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Shen C, Shen B, Liu D, Han L, Zou K, Gan L, Ren J, Wu B, Tang Y, Zhao J, Sun Y, Liu F, Yu W, Yao H, Wu J, Wang J. Bidirectional regulation of levodopa-induced dyskinesia by a specific neural ensemble in globus pallidus external segment. Cell Rep Med 2024; 5:101566. [PMID: 38759649 PMCID: PMC11228392 DOI: 10.1016/j.xcrm.2024.101566] [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: 07/10/2023] [Revised: 02/15/2024] [Accepted: 04/19/2024] [Indexed: 05/19/2024]
Abstract
Levodopa-induced dyskinesia (LID) is an intractable motor complication arising in Parkinson's disease with the progression of disease and chronic treatment of levodopa. However, the specific cell assemblies mediating dyskinesia have not been fully elucidated. Here, we utilize the activity-dependent tool to identify three brain regions (globus pallidus external segment [GPe], parafascicular thalamic nucleus, and subthalamic nucleus) that specifically contain dyskinesia-activated ensembles. An intensity-dependent hyperactivity in the dyskinesia-activated subpopulation in GPe (GPeTRAPed in LID) is observed during dyskinesia. Optogenetic inhibition of GPeTRAPed in LID significantly ameliorates LID, whereas reactivation of GPeTRAPed in LID evokes dyskinetic behavior in the levodopa-off state. Simultaneous chemogenetic reactivation of GPeTRAPed in LID and another previously reported ensemble in striatum fully reproduces the dyskinesia induced by high-dose levodopa. Finally, we characterize GPeTRAPed in LID as a subset of prototypic neurons in GPe. These findings provide theoretical foundations for precision medication and modulation of LID in the future.
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Affiliation(s)
- Cong Shen
- Department of Neurology and National Research Center for Aging and Medicine & National Center for Neurological Disorders, State Key Laboratory of Medical Neurobiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Bo Shen
- Department of Neurology and National Research Center for Aging and Medicine & National Center for Neurological Disorders, State Key Laboratory of Medical Neurobiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Dechen Liu
- Institute of Neuroscience, State Key Laboratory of Neuroscience, Key Laboratory of Brain Cognition and Brain-inspired Intelligence Technology, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China
| | - Linlin Han
- Department of Neurology and National Research Center for Aging and Medicine & National Center for Neurological Disorders, State Key Laboratory of Medical Neurobiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Kexin Zou
- Institute of Neuroscience, State Key Laboratory of Neuroscience, Key Laboratory of Brain Cognition and Brain-inspired Intelligence Technology, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China
| | - Linhua Gan
- Department of Neurology and National Research Center for Aging and Medicine & National Center for Neurological Disorders, State Key Laboratory of Medical Neurobiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Jingyu Ren
- Institute of Neuroscience, State Key Laboratory of Neuroscience, Key Laboratory of Brain Cognition and Brain-inspired Intelligence Technology, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China
| | - Bin Wu
- Department of Neurology and National Research Center for Aging and Medicine & National Center for Neurological Disorders, State Key Laboratory of Medical Neurobiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Yilin Tang
- Department of Neurology and National Research Center for Aging and Medicine & National Center for Neurological Disorders, State Key Laboratory of Medical Neurobiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Jue Zhao
- Department of Neurology and National Research Center for Aging and Medicine & National Center for Neurological Disorders, State Key Laboratory of Medical Neurobiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Yimin Sun
- Department of Neurology and National Research Center for Aging and Medicine & National Center for Neurological Disorders, State Key Laboratory of Medical Neurobiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Fengtao Liu
- Department of Neurology and National Research Center for Aging and Medicine & National Center for Neurological Disorders, State Key Laboratory of Medical Neurobiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Wenbo Yu
- Department of Neurology and National Research Center for Aging and Medicine & National Center for Neurological Disorders, State Key Laboratory of Medical Neurobiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Haishan Yao
- Institute of Neuroscience, State Key Laboratory of Neuroscience, Key Laboratory of Brain Cognition and Brain-inspired Intelligence Technology, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China.
| | - Jianjun Wu
- Department of Neurology and National Research Center for Aging and Medicine & National Center for Neurological Disorders, State Key Laboratory of Medical Neurobiology, Huashan Hospital, Fudan University, Shanghai, China.
| | - Jian Wang
- Department of Neurology and National Research Center for Aging and Medicine & National Center for Neurological Disorders, State Key Laboratory of Medical Neurobiology, Huashan Hospital, Fudan University, Shanghai, China.
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Doppler CEJ, Seger A, Farrher E, Régio Brambilla C, Hensel L, Filss CP, Hellmich M, Gogishvili A, Shah NJ, Lerche CW, Neumaier B, Langen KJ, Fink GR, Sommerauer M. Glutamate Signaling in Patients With Parkinson Disease With REM Sleep Behavior Disorder. Neurology 2024; 102:e209271. [PMID: 38630966 DOI: 10.1212/wnl.0000000000209271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2024] Open
Abstract
BACKGROUND AND OBJECTIVES Clinical heterogeneity of patients with Parkinson disease (PD) is well recognized. PD with REM sleep behavior disorder (RBD) is a more malignant phenotype with faster motor progression and higher nonmotor symptom burden. However, the neural mechanisms underlying this clinical divergence concerning imbalances in neurotransmitter systems remain elusive. METHODS Combining magnetic resonance (MR) spectroscopy and [11C]ABP688 PET on a PET/MR hybrid system, we simultaneously investigated two different mechanisms of glutamate signaling in patients with PD. Patients were grouped according to their RBD status in overnight video-polysomnography and compared with age-matched and sex-matched healthy control (HC) participants. Total volumes of distribution (VT) of [11C]ABP688 were estimated with metabolite-corrected plasma concentrations during steady-state conditions between 45 and 60 minutes of the scan following a bolus-infusion protocol. Glutamate, glutamine, and glutathione levels were investigated with single-voxel stimulated echo acquisition mode MR spectroscopy of the left basal ganglia. RESULTS We measured globally elevated VT of [11C]ABP688 in 16 patients with PD and RBD compared with 17 patients without RBD and 15 HC participants (F(2,45) = 5.579, p = 0.007). Conversely, glutamatergic metabolites did not differ between groups and did not correlate with the regional VT of [11C]ABP688. VT of [11C]ABP688 correlated with the amount of REM sleep without atonia (F(1,42) = 5.600, p = 0.023) and with dopaminergic treatment response in patients with PD (F(1,30) = 5.823, p = 0.022). DISCUSSION Our results suggest that patients with PD and RBD exhibit altered glutamatergic signaling indicated by higher VT of [11C]ABP688 despite unaffected glutamate levels. The imbalance of glutamate receptors and MR spectroscopy glutamate metabolite levels indicates a novel mechanism contributing to the heterogeneity of PD and warrants further investigation of drugs targeting mGluR5.
