroy
- Pathophysiology of Synaptic Transmission Laboratory; Institut de Génomique Fonctionnelle; France
| | - Emmanuel Valjent
- Inserm U1191, CNRS UMR5203, Laboratory of Neural Circuit and Signal Transduction; University Montpellier; France
| | - Rafael Maldonado
- Laboratory of Neuropharmacology (DCEXS); Parc de Recerca Biomèdica de Barcelona/Universitat Pompeu Fabra (PRBB/UPF); Spain
- IMIM (Hospital del Mar Medical Research Institute); Barcelona Spain
| | - Miquel Martin
- Laboratory of Neuropharmacology (DCEXS); Parc de Recerca Biomèdica de Barcelona/Universitat Pompeu Fabra (PRBB/UPF); Spain
- IMIM (Hospital del Mar Medical Research Institute); Barcelona Spain
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28
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De Bundel D, Pędzich B, Valjent E, Bécamel C. Modulation of fear expression by a psychedelic 5-HT2aR agonist. Front Neurosci 2018. [DOI: 10.3389/conf.fnins.2018.95.00080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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29
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Puighermanal E, Biever A, Pascoli V, Melser S, Pratlong M, Cutando L, Rialle S, Severac D, Boubaker-Vitre J, Meyuhas O, Marsicano G, Lüscher C, Valjent E. Ribosomal Protein S6 Phosphorylation Is Involved in Novelty-Induced Locomotion, Synaptic Plasticity and mRNA Translation. Front Mol Neurosci 2017; 10:419. [PMID: 29311811 PMCID: PMC5742586 DOI: 10.3389/fnmol.2017.00419] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [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: 08/17/2017] [Accepted: 12/01/2017] [Indexed: 11/29/2022] Open
Abstract
The phosphorylation of the ribosomal protein S6 (rpS6) is widely used to track neuronal activity. Although it is generally assumed that rpS6 phosphorylation has a stimulatory effect on global protein synthesis in neurons, its exact biological function remains unknown. By using a phospho-deficient rpS6 knockin mouse model, we directly tested the role of phospho-rpS6 in mRNA translation, plasticity and behavior. The analysis of multiple brain areas shows for the first time that, in neurons, phospho-rpS6 is dispensable for overall protein synthesis. Instead, we found that phospho-rpS6 controls the translation of a subset of mRNAs in a specific brain region, the nucleus accumbens (Acb), but not in the dorsal striatum. We further show that rpS6 phospho-mutant mice display altered long-term potentiation (LTP) in the Acb and enhanced novelty-induced locomotion. Collectively, our findings suggest a previously unappreciated role of phospho-rpS6 in the physiology of the Acb, through the translation of a selective subclass of mRNAs, rather than the regulation of general protein synthesis.
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Affiliation(s)
| | - Anne Biever
- IGF, CNRS, INSERM, University of Montpellier, Montpellier, France
| | - Vincent Pascoli
- Department of Basic Neurosciences, Medical Faculty, University of Geneva, Geneva, Switzerland
| | - Su Melser
- INSERM U1215, Université de Bordeaux, NeuroCentre Magendie, Bordeaux, France
| | - Marine Pratlong
- Montpellier GenomiX, BioCampus Montpellier, CNRS, INSERM, University of Montpellier, Montpellier, France
| | - Laura Cutando
- IGF, CNRS, INSERM, University of Montpellier, Montpellier, France
| | - Stephanie Rialle
- Montpellier GenomiX, BioCampus Montpellier, CNRS, INSERM, University of Montpellier, Montpellier, France
| | - Dany Severac
- Montpellier GenomiX, BioCampus Montpellier, CNRS, INSERM, University of Montpellier, Montpellier, France
| | | | - Oded Meyuhas
- Department of Biochemistry and Molecular Biology, IMRIC, The Hebrew University-Hadassah Medical School, Jerusalem, Israel
| | - Giovanni Marsicano
- INSERM U1215, Université de Bordeaux, NeuroCentre Magendie, Bordeaux, France
| | - Christian Lüscher
- Department of Basic Neurosciences, Medical Faculty, University of Geneva, Geneva, Switzerland.,Clinic of Neurology, Department of Clinical Neurosciences, Geneva University Hospital, Geneva, Switzerland
| | - Emmanuel Valjent
- IGF, CNRS, INSERM, University of Montpellier, Montpellier, France
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30
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Scholler P, Nevoltris D, de Bundel D, Bossi S, Moreno-Delgado D, Rovira X, Møller TC, El Moustaine D, Mathieu M, Blanc E, McLean H, Dupuis E, Mathis G, Trinquet E, Daniel H, Valjent E, Baty D, Chames P, Rondard P, Pin JP. Allosteric nanobodies uncover a role of hippocampal mGlu2 receptor homodimers in contextual fear consolidation. Nat Commun 2017; 8:1967. [PMID: 29213077 PMCID: PMC5719040 DOI: 10.1038/s41467-017-01489-1] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Accepted: 09/15/2017] [Indexed: 11/09/2022] Open
Abstract
Antibodies have enormous therapeutic and biotechnology potential. G protein-coupled receptors (GPCRs), the main targets in drug development, are of major interest in antibody development programs. Metabotropic glutamate receptors are dimeric GPCRs that can control synaptic activity in a multitude of ways. Here we identify llama nanobodies that specifically recognize mGlu2 receptors, among the eight subtypes of mGluR subunits. Among these nanobodies, DN10 and 13 are positive allosteric modulators (PAM) on homodimeric mGlu2, while DN10 displays also a significant partial agonist activity. DN10 and DN13 have no effect on mGlu2-3 and mGlu2-4 heterodimers. These PAMs enhance the inhibitory action of the orthosteric mGlu2/mGlu3 agonist, DCG-IV, at mossy fiber terminals in the CA3 region of hippocampal slices. DN13 also impairs contextual fear memory when injected in the CA3 region of hippocampal region. These data highlight the potential of developing antibodies with allosteric actions on GPCRs to better define their roles in vivo. G protein-coupled receptors are considered promising therapeutic targets. Here, the authors have identified nanobodies, or single-domain llama antibodies, that specifically enhance agonist-induced activity of a type of G protein-coupled receptor, the mGlu2 receptor.
