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Vreeland A, Calaprice D, Or-Geva N, Frye RE, Agalliu D, Lachman HM, Pittenger C, Pallanti S, Williams K, Ma M, Thienemann M, Gagliano A, Mellins E, Frankovich J. Postinfectious Inflammation, Autoimmunity, and Obsessive-Compulsive Disorder: Sydenham Chorea, Pediatric Autoimmune Neuropsychiatric Disorder Associated with Streptococcal Infection, and Pediatric Acute-Onset Neuropsychiatric Disorder. Dev Neurosci 2023; 45:361-374. [PMID: 37742615 DOI: 10.1159/000534261] [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: 05/23/2023] [Accepted: 09/14/2023] [Indexed: 09/26/2023] Open
Abstract
Postinfectious neuroinflammation has been implicated in multiple models of acute-onset obsessive-compulsive disorder including Sydenham chorea (SC), pediatric acute-onset neuropsychiatric syndrome (PANS), and pediatric autoimmune neuropsychiatric disorders associated with streptococcal infection (PANDAS). These conditions are associated with a range of autoantibodies which are thought to be triggered by infections, most notably group A streptococci (GAS). Based on animal models using huma sera, these autoantibodies are thought to cross-react with neural antigens in the basal ganglia and modulate neuronal activity and behavior. As is true for many childhood neuroinflammatory diseases and rheumatological diseases, SC, PANS, and PANDAS lack clinically available, rigorous diagnostic biomarkers and randomized clinical trials. In this review article, we outline the accumulating evidence supporting the role neuroinflammation plays in these disorders. We describe work with animal models including patient-derived anti-neuronal autoantibodies, and we outline imaging studies that show alterations in the basal ganglia. In addition, we present research on metabolites, which are helpful in deciphering functional phenotypes, and on the implication of sleep in these disorders. Finally, we encourage future researchers to collaborate across medical specialties (e.g., pediatrics, psychiatry, rheumatology, immunology, and infectious disease) in order to further research on clinical syndromes presenting with neuropsychiatric manifestations.
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Affiliation(s)
- Allison Vreeland
- Division of Child and Adolescent Psychiatry and Child Development, Department of Psychiatry, Stanford University School of Medicine, Palo Alto, California, USA
- Stanford Children's Health, PANS Clinic and Research Program, Stanford University School of Medicine, Palo Alto, California, USA
| | | | - Noga Or-Geva
- Interdepartmental Program in Immunology, Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Palo Alto, California, USA
| | - Richard E Frye
- Autism Discovery and Treatment Foundation, Phoenix, Arizona, USA
| | - Dritan Agalliu
- Department of Neurology, Pathology and Cell Biology, Columbia University Irving School of Medicine, New York, New York, USA
| | - Herbert M Lachman
- Departments of Psychiatry, Medicine, Genetics, and Neuroscience, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Christopher Pittenger
- Departments of Psychiatry and Psychology, Child Study Center and Center for Brain and Mind Health, Yale University School of Medicine, New Haven, Connecticut, USA
| | | | - Kyle Williams
- Department of Psychiatry Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Meiqian Ma
- Stanford Children's Health, PANS Clinic and Research Program, Stanford University School of Medicine, Palo Alto, California, USA
- Division of Pediatric Rheumatology, Department of Pediatrics, Stanford University School of Medicine, Palo Alto, California, USA
| | - Margo Thienemann
- Division of Child and Adolescent Psychiatry and Child Development, Department of Psychiatry, Stanford University School of Medicine, Palo Alto, California, USA
- Stanford Children's Health, PANS Clinic and Research Program, Stanford University School of Medicine, Palo Alto, California, USA
| | - Antonella Gagliano
- Division of Child Neurology and Psychiatry, Pediatric Department of Policlinico G. Matino, University of Messina, Messina, Italy
| | - Elizabeth Mellins
- Department of Pediatrics, Program in Immunology, Stanford University School of Medicine, Palo Alto, California, USA
| | - Jennifer Frankovich
- Stanford Children's Health, PANS Clinic and Research Program, Stanford University School of Medicine, Palo Alto, California, USA
- Division of Pediatric Rheumatology, Department of Pediatrics, Stanford University School of Medicine, Palo Alto, California, USA
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2
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Vreeland A, Thienemann M, Cunningham M, Muscal E, Pittenger C, Frankovich J. Neuroinflammation in Obsessive-Compulsive Disorder: Sydenham Chorea, Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal Infections, and Pediatric Acute Onset Neuropsychiatric Syndrome. Psychiatr Clin North Am 2023; 46:69-88. [PMID: 36740356 DOI: 10.1016/j.psc.2022.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Sydenham chorea (SC), pediatric autoimmune neuropsychiatric disorders associated with streptococcal infections (PANDAS) and pediatric acute-onset neuropsychiatric syndrome (PANS) are postinfectious neuroinflammatory diseases that involve the basal ganglia and have obsessive-compulsive disorder as a major manifestation. As is true for many childhood rheumatological diseases and neuroinflammatory diseases, SC, PANDAS and PANS lack clinically available, rigorous diagnostic biomarkers and randomized clinical trials. Research on the treatment of these disorders depend on three complementary modes of intervention including: treating the symptoms, treating the source of inflammation, and treating disturbances of the immune system. Future studies should aim to integrate neuroimaging, inflammation, immunogenetic, and clinical data (noting the stage in the clinical course) to increase our understanding and treatment of SC, PANDAS, PANS, and all other postinfectious/immune-mediated behavioral disorders.
