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Ayon-Olivas M, Wolf D, Andreska T, Granado N, Lüningschrör P, Ip CW, Moratalla R, Sendtner M. Dopaminergic Input Regulates the Sensitivity of Indirect Pathway Striatal Spiny Neurons to Brain-Derived Neurotrophic Factor. Biology (Basel) 2023; 12:1360. [PMID: 37887070 PMCID: PMC10604681 DOI: 10.3390/biology12101360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 10/13/2023] [Accepted: 10/19/2023] [Indexed: 10/28/2023]
Abstract
Motor dysfunction in Parkinson's disease (PD) is closely linked to the dopaminergic depletion of striatal neurons and altered synaptic plasticity at corticostriatal synapses. Dopamine receptor D1 (DRD1) stimulation is a crucial step in the formation of long-term potentiation (LTP), whereas dopamine receptor D2 (DRD2) stimulation is needed for the formation of long-term depression (LTD) in striatal spiny projection neurons (SPNs). Tropomyosin receptor kinase B (TrkB) and its ligand brain-derived neurotrophic factor (BDNF) are centrally involved in plasticity regulation at the corticostriatal synapses. DRD1 activation enhances TrkB's sensitivity for BDNF in direct pathway spiny projection neurons (dSPNs). In this study, we showed that the activation of DRD2 in cultured striatal indirect pathway spiny projection neurons (iSPNs) and cholinergic interneurons causes the retraction of TrkB from the plasma membrane. This provides an explanation for the opposing synaptic plasticity changes observed upon DRD1 or DRD2 stimulation. In addition, TrkB was found within intracellular structures in dSPNs and iSPNs from Pitx3-/- mice, a genetic model of PD with early onset dopaminergic depletion in the dorsolateral striatum (DLS). This dysregulated BDNF/TrkB signaling might contribute to the pathophysiology of direct and indirect pathway striatal projection neurons in PD.
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Affiliation(s)
- Maurilyn Ayon-Olivas
- Institute of Clinical Neurobiology, University Hospital Wuerzburg, 97078 Wuerzburg, Germany
| | - Daniel Wolf
- Institute of Clinical Neurobiology, University Hospital Wuerzburg, 97078 Wuerzburg, Germany
| | - Thomas Andreska
- Institute of Clinical Neurobiology, University Hospital Wuerzburg, 97078 Wuerzburg, Germany
| | - Noelia Granado
- Instituto Cajal, Consejo Superior de Investigaciones Científicas (CSIC), 28002 Madrid, Spain
- CIBERNED, Instituto de Salud Carlos III, 28002 Madrid, Spain
| | - Patrick Lüningschrör
- Institute of Clinical Neurobiology, University Hospital Wuerzburg, 97078 Wuerzburg, Germany
| | - Chi Wang Ip
- Department of Neurology, University Hospital Wuerzburg, 97080 Wuerzburg, Germany
| | - Rosario Moratalla
- Instituto Cajal, Consejo Superior de Investigaciones Científicas (CSIC), 28002 Madrid, Spain
- CIBERNED, Instituto de Salud Carlos III, 28002 Madrid, Spain
| | - Michael Sendtner
- Institute of Clinical Neurobiology, University Hospital Wuerzburg, 97078 Wuerzburg, Germany
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Andreska T, Lüningschrör P, Wolf D, McFleder RL, Ayon-Olivas M, Rattka M, Drechsler C, Perschin V, Blum R, Aufmkolk S, Granado N, Moratalla R, Sauer M, Monoranu C, Volkmann J, Ip CW, Stigloher C, Sendtner M. DRD1 signaling modulates TrkB turnover and BDNF sensitivity in direct pathway striatal medium spiny neurons. Cell Rep 2023; 42:112575. [PMID: 37252844 DOI: 10.1016/j.celrep.2023.112575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 03/09/2023] [Accepted: 05/14/2023] [Indexed: 06/01/2023] Open
Abstract
Disturbed motor control is a hallmark of Parkinson's disease (PD). Cortico-striatal synapses play a central role in motor learning and adaption, and brain-derived neurotrophic factor (BDNF) from cortico-striatal afferents modulates their plasticity via TrkB in striatal medium spiny projection neurons (SPNs). We studied the role of dopamine in modulating the sensitivity of direct pathway SPNs (dSPNs) to BDNF in cultures of fluorescence-activated cell sorting (FACS)-enriched D1-expressing SPNs and 6-hydroxydopamine (6-OHDA)-treated rats. DRD1 activation causes enhanced TrkB translocation to the cell surface and increased sensitivity for BDNF. In contrast, dopamine depletion in cultured dSPN neurons, 6-OHDA-treated rats, and postmortem brain of patients with PD reduces BDNF responsiveness and causes formation of intracellular TrkB clusters. These clusters associate with sortilin related VPS10 domain containing receptor 2 (SORCS-2) in multivesicular-like structures, which apparently protects them from lysosomal degradation. Thus, impaired TrkB processing might contribute to disturbed motor function in PD.
