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Verma A, Bennett J, Örme AM, Polycarpou E, Rooney B. Cocaine addicted to cytoskeletal change and a fibrosis high. Cytoskeleton (Hoboken) 2019; 76:177-185. [PMID: 30623590 DOI: 10.1002/cm.21510] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 12/05/2018] [Accepted: 12/18/2018] [Indexed: 12/17/2022]
Abstract
Cocaine is one of the most widely abused illicit drugs due to its euphoric and addictive properties. Cocaine-mediated cognitive impairments are the result of dynamic cytoskeletal rearrangements involved in mediating structural and behavioural plasticity. Cytoskeletal changes initiated following cocaine abuse are regulated by the Rho family of GTPases with significant downstream activity in key actin binding proteins. Moreover, signalling via the endoplasmic reticulum chaperone protein, sigma-1 receptor has highlighted the possibility of cocaine regulated pathology in other organ systems. However, the question of whether upstream stimulation of such a high affinity binding receptor is directly involved in cocaine-mediated cytoskeletal changes at present remains unknown. In this review, we describe the functional role of key cytoskeletal regulators in response to cocaine-induced signalling cues. In addition, we ascertain the extent of whether global cytoskeletal modulators involved in cocaine-induced neurological stimulation can be used as a platform for future studies into elucidating its fibrotic potential within the hepatic microenvironment. A focus on aspects still poorly understood relating to the nonneuronal pathological impact of cocaine is discussed in the sphere of hepatic dysregulation. Lastly, we suggest that cocaine may mediate its pathological capacity via the sigma1 receptor in regulating hepatoxicity, hepatic stellate cells activity, cytoskeletal dynamics, and the transcriptional regulation of key hepato-fibrogenic modulators.
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Affiliation(s)
- Avnish Verma
- Kingston University, Department of Applied and Human Sciences, School of Life Sciences, Pharmacy and Chemistry, Surrey, United Kingdom
| | - Jason Bennett
- Centre for Cell Signalling and Inflammation, Department of Medicine, Imperial College London, London, United Kingdom
| | - Ayşe Merve Örme
- Kingston University, Department of Applied and Human Sciences, School of Life Sciences, Pharmacy and Chemistry, Surrey, United Kingdom
| | - Elena Polycarpou
- Kingston University, Department of Applied and Human Sciences, School of Life Sciences, Pharmacy and Chemistry, Surrey, United Kingdom
| | - Brian Rooney
- Kingston University, Department of Applied and Human Sciences, School of Life Sciences, Pharmacy and Chemistry, Surrey, United Kingdom
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2
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Engmann O, Giralt A, Girault JA. Acute drug-induced spine changes in the nucleus accumbens are dependent on β-adducin. Neuropharmacology 2016; 110:333-342. [PMID: 27480796 DOI: 10.1016/j.neuropharm.2016.07.035] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2016] [Revised: 07/17/2016] [Accepted: 07/26/2016] [Indexed: 01/01/2023]
Abstract
Chronic modifications of dopamine transmission alter striatal dendritic spines. Here, we show that spine density and length are increased in the nucleus accumbens 24 h after a single injection of caffeine or quinpirole, a dopamine D2/D3 dopamine receptors agonist, whereas the dopamine antagonist haloperidol has opposite effects. These effects are absent in mice lacking β-adducin, a protein that stabilizes actin/spectrin cortical cytoskeleton and modulates synaptic plasticity. Phosphorylation of adducin (Ser713 in β-adducin), which disrupts actin/spectrin interaction, is increased by quinpirole, haloperidol, or caffeine. We previously demonstrated that DARPP-32 interacts with β-adducin and facilitates its phosphorylation. Quinpirole increased DARPP-32 phosphorylation at Thr75 and haloperidol at Ser97, two modifications that can have similar consequences on adducin phosphorylation through distinct mechanisms. Experiments in DARPP-32 mutant mice confirmed that the apparently paradoxical similar effects of quinpirole and haloperidol on adducin phosphorylation may result from differential effects of these drugs on DARPP-32 phosphorylation at Thr75 and Ser97. Our data provide novel insights on how a single dose of widely used psychoactive drugs can affect spine plasticity in the nucleus accumbens, a component of the reward system.
