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Orth L, Meeh J, Leiding D, Habel U, Neuner I, Sarkheil P. Aberrant Functional Connectivity of the Salience Network in Adult Patients with Tic Disorders: A Resting-State fMRI Study. eNeuro 2024; 11:ENEURO.0223-23.2024. [PMID: 38744491 PMCID: PMC11167695 DOI: 10.1523/eneuro.0223-23.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 12/27/2023] [Accepted: 02/26/2024] [Indexed: 05/16/2024] Open
Abstract
Tic disorders (TD) are characterized by the presence of motor and/or vocal tics. Common neurophysiological frameworks suggest dysregulations of the cortico-striatal-thalamo-cortical (CSTC) brain circuit that controls movement execution. Besides common tics, there are other "non-tic" symptoms that are primarily related to sensory perception, sensorimotor integration, attention, and social cognition. The existence of these symptoms, the sensory tic triggers, and the modifying effect of attention and cognitive control mechanisms on tics may indicate the salience network's (SN) involvement in the neurophysiology of TD. Resting-state functional MRI measurements were performed in 26 participants with TD and 25 healthy controls (HC). The group differences in resting-state functional connectivity patterns were measured based on seed-to-voxel connectivity analyses. Compared to HC, patients with TD exhibited altered connectivity between the core regions of the SN (insula, anterior cingulate cortex, and temporoparietal junction) and sensory, associative, and motor-related cortices. Furthermore, connectivity changes were observed in relation to the severity of tics in the TD group. The SN, particularly the insula, is likely to be an important site of dysregulation in TD. Our results provide evidence for large-scale neural deviations in TD beyond the CSTC pathologies. These findings may be relevant for developing treatment targets.
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Affiliation(s)
- Linda Orth
- Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, 52074 Aachen, Germany
| | - Johanna Meeh
- Department of Psychiatry and Psychotherapy, University of Münster, 48149 Münster, Germany
| | - Delia Leiding
- Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, 52074 Aachen, Germany
| | - Ute Habel
- Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, 52074 Aachen, Germany
| | - Irene Neuner
- Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, 52074 Aachen, Germany
- Institute of Neuroscience and Medicine 4, INM-4, Forschungszentrum Jülich, 52428 Jülich, Germany
| | - Pegah Sarkheil
- Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, 52074 Aachen, Germany
- Department of Psychiatry and Psychotherapy, University of Münster, 48149 Münster, Germany
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Desfossés-Vallée S, Leclerc JB, Blanchet P, O’Connor KP, Lavoie ME. Comparing the 'When' and the 'Where' of Electrocortical Activity in Patients with Tourette Syndrome, Body-Focused Repetitive Behaviors, and Obsessive Compulsive Disorder. J Clin Med 2024; 13:2489. [PMID: 38731020 PMCID: PMC11084402 DOI: 10.3390/jcm13092489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 04/17/2024] [Accepted: 04/17/2024] [Indexed: 05/13/2024] Open
Abstract
Background/Objectives: Tourette Syndrome (TS), Obsessive Compulsive Disorder (OCD), and Body-Focused Repetitive Behaviors (BFRB) are three disorders that share many similarities in terms of phenomenology, neuroanatomy, and functionality. However, despite the literature pointing toward a plausible spectrum of these disorders, only a few studies have compared them. Studying the neurocognitive processes using Event-Related Potentials (ERPs) offers the advantage of assessing brain activity with excellent temporal resolution. The ERP components can then reflect specific processes known to be potentially affected by these disorders. Our first goal is to characterize 'when' in the processing stream group differences are the most prominent. The second goal is to identify 'where' in the brain the group discrepancies could be. Methods: Participants with TS (n = 24), OCD (n = 18), and BFRB (n = 16) were matched to a control group (n = 59) and were recorded with 58 EEG electrodes during a visual counting oddball task. Three ERP components were extracted (i.e., P200, N200, and P300), and generating sources were modelized with Standardized Low-Resolution Electromagnetic Tomography. Results: We showed no group differences for the P200 and N200 when controlling for anxiety and depressive symptoms, suggesting that the early cognitive processes reflected by these components are relatively intact in these populations. Our results also showed a decrease in the later anterior P300 oddball effect for the TS and OCD groups, whereas an intact oddball effect was observed for the BFRB group. Source localization analyses with sLORETA revealed activations in the lingual and middle occipital gyrus for the OCD group, distinguishing it from the other two clinical groups and the controls. Conclusions: It seems that both TS and OCD groups share deficits in anterior P300 activation but reflect distinct brain-generating source activations.
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Affiliation(s)
- Sarah Desfossés-Vallée
- Laboratoire de Psychophysiologie Cognitive et Sociale, Montréal, QC H1N 3J4, Canada;
- Centre de Recherche de l’Institut Universitaire en Santé Mentale de Montréal, Montréal, QC H1N 3J4, Canada; (J.B.L.); (P.B.); (K.P.O.)
- Département de Psychologie, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Julie B. Leclerc
- Centre de Recherche de l’Institut Universitaire en Santé Mentale de Montréal, Montréal, QC H1N 3J4, Canada; (J.B.L.); (P.B.); (K.P.O.)
- Département de Psychologie, Université du Québec à Montréal, Montréal, QC H2X 3P2, Canada
- Centre de Recherche CIUSSS du Nord-de-l’île-de-Montréal, Montréal, QC H4J 1C5, Canada
| | - Pierre Blanchet
- Centre de Recherche de l’Institut Universitaire en Santé Mentale de Montréal, Montréal, QC H1N 3J4, Canada; (J.B.L.); (P.B.); (K.P.O.)
- Faculté de Médecine Dentaire, Département de Stomatologie, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Kieron P. O’Connor
- Centre de Recherche de l’Institut Universitaire en Santé Mentale de Montréal, Montréal, QC H1N 3J4, Canada; (J.B.L.); (P.B.); (K.P.O.)