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Affiliation(s)
- Thomas Andreska
- Institute of Clinical Neurobiology, University Hospital Wuerzburg, 97078 Wuerzburg, Germany
| | - Patrick Lüningschrör
- Institute of Clinical Neurobiology, University Hospital Wuerzburg, 97078 Wuerzburg, Germany
| | - Daniel Wolf
- Institute of Clinical Neurobiology, University Hospital Wuerzburg, 97078 Wuerzburg, Germany
| | - Rhonda L McFleder
- Department of Neurology, University Hospital Wuerzburg, 97080 Wuerzburg, Germany
| | - Maurilyn Ayon-Olivas
- Institute of Clinical Neurobiology, University Hospital Wuerzburg, 97078 Wuerzburg, Germany
| | - Marta Rattka
- Department of Neurology, University Hospital Wuerzburg, 97080 Wuerzburg, Germany
| | - Christine Drechsler
- Department of Microbiology, Biocenter, Julius-Maximilians-University Wuerzburg, 97074 Wuerzburg, Germany
| | - Veronika Perschin
- Imaging Core Facility of the Biocenter, Julius-Maximilians-University Wuerzburg, 97074 Wuerzburg, Germany
| | - Robert Blum
- Department of Neurology, University Hospital Wuerzburg, 97080 Wuerzburg, Germany
| | - Sarah Aufmkolk
- Department of Biotechnology and Biophysics, Julius-Maximilians-University Wuerzburg, 97074 Wuerzburg, Germany; Department of Genetics, Harvard Medical School, Boston, MA 02115, USA
| | - Noelia Granado
- Instituto Cajal, Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain; CIBERNED, Instituto de Salud Carlos III, 28002 Madrid, Spain
| | - Rosario Moratalla
- Instituto Cajal, Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain; CIBERNED, Instituto de Salud Carlos III, 28002 Madrid, Spain
| | - Markus Sauer
- Department of Biotechnology and Biophysics, Julius-Maximilians-University Wuerzburg, 97074 Wuerzburg, Germany
| | - Camelia Monoranu
- Department for Neuropathology, Julius-Maximilians-University Wuerzburg, 97080 Wuerzburg, Germany
| | - Jens Volkmann
- Department of Neurology, University Hospital Wuerzburg, 97080 Wuerzburg, Germany
| | - Chi Wang Ip
- Department of Neurology, University Hospital Wuerzburg, 97080 Wuerzburg, Germany
| | - Christian Stigloher
- Imaging Core Facility of the Biocenter, Julius-Maximilians-University Wuerzburg, 97074 Wuerzburg, Germany
| | - Michael Sendtner
- Institute of Clinical Neurobiology, University Hospital Wuerzburg, 97078 Wuerzburg, Germany.
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Solís O, García‐Sanz P, Martín AB, Granado N, Sanz‐Magro A, Podlesniy P, Trullas R, Murer MG, Maldonado R, Moratalla R. Behavioral sensitization and cellular responses to psychostimulants are reduced in D2R knockout mice. Addict Biol 2021; 26:e12840. [PMID: 31833146 DOI: 10.1111/adb.12840] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 07/08/2019] [Accepted: 09/09/2019] [Indexed: 01/05/2023]
Abstract
Repeated cocaine exposure causes long-lasting neuroadaptations that involve alterations in cellular signaling and gene expression mediated by dopamine in different brain regions, such as the striatum. Previous studies have pointed out to the dopamine D1 receptor as one major player in psychostimulants-induced behavioral, cellular, and molecular changes. However, the role of other dopamine receptors has not been fully characterized. Here we used dopamine D2 receptor knockout (D2-/- ) mice to explore the role of D2 receptor (D2R) in behavioral sensitization and its associated gene expression after acute and chronic cocaine and amphetamine administration. We also studied the impact of D2R elimination in D1R-mediated responses. We found that cocaine- and amphetamine-induced behavioral sensitization is deficient in D2-/- mice. The expression of dynorphin, primarily regulated by D1R and a marker of direct-pathway striatal neurons, is attenuated in naïve- and in cocaine- or amphetamine-treated D2-/- mice. Moreover, c-Fos expression observed in D2-/- mice was reduced in acutely but not in chronically treated animals. Interestingly, inactivation of D2R increased c-Fos expression in neurons of the striatopallidal pathway. Finally, elimination of D2R blunted the locomotor and striatal c-Fos response to the full D1 agonist SKF81297. In conclusion, D2R is critical for the development of behavioral sensitization and the associated gene expression, after cocaine administration, and it is required for the locomotor responses promoted by D1R activation.