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Affiliation(s)
- Christopher E J Doppler
- From the Cognitive Neuroscience (C.E.J.D., A.S., L.H., G.R.F., M.S.), Institute of Neuroscience and Medicine (INM-3), Forschungszentrum Jülich; Department of Neurology (C.E.J.D., A.S., L.H., G.R.F., M.S.), Faculty of Medicine and University Hospital Cologne, University of Cologne, Köln; Institute of Neuroscience and Medicine (INM-4) (E.F., C.R.B., A.G., N.J.S., C.W.L., K.-J.L.), Forschungszentrum Jülich; Department of Nuclear Medicine (C.P.F., K.-J.L.), RWTH University Hospital, Aachen; Institute of Medical Statistics and Computational Biology (M.H.), Faculty of Medicine and University Hospital of Cologne, University of Cologne; Faculty of Medicine (A.G.), RWTH Aachen University, Germany; Engineering Physics Department (A.G.), Georgian Technical University, Tbilisi, Georgia; Institute of Neuroscience and Medicine (INM-11) (N.J.S.), Molecular Neuroscience and Neuroimaging, JARA, Forschungszentrum Jülich; JARA-BRAIN-Translational Medicine (N.J.S.), Aachen; Department of Neurology (N.J.S.), RWTH Aachen University; and Institute of Neuroscience and Medicine (INM-5) (B.N.), Forschungszentrum Jülich, Germany
| | - Aline Seger
- From the Cognitive Neuroscience (C.E.J.D., A.S., L.H., G.R.F., M.S.), Institute of Neuroscience and Medicine (INM-3), Forschungszentrum Jülich; Department of Neurology (C.E.J.D., A.S., L.H., G.R.F., M.S.), Faculty of Medicine and University Hospital Cologne, University of Cologne, Köln; Institute of Neuroscience and Medicine (INM-4) (E.F., C.R.B., A.G., N.J.S., C.W.L., K.-J.L.), Forschungszentrum Jülich; Department of Nuclear Medicine (C.P.F., K.-J.L.), RWTH University Hospital, Aachen; Institute of Medical Statistics and Computational Biology (M.H.), Faculty of Medicine and University Hospital of Cologne, University of Cologne; Faculty of Medicine (A.G.), RWTH Aachen University, Germany; Engineering Physics Department (A.G.), Georgian Technical University, Tbilisi, Georgia; Institute of Neuroscience and Medicine (INM-11) (N.J.S.), Molecular Neuroscience and Neuroimaging, JARA, Forschungszentrum Jülich; JARA-BRAIN-Translational Medicine (N.J.S.), Aachen; Department of Neurology (N.J.S.), RWTH Aachen University; and Institute of Neuroscience and Medicine (INM-5) (B.N.), Forschungszentrum Jülich, Germany
| | - Ezequiel Farrher
- From the Cognitive Neuroscience (C.E.J.D., A.S., L.H., G.R.F., M.S.), Institute of Neuroscience and Medicine (INM-3), Forschungszentrum Jülich; Department of Neurology (C.E.J.D., A.S., L.H., G.R.F., M.S.), Faculty of Medicine and University Hospital Cologne, University of Cologne, Köln; Institute of Neuroscience and Medicine (INM-4) (E.F., C.R.B., A.G., N.J.S., C.W.L., K.-J.L.), Forschungszentrum Jülich; Department of Nuclear Medicine (C.P.F., K.-J.L.), RWTH University Hospital, Aachen; Institute of Medical Statistics and Computational Biology (M.H.), Faculty of Medicine and University Hospital of Cologne, University of Cologne; Faculty of Medicine (A.G.), RWTH Aachen University, Germany; Engineering Physics Department (A.G.), Georgian Technical University, Tbilisi, Georgia; Institute of Neuroscience and Medicine (INM-11) (N.J.S.), Molecular Neuroscience and Neuroimaging, JARA, Forschungszentrum Jülich; JARA-BRAIN-Translational Medicine (N.J.S.), Aachen; Department of Neurology (N.J.S.), RWTH Aachen University; and Institute of Neuroscience and Medicine (INM-5) (B.N.), Forschungszentrum Jülich, Germany
| | - Cláudia Régio Brambilla
- From the Cognitive Neuroscience (C.E.J.D., A.S., L.H., G.R.F., M.S.), Institute of Neuroscience and Medicine (INM-3), Forschungszentrum Jülich; Department of Neurology (C.E.J.D., A.S., L.H., G.R.F., M.S.), Faculty of Medicine and University Hospital Cologne, University of Cologne, Köln; Institute of Neuroscience and Medicine (INM-4) (E.F., C.R.B., A.G., N.J.S., C.W.L., K.-J.L.), Forschungszentrum Jülich; Department of Nuclear Medicine (C.P.F., K.-J.L.), RWTH University Hospital, Aachen; Institute of Medical Statistics and Computational Biology (M.H.), Faculty of Medicine and University Hospital of Cologne, University of Cologne; Faculty of Medicine (A.G.), RWTH Aachen University, Germany; Engineering Physics Department (A.G.), Georgian Technical University, Tbilisi, Georgia; Institute of Neuroscience and Medicine (INM-11) (N.J.S.), Molecular Neuroscience and Neuroimaging, JARA, Forschungszentrum Jülich; JARA-BRAIN-Translational Medicine (N.J.S.), Aachen; Department of Neurology (N.J.S.), RWTH Aachen University; and Institute of Neuroscience and Medicine (INM-5) (B.N.), Forschungszentrum Jülich, Germany
| | - Lukas Hensel
- From the Cognitive Neuroscience (C.E.J.D., A.S., L.H., G.R.F., M.S.), Institute of Neuroscience and Medicine (INM-3), Forschungszentrum Jülich; Department of Neurology (C.E.J.D., A.S., L.H., G.R.F., M.S.), Faculty of Medicine and University Hospital Cologne, University of Cologne, Köln; Institute of Neuroscience and Medicine (INM-4) (E.F., C.R.B., A.G., N.J.S., C.W.L., K.-J.L.), Forschungszentrum Jülich; Department of Nuclear Medicine (C.P.F., K.-J.L.), RWTH University Hospital, Aachen; Institute of Medical Statistics and Computational Biology (M.H.), Faculty of Medicine and University Hospital of Cologne, University of Cologne; Faculty of Medicine (A.G.), RWTH Aachen University, Germany; Engineering Physics Department (A.G.), Georgian Technical University, Tbilisi, Georgia; Institute of Neuroscience and Medicine (INM-11) (N.J.S.), Molecular Neuroscience and Neuroimaging, JARA, Forschungszentrum Jülich; JARA-BRAIN-Translational Medicine (N.J.S.), Aachen; Department of Neurology (N.J.S.), RWTH Aachen University; and Institute of Neuroscience and Medicine (INM-5) (B.N.), Forschungszentrum Jülich, Germany
| | - Christian P Filss
- From the Cognitive Neuroscience (C.E.J.D., A.S., L.H., G.R.F., M.S.), Institute of Neuroscience and Medicine (INM-3), Forschungszentrum Jülich; Department of Neurology (C.E.J.D., A.S., L.H., G.R.F., M.S.), Faculty of Medicine and University Hospital Cologne, University of Cologne, Köln; Institute of Neuroscience and Medicine (INM-4) (E.F., C.R.B., A.G., N.J.S., C.W.L., K.-J.L.), Forschungszentrum Jülich; Department of Nuclear Medicine (C.P.F., K.-J.L.), RWTH University Hospital, Aachen; Institute of Medical Statistics and Computational Biology (M.H.), Faculty of Medicine and University Hospital of Cologne, University of Cologne; Faculty of Medicine (A.G.), RWTH Aachen University, Germany; Engineering Physics Department (A.G.), Georgian Technical University, Tbilisi, Georgia; Institute of Neuroscience and Medicine (INM-11) (N.J.S.), Molecular Neuroscience and Neuroimaging, JARA, Forschungszentrum Jülich; JARA-BRAIN-Translational Medicine (N.J.S.), Aachen; Department of Neurology (N.J.S.), RWTH Aachen University; and Institute of Neuroscience and Medicine (INM-5) (B.N.), Forschungszentrum Jülich, Germany
| | - Martin Hellmich
- From the Cognitive Neuroscience (C.E.J.D., A.S., L.H., G.R.F., M.S.), Institute of Neuroscience and Medicine (INM-3), Forschungszentrum Jülich; Department of Neurology (C.E.J.D., A.S., L.H., G.R.F., M.S.), Faculty of Medicine and University Hospital Cologne, University of Cologne, Köln; Institute of Neuroscience and Medicine (INM-4) (E.F., C.R.B., A.G., N.J.S., C.W.L., K.-J.L.), Forschungszentrum Jülich; Department of Nuclear Medicine (C.P.F., K.-J.L.), RWTH University Hospital, Aachen; Institute of Medical Statistics and Computational Biology (M.H.), Faculty of Medicine and University Hospital of Cologne, University of Cologne; Faculty of Medicine (A.G.), RWTH Aachen University, Germany; Engineering Physics Department (A.G.), Georgian Technical University, Tbilisi, Georgia; Institute of Neuroscience and Medicine (INM-11) (N.J.S.), Molecular Neuroscience and Neuroimaging, JARA, Forschungszentrum Jülich; JARA-BRAIN-Translational Medicine (N.J.S.), Aachen; Department of Neurology (N.J.S.), RWTH Aachen University; and Institute of Neuroscience and Medicine (INM-5) (B.N.), Forschungszentrum Jülich, Germany
| | - Ana Gogishvili
