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Giustiniani A, Vallesi A, Oliveri M, Tarantino V, Ambrosini E, Bortoletto M, Masina F, Busan P, Siebner H, Fadiga L, Koch G, Leocani L, Lefaucheur J, Rotenberg A, Zangen A, Violante I, Moliadze V, Gamboa O, Ugawa Y, Pascual-Leone A, Ziemann U, Miniussi C, Burgio F. A questionnaire to collect unintended effects of Transcranial Magnetic Stimulation: A consensus based approach. Clin Neurophysiol 2022; 141:101-108. [DOI: 10.1016/j.clinph.2022.06.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 05/18/2022] [Accepted: 06/10/2022] [Indexed: 11/03/2022]
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Rossini P, Di Iorio R, Bentivoglio M, Bertini G, Ferreri F, Gerloff C, Ilmoniemi R, Miraglia F, Nitsche M, Pestilli F, Rosanova M, Shirota Y, Tesoriero C, Ugawa Y, Vecchio F, Ziemann U, Hallett M. Methods for analysis of brain connectivity: An IFCN-sponsored review. Clin Neurophysiol 2019; 130:1833-1858. [DOI: 10.1016/j.clinph.2019.06.006] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 05/08/2019] [Accepted: 06/18/2019] [Indexed: 01/05/2023]
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Ugawa Y. Basic mechanisms underlying the plasticity and its induction methods. J Neurol Sci 2019. [DOI: 10.1016/j.jns.2019.10.104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Murakami T, Abe M, Tiksnadi A, Kobayashi N, Hashimoto Y, Ugawa Y. TMS can detect abnormal synaptic plasticity associated with amyloid-beta and tau pathology in early staged dementia. Brain Stimul 2019. [DOI: 10.1016/j.brs.2018.12.281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Tiksnadi A, Murakami T, Wiratman W, Ugawa Y. Higher Efficacy and Less Inter-individual Variability in QPS than TBS: Head to Head Comparison Study. Brain Stimul 2019. [DOI: 10.1016/j.brs.2018.12.408] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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6
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Ugawa Y, Sasaki T, Hamada M, Shirota Y. Differential effects on corticospinal excitability and adaptation task by paired associative stimulation (PAS) with distinct pulse width. Brain Stimul 2019. [DOI: 10.1016/j.brs.2018.12.957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Schmitt F, Aurlien H, Brøgger J, Hirsch L, Schomer D, Trinka E, Pressler R, Wennberg R, Visser G, Eisermann M, Diehl B, Lesser R, Kaplan P, The Tich S, Lee J, Martins-da-Silva A, Stefan H, Neufeld M, Rubboli G, Fabricius M, Gardella E, Terney D, Meritam P, Eichele T, Asano E, Cox F, van Emde Boas W, Mameniskiene R, Marusic P, Zárubová J, Rosén I, Fuglsang-Frederiksen A, Ikeda A, MacDonald D, Terada K, Ugawa Y, Zhou D, Herman S, Beniczky S. Standardisierter Computer-basiert-organisierter Report des EEG (SCORE) – Eine strukturierende Form der EEG-Befundung. KLIN NEUROPHYSIOL 2018. [DOI: 10.1055/s-0043-125304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
ZusammenfassungEine 2013 von der „International Federation of Clinical Neurophysiology“ gegründete Taskforce hat eine international konsensfähige EEG-Terminologie entwickelt. Im Folgenden soll das Resultat – die 2. Version des Standardized Computer-based Organized Reporting of EEG (SCORE) - vorgestellt werden. Die Terminologie wurde im Rahmen eines Softwarepaketes (SCORE-EEG) in der klinischen Praxis an über 12.000 EEGs getestet. Die Auswahl der Begriffe ist kontextabhängig: die initiale Auswahl bestimmt, welche weiteren Auswahlmöglichkeiten zur Verfügung stehen. Im Verlauf wird automatisch ein Befund erstellt und dessen Einzelmerkmale in eine Datenbank eingespeist. SCORE verfügt über Module spezifisch für die Befundung epileptischer Anfälle, sowie charakteristischer neonataler und intensivmedizinische EEG-Merkmale. SCORE ist nicht nur ein nützliches Werkzeug im ambulanten, klinischen und wissenschaftlichen Setting, es erleichtert auch Qualitätssicherung, Datenaustausch und die EEG-Aus und Weiterbildung.
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Affiliation(s)
- F Schmitt
- Universitätsklinik für Neurologie, Otto-von-Guericke Universität, Magdeburg, Deutschland
| | - H Aurlien
- Department of Neurology, Haukeland University Hospital and Department of Clinical Medicine, University of Bergen, Bergen, Norwegen
| | - J Brøgger
- Department of Neurology, Haukeland University Hospital and Department of Clinical Medicine, University of Bergen, Bergen, Norwegen
| | - L Hirsch
- Comprehensive Epilepsy Center, Yale University School of Medicine, New Haven, CT, USA
| | - D Schomer
- Department of Neurology, Laboratory of Clinical Neurophysiology, Beth Israel Deaconess Medical Center, Harvard University, Boston, MA, USA
| | - E Trinka
- Universitätskliniklinik für Neurologie, Christian Doppler Klinik, Paracelsus Medizinische Universität und Zentrum für Kognitive Neurowissenschaften Salzburg, Österreich und Institut für Public Health, Versorgungsforschung & HTA, UMIT, Hall in Tirol, Österreich
| | - R Pressler
- Department of Clinical Neurophysiology, Great Ormond Street Hospital und Clinical Neuroscience, UCL Great Ormond Street Institute of Child Health, London, Großbritannien
| | - R Wennberg
- Krembil Neuroscience Centre, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Kanada
| | - G Visser
- Department of Clinical Neurophysiology, Stichting Epilepsie Instellingen Nederland (SEIN), Niederlande
| | - M Eisermann
- Department of Clinical Neurophysiology, Necker Enfants Malades Hospital, Paris, Frankreich und INSERM U1129, Paris, France, Paris Descartes University, CEA, Gif sur Yvette, Paris, Frankreich