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Affiliation(s)
- Pauline Scholler
- Institut de Génomique Fonctionnelle, CNRS, INSERM, Univ. Montpellier, F-34094, Montpellier, France.,Cisbio Bioassays, F-30200, Codolet, France
| | - Damien Nevoltris
- Cisbio Bioassays, F-30200, Codolet, France.,Aix Marseille Univ, CNRS, INSERM, Institut Paoli-Calmettes, CRCM, F-13009, Marseille, France
| | - Dimitri de Bundel
- Institut de Génomique Fonctionnelle, CNRS, INSERM, Univ. Montpellier, F-34094, Montpellier, France
| | - Simon Bossi
- CNRS UMR9197, Université Paris-Sud, Institut des Neurosciences Paris-Saclay, F-91405, Orsay, France
| | - David Moreno-Delgado
- Institut de Génomique Fonctionnelle, CNRS, INSERM, Univ. Montpellier, F-34094, Montpellier, France
| | - Xavier Rovira
- Institut de Génomique Fonctionnelle, CNRS, INSERM, Univ. Montpellier, F-34094, Montpellier, France
| | - Thor C Møller
- Institut de Génomique Fonctionnelle, CNRS, INSERM, Univ. Montpellier, F-34094, Montpellier, France
| | - Driss El Moustaine
- Institut de Génomique Fonctionnelle, CNRS, INSERM, Univ. Montpellier, F-34094, Montpellier, France
| | - Michaël Mathieu
- Institut de Génomique Fonctionnelle, CNRS, INSERM, Univ. Montpellier, F-34094, Montpellier, France
| | - Emilie Blanc
- Institut de Génomique Fonctionnelle, CNRS, INSERM, Univ. Montpellier, F-34094, Montpellier, France
| | - Heather McLean
- CNRS UMR9197, Université Paris-Sud, Institut des Neurosciences Paris-Saclay, F-91405, Orsay, France
| | | | | | | | - Hervé Daniel
- CNRS UMR9197, Université Paris-Sud, Institut des Neurosciences Paris-Saclay, F-91405, Orsay, France
| | - Emmanuel Valjent
- Institut de Génomique Fonctionnelle, CNRS, INSERM, Univ. Montpellier, F-34094, Montpellier, France
| | - Daniel Baty
- Aix Marseille Univ, CNRS, INSERM, Institut Paoli-Calmettes, CRCM, F-13009, Marseille, France
| | - Patrick Chames
- Aix Marseille Univ, CNRS, INSERM, Institut Paoli-Calmettes, CRCM, F-13009, Marseille, France.
| | - Philippe Rondard
- Institut de Génomique Fonctionnelle, CNRS, INSERM, Univ. Montpellier, F-34094, Montpellier, France.
| | - Jean-Philippe Pin
- Institut de Génomique Fonctionnelle, CNRS, INSERM, Univ. Montpellier, F-34094, Montpellier, France.
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31
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Ceolin L, Bouquier N, Vitre-Boubaker J, Rialle S, Severac D, Valjent E, Perroy J, Puighermanal E. Cell Type-Specific mRNA Dysregulation in Hippocampal CA1 Pyramidal Neurons of the Fragile X Syndrome Mouse Model. Front Mol Neurosci 2017; 10:340. [PMID: 29104533 PMCID: PMC5655025 DOI: 10.3389/fnmol.2017.00340] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [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: 08/29/2017] [Accepted: 10/06/2017] [Indexed: 12/19/2022] Open
Abstract
Fragile X syndrome (FXS) is a genetic disorder due to the silencing of the Fmr1 gene, causing intellectual disability, seizures, hyperactivity, and social anxiety. All these symptoms result from the loss of expression of the RNA binding protein fragile X mental retardation protein (FMRP), which alters the neurodevelopmental program to abnormal wiring of specific circuits. Aberrant mRNAs translation associated with the loss of Fmr1 product is widely suspected to be in part the cause of FXS. However, precise gene expression changes involved in this disorder have yet to be defined. The objective of this study was to identify the set of mistranslated mRNAs that could contribute to neurological deficits in FXS. We used the RiboTag approach and RNA sequencing to provide an exhaustive listing of genes whose mRNAs are differentially translated in hippocampal CA1 pyramidal neurons as the integrative result of FMRP loss and subsequent neurodevelopmental adaptations. Among genes differentially regulated between adult WT and Fmr1-/y mice, we found enrichment in FMRP-binders but also a majority of non-FMRP-binders. Interestingly, both up- and down-regulation of specific gene expression is relevant to fully understand the molecular deficiencies triggering FXS. More importantly, functional genomic analysis highlighted the importance of genes involved in neuronal connectivity. Among them, we show that Klk8 altered expression participates in the abnormal hippocampal dendritic spine maturation observed in a mouse model of FXS.
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Affiliation(s)
- Laura Ceolin
- IGF, CNRS, INSERM, Univ. Montpellier, Montpellier, France
| | | | | | | | - Dany Severac
- Montpellier GenomiX c/o IGF, Montpellier, France
| | | | - Julie Perroy
- IGF, CNRS, INSERM, Univ. Montpellier, Montpellier, France
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32
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Biever A, Boubaker-Vitre J, Cutando L, Gracia-Rubio I, Costa-Mattioli M, Puighermanal E, Valjent E. Repeated Exposure to D-Amphetamine Decreases Global Protein Synthesis and Regulates the Translation of a Subset of mRNAs in the Striatum. Front Mol Neurosci 2017; 9:165. [PMID: 28119566 PMCID: PMC5223439 DOI: 10.3389/fnmol.2016.00165] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [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: 10/25/2016] [Accepted: 12/20/2016] [Indexed: 01/21/2023] Open
Abstract
Repeated psychostimulant exposure induces persistent gene expression modifications that contribute to enduring changes in striatal GABAergic spiny projecting neurons (SPNs). However, it remains unclear whether changes in the control of mRNA translation are required for the establishment of these durable modifications. Here we report that repeated exposure to D-amphetamine decreases global striatal mRNA translation. This effect is paralleled by an enhanced phosphorylation of the translation factors, eIF2α and eEF2, and by the concomitant increased translation of a subset of mRNAs, among which the mRNA encoding for the activity regulated cytoskeleton-associated protein, also known as activity regulated gene 3.1 (Arc/Arg3.1). The enrichment of Arc/Arg3.1 mRNA in the polysomal fraction is accompanied by a robust increase of Arc/Arg3.1 protein levels within the striatum. Immunofluorescence analysis revealed that this increase occurred preferentially in D1R-expressing SPNs localized in striosome compartments. Our results suggest that the decreased global protein synthesis following repeated exposure to D-amphetamine favors the translation of a specific subset of mRNAs in the striatum.