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Affiliation(s)
- Allison Vreeland
- Division of Child and Adolescent Psychiatry and Child Development, Department of Psychiatry, Stanford University School of Medicine, Stanford, CA, USA; Stanford Children's Health, PANS Clinic and Research Program, Stanford University School of Medicine, Stanford, CA, USA.
| | - Margo Thienemann
- Division of Child and Adolescent Psychiatry and Child Development, Department of Psychiatry, Stanford University School of Medicine, Stanford, CA, USA; Stanford Children's Health, PANS Clinic and Research Program, Stanford University School of Medicine, Stanford, CA, USA
| | - Madeleine Cunningham
- Department of Microbiology and Immunology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Eyal Muscal
- Department of Rheumatology, Texas Children's Hospital, Houston, TX, USA
| | | | - Jennifer Frankovich
- Stanford Children's Health, PANS Clinic and Research Program, Stanford University School of Medicine, Stanford, CA, USA; Division of Pediatrics, Department of Allergy, Immunology, Rheumatology, Stanford University School of Medicine, Stanford, CA, USA
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3
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Schrag A, Martino D, Apter A, Ball J, Bartolini E, Benaroya-Milshtein N, Buttiglione M, Cardona F, Creti R, Efstratiou A, Gariup M, Georgitsi M, Hedderly T, Heyman I, Margarit I, Mir P, Moll N, Morer A, Müller N, Müller-Vahl K, Münchau A, Orefici G, Plessen KJ, Porcelli C, Paschou P, Rizzo R, Roessner V, Schwarz MJ, Steinberg T, Tagwerker Gloor F, Tarnok Z, Walitza S, Dietrich A, Hoekstra PJ. European Multicentre Tics in Children Studies (EMTICS): protocol for two cohort studies to assess risk factors for tic onset and exacerbation in children and adolescents. Eur Child Adolesc Psychiatry 2019; 28:91-109. [PMID: 29982875 PMCID: PMC6349795 DOI: 10.1007/s00787-018-1190-4] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Accepted: 06/28/2018] [Indexed: 12/22/2022]
Abstract
Genetic predisposition, autoimmunity and environmental factors [e.g. pre- and perinatal difficulties, Group A Streptococcal (GAS) and other infections, stress-inducing events] might interact to create a neurobiological vulnerability to the development of tics and associated behaviours. However, the existing evidence for this relies primarily on small prospective or larger retrospective population-based studies, and is therefore still inconclusive. This article describes the design and methodology of the EMTICS study, a longitudinal observational European multicentre study involving 16 clinical centres, with the following objectives: (1) to investigate the association of environmental factors (GAS exposure and psychosocial stress, primarily) with the onset and course of tics and/or obsessive-compulsive symptoms through the prospective observation of at-risk individuals (ONSET cohort: 260 children aged 3-10 years who are tic-free at study entry and have a first-degree relative with a chronic tic disorder) and affected individuals (COURSE cohort: 715 youth aged 3-16 years with a tic disorder); (2) to characterise the immune response to microbial antigens and the host's immune response regulation in association with onset and exacerbations of tics; (3) to increase knowledge of the human gene pathways influencing the pathogenesis of tic disorders; and (4) to develop prediction models for the risk of onset and exacerbations of tic disorders. The EMTICS study is, to our knowledge, the largest prospective cohort assessment of the contribution of different genetic and environmental factors to the risk of developing tics in putatively predisposed individuals and to the risk of exacerbating tics in young individuals with chronic tic disorders.