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Affiliation(s)
- Oscar Solís
- Instituto Cajal Consejo Superior de Investigaciones Científicas Madrid Spain
- CIBERNED Instituto de Salud Carlos III Madrid Spain
| | - Patricia García‐Sanz
- Instituto Cajal Consejo Superior de Investigaciones Científicas Madrid Spain
- CIBERNED Instituto de Salud Carlos III Madrid Spain
| | - Ana B. Martín
- Instituto Cajal Consejo Superior de Investigaciones Científicas Madrid Spain
| | - Noelia Granado
- Instituto Cajal Consejo Superior de Investigaciones Científicas Madrid Spain
- CIBERNED Instituto de Salud Carlos III Madrid Spain
| | - Adrián Sanz‐Magro
- Instituto Cajal Consejo Superior de Investigaciones Científicas Madrid Spain
- CIBERNED Instituto de Salud Carlos III Madrid Spain
| | | | | | - M. Gustavo Murer
- Instituto de Fisiología y Biofísica (IFIBIO) Houssay CONICET ‐ Universidad de Buenos Aires Buenos Aires Argentina
| | - Rafael Maldonado
- Laboratorio de Neurofarmacología Universitat Pompeu Fabra Barcelona Spain
| | - Rosario Moratalla
- Instituto Cajal Consejo Superior de Investigaciones Científicas Madrid Spain
- CIBERNED Instituto de Salud Carlos III Madrid Spain
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Gómez-Benito M, Granado N, García-Sanz P, Michel A, Dumoulin M, Moratalla R. Modeling Parkinson's Disease With the Alpha-Synuclein Protein. Front Pharmacol 2020; 11:356. [PMID: 32390826 PMCID: PMC7191035 DOI: 10.3389/fphar.2020.00356] [Citation(s) in RCA: 163] [Impact Index Per Article: 40.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 03/10/2020] [Indexed: 12/15/2022] Open
Abstract
Alpha-synuclein (α-Syn) is a key protein involved in Parkinson's disease (PD) pathology. PD is characterized by the loss of dopaminergic neuronal cells in the substantia nigra pars compacta and the abnormal accumulation and aggregation of α-Syn in the form of Lewy bodies and Lewy neurites. More precisely, the aggregation of α-Syn is associated with the dysfunctionality and degeneration of neurons in PD. Moreover, mutations in the SNCA gene, which encodes α-Syn, cause familial forms of PD and are the basis of sporadic PD risk. Given the role of the α-Syn protein in the pathology of PD, animal models that reflect the dopaminergic neuronal loss and the widespread and progressive formation of α-Syn aggregates in different areas of the brain constitute a valuable tool. Indeed, animal models of PD are important for understanding the molecular mechanisms of the disease and might contribute to the development and validation of new therapies. In the absence of animal models that faithfully reproduce human PD, in recent years, numerous animal models of PD based on α-Syn have been generated. In this review, we summarize the main features of the α-Syn pre-formed fibrils (PFFs) model and recombinant adeno-associated virus vector (rAAV) mediated α-Syn overexpression models, providing a detailed comparative analysis of both models. Here, we discuss how each model has contributed to our understanding of PD pathology and the advantages and weakness of each of them.
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Affiliation(s)
- Mónica Gómez-Benito
- Cajal Institute, Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain.,CIBERNED, Instituto de Salud Carlos III, Madrid, Spain
| | - Noelia Granado
- Cajal Institute, Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain.,CIBERNED, Instituto de Salud Carlos III, Madrid, Spain
| | - Patricia García-Sanz
- Cajal Institute, Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain.,CIBERNED, Instituto de Salud Carlos III, Madrid, Spain
| | - Anne Michel
- UCB Biopharma, Neuroscience TA, Braine L'Alleud, Belgium
| | - Mireille Dumoulin
- Centre of Protein Engineering, InBios, University of Liege, Liège, Belgium
| | - Rosario Moratalla
- Cajal Institute, Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain.,CIBERNED, Instituto de Salud Carlos III, Madrid, Spain
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Granado N, Ares-Santos S, Tizabi Y, Moratalla R. Striatal Reinnervation Process after Acute Methamphetamine-Induced Dopaminergic Degeneration in Mice. Neurotox Res 2018; 34:627-639. [PMID: 29934756 DOI: 10.1007/s12640-018-9925-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 05/28/2018] [Accepted: 06/07/2018] [Indexed: 01/03/2023]
Abstract
Methamphetamine (METH), an amphetamine derivate, may increase the risk of developing Parkinson's disease (PD). Human and animal studies have shown that METH produces persistent dopaminergic neurotoxicity in the nigrostriatal pathway, despite initial partial recovery. To determine the processes leading to early compensation, we studied the detailed morphology and distribution of tyrosine hydroxylase immunoreactive fibers (TH-ir) classified by their thickness (types I-IV) before and after METH. Applying three established neurotoxic regimens of METH: single high dose (1 × 30 mg/kg), multiple lower doses (3 × 5 mg/kg) or (3 × 10 mg/kg), we show that METH primarily damages type I fibers (the thinner ones), and to a much lesser extend types II-IV fibers including sterile axons. The striatal TH terminal partial recovery process, consisting of a progressive regrowth increases in types II, III, and IV fibers, demonstrated by co-localization of GAP-43, a sprouting marker, was observed 3 days post-METH treatment. In addition, we demonstrate the presence of growth-cone-like TH-ir structures, indicative of new terminal generation as well as improvement in motor functions after 3 days. A temporal relationship was observed between decreases in TH-expression and increases in silver staining, a marker of degeneration. Striatal regeneration was associated with an increase in astroglia and decrease in microglia expression, suggesting a possible role for the neuroimmune system in regenerative processes. Identification of regenerative compensatory mechanisms in response to neurotoxic agents could point to novel mechanisms in countering the neurotoxicity and/or enhancing the regenerative processes.