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Affiliation(s)
- Anne Biever
- Centre National de la Recherche Scientifique (CNRS), UMR-5203, Institut de Génomique FonctionnelleMontpellier, France; Institut National de la Santé et de la Recherche Médicale (INSERM), U1191Montpellier, France; Université de Montpellier, UMR-5203Montpellier, France
| | - Jihane Boubaker-Vitre
- Centre National de la Recherche Scientifique (CNRS), UMR-5203, Institut de Génomique FonctionnelleMontpellier, France; Institut National de la Santé et de la Recherche Médicale (INSERM), U1191Montpellier, France; Université de Montpellier, UMR-5203Montpellier, France
| | - Laura Cutando
- Centre National de la Recherche Scientifique (CNRS), UMR-5203, Institut de Génomique FonctionnelleMontpellier, France; Institut National de la Santé et de la Recherche Médicale (INSERM), U1191Montpellier, France; Université de Montpellier, UMR-5203Montpellier, France
| | - Irene Gracia-Rubio
- Centre National de la Recherche Scientifique (CNRS), UMR-5203, Institut de Génomique FonctionnelleMontpellier, France; Institut National de la Santé et de la Recherche Médicale (INSERM), U1191Montpellier, France; Université de Montpellier, UMR-5203Montpellier, France
| | - Mauro Costa-Mattioli
- Department of Neuroscience, Memory and Brain Research Center, Baylor College of Medicine, Houston TX, USA
| | - Emma Puighermanal
- Centre National de la Recherche Scientifique (CNRS), UMR-5203, Institut de Génomique FonctionnelleMontpellier, France; Institut National de la Santé et de la Recherche Médicale (INSERM), U1191Montpellier, France; Université de Montpellier, UMR-5203Montpellier, France
| | - Emmanuel Valjent
- Centre National de la Recherche Scientifique (CNRS), UMR-5203, Institut de Génomique FonctionnelleMontpellier, France; Institut National de la Santé et de la Recherche Médicale (INSERM), U1191Montpellier, France; Université de Montpellier, UMR-5203Montpellier, France
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33
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Nishi A, Matamales M, Musante V, Valjent E, Kuroiwa M, Kitahara Y, Rebholz H, Greengard P, Girault JA, Nairn AC. Glutamate Counteracts Dopamine/PKA Signaling via Dephosphorylation of DARPP-32 Ser-97 and Alteration of Its Cytonuclear Distribution. J Biol Chem 2016; 292:1462-1476. [PMID: 27998980 DOI: 10.1074/jbc.m116.752402] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2016] [Revised: 12/06/2016] [Indexed: 01/17/2023] Open
Abstract
The interaction of glutamate and dopamine in the striatum is heavily dependent on signaling pathways that converge on the regulatory protein DARPP-32. The efficacy of dopamine/D1 receptor/PKA signaling is regulated by DARPP-32 phosphorylated at Thr-34 (the PKA site), a process that inhibits protein phosphatase 1 (PP1) and potentiates PKA action. Activation of dopamine/D1 receptor/PKA signaling also leads to dephosphorylation of DARPP-32 at Ser-97 (the CK2 site), leading to localization of phospho-Thr-34 DARPP-32 in the nucleus where it also inhibits PP1. In this study the role of glutamate in the regulation of DARPP-32 phosphorylation at four major sites was further investigated. Experiments using striatal slices revealed that glutamate decreased the phosphorylation states of DARPP-32 at Ser-97 as well as Thr-34, Thr-75, and Ser-130 by activating NMDA or AMPA receptors in both direct and indirect pathway striatal neurons. The effect of glutamate in decreasing Ser-97 phosphorylation was mediated by activation of PP2A. In vitro phosphatase assays indicated that the PP2A/PR72 heterotrimer complex was likely responsible for glutamate/Ca2+-regulated dephosphorylation of DARPP-32 at Ser-97. As a consequence of Ser-97 dephosphorylation, glutamate induced the nuclear localization in cultured striatal neurons of dephospho-Thr-34/dephospho-Ser-97 DARPP-32. It also reduced PKA-dependent DARPP-32 signaling in slices and in vivo Taken together, the results suggest that by inducing dephosphorylation of DARPP-32 at Ser-97 and altering its cytonuclear distribution, glutamate may counteract dopamine/D1 receptor/PKA signaling at multiple cellular levels.
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Affiliation(s)
- Akinori Nishi
- From the Department of Pharmacology, Kurume University School of Medicine, Kurume, Fukuoka 830-0011, Japan,
| | - Miriam Matamales
- Institut du Fer à Moulin, INSERM, UPMC UMR-S839, 75005 Paris, France
| | - Veronica Musante
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut 06508
| | - Emmanuel Valjent
- Institut de Génomique Fonctionnelle, Inserm U1191, UMR 5203 CNRS, Montpellier University, 34094 Montpellier, France, and
| | - Mahomi Kuroiwa
- From the Department of Pharmacology, Kurume University School of Medicine, Kurume, Fukuoka 830-0011, Japan
| | - Yosuke Kitahara
- From the Department of Pharmacology, Kurume University School of Medicine, Kurume, Fukuoka 830-0011, Japan
| | - Heike Rebholz
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, New York, New York 10065
| | - Paul Greengard
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, New York, New York 10065
| | | | - Angus C Nairn
- Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut 06508
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Puighermanal E, Cutando L, Boubaker-Vitre J, Honoré E, Longueville S, Hervé D, Valjent E. Anatomical and molecular characterization of dopamine D1 receptor-expressing neurons of the mouse CA1 dorsal hippocampus. Brain Struct Funct 2016; 222:1897-1911. [PMID: 27678395 PMCID: PMC5406422 DOI: 10.1007/s00429-016-1314-x] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [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: 08/02/2016] [Accepted: 09/15/2016] [Indexed: 12/21/2022]
Abstract
In the hippocampus, a functional role of dopamine D1 receptors (D1R) in synaptic plasticity and memory processes has been suggested by electrophysiological and pharmacological studies. However, comprehension of their function remains elusive due to the lack of knowledge on the precise localization of D1R expression among the diversity of interneuron populations. Using BAC transgenic mice expressing enhanced green fluorescent protein under the control of D1R promoter, we examined the molecular identity of D1R-containing neurons within the CA1 subfield of the dorsal hippocampus. In agreement with previous findings, our analysis revealed that these neurons are essentially GABAergic interneurons, which express several neurochemical markers, including calcium-binding proteins, neuropeptides, and receptors among others. Finally, by using different tools comprising cell type-specific isolation of mRNAs bound to tagged-ribosomes, we provide solid data indicating that D1R is present in a large proportion of interneurons expressing dopamine D2 receptors. Altogether, our study indicates that D1Rs are expressed by different classes of interneurons in all layers examined and not by pyramidal cells, suggesting that CA1 D1R mostly acts via modulation of GABAergic interneurons.