- Département de Psychiatrie et Addictologie, Université de Montréal, Montréal, QC H3C 3J7, Canada
| | - Marc E. Lavoie
- Laboratoire de Psychophysiologie Cognitive et Sociale, Montréal, QC H1N 3J4, Canada;
- Centre de Recherche de l’Institut Universitaire en Santé Mentale de Montréal, Montréal, QC H1N 3J4, Canada; (J.B.L.); (P.B.); (K.P.O.)
- Département de Sciences Humaines, Lettres et Communication, Université TÉLUQ, Quebec City, QC G1K 9H6, Canada
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3
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Zhang C, Liu W, Xu L, Liu S, Che F. Abnormal H3K4 enzyme catalytic activity and neuronal morphology caused by ASH1L mutations in individuals with Tourette syndrome. Eur Child Adolesc Psychiatry 2024:10.1007/s00787-024-02437-3. [PMID: 38634863 DOI: 10.1007/s00787-024-02437-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Accepted: 04/04/2024] [Indexed: 04/19/2024]
Abstract
ASH1L potentially contributes to Tourette syndrome (TS) and other neuropsychiatric disorders, as our previous studies have shown. It regulates essential developmental genes by counteracting polycomb-mediated transcriptional repression, which restricts chromatin accessibility at target genes. ASH1L is highly expressed in the adult brain, playing a crucial role in the early stage. However, it remains unclear how ASH1L mutations carried by patients with TS participate in regulating neuronal growth processes leading to TS traits. Five TS families recruited in our study underwent comprehensive physical examinations and questionnaires to record clinical phenotypes and environmental impact factors. We validated the variants via Sanger sequencing and constructed two mutants near the catalytic domain of ASH1L. We conducted molecular modeling, in vitro assays, and primary neuron cultures to find the role of ASH1L in neuronal development and its correlation with TS. In this study, we validated five pathogenic ASH1L rare variants and observed symptoms in patients with simple tics and behavioral comorbidities. Mutations near the catalytic domain of TS patients cause mental state abnormalities and disrupt ASH1L function by destabilizing its spatial conformation, leading to decreased activity of catalytic H3K4, thereby affecting the neurite growth. We need to conduct larger-scale studies on TS patients and perform additional neurological evaluations on mature neurons. We first reported the effects of ASH1L mutations in TS patients, including phenotypic heterogeneity, protein function, and neurological growth. This information contributes to understanding the neurodevelopmental pathogenesis of TS in patients with ASH1L mutations.
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Affiliation(s)
- Cheng Zhang
- Department of Neurology, The Second Affiliated Hospital of Shandong University, Jinan, 250033, Shandong, China
- Department of Neurology, Linyi People's Hospital, 27 East Section of Jiefang Road Lanshan District, Linyi, 276000, Shandong, China
| | - Wenmiao Liu
- Medical Genetic Department, The Affiliated Hospital of Qingdao University, Qingdao, 266003, Shandong, China
| | - Lulu Xu
- Medical Genetic Department, The Affiliated Hospital of Qingdao University, Qingdao, 266003, Shandong, China
| | - Shiguo Liu
- Medical Genetic Department, The Affiliated Hospital of Qingdao University, Qingdao, 266003, Shandong, China.
| | - Fengyuan Che
- Department of Neurology, Linyi People's Hospital, 27 East Section of Jiefang Road Lanshan District, Linyi, 276000, Shandong, China
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4
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Takacs A, Toth-Faber E, Schubert L, Tárnok Z, Ghorbani F, Trelenberg M, Nemeth D, Münchau A, Beste C. Resting network architecture of theta oscillations reflects hyper-learning of sensorimotor information in Gilles de la Tourette syndrome. Brain Commun 2024; 6:fcae092. [PMID: 38562308 PMCID: PMC10984574 DOI: 10.1093/braincomms/fcae092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 02/01/2024] [Accepted: 03/13/2024] [Indexed: 04/04/2024] Open
Abstract
Gilles de la Tourette syndrome is a neurodevelopmental disorder characterized by motor and vocal tics. It is associated with enhanced processing of stimulus-response associations, including a higher propensity to learn probabilistic stimulus-response contingencies (i.e. statistical learning), the nature of which is still elusive. In this study, we investigated the hypothesis that resting-state theta network organization is a key for the understanding of superior statistical learning in these patients. We investigated the graph-theoretical network architecture of theta oscillations in adult patients with Gilles de la Tourette syndrome and healthy controls during a statistical learning task and in resting states both before and after learning. We found that patients with Gilles de la Tourette syndrome showed a higher statistical learning score than healthy controls, as well as a more optimal (small-world-like) theta network before the task. Thus, patients with Gilles de la Tourette syndrome had a superior facility to integrate and evaluate novel information as a trait-like characteristic. Additionally, the theta network architecture in Gilles de la Tourette syndrome adapted more to the statistical information during the task than in HC. We suggest that hyper-learning in patients with Gilles de la Tourette syndrome is likely a consequence of increased sensitivity to perceive and integrate sensorimotor information leveraged through theta oscillation-based resting-state dynamics. The study delineates the neural basis of a higher propensity in patients with Gilles de la Tourette syndrome to pick up statistical contingencies in their environment. Moreover, the study emphasizes pathophysiologically endowed abilities in patients with Gilles de la Tourette syndrome, which are often not taken into account in the perception of this common disorder but could play an important role in destigmatization.