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Affiliation(s)
- Noelia Granado
- Instituto Cajal, Consejo Superior de Investigaciones Científicas, CSIC, Avda Dr Arce 37, 28002, Madrid, Spain.,CIBERNED, ISCIII, Madrid, Spain
| | - Sara Ares-Santos
- Instituto Cajal, Consejo Superior de Investigaciones Científicas, CSIC, Avda Dr Arce 37, 28002, Madrid, Spain.,CIBERNED, ISCIII, Madrid, Spain
| | - Yousef Tizabi
- Department of Pharmacology, Howard University College of Medicine, Washington DC, USA
| | - Rosario Moratalla
- Instituto Cajal, Consejo Superior de Investigaciones Científicas, CSIC, Avda Dr Arce 37, 28002, Madrid, Spain. .,CIBERNED, ISCIII, Madrid, Spain.
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Mendieta L, Granado N, Aguilera J, Tizabi Y, Moratalla R. Fragment C Domain of Tetanus Toxin Mitigates Methamphetamine Neurotoxicity and Its Motor Consequences in Mice. Int J Neuropsychopharmacol 2016; 19:pyw021. [PMID: 26945022 PMCID: PMC5006194 DOI: 10.1093/ijnp/pyw021] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Accepted: 03/02/2016] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND The C-terminal domain of the heavy chain of tetanus toxin (Hc-TeTx) is a nontoxic peptide with demonstrated in vitro and in vivo neuroprotective effects against striatal dopaminergic damage induced by 1-methyl-4-phenylpyridinium and 6-hydoxydopamine, suggesting its possible therapeutic potential in Parkinson's disease. Methamphetamine, a widely abused psychostimulant, has selective dopaminergic neurotoxicity in rodents, monkeys, and humans. This study was undertaken to determine whether Hc-TeTx might also protect against methamphetamine-induced dopaminergic neurotoxicity and the consequent motor impairment. METHODS For this purpose, we treated mice with a toxic regimen of methamphetamine (4mg/kg, 3 consecutive i.p. injections, 3 hours apart) followed by 3 injections of 40 ug/kg of Hc-TeTx into grastrocnemius muscle at 1, 24, and 48 hours post methamphetamine treatment. RESULTS We found that Hc-TeTx significantly reduced the loss of dopaminergic markers tyrosine hydroxylase and dopamine transporter and the increases in silver staining (a well stablished degeneration marker) induced by methamphetamine in the striatum. Moreover, Hc-TeTx prevented the increase of neuronal nitric oxide synthase but did not affect microglia activation induced by methamphetamine. Stereological neuronal count in the substantia nigra indicated loss of tyrosine hydroxylase-positive neurons after methamphetamine that was partially prevented by Hc-TeTx. Importantly, impairment in motor behaviors post methamphetamine treatment were significantly reduced by Hc-TeTx. CONCLUSIONS Here we demonstrate that Hc-TeTx can provide significant protection against acute methamphetamine-induced neurotoxicity and motor impairment, suggesting its therapeutic potential in methamphetamine abusers.
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Affiliation(s)
| | | | | | | | - Rosario Moratalla
- Instituto Cajal, Consejo Superior de Investigaciones Científicas, CSIC, Madrid, Spain (Drs Mendieta, Granado, and Moratalla); Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas, CIBERNED, Madrid, Spain (Drs Mendieta, Granado, Aguilera, and Moratalla); Institut de Neurociències and Departament de Bioquímica i de Biologia Molecular, Facultat de Medicina, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Barcelona, Spain (Dr Aguilera); Departament of Pharmacology, Howard University College of Medicine, Washington, DC (Dr Tizabi).
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Moratalla R, Khairnar A, Simola N, Granado N, García-Montes JR, Porceddu PF, Tizabi Y, Costa G, Morelli M. Amphetamine-related drugs neurotoxicity in humans and in experimental animals: Main mechanisms. Prog Neurobiol 2015; 155:149-170. [PMID: 26455459 DOI: 10.1016/j.pneurobio.2015.09.011] [Citation(s) in RCA: 142] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Revised: 09/04/2015] [Accepted: 09/15/2015] [Indexed: 12/13/2022]
Abstract
Amphetamine-related drugs, such as 3,4-methylenedioxymethamphetamine (MDMA) and methamphetamine (METH), are popular recreational psychostimulants. Several preclinical studies have demonstrated that, besides having the potential for abuse, amphetamine-related drugs may also elicit neurotoxic and neuroinflammatory effects. The neurotoxic potentials of MDMA and METH to dopaminergic and serotonergic neurons have been clearly demonstrated in both rodents and non-human primates. This review summarizes the species-specific cellular and molecular mechanisms involved in MDMA and METH-mediated neurotoxic and neuroinflammatory effects, along with the most important behavioral changes elicited by these substances in experimental animals and humans. Emphasis is placed on the neuropsychological and neurological consequences associated with the neuronal damage. Moreover, we point out the gap in our knowledge and the need for developing appropriate therapeutic strategies to manage the neurological problems associated with amphetamine-related drug abuse.
