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Muksuris K, Scarisbrick DM, Mahoney JJ, Cherkasova MV. Noninvasive Neuromodulation in Parkinson's Disease: Insights from Animal Models. J Clin Med 2023; 12:5448. [PMID: 37685514 PMCID: PMC10487610 DOI: 10.3390/jcm12175448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 08/14/2023] [Accepted: 08/17/2023] [Indexed: 09/10/2023] Open
Abstract
The mainstay treatments for Parkinson's Disease (PD) have been limited to pharmacotherapy and deep brain stimulation. While these interventions are helpful, a new wave of research is investigating noninvasive neuromodulation methods as potential treatments. Some promising avenues have included transcranial magnetic stimulation (TMS), transcranial direct current stimulation (tDCS), electroconvulsive therapy (ECT), and focused ultrasound (FUS). While these methods are being tested in PD patients, investigations in animal models of PD have sought to elucidate their therapeutic mechanisms. In this rapid review, we assess the available animal literature on these noninvasive techniques and discuss the possible mechanisms mediating their therapeutic effects based on these findings.
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Affiliation(s)
- Katherine Muksuris
- Department of Psychology, West Virginia University, Morgantown, WV 26506, USA
| | - David M. Scarisbrick
- Department of Behavioral Medicine and Psychiatry, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV 26506, USA
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV 26506, USA
| | - James J. Mahoney
- Department of Behavioral Medicine and Psychiatry, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV 26506, USA
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV 26506, USA
| | - Mariya V. Cherkasova
- Department of Psychology, West Virginia University, Morgantown, WV 26506, USA
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV 26506, USA
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Kudo S, Uchida T, Nishida H, Takamiya A, Kikuchi T, Yamagata B, Mimura M, Hirano J. Clinical characteristics and potential association to Parkinson's disease and dementia with Lewy bodies in patients with major depressive disorder who received maintenance electroconvulsive therapy: a retrospective chart review study. BMC Psychiatry 2023; 23:243. [PMID: 37041471 PMCID: PMC10091570 DOI: 10.1186/s12888-023-04743-7] [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: 09/26/2022] [Accepted: 04/03/2023] [Indexed: 04/13/2023] Open
Abstract
BACKGROUND Maintaining remission after electroconvulsive therapy (ECT) is clinically relevant in patients with depression, and maintenance ECT has been introduced in patients who fail to maintain remission after ECT. However, the clinical characteristics and biological background of patients who receive maintenance ECT are poorly understood. Thus, this study aimed to examine the clinical background of patients who underwent maintenance ECT. METHODS Patients with major depressive disorder who underwent ECT followed by maintenance ECT (mECT group) and those who did not (acute ECT [aECT] group) were included. Clinical characteristics, including the results of neuroimaging examinations for Parkinson's disease (PD) and dementia with Levy body (DLB) such as myocardial 123I-metaiodobenzylguanidine (MIBG) scintigraphy and dopamine transporter imaging single-photon emission computerized tomography (DaT-SPECT), were compared between the groups. RESULTS In total, 13 and 146 patients were included in the mECT and aECT groups, respectively. Compared to the aECT group, the mECT group showed a significantly higher prevalence of melancholic features (92.3% vs. 27.4%, p < 0.001) and catatonic features (46.2% vs. 9.6%, p = 0.002). Overall, 8 of the 13 patients in the mECT group and 22 of the 146 patients in the aECT group underwent neuroimaging examinations for PD/DLB. The rate of patients examined is significantly higher in the mECT group than in the aECT group (61.5% vs. 11.2%, p < 0.001). Among the groups examined, 7/8 patients in the mECT group and 16/22 patients in the aECT group showed relevant neuroimaging findings for PD/DLB; the positive rate was not significantly different between the two groups (87.5% vs. 72.7%, p = 0.638). CONCLUSIONS Patients who receive acute and maintenance ECT may have underlying neurodegenerative diseases, including PD/DLB. Investigating the neurobiology of patients who receive maintenance ECT is important for developing appropriate treatments for depression.
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Affiliation(s)
- Shun Kudo
- Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
- Department of Psychiatry, Saitama City Hospital, Saitama, Japan
| | - Takahito Uchida
- Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan.