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Affiliation(s)
- Adam Takacs
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine, TU Dresden, Dresden 01069, Germany
- Faculty of Medicine, University Neuropsychology Center, TU Dresden, Dresden 01069, Germany
| | - Eszter Toth-Faber
- Institute of Psychology, ELTE Eötvös Loránd University, Budapest 1064, Hungary
- Brain, Memory and Language Research Group, Institute of Cognitive Neuroscience and Psychology, HUN-REN Research Centre for Natural Sciences, Budapest 1117, Hungary
| | - Lina Schubert
- Institute of Systems Motor Science, University of Lübeck, Lübeck 23562, Germany
| | - Zsanett Tárnok
- Vadaskert Child and Adolescent Psychiatry Hospital and Outpatient Clinic, Budapest 1021, Hungary
| | - Foroogh Ghorbani
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine, TU Dresden, Dresden 01069, Germany
- Faculty of Medicine, University Neuropsychology Center, TU Dresden, Dresden 01069, Germany
| | - Madita Trelenberg
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine, TU Dresden, Dresden 01069, Germany
| | - Dezso Nemeth
- INSERM, Université Claude Bernard Lyon 1, CNRS, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, Bron 69500, France
- NAP Research Group, Institute of Psychology, Eötvös Loránd University & Institute of Cognitive Neuroscience and Psychology, HUN-REN Research Centre for Natural Sciences, Budapest 1071, Hungary
- Department of Education and Psychology, Faculty of Social Sciences, University of Atlántico Medio, Las Palmas de Gran Canaria 35017, Spain
| | - Alexander Münchau
- Institute of Systems Motor Science, University of Lübeck, Lübeck 23562, Germany
| | - Christian Beste
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine, TU Dresden, Dresden 01069, Germany
- Faculty of Medicine, University Neuropsychology Center, TU Dresden, Dresden 01069, Germany
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5
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Gong H, Du X, Su A, Du Y. Pharmacological treatment of Tourette's syndrome: from the past to the future. Neurol Sci 2024; 45:941-962. [PMID: 37962703 DOI: 10.1007/s10072-023-07172-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 10/30/2023] [Indexed: 11/15/2023]
Abstract
Tourette's syndrome (TS) is a neuropsychiatric disease featuring tics and vocal tics, with a prevalence of approximately 1%, including 75% of the total number of male patients. TS seriously disturbs the patients' career, education, and life and brings a serious and unbearable psychological burden to the patients themselves and their families. At present, there are no specific clinical medications recommended for treating TS. Therefore, it is necessary to select the appropriate medication for symptomatic treatment based on the doctor's personal experience and the patient's symptoms, with the main goal of relieving symptoms, thus improving the patient's social skills and psychological problems. Here we conducted a comprehensive search on PubMed to review and organize the history and current status of the development of drug therapy for TS through a timeline format. We also systematically evaluated the effects of each drug for TS treatment to summarize the current problems and new research directions and to provide some ideas for clinical treatment.
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Affiliation(s)
- Hao Gong
- School of Basic Medical Sciences, Henan University, Kaifeng, People's Republic of China
- Department of General Surgery, West China Hospital Sichuan University, Chengdu, 610041, People's Republic of China
| | - Xiangyu Du
- School of Basic Medical Sciences, Henan University, Kaifeng, People's Republic of China
- Department of General Surgery, West China Hospital Sichuan University, Chengdu, 610041, People's Republic of China
| | - Anping Su
- Department of General Surgery, West China Hospital Sichuan University, Chengdu, 610041, People's Republic of China
| | - Yaowu Du
- School of Basic Medical Sciences, Henan University, Kaifeng, People's Republic of China.
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6
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Jiang Y, Li Y, Chen X, Zhai R, Peng Y, Tai R, Zhou C, Wang J. Biomarkers and Tourette syndrome: a systematic review and meta-analysis. Front Neurol 2024; 15:1262057. [PMID: 38385037 PMCID: PMC10879287 DOI: 10.3389/fneur.2024.1262057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 01/17/2024] [Indexed: 02/23/2024] Open
Abstract
Objective This research aims to investigate whether peripheral biomarkers might differentiate individuals with Tourette syndrome (TS) from those without the condition. Methods A broad range of databases was searched through November 2022. This study employed a systematic literature review and subsequent meta-analysis of case-control studies that assessed the aberration of biomarkers of patients with TS and controls. Results A total of 81 studies were identified, out of which 60 met the eligibility criteria for inclusion in the meta-analysis. Following a meticulous screening procedure to determine the feasibility of incorporating case-control studies into the meta-analysis, 13 comparisons were statistically significant [CD3+ T cell, CD4+ T cell, CD4+ T cell to CD8+ T cell ratio, NK-cell, anti-streptolysin O antibodies, anti-DNase antibodies, glutamic acid (Glu), aspartic acid (Asp), ferritin (Fe), zinc (Zn), lead (Pb), vitamin D, and brain-derived neurotrophic factor (BDNF)]. Publication bias was found for anti-streptolysin O antibodies. Suggestive associations were evidenced for norsalsolinol (NSAL), neuron-specific enolase (NSE), and S100B. Conclusion In this study, we present empirical evidence substantiating the link between several peripheral biomarkers and the early diagnosis of TS. Larger and more standardized studies are necessary to replicate the observed results, elucidate the specificity of the biomarkers for TS, and evaluate their precision for use in clinical settings.
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Affiliation(s)
| | | | | | | | | | | | | | - Junhong Wang
- Department of Pediatrics, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
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7
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Peltokorpi S, Laiho A, Carlson V, Raaska H. Effectiveness of speech therapy in treating vocal blocking tics in children with Tourette syndrome: Two case reports. Clin Child Psychol Psychiatry 2024; 29:301-311. [PMID: 37225162 PMCID: PMC10748440 DOI: 10.1177/13591045231177433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Tourette syndrome is characterized by at least two motor tics and one vocal tic, which persist for over a year. Infrequently, tics can manifest as blocking tics in speech when they prevent a person from starting to speak or interrupt their speech flow. Vocal blocking tics (VBTs) resemble stuttering, and they can be difficult to differentiate from each other. A previous report described two patients with severe VBTs who did not benefit from stuttering-therapy-based speech therapy and were treated effectively with cannabis-based medicine. Here, we present the cases of two patients, seven- and nine-year-old boys, who benefited from speech therapy in which stuttering therapy techniques were used. Detailed descriptions of the interventions are included. Further research is needed to test the effectiveness of speech therapy in treating VBTs in a larger group of children with Tourette syndrome.