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Affiliation(s)
- Rosario Moratalla
- Instituto Cajal, Consejo Superior de Investigaciones Científicas, CSIC, Madrid, Spain; CIBERNED, ISCIII, Madrid, Spain.
| | - Amit Khairnar
- Applied Neuroscience Research Group, CEITEC - Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Nicola Simola
- Department of Biomedical Sciences, Section of Neuropsychopharmacology, University of Cagliari, Via Ospedale 72, 09124 Cagliari, Italy
| | - Noelia Granado
- Instituto Cajal, Consejo Superior de Investigaciones Científicas, CSIC, Madrid, Spain; CIBERNED, ISCIII, Madrid, Spain
| | - Jose Ruben García-Montes
- Instituto Cajal, Consejo Superior de Investigaciones Científicas, CSIC, Madrid, Spain; CIBERNED, ISCIII, Madrid, Spain
| | - Pier Francesca Porceddu
- Department of Biomedical Sciences, Section of Neuropsychopharmacology, University of Cagliari, Via Ospedale 72, 09124 Cagliari, Italy
| | - Yousef Tizabi
- Department of Pharmacology, Howard University College of Medicine, Washington, DC, USA
| | - Giulia Costa
- Department of Biomedical Sciences, Section of Neuropsychopharmacology, University of Cagliari, Via Ospedale 72, 09124 Cagliari, Italy
| | - Micaela Morelli
- Department of Biomedical Sciences, Section of Neuropsychopharmacology, University of Cagliari, Via Ospedale 72, 09124 Cagliari, Italy; Centre of Excellence for Neurobiology of Dependence, University of Cagliari, Cagliari, Italy; National Research Council (CNR), Institute of Neuroscience, Cagliari, Italy
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Granado N, Ares-Santos S, Moratalla R. D1 but not D4 Dopamine Receptors are Critical for MDMA-Induced Neurotoxicity in Mice. Neurotox Res 2013; 25:100-9. [DOI: 10.1007/s12640-013-9438-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2013] [Revised: 10/17/2013] [Accepted: 10/29/2013] [Indexed: 12/20/2022]
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Abstract
Methamphetamine is a synthetic drug consumed by millions of users despite its neurotoxic effects in the brain, leading to loss of dopaminergic fibres and cell bodies. Moreover, clinical reports suggest that methamphetamine abusers are predisposed to Parkinson's disease. Therefore, it is important to elucidate the mechanisms involved in methamphetamine-induced neurotoxicity. Dopamine receptors may be a plausible target to prevent this neurotoxicity. Genetic inactivation of dopamine D1 or D2 receptors protects against the loss of dopaminergic fibres in the striatum and loss of dopaminergic neurons in the substantia nigra. Protection by D1 receptor inactivation is due to blockade of hypothermia, reduced dopamine content and turnover and increased stored vesicular dopamine in D1R(-/-) mice. However, the neuroprotective impact of D2 receptor inactivation is partially dependent on an effect on body temperature, as well as on the blockade of dopamine reuptake by decreased dopamine transporter activity, which results in reduced intracytosolic dopamine levels in D2R(-/-) mice.
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Affiliation(s)
- S Ares-Santos
- Instituto Cajal, Consejo Superior de Investigaciones Científicas, CSIC, Madrid, Spain
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Granado N, Lastres-Becker I, Ares-Santos S, Oliva I, Martin E, Cuadrado A, Moratalla R. Nrf2 deficiency potentiates methamphetamine-induced dopaminergic axonal damage and gliosis in the striatum. Glia 2011; 59:1850-63. [PMID: 21882243 DOI: 10.1002/glia.21229] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2011] [Accepted: 07/20/2011] [Indexed: 12/22/2022]
Abstract
Oxidative stress that correlates with damage to nigrostriatal dopaminergic neurons and reactive gliosis in the basal ganglia is a hallmark of methamphetamine (METH) toxicity. In this study, we analyzed the protective role of the transcription factor Nrf2 (nuclear factor-erythroid 2-related factor 2), a master regulator of redox homeostasis, in METH-induced neurotoxicity. We found that Nrf2 deficiency exacerbated METH-induced damage to dopamine neurons, shown by an increase in loss of tyrosine hydroxylase (TH)- and dopamine transporter (DAT)-containing fibers in striatum. Consistent with these effects, Nrf2 deficiency potentiated glial activation, indicated by increased striatal expression of markers for microglia (Mac-1 and Iba-1) and astroglia (GFAP) one day after METH administration. At the same time, Nrf2 inactivation dramatically potentiated the increase in TNFα mRNA and IL-15 protein expression in GFAP+ cells in the striatum. In sharp contrast to the potentiation of striatal damage, Nrf2 deficiency did not affect METH-induced dopaminergic neuron death or expression of glial markers or proinflammatory molecules in the substantia nigra. This study uncovers a new role for Nrf2 in protection against METH-induced inflammatory and oxidative stress and striatal degeneration.