- From the Cognitive Neuroscience (C.E.J.D., A.S., L.H., G.R.F., M.S.), Institute of Neuroscience and Medicine (INM-3), Forschungszentrum Jülich; Department of Neurology (C.E.J.D., A.S., L.H., G.R.F., M.S.), Faculty of Medicine and University Hospital Cologne, University of Cologne, Köln; Institute of Neuroscience and Medicine (INM-4) (E.F., C.R.B., A.G., N.J.S., C.W.L., K.-J.L.), Forschungszentrum Jülich; Department of Nuclear Medicine (C.P.F., K.-J.L.), RWTH University Hospital, Aachen; Institute of Medical Statistics and Computational Biology (M.H.), Faculty of Medicine and University Hospital of Cologne, University of Cologne; Faculty of Medicine (A.G.), RWTH Aachen University, Germany; Engineering Physics Department (A.G.), Georgian Technical University, Tbilisi, Georgia; Institute of Neuroscience and Medicine (INM-11) (N.J.S.), Molecular Neuroscience and Neuroimaging, JARA, Forschungszentrum Jülich; JARA-BRAIN-Translational Medicine (N.J.S.), Aachen; Department of Neurology (N.J.S.), RWTH Aachen University; and Institute of Neuroscience and Medicine (INM-5) (B.N.), Forschungszentrum Jülich, Germany
| | - N Jon Shah
- From the Cognitive Neuroscience (C.E.J.D., A.S., L.H., G.R.F., M.S.), Institute of Neuroscience and Medicine (INM-3), Forschungszentrum Jülich; Department of Neurology (C.E.J.D., A.S., L.H., G.R.F., M.S.), Faculty of Medicine and University Hospital Cologne, University of Cologne, Köln; Institute of Neuroscience and Medicine (INM-4) (E.F., C.R.B., A.G., N.J.S., C.W.L., K.-J.L.), Forschungszentrum Jülich; Department of Nuclear Medicine (C.P.F., K.-J.L.), RWTH University Hospital, Aachen; Institute of Medical Statistics and Computational Biology (M.H.), Faculty of Medicine and University Hospital of Cologne, University of Cologne; Faculty of Medicine (A.G.), RWTH Aachen University, Germany; Engineering Physics Department (A.G.), Georgian Technical University, Tbilisi, Georgia; Institute of Neuroscience and Medicine (INM-11) (N.J.S.), Molecular Neuroscience and Neuroimaging, JARA, Forschungszentrum Jülich; JARA-BRAIN-Translational Medicine (N.J.S.), Aachen; Department of Neurology (N.J.S.), RWTH Aachen University; and Institute of Neuroscience and Medicine (INM-5) (B.N.), Forschungszentrum Jülich, Germany
| | - Christoph W Lerche
- From the Cognitive Neuroscience (C.E.J.D., A.S., L.H., G.R.F., M.S.), Institute of Neuroscience and Medicine (INM-3), Forschungszentrum Jülich; Department of Neurology (C.E.J.D., A.S., L.H., G.R.F., M.S.), Faculty of Medicine and University Hospital Cologne, University of Cologne, Köln; Institute of Neuroscience and Medicine (INM-4) (E.F., C.R.B., A.G., N.J.S., C.W.L., K.-J.L.), Forschungszentrum Jülich; Department of Nuclear Medicine (C.P.F., K.-J.L.), RWTH University Hospital, Aachen; Institute of Medical Statistics and Computational Biology (M.H.), Faculty of Medicine and University Hospital of Cologne, University of Cologne; Faculty of Medicine (A.G.), RWTH Aachen University, Germany; Engineering Physics Department (A.G.), Georgian Technical University, Tbilisi, Georgia; Institute of Neuroscience and Medicine (INM-11) (N.J.S.), Molecular Neuroscience and Neuroimaging, JARA, Forschungszentrum Jülich; JARA-BRAIN-Translational Medicine (N.J.S.), Aachen; Department of Neurology (N.J.S.), RWTH Aachen University; and Institute of Neuroscience and Medicine (INM-5) (B.N.), Forschungszentrum Jülich, Germany
| | - Bernd Neumaier
- From the Cognitive Neuroscience (C.E.J.D., A.S., L.H., G.R.F., M.S.), Institute of Neuroscience and Medicine (INM-3), Forschungszentrum Jülich; Department of Neurology (C.E.J.D., A.S., L.H., G.R.F., M.S.), Faculty of Medicine and University Hospital Cologne, University of Cologne, Köln; Institute of Neuroscience and Medicine (INM-4) (E.F., C.R.B., A.G., N.J.S., C.W.L., K.-J.L.), Forschungszentrum Jülich; Department of Nuclear Medicine (C.P.F., K.-J.L.), RWTH University Hospital, Aachen; Institute of Medical Statistics and Computational Biology (M.H.), Faculty of Medicine and University Hospital of Cologne, University of Cologne; Faculty of Medicine (A.G.), RWTH Aachen University, Germany; Engineering Physics Department (A.G.), Georgian Technical University, Tbilisi, Georgia; Institute of Neuroscience and Medicine (INM-11) (N.J.S.), Molecular Neuroscience and Neuroimaging, JARA, Forschungszentrum Jülich; JARA-BRAIN-Translational Medicine (N.J.S.), Aachen; Department of Neurology (N.J.S.), RWTH Aachen University; and Institute of Neuroscience and Medicine (INM-5) (B.N.), Forschungszentrum Jülich, Germany
| | - Karl-Josef Langen
- From the Cognitive Neuroscience (C.E.J.D., A.S., L.H., G.R.F., M.S.), Institute of Neuroscience and Medicine (INM-3), Forschungszentrum Jülich; Department of Neurology (C.E.J.D., A.S., L.H., G.R.F., M.S.), Faculty of Medicine and University Hospital Cologne, University of Cologne, Köln; Institute of Neuroscience and Medicine (INM-4) (E.F., C.R.B., A.G., N.J.S., C.W.L., K.-J.L.), Forschungszentrum Jülich; Department of Nuclear Medicine (C.P.F., K.-J.L.), RWTH University Hospital, Aachen; Institute of Medical Statistics and Computational Biology (M.H.), Faculty of Medicine and University Hospital of Cologne, University of Cologne; Faculty of Medicine (A.G.), RWTH Aachen University, Germany; Engineering Physics Department (A.G.), Georgian Technical University, Tbilisi, Georgia; Institute of Neuroscience and Medicine (INM-11) (N.J.S.), Molecular Neuroscience and Neuroimaging, JARA, Forschungszentrum Jülich; JARA-BRAIN-Translational Medicine (N.J.S.), Aachen; Department of Neurology (N.J.S.), RWTH Aachen University; and Institute of Neuroscience and Medicine (INM-5) (B.N.), Forschungszentrum Jülich, Germany
| | - Gereon R Fink
- From the Cognitive Neuroscience (C.E.J.D., A.S., L.H., G.R.F., M.S.), Institute of Neuroscience and Medicine (INM-3), Forschungszentrum Jülich; Department of Neurology (C.E.J.D., A.S., L.H., G.R.F., M.S.), Faculty of Medicine and University Hospital Cologne, University of Cologne, Köln; Institute of Neuroscience and Medicine (INM-4) (E.F., C.R.B., A.G., N.J.S., C.W.L., K.-J.L.), Forschungszentrum Jülich; Department of Nuclear Medicine (C.P.F., K.-J.L.), RWTH University Hospital, Aachen; Institute of Medical Statistics and Computational Biology (M.H.), Faculty of Medicine and University Hospital of Cologne, University of Cologne; Faculty of Medicine (A.G.), RWTH Aachen University, Germany; Engineering Physics Department (A.G.), Georgian Technical University, Tbilisi, Georgia; Institute of Neuroscience and Medicine (INM-11) (N.J.S.), Molecular Neuroscience and Neuroimaging, JARA, Forschungszentrum Jülich; JARA-BRAIN-Translational Medicine (N.J.S.), Aachen; Department of Neurology (N.J.S.), RWTH Aachen University; and Institute of Neuroscience and Medicine (INM-5) (B.N.), Forschungszentrum Jülich, Germany
| | - Michael Sommerauer
- From the Cognitive Neuroscience (C.E.J.D., A.S., L.H., G.R.F., M.S.), Institute of Neuroscience and Medicine (INM-3), Forschungszentrum Jülich; Department of Neurology (C.E.J.D., A.S., L.H., G.R.F., M.S.), Faculty of Medicine and University Hospital Cologne, University of Cologne, Köln; Institute of Neuroscience and Medicine (INM-4) (E.F., C.R.B., A.G., N.J.S., C.W.L., K.-J.L.), Forschungszentrum Jülich; Department of Nuclear Medicine (C.P.F., K.-J.L.), RWTH University Hospital, Aachen; Institute of Medical Statistics and Computational Biology (M.H.), Faculty of Medicine and University Hospital of Cologne, University of Cologne; Faculty of Medicine (A.G.), RWTH Aachen University, Germany; Engineering Physics Department (A.G.), Georgian Technical University, Tbilisi, Georgia; Institute of Neuroscience and Medicine (INM-11) (N.J.S.), Molecular Neuroscience and Neuroimaging, JARA, Forschungszentrum Jülich; JARA-BRAIN-Translational Medicine (N.J.S.), Aachen; Department of Neurology (N.J.S.), RWTH Aachen University; and Institute of Neuroscience and Medicine (INM-5) (B.N.), Forschungszentrum Jülich, Germany
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Cardoso F, Tolosa E. Fluctuations in Parkinson's disease: progress and challenges. Lancet Neurol 2024; 23:448-449. [PMID: 38499016 DOI: 10.1016/s1474-4422(24)00116-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 03/07/2024] [Indexed: 03/20/2024]
Affiliation(s)
- Francisco Cardoso
- Movement Disorders Unit, Neurology Service, Internal Medicine Department, The Federal University of Minas Gerais, Belo Horizonte 30150-290, Brazil.