- Department of Psychiatry, Melbourne Neuropsychiatry Centre, The University of Melbourne, Victoria, Australia.
| | - Hana Nishida
- Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Akihiro Takamiya
- Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Toshiaki Kikuchi
- Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Bun Yamagata
- Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Masaru Mimura
- Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Jinichi Hirano
- Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
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Real CC, Binda KH, Thomsen MB, Lillethorup TP, Brooks DJ, Landau AM. Selecting the Best Animal Model of Parkinson's Disease for Your Research Purpose: Insight from in vivo PET Imaging Studies. Curr Neuropharmacol 2023; 21:1241-1272. [PMID: 36797611 PMCID: PMC10286593 DOI: 10.2174/1570159x21666230216101659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/08/2022] [Accepted: 09/08/2022] [Indexed: 02/18/2023] Open
Abstract
Parkinson's disease (PD) is a debilitating neurodegenerative multisystem disorder leading to motor and non-motor symptoms in millions of individuals. Despite intense research, there is still no cure, and early disease biomarkers are lacking. Animal models of PD have been inspired by basic elements of its pathogenesis, such as dopamine dysfunction, alpha-synuclein accumulation, neuroinflammation and disruption of protein degradation, and these have been crucial for a deeper understanding of the mechanisms of pathology, the identification of biomarkers, and evaluation of novel therapies. Imaging biomarkers are non-invasive tools to assess disease progression and response to therapies; their discovery and validation have been an active field of translational research. Here, we highlight different considerations of animal models of PD that can be applied to future research, in terms of their suitability to answer different research questions. We provide the reader with important considerations of the best choice of model to use based on the disease features of each model, including issues related to different species. In addition, positron emission tomography studies conducted in PD animal models in the last 5 years are presented. With a variety of different species, interventions and genetic information, the choice of the most appropriate model to answer research questions can be daunting, especially since no single model recapitulates all aspects of this complex disorder. Appropriate animal models in conjunction with in vivo molecular imaging tools, if selected properly, can be a powerful combination for the assessment of novel therapies and developing tools for early diagnosis.
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Affiliation(s)
- Caroline Cristiano Real
- Department of Nuclear Medicine and PET Center, Aarhus University Hospital, Aarhus, Denmark
- Translational Neuropsychiatry Unit, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Karina Henrique Binda
- Department of Nuclear Medicine and PET Center, Aarhus University Hospital, Aarhus, Denmark
- Translational Neuropsychiatry Unit, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Majken Borup Thomsen
- Department of Nuclear Medicine and PET Center, Aarhus University Hospital, Aarhus, Denmark
- Translational Neuropsychiatry Unit, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Thea Pinholt Lillethorup
- Department of Nuclear Medicine and PET Center, Aarhus University Hospital, Aarhus, Denmark
- Translational Neuropsychiatry Unit, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - David James Brooks
- Department of Nuclear Medicine and PET Center, Aarhus University Hospital, Aarhus, Denmark
- Institute of Translational and Clinical Research, University of Newcastle, Upon Tyne, UK
| | - Anne Marlene Landau
- Department of Nuclear Medicine and PET Center, Aarhus University Hospital, Aarhus, Denmark
- Translational Neuropsychiatry Unit, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
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Takamiya A, Seki M, Kudo S, Yoshizaki T, Nakahara J, Mimura M, Kishimoto T. Electroconvulsive Therapy for Parkinson's Disease: A Systematic Review and Meta-Analysis. Mov Disord 2020; 36:50-58. [PMID: 33280168 DOI: 10.1002/mds.28335] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 08/27/2020] [Accepted: 09/21/2020] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND Electroconvulsive therapy (ECT) is a well-established treatment for psychiatric disorders, including depression and psychosis. ECT has been reported to be effective in treating such psychiatric symptoms in patients with Parkinson's disease (PD) and has been also reported to be effective in treating motor symptoms. The aim of the study is to summarize previous clinical studies investigating the efficacy of ECT for symptoms in patients with PD. METHODS A systematic review and meta-analysis of any study designs assessing motor and/or non-motor symptoms in patients with PD before and after ECT. Co-primary outcomes were set as motor manifestations assessed using the Unified Parkinson's Disease Rating Scale or other rating scales, and non-motor symptoms included