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Affiliation(s)
- Sini Peltokorpi
- Department of Psychology and Speech-Language Pathology, University of Turku, Turku, Finland
- Pediatric Neuropsychiatric Unit, HUS Helsinki University Hospital, Helsinki, Finland
| | - Auli Laiho
- Voimavarakeskus Tempo Oy, Stuttering Resource Center Tempo, Espoo, Finland
| | - Vappu Carlson
- Pediatric Neuropsychiatric Unit, HUS Helsinki University Hospital, Helsinki, Finland
| | - Hanna Raaska
- Pediatric Neuropsychiatric Unit, HUS Helsinki University Hospital, Helsinki, Finland
- The Social Insurance Institution of Finland, Helsinki, Finland
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8
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Lin X, Lin F, Chen H, Weng Y, Wen J, Ye Q, Chen C, Cai G. Comparison of efficacy of deep brain stimulation, repeat transcranial magnetic stimulation, and behavioral therapy in Tourette syndrome: A systematic review and Bayesian Network Meta-Analysis. Heliyon 2022; 8:e10952. [PMID: 36281376 PMCID: PMC9587297 DOI: 10.1016/j.heliyon.2022.e10952] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 05/19/2022] [Accepted: 09/29/2022] [Indexed: 11/06/2022] Open
Abstract
Background Tourette syndrome (TS) is an incurable neuropsychiatric disorder. Deep brain stimulation (DBS), repeat transcranial magnetic stimulation (rTMS), and behavioral therapy (BT) are all effective treatments. However, the comparison of therapeutic effect of these three therapies is lacking. Methods A systematic literature search was conducted for randomized controlled studies (RCT). A network meta-analysis by R4.04 software according to Bayesian framework were performed. Results were meta-analyzed and network meta-analyzed to evaluate and compare the efficacy of DBS, rTMS and BT in TS patients. Results A total of 18 randomized controlled studies with 661 participants were included. The Yale Global Tic Severity Scale (YGTSS) and the Yale-Brown Obsessive-Compulsive Scale (Y-BOCS) were utilized to evaluate the symptoms of TS. All three treatments improved the tic symptoms of TS [DBS 12.11 (95%CI 7.58-16.65); rTMS 4.96 (95%CI 1.01-10.93); andBT 11.72 (95%CI 10.42-13.01)]; and obsessive-compulsive symptom [DBS 4.9 (95%CI 1.13-8.67); rTMS 5.28 (95%CI 0.21-10.77); and BT 1.61 (95%CI 0.74-2.48)]. The cumulative probability results showed that DBS had the best effect on the improvement of tic symptoms, followed by BT; and rTMS was ranked last. However, in terms of improvement of obsessional symptoms, rTMS was ranked first, DBS was ranked second, and BT was ranked last. In addition, the meta regression analysis of YGTSS in DBS, rTMS and BT has significant difference (P = 0.05). Limitation Due to the lack of quantitative indicators, we did not perform a network meta-analysis of the side effects of the three treatments. Conclusion Our study showed that DBS, rTMS, and BT are effective in TS. DBS causes the best improvement in tic symptoms, and rTMS is the most effective in improving the obsessive-compulsive symptoms.
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Affiliation(s)
- Xiaofeng Lin
- Department of Neurology, Union Hospital, Institute of Neuroscience, Institute of Clinical Neurology, Fujian Medical University, Fuzhou 350001, China,Endocrinology, Fujian Provincial Hospital, Fuzhou 350001, China
| | - Fabin Lin
- Department of Neurology, Union Hospital, Institute of Neuroscience, Institute of Clinical Neurology, Fujian Medical University, Fuzhou 350001, China,Department of Clinical Medicine, Fujian Medical University, Fuzhou 350001, China,Department of Neurosurgery, Fujian Medical University Union Hospital, Fuzhou 350001, China
| | - Huiyun Chen
- Fujian Province Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fujian 35008, China
| | - Yanhong Weng
- Department of Neurology, Union Hospital, Institute of Neuroscience, Institute of Clinical Neurology, Fujian Medical University, Fuzhou 350001, China
| | - Junping Wen
- Endocrinology, Fujian Provincial Hospital, Fuzhou 350001, China,Corresponding author.
| | - Qinyong Ye
- Department of Neurology, Union Hospital, Institute of Neuroscience, Institute of Clinical Neurology, Fujian Medical University, Fuzhou 350001, China
| | - Chunmei Chen
- Department of Neurosurgery, Fujian Medical University Union Hospital, Fuzhou 350001, China,Corresponding author.
| | - Guoen Cai
- Department of Neurology, Union Hospital, Institute of Neuroscience, Institute of Clinical Neurology, Fujian Medical University, Fuzhou 350001, China,Department of Clinical Medicine, Fujian Medical University, Fuzhou 350001, China,Corresponding author.