| | - Eduardo Tolosa
- Institut d'Investigacions Biomediques August Pi i Sunyer, Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas, Barcelona, Spain
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Zhang Y, Zhu XB, Gan J, Song L, Qi C, Wu N, Wan Y, Hou M, Liu Z. Impulse control behaviors and apathy commonly co-occur in de novo Parkinson's disease and predict the incidence of levodopa-induced dyskinesia. J Affect Disord 2024; 351:895-903. [PMID: 38342317 DOI: 10.1016/j.jad.2024.02.013] [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] [Received: 05/18/2023] [Revised: 01/24/2024] [Accepted: 02/06/2024] [Indexed: 02/13/2024]
Abstract
OBJECTIVE Impulse control behaviors (ICBs) and apathy are believed to represent opposite motivational expressions of the same behavioral spectrum involving hypo- and hyperdopaminergic status, but this has been recently debated. Our study aims to estimate the co-occurrence of ICBs and apathy in early Parkinson's disease (PD) and to determine whether this complex neuropsychiatric condition is an important marker of PD prognoses. METHODS Neuropsychiatric symptoms, clinical data, neuroimaging results, and demographic data from de novo PD patients were obtained from the Parkinson's Progression Markers Initiative, a prospective, multicenter, observational cohort. The clinical characteristics of ICBs co-occurring with apathy and their prevalence were analyzed. We compared the prognoses of the different groups during the 8-year follow-up. Multivariate Cox regression analysis was conducted to predict the development of levodopa-induced dyskinesia (LID) using baseline neuropsychiatric symptoms. RESULTS A total of 422 PD patients and 195 healthy controls (HCs) were included. In brief, 87 (20.6 %) de novo PD patients and 37 (19.0 %) HCs had ICBs at baseline. Among them, 23 (26.4 %) de novo PD patients and 3 (8.1 %) HCs had clinical symptoms of both ICBs and apathy. The ICBs and apathy group had more severe non-motor symptoms than the isolated ICBs group. Cox regression analysis demonstrated that the co-occurrence of ICBs and apathy was a risk factor for LID development (HR 2.229, 95 % CI 1.209 to 4.110, p = 0.010). CONCLUSIONS Co-occurrence of ICBs and apathy is common in patients with early PD and may help to identify the risk of LID development.
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Affiliation(s)
- Yu Zhang
- Department of Neurology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 1665 Kong jiang Road, Shanghai 200092, People's Republic of China
| | - Xiao Bo Zhu
- Department of Neurology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 1665 Kong jiang Road, Shanghai 200092, People's Republic of China; Department of Neurology, QingPu Branch of Zhongshan Hospital Affiliated to Fudan University, 1158 Gong yuan East Road, Shanghai 201700, People's Republic of China
| | - Jing Gan
- Department of Neurology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 1665 Kong jiang Road, Shanghai 200092, People's Republic of China
| | - Lu Song
- Department of Neurology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 1665 Kong jiang Road, Shanghai 200092, People's Republic of China
| | - Chen Qi
- Department of Neurology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 1665 Kong jiang Road, Shanghai 200092, People's Republic of China
| | - Na Wu
- Department of Neurology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 1665 Kong jiang Road, Shanghai 200092, People's Republic of China
| | - Ying Wan
- Department of Neurology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 1665 Kong jiang Road, Shanghai 200092, People's Republic of China
| | - Miaomiao Hou
- Department of Neurology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 1665 Kong jiang Road, Shanghai 200092, People's Republic of China
| | - Zhenguo Liu
- Department of Neurology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 1665 Kong jiang Road, Shanghai 200092, People's Republic of China.
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5
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Yao L, Yang Y, Yang X, Rezaei MJ. The Interaction Between Nutraceuticals and Gut Microbiota: a Novel Therapeutic Approach to Prevent and Treatment Parkinson's Disease. Mol Neurobiol 2024:10.1007/s12035-024-04151-2. [PMID: 38587699 DOI: 10.1007/s12035-024-04151-2] [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: 12/12/2023] [Accepted: 03/25/2024] [Indexed: 04/09/2024]
Abstract
Parkinson's disease (PD) is a complex neurodegenerative disorder characterized by the progressive loss of dopaminergic neurons, leading to motor and non-motor symptoms. Emerging research has shed light on the role of gut microbiota in the pathogenesis and progression of PD. Nutraceuticals such as curcumin, berberine, phytoestrogens, polyphenols (e.g., resveratrol, EGCG, and fisetin), dietary fibers have been shown to influence gut microbiota composition and function, restoring microbial balance and enhancing the gut-brain axis. The mechanisms underlying these benefits involve microbial metabolite production, restoration of gut barrier integrity, and modulation of neuroinflammatory pathways. Additionally, probiotics and prebiotics have shown potential in promoting gut health, influencing the gut microbiome, and alleviating PD symptoms. They can enhance the gut's antioxidant capacity of the gut, reduce inflammation, and maintain immune homeostasis, contributing to a neuroprotective environment. This paper provides an overview of the current state of knowledge regarding the potential of nutraceuticals and gut microbiota modulation in the prevention and management of Parkinson's disease, emphasizing the need for further research and clinical trials to validate their effectiveness and safety. The findings suggest that a multifaceted approach involving nutraceuticals and gut microbiota may open new avenues for addressing the challenges of PD and improving the quality of life for affected individuals.
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Affiliation(s)
- Liyan Yao
- School of Public Health, Mudanjiang Medical University, Mudanjiang, 157011, China
| | - Yong Yang
- School of Public Health, Mudanjiang Medical University, Mudanjiang, 157011, China
| | - Xiaowei Yang
- School of Public Health, Mudanjiang Medical University, Mudanjiang, 157011, China.
| | - Mohammad J Rezaei
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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6
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Huang YT, Chen YW, Lin TY, Chen JC. Suppression of presynaptic corticostriatal glutamate activity attenuates L-dopa-induced dyskinesia in 6-OHDA-lesioned Parkinson's disease mice. Neurobiol Dis 2024; 193:106452. [PMID: 38401650 DOI: 10.1016/j.nbd.2024.106452] [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: 09/18/2023] [Revised: 02/21/2024] [Accepted: 02/21/2024] [Indexed: 02/26/2024] Open
Abstract
A common adverse effect of Parkinson's disease (PD) treatment is L-dopa-induced dyskinesia (LID). This condition results from both dopamine (DA)-dependent and DA-independent mechanisms, as glutamate inputs from corticostriatal projection neurons impact DA-responsive medium spiny neurons in the striatum to cause the dyskinetic behaviors. In this study, we explored whether suppression of presynaptic corticostriatal glutamate inputs might affect the behavioral and biochemical outcomes associated with LID. We first established an animal model in which 6-hydroxydopamine (6-OHDA)-lesioned mice were treated daily with L-dopa (10 mg/kg, i.p.) for 2 weeks; these mice developed stereotypical abnormal involuntary movements (AIMs). When the mice were pretreated with the NMDA antagonist, amantadine, we observed suppression of AIMs and reductions of phosphorylated ERK1/2 and NR2B in the striatum. We then took an optogenetic approach to manipulate glutamatergic activity. Slc17a6 (vGluT2)-Cre mice were injected with pAAV5-Ef1a-DIO-eNpHR3.0-mCherry and received optic fiber implants in either the M1 motor cortex or dorsolateral striatum. Optogenetic inactivation at either optic fiber implant location could successfully reduce the intensity of AIMs after 6-OHDA lesioning and L-dopa treatment. Both optical manipulation strategies also suppressed phospho-ERK1/2 and phospho-NR2B signals in the striatum. Finally, we performed intrastriatal injections of LDN 212320 in the dyskenesic mice to enhance expression of glutamate uptake transporter GLT-1. Sixteen hours after the LDN 212320 treatment, L-dopa-induced AIMs were reduced along with the levels of striatal phospho-ERK1/2 and phospho-NR2B. Together, our results affirm a critical role of corticostriatal glutamate neurons in LID and strongly suggest that diminishing synaptic glutamate, either by suppression of neuronal activity or by upregulation of GLT-1, could be an effective approach for managing LID.
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Affiliation(s)
- Yu-Ting Huang
- Graduate Institute of Biomedical Sciences, School of Medicine, Chang-Gung University, Taoyuan, Taiwan
| | - Ya-Wen Chen
- Graduate Institute of Biomedical Sciences, School of Medicine, Chang-Gung University, Taoyuan, Taiwan
| | - Tze-Yen Lin
- Department and Graduate Institute of Physiology, National Taiwan University, College of Medicine, Taipei, Taiwan
| | - Jin-Chung Chen
- Graduate Institute of Biomedical Sciences, School of Medicine, Chang-Gung University, Taoyuan, Taiwan; Department of Physiology and Pharmacology, Healthy Ageing Research Center, Chang-Gung University, Taiwan; Neuroscience Research Center and Department of Psychiatry, Chang-Gung Memorial Hospitall, Linkou, Taiwan.