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Affiliation(s)
- Olivia Engmann
- Inserm UMR-S 839, Paris, 75005, France; Sorbonne Universités, UPMC, Université Paris 06, Paris, 75005, France; Institut du Fer à Moulin, Paris, 75005, France
| | - Albert Giralt
- Inserm UMR-S 839, Paris, 75005, France; Sorbonne Universités, UPMC, Université Paris 06, Paris, 75005, France; Institut du Fer à Moulin, Paris, 75005, France
| | - Jean-Antoine Girault
- Inserm UMR-S 839, Paris, 75005, France; Sorbonne Universités, UPMC, Université Paris 06, Paris, 75005, France; Institut du Fer à Moulin, Paris, 75005, France.
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Abstract
Advances in neuroscience identified addiction as a chronic brain disease with strong genetic, neurodevelopmental, and sociocultural components. We here discuss the circuit- and cell-level mechanisms of this condition and its co-option of pathways regulating reward, self-control, and affect. Drugs of abuse exert their initial reinforcing effects by triggering supraphysiologic surges of dopamine in the nucleus accumbens that activate the direct striatal pathway via D1 receptors and inhibit the indirect striato-cortical pathway via D2 receptors. Repeated drug administration triggers neuroplastic changes in glutamatergic inputs to the striatum and midbrain dopamine neurons, enhancing the brain's reactivity to drug cues, reducing the sensitivity to non-drug rewards, weakening self-regulation, and increasing the sensitivity to stressful stimuli and dysphoria. Drug-induced impairments are long lasting; thus, interventions designed to mitigate or even reverse them would be beneficial for the treatment of addiction.
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Affiliation(s)
- Nora D Volkow
- National Institute on Drug Abuse, National Institutes of Health, Bethesda, MD 20892, USA.
| | - Marisela Morales
- National Institute on Drug Abuse, National Institutes of Health, Bethesda, MD 20892, USA
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4
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Engmann O, Giralt A, Gervasi N, Marion-Poll L, Gasmi L, Filhol O, Picciotto MR, Gilligan D, Greengard P, Nairn AC, Hervé D, Girault JA. DARPP-32 interaction with adducin may mediate rapid environmental effects on striatal neurons. Nat Commun 2015; 6:10099. [PMID: 26639316 PMCID: PMC4675091 DOI: 10.1038/ncomms10099] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Accepted: 11/03/2015] [Indexed: 12/02/2022] Open
Abstract
Environmental enrichment has multiple effects on behaviour, including modification of responses to psychostimulant drugs mediated by striatal neurons. However, the underlying molecular and cellular mechanisms are not known. Here we show that DARPP-32, a hub signalling protein in striatal neurons, interacts with adducins, which are cytoskeletal proteins that cap actin filaments' fast-growing ends and regulate synaptic stability. DARPP-32 binds to adducin MARCKS domain and this interaction is modulated by DARPP-32 Ser97 phosphorylation. Phospho-Thr75-DARPP-32 facilitates β-adducin Ser713 phosphorylation through inhibition of a cAMP-dependent protein kinase/phosphatase-2A cascade. Caffeine or 24-h exposure to a novel enriched environment increases adducin phosphorylation in WT, but not T75A mutant mice. This cascade is implicated in the effects of brief exposure to novel enriched environment on dendritic spines in nucleus accumbens and cocaine locomotor response. Our results suggest a molecular pathway by which environmental changes may rapidly alter responsiveness of striatal neurons involved in the reward system. Changes in environment are known to alter reward system responses, although the underlying mechanisms are unclear. Here, Engmann et al. show that DARPP-32 interacts directly with β-adducin in the mouse striatum to regulate structural and behavioural plasticity in response to novel environment and drug exposure.