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Granado N, Ares-Santos S, Oliva I, O´Shea E, Martin ED, Colado MI, Moratalla R. Dopamine D2-receptor knockout mice are protected against dopaminergic neurotoxicity induced by methamphetamine or MDMA. Neurobiol Dis 2011; 42:391-403. [DOI: 10.1016/j.nbd.2011.01.033] [Citation(s) in RCA: 96] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2010] [Accepted: 01/28/2011] [Indexed: 11/25/2022] Open
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Gramage E, Rossi L, Granado N, Moratalla R, Herradón G. Genetic inactivation of pleiotrophin triggers amphetamine-induced cell loss in the substantia nigra and enhances amphetamine neurotoxicity in the striatum. Neuroscience 2010; 170:308-16. [PMID: 20620199 DOI: 10.1016/j.neuroscience.2010.06.078] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2010] [Revised: 06/26/2010] [Accepted: 06/29/2010] [Indexed: 01/04/2023]
Abstract
Pleiotrophin (PTN) is a neurotrophic factor with important effects in survival and differentiation of dopaminergic neurons that has been suggested to play important roles in drug of abuse-induced neurotoxicity. To test this hypothesis, we have studied the effects of amphetamine (10 mg/kg, four times, every 2 h) on the nigrostriatal pathway of PTN genetically deficient (PTN-/-) mice. We found that amphetamine causes a significantly enhanced loss of dopaminergic terminals in the striatum of PTN-/- mice compared to wild type (WT+/+) mice. In addition, we found a significant decrease ( approximately 20%) of tyrosine hydroxylase (TH)-positive neurons only in the substantia nigra of amphetamine-treated PTN-/- mice, whereas this area of WT+/+ animals remained unaffected after amphetamine treatment. This effect was accompanied by enhanced amphetamine-induced astrocytosis in the substantia nigra of PTN-/- mice. Interestingly, we found a significant decrease in the phosphorylation levels of p42 extracellular-signal regulated kinase (ERK2) in both saline- and amphetamine-treated PTN-/- mice, whereas phosphorylation of p44 ERK (ERK1) was almost abolished in the striatum of PTN-/- mice compared to WT+/+ mice, suggesting that basal deficiencies in the phosphorylation levels of ERK1/2 could underlie the higher vulnerability of PTN-/- mice to amphetamine-induced neurotoxic effects. The data suggest an important role of PTN in the protection of nigrostriatal pathways against amphetamine insult.
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Affiliation(s)
- E Gramage
- Lab. Pharmacology and Toxicology, University San Pablo CEU, 28668 Boadilla del Monte, Madrid, Spain
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Granado N, Ares-Santos S, O'Shea E, Vicario-Abejón C, Colado MI, Moratalla R. Selective vulnerability in striosomes and in the nigrostriatal dopaminergic pathway after methamphetamine administration : early loss of TH in striosomes after methamphetamine. Neurotox Res 2009; 18:48-58. [PMID: 19760475 PMCID: PMC2875475 DOI: 10.1007/s12640-009-9106-1] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2009] [Revised: 07/30/2009] [Accepted: 08/21/2009] [Indexed: 12/26/2022]
Abstract
Methamphetamine (METH), a commonly abused psychostimulant, causes dopamine neurotoxicity in humans, rodents, and nonhuman primates. This study examined the selective neuroanatomical pattern of dopaminergic neurotoxicity induced by METH in the mouse striatum. We examined the effect of METH on tyrosine hydroxylase (TH) and dopamine transporter (DAT) immunoreactivity in the different compartments of the striatum and in the nucleus accumbens. The levels of dopamine and its metabolites, 3,4-dihidroxyphenylacetic acid and homovanillic acid, as well as serotonin (5-HT) and its metabolite, 5-hydroxyindolacetic acid, were also quantified in the striatum. Mice were given three injections of METH (4 mg/kg, i.p.) at 3 h intervals and sacrificed 7 days later. This repeated METH injection induced a hyperthermic response and a decrease in striatal concentrations of dopamine and its metabolites without affecting 5-HT concentrations. In addition, the drug caused a reduction in TH- and DAT-immunoreactivity when compared to saline-treated animals. Interestingly, there was a significantly greater loss of TH- and DAT-immunoreactivity in striosomes than in the matrix. The predominant loss of dopaminergic terminals in the striosomes occurred along the rostrocaudal axis of the striatum. In contrast, METH did not decrease TH- or DAT-immunoreactivity in the nucleus accumbens. These results provide the first evidence that compartments of the mouse striatum, striosomes and matrix, and mesolimbic and nigrostriatal pathways have different vulnerability to METH. This pattern is similar to that observed with other neurotoxins such as MPTP, the most widely used model of Parkinson’s disease, in early Huntington’s disease and hypoxic/ischemic injury, suggesting that these conditions might share mechanisms of neurotoxicity.
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Affiliation(s)
- Noelia Granado
- Instituto Cajal, Consejo Superior de Investigaciones Científicas (CSIC), Avda. Dr. Arce 37, 28002, Madrid, Spain
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Granado N, O'Shea E, Bove J, Vila M, Colado MI, Moratalla R. Persistent MDMA-induced dopaminergic neurotoxicity in the striatum and substantia nigra of mice. J Neurochem 2008; 107:1102-12. [PMID: 18823368 DOI: 10.1111/j.1471-4159.2008.05705.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Acute administration of repeated doses of 3,4-methylenedioxymethamphetamine (MDMA, ecstasy) dramatically reduces striatal dopamine (DA) content, tyrosine hydroxylase (TH), and DA transporter-immunoreactivity in mice. In this study, we show for the first time the spatiotemporal pattern of dopaminergic damage and related molecular events produced by MDMA administration in mice. Our results include the novel finding that MDMA produces a significant decrease in the number of TH-immunoreactive neurons in the substantia nigra (SN). This decrease appears 1 day after injection, remains stable for at least 30 days, and is accompanied by a dose-dependent long-lasting decrease in TH- and DA transporter-immunoreactivity in the striatum, which peaked 1 day after treatment and persisted for at least 30 days, however, some recovery was evident from day 3 onwards, evidencing sprouting of TH fibers. No change is observed in the NAc indicating that MDMA causes selective destruction of DA-containing neurons in the nigrostriatal pathway, sparing the mesolimbic pathway. The expression of Mac-1 increased 1 day after MDMA treatment and glial fibrillary acidic protein increased 3 days post-treatment in the striatum and SN but not in the NAc, in strict anatomical correlation with dopaminergic damage. These data provide the first evidence that MDMA causes persistent loss of dopaminergic cell bodies in the SN.