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7
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Ribeiro DL, Guimarães RP, Bariotto-Dos-Santos K, Del Bel E, Padovan-Neto FE. Sodium nitroprusside enhances stepping test performance and increases medium spiny neurons responsiveness to cortical inputs in a rat model of Levodopa-induced dyskinesias. Eur J Neurosci 2024; 59:1604-1620. [PMID: 38359910 DOI: 10.1111/ejn.16259] [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: 08/08/2023] [Revised: 01/03/2024] [Accepted: 01/04/2024] [Indexed: 02/17/2024]
Abstract
Levodopa (L-DOPA) is the classical gold standard treatment for Parkinson's disease. However, its chronic administration can lead to the development of L-DOPA-induced dyskinesias (LIDs). Dysregulation of the nitric oxide-cyclic guanosine monophosphate pathway in striatal networks has been linked to deficits in corticostriatal transmission in LIDs. This study investigated the effects of the nitric oxide (NO) donor sodium nitroprusside (SNP) on behavioural and electrophysiological outcomes in sham-operated and 6-hydroxydopamine-lesioned rats chronically treated with vehicle or L-DOPA, respectively. In sham-operated animals, systemic administration of SNP increased the spike probability of putative striatal medium spiny neurons (MSNs) in response to electrical stimulation of the primary motor cortex. In 6-hydroxydopamine-lesioned animals, SNP improved the stepping test performance without exacerbating abnormal involuntary movements. Additionally, SNP significantly increased the responsiveness of putative striatal MSNs in the dyskinetic striatum. These findings highlight the critical role of the NO signalling pathway in facilitating the responsiveness of striatal MSNs in both the intact and dyskinetic striata. The study suggests that SNP has the potential to enhance L-DOPA's effects in the stepping test without exacerbating abnormal involuntary movements, thereby offering new possibilities for optimizing Parkinson's disease therapy. In conclusion, this study highlights the involvement of the NO signalling pathway in the pathophysiology of LIDs.
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Affiliation(s)
- Danilo Leandro Ribeiro
- Department of Psychology, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Rayanne Poletti Guimarães
- Department of Psychology, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Keila Bariotto-Dos-Santos
- Department of Psychology, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Elaine Del Bel
- Department of Basic and Oral Biology, Faculty of Odontology of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Fernando E Padovan-Neto
- Department of Psychology, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
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8
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Gupta HV, Lenka A, Dhamija RK, Fasano A. A video-atlas of levodopa-induced dyskinesia in Parkinson's disease: terminology matters. Neurol Sci 2024; 45:1389-1397. [PMID: 37987930 DOI: 10.1007/s10072-023-07209-6] [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: 08/13/2023] [Accepted: 11/15/2023] [Indexed: 11/22/2023]
Abstract
Dyskinesia is a common complication of long-term levodopa therapy in patients with Parkinson's disease (PD), which often worsens the quality of life. It is usually dose-dependent and emerges possibly due to pulsatile stimulation of dopamine receptors. Delineating the pattern of dyskinesia is crucial for determining the most effective therapeutic approach, a task that often presents challenges for numerous neurologists. This article comprehensively describes various patterns of dyskinesia in PD patients and features video demonstration of some of the common forms of dyskinesia. We have used a real case scenario as an example to lead the discussion on the phenomenology, distinguishing features, and management of various types of dyskinesia. A comprehensive literature search was conducted in PubMed using "dyskinesia" as a keyword. The prototype case with videos highlights the differentiating features of dyskinesia along with the treatment strategies. A wide range of descriptive rubrics have been used for certain dyskinesia which are described in detail in this article. The newer types of dyskinesia associated with continuous dopaminergic stimulation in patients with advanced PD and their implications have been described. As there are distinct ways of managing various types of dyskinesia, understanding the phenomenology and chronology of dyskinesia is vital for the optimal management of dyskinetic PD patients. We suggest that dyskinesia should be classified broadly into peak-dose dyskinesia (PDD), biphasic dyskinesia (BD), and OFF-period dystonia. The occurrence of low-dose dyskinesia and complex dyskinesia of continuous dopaminergic treatments should be known to specialists and will require additional studies.
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Affiliation(s)
- Harsh V Gupta
- Department of Neurology, Memorial Healthcare System, Hollywood, FL, USA.
| | - Abhishek Lenka
- Department of Neurology, Baylor College of Medicine, Houston, TX, USA
| | - Rajinder K Dhamija
- Department of Neurology, Institute of Human Behaviour and Allied Sciences, New Delhi, India
| | - Alfonso Fasano
- Edmond J. Safra Program in Parkinson's Disease, Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Toronto, ON, Canada
- Division of Neurology, University of Toronto, Toronto, ON, Canada
- Krembil Brain Institute, Toronto, ON, Canada
- Center for Advancing Neurotechnological Innovation to Application (CRANIA), Toronto, Canada
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9
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Menon PJ, Sambin S, Criniere-Boizet B, Courtin T, Tesson C, Casse F, Ferrien M, Mariani LL, Carvalho S, Lejeune FX, Rebbah S, Martet G, Houot M, Lanore A, Mangone G, Roze E, Vidailhet M, Aasly J, Gan Or Z, Yu E, Dauvilliers Y, Zimprich A, Tomantschger V, Pirker W, Álvarez I, Pastor P, Di Fonzo A, Bhatia KP, Magrinelli F, Houlden H, Real R, Quattrone A, Limousin P, Korlipara P, Foltynie T, Grosset D, Williams N, Narendra D, Lin HP, Jovanovic C, Svetel M, Lynch T, Gallagher A, Vandenberghe W, Gasser T, Brockmann K, Morris HR, Borsche M, Klein C, Corti O, Brice A, Lesage S, Corvol JC. Genotype-phenotype correlation in PRKN-associated Parkinson's disease. NPJ Parkinsons Dis 2024; 10:72. [PMID: 38553467 PMCID: PMC10980707 DOI: 10.1038/s41531-024-00677-3] [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: 06/26/2023] [Accepted: 03/07/2024] [Indexed: 04/02/2024] Open
Abstract
Bi-allelic pathogenic variants in PRKN are the most common cause of autosomal recessive Parkinson's disease (PD). 647 patients with PRKN-PD were included in this international study. The pathogenic variants present were characterised and investigated for their effect on phenotype. Clinical features and progression of PRKN-PD was also assessed. Among 133 variants in index cases (n = 582), there were 58 (43.6%) structural variants, 34 (25.6%) missense, 20 (15%) frameshift, 10 splice site (7.5%%), 9 (6.8%) nonsense and 2 (1.5%) indels. The most frequent variant overall was an exon 3 deletion (n = 145, 12.3%), followed by the p.R275W substitution (n = 117, 10%). Exon3, RING0 protein domain and the ubiquitin-like protein domain were mutational hotspots with 31%, 35.4% and 31.7% of index cases presenting mutations in these regions respectively. The presence of a frameshift or structural variant was associated with a 3.4 ± 1.6 years or a 4.7 ± 1.6 years earlier age at onset of PRKN-PD respectively (p < 0.05). Furthermore, variants located in the N-terminus of the protein, a region enriched with frameshift variants, were associated with an earlier age at onset. The phenotype of PRKN-PD was characterised by slow motor progression, preserved cognition, an excellent motor response to levodopa therapy and later development of motor complications compared to early-onset PD. Non-motor symptoms were however common in PRKN-PD. Our findings on the relationship between the type of variant in PRKN and the phenotype of the disease may have implications for both genetic counselling and the design of precision clinical trials.
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Affiliation(s)
- Poornima Jayadev Menon
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France.
- Assistance Publique Hôpitaux de Paris, Department of Neurology, CIC Neurosciences, Hôpital Pitié-Salpêtrière, Paris, France.