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Affiliation(s)
- Emma Puighermanal
- CNRS UMR 5203, Institut de Génomique Fonctionnelle, 141 rue de la Cardonille, 34094, Montpellier Cedex 05, France.,INSERM, U1191, Montpellier, 34094, France.,Université de Montpellier, UMR 5203, Montpellier, 34094, France
| | - Laura Cutando
- CNRS UMR 5203, Institut de Génomique Fonctionnelle, 141 rue de la Cardonille, 34094, Montpellier Cedex 05, France.,INSERM, U1191, Montpellier, 34094, France.,Université de Montpellier, UMR 5203, Montpellier, 34094, France
| | - Jihane Boubaker-Vitre
- CNRS UMR 5203, Institut de Génomique Fonctionnelle, 141 rue de la Cardonille, 34094, Montpellier Cedex 05, France.,INSERM, U1191, Montpellier, 34094, France.,Université de Montpellier, UMR 5203, Montpellier, 34094, France
| | - Eve Honoré
- CNRS UMR 5203, Institut de Génomique Fonctionnelle, 141 rue de la Cardonille, 34094, Montpellier Cedex 05, France.,INSERM, U1191, Montpellier, 34094, France.,Université de Montpellier, UMR 5203, Montpellier, 34094, France
| | - Sophie Longueville
- Inserm, UMR-S 839, 75005, Paris, France.,Université Pierre et Marie Curie-Paris 6, 75005, Paris, France.,Institut du Fer à Moulin, 75005, Paris, France
| | - Denis Hervé
- Inserm, UMR-S 839, 75005, Paris, France.,Université Pierre et Marie Curie-Paris 6, 75005, Paris, France.,Institut du Fer à Moulin, 75005, Paris, France
| | - Emmanuel Valjent
- CNRS UMR 5203, Institut de Génomique Fonctionnelle, 141 rue de la Cardonille, 34094, Montpellier Cedex 05, France. .,INSERM, U1191, Montpellier, 34094, France. .,Université de Montpellier, UMR 5203, Montpellier, 34094, France.
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Gangarossa G, Guzman M, Prado VF, Prado MA, Daumas S, El Mestikawy S, Valjent E. Role of the atypical vesicular glutamate transporter VGLUT3 in l-DOPA-induced dyskinesia. Neurobiol Dis 2016; 87:69-79. [DOI: 10.1016/j.nbd.2015.12.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Revised: 12/14/2015] [Accepted: 12/18/2015] [Indexed: 10/22/2022] Open
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Biever A, Valjent E, Puighermanal E. Ribosomal Protein S6 Phosphorylation in the Nervous System: From Regulation to Function. Front Mol Neurosci 2015; 8:75. [PMID: 26733799 PMCID: PMC4679984 DOI: 10.3389/fnmol.2015.00075] [Citation(s) in RCA: 139] [Impact Index Per Article: 15.4] [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: 10/02/2015] [Accepted: 11/23/2015] [Indexed: 01/31/2023] Open
Abstract
Since the discovery of the phosphorylation of the 40S ribosomal protein S6 (rpS6) about four decades ago, much effort has been made to uncover the molecular mechanisms underlying the regulation of this post-translational modification. In the field of neuroscience, rpS6 phosphorylation is commonly used as a readout of the mammalian target of rapamycin complex 1 signaling activation or as a marker for neuronal activity. Nevertheless, its biological role in neurons still remains puzzling. Here we review the pharmacological and physiological stimuli regulating this modification in the nervous system as well as the pathways that transduce these signals into rpS6 phosphorylation. Altered rpS6 phosphorylation observed in various genetic and pathophysiological mouse models is also discussed. Finally, we examine the current state of knowledge on the physiological role of this post-translational modification and highlight the questions that remain to be addressed.
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Affiliation(s)
- Anne Biever
- Centre National de la Recherche Scientifique, UMR5203, Institut de Génomique FonctionnelleMontpellier, France; Institut National de la Santé et de la Recherche Médicale, U1191Montpellier, France; Université de Montpellier, UMR-5203Montpellier, France
| | - Emmanuel Valjent
- Centre National de la Recherche Scientifique, UMR5203, Institut de Génomique FonctionnelleMontpellier, France; Institut National de la Santé et de la Recherche Médicale, U1191Montpellier, France; Université de Montpellier, UMR-5203Montpellier, France
| | - Emma Puighermanal
- Centre National de la Recherche Scientifique, UMR5203, Institut de Génomique FonctionnelleMontpellier, France; Institut National de la Santé et de la Recherche Médicale, U1191Montpellier, France; Université de Montpellier, UMR-5203Montpellier, France
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Gangarossa G, Sakkaki S, Lory P, Valjent E. Mouse hippocampal phosphorylation footprint induced by generalized seizures: Focus on ERK, mTORC1 and Akt/GSK-3 pathways. Neuroscience 2015; 311:474-83. [PMID: 26545981 DOI: 10.1016/j.neuroscience.2015.10.051] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Accepted: 10/27/2015] [Indexed: 02/03/2023]
Abstract
Exacerbated hippocampal activity has been associated to critical modifications of the intracellular signaling pathways. We have investigated rapid hippocampal adaptive responses induced by maximal electroshock seizure (MES). Here, we demonstrate that abnormal and exacerbated hippocampal activity induced by MES triggers specific and temporally distinct patterns of phosphorylation of extracellular signal-related kinase (ERK), mammalian target of rapamycin complex (mTORC) and Akt/glycogen synthase kinase-3 (Akt/GSK-3) pathways in the mouse hippocampus. While the ERK pathway is transiently activated, the mTORC1 cascade follows a rapid inhibition followed by a transient activation. This rebound of mTORC1 activity leads to the selective phosphorylation of p70S6K, which is accompanied by an enhanced phosphorylation of the ribosomal subunit S6. In contrast, the Akt/GSK-3 pathway is weakly altered. Finally, MES triggers a rapid upregulation of several plasticity-associated genes as a consequence exacerbated hippocampal activity. The results reported in the present study are reminiscent of the one observed in other models of generalized seizures, thus defining a common molecular footprint induced by intense and aberrant hippocampal activities.
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Affiliation(s)
- Giuseppe Gangarossa
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle, Montpellier F-34094, France; Inserm U1191, Montpellier F-34094, France; Université de Montpellier, Montpellier F-34094, France.
| | - Sophie Sakkaki
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle, Montpellier F-34094, France; Inserm U1191, Montpellier F-34094, France; Université de Montpellier, Montpellier F-34094, France
| | - Philippe Lory
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle, Montpellier F-34094, France; Inserm U1191, Montpellier F-34094, France; Université de Montpellier, Montpellier F-34094, France; LabEx 'Ion Channel Science and Therapeutics', Montpellier F-34094, France
| | - Emmanuel Valjent
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle, Montpellier F-34094, France; Inserm U1191, Montpellier F-34094, France; Université de Montpellier, Montpellier F-34094, France.