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Affiliation(s)
- Anette Schrag
- 0000000121901201grid.83440.3bDepartment of Clinical Neurosciences, UCL Institute of Neurology, University College London, London, UK
| | - Davide Martino
- 0000 0004 1936 7697grid.22072.35Department of Clinical Neurosciences, University of Calgary, Calgary, Canada
| | - Alan Apter
- 0000 0004 1937 0546grid.12136.37Child and Adolescent Psychiatry Department, Schneider Children’s Medical Center of Israel, Affiliated to Sackler Faculty of Medicine, Tel Aviv University, Petah-Tikva, Israel
| | - Juliane Ball
- 0000 0004 1937 0650grid.7400.3Clinic of Child and Adolescent Psychiatry and Psychotherapy, University of Zurich, Zurich, Switzerland
| | | | - Noa Benaroya-Milshtein
- 0000 0004 1937 0546grid.12136.37Child and Adolescent Psychiatry Department, Schneider Children’s Medical Center of Israel, Affiliated to Sackler Faculty of Medicine, Tel Aviv University, Petah-Tikva, Israel
| | - Maura Buttiglione
- 0000 0001 0120 3326grid.7644.1Department of Biological Sciences and Human Oncology, Medical School, University of Bari “Aldo Moro”, Bari, Italy
| | - Francesco Cardona
- grid.7841.aDepartment of Human Neurosciences, University La Sapienza of Rome, Rome, Italy
| | - Roberta Creti
- 0000 0000 9120 6856grid.416651.1Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Androulla Efstratiou
- 0000 0004 5909 016Xgrid.271308.fWHO Global Collaborating Centre for Reference and Research on Diphtheria and Streptococcal Infections, Reference Microbiology, Directorate National Infection Service, Public Health England, London, UK
| | - Maria Gariup
- 0000 0004 1937 0247grid.5841.8University of Barcelona, Barcelona, Spain ,Intensive Inpatient Unit, Copenhagen Psychiatric Center, Copenhagen, Denmark
| | - Marianthi Georgitsi
- 0000 0001 2170 8022grid.12284.3dDepartment of Molecular Biology and Genetics, Democritus University of Thrace, Alexandroupoli, Greece ,0000000109457005grid.4793.9Department of Medicine, Aristotle University of Thessaloniki, Thessaloníki, Greece
| | - Tammy Hedderly
- 0000 0004 5345 7223grid.483570.dEvelina London Children’s Hospital GSTT, Kings Health Partners AHSC, London, UK
| | - Isobel Heyman
- 0000000121901201grid.83440.3bGreat Ormond Street Hospital for Children, UCL Institute of Child Health, London, UK
| | | | - Pablo Mir
- Unidad de Trastornos del Movimiento, Servicio de Neurología y Neurofisiología Clinica, Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocio/CSIC/Universidad de Sevilla, Seville, Spain
| | - Natalie Moll
- 0000 0004 1936 973Xgrid.5252.0Institute of Laboratory Medicine, University Hospital, LMU Munich, Munich, Germany
| | - Astrid Morer
- 0000 0000 9635 9413grid.410458.cDepartment of Child and Adolescent Psychiatry and Psychology, Institute of Neurosciences, Hospital Clinic Universitari, Barcelona, Spain ,grid.10403.36Institut d’Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain ,0000 0000 9314 1427grid.413448.eCentro de Investigacion en Red de Salud Mental (CIBERSAM), Instituto Carlos III, Madrid, Spain
| | - Norbert Müller
- 0000 0004 1936 973Xgrid.5252.0Department of Psychiatry and Psychotherapy, University Hospital, LMU Munich, Munich, Germany ,Marion von Tessin Memory-Zentrum gGmbH, Munich, Germany
| | - Kirsten Müller-Vahl
- 0000 0000 9529 9877grid.10423.34Clinic of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School, Hannover, Germany
| | - Alexander Münchau
- 0000 0001 0057 2672grid.4562.5Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | - Graziella Orefici
- 0000 0000 9120 6856grid.416651.1Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Kerstin J. Plessen
- Child and Adolescent Mental Health Center, Mental Health Services, Capital Region of Denmark and University of Copenhagen, Copenhagen, Denmark ,0000 0001 2165 4204grid.9851.5Service of Child and Adolescent Psychiatry, Department of Psychiatry, University Medical Center, University of Lausanne, Lausanne, Switzerland