- School of Postgraduate Studies, Royal College of Surgeons in Ireland, Dublin, Ireland.
| | - Sara Sambin
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
- Assistance Publique Hôpitaux de Paris, Department of Neurology, CIC Neurosciences, Hôpital Pitié-Salpêtrière, Paris, France
| | - Baptiste Criniere-Boizet
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
| | - Thomas Courtin
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
- Assistance Publique Hôpitaux de Paris, Department of Genetics, Hôpital Pitié-Salpêtrière, Paris, France
| | - Christelle Tesson
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
| | - Fanny Casse
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
| | - Melanie Ferrien
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
| | - Louise-Laure Mariani
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
- Assistance Publique Hôpitaux de Paris, Department of Neurology, CIC Neurosciences, Hôpital Pitié-Salpêtrière, Paris, France
| | - Stephanie Carvalho
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
| | - Francois-Xavier Lejeune
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
| | - Sana Rebbah
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
| | - Gaspard Martet
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
| | - Marion Houot
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
- Assistance Publique Hôpitaux de Paris, Department of Neurology, CIC Neurosciences, Hôpital Pitié-Salpêtrière, Paris, France
- Centre of Excellence of Neurodegenerative Disease (CoEN), AP-HP, Pitié-Salpêtrière Hospital, Paris, France
- Institute of Memory and Alzheimer's Disease (IM2A), Department of Neurology, AP-HP, Pitié-Salpêtrière Hospital, Paris, France
| | - Aymeric Lanore
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
- Assistance Publique Hôpitaux de Paris, Department of Neurology, CIC Neurosciences, Hôpital Pitié-Salpêtrière, Paris, France
| | - Graziella Mangone
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
- Assistance Publique Hôpitaux de Paris, Department of Neurology, CIC Neurosciences, Hôpital Pitié-Salpêtrière, Paris, France
- Department of Neurology, Movement Disorder Division, Rush University Medical Center, 1725 W. Harrison Street, Chicago, IL, USA
| | - Emmanuel Roze
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
- Assistance Publique Hôpitaux de Paris, Department of Neurology, CIC Neurosciences, Hôpital Pitié-Salpêtrière, Paris, France
| | - Marie Vidailhet
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
- Assistance Publique Hôpitaux de Paris, Department of Neurology, CIC Neurosciences, Hôpital Pitié-Salpêtrière, Paris, France
| | - Jan Aasly
- Department of Neurology, Norwegian University of Science and Technology, Trondheim, Norway
| | - Ziv Gan Or
- The Neuro (Montreal Neurological Institute-Hospital), McGill University, Montreal, QC, Canada
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
- Department of Human Genetics, McGill University, Montreal, QC, Canada
| | - Eric Yu
- The Neuro (Montreal Neurological Institute-Hospital), McGill University, Montreal, QC, Canada
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
- Department of Human Genetics, McGill University, Montreal, QC, Canada
| | - Yves Dauvilliers
- Department of Neurology, Gui-de-Chauliac Hospital, CHU Montpellier, University of Montpellier, Institute for Neurosciences of Montpellier (INM), INSERM, Montpellier, France
| | | | | | - Walter Pirker
- Department of Neurology, Ottakring Clinic, Vienna, Austria
| | - Ignacio Álvarez
- Department of Neurology, Hospital Universitari Mutua de Terrassa, and Fundació per a la Recerca Biomèdica i Social Mútua de Terrassa, Terrassa, Barcelona, Spain
| | - Pau Pastor
- Unit of Neurodegenerative diseases, Department of Neurology, University Hospital Germans Trias i Pujol and The Germans Trias i Pujol Research Institute (IGTP) Badalona, Barcelona, Spain
| | - Alessio Di Fonzo
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Kailash P Bhatia
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Francesca Magrinelli
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Henry Houlden
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, London, UK
| | - Raquel Real
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK
- UCL Movement Disorders Centre, University College London, London, UK
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
| | - Andrea Quattrone
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK
- Institute of Neurology, Department of Medical and Surgical Sciences, Magna Graecia University of Catanzaro, Catanzaro, Italy
| | - Patricia Limousin
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Prasad Korlipara
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Thomas Foltynie
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Donald Grosset
- Institute of Neurological Sciences, University of Glasgow, Glasgow, UK
| | - Nigel Williams
- Department of Psychological Medicine and Neurology, Cardiff University, Cardiff, UK
| | - Derek Narendra
- Inherited Disorders Unit, Neurogenetics Branch, Division of Intramural Research, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Hsin-Pin Lin
- Inherited Disorders Unit, Neurogenetics Branch, Division of Intramural Research, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Carna Jovanovic
- University Clinical Center of Serbia, Neurology Clinic, Belgrade, Serbia
| | - Marina Svetel
- University Clinical Center of Serbia, Neurology Clinic, Belgrade, Serbia
| | - Timothy Lynch
- The Dublin Neurological Institute at the Mater Misericordiae University Hospital, Dublin Ireland and University College Dublin, Dublin, Ireland
| | - Amy Gallagher
- The Dublin Neurological Institute at the Mater Misericordiae University Hospital, Dublin Ireland and University College Dublin, Dublin, Ireland
| | - Wim Vandenberghe
- Department of Neurology, University Hospitals Leuven; Department of Neurosciences, KU Leuven; Leuven Brain Institute, Leuven, Belgium
| | - Thomas Gasser
- Department of Neurodegenerative Diseases, Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
- DZNE, German Center for Neurodegenerative Diseases, Tübingen, Germany
| | - Kathrin Brockmann
- Department of Neurodegenerative Diseases, Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
- DZNE, German Center for Neurodegenerative Diseases, Tübingen, Germany
| | - Huw R Morris
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Max Borsche
- Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | - Christine Klein
- Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | - Olga Corti
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
| | - Alexis Brice
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
- Assistance Publique Hôpitaux de Paris, Department of Genetics, Hôpital Pitié-Salpêtrière, Paris, France
| | - Suzanne Lesage
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
| | - Jean Christophe Corvol
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute - ICM, Inserm, CNRS, Paris, France
- Assistance Publique Hôpitaux de Paris, Department of Neurology, CIC Neurosciences, Hôpital Pitié-Salpêtrière, Paris, France
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10
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Cao X, Gan C, Zhang H, Yuan Y, Sun H, Zhang L, Wang L, Zhang L, Zhang K. Altered perivascular spaces in subcortical white matter in Parkinson's disease patients with levodopa-induced dyskinesia. NPJ Parkinsons Dis 2024; 10:71. [PMID: 38548788 PMCID: PMC10978930 DOI: 10.1038/s41531-024-00688-0] [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: 09/05/2023] [Accepted: 03/15/2024] [Indexed: 04/01/2024] Open
Abstract
Dilated perivascular spaces (PVS) have emerged as a pathological hallmark in various neurological conditions, including Parkinson's disease (PD). Levodopa-induced dyskinesia (LID), an intractable motor complication of PD, remains enigmatic regarding the distribution patterns of PVS. Our objective was to scrutinize the percent PVS (pPVS) changes within PD patients with LID (PD-LID). In total, 132 individuals were enrolled, including PD-LID (n = 42), PD patients without LID (PD-nLID, n = 45), and healthy controls (HCs, n = 45). Employing an automated approach for PVS quantification based on structural magnetic resonance imaging, we comprehensively evaluated total pPVS in subcortical white matter globally and regionally. A significant increase in global pPVS was observed in PD patients versus HCs, particularly evident in PD-LID relative to HCs. Within the PD-LID group, elevated pPVS was discerned in the right inferior frontal gyrus region (rIFG) (pars opercularis), contrasting with PD-nLID and HCs. Moreover, PD patients exhibited increased pPVS in bilateral superior temporal regions compared to HCs. Notably, pPVS in the rIFG positively correlated with dyskinetic symptoms and could well identify LID. Our findings unveiled PVS alternations in subcortical white matter in PD-LID at both global and regional levels, highlighting the increased pPVS in rIFG as a prospective imaging marker for LID.
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Affiliation(s)
- Xingyue Cao
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Caiting Gan
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Heng Zhang
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Yongsheng Yuan
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Huimin Sun
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Li Zhang
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Lina Wang
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Lian Zhang
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China.
| | - Kezhong Zhang
- Department of Neurology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China.