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Sakkaki S, Gangarossa G, Lerat B, Françon D, Forichon L, Chemin J, Valjent E, Lerner-Natoli M, Lory P. Blockade of T-type calcium channels prevents tonic-clonic seizures in a maximal electroshock seizure model. Neuropharmacology 2015; 101:320-9. [PMID: 26456350 DOI: 10.1016/j.neuropharm.2015.09.032] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Revised: 09/11/2015] [Accepted: 09/30/2015] [Indexed: 11/17/2022]
Abstract
T-type (Cav3) calcium channels play important roles in neuronal excitability, both in normal and pathological activities of the brain. In particular, they contribute to hyper-excitability disorders such as epilepsy. Here we have characterized the anticonvulsant properties of TTA-A2, a selective T-type channel blocker, in mouse. Using the maximal electroshock seizure (MES) as a model of tonic-clonic generalized seizures, we report that mice treated with TTA-A2 (0.3 mg/kg and higher doses) were significantly protected against tonic seizures. Although no major change in Local Field Potential (LFP) pattern was observed during the MES seizure, analysis of the late post-ictal period revealed a significant increase in the delta frequency power in animals treated with TTA-A2. Similar results were obtained for Cav3.1-/- mice, which were less prone to develop tonic seizures in the MES test, but not for Cav3.2-/- mice. Analysis of extracellular signal-regulated kinase 1/2 (ERK) phosphorylation and c-Fos expression revealed a rapid and elevated neuronal activation in the hippocampus following MES clonic seizures, which was unchanged in TTA-A2 treated animals. Overall, our data indicate that TTA-A2 is a potent anticonvulsant and that the Cav3.1 isoform plays a prominent role in mediating TTA-A2 tonic seizure protection.
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Affiliation(s)
- Sophie Sakkaki
- Université de Montpellier, CNRS UMR 5203, Département Neuroscience & Ion Channel Biology, Institut de Génomique Fonctionnelle, Montpellier F-34094, France; INSERM U1191, Montpellier F34094, France; LabEx 'Ion Channel Science and Therapeutics', Montpellier F34094, France; Sanofi R&D, F-91385 Chilly-Mazarin, France
| | - Giuseppe Gangarossa
- Université de Montpellier, CNRS UMR 5203, Département Neuroscience & Ion Channel Biology, Institut de Génomique Fonctionnelle, Montpellier F-34094, France; INSERM U1191, Montpellier F34094, France
| | - Benoit Lerat
- Université de Montpellier, CNRS UMR 5203, Département Neuroscience & Ion Channel Biology, Institut de Génomique Fonctionnelle, Montpellier F-34094, France; INSERM U1191, Montpellier F34094, France
| | | | - Luc Forichon
- Université de Montpellier, CNRS UMR 5203, Département Neuroscience & Ion Channel Biology, Institut de Génomique Fonctionnelle, Montpellier F-34094, France; INSERM U1191, Montpellier F34094, France
| | - Jean Chemin
- Université de Montpellier, CNRS UMR 5203, Département Neuroscience & Ion Channel Biology, Institut de Génomique Fonctionnelle, Montpellier F-34094, France; INSERM U1191, Montpellier F34094, France; LabEx 'Ion Channel Science and Therapeutics', Montpellier F34094, France
| | - Emmanuel Valjent
- Université de Montpellier, CNRS UMR 5203, Département Neuroscience & Ion Channel Biology, Institut de Génomique Fonctionnelle, Montpellier F-34094, France; INSERM U1191, Montpellier F34094, France
| | - Mireille Lerner-Natoli
- Université de Montpellier, CNRS UMR 5203, Département Neuroscience & Ion Channel Biology, Institut de Génomique Fonctionnelle, Montpellier F-34094, France; INSERM U1191, Montpellier F34094, France
| | - Philippe Lory
- Université de Montpellier, CNRS UMR 5203, Département Neuroscience & Ion Channel Biology, Institut de Génomique Fonctionnelle, Montpellier F-34094, France; INSERM U1191, Montpellier F34094, France; LabEx 'Ion Channel Science and Therapeutics', Montpellier F34094, France.
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Puighermanal E, Biever A, Espallergues J, Gangarossa G, De Bundel D, Valjent E. drd2-cre:ribotagmouse line unravels the possible diversity of dopamine d2 receptor-expressing cells of the dorsal mouse hippocampus. Hippocampus 2015; 25:858-75. [DOI: 10.1002/hipo.22408] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Revised: 12/19/2014] [Accepted: 12/19/2014] [Indexed: 02/03/2023]
Affiliation(s)
- Emma Puighermanal
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle; Montpellier F-34094 France
- INSERM, U661; Montpellier F-34094 France
- Universités de Montpellier 1 & 2, UMR-5203; Montpellier F-34094 France
| | - Anne Biever
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle; Montpellier F-34094 France
- INSERM, U661; Montpellier F-34094 France
- Universités de Montpellier 1 & 2, UMR-5203; Montpellier F-34094 France
| | - Julie Espallergues
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle; Montpellier F-34094 France
- INSERM, U661; Montpellier F-34094 France
- Universités de Montpellier 1 & 2, UMR-5203; Montpellier F-34094 France
| | - Giuseppe Gangarossa
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle; Montpellier F-34094 France
- INSERM, U661; Montpellier F-34094 France
- Universités de Montpellier 1 & 2, UMR-5203; Montpellier F-34094 France
| | - Dimitri De Bundel
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle; Montpellier F-34094 France
- INSERM, U661; Montpellier F-34094 France
- Universités de Montpellier 1 & 2, UMR-5203; Montpellier F-34094 France
| | - Emmanuel Valjent
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle; Montpellier F-34094 France
- INSERM, U661; Montpellier F-34094 France
- Universités de Montpellier 1 & 2, UMR-5203; Montpellier F-34094 France
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Gangarossa G, Ceolin L, Paucard A, Lerner-Natoli M, Perroy J, Fagni L, Valjent E. Repeated stimulation of dopamine D1-like receptor and hyperactivation of mTOR signaling lead to generalized seizures, altered dentate gyrus plasticity, and memory deficits. Hippocampus 2014; 24:1466-81. [DOI: 10.1002/hipo.22327] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/02/2014] [Indexed: 01/18/2023]
Affiliation(s)
- Giuseppe Gangarossa
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle; Montpellier France
- INSERM, U661; Montpellier France
- Universités de Montpellier 1 & 2; UMR-5203 Montpellier France
| | - Laura Ceolin
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle; Montpellier France
- INSERM, U661; Montpellier France
