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Naumova AA, Oleynik EA, Khramtsova AV, Nikolaeva SD, Chernigovskaya EV, Glazova MV. Short-term hindlimb unloading negatively affects dopaminergic transmission in the nigrostriatal system of mice. Dev Neurobiol 2023; 83:205-218. [PMID: 37489016 DOI: 10.1002/dneu.22924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 07/04/2023] [Accepted: 07/13/2023] [Indexed: 07/26/2023]
Abstract
The nigrostriatal system composed of the dorsal striatum and the substantia nigra (SN) is highly involved in the control of motor behavior. Various extremal and pathological conditions as well as social isolation (SI) may cause an impairment of locomotor function; however, corresponding alterations in the nigrostriatal dopaminergic pathway are far from full understanding. Here, we analyzed the effect of 3-day hindlimb unloading (HU) and SI on the key players of dopamine transmission in the nigrostriatal system of CD1 mice. Three groups of mice were analyzed: group-housed (GH), SI, and HU animals. Our data showed a significant decrease in the expression and phosphorylation of tyrosine hydroxylase (TH) in the SN and dorsal striatum of HU mice that suggested attenuation of dopamine synthesis in response to HU. In the dorsal striatum of HU mice, the downregulation of TH expression was also observed indicating the effect of unloading; however, TH phosphorylation at Ser40 was mainly affected by SI pointing on an impact of isolation too. Expression of dopamine receptors D1 in the dorsal striatum of HU mice was increased suggesting a compensatory response, but the activity of downstream signaling pathways involving protein kinase A and cAMP response element-binding protein was inhibited. At the same time, SI alone did not affect expression of DA receptors and activity of downstream signaling in the dorsal striatum. Obtained data let us to conclude that HU was the main factor which impaired dopamine transmission in the nigrostriatal system but SI made some contribution to its negative effects.
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Affiliation(s)
- Alexandra A Naumova
- Sechenov Institute of Evolutionary Physiology and Biochemistry of the Russian Academy of Sciences, St. Petersburg, Russia
| | - Ekaterina A Oleynik
- Sechenov Institute of Evolutionary Physiology and Biochemistry of the Russian Academy of Sciences, St. Petersburg, Russia
| | - Anna V Khramtsova
- Sechenov Institute of Evolutionary Physiology and Biochemistry of the Russian Academy of Sciences, St. Petersburg, Russia
| | - Svetlana D Nikolaeva
- Sechenov Institute of Evolutionary Physiology and Biochemistry of the Russian Academy of Sciences, St. Petersburg, Russia
| | - Elena V Chernigovskaya
- Sechenov Institute of Evolutionary Physiology and Biochemistry of the Russian Academy of Sciences, St. Petersburg, Russia
| | - Margarita V Glazova
- Sechenov Institute of Evolutionary Physiology and Biochemistry of the Russian Academy of Sciences, St. Petersburg, Russia
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2
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Kang EM, Jia YB, Wang JY, Wang GY, Chen HJ, Chen XY, Ye YQ, Zhang X, Su XH, Wang JY, He XS. Downregulation of microRNA-124-3p promotes subventricular zone neural stem cell activation by enhancing the function of BDNF downstream pathways after traumatic brain injury in adult rats. CNS Neurosci Ther 2022; 28:1081-1092. [PMID: 35481944 PMCID: PMC9160452 DOI: 10.1111/cns.13845] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 01/29/2022] [Accepted: 02/01/2022] [Indexed: 12/11/2022] Open
Abstract
Aims In this study, the effect of intracerebral ventricle injection with a miR‐124‐3p agomir or antagomir on prognosis and on subventricular zone (SVZ) neural stem cells (NSCs) in adult rats with moderate traumatic brain injury (TBI) was investigated. Methods Model rats with moderate controlled cortical impact (CCI) were established and verified as described previously. The dynamic changes in miR‐124‐3p and the status of NSCs in the SVZ were analyzed. To evaluate the effect of lateral ventricle injection with miR‐124‐3p analogs and inhibitors after TBI, modified neurological severity scores (mNSSs) and rotarod tests were used to assess motor function prognosis. The variation in SVZ NSC marker expression was also explored. Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis of predicted miR‐124‐3p targets was performed to infer miR‐124‐3p functions, and miR‐124‐3p effects on pivotal predicted targets were further explored. Results Administration of miR‐124 inhibitors enhanced SVZ NSC proliferation and improved the motor function of TBI rats. Functional analysis of miR‐124 targets revealed high correlations between miR‐124 and neurotrophin signaling pathways, especially the TrkB downstream pathway. PI3K, Akt3, and Ras were found to be crucial miR‐124 targets and to be involved in most predicted functional pathways. Interference with miR‐124 expression in the lateral ventricle affected the PI3K/Akt3 and Ras pathways in the SVZ, and miR‐124 inhibitors intensified the potency of brain‐derived neurotrophic factor (BDNF) in SVZ NSC proliferation after TBI. Conclusion Disrupting miR‐124 expression through lateral ventricle injection has beneficial effects on neuroregeneration and TBI prognosis. Moreover, the combined use of BDNF and miR‐124 inhibitors might lead to better outcomes in TBI than BDNF treatment alone.
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Affiliation(s)
- En-Ming Kang
- Department of Neurosurgery, Xijing Hospital, Airforce Military Medical University (Fourth Military Medical University), Xi'an, China
| | - Yi-Bin Jia
- Department of Neurosurgery, Xijing Hospital, Airforce Military Medical University (Fourth Military Medical University), Xi'an, China
| | - Jia-You Wang
- Department of Neurosurgery, Xijing Hospital, Airforce Military Medical University (Fourth Military Medical University), Xi'an, China
| | - Guan-Yi Wang
- Department of Neurosurgery, Xijing Hospital, Airforce Military Medical University (Fourth Military Medical University), Xi'an, China
| | - Hui-Jun Chen
- Department of Neurosurgery, Xijing Hospital, Airforce Military Medical University (Fourth Military Medical University), Xi'an, China
| | - Xiao-Yan Chen
- Department of Neurosurgery, Xijing Hospital, Airforce Military Medical University (Fourth Military Medical University), Xi'an, China
| | - Yu-Qin Ye
- Department of Neurosurgery, Xijing Hospital, Airforce Military Medical University (Fourth Military Medical University), Xi'an, China.,Department of Neurosurgery, PLA 163rd Hospital (Second Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Xin Zhang
- Department of Neurosurgery, Xijing Hospital, Airforce Military Medical University (Fourth Military Medical University), Xi'an, China
| | - Xin-Hong Su
- Department of Neurosurgery, Xijing Hospital, Airforce Military Medical University (Fourth Military Medical University), Xi'an, China
| | - Jing-Yu Wang
- Teaching and Research Support Center, Engineering University of Chinese Armed Police Force, Xi'an, Shaanxi, China
| | - Xiao-Sheng He
- Department of Neurosurgery, Xijing Hospital, Airforce Military Medical University (Fourth Military Medical University), Xi'an, China
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3
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Sequeira-Cordero A, Brenes JC. Time-dependent changes in striatal monoamine levels and gene expression following single and repeated amphetamine administration in rats. Eur J Pharmacol 2021; 904:174148. [PMID: 33961872 DOI: 10.1016/j.ejphar.2021.174148] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 04/23/2021] [Accepted: 04/30/2021] [Indexed: 12/13/2022]
Abstract
As drug addiction may result from pathological usurpations of learning and memory's neural mechanisms, we focused on the amphetamine-induced time-dependent neurochemical changes associated with neural plasticity. We used juvenile rats as the risk for drug abuse is higher during adolescence. Experiment 1 served to define the appropriate amphetamine dose and the neurochemical effects of a single administration. In experiment 2, rats received seven amphetamine or saline injections in the open-field test throughout a twelve-day period. We measured the mRNA levels of the brain-derived neurotrophic factor (BDNF), its tropomyosin receptor kinase B (TrkB), the cAMP response element-binding protein (CREB), the microRNA-132, the Rho GTPase-activating protein 32 (p250GAP), the corticotropin-releasing factor (CRF), and monoamines and amino-acids contents in the nucleus accumbens and the dorsal striatum 45, 90, and 180 min after the last injection. We found that amphetamine changed gene expression only at certain time points and in a dose and region-dependent manner. Repeated but not single administrations upregulated accumbal and striatal BDNF (180 min) and striatal pri-miR-132 (90 min) expression, while downregulated accumbal CREB levels (90 min). As only some drug users develop addiction, we compared brain parameters between low and high amphetamine responders. Prone subjects characterized by having reduced striatal 5-HT metabolism, higher accumbal BDNF and TrkB expression, and lower levels of CREB in the dorsal striatum and p250GAP in both regions. Thus, individual differences in drug-induced changes in neurotransmission and gene expression in nigrostriatal and mesolimbic dopaminergic pathways may underlie the plasticity adaptations associated with behavioral sensitization to amphetamine.