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11
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LeWitt PA, Stebbins GT, Christensen KV, Tan R, Pretorius A, Thomsen M. Buspirone and Zolmitriptan Combination for Dyskinesia: A Randomized, Controlled, Crossover Study. Mov Disord 2024; 39:613-618. [PMID: 38314643 DOI: 10.1002/mds.29713] [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: 11/13/2023] [Revised: 12/14/2023] [Accepted: 12/26/2023] [Indexed: 02/06/2024] Open
Abstract
BACKGROUND Preclinical evidence suggests that co-administration of the 5-HT1A agonist buspirone and the 5-HT1B/1D agonist zolmitriptan act synergistically to reduce dyskinesia to a greater extent than that achieved by either drug alone. OBJECTIVES Assess the therapeutic potential of a fixed-dose buspirone and zolmitriptan combination in Parkinson's disease (PD) patients with levodopa-induced dyskinesia. METHODS Single-center, randomized, placebo-controlled, two-way crossover study (NCT02439203) of a fixed-dose buspirone/zolmitriptan regimen (10/1.25 mg three times a day) in 30 patients with PD experiencing at least moderately disabling peak-effect dyskinesia. RESULTS Seven days of treatment with buspirone/zolmitriptan added to levodopa significantly reduced dyskinesia as assessed by Abnormal Involuntary Movement Scale scores versus placebo (mean treatment effect vs. placebo: -4.2 [-6.1, -2.3]) without significantly worsening Unified Parkinson's Disease Rating Scale (UPDRS) Part III (ON) scores (mean treatment effect vs. placebo: 0.6 [-0.1, 1.3]). No serious adverse events were reported. CONCLUSIONS In this proof-of-concept study, addition of buspirone/zolmitriptan to the patients' PD medication regimen significantly reduced dyskinesia severity without worsening motor function. © 2024 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Peter A LeWitt
- Department of Neurology, Wayne State University School of Medicine and Henry Ford Hospital, Detroit, Michigan, USA
| | - Glenn T Stebbins
- Department of Neurological Sciences, Rush University Medical Center, Chicago, Illinois, USA
| | | | - Riswanto Tan
- Bukwang Pharmaceutical Co., Ltd, Seoul, South Korea
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Kamo H, Iwamuro H, Nakamura R, Nojiri S, Okuzumi A, Ogawa T, Nakajima A, Hattori N, Shimo Y. Antagonism of metabotropic glutamate receptor type 5 prevents levodopa-induced dyskinesia development in a male rat model of Parkinson's disease: Electrophysiological evidence. J Neurosci Res 2024; 102:e25302. [PMID: 38515319 DOI: 10.1002/jnr.25302] [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: 03/24/2023] [Revised: 01/09/2024] [Accepted: 01/15/2024] [Indexed: 03/23/2024]
Abstract
Levodopa-induced dyskinesia (LID) is a common complication in patients with advanced Parkinson's disease (PD) undergoing treatment with levodopa. Glutamate receptor antagonists can suppress LID; however, the underlying mechanisms remain unclear. Here, we aimed to evaluate the effect of 3-((2-methyl-1,3-thiazol-4-yl)ethynyl)pyridine (MTEP), a metabotropic glutamate receptor 5 (mGluR5) antagonist, on dyskinesia. We recorded the neuronal activity of the entopeduncular nucleus and examined responses to cortical electric stimulation in the control group (n = 6) and three groups of rats (male PD model). Saline was intraperitoneally administered to dopamine lesioned (DL) rats (n = 6), levodopa/benserazide (L/B) was administered to LID rats (n = 8), and L/B combined with MTEP was administered to MTEP rats (n = 6) twice daily for 14 days. We administered L/B to LID and MTEP rats 48 h after the final administration of MTEP to examine the chronic effect of MTEP. The control and DL groups did not have LID. The MTEP group had less LID than the LID group (p < .01) on day 1 and day 18. The control group had a typical triphasic pattern consisting of early excitation (early-Ex), inhibition, and late excitation (late-Ex). However, the inhibition phase disappeared, was partially observed, and was fully suppressed in the DL, LID, and MTEP groups, respectively. The cortico-striato-entopeduncular pathway is important in the pathophysiology of LID. mGluR5 antagonism suppresses LID progression by preventing physiological changes in the cortico-striato-entopeduncular pathway. Future studies are required to validate these results.
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Affiliation(s)
- Hikaru Kamo
- Department of Neurology, Juntendo University School of Medicine, Tokyo, Japan
| | - Hirokazu Iwamuro
- Department of Neurosurgery, Juntendo University School of Medicine, Tokyo, Japan
| | - Ryota Nakamura
- Department of Neurology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Shuko Nojiri
- Medical Technology Innovation Center, Juntendo University, Tokyo, Japan
| | - Ayami Okuzumi
- Department of Neurology, Juntendo University School of Medicine, Tokyo, Japan
| | - Takashi Ogawa
- Department of Neurology, Juntendo University School of Medicine, Tokyo, Japan
| | - Asuka Nakajima
- Department of Neurology, Juntendo University Nerima Hospital, Tokyo, Japan
| | - Nobutaka Hattori
- Department of Neurology, Juntendo University School of Medicine, Tokyo, Japan
| | - Yasushi Shimo
- Department of Neurology, Juntendo University Nerima Hospital, Tokyo, Japan
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Zhao X, Guo C, Zhang H, Yu X, Du G, Tian J, Liu W, Song T, Chen X, Guo W. A study of the genotoxicity, fertility and early embryonic development toxicity of rotigotine behenate extended-release microspheres. Basic Clin Pharmacol Toxicol 2024; 134:361-373. [PMID: 38105635 DOI: 10.1111/bcpt.13972] [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: 09/06/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 12/19/2023]
Abstract
Continuous dopaminergic stimulation (CDS) has become an important strategy for the development of drugs to treat Parkinson's disease (PD). Rotigotine behenate extended-release microspheres (RBEM) for injection represent a new treatment regime for CDS and are undergoing clinical trials. In this study, we aimed to investigate the effect of RBEM on genotoxicity, fertility and early embryonic development. We used the Ames test, Chinese hamster lung (CHL) cell chromosome aberration test and the mouse bone marrow micronucleus test, to evaluate the genotoxicity of RBEM. These tests were all negative, thus indicating that RBEM did not induce genotoxicity. In reproduction toxicity testing in male rats on obvious findings following intramuscular administration (i.m.) of RBEM at up to 540 mg/kg (P > 0.5), when female rats were administered with RBEM in the dose range of 60 to 540 mg/kg given (i.m.), there were clear effects on fertility and early embryonic development. These results indicated that RBEM could induce toxicity in female rats and exert effect on fertility and early embryonic development stage.
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Affiliation(s)
- Xinyu Zhao
- School of Pharmacy, Yantai University & State Key Laboratory of Long-acting and Targeting Drug Delivery Technologies, Yantai, China
| | - Chunmin Guo
- School of Pharmacy, Yantai University & State Key Laboratory of Long-acting and Targeting Drug Delivery Technologies, Yantai, China
| | - Hong Zhang
- School of Pharmacy, Yantai University & State Key Laboratory of Long-acting and Targeting Drug Delivery Technologies, Yantai, China
| | - Xin Yu
- School of Pharmacy, Yantai University & State Key Laboratory of Long-acting and Targeting Drug Delivery Technologies, Yantai, China
| | - Guagnying Du
- School of Pharmacy, Yantai University & State Key Laboratory of Long-acting and Targeting Drug Delivery Technologies, Yantai, China
| | - Jingwei Tian
- School of Pharmacy, Yantai University & State Key Laboratory of Long-acting and Targeting Drug Delivery Technologies, Yantai, China
| | - Wanhui Liu
- School of Pharmacy, Yantai University & State Key Laboratory of Long-acting and Targeting Drug Delivery Technologies, Yantai, China
| | - Tao Song
- Luye Pharmaceutical Co., Ltd. (Luye Pharma), Yantai, China
| | - Xiaobo Chen
- WestChina-Frontier PharmaTech Co. (WCFP) & National Chengdu Center for Safety Evaluation of Drugs (NCCSED), Chengdu, China
| | - Wei Guo
- WestChina-Frontier PharmaTech Co. (WCFP) & National Chengdu Center for Safety Evaluation of Drugs (NCCSED), Chengdu, China
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14
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Reinshagen A. Grid cells: the missing link in understanding Parkinson's disease? Front Neurosci 2024; 18:1276714. [PMID: 38389787 PMCID: PMC10881698 DOI: 10.3389/fnins.2024.1276714] [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: 08/12/2023] [Accepted: 01/24/2024] [Indexed: 02/24/2024] Open
Abstract
The mechanisms underlying Parkinson's disease (PD) are complex and not fully understood, and the box-and-arrow model among other current models present significant challenges. This paper explores the potential role of the allocentric brain and especially its grid cells in several PD motor symptoms, including bradykinesia, kinesia paradoxa, freezing of gait, the bottleneck phenomenon, and their dependency on cueing. It is argued that central hubs, like the locus coeruleus and the pedunculopontine nucleus, often narrowly interpreted in the context of PD, play an equally important role in governing the allocentric brain as the basal ganglia. Consequently, the motor and secondary motor (e.g., spatially related) symptoms of PD linked with dopamine depletion may be more closely tied to erroneous computation by grid cells than to the basal ganglia alone. Because grid cells and their associated central hubs introduce both spatial and temporal information to the brain influencing velocity perception they may cause bradykinesia or hyperkinesia as well. In summary, PD motor symptoms may primarily be an allocentric disturbance resulting from virtual faulty computation by grid cells revealed by dopamine depletion in PD.