depression and psychosis. Secondary outcomes were wearing-off phenomenon and cognitive function. The impact of ECT on those symptoms was examined by comparing the severity of the symptoms before and after ECT using a random effect model and was expressed in standardized mean difference. RESULTS Of 1219 identified citations, 14 studies (n = 129; 1 randomized controlled study, 9 prospective observational studies, and 4 retrospective studies) were analyzed. The findings were as follows: ECT significantly improved motor manifestations in patients with PD, and the improvement was significant in the subpopulation without psychiatric symptoms; ECT significantly improved depression and psychosis; and ECT significantly relieved wearing-off phenomenon and did not worsen cognitive functioning. CONCLUSION The current meta-analysis suggests the potential benefit of ECT on motor and non-motor symptoms in presumably complicated and difficult-to-treat subgroups. © 2020 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Akihiro Takamiya
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - Morinobu Seki
- Department of Neurology, Keio University School of Medicine, Tokyo, Japan
| | - Shun Kudo
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - Takahito Yoshizaki
- Department of Neurology, Keio University School of Medicine, Tokyo, Japan
| | - Jin Nakahara
- Department of Neurology, Keio University School of Medicine, Tokyo, Japan
| | - Masaru Mimura
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - Taishiro Kishimoto
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
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Landau AM, Alstrup AK, Audrain H, Jakobsen S, Simonsen M, Møller A, Videbech P, Wegener G, Gjedde A, Doudet DJ. Elevated dopamine D1 receptor availability in striatum of Göttingen minipigs after electroconvulsive therapy. J Cereb Blood Flow Metab 2018; 38:881-887. [PMID: 28509598 PMCID: PMC5987930 DOI: 10.1177/0271678x17705260] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Electroconvulsive therapy (ECT), a direct form of brain stimulation, is an effective antidepressant. We hypothesized that the beneficial effects of ECT are mediated by increased dopaminergic neurotransmission, in which the baseline activity of D1 receptors may predict the response to ECT. We established a novel model of brain stimulation in Göttingen minipigs based on the protocol of ECT applied in humans. With positron emission tomography (PET), we determined a measure of dopaminergic neurotransmission with the dopamine D1 receptor antagonist [11C]SCH23390. Seven minipigs were anesthetized and completed PET at baseline, prior to the onset of ECT treatment, and at 24-48 h and 8-10 days after the end of a clinical course of ECT, consisting of 10 ECT sessions over a 3.5-week period. In all pigs, the binding of [11C]SCH23390 to striatal D1 receptors had increased by 24-48 h after ECT, and in most, binding returned towards baseline at 8-10 days. Increased binding was observed in inverse proportion to baseline binding rates. Increased binding to dopamine D1 receptors suggests facilitation of dopaminergic neurotransmission, which may contribute to the therapeutic effects of ECT. Importantly, the baseline binding capacity of D1 receptors predicts the magnitude of increased binding, up to a maximum binding capacity.
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Affiliation(s)
- Anne M Landau
- 1 Department of Nuclear Medicine and PET Center, Aarhus University and Hospital, Aarhus C, Denmark.,2 Translational Neuropsychiatry Unit, Aarhus University and Hospital, Aarhus C, Denmark.,3 Center of Functionally Integrative Neuroscience, Aarhus University and Hospital, Aarhus C, Denmark
| | - Aage Ko Alstrup
- 1 Department of Nuclear Medicine and PET Center, Aarhus University and Hospital, Aarhus C, Denmark
| | - Helene Audrain
- 1 Department of Nuclear Medicine and PET Center, Aarhus University and Hospital, Aarhus C, Denmark
| | - Steen Jakobsen
- 1 Department of Nuclear Medicine and PET Center, Aarhus University and Hospital, Aarhus C, Denmark
| | - Mette Simonsen
- 1 Department of Nuclear Medicine and PET Center, Aarhus University and Hospital, Aarhus C, Denmark
| | - Arne Møller
- 1 Department of Nuclear Medicine and PET Center, Aarhus University and Hospital, Aarhus C, Denmark.,3 Center of Functionally Integrative Neuroscience, Aarhus University and Hospital, Aarhus C, Denmark
| | - Poul Videbech
- 4 Centre of Mental Health, Glostrup & University of Copenhagen, Denmark
| | - Gregers Wegener
- 2 Translational Neuropsychiatry Unit, Aarhus University and Hospital, Aarhus C, Denmark
| | - Albert Gjedde
- 1 Department of Nuclear Medicine and PET Center, Aarhus University and Hospital, Aarhus C, Denmark.,5 Center for Neuroscience, University of Copenhagen, Copenhagen, Denmark.,6 Department of Nuclear Medicine, University of Southern Denmark & Odense University Hospital, Odense, Denmark
| | - Doris J Doudet
- 1 Department of Nuclear Medicine and PET Center, Aarhus University and Hospital, Aarhus C, Denmark.,7 Department of Medicine/Neurology, University of British Columbia, Vancouver, BC, Canada
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