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Affiliation(s)
- Andrey Sequeira-Cordero
- Instituto de Investigaciones en Salud, Universidad de Costa Rica, Costa Rica; Centro de Investigación en Neurociencias, Universidad de Costa Rica, Costa Rica.
| | - Juan C Brenes
- Instituto de Investigaciones Psicológicas, Universidad de Costa Rica, Costa Rica; Centro de Investigación en Neurociencias, Universidad de Costa Rica, Costa Rica.
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4
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Fatahi Z, Zeinaddini-Meymand A, Karimi S, Khodagholi F, Haghparast A. Impairment of cost-benefit decision making in morphine-dependent rats is partly mediated via the alteration of BDNF and p-CREB levels in the nucleus accumbens. Pharmacol Biochem Behav 2020; 194:172952. [PMID: 32428531 DOI: 10.1016/j.pbb.2020.172952] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 05/12/2020] [Accepted: 05/14/2020] [Indexed: 02/09/2023]
Abstract
The ability to choose goals based on decision usefulness or the time required to reach the goals chosen are important aspects of decision making. There is considerable evidence in the literature indicating the fact that drug abuse affects different aspects of cognition. In the current study, we assessed the effects of morphine dependence and its withdrawal on cost-benefit decision making and furthermore the involvement of BDNF and p-CREB in the nucleus accumbens, a key brain area involved in decision making was measured. Different groups of male Wistar rats were trained in an effort-based and/or delay-based form of cost-benefit T-maze decision-making task. Thereafter, the animals were morphine dependent and the percentage of the high reward preference was evaluated. After behavioral tests, the BDNF level, and p-CREB/CREB ratio were measured by Western blot analysis. The results showed that during effort-based but not delay-based decision making, BDNF and p-CREB levels increased. During effort-based decision making in morphine dependent rats, BDNF decreased but there was no significant change in p-CREB. Besides, during delay-based decision making in the morphine dependent group, both BDNF and p-CREB did not show any significant change. These findings revealed that BDNF and p-CREB/CREB ratio in the NAc are essential factors for effort-based but not delay-based decision making. In addition, impairment of effort-based decision making in morphine dependent rats is related to the decrease of BDNF level but not p-CREB/CREB ratio in the NAc. However, delay-based decision making defects in morphine dependent rats did not associate with the change in BDNF and p-CREB levels in the NAc.
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Affiliation(s)
- Zahra Fatahi
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Arman Zeinaddini-Meymand
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sara Karimi
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fariba Khodagholi
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abbas Haghparast
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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5
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Bonsi P, Ponterio G, Vanni V, Tassone A, Sciamanna G, Migliarini S, Martella G, Meringolo M, Dehay B, Doudnikoff E, Zachariou V, Goodchild RE, Mercuri NB, D'Amelio M, Pasqualetti M, Bezard E, Pisani A. RGS9-2 rescues dopamine D2 receptor levels and signaling in DYT1 dystonia mouse models. EMBO Mol Med 2019; 11:emmm.201809283. [PMID: 30552094 PMCID: PMC6328939 DOI: 10.15252/emmm.201809283] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Dopamine D2 receptor signaling is central for striatal function and movement, while abnormal activity is associated with neurological disorders including the severe early-onset DYT1 dystonia. Nevertheless, the mechanisms that regulate D2 receptor signaling in health and disease remain poorly understood. Here, we identify a reduced D2 receptor binding, paralleled by an abrupt reduction in receptor protein level, in the striatum of juvenile Dyt1 mice. This occurs through increased lysosomal degradation, controlled by competition between β-arrestin 2 and D2 receptor binding proteins. Accordingly, we found lower levels of striatal RGS9-2 and spinophilin. Further, we show that genetic depletion of RGS9-2 mimics the D2 receptor loss of DYT1 dystonia striatum, whereas RGS9-2 overexpression rescues both receptor levels and electrophysiological responses in Dyt1 striatal neurons. This work uncovers the molecular mechanism underlying D2 receptor downregulation in Dyt1 mice and in turn explains why dopaminergic drugs lack efficacy in DYT1 patients despite significant evidence for striatal D2 receptor dysfunction. Our data also open up novel avenues for disease-modifying therapeutics to this incurable neurological disorder.
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Affiliation(s)
- Paola Bonsi
- Laboratory of Neurophysiology and Plasticity, IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Giulia Ponterio
- Laboratory of Neurophysiology and Plasticity, IRCCS Fondazione Santa Lucia, Rome, Italy.,Department of Systems Medicine, University Tor Vergata, Rome, Italy
| | - Valentina Vanni
- Laboratory of Neurophysiology and Plasticity, IRCCS Fondazione Santa Lucia, Rome, Italy.,Department of Systems Medicine, University Tor Vergata, Rome, Italy
| | - Annalisa Tassone
- Laboratory of Neurophysiology and Plasticity, IRCCS Fondazione Santa Lucia, Rome, Italy.,Department of Systems Medicine, University Tor Vergata, Rome, Italy
| | - Giuseppe Sciamanna
- Laboratory of Neurophysiology and Plasticity, IRCCS Fondazione Santa Lucia, Rome, Italy.,Department of Systems Medicine, University Tor Vergata, Rome, Italy
| | - Sara Migliarini
- Unit of Cell and Developmental Biology, Department of Biology, University of Pisa, Pisa, Italy
| | - Giuseppina Martella
- Laboratory of Neurophysiology and Plasticity, IRCCS Fondazione Santa Lucia, Rome, Italy.,Department of Systems Medicine, University Tor Vergata, Rome, Italy
| | - Maria Meringolo
- Laboratory of Neurophysiology and Plasticity, IRCCS Fondazione Santa Lucia, Rome, Italy.,Department of Systems Medicine, University Tor Vergata, Rome, Italy
| | - Benjamin Dehay
- Université de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France.,CNRS, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France
| | - Evelyne Doudnikoff
- Université de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France.,CNRS, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France
| | - Venetia Zachariou
- Department of Neuroscience, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Rose E Goodchild
- Department of Neurosciences, VIB-KU Leuven Center for Brain and Disease Research, KU Leuven, Leuven, Belgium
| | - Nicola B Mercuri