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9
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Roessner V, Eichele H, Stern JS, Skov L, Rizzo R, Debes NM, Nagy P, Cavanna AE, Termine C, Ganos C, Münchau A, Szejko N, Cath D, Müller-Vahl KR, Verdellen C, Hartmann A, Rothenberger A, Hoekstra PJ, Plessen KJ. European clinical guidelines for Tourette syndrome and other tic disorders-version 2.0. Part III: pharmacological treatment. Eur Child Adolesc Psychiatry 2022; 31:425-441. [PMID: 34757514 PMCID: PMC8940878 DOI: 10.1007/s00787-021-01899-z] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Accepted: 10/24/2021] [Indexed: 12/18/2022]
Abstract
In 2011, the European Society for the Study of Tourette Syndrome (ESSTS) published the first European guidelines for Tourette Syndrome (TS). We now present an update of the part on pharmacological treatment, based on a review of new literature with special attention to other evidence-based guidelines, meta-analyses, and randomized double-blinded studies. Moreover, our revision took into consideration results of a recent survey on treatment preferences conducted among ESSTS experts. The first preference should be given to psychoeducation and to behavioral approaches, as it strengthens the patients' self-regulatory control and thus his/her autonomy. Because behavioral approaches are not effective, available, or feasible in all patients, in a substantial number of patients pharmacological treatment is indicated, alone or in combination with behavioral therapy. The largest amount of evidence supports the use of dopamine blocking agents, preferably aripiprazole because of a more favorable profile of adverse events than first- and second-generation antipsychotics. Other agents that can be considered include tiapride, risperidone, and especially in case of co-existing attention deficit hyperactivity disorder (ADHD), clonidine and guanfacine. This view is supported by the results of our survey on medication preference among members of ESSTS, in which aripiprazole was indicated as the drug of first choice both in children and adults. In treatment resistant cases, treatment with agents with either a limited evidence base or risk of extrapyramidal adverse effects might be considered, including pimozide, haloperidol, topiramate, cannabis-based agents, and botulinum toxin injections. Overall, treatment of TS should be individualized, and decisions based on the patient's needs and preferences, presence of co-existing conditions, latest scientific findings as well as on the physician's preferences, experience, and local regulatory requirements.
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Affiliation(s)
- Veit Roessner
- Department of Child and Adolescent Psychiatry, TU Dresden, Fetscherstrasse 74, 01307, Dresden, Germany.
| | - Heike Eichele
- Department of Biological and Medical Psychology, Faculty of Psychology, University of Bergen, Bergen, Norway , Regional Resource Center for Autism, ADHD, Tourette Syndrome and Narcolepsy Western Norway, Division of Psychiatry, Haukeland University Hospital, Bergen, Norway
| | - Jeremy S. Stern
- Department of Neurology, St George’s Hospital, St George’s University of London, London, UK
| | - Liselotte Skov
- Paediatric Department, Herlev University Hospital, Herlev, Denmark
| | - Renata Rizzo
- Child and Adolescent Neurology and Psychiatry, Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | | | - Péter Nagy
- Vadaskert Child Psychiatric Hospital and Outpatient Clinic, Budapest, Hungary
| | - Andrea E. Cavanna
- Institute of Clinical Sciences, University of Birmingham, Birmingham, UK
| | - Cristiano Termine
- Child Neuropsychiatry Unit, Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Christos Ganos
- Department of Neurology, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Alexander Münchau
- Institute of Systems Motor Science, University of Lübeck, Lübeck, Germany
| | - Natalia Szejko
- Department of Neurology, Medical University of Warsaw, Warsaw, Poland ,Department of Bioethics, Medical University of Warsaw, Warsaw, Poland ,Division of Neurocritical Care and Emergency Neurology, Department of Neurology, Yale School of Medicine, New Haven, CT USA
| | - Danielle Cath
- Department of Psychiatry, University Medical Center Groningen, Rijks Universiteit Groningen, GGZ Drenthe Mental Health Institution, Assen, The Netherlands
| | - Kirsten R. Müller-Vahl
- Clinic of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School, Hannover, Germany
| | - Cara Verdellen
- PsyQ Nijmegen, Parnassia Group, Nijmegen, The Netherlands ,TicXperts, Heteren, The Netherlands
| | - Andreas Hartmann
- Department of Neurology, Sorbonne Université, Pitié-Salpetriere Hospital, Paris, France ,National Reference Center for Tourette Disorder, Pitié Salpetiere Hospital, Paris, France
| | - Aribert Rothenberger
- Clinic for Child and Adolescent Psychiatry and Psychotherapy, University Medical Center Gottingen, Gottingen, Germany
| | - Pieter J. Hoekstra
- Department of Child and Adolescent Psychiatry, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Kerstin J. Plessen
- Division of Child and Adolescent Psychiatry, Department of Psychiatry, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland ,Child and Adolescent Mental Health Centre, Mental Health Services, Capital Region of Denmark, Copenhagen, Denmark
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10
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Ruhrman D, Mikulincer M, Apter A, Benaroya-Milshtein N, Steinberg T. Emotion regulation and tic disorders in children. Eur Child Adolesc Psychiatry 2021; 32:893-902. [PMID: 34854986 DOI: 10.1007/s00787-021-01912-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 11/09/2021] [Indexed: 02/04/2023]
Abstract
Tic disorders (TD) are developmental neuropsychiatric conditions often accompanied by comorbid conditions, and psychosocial hardships for child and family. The etiology of tics is unknown, and is complex and multifactorial. Stress is known to aggravate tic expression as well as associated comorbidities. Consequently, this study focused on possible connections between stress, emotion regulation, tic expression, and related psychopathology. Sixty consecutive admissions were assessed for perceived stress, emotional dysregulation, severity of obsessions and compulsions, anxiety, depression, attention deficit disorder, and tic expression at a TD clinic, in a university affiliated pediatric hospital. The results indicated that stress and emotion dysregulation were significantly related to both tic expression and severity of comorbidities. We discuss the role of emotion regulation dimensions regarding TD and related psychopathology as well as the mediating role of emotion regulation, and how they may contribute to the development of improved therapies for children with TD.