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Affiliation(s)
- Olivia Engmann
- Inserm UMR-S 839, Paris 75005, France.,Sorbonne Universités, UPMC, Université Paris 06, Paris 75005, France.,Institut du Fer à Moulin, 17 rue du Fer à Moulin, Paris 75005, France
| | - Albert Giralt
- Inserm UMR-S 839, Paris 75005, France.,Sorbonne Universités, UPMC, Université Paris 06, Paris 75005, France.,Institut du Fer à Moulin, 17 rue du Fer à Moulin, Paris 75005, France
| | - Nicolas Gervasi
- Inserm UMR-S 839, Paris 75005, France.,Sorbonne Universités, UPMC, Université Paris 06, Paris 75005, France.,Institut du Fer à Moulin, 17 rue du Fer à Moulin, Paris 75005, France
| | - Lucile Marion-Poll
- Inserm UMR-S 839, Paris 75005, France.,Sorbonne Universités, UPMC, Université Paris 06, Paris 75005, France.,Institut du Fer à Moulin, 17 rue du Fer à Moulin, Paris 75005, France
| | - Laila Gasmi
- Inserm UMR-S 839, Paris 75005, France.,Sorbonne Universités, UPMC, Université Paris 06, Paris 75005, France.,Institut du Fer à Moulin, 17 rue du Fer à Moulin, Paris 75005, France
| | - Odile Filhol
- Inserm, U1036, CEA, 17 rue des Martyrs, Grenoble 38054, France
| | - Marina R Picciotto
- Department of Psychiatry, Yale University School of Medicine, 300 George Street, Suite 901, New Haven, Connecticut 06511, USA
| | - Diana Gilligan
- Upstate University Hospital, SUNY Upstate University, 5309 Weiskotten Hall, 766 Irving Avenue, Syracuse, New York 13210, USA
| | - Paul Greengard
- Laboratory of Molecular and Cellular Neuroscience, The Rockefeller University, 1230 York Avenue, New York, New York 10065, USA
| | - Angus C Nairn
- Department of Psychiatry, Yale University School of Medicine, 300 George Street, Suite 901, New Haven, Connecticut 06511, USA
| | - Denis Hervé
- Inserm UMR-S 839, Paris 75005, France.,Sorbonne Universités, UPMC, Université Paris 06, Paris 75005, France.,Institut du Fer à Moulin, 17 rue du Fer à Moulin, Paris 75005, France
| | - Jean-Antoine Girault
- Inserm UMR-S 839, Paris 75005, France.,Sorbonne Universités, UPMC, Université Paris 06, Paris 75005, France.,Institut du Fer à Moulin, 17 rue du Fer à Moulin, Paris 75005, France
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Cheng J, Xiong Z, Duffney LJ, Wei J, Liu A, Liu S, Chen GJ, Yan Z. Methylphenidate exerts dose-dependent effects on glutamate receptors and behaviors. Biol Psychiatry 2014; 76:953-62. [PMID: 24832867 PMCID: PMC4194277 DOI: 10.1016/j.biopsych.2014.04.003] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2013] [Revised: 03/17/2014] [Accepted: 04/01/2014] [Indexed: 12/15/2022]
Abstract
BACKGROUND Methylphenidate (MPH), a psychostimulant drug used to treat attention-deficit/hyperactivity disorder, produces the effects of increasing alertness and improving attention. However, misuse of MPH has been associated with an increased risk of aggression and psychosis. We sought to determine the molecular mechanism underlying the complex actions of MPH. METHODS Adolescent (4-week-old) rats were given one injection of MPH at different doses. The impact of MPH on glutamatergic signaling in pyramidal neurons of prefrontal cortex was measured. Behavioral changes induced by MPH were also examined in parallel. RESULTS Administration of low-dose (.5 mg/kg) MPH selectively potentiated N-methyl-D-aspartate receptor (NMDAR)-mediated excitatory postsynaptic currents (EPSCs) via adrenergic receptor activation, whereas high-dose (10 mg/kg) MPH suppressed both NMDAR-mediated and alpha-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid receptor-mediated EPSCs. The dual effects of MPH on EPSCs were associated with bidirectional changes in the surface level of glutamate receptor subunits. Behavioral tests also indicated that low-dose MPH facilitated prefrontal cortex-mediated temporal order recognition memory and attention. Animals injected with high-dose MPH exhibited significantly elevated locomotive activity. Inhibiting the function of synaptosomal-associated protein 25, a key SNARE protein involved in NMDAR exocytosis, blocked the increase of NMDAR-mediated EPSCs by low-dose MPH. In animals exposed to repeated stress, administration of low-dose MPH effectively restored NMDAR function and temporal order recognition memory via a mechanism dependent on synaptosomal-associated protein 25. CONCLUSIONS These results provide a potential mechanism underlying the cognitive-enhancing effects of low-dose MPH as well as the psychosis-inducing effects of high-dose MPH.