| | - Cesare Porcelli
- Azienda Sanitaria Locale di Bari, Mental Health Department, Child and Adolescent Neuropsychiatry Service of Bari Metropolitan Area, Bari, Italy
| | - Peristera Paschou
- 0000 0004 1937 2197grid.169077.eDepartment of Biological Sciences, Purdue University, West Lafayette, USA
| | - Renata Rizzo
- 0000 0004 1757 1969grid.8158.4Child Neuropsychiatry Section, Department of Clinical and Experimental Medicine, School of Medicine, Catania University, Catania, Italy
| | - Veit Roessner
- 0000 0001 2111 7257grid.4488.0Department of Child and Adolescent Psychiatry, Faculty of Medicine, TU Dresden, Dresden, Germany
| | - Markus J. Schwarz
- 0000 0004 1936 973Xgrid.5252.0Institute of Laboratory Medicine, University Hospital, LMU Munich, Munich, Germany
| | - Tamar Steinberg
- 0000 0004 1937 0546grid.12136.37Child and Adolescent Psychiatry Department, Schneider Children’s Medical Center of Israel, Affiliated to Sackler Faculty of Medicine, Tel Aviv University, Petah-Tikva, Israel
| | - Friederike Tagwerker Gloor
- 0000 0004 1937 0650grid.7400.3Clinic of Child and Adolescent Psychiatry and Psychotherapy, University of Zurich, Zurich, Switzerland
| | - Zsanett Tarnok
- Vadaskert Child and Adolescent Psychiatric Hospital, Budapest, Hungary
| | - Susanne Walitza
- 0000 0004 1937 0650grid.7400.3Clinic of Child and Adolescent Psychiatry and Psychotherapy, University of Zurich, Zurich, Switzerland
| | - Andrea Dietrich
- 0000 0004 0407 1981grid.4830.fDepartment of Child and Adolescent Psychiatry, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Pieter J. Hoekstra
- 0000 0004 0407 1981grid.4830.fDepartment of Child and Adolescent Psychiatry, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
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Maia TV, Conceição VA. Dopaminergic Disturbances in Tourette Syndrome: An Integrative Account. Biol Psychiatry 2018; 84:332-344. [PMID: 29656800 DOI: 10.1016/j.biopsych.2018.02.1172] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 02/04/2018] [Accepted: 02/25/2018] [Indexed: 12/28/2022]
Abstract
Tourette syndrome (TS) is thought to involve dopaminergic disturbances, but the nature of those disturbances remains controversial. Existing hypotheses suggest that TS involves 1) supersensitive dopamine receptors, 2) overactive dopamine transporters that cause low tonic but high phasic dopamine, 3) presynaptic dysfunction in dopamine neurons, or 4) dopaminergic hyperinnervation. We review evidence that contradicts the first two hypotheses; we also note that the last two hypotheses have traditionally been considered too narrowly, explaining only small subsets of findings. We review all studies that have used positron emission tomography and single-photon emission computerized tomography to investigate the dopaminergic system in TS. The seemingly diverse findings from those studies have typically been interpreted as pointing to distinct mechanisms, as evidenced by the various hypotheses concerning the nature of dopaminergic disturbances in TS. We show, however, that the hyperinnervation hypothesis provides a simple, parsimonious explanation for all such seemingly diverse findings. Dopaminergic hyperinnervation likely causes increased tonic and phasic dopamine. We have previously shown, using a computational model of the role of dopamine in basal ganglia, that increased tonic dopamine and increased phasic dopamine likely increase the propensities to express and learn tics, respectively. There is therefore a plausible mechanistic link between dopaminergic hyperinnervation and TS via increased tonic and phasic dopamine. To further bolster this argument, we review evidence showing that all medications that are effective for TS reduce signaling by tonic dopamine, phasic dopamine, or both.