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Affiliation(s)
- Noelia Granado
- Instituto Cajal, Consejo Superior de Investigaciones Científicas, CSIC, Madrid, Spain
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Granado N, Escobedo I, O'Shea E, Colado I, Moratalla R. Early loss of dopaminergic terminals in striosomes after MDMA administration to mice. Synapse 2008; 62:80-4. [PMID: 17960765 DOI: 10.1002/syn.20466] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The amphetamine analogue 3,4-methylenedioxymethamphetamine (MDMA or "Ecstasy") is a popular drug of abuse which causes different neurotoxic effects in the mouse compared with the rat. In mice, MDMA produces damage to striatal dopamine terminals, having little long-term effects on serotonin (5-HT) containing neurons. A relevant feature of the striatum is its striosome/matrix compartmental organization; defined by different connexions, and functions. In this study we examined the long-term effect induced by MDMA on tyrosine hydroxylase (TH) and dopamine transporter (DAT) immunoreactivity in the striosomes and matrix compartments of mouse striatum. Mice given MDMA showed significant reductions in TH and DAT immunostaining in striatum compared with control animals. Interestingly, this effect was considerably more pronounced in striosomes than in the matrix. These data provide the first evidence that striosomes and matrix compartments of the mouse striatum have differential vulnerability to MDMA and that the long-term neurotoxicity induced by MDMA in mice is primarily associated with a loss of striosomal dopamine fibres.
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Affiliation(s)
- Noelia Granado
- Instituto Cajal, Consejo Superior de Investigaciones Científicas, CSIC, Madrid 28002, Spain
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Rodrigues TB, Granado N, Ortiz O, Cerdán S, Moratalla R. Metabolic interactions between glutamatergic and dopaminergic neurotransmitter systems are mediated through D(1) dopamine receptors. J Neurosci Res 2008; 85:3284-93. [PMID: 17455302 DOI: 10.1002/jnr.21302] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Interactions between the dopaminergic and glutamatergic neurotransmission systems were investigated in the adult brain of wild-type (WT) and transgenic mice lacking the dopamine D(1) or D(2) receptor subtypes. Activity of the glutamine cycle was evaluated by using (13)C NMR spectroscopy, and striatal activity was assessed by c-Fos expression and motor coordination. Brain extracts from (1,2-(13)C(2)) acetate-infused mice were prepared and analyzed by (13)C NMR to determine the incorporation of the label into the C4 and C5 carbons of glutamate and glutamine. D(1)R(-/-) mice showed a significantly higher concentration of cerebral (4,5-(13)C(2)) glutamine, consistent with an increased activity of the glutamate-glutamine cycle and of glutamatergic neurotransmission. Conversely, D(2)R(-/-) mice did not show any significant changes in (4,5-(13)C(2)) glutamate or (4,5-(13)C(2)) glutamine, suggesting that alterations in glutamine metabolism are mediated through D(1) receptors. This was confirmed with D(1)R(-/-) and WT mice treated with reserpine, a dopamine-depleting drug, or with reserpine followed by L-DOPA, a dopamine precursor. Exposure to reserpine increased (4,5-(13)C(2)) glutamine in WT to levels similar to those found in untreated D(1)R(-/-) mice. These values were the same as those reached in the reserpine-treated D(1)R(-/-) mice. Treatment of WT animals with L-DOPA returned (4,5-(13)C(2)) glutamine levels to normal, but this was not verified in D(1)R(-/-) animals. Reserpine impaired motor coordination and decreased c-Fos expression, whereas L-DOPA restored both variables to normal values in WT but not in D(1)R(-/-). Together, our results reveal novel neurometabolic interactions between glutamatergic and dopaminergic systems that are mediated through the D(1), but not the D(2), dopamine receptor subtype.