- Laboratory of Neurophysiology and Plasticity, IRCCS Fondazione Santa Lucia, Rome, Italy.,Department of Systems Medicine, University Tor Vergata, Rome, Italy
| | - Marcello D'Amelio
- Laboratory Molecular Neurosciences, IRCCS Fondazione Santa Lucia, Rome, Italy.,Unit of Molecular Neurosciences, Department of Medicine, University Campus-Biomedico, Rome, Italy
| | - Massimo Pasqualetti
- Unit of Cell and Developmental Biology, Department of Biology, University of Pisa, Pisa, Italy.,Center for Neuroscience and Cognitive Systems @UniTn, Istituto Italiano di Tecnologia, Rovereto, Italy
| | - Erwan Bezard
- Université de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France.,CNRS, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France
| | - Antonio Pisani
- Laboratory of Neurophysiology and Plasticity, IRCCS Fondazione Santa Lucia, Rome, Italy .,Department of Systems Medicine, University Tor Vergata, Rome, Italy
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6
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Wu P, Zhao H, Gou X, Wu X, Zhang S, Deng G, Chen Q. Targeted delivery of polypeptide nanoparticle for treatment of traumatic brain injury. Int J Nanomedicine 2019; 14:4059-4069. [PMID: 31213815 PMCID: PMC6549727 DOI: 10.2147/ijn.s202353] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 05/14/2019] [Indexed: 12/23/2022] Open
Abstract
Background and purpose: Traumatic brain injury (TBI) is a major disease without effective treatment. Recently, Tat-NR2B9c peptide emerged as a promising neuroprotective agent, but limited in clinical translation by it low brain penetrability. We synthesized Tat-NR2B9c loaded self-assembled activatable protein nanoparticles, termed TN-APNPs, and demonstrated that TN-APNPs enhanced the delivery of Tat-NR2B9c to the brain lesion in stroke. Herein we developed a novel approach to further engineering TN-APNPs for targeted delivery of Tat-NR2B9c to the injured brain with enhanced efficiency through conjugation of CAQK or CCAQK, a short peptide. Methods: Short peptide-conjugated TN-APNPs were synthesized by conjugated with CAQK or CCAQK via a click condensation reaction with CBT, then analyzed by dynamic light scattering, transmission electron microscopy and thrombin responsive assay. Characterization of short peptide-conjugated TN-APNPs were investigated by using cell excitotoxicity assay and transwell blood-brain-barrier model in vitro, and pharmacokinetics, IVIS imaging system and confocal analysis in TBI-bearing mice. Evaluation of therapeutic effects were analyzed by H&E staining, Elevated Plus Maze analysis and Rotarod test. Results: CAQK-conjugated TN-APNPs (C-TN-APNPs) and CCAQK-conjugated TN-APNPs (CC-TN-APNPs) were spherical in morphology and 30 nm in diameter. In vitro studies revealed that TN-APNPs, C-TN-APNPs and CC-TN-APNPs were responsive to thrombin cleavage, reduced the cytotoxicity of Tat-NR2B9c, and increased BBB permeability of Tat-NR2B9c. CC-TN-APNPs demonstrated the better circulation time, better targeting ability and penetrating efficiency to the injured brain, and better therapeutic benefits in vivo studies. Conclusion: This study demonstrated CC-TN-APNPs as a promising therapeutic for clinical management of TBI.
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Affiliation(s)
- Peng Wu
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, Hubei430060, People’s Republic of China
| | - Haitian Zhao
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, People’s Republic of China
| | - Xingchun Gou
- Shaanxi Key Laboratory of Brain Disorders & Institute of Basic and Translational Medicine, Xi’an Medical University, Xi’an710021, People’s Republic of China
| | - Xingwang Wu
- Department of Radiology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230020, People’s Republic of China
| | - Shenqi Zhang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, Hubei430060, People’s Republic of China
| | - Gang Deng
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, Hubei430060, People’s Republic of China
| | - Qianxue Chen
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, Hubei430060, People’s Republic of China
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7
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Hoffmann HM, Crouzin N, Moreno E, Raivio N, Fuentes S, McCormick PJ, Ortiz J, Vignes M. Long-Lasting Impairment of mGluR5-Activated Intracellular Pathways in the Striatum After Withdrawal of Cocaine Self-Administration. Int J Neuropsychopharmacol 2016; 20:72-82. [PMID: 27744406 PMCID: PMC5412585 DOI: 10.1093/ijnp/pyw086] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Accepted: 09/22/2016] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND Cocaine addiction continues to be a major heath concern, and despite public health intervention there is a lack of efficient pharmacological treatment options. A newly identified potential target are the group I metabotropic glutamate receptors, with allosteric modulators showing particular promise. METHODS We evaluated the capacity of group I metabotropic glutamate receptors to induce functional responses in ex vivo striatal slices from rats with (1) acute cocaine self-administration, (2) chronic cocaine self-administration, and (3) 60 days cocaine self-administration withdrawal by Western blot and extracellular recordings of synaptic transmission. RESULTS We found that striatal group I metabotropic glutamate receptors are the principal mediator of the mGluR1/5 agonist (RS)-3,5-dihydroxyphenylglycine-induced cAMP responsive-element binding protein phosphorylation. Both acute and chronic cocaine self-administration blunted group I metabotropic glutamate receptor effects on cAMP responsive-element binding protein phosphorylation in the striatum, which correlated with the capacity to induce long-term depression, an effect that was maintained 60 days after chronic cocaine self-administration withdrawal. In the nucleus accumbens, the principal brain region mediating the rewarding effects of drugs, chronic cocaine self-administration blunted group I metabotropic glutamate receptor stimulation of extracellular signal-regulated protein kinases 1/2 and cAMP responsive-element binding protein. Interestingly, the group I metabotropic glutamate receptor antagonist/inverse-agonist, 2-methyl-6-(phenylethynyl)pyridine hydrochloride, led to a specific increase in cAMP responsive-element binding protein phosphorylation after chronic cocaine self-administration, specifically in the nucleus accumbens, but not in the striatum. CONCLUSIONS Prolonged cocaine self-administration, through withdrawal, leads to a blunting of group I metabotropic glutamate receptor responses in the striatum. In addition, specifically in the accumbens, group I metabotropic glutamate receptor signaling to cAMP responsive-element binding protein shifts from an agonist-induced to an antagonist-induced cAMP responsive-element binding protein phosphorylation.