| | - B Diehl
- University College London, Department of Clinical and Experimental Epilepsy, Queen Square, London, Großbritannien
| | - R Lesser
- Johns Hopkins Medical Institutions, Baltimore, MD, USA
| | - P Kaplan
- Johns Hopkins University School of Medicine, Baltimore, Maryland, MD, USA
| | - S The Tich
- Department of Pediatric Neurology, University Hospital of Lille, Lille, Frankreich
| | - J Lee
- Department of Neurology, Brigham and Women’s Hospital, Boston, MA, USA
| | - A Martins-da-Silva
- Department of Neurophysiology, Hospital Santo António and UMIB/ICBAS – University of Porto, Porto, Portugal
| | - H Stefan
- Abteilung für Neurologie und Biomagnetismus, Universitätsklinikum Erlangen, Deutschland
| | - M Neufeld
- Sackler School of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - G Rubboli
- Department of Neurology, Danish Epilepsy Center, Dianalund and University of Copenhagen, Kopenhagen, Dänemark
| | - M Fabricius
- Department of Clinical Neurophysiology, Rigshospitalet, Kopenhagen, Dänemark
| | - E Gardella
- University of Southern Denmark, Odense, Dänemark
- Department of Clinical Neurophysiology, Danish Epilepsy Centre, Dianalund, Dänemark
| | - D Terney
- Department of Clinical Neurophysiology, Danish Epilepsy Centre, Dianalund, Dänemark
| | - P Meritam
- Department of Clinical Neurophysiology, Danish Epilepsy Centre, Dianalund, Dänemark
| | - T Eichele
- Department of Neurology, Haukeland University Hospital and Department of Biological and Medical Psychology, University of Bergen, Norwegen
| | - E Asano
- Departments of Pediatrics and Neurology, Children’s Hospital of Michigan, Wayne State University, Detroit, Michigan, US
| | - F Cox
- Department of Clinical Neurophysiology, Stichting Epilepsie Instellingen Nederland (SEIN), Niederlande
| | - W van Emde Boas
- Department of Clinical Neurophysiology, Stichting Epilepsie Instellingen Nederland (SEIN), Niederlande
| | - R Mameniskiene
- Department of Neurology and Neurosurgery, Center for Neurology, Vilnius University, Vilnius, Litauen
| | - P Marusic
- Department of Neurology, Charles University, 2nd Faculty of Medicine, Motol University Hospital, Tschechische Republik
| | - J Zárubová
- Department of Neurology, Charles University, 2nd Faculty of Medicine, Motol University Hospital, Tschechische Republik
| | - I Rosén
- Department of Clinical Sciences, University of Lund, Lund, Schweden
| | | | - A Ikeda
- Department of Epilepsy, Movement Disorders and Physiology Kyoto University Graduate School of Medicine Shogoin, Sakyo-ku Kyoto, Japan
| | - D MacDonald
- Department of Neurosciences, King Faisal Specialist Hospital & Research Center, Riyadh, Saudi Arabien
| | - K Terada
- Department of Neurology, Shizuoka Institute of Epilepsy and Neurological Disorders, Shizuoka, Japan
| | - Y Ugawa
- Department of Neurology, School of Medicine, Fukushima Medical University, Fukushima, Japan
| | - D Zhou
- Department of Neurology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - S Herman
- Department of Neurology, Laboratory of Clinical Neurophysiology, Beth Israel Deaconess Medical Center, Harvard University, Boston, MA, USA
| | - S Beniczky
- Department of Clinical Neurophysiology, Danish Epilepsy Centre, Dianalund, Dänemark
- Department of Clinical Neurophysiology, Aarhus University, Aarhus, Dänemark
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Hoshi A, Tsunoda A, Yamamoto T, Tada M, Kakita A, Ugawa Y. Altered expression of glutamate transporter-1 and water channel protein aquaporin-4 in human temporal cortex with Alzheimer's disease. Neuropathol Appl Neurobiol 2018; 44:628-638. [PMID: 29405337 DOI: 10.1111/nan.12475] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Accepted: 01/11/2018] [Indexed: 12/13/2022]
Abstract
AIMS Glutamate neurotoxicity plays an important role in the pathogenesis of various neurodegenerative disorders. Many studies have demonstrated that glutamate transporter-1 (GLT-1), the dominant astrocytic glutamate transporter, is significantly reduced in the cerebral cortex of patients with Alzheimer's disease (AD), suggesting that glutamate-mediated excitotoxicity might contribute to the pathogenesis of AD. In a previous study, we have demonstrated marked alterations in the expression of the astrocytic water channel protein aquaporin-4 (AQP4) in relation to amyloid β deposition in human AD brains. As a functional complex, GLT-1 and AQP4 in astrocytes may play a neuroprotective role in the progression of AD pathology. However, few studies have examined the correlation between the expression of GLT-1 and that of AQP4 in human AD brain. METHODS Here, using immunohistochemistry with antibodies against GLT-1 and AQP4, we studied the expression levels and distribution patterns of GLT-1 in areas showing various patterns of AQP4 expression in autopsied temporal lobes from eight patients with AD and five controls without neurological disorders. RESULTS GLT-1 staining in the control group was present throughout the neocortex as uniform neuropil staining with co-localized AQP4. The AD group showed a significant reduction in GLT-1 expression, whereas cortical AQP4 immunoreactivity was more intense in the AD group than in the control group. There were two different patterns of GLT-1 and AQP4 expression in the AD group: (i) uneven GLT-1 expression in the neuropil where diffuse but intense AQP4 expression was evident, and (ii) senile plaque-like co-expression of GLT-1 and AQP4. CONCLUSIONS These findings suggest disruption of glutamate/water homoeostasis in the AD brain.