- Universités de Montpellier 1 & 2; UMR-5203 Montpellier France
| | - Alexia Paucard
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle; Montpellier France
- INSERM, U661; Montpellier France
- Universités de Montpellier 1 & 2; UMR-5203 Montpellier France
| | - Mireille Lerner-Natoli
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle; Montpellier France
- INSERM, U661; Montpellier France
- Universités de Montpellier 1 & 2; UMR-5203 Montpellier France
| | - Julie Perroy
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle; Montpellier France
- INSERM, U661; Montpellier France
- Universités de Montpellier 1 & 2; UMR-5203 Montpellier France
| | - Laurent Fagni
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle; Montpellier France
- INSERM, U661; Montpellier France
- Universités de Montpellier 1 & 2; UMR-5203 Montpellier France
| | - Emmanuel Valjent
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle; Montpellier France
- INSERM, U661; Montpellier France
- Universités de Montpellier 1 & 2; UMR-5203 Montpellier France
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Pascoli V, Terrier J, Espallergues J, Valjent E, O’Connor EC, Lüscher C. Contrasting forms of cocaine-evoked plasticity control components of relapse. Nature 2014; 509:459-64. [DOI: 10.1038/nature13257] [Citation(s) in RCA: 286] [Impact Index Per Article: 28.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2014] [Accepted: 03/17/2014] [Indexed: 02/07/2023]
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Gangarossa G, Laffray S, Bourinet E, Valjent E. T-type calcium channel Cav3.2 deficient mice show elevated anxiety, impaired memory and reduced sensitivity to psychostimulants. Front Behav Neurosci 2014; 8:92. [PMID: 24672455 PMCID: PMC3957728 DOI: 10.3389/fnbeh.2014.00092] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [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: 01/15/2014] [Accepted: 03/03/2014] [Indexed: 01/28/2023] Open
Abstract
The fine-tuning of neuronal excitability relies on a tight control of Ca2+ homeostasis. The low voltage-activated (LVA) T-type calcium channels (Cav3.1, Cav3.2 and Cav3.3 isoforms) play a critical role in regulating these processes. Despite their wide expression throughout the central nervous system, the implication of T-type Cav3.2 isoform in brain functions is still poorly characterized. Here, we investigate the effect of genetic ablation of this isoform in affective disorders, including anxiety, cognitive functions as well as sensitivity to drugs of abuse. Using a wide range of behavioral assays we show that genetic ablation of the cacna1h gene results in an anxiety-like phenotype, whereas novelty-induced locomotor activity is unaffected. Deletion of the T-type channel Cav3.2 also triggers impairment of hippocampus-dependent recognition memories. Acute and sensitized hyperlocomotion induced by d-amphetamine and cocaine are dramatically reduced in T-type Cav3.2 deficient mice. In addition, the administration of the T-type blocker TTA-A2 prevented the expression of locomotor sensitization observed in wildtype mice. In conclusion, our data reveal that physiological activity of this specific Ca2+ channel is required for affective and cognitive behaviors. Moreover, our work highlights the interest of T-type channel blockers as therapeutic strategies to reverse drug-associated alterations.
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Affiliation(s)
- Giuseppe Gangarossa
- Institut de Génomique Fonctionnelle, CNRS UMR-5203, Montpellier, France ; INSERM U661, Montpellier, France ; Universités de Montpellier 1 and 2 UMR-5203, Montpellier, France
| | - Sophie Laffray
- Institut de Génomique Fonctionnelle, CNRS UMR-5203, Montpellier, France ; INSERM U661, Montpellier, France ; Universités de Montpellier 1 and 2 UMR-5203, Montpellier, France ; Laboratories of Excellence, Ion Channel Science and Therapeutics, Institut de Génomique Fonctionnelle Montpellier, France
| | - Emmanuel Bourinet
- Institut de Génomique Fonctionnelle, CNRS UMR-5203, Montpellier, France ; INSERM U661, Montpellier, France ; Universités de Montpellier 1 and 2 UMR-5203, Montpellier, France ; Laboratories of Excellence, Ion Channel Science and Therapeutics, Institut de Génomique Fonctionnelle Montpellier, France
| | - Emmanuel Valjent
- Institut de Génomique Fonctionnelle, CNRS UMR-5203, Montpellier, France ; INSERM U661, Montpellier, France ; Universités de Montpellier 1 and 2 UMR-5203, Montpellier, France
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Giannoni P, Gaven F, de Bundel D, Baranger K, Marchetti-Gauthier E, Roman FS, Valjent E, Marin P, Bockaert J, Rivera S, Claeysen S. Early administration of RS 67333, a specific 5-HT4 receptor agonist, prevents amyloidogenesis and behavioral deficits in the 5XFAD mouse model of Alzheimer's disease. Front Aging Neurosci 2013; 5:96. [PMID: 24399967 PMCID: PMC3871961 DOI: 10.3389/fnagi.2013.00096] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [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: 11/05/2013] [Accepted: 12/06/2013] [Indexed: 01/14/2023] Open
Abstract
Amyloid β (Aβ) accumulation is considered the main culprit in the pathogenesis of Alzheimer’s disease (AD). Recent studies suggest that decreasing Aβ production at very early stages of AD could be a promising strategy to slow down disease progression. Serotonin 5-HT4 receptor activation stimulates α-cleavage of the amyloid precursor protein (APP), leading to the release of the soluble and neurotrophic sAPPα fragment and thus precluding Aβ formation. Using the 5XFAD mouse model of AD that shows accelerated Aβ deposition, we investigated the effect of chronic treatments (treatment onset at different ages and different durations) with the 5-HT4 receptor agonist RS 67333 during the asymptomatic phase of the disease. Chronic administration of RS 67333 decreased concomitantly the number of amyloid plaques and the level of Aβ species. Reduction of Aβ levels was accompanied by a striking decrease in hippocampal astrogliosis and microgliosis. RS 67333 also transiently increased sAPPα concentration in the cerebrospinal fluid and brain. Moreover, a specific 5-HT4 receptor antagonist (RS 39604) prevented the RS 67333-mediated reduction of the amyloid pathology. Finally, the novel object recognition test deficits of 5XFAD mice were reversed by chronic treatment with RS 67333. Collectively, these results strongly highlight this 5-HT4 receptor agonist as a promising disease modifying-agent for AD.