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Affiliation(s)
- Tiago V Maia
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal.
| | - Vasco A Conceição
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
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5
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Godar SC, Bortolato M. What makes you tic? Translational approaches to study the role of stress and contextual triggers in Tourette syndrome. Neurosci Biobehav Rev 2017; 76:123-133. [PMID: 27939782 PMCID: PMC5403589 DOI: 10.1016/j.neubiorev.2016.10.003] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Revised: 09/17/2016] [Accepted: 10/05/2016] [Indexed: 01/04/2023]
Abstract
Tourette syndrome (TS) is a neurodevelopmental condition characterized by multiple, recurring motor and phonic tics. Rich empirical evidence shows that the severity of tics and associated manifestations is increased by several stressors and contextual triggers; however, the neurobiological mechanisms responsible for symptom exacerbation in TS remain poorly understood. This conceptual gap partially reflects the high phenotypic variability in tics, as well as the existing difficulties in operationalizing and standardizing stress and its effects in a clinical setting. Animal models of TS may be highly informative tools to overcome some of these limitations; these experimental preparations have already provided critical insights on key aspects of TS pathophysiology, and may prove useful to identify the neurochemical alterations induced by different stressful contingencies. In particular, emerging knowledge on the role of contextual triggers in animal models of TS may inform the development of novel pharmacological interventions to reduce tic fluctuations in this disorder.
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Affiliation(s)
- Sean C Godar
- Dept. of Pharmacology and Toxicology, College of Pharmacy, United States; University of Utah, Salt Lake City, UT, United States
| | - Marco Bortolato
- Dept. of Pharmacology and Toxicology, College of Pharmacy, United States; University of Utah, Salt Lake City, UT, United States.
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Spinello C, Laviola G, Macrì S. Pediatric Autoimmune Disorders Associated with Streptococcal Infections and Tourette's Syndrome in Preclinical Studies. Front Neurosci 2016; 10:310. [PMID: 27445678 PMCID: PMC4928151 DOI: 10.3389/fnins.2016.00310] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Accepted: 06/20/2016] [Indexed: 01/08/2023] Open
Abstract
Accumulating evidence suggests that Tourette's Syndrome (TS) - a multifactorial pediatric disorder characterized by the recurrent exhibition of motor tics and/or vocal utterances - can partly depend on immune dysregulation provoked by early repeated streptococcal infections. The natural and adaptive antibody-mediated reaction to streptococcus has been proposed to potentially turn into a pathological autoimmune response in vulnerable individuals. Specifically, in conditions of increased permeability of the blood brain barrier (BBB), streptococcus-induced antibodies have been proposed to: (i) reach neuronal targets located in brain areas responsible for motion control; and (ii) contribute to the exhibition of symptoms. This theoretical framework is supported by indirect evidence indicating that a subset of TS patients exhibit elevated streptococcal antibody titers upon tic relapses. A systematic evaluation of this hypothesis entails preclinical studies providing a proof of concept of the aforementioned pathological sequelae. These studies shall rest upon individuals characterized by a vulnerable immune system, repeatedly exposed to streptococcus, and carefully screened for phenotypes isomorphic to the pathological signs of TS observed in patients. Preclinical animal models may thus constitute an informative, useful tool upon which conducting targeted, hypothesis-driven experiments. In the present review we discuss the available evidence in preclinical models in support of the link between TS and pediatric autoimmune neuropsychiatric disorders associated with streptococcus infections (PANDAS), and the existing gaps that future research shall bridge. Specifically, we report recent preclinical evidence indicating that the immune responses to repeated streptococcal immunizations relate to the occurrence of behavioral and neurological phenotypes reminiscent of TS. By the same token, we discuss the limitations of these studies: limited evidence of behavioral phenotypes isomorphic to tics and scarce knowledge about the immunological phenomena favoring the transition from natural adaptive immunity to pathological outcomes.