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Affiliation(s)
- A Hoshi
- Department of Neurology, Fukushima Medical University, Fukushima, Japan.,IMS Shin Katsushika Royal Clinic, Tokyo, Japan
| | - A Tsunoda
- Department of Neurology, Fukushima Medical University, Fukushima, Japan
| | - T Yamamoto
- Department of Neurology, Fukushima Medical University, Fukushima, Japan
| | - M Tada
- Department of Pathology, Brain Research Institute, University of Niigata, Niigata, Japan
| | - A Kakita
- Department of Pathology, Brain Research Institute, University of Niigata, Niigata, Japan
| | - Y Ugawa
- Department of Neurology, Fukushima Medical University, Fukushima, Japan.,Fukushima Global Medical Science Center, Advanced Clinical Research Center, Fukushima Medical University, Fukushima, Japan
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Yamamoto T, Ugawa Y, Kawamura M, Yamashiro K, Kochi S, Ideguchi H, Takashiba S. Modulation of microenvironment for controlling the fate of periodontal ligament cells: the role of Rho/ROCK signaling and cytoskeletal dynamics. J Cell Commun Signal 2018; 12:369-378. [PMID: 29086204 PMCID: PMC5842188 DOI: 10.1007/s12079-017-0425-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2017] [Accepted: 10/17/2017] [Indexed: 12/20/2022] Open
Abstract
Cells behave in a variety of ways when they perceive changes in their microenvironment; the behavior of cells is guided by their coordinated interactions with growth factors, niche cells, and extracellular matrix (ECM). Modulation of the microenvironment affects the cell morphology and multiple gene expressions. Rho/Rho-associated coiled-coil-containing protein kinase (ROCK) signaling is one of the key regulators of cytoskeletal dynamics and actively and/or passively determines the cell fate, such as proliferation, migration, differentiation, and apoptosis, by reciprocal communication with the microenvironment. During periodontal wound healing, it is important to recruit the residential stem cells into the defect site for regeneration and homeostasis of the periodontal tissue. Periodontal ligament (PDL) cells contain a heterogeneous fibroblast population, including mesenchymal stem cells, and contribute to the reconstruction of tooth-supporting tissues. Therefore, bio-regeneration of PDL cells has been the ultimate goal of periodontal therapy for decades. Recent stem cell researches have shed light on intrinsic ECM properties, providing paradigm shifts in cell fate determination. This review focuses on the role of ROCK activity and the effects of Y-27632, a specific inhibitor of ROCK, in the modulation of ECM-microenvironment. Further, it presents the current understanding of how Rho/ROCK signaling affects the fate determination of stem cells, especially PDL cells. In addition, we have also discussed in detail the underlying mechanisms behind the reciprocal response to the microenvironment.
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Affiliation(s)
- Tadashi Yamamoto
- Department of Pathophysiology - Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8525, Japan
| | - Yuki Ugawa
- Department of Pathophysiology - Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8525, Japan
| | - Mari Kawamura
- Department of Pathophysiology - Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8525, Japan
| | - Keisuke Yamashiro
- Department of Pathophysiology - Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8525, Japan
| | - Shinsuke Kochi
- Department of Pathophysiology - Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8525, Japan
| | - Hidetaka Ideguchi
- Department of Pathophysiology - Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8525, Japan
| | - Shogo Takashiba
- Department of Pathophysiology - Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8525, Japan.
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Sugie K, Komaki H, Onoue K, Eura N, Shiota T, Tsukaguchi H, Namatame S, Koito H, Kiriyama T, Saito Y, Ugawa Y, Ueno S, Nonaka I, Nishino I. Clinicopathological features and management of Danon disease in Japan: a nationwide survey. Neuromuscul Disord 2017. [DOI: 10.1016/j.nmd.2017.06.403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Tokushige S, Matsuda S, Oyama G, Shimo Y, Umemura A, Sekimoto S, Sasaki T, Inomata-Terada S, Yugeta A, Hamada M, Ugawa Y, Hattori N, Tsuji S, Terao Y. How deep brain stimulation affects saccades in visual scanning in Parkinson's disease patients. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2936] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Lizuka T, Kanazawa N, Kaneko J, Tominaga N, Hara A, Onozawa Y, Asari H, Hata T, Kaneko J, Yoshida K, Sugiura Y, Ugawa Y, Watanabe M, Tomita H, Kosakai A, Kaneko A, Ishima D, Kitamura E, Nishiyama K. Clinical and immunological investigations in cryptogenic new-onset refractory status epilepticus (Norse). J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Hanajima R, Tsutsumi R, Shirota Y, Shimizu T, Tanaka N, Ugawa Y. Cerebellar functions relating prism adaptation and cerebellar inhibition are impaired in essential tremor. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Yoshino H, Nishioka K, Li Y, Ikeda A, Shibagaki Y, Hosaka A, Iwanaga H, Fujitake J, Ohi T, Miyazaki D, Sekijima Y, Oki M, Kusaka H, Ugawa Y, Funayama M, Hattori N. Clinical hetrogeneity of gch1 mutations in parkinsonism with or without dystonia. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Sugie K, Komaki H, Onoue K, Eura N, Shiota T, Tsukaguchi H, Namatame S, Koito H, Kiriyama T, Saito Y, Ugawa Y, Ueno S, Nonaka I, Nishino I. Clinical features and management of danon disease in Japan: A nationwide survey. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Shimizu T, Bokuda K, Kimura H, Nakayama Y, Kawata A, Isozaki E, Ugawa Y. Sensory cortical excitability and survival prognosis in patients with amyotrophic lateral sclerosis. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Wiratman W, Kobayashi S, Matsuda N, Asano K, Chang F, Ugawa Y. Interactions of cognitive and motor skills in Parkinson's disease: A virtual exoskeleton game study. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Nakatani-Enomoto S, Murakami T, Enomoto H, Ugawa Y. The motor threshold during and after QPS sessions for three months. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Takahashi Y, Ishikawa K, Ugawa Y, Onodera O, Kira J, Kuwabara S, Sasaki H, Sobue G, Takashima H, Takiyama Y, Takeda A, Tsuji S, Nakashima K, Miyai I, Yoshida K, Mizusawa H. Japan Consortium of Ataxias (J-Cat): A Cloud -Based national registry for degenerative ataxias providing framework for genetic diagnosis and Prospective Natural History Researches. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Antal A, Alekseichuk I, Bikson M, Brockmöller J, Brunoni AR, Chen R, Cohen LG, Dowthwaite G, Ellrich J, Flöel A, Fregni F, George MS, Hamilton R, Haueisen J, Herrmann CS, Hummel FC, Lefaucheur JP, Liebetanz D, Loo CK, McCaig CD, Miniussi C, Miranda PC, Moliadze V, Nitsche MA, Nowak R, Padberg F, Pascual-Leone A, Poppendieck W, Priori A, Rossi S, Rossini PM, Rothwell J, Rueger MA, Ruffini G, Schellhorn K, Siebner HR, Ugawa Y, Wexler A, Ziemann U, Hallett M, Paulus W. Low intensity transcranial electric stimulation: Safety, ethical, legal regulatory and application guidelines. Clin Neurophysiol 2017; 128:1774-1809. [PMID: 28709880 PMCID: PMC5985830 DOI: 10.1016/j.clinph.2017.06.001] [Citation(s) in RCA: 627] [Impact Index Per Article: 89.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 05/29/2017] [Accepted: 06/06/2017] [Indexed: 12/11/2022]
Abstract
Low intensity transcranial electrical stimulation (TES) in humans, encompassing transcranial direct current (tDCS), transcutaneous spinal Direct Current Stimulation (tsDCS), transcranial alternating current (tACS), and transcranial random noise (tRNS) stimulation or their combinations, appears to be safe. No serious adverse events (SAEs) have been reported so far in over 18,000 sessions administered to healthy subjects, neurological and psychiatric patients, as summarized here. Moderate adverse events (AEs), as defined by the necessity to intervene, are rare, and include skin burns with tDCS due to suboptimal electrode-skin contact. Very rarely mania or hypomania was induced in patients with depression (11 documented cases), yet a causal relationship is difficult to prove because of the low incidence rate and limited numbers of subjects in controlled trials. Mild AEs (MAEs) include headache and fatigue following stimulation as well as prickling and burning sensations occurring during tDCS at peak-to-baseline intensities of 1-2mA and during tACS at higher peak-to-peak intensities above 2mA. The prevalence of published AEs is different in studies specifically assessing AEs vs. those not assessing them, being higher in the former. AEs are frequently reported by individuals receiving placebo stimulation. The profile of AEs in terms of frequency, magnitude and type is comparable in healthy and clinical populations, and this is also the case for more vulnerable populations, such as children, elderly persons, or pregnant women. Combined interventions (e.g., co-application of drugs, electrophysiological measurements, neuroimaging) were not associated with further safety issues. Safety is established for low-intensity 'conventional' TES defined as <4mA, up to 60min duration per day. Animal studies and modeling evidence indicate that brain injury could occur at predicted current densities in the brain of 6.3-13A/m2 that are over an order of magnitude above those produced by tDCS in humans. Using AC stimulation fewer AEs were reported compared to DC. In specific paradigms with amplitudes of up to 10mA, frequencies in the kHz range appear to be safe. In this paper we provide structured interviews and recommend their use in future controlled studies, in particular when trying to extend the parameters applied. We also discuss recent regulatory issues, reporting practices and ethical issues. These recommendations achieved consensus in a meeting, which took place in Göttingen, Germany, on September 6-7, 2016 and were refined thereafter by email correspondence.