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Affiliation(s)
- Hanne Mette Hoffmann
- Oxidative Stress and Neuroprotection, IBMM, CNRS UMR-5247, University of Montpellier II, Montpellier, France (Drs Hoffmann, Crouzin, and Vignes); Neuroscience Institute and Department of Biochemistry and Molecular Biology, School of Medicine, Universitat Autonoma de Barcelona, Bellaterra, Spain (Dr Hoffmann, Ms Raivio, Dr Fuentes, and Dr Ortiz); Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas. Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Barcelona, Spain (Drs Moreno and McCormick); University of East Anglia, School of Pharmacy, NR4 7TJ, Norwich, United Kingdom (Dr McCormick)
| | - Nadine Crouzin
- Oxidative Stress and Neuroprotection, IBMM, CNRS UMR-5247, University of Montpellier II, Montpellier, France (Drs Hoffmann, Crouzin, and Vignes); Neuroscience Institute and Department of Biochemistry and Molecular Biology, School of Medicine, Universitat Autonoma de Barcelona, Bellaterra, Spain (Dr Hoffmann, Ms Raivio, Dr Fuentes, and Dr Ortiz); Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas. Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Barcelona, Spain (Drs Moreno and McCormick); University of East Anglia, School of Pharmacy, NR4 7TJ, Norwich, United Kingdom (Dr McCormick)
| | - Estefanía Moreno
- Oxidative Stress and Neuroprotection, IBMM, CNRS UMR-5247, University of Montpellier II, Montpellier, France (Drs Hoffmann, Crouzin, and Vignes); Neuroscience Institute and Department of Biochemistry and Molecular Biology, School of Medicine, Universitat Autonoma de Barcelona, Bellaterra, Spain (Dr Hoffmann, Ms Raivio, Dr Fuentes, and Dr Ortiz); Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas. Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Barcelona, Spain (Drs Moreno and McCormick); University of East Anglia, School of Pharmacy, NR4 7TJ, Norwich, United Kingdom (Dr McCormick)
| | - Noora Raivio
- Oxidative Stress and Neuroprotection, IBMM, CNRS UMR-5247, University of Montpellier II, Montpellier, France (Drs Hoffmann, Crouzin, and Vignes); Neuroscience Institute and Department of Biochemistry and Molecular Biology, School of Medicine, Universitat Autonoma de Barcelona, Bellaterra, Spain (Dr Hoffmann, Ms Raivio, Dr Fuentes, and Dr Ortiz); Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas. Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Barcelona, Spain (Drs Moreno and McCormick); University of East Anglia, School of Pharmacy, NR4 7TJ, Norwich, United Kingdom (Dr McCormick)
| | - Silvia Fuentes
- Oxidative Stress and Neuroprotection, IBMM, CNRS UMR-5247, University of Montpellier II, Montpellier, France (Drs Hoffmann, Crouzin, and Vignes); Neuroscience Institute and Department of Biochemistry and Molecular Biology, School of Medicine, Universitat Autonoma de Barcelona, Bellaterra, Spain (Dr Hoffmann, Ms Raivio, Dr Fuentes, and Dr Ortiz); Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas. Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Barcelona, Spain (Drs Moreno and McCormick); University of East Anglia, School of Pharmacy, NR4 7TJ, Norwich, United Kingdom (Dr McCormick)
| | - Peter J. McCormick
- Oxidative Stress and Neuroprotection, IBMM, CNRS UMR-5247, University of Montpellier II, Montpellier, France (Drs Hoffmann, Crouzin, and Vignes); Neuroscience Institute and Department of Biochemistry and Molecular Biology, School of Medicine, Universitat Autonoma de Barcelona, Bellaterra, Spain (Dr Hoffmann, Ms Raivio, Dr Fuentes, and Dr Ortiz); Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas. Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Barcelona, Spain (Drs Moreno and McCormick); University of East Anglia, School of Pharmacy, NR4 7TJ, Norwich, United Kingdom (Dr McCormick)
| | - Jordi Ortiz
- Present address (H.M.H.): Department of Reproductive Medicine, 349 Leichtag Biomedical Research Building, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0674
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8
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Gehring KB, Heufelder K, Feige J, Bauer P, Dyck Y, Ehrhardt L, Kühnemund J, Bergmann A, Göbel J, Isecke M, Eisenhardt D. Involvement of phosphorylated Apis mellifera CREB in gating a honeybee's behavioral response to an external stimulus. Learn Mem 2016; 23:195-207. [PMID: 27084927 PMCID: PMC4836635 DOI: 10.1101/lm.040964.115] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Accepted: 02/23/2016] [Indexed: 11/24/2022]
Abstract
The transcription factor cAMP-response element-binding protein (CREB) is involved in neuronal plasticity. Phosphorylation activates CREB and an increased level of phosphorylated CREB is regarded as an indicator of CREB-dependent transcriptional activation. In honeybees(Apis mellifera)we recently demonstrated a particular high abundance of the phosphorylated honeybee CREB homolog (pAmCREB) in the central brain and in a subpopulation of mushroom body neurons. We hypothesize that these high pAmCREB levels are related to learning and memory formation. Here, we tested this hypothesis by analyzing brain pAmCREB levels in classically conditioned bees and bees experiencing unpaired presentations of conditioned stimulus (CS) and unconditioned stimulus (US). We demonstrate that both behavioral protocols display differences in memory formation but do not alter the level of pAmCREB in bee brains directly after training. Nevertheless, we report that bees responding to the CS during unpaired stimulus presentations exhibit higher levels of pAmCREB than nonresponding bees. In addition, Trichostatin A, a histone deacetylase inhibitor that is thought to enhance histone acetylation by CREB-binding protein, increases the bees' CS responsiveness. We conclude that pAmCREB is involved in gating a bee's behavioral response driven by an external stimulus.
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Affiliation(s)
- Katrin B Gehring
- Freie Universität Berlin, Institut für Biologie - Neurobiologie, D-14195 Berlin, Germany
| | - Karin Heufelder
- Freie Universität Berlin, Institut für Biologie - Neurobiologie, D-14195 Berlin, Germany
| | - Janina Feige
- Freie Universität Berlin, Institut für Biologie - Neurobiologie, D-14195 Berlin, Germany
| | - Paul Bauer
- Freie Universität Berlin, Institut für Biologie - Neurobiologie, D-14195 Berlin, Germany
| | - Yan Dyck
- Freie Universität Berlin, Institut für Biologie - Neurobiologie, D-14195 Berlin, Germany
| | - Lea Ehrhardt
- Freie Universität Berlin, Institut für Biologie - Neurobiologie, D-14195 Berlin, Germany
| | - Johannes Kühnemund
- Freie Universität Berlin, Institut für Biologie - Neurobiologie, D-14195 Berlin, Germany
| | - Anja Bergmann
- Freie Universität Berlin, Institut für Biologie - Neurobiologie, D-14195 Berlin, Germany
| | - Josefine Göbel
- Freie Universität Berlin, Institut für Biologie - Neurobiologie, D-14195 Berlin, Germany
| | - Marlene Isecke
- Freie Universität Berlin, Institut für Biologie - Neurobiologie, D-14195 Berlin, Germany
| | - Dorothea Eisenhardt
- Freie Universität Berlin, Institut für Biologie - Neurobiologie, D-14195 Berlin, Germany
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9
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Heyer MP, Kenny PJ. Corticostriatal microRNAs in addiction. Brain Res 2015; 1628:2-16. [DOI: 10.1016/j.brainres.2015.07.047] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 07/11/2015] [Accepted: 07/25/2015] [Indexed: 01/28/2023]
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10
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Bilbao A, Rieker C, Cannella N, Parlato R, Golda S, Piechota M, Korostynski M, Engblom D, Przewlocki R, Schütz G, Spanagel R, Parkitna JR. CREB activity in dopamine D1 receptor expressing neurons regulates cocaine-induced behavioral effects. Front Behav Neurosci 2014; 8:212. [PMID: 24966820 PMCID: PMC4052973 DOI: 10.3389/fnbeh.2014.00212] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Accepted: 05/26/2014] [Indexed: 12/19/2022] Open
Abstract
It is suggested that striatal cAMP responsive element binding protein (CREB) regulates sensitivity to psychostimulants. To test the cell-specificity of this hypothesis we examined the effects of a dominant-negative CREB protein variant expressed in dopamine receptor D1 (D1R) neurons on cocaine-induced behaviors. A transgenic mouse strain was generated by pronuclear injection of a BAC-derived transgene harboring the A-CREB sequence under the control of the D1R gene promoter. Compared to wild-type, drug-naïve mutants showed moderate alterations in gene expression, especially a reduction in basal levels of activity-regulated transcripts such as Arc and Egr2. The behavioral responses to cocaine were elevated in mutant mice. Locomotor activity after acute treatment, psychomotor sensitization after intermittent drug injections and the conditioned locomotion after saline treatment were increased compared to wild-type littermates. Transgenic mice had significantly higher cocaine conditioned place preference, displayed normal extinction of the conditioned preference, but showed an augmented cocaine-seeking response following priming-induced reinstatement. This enhanced cocaine-seeking response was associated with increased levels of activity-regulated transcripts and prodynorphin. The primary reinforcing effects of cocaine were not altered in the mutant mice as they did not differ from wild-type in cocaine self-administration under a fixed ratio schedule at the training dose. Collectively, our data indicate that expression of a dominant-negative CREB variant exclusively in neurons expressing D1R is sufficient to recapitulate the previously reported behavioral phenotypes associated with virally expressed dominant-negative CREB.