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Affiliation(s)
- Chiara Spinello
- Section of Behavioural Neuroscience, Department of Cell Biology and Neuroscience, Istituto Superiore di Sanità Roma, Italy
| | - Giovanni Laviola
- Section of Behavioural Neuroscience, Department of Cell Biology and Neuroscience, Istituto Superiore di Sanità Roma, Italy
| | - Simone Macrì
- Section of Behavioural Neuroscience, Department of Cell Biology and Neuroscience, Istituto Superiore di Sanità Roma, Italy
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7
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Homberg JR, Kyzar EJ, Nguyen M, Norton WH, Pittman J, Poudel MK, Gaikwad S, Nakamura S, Koshiba M, Yamanouchi H, Scattoni ML, Ullman JF, Diamond DM, Kaluyeva AA, Parker MO, Klimenko VM, Apryatin SA, Brown RE, Song C, Gainetdinov RR, Gottesman II, Kalueff AV. Understanding autism and other neurodevelopmental disorders through experimental translational neurobehavioral models. Neurosci Biobehav Rev 2016; 65:292-312. [DOI: 10.1016/j.neubiorev.2016.03.013] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Revised: 03/11/2016] [Accepted: 03/21/2016] [Indexed: 12/11/2022]
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Macrì S, Ceci C, Proietti Onori M, Invernizzi RW, Bartolini E, Altabella L, Canese R, Imperi M, Orefici G, Creti R, Margarit I, Magliozzi R, Laviola G. Mice repeatedly exposed to Group-A β-Haemolytic Streptococcus show perseverative behaviors, impaired sensorimotor gating, and immune activation in rostral diencephalon. Sci Rep 2015; 5:13257. [PMID: 26304458 PMCID: PMC4548234 DOI: 10.1038/srep13257] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2015] [Accepted: 06/09/2015] [Indexed: 01/24/2023] Open
Abstract
Repeated exposure to Group-A β-Haemolytic Streptococcus (GAS) may constitute a vulnerability factor in the onset and course of pediatric motor disturbances. GAS infections/colonization can stimulate the production of antibodies, which may cross the blood brain barrier, target selected brain areas (e.g. basal ganglia), and exacerbate motor alterations. Here, we exposed developing SJL male mice to four injections with a GAS homogenate and evaluated the following domains: motor coordination; general locomotion; repetitive behaviors; perseverative responses; and sensorimotor gating (pre-pulse inhibition, PPI). To demonstrate that behavioral changes were associated with immune-mediated brain alterations, we analyzed, in selected brain areas, the presence of infiltrates and microglial activation (immunohistochemistry), monoamines (HPLC), and brain metabolites (in vivo Magnetic Resonance Spectroscopy). GAS-exposed mice showed increased repetitive and perseverative behaviors, impaired PPI, and reduced concentrations of serotonin in prefrontal cortex, a brain area linked to the behavioral domains investigated, wherein they also showed remarkable elevations in lactate. Active inflammatory processes were substantiated by the observation of infiltrates and microglial activation in the white matter of the anterior diencephalon. These data support the hypothesis that repeated GAS exposure may elicit inflammatory responses in brain areas involved in motor control and perseverative behavior, and result in phenotypic abnormalities.
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Affiliation(s)
- Simone Macrì
- Sect. Behavioural Neuroscience, Dept. Cell Biology &Neuroscience, Istituto Superiore di Sanità, Viale Regina Elena, 299, I-00161 Roma, Italy
| | - Chiara Ceci
- Sect. Behavioural Neuroscience, Dept. Cell Biology &Neuroscience, Istituto Superiore di Sanità, Viale Regina Elena, 299, I-00161 Roma, Italy
| | - Martina Proietti Onori
- Sect. Behavioural Neuroscience, Dept. Cell Biology &Neuroscience, Istituto Superiore di Sanità, Viale Regina Elena, 299, I-00161 Roma, Italy
| | | | - Erika Bartolini
- Research Centre, Novartis Vaccines and Diagnostics, Via Fiorentina 1, 53100 Siena, Italy
| | - Luisa Altabella
- Sect. Molecular and Cellular Imaging, Dept. Cell Biology &Neuroscience, Istituto Superiore di Sanità, Viale Regina Elena, 299, I-00161 Roma, Italy
| | - Rossella Canese
- Sect. Molecular and Cellular Imaging, Dept. Cell Biology &Neuroscience, Istituto Superiore di Sanità, Viale Regina Elena, 299, I-00161 Roma, Italy
| | - Monica Imperi
- Sect. Respiratory and Systemic Bacterial Diseases, Dept. of Infectious, Parasitic, and Immune-mediated Diseases, Istituto Superiore di Sanità, Viale Regina Elena, 299, I-00161 Roma, Italy
| | - Graziella Orefici
- Sect. Respiratory and Systemic Bacterial Diseases, Dept. of Infectious, Parasitic, and Immune-mediated Diseases, Istituto Superiore di Sanità, Viale Regina Elena, 299, I-00161 Roma, Italy
| | - Roberta Creti
- Sect. Respiratory and Systemic Bacterial Diseases, Dept. of Infectious, Parasitic, and Immune-mediated Diseases, Istituto Superiore di Sanità, Viale Regina Elena, 299, I-00161 Roma, Italy
| | - Immaculada Margarit