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Affiliation(s)
- A Antal
- Department of Clinical Neurophysiology, University Medical Center Göttingen, Georg August University, Göttingen, Germany.
| | - I Alekseichuk
- Department of Clinical Neurophysiology, University Medical Center Göttingen, Georg August University, Göttingen, Germany
| | - M Bikson
- Department of Biomedical Engineering, The City College of New York, New York, USA
| | - J Brockmöller
- Department of Clinical Pharmacology, University Medical Center Goettingen, Germany
| | - A R Brunoni
- Service of Interdisciplinary Neuromodulation, Department and Institute of Psychiatry, Laboratory of Neurosciences (LIM-27) and Interdisciplinary Center for Applied Neuromodulation University Hospital, University of São Paulo, São Paulo, Brazil
| | - R Chen
- Division of Neurology, Department of Medicine, University of Toronto and Krembil Research Institute, Toronto, Ontario, Canada
| | - L G Cohen
- Human Cortical Physiology and Neurorehabilitation Section, National Institute of Neurological Disorders and Stroke NIH, Bethesda, USA
| | | | - J Ellrich
- Department of Health Science and Technology, Aalborg University, Aalborg, Denmark; Institute of Physiology and Pathophysiology, University of Erlangen-Nürnberg, Erlangen, Germany; EBS Technologies GmbH, Europarc Dreilinden, Germany
| | - A Flöel
- Universitätsmedizin Greifswald, Klinik und Poliklinik für Neurologie, Greifswald, Germany
| | - F Fregni
- Spaulding Neuromodulation Center, Spaulding Rehabilitation Hospital, Harvard Medical School, Boston, MA, USA
| | - M S George
- Brain Stimulation Division, Medical University of South Carolina, and Ralph H. Johnson Veterans Affairs Medical Center, Charleston, SC, USA
| | - R Hamilton
- Department of Neurology, University of Pennsylvania, Philadelphia, PA, USA
| | - J Haueisen
- Institute of Biomedical Engineering and Informatics, Technische Universität Ilmenau, Germany
| | - C S Herrmann
- Experimental Psychology Lab, Department of Psychology, European Medical School, Carl von Ossietzky Universität, Oldenburg, Germany
| | - F C Hummel
- Defitech Chair of Clinical Neuroengineering, Centre of Neuroprosthetics (CNP) and Brain Mind Institute, Swiss Federal Institute of Technology (EPFL), Geneva, Switzerland; Defitech Chair of Clinical Neuroengineering, Clinique Romande de Réadaptation, Swiss Federal Institute of Technology (EPFL Valais), Sion, Switzerland
| | - J P Lefaucheur
- Department of Physiology, Henri Mondor Hospital, Assistance Publique - Hôpitaux de Paris, and EA 4391, Nerve Excitability and Therapeutic Team (ENT), Faculty of Medicine, Paris Est Créteil University, Créteil, France
| | - D Liebetanz
- Department of Clinical Neurophysiology, University Medical Center Göttingen, Georg August University, Göttingen, Germany
| | - C K Loo
- School of Psychiatry & Black Dog Institute, University of New South Wales, Sydney, Australia
| | - C D McCaig
- Institute of Medical Sciences, University of Aberdeen, Aberdeen, Scotland, UK
| | - C Miniussi
- Center for Mind/Brain Sciences CIMeC, University of Trento, Rovereto, Italy; Cognitive Neuroscience Section, IRCCS Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
| | - P C Miranda
- Institute of Biophysics and Biomedical Engineering, Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal
| | - V Moliadze
- Institute of Medical Psychology and Medical Sociology, University Hospital of Schleswig-Holstein (UKSH), Campus Kiel, Christian-Albrechts-University, Kiel, Germany
| | - M A Nitsche
- Department of Psychology and Neurosciences, Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany; Department of Neurology, University Hospital Bergmannsheil, Bochum, Germany
| | - R Nowak
- Neuroelectrics, Barcelona, Spain
| | - F Padberg
- Department of Psychiatry and Psychotherapy, Munich Center for Brain Stimulation, Ludwig-Maximilian University Munich, Germany
| | - A Pascual-Leone
- Division of Cognitive Neurology, Harvard Medical Center and Berenson-Allen Center for Noninvasive Brain Stimulation at Beth Israel Deaconess Medical Center, Boston, USA
| | - W Poppendieck
- Department of Information Technology, Mannheim University of Applied Sciences, Mannheim, Germany
| | - A Priori
- Center for Neurotechnology and Experimental Brain Therapeutich, Department of Health Sciences, University of Milan Italy; Deparment of Clinical Neurology, University Hospital Asst Santi Paolo E Carlo, Milan, Italy
| | - S Rossi
- Department of Medicine, Surgery and Neuroscience, Human Physiology Section and Neurology and Clinical Neurophysiology Section, Brain Investigation & Neuromodulation Lab, University of Siena, Italy
| | - P M Rossini
- Area of Neuroscience, Institute of Neurology, University Clinic A. Gemelli, Catholic University, Rome, Italy
| | | | - M A Rueger
- Department of Neurology, University Hospital of Cologne, Germany
| | | | | | - H R Siebner
- Danish Research Centre for Magnetic Resonance, Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark; Department of Neurology, Copenhagen University Hospital Bispebjerg, Copenhagen, Denmark
| | - Y Ugawa
- Department of Neurology, Fukushima Medical University, Fukushima, Japan; Fukushima Global Medical Science Center, Advanced Clinical Research Center, Fukushima Medical University, Japan
| | - A Wexler
- Department of Science, Technology & Society, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - U Ziemann
- Department of Neurology & Stroke, and Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
| | - M Hallett
- Human Motor Control Section, National Institute of Neurological Disorders and Stroke, NIH, Bethesda, MD, USA
| | - W Paulus
- Department of Clinical Neurophysiology, University Medical Center Göttingen, Georg August University, Göttingen, Germany
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Ugawa Y, Yamamoto T, Kawamura M, Yamashiro K, Shimoe M, Tomikawa K, Hongo S, Maeda H, Takashiba S. Rho-kinase regulates extracellular matrix-mediated osteogenic differentiation of periodontal ligament cells. Cell Biol Int 2017; 41:651-658. [DOI: 10.1002/cbin.10769] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Accepted: 03/26/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Yuki Ugawa