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Affiliation(s)
- Ainhoa Bilbao
- Institute of Psychopharmacology, Central Institute of Mental Health, Faculty of Medicine Mannheim, University of Heidelberg Heidelberg, Germany
| | - Claus Rieker
- Department of Molecular Biology of the Cell I, DKFZ-ZMBH Alliance, German Cancer Research Center Heidelberg, Germany
| | - Nazzareno Cannella
- Institute of Psychopharmacology, Central Institute of Mental Health, Faculty of Medicine Mannheim, University of Heidelberg Heidelberg, Germany
| | - Rosanna Parlato
- Department of Molecular Biology of the Cell I, DKFZ-ZMBH Alliance, German Cancer Research Center Heidelberg, Germany ; Institute of Applied Physiology, University of Ulm Ulm, Germany ; Department of Medical Biology, Institute of Anatomy and Cell Biology, University of Heidelberg Heidelberg, Germany
| | - Slawomir Golda
- Department of Molecular Neuropharmacology, Institute of Pharmacology of the Polish Academy of Sciences Krakow, Poland
| | - Marcin Piechota
- Department of Molecular Neuropharmacology, Institute of Pharmacology of the Polish Academy of Sciences Krakow, Poland
| | - Michal Korostynski
- Department of Molecular Neuropharmacology, Institute of Pharmacology of the Polish Academy of Sciences Krakow, Poland
| | - David Engblom
- Department of Molecular Biology of the Cell I, DKFZ-ZMBH Alliance, German Cancer Research Center Heidelberg, Germany
| | - Ryszard Przewlocki
- Department of Molecular Neuropharmacology, Institute of Pharmacology of the Polish Academy of Sciences Krakow, Poland
| | - Günther Schütz
- Department of Molecular Biology of the Cell I, DKFZ-ZMBH Alliance, German Cancer Research Center Heidelberg, Germany
| | - Rainer Spanagel
- Institute of Psychopharmacology, Central Institute of Mental Health, Faculty of Medicine Mannheim, University of Heidelberg Heidelberg, Germany
| | - Jan R Parkitna
- Department of Molecular Biology of the Cell I, DKFZ-ZMBH Alliance, German Cancer Research Center Heidelberg, Germany ; Department of Molecular Neuropharmacology, Institute of Pharmacology of the Polish Academy of Sciences Krakow, Poland
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11
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Baldan LC, Williams KA, Gallezot JD, Pogorelov V, Rapanelli M, Crowley M, Anderson GM, Loring E, Gorczyca R, Billingslea E, Wasylink S, Panza KE, Ercan-Sencicek AG, Krusong K, Leventhal BL, Ohtsu H, Bloch MH, Hughes ZA, Krystal JH, Mayes L, de Araujo I, Ding YS, State MW, Pittenger C. Histidine decarboxylase deficiency causes tourette syndrome: parallel findings in humans and mice. Neuron 2014; 81:77-90. [PMID: 24411733 DOI: 10.1016/j.neuron.2013.10.052] [Citation(s) in RCA: 181] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/18/2013] [Indexed: 11/25/2022]
Abstract
Tourette syndrome (TS) is characterized by tics, sensorimotor gating deficiencies, and abnormalities of cortico-basal ganglia circuits. A mutation in histidine decarboxylase (Hdc), the key enzyme for the biosynthesis of histamine (HA), has been implicated as a rare genetic cause. Hdc knockout mice exhibited potentiated tic-like stereotypies, recapitulating core phenomenology of TS; these were mitigated by the dopamine (DA) D2 antagonist haloperidol, a proven pharmacotherapy, and by HA infusion into the brain. Prepulse inhibition was impaired in both mice and humans carrying Hdc mutations. HA infusion reduced striatal DA levels; in Hdc knockout mice, striatal DA was increased and the DA-regulated immediate early gene Fos was upregulated. DA D2/D3 receptor binding was altered both in mice and in humans carrying the Hdc mutation. These data confirm histidine decarboxylase deficiency as a rare cause of TS and identify HA-DA interactions in the basal ganglia as an important locus of pathology.
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Affiliation(s)
| | - Kyle A Williams
- Department of Psychiatry, Yale University School of Medicine.,Department of Child Study Center, Yale University School of Medicine
| | | | | | | | - Michael Crowley
- Department of Child Study Center, Yale University School of Medicine
| | - George M Anderson
- Department of Child Study Center, Yale University School of Medicine.,Department of Laboratory Medicine, Yale University School of Medicine
| | - Erin Loring
- Department of Child Study Center, Yale University School of Medicine.,Department of Genetics, Yale University School of Medicine.,Department of Program on Neurogenetics, Yale University School of Medicine
| | | | | | | | - Kaitlyn E Panza
- Department of Child Study Center, Yale University School of Medicine
| | - A Gulhan Ercan-Sencicek
- Department of Child Study Center, Yale University School of Medicine.,Department of Genetics, Yale University School of Medicine
| | - Kuakarun Krusong
- Department of Psychiatry, Yale University School of Medicine.,Dept. of Biochem., Faculty of Science, Chulalongkorn Univ., Bangkok, Thailand
| | - Bennett L Leventhal
- Nathan S. Kline Institute for Psychiatric Research.,New York University Dept of Child and Adolescent Psychiatry
| | - Hiroshi Ohtsu
- Tohoku University, Graduate School of Engineering, Sendai, Japan
| | - Michael H Bloch
- Department of Psychiatry, Yale University School of Medicine.,Department of Child Study Center, Yale University School of Medicine
| | - Zoë A Hughes
- Neuroscience Research Unit, Pfizer, Inc., Cambridge, MA
| | - John H Krystal
- Department of Psychiatry, Yale University School of Medicine
| | - Linda Mayes
- Department of Psychiatry, Yale University School of Medicine.,Department of Child Study Center, Yale University School of Medicine.,Department of Pediatrics, Yale University School of Medicine.,Department of Psychology, Yale University School of Medicine
| | - Ivan de Araujo
- Department of Psychiatry, Yale University School of Medicine.,John B. Pierce Laboratory, New Haven, CT
| | - Yu-Shin Ding
- Department of Diagnostic Radiology, Yale University School of Medicine
| | - Matthew W State
- Department of Psychiatry, Yale University School of Medicine.,Department of Child Study Center, Yale University School of Medicine.,Department of Genetics, Yale University School of Medicine.,Department of Program on Neurogenetics, Yale University School of Medicine
| | - Christopher Pittenger
- Department of Psychiatry, Yale University School of Medicine.,Department of Child Study Center, Yale University School of Medicine.,Department of Psychology, Yale University School of Medicine.,Integrated Neuroscience Research Program; New Haven, CT 06520
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12
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Valzachi MC, Teodorov E, Marcourakis T, Bailey A, Camarini R. Enhancement of behavioral sensitization, anxiety-like behavior, and hippocampal and frontal cortical CREB levels following cocaine abstinence in mice exposed to cocaine during adolescence. PLoS One 2013; 8:e78317. [PMID: 24205196 PMCID: PMC3804566 DOI: 10.1371/journal.pone.0078317] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2013] [Accepted: 09/11/2013] [Indexed: 12/29/2022] Open
Abstract
Adolescence has been linked to greater risk-taking and novelty-seeking behavior and a higher prevalence of drug abuse and risk of relapse. Decreases in cyclic adenosine monophosphate response element binding protein (CREB) and phosphorylated CREB (pCREB) have been reported after repeated cocaine administration in animal models. We compared the behavioral effects of cocaine and abstinence in adolescent and adult mice and investigated possible age-related differences in CREB and pCREB levels. Adolescent and adult male Swiss mice received one daily injection of saline or cocaine (10 mg/kg, i.p.) for 8 days. On day 9, the mice received a saline injection to evaluate possible environmental conditioning. After 9 days of withdrawal, the mice were tested in the elevated plus maze to evaluate anxiety-like behavior. Twelve days after the last saline/cocaine injection, the mice received a challenge injection of either cocaine or saline, and locomotor activity was assessed. One hour after the last injection, the brains were extracted, and CREB and pCREB levels were evaluated using Western blot in the prefrontal cortex (PFC) and hippocampus. The cocaine-pretreated mice during adolescence exhibited a greater magnitude of the expression of behavioral sensitization and greater cocaine withdrawal-induced anxiety-like behavior compared with the control group. Significant increases in CREB levels in the PFC and hippocampus and pCREB in the hippocampus were observed in cocaine-abstinent animals compared with the animals treated with cocaine in adulthood. Interestingly, significant negative correlations were observed between cocaine sensitization and CREB levels in both regions. These results suggest that the behavioral and neurochemical consequences of psychoactive substances in a still-developing nervous system can be more severe than in an already mature nervous system.