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Affiliation(s)
- D Ruhrman
- Schneider Children's Medical Center of Israel, Petah Tikva, Israel. .,Baruch Ivcher School of Psychology, Reichman University, Herzliya, Israel. .,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - M Mikulincer
- Baruch Ivcher School of Psychology, Reichman University, Herzliya, Israel
| | - A Apter
- Schneider Children's Medical Center of Israel, Petah Tikva, Israel.,Baruch Ivcher School of Psychology, Reichman University, Herzliya, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - N Benaroya-Milshtein
- Schneider Children's Medical Center of Israel, Petah Tikva, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - T Steinberg
- Schneider Children's Medical Center of Israel, Petah Tikva, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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11
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Liu X, Wang X, Zhang X, Cao AH. Allergic diseases influence symptom severity and T lymphocyte subgroups of children with tic disorders. J Investig Med 2021; 69:1453-1457. [PMID: 34257142 PMCID: PMC8639963 DOI: 10.1136/jim-2021-001788] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/22/2021] [Indexed: 01/02/2023]
Abstract
Tic disorders (TD) are childhood-onset neurological disorders. Immune system dysregulation has been postulated to play a role in TD, and its mechanisms likely involve dysfunctional neural-immune cross-talk, which ultimately leads to altered maturation of the brain pathways that control different TD clinical manifestations and behavioral and emotional damages. Clinical studies have demonstrated an association between TD and allergies and overactive immune responses at a systemic level. In this study, the Yale Global Tic Severity Scale was taken as a global measure of tic severity. Compared with the control group, the group of children with TD plus allergic diseases displayed significantly increased Yale total scores (p<0.05), which suggests that children with TD plus allergic diseases have heavier tic symptoms. Both motor and vocal tic scores are higher in the group of children with TD plus allergy compared with the control group. We counted immune cell subpopulations using FACS. T lymphocyte subset comparison of CD3, CD4, CD8, and CD4:CD8 expression ratios revealed that the level of CD3, CD4, and CD4:CD8 in children with TD plus allergic diseases was significantly lower than those of children with TD without allergic diseases. These differences were statistically significant (p<0.05) and suggest that children with TD plus allergic diseases have imbalanced T lymphocyte subsets. We concluded that allergy increased the severity of TD through an imbalance in cellular immunity. Studies need to be done to show whether treatment of allergic symptoms leads to a decrease in TD manifestations.
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Affiliation(s)
- Xiumei Liu
- Child Care Center, Fujian Provincial Maternity and Children's Hospital, Fuzhou, China
| | - Xueming Wang
- Child Care Center, Fujian Provincial Maternity and Children's Hospital, Fuzhou, China
| | - Xiaoling Zhang
- Department of Pediatrics, Weifang Medical School, Weifang, China
| | - Ai Hua Cao
- Department of Pediatrics, Shandong University Qilu Hospital, Jinan, Shandong, China
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12
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Takacs A, Münchau A, Nemeth D, Roessner V, Beste C. Lower-level associations in Gilles de la Tourette syndrome: Convergence between hyperbinding of stimulus and response features and procedural hyperfunctioning theories. Eur J Neurosci 2021; 54:5143-5160. [PMID: 34155701 DOI: 10.1111/ejn.15366] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/27/2021] [Accepted: 06/18/2021] [Indexed: 12/15/2022]
Abstract
Gilles de la Tourette syndrome (GTS) can be characterized by enhanced cognitive functions related to creating, modifying and maintaining connections between stimuli and responses (S-R links). Specifically, two areas, procedural sequence learning and, as a novel finding, also event file binding, show converging evidence of hyperfunctioning in GTS. In this review, we describe how these two enhanced functions can be considered as cognitive mechanisms behind habitual behaviour, such as tics in GTS. Moreover, the presence of both procedural sequence learning and event file binding hyperfunctioning in the same disorder can be treated as evidence for their functional connections, even beyond GTS. Importantly though, we argue that hyperfunctioning of event file binding and procedural learning are not interchangeable: they have different time scales, different sensitivities to potential impairment in action sequencing and distinguishable contributions to the cognitive profile of GTS. An integrated theoretical account of hyperbinding and hyperlearning in GTS allows to formulate predictions for the emergence, activation and long-term persistence of tics in GTS.
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Affiliation(s)
- Adam Takacs
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine, TU Dresden, Dresden, Germany
| | - Alexander Münchau
- Institute of Systems Motor Science, University of Lübeck, Lübeck, Germany
| | - Dezso Nemeth
- Brain, Memory and Language Research Group, Institute of Cognitive Neuroscience and Psychology, Research Centre for Natural Sciences, Budapest, Hungary.,Lyon Neuroscience Research Center (CRNL), Université de Lyon, Lyon, France
| | - Veit Roessner
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine, TU Dresden, Dresden, Germany
| | - Christian Beste
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine, TU Dresden, Dresden, Germany
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13
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Qian R, Ma Y, You L, Zhao Y, Li S, Shen J, Jiang L, Yang C, Jiang P, Yuan Z, Gao F, Mao S. The Blood Levels of Trace Elements Are Lower in Children With Tic Disorder: Results From a Retrospective Study. Front Neurol 2019; 10:1324. [PMID: 31920944 PMCID: PMC6928139 DOI: 10.3389/fneur.2019.01324] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Accepted: 11/29/2019] [Indexed: 11/29/2022] Open
Abstract
Background: Tic disorders (TD) are common neuropsychiatric disorders among children and adolescents. It is controversial that trace elements may participate in the pathogenesis of TD. Our study aimed to investigate the trace elements status of zinc (Zn), copper (Cu), iron (Fe), and magnesium (Mg) in children with TD, in comparison to healthy controls. Methods: The medical records of eligible TD children and normal healthy children from January 1 to December 31, 2018 in the outpatient clinic were retrospectively reviewed. The clinical information of all subjects were collected including age, gender, diagnosis, previous health records, and serum trace elements level (Cu, Zn, Fe, Mg) at the time of diagnosis before initiating treatment. Results: In total, 1204 TD children (7.63 ± 2.45 years) and 1,220 healthy children (7.27 ± 3.15 years) who were divided into two gender and three age groups (2–4years, 5–9years, ≥10 years) were reviewed in our study. Our study showed that TD children generally had lower whole blood levels of Zn, Cu, Fe than the normal controls (P < 0.01). No significant difference was observed in whole blood levels of Mg. After adjusting for gender, the trends still remained. Further analysis was performed according to age, the trends still remained in Zn and Fe in all age groups (P < 0.05). However, we observed an almost significantly (P = 0.055) lower level of Cu in TD of 2–4 years group while significant differences in other two groups (P < 0.01). Further multiple linear regression and point biserial correlation showed that the lower blood levels of Zn, Cu, and Fe were correlated with the incidence of TD. Conclusion: The present results indicated that lower blood levels of zinc, iron, copper were associated with TD. Trace elements may be used as an auxiliary treatment for TD and need to be further explored.