- Department of Pathophysiology-Periodontal Science; Okayama University Graduate School of Medicine; Dentistry and Pharmaceutical Sciences; 2-5-1 Shikata-cho Kita-ku Okayama 700-8525 Japan
| | - Tadashi Yamamoto
- Department of Pathophysiology-Periodontal Science; Okayama University Graduate School of Medicine; Dentistry and Pharmaceutical Sciences; 2-5-1 Shikata-cho Kita-ku Okayama 700-8525 Japan
| | - Mari Kawamura
- Department of Pathophysiology-Periodontal Science; Okayama University Graduate School of Medicine; Dentistry and Pharmaceutical Sciences; 2-5-1 Shikata-cho Kita-ku Okayama 700-8525 Japan
| | - Keisuke Yamashiro
- Department of Pathophysiology-Periodontal Science; Okayama University Graduate School of Medicine; Dentistry and Pharmaceutical Sciences; 2-5-1 Shikata-cho Kita-ku Okayama 700-8525 Japan
| | - Masayuki Shimoe
- Department of Pathophysiology-Periodontal Science; Okayama University Graduate School of Medicine; Dentistry and Pharmaceutical Sciences; 2-5-1 Shikata-cho Kita-ku Okayama 700-8525 Japan
| | - Kazuya Tomikawa
- Department of Pathophysiology-Periodontal Science; Okayama University Graduate School of Medicine; Dentistry and Pharmaceutical Sciences; 2-5-1 Shikata-cho Kita-ku Okayama 700-8525 Japan
| | - Shoichi Hongo
- Department of Pathophysiology-Periodontal Science; Okayama University Graduate School of Medicine; Dentistry and Pharmaceutical Sciences; 2-5-1 Shikata-cho Kita-ku Okayama 700-8525 Japan
| | - Hiroshi Maeda
- Department of Pathophysiology-Periodontal Science; Okayama University Graduate School of Medicine; Dentistry and Pharmaceutical Sciences; 2-5-1 Shikata-cho Kita-ku Okayama 700-8525 Japan
| | - Shogo Takashiba
- Department of Pathophysiology-Periodontal Science; Okayama University Graduate School of Medicine; Dentistry and Pharmaceutical Sciences; 2-5-1 Shikata-cho Kita-ku Okayama 700-8525 Japan
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Hanajima R, Enomoto H, Tanaka N, Tsutsumi R, Shimizu T, Shirota Y, Terao Y, Abe M, Ugawa Y. T011 Influence of anti-Parkinson’s disease drugs on the neuro-plasticity induced by quadripulse transcranial magnetic stimulation (QPS). Clin Neurophysiol 2017. [DOI: 10.1016/j.clinph.2016.10.110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Tokushige S, Terao Y, Matsuda S, Oyama G, Shimo Y, Umemura A, Sekimoto S, Sasaki T, Inomata-Terada S, Yugeta A, Hamada M, Ugawa Y, Hattori N, Tsuji S. The effect of deep brain stimulation on visual scanning of Parkinson’s disease patients. Brain Stimul 2017. [DOI: 10.1016/j.brs.2017.01.111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Shimizu T, Hanajima R, Tsutsumi R, Shirota Y, Tanaka N, Hamada M, Ugawa Y. Different roles of pre-SMA and SMA in human visuomotor sequence learning: a TMS study. Brain Stimul 2017. [DOI: 10.1016/j.brs.2017.01.166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Murakami T, Fujiwara J, Sakamoto Y, Okamoto M, Mizuochi T, Iwabuchi T, Makuuchi M, Abe M, Kubo H, Matsuda N, Kobayashi S, Ito H, Takenoshita S, Ugawa Y. P141 Contribution of the motor system to McGurk effect-event-related fMRI and TMS studies. Clin Neurophysiol 2017. [DOI: 10.1016/j.clinph.2016.10.263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Shimizu T, Hanajima R, Tanaka N, Tsutsumi R, Shirota Y, Terao Y, Ugawa Y. P006 Effects of Zonisamide on human motor cortical plasticity: A TMS study. Clin Neurophysiol 2017. [DOI: 10.1016/j.clinph.2016.10.136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Sasaki T, Tokushige S, Terada S, Yugeta A, Terao Y, Ugawa Y, Hamada M. P138 Influence of the difference of induced current direction on measurement of corticospinal excitability changes after continuous and intermittent theta burst stimulation. Clin Neurophysiol 2017. [DOI: 10.1016/j.clinph.2016.10.260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Yamashita A, Murakami T, Kadowaki S, Yoshida K, Ito E, Matsuda N, Chang F, Hattori N, Miyai I, Ugawa Y. Spike-timing dependent plasticity at spinal motoneurons. Brain Stimul 2017. [DOI: 10.1016/j.brs.2017.01.157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Hongo S, Yamamoto T, Yamashiro K, Shimoe M, Tomikawa K, Ugawa Y, Kochi S, Ideguchi H, Maeda H, Takashiba S. Smad2 overexpression enhances adhesion of gingival epithelial cells. Arch Oral Biol 2016; 71:46-53. [PMID: 27421099 DOI: 10.1016/j.archoralbio.2016.06.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Revised: 06/25/2016] [Accepted: 06/28/2016] [Indexed: 01/25/2023]
Abstract
OBJECTIVE Gingival epithelial cells play an important role in preventing the initiation of periodontitis, by their hemidesmosomal adhesion to the tooth root surface. Adhesion requires integrin-extracellular matrix (ECM) interactions that are intricately regulated by transforming growth factor-β (TGF-β) signaling. However, the mechanisms underlying the interplay between adhesion molecules and TGF-β, especially the respective roles of Smad2 and Smad3, remain elusive. In this study, we examined the effects of Smad overexpression on gingival epithelial cell adhesion and expression profiles of integrin and ECM-related genes. METHODS Human gingival epithelial cells immortalized by the SV40 T-antigen were transfected with Smad2- and Smad3-overexpression vectors. A cell adhesion assay involving fluorescence detection of attached cells was performed using the ArrayScan imaging system. Real-time PCR was performed to examine the kinetics of integrin and ECM gene expression. In vitro and in vivo localization of adhesion molecules was examined by immunofluorescence analysis. RESULTS By using SB431542, a specific inhibitor of the TGF-β type I receptor, Smad2/3 signaling was confirmed to be dominant in TGF-β1-induced cell adhesion. The Smad2-transfectant demonstrated higher potency for cell adhesion and integrin expression (α2, α5, β4, and β6) than the Smad3-transfectant, whereas little or no change in ECM expression was observed in either transfectant. Moreover, the gingival epithelium of transgenic mice that overexpressed Smad2 driven by the keratin 14 promoter showed increased integrin α2 expression. CONCLUSION These findings indicate the crucial role of Smad2 in increased adhesion of gingival epithelial cells via upregulation of integrin α2.