- Research Centre, Novartis Vaccines and Diagnostics, Via Fiorentina 1, 53100 Siena, Italy
| | - Roberta Magliozzi
- Sect. Demyelinating and Inflammatory Diseases of the CNS, Dept. Cell Biology &Neuroscience, Istituto Superiore di Sanità, Viale Regina Elena, 299, I-00161 Roma, Italy
| | - Giovanni Laviola
- Sect. Behavioural Neuroscience, Dept. Cell Biology &Neuroscience, Istituto Superiore di Sanità, Viale Regina Elena, 299, I-00161 Roma, Italy
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Xu M, Li L, Ohtsu H, Pittenger C. Histidine decarboxylase knockout mice, a genetic model of Tourette syndrome, show repetitive grooming after induced fear. Neurosci Lett 2015; 595:50-3. [PMID: 25841792 DOI: 10.1016/j.neulet.2015.03.067] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Revised: 03/02/2015] [Accepted: 03/31/2015] [Indexed: 11/19/2022]
Abstract
Tics, such as are seen in Tourette syndrome (TS), are common and can cause profound morbidity, but they are poorly understood. Tics are potentiated by psychostimulants, stress, and sleep deprivation. Mutations in the gene histidine decarboxylase (Hdc) have been implicated as a rare genetic cause of TS, and Hdc knockout mice have been validated as a genetic model that recapitulates phenomenological and pathophysiological aspects of the disorder. Tic-like stereotypies in this model have not been observed at baseline but emerge after acute challenge with the psychostimulant d-amphetamine. We tested the ability of an acute stressor to stimulate stereotypies in this model, using tone fear conditioning. Hdc knockout mice acquired conditioned fear normally, as manifested by freezing during the presentation of a tone 48h after it had been paired with a shock. During the 30min following tone presentation, knockout mice showed increased grooming. Heterozygotes exhibited normal freezing and intermediate grooming. These data validate a new paradigm for the examination of tic-like stereotypies in animals without pharmacological challenge and enhance the face validity of the Hdc knockout mouse as a pathophysiologically grounded model of tic disorders.
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Affiliation(s)
- Meiyu Xu
- Department of Psychiatry, Yale Univeristy, New Haven, CT, USA
| | - Lina Li
- Department of Psychiatry, Yale Univeristy, New Haven, CT, USA
| | - Hiroshi Ohtsu
- Tohoku University, Graduate School of Engineering, Sendai, Japan
| | - Christopher Pittenger
- Department of Psychiatry, Yale Univeristy, New Haven, CT, USA; Department of Psychology, Yale Univeristy, New Haven, CT, USA; Child Study Center, Yale Univeristy, New Haven, CT, USA; Interdepartmental Neuroscience Program, Yale Univeristy, New Haven, CT, USA.
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Pogorelov V, Xu M, Smith HR, Buchanan GF, Pittenger C. Corticostriatal interactions in the generation of tic-like behaviors after local striatal disinhibition. Exp Neurol 2015; 265:122-8. [PMID: 25597650 DOI: 10.1016/j.expneurol.2015.01.001] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2014] [Revised: 12/11/2014] [Accepted: 01/05/2015] [Indexed: 12/21/2022]
Abstract
The pathophysiology of the tics that define Gilles de la Tourette syndrome (TS) is not well understood. Local disinhibition within the striatum has been hypothesized to play a pathogenic role. In support of this, experimental disinhibition by local antagonism of GABA-A receptors within the striatum produces tic-like phenomenology in monkey and rat. We replicated this effect in mice via local picrotoxin infusion into the dorsal striatum. Infusion of picrotoxin into sensorimotor cortex produced similar movements, accompanied by signs of behavioral activation; higher-dose picrotoxin in the cortex produced seizures. Striatal inhibition with local muscimol completely abolished tic-like movements after either striatal or cortical picrotoxin, confirming their dependence on the striatal circuitry; in contrast, cortical muscimol attenuated but did not abolish movements produced by striatal picrotoxin. Striatal glutamate blockade eliminated tic-like movements after striatal picrotoxin, indicating that glutamatergic afferents are critical for their generation. These studies replicate and extend previous work in monkey and rat, providing additional validation for the local disinhibition model of tic generation. Our results reveal a key role for corticostriatal glutamatergic afferents in the generation of tic-like movements in this model.
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Affiliation(s)
| | - Meiyu Xu
- Department of Psychiatry, Yale University School of Medicine, USA
| | - Haleigh R Smith
- Department of Neurology, Yale University School of Medicine, USA
| | | | - Christopher Pittenger
- Department of Psychiatry, Yale University School of Medicine, USA; Department of Psychology, Yale University School of Medicine, USA; Department of Child Study Center, Yale University School of Medicine, USA; Interdepartmental Neuroscience Program, Yale University School of Medicine, USA.