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Affiliation(s)
- Jia Cheng
- Department of Physiology and Biophysics, State University of New York at Buffalo, School of Medicine and Biomedical Sciences, Buffalo, NY, USA
| | - Zhe Xiong
- Department of Physiology and Biophysics, State University of New York at Buffalo, School of Medicine and Biomedical Sciences, Buffalo, NY, USA
| | - Lara J. Duffney
- Department of Physiology and Biophysics, State University of New York at Buffalo, School of Medicine and Biomedical Sciences, Buffalo, NY, USA
| | - Jing Wei
- Department of Physiology and Biophysics, State University of New York at Buffalo, School of Medicine and Biomedical Sciences, Buffalo, NY, USA
| | - Aiyi Liu
- Department of Physiology and Biophysics, State University of New York at Buffalo, School of Medicine and Biomedical Sciences, Buffalo, NY, USA,Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Sihang Liu
- Department of Physiology and Biophysics, State University of New York at Buffalo, School of Medicine and Biomedical Sciences, Buffalo, NY, USA
| | - Guo-Jun Chen
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Zhen Yan
- Department of Physiology and Biophysics, School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, New York; Department of Physiology, School of Basic Medical Sciences, Capital Medical University, Beijing, China.
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Rani SB, Rathod SS, Karthik S, Kaur N, Muzumdar D, Shiras AS. MiR-145 functions as a tumor-suppressive RNA by targeting Sox9 and adducin 3 in human glioma cells. Neuro Oncol 2013; 15:1302-16. [PMID: 23814265 DOI: 10.1093/neuonc/not090] [Citation(s) in RCA: 96] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND MicroRNAs (miRNAs) are increasingly being recognized as being involved in cancer development and progression in gliomas. METHODS Using a model cell system developed in our lab to study glioma progression comprising human neuroglial culture (HNGC)-1 and HNGC-2 cells, we report here that miR-145 is one of the miRNAs significantly downregulated during malignant transformation in glioblastoma multiforme (GBM). In a study using tumor samples derived from various glioma grades, we show that expression of miR-145 is decreased in a graded manner, with GBM patients showing lowest expression relative to lower-grade gliomas (P < .05) and normal brain tissues (P < .0001). Functional studies involving ectopic expression of miR-145 in glioma cells had a negative impact on cell proliferation and tumor development, as well as invasion and induced apoptosis, providing further support to the concept that inactivation of miR-145 is important for glioma disease pathogenesis. More notably, these growth-suppressive effects of miR-145 are mediated through its target proteins Sox9 and the cell adhesion-associated molecule adducin 3 (ADD3). RESULTS Inhibiting Sox9 and ADD3 rescued effects of miR-145 loss. Interestingly, miR-145 loss in glioma cells led to overexpression of molecules involved in cell proliferation, like cyclin D1, c-myc, and N-myc, as well as enhanced expression of cell adhesion- and invasion-related molecules N-cadherin and E-cadherin, an effect which was again restored upon miR-145 overexpression in glioma cells. The miR-145 promoter was methylated at its cytosine-phosphate-guanine (CpG) islands in the glioma cell lines studied. CONCLUSION Our study demonstrates that miR-145 has a tumor-suppressive function in glioblastoma in that it reduces proliferation, adhesion, and invasion of glioblastoma cells, apparently by suppressing the activity of oncogenic proteins Sox9 and ADD3. Reduced levels of miR-145 may lead to neoplastic transformation and malignant progression in glioma due to unregulated activity of these proteins.