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Affiliation(s)
- Shoichi Hongo
- Department of Pathophysiology - Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan
| | - Tadashi Yamamoto
- Department of Pathophysiology - Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan
| | - Keisuke Yamashiro
- Department of Pathophysiology - Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan
| | - Masayuki Shimoe
- Department of Pathophysiology - Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan
| | - Kazuya Tomikawa
- Department of Pathophysiology - Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan
| | - Yuki Ugawa
- Department of Pathophysiology - Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan
| | - Shinsuke Kochi
- Department of Pathophysiology - Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan
| | - Hidetaka Ideguchi
- Department of Pathophysiology - Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan
| | - Hiroshi Maeda
- Department of Pathophysiology - Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan
| | - Shogo Takashiba
- Department of Pathophysiology - Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan.
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Nakatani-Enomoto S, Enomoto H, Ugawa Y. Neuroplasticity in patients with Parkinson’s disease and myoclonus epilepsy. Brain Stimul 2015. [DOI: 10.1016/j.brs.2015.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Hanajima R, Tanaka N, Tsutsumi R, Enomoto H, Abe M, Nakamura K, Kobayashi S, Hamada M, Shimizu T, Terao Y, Ugawa Y. Age influence on the quadri-pulse stimulation (QPS) induced LTP like effect. Brain Stimul 2015. [DOI: 10.1016/j.brs.2015.01.084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Rossini PM, Burke D, Chen R, Cohen LG, Daskalakis Z, Di Iorio R, Di Lazzaro V, Ferreri F, Fitzgerald PB, George MS, Hallett M, Lefaucheur JP, Langguth B, Matsumoto H, Miniussi C, Nitsche MA, Pascual-Leone A, Paulus W, Rossi S, Rothwell JC, Siebner HR, Ugawa Y, Walsh V, Ziemann U. Non-invasive electrical and magnetic stimulation of the brain, spinal cord, roots and peripheral nerves: Basic principles and procedures for routine clinical and research application. An updated report from an I.F.C.N. Committee. Clin Neurophysiol 2015; 126:1071-1107. [PMID: 25797650 PMCID: PMC6350257 DOI: 10.1016/j.clinph.2015.02.001] [Citation(s) in RCA: 1684] [Impact Index Per Article: 187.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2014] [Revised: 01/22/2015] [Accepted: 02/01/2015] [Indexed: 12/14/2022]
Abstract
These guidelines provide an up-date of previous IFCN report on “Non-invasive electrical and magnetic stimulation of the brain, spinal cord and roots: basic principles and procedures for routine clinical application” (Rossini et al., 1994). A new Committee, composed of international experts, some of whom were in the panel of the 1994 “Report”, was selected to produce a current state-of-the-art review of non-invasive stimulation both for clinical application and research in neuroscience. Since 1994, the international scientific community has seen a rapid increase in non-invasive brain stimulation in studying cognition, brain–behavior relationship and pathophysiology of various neurologic and psychiatric disorders. New paradigms of stimulation and new techniques have been developed. Furthermore, a large number of studies and clinical trials have demonstrated potential therapeutic applications of non-invasive brain stimulation, especially for TMS. Recent guidelines can be found in the literature covering specific aspects of non-invasive brain stimulation, such as safety (Rossi et al., 2009), methodology (Groppa et al., 2012) and therapeutic applications (Lefaucheur et al., 2014). This up-dated review covers theoretical, physiological and practical aspects of non-invasive stimulation of brain, spinal cord, nerve roots and peripheral nerves in the light of more updated knowledge, and include some recent extensions and developments.
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Affiliation(s)
- P M Rossini
- Institute of Neurology, Department of Geriatrics, Neuroscience and Orthopedics, Catholic University, Policlinic A. Gemelli, Rome, Italy
| | - D Burke
- Department of Neurology, Royal Prince Alfred Hospital, University of Sydney, Sydney, Australia
| | - R Chen
- Division of Neurology, Toronto Western Research Institute, University of Toronto, Toronto, Ontario, Canada
| | - L G Cohen
- Human Cortical Physiology and Neurorehabilitation Section, NINDS, NIH, Bethesda, MD, USA
| | - Z Daskalakis
- Temerty Centre for Therapeutic Brain Intervention, Centre for Addiction and Mental Health, University of Toronto, Toronto, Ontario, Canada
| | - R Di Iorio
- Institute of Neurology, Department of Geriatrics, Neuroscience and Orthopedics, Catholic University, Policlinic A. Gemelli, Rome, Italy.