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Affiliation(s)
- Ruiying Qian
- Department of Neurology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Ying Ma
- Department of Neurology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Liuqing You
- Department of Epidemiology and Biostatistics, Zhejiang University School of Public Health, Hangzhou, China
| | - Yanmin Zhao
- Department of General Practice, Community Health Service Center, Hangzhou, China
| | - Shuxian Li
- Department of Pulmonology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Jue Shen
- Department of Neurology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Lihua Jiang
- Department of Neurology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Cuiwei Yang
- Department of Neurology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Peifang Jiang
- Department of Neurology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Zhefeng Yuan
- Department of Neurology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Feng Gao
- Department of Neurology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Shanshan Mao
- Department of Neurology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
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14
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Depienne C, Ciura S, Trouillard O, Bouteiller D, Leitão E, Nava C, Keren B, Marie Y, Guegan J, Forlani S, Brice A, Anheim M, Agid Y, Krack P, Damier P, Viallet F, Houeto JL, Durif F, Vidailhet M, Worbe Y, Roze E, Kabashi E, Hartmann A. Association of Rare Genetic Variants in Opioid Receptors with Tourette Syndrome. TREMOR AND OTHER HYPERKINETIC MOVEMENTS (NEW YORK, N.Y.) 2019; 9:tre-09-693. [PMID: 31824749 PMCID: PMC6878848 DOI: 10.7916/tohm.v0.693] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 10/15/2019] [Indexed: 01/07/2023]
Abstract
Background Genes involved in Tourette syndrome (TS) remain largely unknown. We aimed to identify genetic factors contributing to TS in a French cohort of 120 individuals using a combination of hypothesis-driven and exome-sequencing approaches. Methods We first sequenced exons of SLITRK1-6 and HDC in the TS cohort and subsequently sequenced the exome of 12 individuals harboring rare variants in these genes to find additional rare variants contributing to the disorder under the hypothesis of oligogenic inheritance. We further screened three candidate genes (OPRK1, PCDH10, and NTSR2) preferentially expressed in the basal ganglia, and three additional genes involved in neurotensin and opioid signaling (OPRM1, NTS, and NTSR1), and compared variant frequencies in TS patients and 788 matched control individuals. We also investigated the impact of altering the expression of Oprk1 in zebrafish. Results Thirteen ultrarare missense variants of SLITRK1-6 and HDC were identified in 12 patients. Exome sequencing in these patients revealed rare possibly deleterious variants in 3,041 genes, 54 of which were preferentially expressed in the basal ganglia. Comparison of variant frequencies altering selected candidate genes in TS and control individuals revealed an excess of potentially disrupting variants in OPRK1, encoding the opioid kappa receptor, in TS patients. Accordingly, we show that downregulation of the Oprk1 orthologue in zebrafish induces a hyperkinetic phenotype in early development. Discussion These results support a heterogeneous and complex genetic etiology of TS, possibly involving rare variants altering the opioid pathway in some individuals, which could represent a novel therapeutic target in this disorder.
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Affiliation(s)
- Christel Depienne
- INSERM, U 1127, CNRS UMR 7225, Faculté de Médecine de Sorbonne Université, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, Hôpital Pitié-Salpêtrière, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR.,Institute of Human Genetics, University Hospital Essen, University of Duisburg-Essen, 45122 Essen, DE
| | - Sorana Ciura
- INSERM, U 1127, CNRS UMR 7225, Faculté de Médecine de Sorbonne Université, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, Hôpital Pitié-Salpêtrière, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR
| | - Oriane Trouillard
- INSERM, U 1127, CNRS UMR 7225, Faculté de Médecine de Sorbonne Université, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, Hôpital Pitié-Salpêtrière, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR
| | - Delphine Bouteiller
- INSERM, U 1127, CNRS UMR 7225, Faculté de Médecine de Sorbonne Université, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, Hôpital Pitié-Salpêtrière, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR
| | - Elsa Leitão
- Institute of Human Genetics, University Hospital Essen, University of Duisburg-Essen, 45122 Essen, DE
| | - Caroline Nava
- INSERM, U 1127, CNRS UMR 7225, Faculté de Médecine de Sorbonne Université, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, Hôpital Pitié-Salpêtrière, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR.,Assistance Publique Hôpitaux de Paris (AP-HP), Hôpital Pitié-Salpêtrière, Département de Génétique, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR
| | - Boris Keren
- Assistance Publique Hôpitaux de Paris (AP-HP), Hôpital Pitié-Salpêtrière, Département de Génétique, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR
| | - Yannick Marie
- INSERM, U 1127, CNRS UMR 7225, Faculté de Médecine de Sorbonne Université, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, Hôpital Pitié-Salpêtrière, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR
| | - Justine Guegan
- INSERM, U 1127, CNRS UMR 7225, Faculté de Médecine de Sorbonne Université, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, Hôpital Pitié-Salpêtrière, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR
| | - Sylvie Forlani
- INSERM, U 1127, CNRS UMR 7225, Faculté de Médecine de Sorbonne Université, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, Hôpital Pitié-Salpêtrière, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR
| | - Alexis Brice
- INSERM, U 1127, CNRS UMR 7225, Faculté de Médecine de Sorbonne Université, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, Hôpital Pitié-Salpêtrière, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR
| | - Mathieu Anheim
- Service de neurologie, CHU de Strasbourg, Hôpital de Hautepierre, Avenue Molière, 67200 Strasbourg Strasbourg, FR
| | - Yves Agid
- INSERM, U 1127, CNRS UMR 7225, Faculté de Médecine de Sorbonne Université, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, Hôpital Pitié-Salpêtrière, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR
| | - Paul Krack
- Service de Neurologie, CHU de Grenoble, Avenue Maquis du Grésivaudan, 38700 La Tronche, FR.,Center for Movement Disorders, Inselspital, University of Bern, Freiburgstrasse 18, 3010 Bern, Switzerland
| | - Philippe Damier
- Service de Neurologie, CHU de Nantes, 5 Allée de l'Île Gloriette, 44093 Nantes, FR
| | - François Viallet
- Service de Neurologie, CRHU d'Aix-en-Provence, Avenue des Tamaris, 13100 Aix-en-Provence, FR
| | - Jean-Luc Houeto
- Service de Neurologie, CHU de Poitiers, 2 Rue de la Milétrie, 86021 Poitiers, FR
| | - Franck Durif
- Service de Neurologie, CHU de Clermont-Ferrand, CHU de Clermont-Ferrand, Hôpital Gabriel Montpied, 58 rue Montalembert, 63003 Clermont-Ferrand, FR
| | - Marie Vidailhet
- INSERM, U 1127, CNRS UMR 7225, Faculté de Médecine de Sorbonne Université, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, Hôpital Pitié-Salpêtrière, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR.,Assistance Publique Hôpitaux de Paris (APHP), Hôpital Pitié-Salpêtrière, Département de Neurologie, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR
| | - Yulia Worbe
- INSERM, U 1127, CNRS UMR 7225, Faculté de Médecine de Sorbonne Université, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, Hôpital Pitié-Salpêtrière, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR.,Assistance Publique Hôpitaux de Paris (APHP), Hôpital Pitié-Salpêtrière, Département de Neurologie, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR.,AP-HP, Centre de Référence National Maladie Rare 'Syndrome Gilles de la Tourette', Hôpital Pitié-Salpêtrière, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR
| | - Emmanuel Roze
- INSERM, U 1127, CNRS UMR 7225, Faculté de Médecine de Sorbonne Université, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, Hôpital Pitié-Salpêtrière, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR.,AP-HP, Centre de Référence National Maladie Rare 'Syndrome Gilles de la Tourette', Hôpital Pitié-Salpêtrière, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR
| | - Edor Kabashi
- INSERM, U 1127, CNRS UMR 7225, Faculté de Médecine de Sorbonne Université, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, Hôpital Pitié-Salpêtrière, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR
| | - Andreas Hartmann
- INSERM, U 1127, CNRS UMR 7225, Faculté de Médecine de Sorbonne Université, UMR S 1127, Institut du Cerveau et de la Moelle épinière, ICM, Hôpital Pitié-Salpêtrière, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR.,Assistance Publique Hôpitaux de Paris (APHP), Hôpital Pitié-Salpêtrière, Département de Neurologie, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR.,AP-HP, Centre de Référence National Maladie Rare 'Syndrome Gilles de la Tourette', Hôpital Pitié-Salpêtrière, 47-83 Boulevard de l'Hôpital, 75013 Paris, FR
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15
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Vissani M, Cordella R, Micera S, Eleopra R, Romito LM, Mazzoni A. Spatio-temporal structure of single neuron subthalamic activity identifies DBS target for anesthetized Tourette syndrome patients. J Neural Eng 2019; 16:066011. [PMID: 31370042 DOI: 10.1088/1741-2552/ab37b4] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Deep brain stimulation (DBS) of basal ganglia effectively tackles motor symptoms of movement disorders such as Tourette syndrome (TS). The precise location of target stimulation site determines the range of clinical outcome in DBS patients, and the occurrence of side-effects of DBS. DBS implant procedures currently localize stimulation target relying on a combination of pre-surgical imaging, standardized brain atlases and on-the-spot clinical tests. Here we show that temporal structure of single unit activity in subthalamic nucleus (STN) of patients affected by pure TS can contribute to identify the optimal target location of DBS. APPROACH Neural activity was recorded at different depths within STN with microelectrodes during DBS implant surgery. Depth specific neural features were extracted and correlated with the optimal depth for tic control. MAIN RESULTS We describe for the first time temporal spike patterns of single neurons from sensorimotor STN of anesthetized TS patients. A large fraction of units (31.2%) displayed intense bursting in the delta band (<4 Hz). The highest firing irregularity and hence the higher density of bursting units (42%) were found at the optimal spot for tic control. Discharge patterns irregularity and dominant oscillations frequency (but not firing rate) carried significant information on optimal target. SIGNIFICANCE We found single unit activity features in the STN of TS patients reliably associated to optimal DBS target site for tic control. In future works measures of firing irregularity could be integrated with current target localization methods leading to a more effective and safer DBS for TS patients.
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Affiliation(s)
- Matteo Vissani
- The Biorobotics Institute, Scuola Superiore Sant'Anna, 56025 Pisa, Italy
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16
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Abstract
This is the fifth yearly article in the Tourette Syndrome Research Highlights series, summarizing research from 2018 relevant to Tourette syndrome and other tic disorders. The authors briefly summarize reports they consider most important or interesting. The highlights from 2019 article is being drafted on the Authorea online authoring platform, and readers are encouraged to add references or give feedback on our selections using the comments feature on that page. After the calendar year ends, the article is submitted as the annual update for the Tics collection on F1000Research.
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Affiliation(s)
- Olivia Rose
- Department of Neuroscience, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Andreas Hartmann
- Sorbonne University, National Reference Centre for Tourette Disorder, Pitié-Salpêtrière Hospital, Paris, France
| | - Yulia Worbe
- Sorbonne University, National Reference Centre for Tourette Disorder, Pitié-Salpêtrière Hospital, Paris, France
| | - Jeremiah M. Scharf
- Psychiatric and Neurodevelopmental Genetics Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Kevin J. Black
- Department of Neuroscience, Washington University School of Medicine, St. Louis, MO, 63110, USA
- Psychiatry, Neurology, and Radiology, Washington University School of Medicine, St. Louis, MO, 63110, USA
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