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Affiliation(s)
- Maria Cristina Valzachi
- Departamento de Farmacologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Elizabeth Teodorov
- Centro de Matemática, Computação e Cognição, Universidade Federal do ABC, São Paulo, SP, Brazil
| | - Tania Marcourakis
- Departamento de Análises Toxicológicas e Clínicas, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Alexis Bailey
- Department of Biochemistry & Physiology, Faculty of Health & Medical Sciences, University of Surrey, Guildford, Surrey, United Kingdom
| | - Rosana Camarini
- Departamento de Farmacologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, Brazil
- * E-mail:
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13
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Cerovic M, d'Isa R, Tonini R, Brambilla R. Molecular and cellular mechanisms of dopamine-mediated behavioral plasticity in the striatum. Neurobiol Learn Mem 2013; 105:63-80. [PMID: 23827407 DOI: 10.1016/j.nlm.2013.06.013] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Revised: 06/20/2013] [Accepted: 06/23/2013] [Indexed: 12/25/2022]
Abstract
The striatum is the input structure of the basal ganglia system. By integrating glutamatergic signals from cortical and subcortical regions and dopaminergic signals from mesolimbic nuclei the striatum functions as an important neural substrate for procedural and motor learning as well as for reward-guided behaviors. In addition, striatal activity is significantly altered in pathological conditions in which either a loss of dopamine innervation (Parkinson's disease) or aberrant dopamine-mediated signaling (drug addiction and L-DOPA induced dyskinesia) occurs. Here we discuss cellular mechanisms of striatal synaptic plasticity and aspects of cell signaling underlying striatum-dependent behavior, with a major focus on the neuromodulatory action of the endocannabinoid system and on the role of the Ras-ERK cascade.
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Affiliation(s)
- Milica Cerovic
- School of Biosciences, Cardiff University, CF10 3AX Cardiff, UK
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14
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Madsen HB, Brown RM, Lawrence AJ. Neuroplasticity in addiction: cellular and transcriptional perspectives. Front Mol Neurosci 2012; 5:99. [PMID: 23162427 PMCID: PMC3495339 DOI: 10.3389/fnmol.2012.00099] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2012] [Accepted: 10/20/2012] [Indexed: 12/17/2022] Open
Abstract
Drug addiction is a chronic, relapsing brain disorder which consists of compulsive patterns of drug-seeking and taking that occurs at the expense of other activities. The transition from casual to compulsive drug use and the enduring propensity to relapse is thought to be underpinned by long-lasting neuroadaptations in specific brain circuitry, analogous to those that underlie long-term memory formation. Research spanning the last two decades has made great progress in identifying cellular and molecular mechanisms that contribute to drug-induced changes in plasticity and behavior. Alterations in synaptic transmission within the mesocorticolimbic and corticostriatal pathways, and changes in the transcriptional potential of cells by epigenetic mechanisms are two important means by which drugs of abuse can induce lasting changes in behavior. In this review we provide a summary of more recent research that has furthered our understanding of drug-induced neuroplastic changes both at the level of the synapse, and on a transcriptional level, and how these changes may relate to the human disease of addiction.
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Affiliation(s)
- Heather B Madsen
- Addiction Neuroscience Laboratory, Florey Institute of Neuroscience and Mental Health Parkville, VIC, Australia
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15
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Regional and cell-type-specific effects of DAMGO on striatal D1 and D2 dopamine receptor-expressing medium-sized spiny neurons. ASN Neuro 2012; 4:AN20110063. [PMID: 22273000 PMCID: PMC3297119 DOI: 10.1042/an20110063] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The striatum can be divided into the DLS (dorsolateral striatum) and the VMS (ventromedial striatum), which includes NAcC (nucleus accumbens core) and NAcS (nucleus accumbens shell). Here, we examined differences in electrophysiological properties of MSSNs (medium-sized spiny neurons) based on their location, expression of DA (dopamine) D1/D2 receptors and responses to the μ-opioid receptor agonist, DAMGO {[D-Ala2-MePhe4-Gly(ol)5]enkephalin}. The main differences in morphological and biophysical membrane properties occurred among striatal sub-regions. MSSNs in the DLS were larger, had higher membrane capacitances and lower Rin (input resistances) compared with cells in the VMS. RMPs (resting membrane potentials) were similar among regions except for D2 cells in the NAcC, which displayed a significantly more depolarized RMP. In contrast, differences in frequency of spontaneous excitatory synaptic inputs were more prominent between cell types, with D2 cells receiving significantly more excitatory inputs than D1 cells, particularly in the VMS. Inhibitory inputs were not different between D1 and D2 cells. However, MSSNs in the VMS received more inhibitory inputs than those in the DLS. Acute application of DAMGO reduced the frequency of spontaneous excitatory and inhibitory postsynaptic currents, but the effect was greater in the VMS, in particular in the NAcS, where excitatory currents from D2 cells and inhibitory currents from D1 cells were inhibited by the largest amount. DAMGO also increased cellular excitability in the VMS, as shown by reduced threshold for evoking APs (action potentials). Together the present findings help elucidate the regional and cell-type-specific substrate of opioid actions in the striatum and point to the VMS as a critical mediator of DAMGO effects.