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Proietti Onori M, Ceci C, Laviola G, Macrì S. A behavioural test battery to investigate tic-like symptoms, stereotypies, attentional capabilities, and spontaneous locomotion in different mouse strains. Behav Brain Res 2014; 267:95-105. [PMID: 24675156 DOI: 10.1016/j.bbr.2014.03.023] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2013] [Revised: 03/11/2014] [Accepted: 03/16/2014] [Indexed: 01/08/2023]
Abstract
The preclinical study of human disorders associated with comorbidities and for which the aetiology is still unclear may substantially benefit from multi-strain studies conducted in mice. The latter can help isolating experimental populations (strains) exhibiting distinct facets in the parameters isomorphic to the symptoms of a given disorder. Through a reverse-translation approach, multi-strain studies can inform both natural predisposing factors and environmental modulators. Thus, mouse strains selected for a particular trait may be leveraged to generate hypothesis-driven studies aimed at clarifying the potential role played by the environment in modulating the exhibition of the symptoms of interest. Tourette's syndrome (TS) constitutes a paradigmatic example whereby: it is characterized by a core symptom (tics) often associated with comorbidities (attention-deficit-hyperactivity and obsessive-compulsive symptoms); it has a clear genetic origin though specific genes are, as yet, unidentified; its course (exacerbations and remissions) is under the influence of environmental factors. Based on these considerations, we tested four mouse strains (ABH, C57, CD1, and SJL) - varying along a plethora of behavioural, neurochemical, and immunological parameters - on a test battery tailored to address the following domains: tics (through the i.p. administration of the selective 5-HT2 receptor agonist DOI, 5mg/kg); locomotion (spontaneous locomotion in the home-cage); perseverative responding in an attentional set shifting task; and behavioural stereotypies in response to a single amphetamine (10mg/kg, i.p.) injection. Present data demonstrate that while ABH and SJL mice respectively exhibit selective increments in amphetamine-induced sniffing behaviour and DOI-induced tic-like behaviours, C57 and CD1 mice show a distinct phenotype, compared to other strains, in several parameters.
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Affiliation(s)
- Martina Proietti Onori
- Section of Behavioural Neuroscience, Department of Cell Biology & Neuroscience, Istituto Superiore di Sanità, Rome, Italy
| | - Chiara Ceci
- Section of Behavioural Neuroscience, Department of Cell Biology & Neuroscience, Istituto Superiore di Sanità, Rome, Italy
| | - Giovanni Laviola
- Section of Behavioural Neuroscience, Department of Cell Biology & Neuroscience, Istituto Superiore di Sanità, Rome, Italy
| | - Simone Macrì
- Section of Behavioural Neuroscience, Department of Cell Biology & Neuroscience, Istituto Superiore di Sanità, Rome, Italy.
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Macrì S, Onori MP, Roessner V, Laviola G. Animal models recapitulating the multifactorial origin of Tourette syndrome. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2013; 112:211-37. [PMID: 24295623 DOI: 10.1016/b978-0-12-411546-0.00008-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Tourette Syndrome (TS) is a neurological disorder characterized by motor and phonic tics affecting approximately 1% of the pediatric population. Behavioral comorbidities often include obsessive-compulsive behavior and impaired attention. The neurobiological substrates associated with TS generally entail abnormalities in neurotransmitter circuitry regulating basal ganglia activity. The neurotransmitters most often associated with TS are dopamine, serotonin, and GABA. TS origin roots in genetic predisposing factors, and environmental variables favoring tic onset and exacerbation. Among the latter, repeated infections with group A beta-hemolytic Streptococcus and psychosocial stressors encountered during development have been proposed to constitute likely susceptibility factors. In this chapter, we describe how this clinical/epidemiological knowledge has been translated into animal models of TS. Specifically, we review several studies attempting to reproduce TS-like symptoms (tics and behavioral stereotypies) and comorbidities (impaired attention, increased locomotion, and perseverative responding) in laboratory rodents. Additionally, we discuss studies in which the genetic and environmental predisposing factors have been modeled in experimental subjects. Ultimately, we propose a unifying perspective recapitulating dependent and independent variables in the preclinical study of TS and discuss its potential theoretical and heuristic implications.
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Affiliation(s)
- Simone Macrì
- Section of Behavioural Neuroscience, Department Cell Biology and Neuroscience, Istituto Superiore di Sanità, Roma, Italy
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