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Affiliation(s)
- Tiago B Rodrigues
- Instituto de Investigaciones Biomédicas Alberto Sols, CSIC/UAM, Madrid, Spain
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Granado N, Ortiz O, Suárez LM, Martín ED, Ceña V, Solís JM, Moratalla R. D1 but not D5 Dopamine Receptors Are Critical for LTP, Spatial Learning, and LTP-Induced arc and zif268 Expression in the Hippocampus. Cereb Cortex 2007; 18:1-12. [PMID: 17395606 DOI: 10.1093/cercor/bhm026] [Citation(s) in RCA: 149] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Recent evidence suggests that glutamatergic and dopaminergic afferents must be activated to induce persistent long-term potentiation (LTP) in the hippocampus. Whereas extensive evidence supports the role of glutamate receptors in long-lasting synaptic plasticity and spatial learning and memory, there is less evidence regarding the role of dopamine receptors in these processes. Here, we used dopamine D(1) receptor knockout (D(1)R(-/-)) mice to explore the role of D(1)R in hippocampal LTP and its associated gene expression. We show that the magnitude of early and late phases of LTP (E-LTP and L-LTP) was markedly reduced in hippocampal slices from D(1)R(-/-) mice compared with wild-type mice. SCH23390, a D(1)/D(5)R antagonist, did not further reduce L-LTP in D(1)R(-/-) mice, suggesting that D(5)Rs are not involved. D(1)R(-/-) mice also showed a significant reduction of D(1)R-induced potentiation of N-Methyl-D-aspartic acid-mediated currents, via protein kinase activated by cyclic adenosine 3',5'-monophosphate activation. Finally, LTP-induced expression of the immediate early genes zif268 and arc in the hippocampal CA1 area was abolished in D(1)R(-/-) mice, and these mice showed impaired learning. These results indicate that D(1)R but not D(5)R are critical for hippocampal LTP and for the induction of Zif268 and Arc, proteins required for the transition from E-LTP to L-LTP and for memory consolidation in mammals.
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Affiliation(s)
- Noelia Granado
- Instituto Cajal, Consejo Superior de Investigaciones Científicas, 28002 Madrid, Spain
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Bilbao A, Cippitelli A, Martín AB, Granado N, Ortiz O, Bezard E, Chen JF, Navarro M, Rodríguez de Fonseca F, Moratalla R. Absence of quasi-morphine withdrawal syndrome in adenosine A2A receptor knockout mice. Psychopharmacology (Berl) 2006; 185:160-8. [PMID: 16470403 DOI: 10.1007/s00213-005-0284-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2005] [Accepted: 11/21/2005] [Indexed: 11/30/2022]
Abstract
RATIONALE Caffeine and other methylxanthines induce behavioral activation and anxiety responses in mice via antagonist action at A2A adenosine receptors. When combined with the opioid antagonist naloxone, methylxanthines produce a characteristic quasi-morphine withdrawal syndrome (QMWS) in opiate-naive animals. OBJECTIVES The aim of this study was to establish the role of A2A receptors in the quasi-morphine withdrawal syndrome induced by co-administration of caffeine and naloxone and in the behavioral effects of caffeine. METHODS We have used A2A receptor knockout (A(2A)R(-/-)) mice in comparison with their wild-type and heterozygous littermates to measure locomotor activity in the open field and withdrawal symptoms induced by caffeine and naloxone. Naïve wild-type and knockout mice were also examined for enkephalin and dynorphin mRNA expression by in situ hybridization and for mu-opiate receptor by ligand binding autoradiography to check for possible opiate receptor changes induced by A2A receptor inactivation. RESULTS Caffeine increases locomotion and anxiety in wild-type animals, but it has no psychomotor effects in A(2A)R(-/-) mice. Co-administration of caffeine (20 mg/kg) and naloxone (2 mg/kg) resulted in a severe quasi-morphine withdrawal syndrome in wild-type mice that was almost completely abolished in A(2A)R(-/-) mice. Heterozygous animals exhibited a 40% reduction in withdrawal symptoms, suggesting that there is no genetic/developmental compensation for the inactivation of one of the A(2A)R alleles. A(2A)R(-/-) and wild-type mice have similar levels of striatal mu-opioid receptors, thus the effect is not due to altered opioid receptor expression. CONCLUSIONS Our results demonstrate that A2A receptors are required for the induction of quasi-morphine withdrawal syndrome by co-administration of caffeine and naloxone and implicate striatal A2A receptors and mu-opiate receptors in tonic inhibition of motor activity in the striatum.
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Affiliation(s)
- Ainhoa Bilbao
- Departamento de Psicobiología, Instituto Universitario de Drogodependencias, Universidad Complutense, Madrid 28223, Spain
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Granado N, Rebollo E, Sánchez FJ, Arana P. B chromosomes: the troubles of integration. Cytogenet Genome Res 2004; 106:402-10. [PMID: 15292623 DOI: 10.1159/000079319] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2003] [Accepted: 12/02/2003] [Indexed: 11/19/2022] Open
Abstract
Starting with a spontaneous B-A centric fusion found in a natural population of the grasshopper Eyprepocnemis plorans, we have obtained different strains carrying the rearrangement in various conditions and doses. Using this material, we have analyzed the meiotic behavior of the translocated chromosome in living cultured spermatocytes, simulating the successive steps of a hypothetical process of integration of a B chromosome into the standard genome via B-A centric fusion. Remarkably, the behavior of fusion heterozygotes, the initial step of the integration process, is much more regular than that of any other configuration, including homozygotes. The reasons for the failure of B chromosome integration into the normal complement by translocation are discussed.
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Affiliation(s)
- N Granado
- Departamento de Genética, Universidad Complutense, Madrid, Spain
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Granado N, Rassy MR, Nogaroto SL, Carvalhal S, de Almeida EA, Chaia G. [Experimental infection of the monkey Cebus apella sp. by Trypanosoma cruzi. III. Value of xenodiagnosis and serodiagnosis in the chronic phase of the disease]. Rev Inst Med Trop Sao Paulo 1983; 25:283-7. [PMID: 6424219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
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