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Key Words
- ACSF, artificial cerebrospinal fluid
- AHP, after hyperpolarization
- AP, action potential
- AP-5, dl-2-amino-5-phosphonovaleric acid
- BIC, bicuculline
- CNQX, 6-cyano-7-nitroquinoxaline-2,3-dione
- CsMeth, Cs-methanesulfonate
- D1/D2 receptors
- DA, dopamine
- DAMGO, [d-Ala2-MePhe4-Gly(ol)5]enkephalin
- DLS, dorsolateral striatum
- EGFP, enhanced green fluorescent protein
- EPSC, excitatory postsynaptic current
- IPSC, inhibitory postsynaptic current
- KGluc, K-gluconate
- MSSN, medium-sized spiny neuron
- NAcC, nucleus accumbens core
- NAcS, nucleus accumbens shell
- RMP, resting membrane potential
- Rin, input resistance
- TBST, TBS containing 0.1% Tween 20
- TTX, tetrodotoxin
- UCLA, University of California at Los Angeles
- VMS, ventromedial striatum
- VTA, ventral tegmental area
- electrophysiology
- mEPSC, miniature EPSC
- mIPSC, miniature IPSC
- nucleus accumbens
- opioid receptors
- sEPSC, spontaneous EPSC
- sIPSC, spontaneous IPSC
- striatum
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16
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Madsen HB, Navaratnarajah S, Farrugia J, Djouma E, Ehrlich M, Mantamadiotis T, Van Deursen J, Lawrence AJ. CREB1 and CREB-binding protein in striatal medium spiny neurons regulate behavioural responses to psychostimulants. Psychopharmacology (Berl) 2012; 219:699-713. [PMID: 21766169 DOI: 10.1007/s00213-011-2406-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2011] [Accepted: 06/18/2011] [Indexed: 12/27/2022]
Abstract
RATIONALE The transcription factor cAMP responsive element-binding protein 1 (CREB1) has a complex influence on behavioural responses to drugs of abuse which varies depending on the brain region in which it is expressed. In response to drug exposure, CREB1 is phosphorylated in the striatum, a structure that is critically involved in reward-related learning. OBJECTIVE The present study assessed the role of striatal CREB1 and its coactivator CREB-binding protein (CBP) in behavioural responses to psychostimulants. METHODS Using the 'cre/lox' recombination system, we generated mice with a postnatal deletion of CREB1 or CBP directed to medium spiny neurons of the striatum. qRT-PCR and immunohistochemistry were used to confirm the deletion, and mice were assessed with respect to their locomotor response to acute cocaine (20 mg/kg), cocaine sensitization (10 mg/kg), amphetamine-induced stereotypies (10 mg/kg) and ethanol-induced hypnosis (3.5 g/kg). RESULTS Here we show that CREB1 mutant mice have increased sensitivity to psychostimulants, an effect that does not generalise to ethanol-induced hypnosis. Furthermore, in the absence of CREB1, there is rapid postnatal upregulation of the related transcription factor CREM, indicating possible redundancy amongst this family of transcription factors. Finally striatal deletion of CBP, a coactivator for the CREB1/CREM signalling pathway, results in an even more increased sensitivity to psychostimulants. CONCLUSIONS These data suggest that striatal CREB1 regulates sensitivity to psychostimulants and that CREM acting via CBP is able to partially compensate in the absence of CREB1 signalling.
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17
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Disrupting effect of drug-induced reward on spatial but not cue-guided learning: implication of the striatal protein kinase A/cAMP response element-binding protein pathway. J Neurosci 2012; 31:16517-28. [PMID: 22090478 DOI: 10.1523/jneurosci.1787-11.2011] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
The multiple memory systems hypothesis posits that different neural circuits function in parallel and may compete for information processing and storage. For example, instrumental conditioning would depend on the striatum, whereas spatial memory may be mediated by a circuit centered on the hippocampus. However, the nature of the task itself is not sufficient to select durably one system over the other. In this study, we investigated the effects of natural and pharmacological rewards on the selection of a particular memory system during learning. We compared the effects of food- or drug-induced activation of the reward system on cue-guided versus spatial learning using a Y-maze discrimination task. Drug-induced reward severely impaired the acquisition of a spatial discrimination task but spared the cued version of the task. Immunohistochemical analysis of the phosphorylated form of the cAMP response element binding (CREB) protein and c-Fos expression induced by behavioral testing revealed that the spatial deficit was associated with a decrease of both markers within the hippocampus and the prefrontal cortex. In contrast, drug reward potentiated the cued learning-induced CREB phosphorylation within the dorsal striatum. Administration of the protein kinase A inhibitor 8-Bromo-adenosine-3',5'-cyclic monophosphorothioate Rp isomer (Rp-cAMPS) into the dorsal striatum before training completely reversed the drug-induced spatial deficit and restored CREB phosphorylation levels within the hippocampus and the prefrontal cortex. Therefore, drug-induced striatal hyperactivity may underlie the declarative memory deficit reported here. This mechanism could represent an important early step toward the development of addictive behaviors by promoting conditioning to the detriment of more flexible forms of memory.
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18
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Fasano S, Brambilla R. Ras-ERK Signaling in Behavior: Old Questions and New Perspectives. Front Behav Neurosci 2011; 5:79. [PMID: 22131969 PMCID: PMC3223382 DOI: 10.3389/fnbeh.2011.00079] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2011] [Accepted: 11/03/2011] [Indexed: 11/13/2022] Open
Abstract
The role of Ras–ERK signaling in behavioral plasticity is well established. Inhibition studies using the blood–brain barrier permeable drug SL327 have conclusively demonstrated that this neuronal cell signaling cascade is a crucial component of the synaptic machinery implicated in the formation of various forms of long-term memory, from spatial learning to fear and operant conditioning. However, abnormal Ras–ERK signaling has also been linked to a number of neuropsychiatric conditions, including mental retardation syndromes (“RASopathies”), drug addiction, and l-DOPA induced dyskinesia (LID). The work recently done on these brain disorders has pointed to previously underappreciated roles of Ras–ERK in specific subsets of neurons, like GABAergic interneurons of the hippocampus or the cortex, as well as in the medium spiny neurons of the striatum. Here we will highlight the open questions related to Ras–ERK signaling in these behavioral manifestations and propose crucial experiments for the future.
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Affiliation(s)
- Stefania Fasano
- Institute of Experimental Neurology, Division of Neuroscience, San Raffaele Scientific Institute and University Milano, Italy
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19
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Barco A, Marie H. Genetic approaches to investigate the role of CREB in neuronal plasticity and memory. Mol Neurobiol 2011; 44:330-49. [PMID: 21948060 DOI: 10.1007/s12035-011-8209-x] [Citation(s) in RCA: 92] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2011] [Accepted: 09/09/2011] [Indexed: 12/31/2022]
Abstract
In neurons, the convergence of multiple intracellular signaling cascades leading to cAMP-responsive element-binding protein (CREB) activation suggests that this transcription factor plays a critical role in integrating different inputs and mediating appropriate neuronal responses. The nature of this transcriptional response depends on both the type and strength of the stimulus and the cellular context. CREB-dependent gene expression has been involved in many different aspects of nervous system function, from embryonic development to neuronal survival, and synaptic, structural, and intrinsic plasticity. Here, we first review the different methodological approaches used to genetically manipulate CREB activity and levels in neurons in vivo in the adult brain, including recombinant viral vectors, mouse transgenesis, and gene-targeting techniques. We then discuss the impact of these approaches on our understanding of CREB's roles in neuronal plasticity and memory in rodents. Studies combining these genetic approaches with electrophysiology and behavior provide strong evidence that CREB is critically involved in the regulation of synaptic plasticity, intrinsic excitability, and long-term memory formation. These findings pave the way for the development of novel therapeutic strategies to treat memory disorders.
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Affiliation(s)
- Angel Barco
- Instituto de Neurociencias de Alicante, Universidad Miguel Hernández-Consejo Superior de Investigaciones Científicas, Campus de Sant Joan, Apt. 18, Sant Joan d'Alacant, 03550 Alicante, Spain.
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20
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Gago B, Suárez-Boomgaard D, Fuxe K, Brené S, Reina-Sánchez MD, Rodríguez-Pérez LM, Agnati LF, de la Calle A, Rivera A. Effect of acute and continuous morphine treatment on transcription factor expression in subregions of the rat caudate putamen. Marked modulation by D4 receptor activation. Brain Res 2011; 1407:47-61. [PMID: 21782156 DOI: 10.1016/j.brainres.2011.06.046] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2011] [Revised: 06/14/2011] [Accepted: 06/17/2011] [Indexed: 11/17/2022]
Abstract
Acute administration of the dopamine D(4) receptor (D(4)R) agonist PD168,077 induces a down-regulation of the μ opioid receptor (MOR) in the striosomal compartment of the rat caudate putamen (CPu), suggesting a striosomal D(4)R/MOR receptor interaction in line with their high co-distribution in this brain subregion. The present work was designed to explore if a D(4)R/MOR receptor interaction also occurs in the modulation of the expression pattern of several transcription factors in striatal subregions that play a central role in drug addiction. Thus, c-Fos, FosB/ΔFosB and P-CREB immunoreactive profiles were quantified in the rat CPu after either acute or continuous (6-day) administration of morphine and/or PD168,077. Acute and continuous administration of morphine induced different patterns of expression of these transcription factors, effects that were time-course and region dependent and fully blocked by PD168,077 co-administration. Moreover, this effect of the D(4)R agonist was counteracted by the D(4)R antagonist L745,870. Interestingly, at some time-points, combined treatment with morphine and PD168,077 substantially increased c-Fos, FosB/ΔFosB and P-CREB expression. The results of this study give indications for a general antagonistic D(4)R/MOR receptor interaction at the level of transcription factors. The change in the transcription factor expression by D(4)R/MOR interactions in turn suggests a modulation of neuronal activity in the CPu that could be of relevance for drug addiction.