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Affiliation(s)
- Sandhya B Rani
- Corresponding Author: Anjali Shiras, MSc, PhD, Scientist-F, National Centre for Cell Science (NCCS), NCCS Complex, University of Pune Campus, Ganeshkhind, Pune 411007, Maharashtra, India. ;
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Lou H, Park JJ, Phillips A, Loh YP. γ-Adducin promotes process outgrowth and secretory protein exit from the Golgi apparatus. J Mol Neurosci 2013; 49:1-10. [PMID: 22706708 PMCID: PMC3681813 DOI: 10.1007/s12031-012-9827-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2012] [Accepted: 05/30/2012] [Indexed: 12/19/2022]
Abstract
α, β, and γ adducins mediate F-actin remodeling of plasma membrane structures as heterotetramers. Here, we present two new functions of γ-adducin. (1) Overexpression of γ-adducin promoted formation of neurite-like processes in non-neuronal fibroblast COS7 cells. Conversely, overexpression of the C-terminal 38 amino acids of γ-adducin (γAdd(C38)) acting as a dominant negative inhibited formation of neurites/processes in Neuro2A cells and anterior pituitary AtT20 cells. (2) γ-Adducin appears to facilitate pro-opiomelanocortin (POMC) exit from the trans-Golgi network (TGN) by re-organizing the actin network around the Golgi complex. Filamentous actins (F-actins) which formed puncti around the Golgi complex in control cells were dispersed in AtT20 cells stably transfected with γAdd(C38). Furthermore, γAdd(C38)-transfectants showed significant accumulation of POMC/adrenocorticotropin (ACTH) in the Golgi complex and diminished POMC/ACTH vesicles in the cell processes. The C-terminal 38 amino acids of γ-adducin interacted with F-actins around the Golgi complex, to facilitate F-actin-mediated budding of POMC/ACTH vesicles from the TGN. Thus, we propose that γ-adducin, via its interaction with F-actins, plays a critical role in actin remodeling to facilitate process/neurite outgrowth, as well as budding of POMC/ACTH vesicles from the TGN via its interaction with peri-Golgi F-actins.
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Affiliation(s)
- Hong Lou
- Section on Cellular Neurobiology, Program on Developmental Neuroscience, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bldg 49, Rm 5A22, 49 Convent Drive, Bethesda, MD 20892, USA
| | - Joshua J. Park
- Section on Cellular Neurobiology, Program on Developmental Neuroscience, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bldg 49, Rm 5A22, 49 Convent Drive, Bethesda, MD 20892, USA
- Department of Neurosciences, University of Toledo, College of Medicine, Toledo, OH 43614, USA
| | - Andre Phillips
- Section on Cellular Neurobiology, Program on Developmental Neuroscience, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bldg 49, Rm 5A22, 49 Convent Drive, Bethesda, MD 20892, USA
| | - Y. Peng Loh
- Section on Cellular Neurobiology, Program on Developmental Neuroscience, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bldg 49, Rm 5A22, 49 Convent Drive, Bethesda, MD 20892, USA
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Jung Y, Mulholland PJ, Wiseman SL, Chandler LJ, Picciotto MR. Constitutive knockout of the membrane cytoskeleton protein beta adducin decreases mushroom spine density in the nucleus accumbens but does not prevent spine remodeling in response to cocaine. Eur J Neurosci 2012; 37:1-9. [PMID: 23106536 DOI: 10.1111/ejn.12037] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2010] [Revised: 09/19/2012] [Accepted: 09/23/2012] [Indexed: 11/27/2022]
Abstract
The adducin family of proteins associates with the actin cytoskeleton in a calcium-dependent manner. Beta adducin (βAdd) is involved in synaptic plasticity in the hippocampus; however, the role of βAdd in synaptic plasticity in other brain areas is unknown. Using diolistic labeling with the lipophilic dye DiI, we found that the density of mature mushroom-shaped spines was significantly decreased in the nucleus accumbens (NAc) in brain slices from βAdd-knockout (KO) mice as compared to their wildtype (WT) siblings. The effect of 10 days of daily cocaine (15 mg/kg) administration on NAc spine number and locomotor behavior was also measured in βAdd WT and KO mice. As expected, there was a significant increase in overall spine density in NAc slices from cocaine-treated WT mice at this time-point; however, there was a greater increase in the density of mushroom spines in βAdd-KO animals following chronic cocaine administration than in WT. In addition, βAdd-KO mice showed elevated locomotor activity in response to cocaine treatment compared to WT siblings. These results indicate that βAdd is required for stabilising mature spines under basal conditions in the NAc, but that lack of this protein does not prevent synaptic remodeling following repeated cocaine administration. In addition, these data are consistent with previous studies suggesting that βAdd may normally be involved in stabilising spines once drug- or experience-dependent remodeling has occurred.
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Affiliation(s)
- Yonwoo Jung
- Division of Molecular Psychiatry, Yale University School of Medicine, New Haven, CT 06508, USA
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Kovacs K, Lajtha A, Sershen H. Effect of nicotine and cocaine on neurofilaments and receptors in whole brain tissue and synaptoneurosome preparations. Brain Res Bull 2010; 82:109-17. [DOI: 10.1016/j.brainresbull.2010.02.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2009] [Revised: 02/16/2010] [Accepted: 02/18/2010] [Indexed: 12/25/2022]
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