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Affiliation(s)
- Patrizia Giannoni
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle Montpellier, France ; Inserm, U661 Montpellier, France ; Universités de Montpellier 1 and 2, UMR-5203 Montpellier, France
| | - Florence Gaven
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle Montpellier, France ; Inserm, U661 Montpellier, France ; Universités de Montpellier 1 and 2, UMR-5203 Montpellier, France
| | - Dimitri de Bundel
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle Montpellier, France ; Inserm, U661 Montpellier, France ; Universités de Montpellier 1 and 2, UMR-5203 Montpellier, France
| | - Kevin Baranger
- Aix-Marseille Univ, Neurobiologie des Interactions Cellulaires et Neurophysiopathologie, UMR 7259 Marseille, France ; CNRS, NICN, Neurobiologie des Interactions Cellulaires et Neurophysiopathologie, UMR 7259 Marseille, France ; Service de Neurologie et de Neuropsychologie, CHU La Timone, AP-HM Marseille, France
| | - Evelyne Marchetti-Gauthier
- Aix-Marseille Univ, Neurobiologie des Interactions Cellulaires et Neurophysiopathologie, UMR 7259 Marseille, France ; CNRS, NICN, Neurobiologie des Interactions Cellulaires et Neurophysiopathologie, UMR 7259 Marseille, France
| | - François S Roman
- Aix-Marseille Univ, Neurobiologie des Interactions Cellulaires et Neurophysiopathologie, UMR 7259 Marseille, France ; CNRS, NICN, Neurobiologie des Interactions Cellulaires et Neurophysiopathologie, UMR 7259 Marseille, France
| | - Emmanuel Valjent
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle Montpellier, France ; Inserm, U661 Montpellier, France ; Universités de Montpellier 1 and 2, UMR-5203 Montpellier, France
| | - Philippe Marin
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle Montpellier, France ; Inserm, U661 Montpellier, France ; Universités de Montpellier 1 and 2, UMR-5203 Montpellier, France
| | - Joël Bockaert
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle Montpellier, France ; Inserm, U661 Montpellier, France ; Universités de Montpellier 1 and 2, UMR-5203 Montpellier, France
| | - Santiago Rivera
- Aix-Marseille Univ, Neurobiologie des Interactions Cellulaires et Neurophysiopathologie, UMR 7259 Marseille, France ; CNRS, NICN, Neurobiologie des Interactions Cellulaires et Neurophysiopathologie, UMR 7259 Marseille, France
| | - Sylvie Claeysen
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle Montpellier, France ; Inserm, U661 Montpellier, France ; Universités de Montpellier 1 and 2, UMR-5203 Montpellier, France
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De Bundel D, Gangarossa G, Biever A, Bonnefont X, Valjent E. Cognitive dysfunction, elevated anxiety, and reduced cocaine response in circadian clock-deficient cryptochrome knockout mice. Front Behav Neurosci 2013; 7:152. [PMID: 24187535 PMCID: PMC3807562 DOI: 10.3389/fnbeh.2013.00152] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [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: 09/06/2013] [Accepted: 10/04/2013] [Indexed: 01/09/2023] Open
Abstract
The circadian clock comprises a set of genes involved in cell-autonomous transcriptional feedback loops that orchestrate the expression of a range of downstream genes, driving circadian patterns of behavior. Cognitive dysfunction, mood disorders, anxiety disorders, and substance abuse disorders have been associated with disruptions in circadian rhythm and circadian clock genes, but the causal relationship of these associations is still poorly understood. In the present study, we investigate the effect of genetic disruption of the circadian clock, through deletion of both paralogs of the core gene cryptochrome (Cry1 and Cry2). Mice lacking Cry1 and Cry2 (Cry1(-/-)Cry2(-/-) ) displayed attenuated dark phase and novelty-induced locomotor activity. Moreover, they showed impaired recognition memory but intact fear memory. Depression-related behaviors in the forced swim test or sucrose preference tests were unaffected but Cry1(-/-)Cry2(-/-) mice displayed increased anxiety in the open field and elevated plus maze tests. Finally, hyperlocomotion and striatal phosphorylation of extracellular signal-regulated kinase (ERK) induced by a single cocaine administration are strongly reduced in Cry1(-/-)Cry2(-/-) mice. Interestingly, only some behavioral measures were affected in mice lacking either Cry1 or Cry2. Notably, recognition memory was impaired in both Cry1(-/-)Cry2(+/+) and Cry1(+/+)Cry2(-/-) mice. Moreover, we further observed elevated anxiety in Cry1(-/-)Cry2(+/+) and Cry1(+/+)Cry2(-/-) mice. Our data indicate that beyond their role in the control of circadian rhythm, cryptochrome genes have a direct influence in cognitive function, anxiety-related behaviors and sensitivity to psychostimulant drugs.
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Affiliation(s)
- Dimitri De Bundel
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle Montpellier, France ; INSERM, U661 Montpellier, France ; Universités de Montpellier 1 and 2, UMR-5203 Montpellier, France
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Gangarossa G, Espallergues J, Mailly P, De Bundel D, de Kerchove d'Exaerde A, Hervé D, Girault JA, Valjent E, Krieger P. Spatial distribution of D1R- and D2R-expressing medium-sized spiny neurons differs along the rostro-caudal axis of the mouse dorsal striatum. Front Neural Circuits 2013; 7:124. [PMID: 23908605 PMCID: PMC3725430 DOI: 10.3389/fncir.2013.00124] [Citation(s) in RCA: 80] [Impact Index Per Article: 7.3] [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: 04/08/2013] [Accepted: 07/07/2013] [Indexed: 02/02/2023] Open
Abstract
The striatum projection neurons are striatonigral and striatopallidal medium-sized spiny neurons (MSNs) that preferentially express D1 (D1R) and D2 (D2R) dopamine receptors, respectively. It is generally assumed that these neurons are physically intermingled, without cytoarchitectural organization although this has not been tested. To address this question we used BAC transgenic mice expressing enhanced green fluorescence (EGFP) under the control of Drd1a or Drd2 promoter and spatial point pattern statistics. We demonstrate that D1R- and D2R-expressing MSNs are randomly distributed in most of the dorsal striatum, whereas a specific region in the caudal striatum, adjacent to the GPe, lacks neurons expressing markers for indirect pathway neurons. This area comprises almost exclusively D1R-expressing MSNs. These neurons receive excitatory inputs from the primary auditory cortex and the medial geniculate thalamic nucleus and a rich dopamine innervation. This area contains cholinergic and GABAergic interneurons but apparently no D2R/A2aR modulation because no fluorescence was detected in the neuropil of Drd2-EGFP or Drd2-Cre, and Adora-Cre BAC transgenic mice crossed with reporter mice. This striatal area that expresses calbindin D28k, VGluT1 and 2, is poor in μ opiate receptors and preproenkephalin. Altogether, the differences observed in D1R-MSNs, D2R-MSNs, and interneurons densities, as well as the anatomical segregation of D1R- and D2R/A2aR-expressing MSNs suggest that there are regional differences in the organization of the striatum.