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Affiliation(s)
- Belén Gago
- Department of Cell Biology, School of Science, University of Málaga, 29071 Málaga, Spain
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21
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Han W, Takamatsu Y, Yamamoto H, Kasai S, Endo S, Shirao T, Kojima N, Ikeda K. Inhibitory role of inducible cAMP early repressor (ICER) in methamphetamine-induced locomotor sensitization. PLoS One 2011; 6:e21637. [PMID: 21738744 PMCID: PMC3125264 DOI: 10.1371/journal.pone.0021637] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2011] [Accepted: 06/04/2011] [Indexed: 12/02/2022] Open
Abstract
Background The inducible cyclic adenosine monophosphate (cAMP) early repressor (ICER) is highly expressed in the central nervous system and functions as a repressor of cAMP response element-binding protein (CREB) transcription. The present study sought to clarify the role of ICER in the effects of methamphetamine (METH). Methods and Findings We tested METH-induced locomotor sensitization in wildtype mice, ICER knockout mice, and ICER I-overexpressing mice. Both ICER wildtype mice and knockout mice displayed increased locomotor activity after continuous injections of METH. However, ICER knockout mice displayed a tendency toward higher locomotor activity compared with wildtype mice, although no significant difference was observed between the two genotypes. Moreover, compared with wildtype mice, ICER I-overexpressing mice displayed a significant decrease in METH-induced locomotor sensitization. Furthermore, Western blot analysis and quantitative real-time reverse transcription polymerase chain reaction demonstrated that ICER overexpression abolished the METH-induced increase in CREB expression and repressed cocaine- and amphetamine-regulated transcript (CART) and prodynorphin (Pdyn) expression in mice. The decreased CART and Pdyn mRNA expression levels in vivo may underlie the inhibitory role of ICER in METH-induced locomotor sensitization. Conclusions Our data suggest that ICER plays an inhibitory role in METH-induced locomotor sensitization.
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Affiliation(s)
- Wenhua Han
- Research Project for Addictive Substances, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Yukio Takamatsu
- Research Project for Addictive Substances, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Hideko Yamamoto
- Research Project for Addictive Substances, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Shinya Kasai
- Research Project for Addictive Substances, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Shogo Endo
- Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Tomoaki Shirao
- Department of Neurobiology and Behavior, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Nobuhiko Kojima
- Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
- Department of Neurobiology and Behavior, Gunma University Graduate School of Medicine, Maebashi, Japan
- Laboratory for Neurobiology of Emotion, RIKEN Brain Science Institute, Wako, Japan
- * E-mail:
| | - Kazutaka Ikeda
- Research Project for Addictive Substances, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
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MeCP2 controls BDNF expression and cocaine intake through homeostatic interactions with microRNA-212. Nat Neurosci 2010; 13:1120-7. [PMID: 20711185 PMCID: PMC2928848 DOI: 10.1038/nn.2615] [Citation(s) in RCA: 347] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2010] [Accepted: 07/05/2010] [Indexed: 12/14/2022]
Abstract
The X-linked transcriptional repressor methyl CpG binding protein 2 (MeCP2), known for its role in the neurodevelopmental disorder Rett syndrome, is emerging as an important regulator of neuroplasticity in postmitotic neurons. Cocaine addiction is commonly viewed as a disorder of neuroplasticity, but the potential involvement of MeCP2 has not been explored. Here we identify a key role for MeCP2 in the dorsal striatum in the escalating cocaine intake seen in rats with extended access to the drug, a process that mimics the increasingly uncontrolled cocaine use seen in addicted humans. MeCP2 regulates cocaine intake through homeostatic interactions with microRNA-212 (miR-212) to control the effects of cocaine on striatal brain-derived neurotrophic factor (BDNF) levels. These data suggest that homeostatic interactions between MeCP2 and miR-212 in dorsal striatum may be important in regulating vulnerability to cocaine addiction.
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Benito E, Barco A. CREB's control of intrinsic and synaptic plasticity: implications for CREB-dependent memory models. Trends Neurosci 2010; 33:230-40. [DOI: 10.1016/j.tins.2010.02.001] [Citation(s) in RCA: 326] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2009] [Revised: 02/01/2010] [Accepted: 02/10/2010] [Indexed: 01/04/2023]
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Abstract
Substance use disorder is a chronic condition of compulsive drug seeking and use that is mediated by stable changes in central reward pathways. Repeated use of abused drugs causes persistent alterations in gene expression responsible for the long-term behavioral and structural changes. Recently, it has been suggested that epigenetic mechanisms are responsible in part for these drug-induced changes in gene expression. One of the alluring aspects of epigenetic regulation of gene expression is that epigenetic mechanisms may provide transient and potentially stable conditions that in turn may ultimately participate in the molecular mechanisms required for neuronal changes subserving long-lasting changes in behavior. This review describes epigenetic mechanisms of gene regulation and then discusses the emerging role of epigenetics in drug-induced plasticity and behavior. Understanding these mechanisms that establish and maintain drug-dependent plasticity changes may lead to deeper understanding of substance use disorders as well as novel approaches to treatment.
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Affiliation(s)
| | - Marcelo A. Wood
- Department of Neurobiology and Behavior, Center for the Neurobiology of Learning and Memory, University of California, Irvine, 106 Bonney Research Lab, Irvine, CA 92697-3800 USA
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Sanchis-Segura C, Jancic D, Jimenez-Minchan M, Barco A. Inhibition of cAMP responsive element binding protein in striatal neurons enhances approach and avoidance responses toward morphine--and morphine withdrawal-related cues. Front Behav Neurosci 2009; 3:30. [PMID: 19826619 PMCID: PMC2759365 DOI: 10.3389/neuro.08.030.2009] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2009] [Accepted: 08/24/2009] [Indexed: 12/04/2022] Open
Abstract
To investigate the role of cAMP responsive element binding protein (CREB)-dependent gene expression in morphine induced behaviors, we examined bitransgenic mice expressing a dominant and strong inhibitor of the CREB family of transcription factors, A-CREB, in striatal neurons in a regulatable manner. The expression of A-CREB in the striatum enhanced both morphine-induced conditioned place preference and morphine withdrawal-induced conditioned place avoidance. Our experiments thereby support a role for CREB in striatal neurons regulating approach and avoidance responses toward drug-related cues.
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Papale A, Cerovic M, Brambilla R. Viral vector approaches to modify gene expression in the brain. J Neurosci Methods 2009; 185:1-14. [PMID: 19699233 DOI: 10.1016/j.jneumeth.2009.08.013] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2009] [Revised: 08/13/2009] [Accepted: 08/14/2009] [Indexed: 12/31/2022]
Abstract
The use of viral vectors as gene transfer tools for the central nervous system has seen a significant growth in the last decade. Improvements in the safety, efficiency and specificity of vectors for clinical applications have proven to be beneficial also for basic neuroscience research. This review will discuss the viral systems currently available to neuroscientists and some of the recent achievements in the study of synaptic function, memory and drug addiction.
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Affiliation(s)
- Alessandro Papale
- Institute of Experimental Neurology, Division of Neuroscience, San Raffaele Foundation and University, Milano, Italy
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