| | - V Di Lazzaro
- Department of Neurology, University Campus Bio-medico, Rome, Italy
| | - F Ferreri
- Department of Neurology, University Campus Bio-medico, Rome, Italy; Department of Clinical Neurophysiology, University of Eastern Finland, Kuopio, Finland
| | - P B Fitzgerald
- Monash Alfred Psychiatry Research Centre, Monash University Central Clinical School and The Alfred, Melbourne, Australia
| | - M S George
- Medical University of South Carolina, Ralph H. Johnson VA Medical Center, Charleston, SC, USA
| | - M Hallett
- Human Motor Control Section, Medical Neurology Branch, NINDS, NIH, Bethesda, MD, USA
| | - J P Lefaucheur
- Department of Physiology, Henri Mondor Hospital, Assistance Publique - Hôpitaux de Paris, Créteil, France; EA 4391, Nerve Excitability and Therapeutic Team, Faculty of Medicine, Paris Est Créteil University, Créteil, France
| | - B Langguth
- Department of Psychiatry and Psychotherapy, University of Regensburg, Regensburg, Germany
| | - H Matsumoto
- Department of Neurology, Japanese Red Cross Medical Center, Tokyo, Japan
| | - C Miniussi
- Department of Clinical and Experimental Sciences University of Brescia, Brescia, Italy; IRCCS Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
| | - M A Nitsche
- Department of Clinical Neurophysiology, University Medical Center Göttingen, Georg-August-University, Göttingen, Germany
| | - A Pascual-Leone
- Berenson-Allen Center for Non-invasive Brain Stimulation, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - W Paulus
- Department of Clinical Neurophysiology, Georg-August University, Göttingen, Germany
| | - S Rossi
- Brain Investigation & Neuromodulation Lab, Unit of Neurology and Clinical Neurophysiology, Department of Neuroscience, University of Siena, Siena, Italy
| | - J C Rothwell
- Institute of Neurology, University College London, London, United Kingdom
| | - H R Siebner
- Department of Neurology, Copenhagen University Hospital Bispebjerg, Copenhagen, Denmark; Danish Research Centre for Magnetic Resonance, Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark
| | - Y Ugawa
- Department of Neurology, School of Medicine, Fukushima Medical University, Fukushima, Japan
| | - V Walsh
- Institute of Cognitive Neuroscience, University College London, London, United Kingdom
| | - U Ziemann
- Department of Neurology & Stroke, and Hertie Institute for Clinical Brain Research, Eberhard Karls University, Tübingen, Germany
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Yamamoto T, Ugawa Y, Yamashiro K, Shimoe M, Tomikawa K, Hongo S, Kochi S, Ideguchi H, Maeda H, Takashiba S. Osteogenic differentiation regulated by Rho-kinase in periodontal ligament cells. Differentiation 2014; 88:33-41. [PMID: 25278479 DOI: 10.1016/j.diff.2014.09.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2013] [Revised: 08/26/2014] [Accepted: 09/03/2014] [Indexed: 12/23/2022]
Abstract
The periodontal ligament is a multifunctional soft connective tissue, which functions not only as a cushion supporting the teeth against occlusal force, but is also a source of osteogenic cells that can regenerate neighboring hard tissues. Periodontal ligament cells (PDL cells) contain heterogeneous cell populations, including osteogenic cell progenitors. However, the precise mechanism underlying the differentiation process remains elusive. Cell differentiation is regulated by the local biochemical and mechanical microenvironment that can modulate gene expression and cell morphology by altering actin cytoskeletal organization mediated by Rho-associated, coiled-coil containing protein kinase (ROCK). To determine its role in PDL cell differentiation, we examined the effects of ROCK on cytoskeletal changes and kinetics of gene expression during osteogenic differentiation. PDL cells were isolated from human periodontal ligament on extracted teeth and cultured in osteogenic medium for 14 days. Y-27632 was used for ROCK inhibition assay. Osteogenic phenotype was determined by monitoring alkaline phosphatase (ALP) activity and calcium deposition by Alizarin Red staining. ROCK-induced cytoskeletal changes were examined by immunofluorescence analysis of F-actin and myosin light chain 2 (MLC2) expression. Real-time PCR was performed to examine the kinetics of osteogenic gene expression. F-actin and phospho-MLC2 were markedly induced during osteogenic differentiation, which coincided with upregulation of ALP activity and mineralization. Subsequent inhibition assay indicated that Y-27632 significantly inhibited F-actin and phospho-MLC2 expression in a dose-dependent manner with concomitant partial reversal of the PDL cell osteogenic phenotype. PCR array analysis of osteogenic gene expression indicated that extracellular matrix genes, such as fibronectin 1, collagen type I and III, and biglycan, were significantly downregulated by Y27632. These findings indicated crucial effects of ROCK in cytoskeletal reorganization and differentiation of PDL cells toward osteogenic cells. ROCK contributes to induction of osteogenic differentiation by synergistic increases in extracellular matrix gene expression in PDL cells.
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Affiliation(s)
- Tadashi Yamamoto
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan
| | - Yuki Ugawa
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan
| | - Keisuke Yamashiro
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan
| | - Masayuki Shimoe
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan
| | - Kazuya Tomikawa
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan
| | - Shoichi Hongo
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan
| | - Shinsuke Kochi
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan
| | - Hidetaka Ideguchi
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan
| | - Hiroshi Maeda
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan
| | - Shogo Takashiba
- Department of Pathophysiology-Periodontal Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8525, Japan.
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Grimaldi G, Argyropoulos GP, Boehringer A, Celnik P, Edwards MJ, Ferrucci R, Galea JM, Groiss SJ, Hiraoka K, Kassavetis P, Lesage E, Manto M, Miall RC, Priori A, Sadnicka A, Ugawa Y, Ziemann U. Non-invasive cerebellar stimulation--a consensus paper. Cerebellum 2014; 13:121-38. [PMID: 23943521 DOI: 10.1007/s12311-013-0514-7] [Citation(s) in RCA: 195] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The field of neurostimulation of the cerebellum either with transcranial magnetic stimulation (TMS; single pulse or repetitive (rTMS)) or transcranial direct current stimulation (tDCS; anodal or cathodal) is gaining popularity in the scientific community, in particular because these stimulation techniques are non-invasive and provide novel information on cerebellar functions. There is a consensus amongst the panel of experts that both TMS and tDCS can effectively influence cerebellar functions, not only in the motor domain, with effects on visually guided tracking tasks, motor surround inhibition, motor adaptation and learning, but also for the cognitive and affective operations handled by the cerebro-cerebellar circuits. Verbal working memory, semantic associations and predictive language processing are amongst these operations. Both TMS and tDCS modulate the connectivity between the cerebellum and the primary motor cortex, tuning cerebellar excitability. Cerebellar TMS is an effective and valuable method to evaluate the cerebello-thalamo-cortical loop functions and for the study of the pathophysiology of ataxia. In most circumstances, DCS induces a polarity-dependent site-specific modulation of cerebellar activity. Paired associative stimulation of the cerebello-dentato-thalamo-M1 pathway can induce bidirectional long-term spike-timing-dependent plasticity-like changes of corticospinal excitability. However, the panel of experts considers that several important issues still remain unresolved and require further research. In particular, the role of TMS in promoting cerebellar plasticity is not established. Moreover, the exact positioning of electrode stimulation and the duration of the after effects of tDCS remain unclear. Future studies are required to better define how DCS over particular regions of the cerebellum affects individual cerebellar symptoms, given the topographical organization of cerebellar symptoms. The long-term neural consequences of non-invasive cerebellar modulation are also unclear. Although there is an agreement that the clinical applications in cerebellar disorders are likely numerous, it is emphasized that rigorous large-scale clinical trials are missing. Further studies should be encouraged to better clarify the role of using non-invasive neurostimulation techniques over the cerebellum in motor, cognitive and psychiatric rehabilitation strategies.