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Affiliation(s)
- Giuseppe Gangarossa
- CNRS, UMR 5203, Institut de Génomique Fonctionnelle Montpellier, France ; INSERM, U661 Montpellier, France ; Universités de Montpellier 1 & 2, UMR 5203 Montpellier, France
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Bonito-Oliva A, Pallottino S, Bertran-Gonzalez J, Girault JA, Valjent E, Fisone G. Haloperidol promotes mTORC1-dependent phosphorylation of ribosomal protein S6 via dopamine- and cAMP-regulated phosphoprotein of 32 kDa and inhibition of protein phosphatase-1. Neuropharmacology 2013; 72:197-203. [PMID: 23643747 DOI: 10.1016/j.neuropharm.2013.04.043] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2013] [Revised: 04/19/2013] [Accepted: 04/20/2013] [Indexed: 12/18/2022]
Abstract
The ribosomal protein S6 (rpS6) is a component of the small 40S ribosomal subunit, involved in multiple physiological functions. Here, we examined the effects produced by haloperidol, a typical antipsychotic drug, on the phosphorylation of rpS6 at Ser240/244 in the striatum, a brain region involved in neurodegenerative and neuropsychiatric disorders. We found that administration of haloperidol increased Ser240/244 phosphorylation in a subpopulation of GABA-ergic medium spiny neurons (MSNs), which preferentially express dopamine D2 receptors (D2Rs). This effect was abolished by rapamycin, an inhibitor of the mammalian target of rapamycin complex 1 (mTORC1), or by PF470867, a selective inhibitor of the p70 ribosomal S6 kinase 1 (S6K1). We also found that the effect of haloperidol on Ser240/244 phosphorylation was prevented by functional inactivation of dopamine- and cAMP-regulated phosphoprotein of 32 kDa (DARPP-32), an endogenous inhibitor of protein phosphatase-1 (PP-1). In line with this observation, incubation of striatal slices with okadaic acid and calyculin A, two inhibitors of PP-1, increased Ser240/244 phosphorylation. These results show that haloperidol promotes mTORC1- and S6K1-dependent phosphorylation of rpS6 at Ser240/244, in a subpopulation of striatal MSNs expressing D2Rs. They also indicate that this effect is exerted by suppressing dephosphorylation at Ser240/244, through PKA-dependent activation of DARPP-32 and inhibition of PP-1.
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Guegan T, Cutando L, Gangarossa G, Santini E, Fisone G, Martinez A, Valjent E, Maldonado R, Martin M. Operant behavior to obtain palatable food modifies ERK activity in the brain reward circuit. Eur Neuropsychopharmacol 2013; 23:240-52. [PMID: 22580057 DOI: 10.1016/j.euroneuro.2012.04.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2012] [Revised: 03/28/2012] [Accepted: 04/14/2012] [Indexed: 12/11/2022]
Abstract
Food palatability produces behavioral modifications that resemble those induced by drugs of abuse. Palatability-induced behavioral changes require both, the activation of the endogenous cannabinoid system, and changes in structural plasticity in neurons of the brain reward pathway. The ERK intracellular pathway is activated by CB1 receptors (CB1-R) and plays a crucial role in neuroplasticity. We investigated the activation of the ERK signaling cascade in the mesocorticolimbic system induced by operant training to obtain highly palatable isocaloric food and the involvement of the CB1-R in these responses. Using immunofluorescence techniques, we analyzed changes in ERK intracellular pathway activation in the mesocorticolimbic system of wild-type and CB1 knockout mice (CB1-/-) trained on an operant paradigm to obtain standard, highly caloric or highly palatable isocaloric food. Operant training for highly palatable isocaloric food, but not for standard or highly caloric food, produced a robust activation of the ERK signaling cascade in the same brain areas where this training modified structural plasticity. These changes induced by the operant training were absent in CB1-/-. We can conclude that the activation of the ERK pathway is associated to the neuroplasticity induced by operant training for highly palatable isocaloric food and might be involved in CB1-R mediated alterations in behavior and structural plasticity.
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Affiliation(s)
- Thomas Guegan
- Laboratori de Neurofarmacologia, Univeristat Pompeu Fabra, PRBB, Barcelona, Spain
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Gangarossa G, Espallergues J, de Kerchove d'Exaerde A, El Mestikawy S, Gerfen CR, Hervé D, Girault JA, Valjent E. Distribution and compartmental organization of GABAergic medium-sized spiny neurons in the mouse nucleus accumbens. Front Neural Circuits 2013; 7:22. [PMID: 23423476 PMCID: PMC3575607 DOI: 10.3389/fncir.2013.00022] [Citation(s) in RCA: 83] [Impact Index Per Article: 7.5] [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: 12/06/2012] [Accepted: 02/02/2013] [Indexed: 11/21/2022] Open
Abstract
The nucleus accumbens (NAc) is a critical brain region involved in many reward-related behaviors. The NAc comprises major compartments the core and the shell, which encompass several subterritories. GABAergic medium-sized spiny neurons (MSNs) constitute the output neurons of the NAc core and shell. While the functional organization of the NAc core outputs resembles the one described for the dorsal striatum, a simple classification of the NAc shell neurons has been difficult to define due to the complexity of the compartmental segregation of cells. We used a variety of BAC transgenic mice expressing enhanced green fluorescence (EGFP) or the Cre-recombinase (Cre) under the control of the promoter of dopamine D1, D2, and D3 receptors and of adenosine A2a receptor to dissect the microanatomy of the NAc. Moreover, using various immunological markers we characterized in detail the distribution of MSNs in the mouse NAc. In addition, cell-type specific extracellular signal-regulated kinase (ERK) phosphorylation in the NAc subterritories was analyzed following acute administration of SKF81297 (a D1R-like agonist), quinpirole (a D2 receptors (D2R)-like agonist), apomorphine (a non-selective DA receptor agonist), raclopride (a D2R-like antagonist), and psychostimulant drugs, including cocaine and d-amphetamine. Each drug generated a unique topography and cell-type specific activation of ERK in the NAc. Our results show the existence of marked differences in the receptor expression pattern and functional activation of MSNs within the shell subterritories. This study emphasizes the anatomical and functional heterogeneity of the NAc, which will have to be considered in its further study.
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Affiliation(s)
- Giuseppe Gangarossa
- CNRS, UMR-5203, Institut de Génomique Fonctionnelle Montpellier, France ; Inserm, U661 Montpellier, France ; Universités de Montpellier 1 & 2, UMR-5203 Montpellier, France
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