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Affiliation(s)
- G Grimaldi
- Unité d'Etude du Mouvement, Hôpital Erasme-ULB, 808 Route de Lennik, 1070, Brussels, Belgium,
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36
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Shimizu T, Hanajima R, Tsutsumi R, Shirota Y, Hamada M, Tanaka N, Matsuda S, Terao Y, Ugawa Y. O1: Effects of quadripulse stimulation over medial frontal cortex on human visuomotor sequence learning. Clin Neurophysiol 2014. [DOI: 10.1016/s1388-2457(14)50107-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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37
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Kadowaki S, Enomoto H, Moriya A, Murakami T, Nakamura K, Naktani-Enomoto S, Mochizuki H, Kobayashi S, Ugawa Y. P1064: Phasic muscle contraction influence upon the quadripulse stimulation (QPS) after effects. Clin Neurophysiol 2014. [DOI: 10.1016/s1388-2457(14)51093-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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38
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Nakatani-Enomoto S, Hanajima R, Hamada M, Terao Y, Matsumoto H, Shirota Y, Ohminami S, Okabe S, Hirose M, Nakamura K, Furubayashi T, Groiss S, Kobayashi S, Mochizuki H, Enomoto H, Ugawa Y. P925: Somatosensory evoked potential (SEP) modulation by quadripulse transcranial magnetic stimulation (QPS) in benign myoclonus epilepsy patients. Clin Neurophysiol 2014. [DOI: 10.1016/s1388-2457(14)50961-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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39
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Uesugi H, Ogawa G, Stalberg E, Higashihara M, Ugawa Y, Hida K, Saito H, Sonoo M. P91: The most appropriate window width for the “Clustering index method”. Clin Neurophysiol 2014. [DOI: 10.1016/s1388-2457(14)50242-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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40
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Groiss S, Murakami T, Enomoto H, Nakatani-Enomoto S, Kobayashi S, Yoshihara A, Nakamura K, Furubayashi T, Sugiura Y, Kujirai T, Ugawa Y. P1101: Transient effects of transcranial magnetic quadripulses on the human motor cortex. Clin Neurophysiol 2014. [DOI: 10.1016/s1388-2457(14)51119-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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41
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Hanajima R, Matsumoto H, Nakatani-Enomoto S, Shirota Y, Tsutsumi R, Shimizu T, Tanaka N, Matsuda S, Okabe S, Terao Y, Ugawa Y. O34: Short latency inputs from ventral premotor cortex to the primary motor cortex in healthy humans. Clin Neurophysiol 2014. [DOI: 10.1016/s1388-2457(14)50139-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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42
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Murakami T, Mueller-Dahlhaus F, Lu MK, Ugawa Y, Ziemann U. P1083: Homeostatic metaplasticity of corticospinal excitatory and inhibitory intracortical neural circuits in human motor cortex. Clin Neurophysiol 2014. [DOI: 10.1016/s1388-2457(14)51111-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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43
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Groiss SJ, Murakami T, Enomoto H, Nakatani-Enomoto S, Kobayashi S, Yoshihara A, Nakamura K, Furubayashi T, Sugiura Y, Kujirai T, Ugawa Y. Transiente Effekte transkranieller magnetischer Quadripulse auf den Motorkortex. KLIN NEUROPHYSIOL 2014. [DOI: 10.1055/s-0034-1371278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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44
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Ramos VFML, Paine RW, Thirugnanasambandam N, Shirota Y, Hamada M, Ugawa Y. Supplementary motor area stimulation for Parkinson disease: A randomized controlled study. Neurology 2013; 81:1881-2. [DOI: 10.1212/01.wnl.0000438373.32335.cf] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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45
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Sugiura Y, Ihara Y, Ishii A, Ugawa Y, Hirose S. Lack of potassium current in novel mutations of KCNQ2 and KCNQ3 identified in benign familial neonatal epilepsy (BFNE). J Neurol Sci 2013. [DOI: 10.1016/j.jns.2013.07.181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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46
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Hoshi A, Tsunoda A, Tada M, Ugawa Y, Nishizawa M, Takahashi H, Kakita A. Characteristics of water channel protein aquaporin expression in Parkinson's disease. J Neurol Sci 2013. [DOI: 10.1016/j.jns.2013.07.2128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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47
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Groiss S, Mochizuki H, Nakatani-Enomoto S, Otani K, Ugawa Y. P 216. Impairment of triad conditioned facilitation in amyotrophic lateral sclerosis. Clin Neurophysiol 2013. [DOI: 10.1016/j.clinph.2013.04.293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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48
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Murakami T, Kell C, Restle J, Ugawa Y, Ziemann U. P 39. Functional causality of the dorsal stream in sensorimotor integration of speech repetition. Clin Neurophysiol 2013. [DOI: 10.1016/j.clinph.2013.04.117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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49
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Shirota Y, Hanajima R, Ohminami S, Tsutsumi R, Ugawa Y, Terao Y. P 48. Supplementary motor area plays a causal role in automatic inhibition of motor response. Clin Neurophysiol 2013. [DOI: 10.1016/j.clinph.2013.04.126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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50
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Groiss SJ, Mochizuki H, Nakatani-Enomoto S, Otani K, Ugawa Y. Beeinträchtigung der durch Triple-Puls konditionierten Fazilitierung des Motorkortex bei amyotropher Lateralsklerose. KLIN NEUROPHYSIOL 2013. [DOI: 10.1055/s-0033-1337130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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