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De Micco R, Di Nardo F, Siciliano M, Silvestro M, Russo A, Cirillo M, Tedeschi G, Esposito F, Tessitore A. Intrinsic brain functional connectivity predicts treatment-related motor complications in early Parkinson's disease patients. J Neurol 2024; 271:826-834. [PMID: 37814131 PMCID: PMC10827831 DOI: 10.1007/s00415-023-12020-6] [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: 05/28/2023] [Revised: 09/09/2023] [Accepted: 09/19/2023] [Indexed: 10/11/2023]
Abstract
BACKGROUND Treatment-related motor complications may develop progressively over the course of Parkinson's disease (PD). OBJECTIVE We investigated intrinsic brain networks functional connectivity (FC) at baseline in a cohort of early PD patients which successively developed treatment-related motor complications over 4 years. METHODS Baseline MRI images of 88 drug-naïve PD patients and 20 healthy controls were analyzed. After the baseline assessments, all PD patients were prescribed with dopaminergic treatment and yearly clinically re-assessed. At the 4-year follow-up, 36 patients have developed treatment-related motor complications (PD-Compl) whereas 52 had not (PD-no-Compl). Single-subject and group-level independent component analyses were used to investigate FC changes within the major large-scale resting-state networks at baseline. A multivariate Cox regression model was used to explore baseline predictors of treatment-related motor complications at 4-year follow-up. RESULTS At baseline, an increased FC in the right middle frontal gyrus within the frontoparietal network as well as a decreased connectivity in the left cuneus within the default-mode network were detected in PD-Compl compared with PD-no-Compl. PD-Compl patients showed a preserved sensorimotor FC compared to controls. FC differences were found to be independent predictors of treatment-related motor complications over time. CONCLUSION Our findings demonstrated that specific FC differences may characterize drug-naïve PD patients more prone to develop treatment-related complications. These findings may reflect the presence of an intrinsic vulnerability across frontal and prefrontal circuits, which may be potentially targeted as a future biomarker in clinical trials.
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Affiliation(s)
- Rosa De Micco
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Federica Di Nardo
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Mattia Siciliano
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
- Neuropsychology Laboratory, Department of Psychology, University of Campania "Luigi Vanvitelli", Caserta, Italy
| | - Marcello Silvestro
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Antonio Russo
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Mario Cirillo
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Gioacchino Tedeschi
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Fabrizio Esposito
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Alessandro Tessitore
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy.
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16
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Gan Y, Su D, Zhang Z, Zhang Z, Yan R, Liu Z, Wang Z, Zhou J, Lam JST, Wu T, Jing J, Feng T. Microstructural and functional alterations of the ventral pallidum are associated with levodopa-induced dyskinesia in Parkinson's disease. Eur J Neurol 2024; 31:e16147. [PMID: 37975786 DOI: 10.1111/ene.16147] [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: 11/01/2022] [Revised: 10/25/2023] [Accepted: 10/26/2023] [Indexed: 11/19/2023]
Abstract
BACKGROUND AND PURPOSE The ventral pallidum (VP) regulates involuntary movements, but it is unclear whether the VP regulates the abnormal involuntary movements in Parkinson's disease (PD) patients who have levodopa-induced dyskinesia (LID). To further understand the role of the VP in PD patients with LID (PD-LID), we explored the structural and functional characteristics of the VP in such patients using multimodal magnetic resonance imaging (MRI). METHODS Thirty-one PD-LID patients, 39 PD patients without LID (PD-nLID), and 28 healthy controls (HCs) underwent T1-weighted MRI, quantitative susceptibility mapping, multi-shell diffusion MRI, and resting-state functional MRI (rs-fMRI). Different measures characterizing the VP were obtained using a region-of-interest-based approach. RESULTS The left VP in the PD-LID group showed significantly higher intracellular volume fraction (ICVF) and isotropic volume fraction (IsoVF) compared with the PD-nLID and HC groups. Rs-MRI revealed that, compared with the PD-nLID group, the PD-LID group in the medication 'off' state had higher functional connectivity (FC) between the left VP and the left anterior caudate, left middle frontal gyrus and left precentral gyrus, as well as between the right VP and the right posterior ventral putamen and right mediodorsal thalamus. In addition, the ICVF values of the left VP, the FC between the left VP and the left anterior caudate and left middle frontal gyrus were positively correlated with Unified Dyskinesia Rating Scale scores. CONCLUSION Our multimodal imaging findings show that the microstructural changes of the VP (i.e., the higher ICVF and IsoVF) and the functional change in the ventral striatum-VP-mediodorsal thalamus-cortex network may be associated with pathophysiological mechanisms of PD-LID.
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Affiliation(s)
- Yawen Gan
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Dongning Su
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Zhe Zhang
- China National Clinical Research Center for Neurological Diseases, Beijing, China
- Tiantan Neuroimaging Center of Excellence, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Zhijin Zhang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Rui Yan
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Zhu Liu
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Zhan Wang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Junhong Zhou
- Hinda and Arthur Marcus Institute for Aging Research, Hebrew SeniorLife, Roslindale, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
| | - Joyce S T Lam
- Pacific Parkinson's Research Centre, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Tao Wu
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Jing Jing
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing, China
- Tiantan Neuroimaging Center of Excellence, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Tao Feng
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing, China
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17
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Zhang H, Nagai J, Hao L, Jiang X. Identification of Key Genes and Immunological Features Associated with Copper Metabolism in Parkinson's Disease by Bioinformatics Analysis. Mol Neurobiol 2024; 61:799-811. [PMID: 37659036 DOI: 10.1007/s12035-023-03565-8] [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: 05/19/2023] [Accepted: 08/07/2023] [Indexed: 09/05/2023]
Abstract
To explore diagnostic genes associated with cuproptosis in Parkinson's disease (PD) and to characterize immune cell infiltration by comprehensive bioinformatics analysis, three PD datasets were downloaded from the GEO database, two of which were merged and preprocessed as the internal training set and the remaining one as the external validation set. Based on the internal training set, differential analysis was performed to obtain differentially expressed genes (DEGs), and weighted gene co-expression network analysis (WGCNA) was conducted to obtain significant module genes. The genes obtained here were intersected to form the intersecting genes. The intersecting genes obtained from DEGs and WGCNA were intersected with cuproptosis-related genes (CRGs) to generate cuproptosis-related disease signature genes, and functional enrichment analysis was performed on Disease Ontology (DO), Gene Ontology (GO), and Kyoto Encyclopedia of Genes and Genomes (KEGG). Subsequently, LASSO analysis of the cuproptosis-related disease signature genes was performed to identify key genes and construct a diagnostic and predictive model. Then, single sample gene set enrichment analysis (ssGSEA) was performed on the internal training set to further analyze the correlation between key genes and immune cells. Lastly, the results were validated using an external validation set. A total of 405 DEGs were obtained by differential analysis, and 6 gene modules were identified by WGCNA analysis. The genes in the most significant modules were intersected with the DEGs to obtain 21 intersecting genes. The functions of the intersecting genes were mainly enriched in neurotransmitter transport, GABA-ergic synapse, synaptic vesicle cycle, serotonergic synapse, phenylalanine metabolism, tyrosine metabolism, tryptophan metabolism, etc. Subsequently, the intersecting genes were intersected with CRGs, and LASSO regression analysis was performed to screen 3 key cuproptosis-related disease signature genes, namely, SLC18A2, SLC6A3, and SV2C. The calibration curve of the nomogram model constructed based on these 3 key genes to predict PD showed good agreement, with a C-index of 0.944 and an area under the ROC (AUC) of 0.944 (0.833-1.000). It was also validated by the external dataset that the model constructed with these 3 key genes had good diagnostic and predictive power for PD. The ssGSEA analysis revealed that neutrophils might be the potential core immune cells and that SLC18A2, SLC6A3, and SV2C were significantly negatively correlated with neutrophils, which was also verified in the validation set. PD diagnosis and prediction model based on CRGs (SLC18A2, SLC6A3, and SV2C) has good diagnostic and predictive performance and could be a useful tool in the diagnosis of PD.
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Affiliation(s)
- Haofuzi Zhang
- Department of Neurosurgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
- Laboratory for Glia-Neuron Circuit Dynamics, RIKEN Center for Brain Science, Wako, 351-0198, Japan
| | - Jun Nagai
- Laboratory for Glia-Neuron Circuit Dynamics, RIKEN Center for Brain Science, Wako, 351-0198, Japan
| | - Lu Hao
- Department of Emergency, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China.
- Department of Nursing, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China.
| | - Xiaofan Jiang
- Department of Neurosurgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China.
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Burtscher J, Duderstadt Y, Gatterer H, Burtscher M, Vozdek R, Millet GP, Hicks AA, Ehrenreich H, Kopp M. Hypoxia Sensing and Responses in Parkinson's Disease. Int J Mol Sci 2024; 25:1759. [PMID: 38339038 PMCID: PMC10855464 DOI: 10.3390/ijms25031759] [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: 12/28/2023] [Revised: 01/26/2024] [Accepted: 01/28/2024] [Indexed: 02/12/2024] Open
Abstract
Parkinson's disease (PD) is associated with various deficits in sensing and responding to reductions in oxygen availability (hypoxia). Here we summarize the evidence pointing to a central role of hypoxia in PD, discuss the relation of hypoxia and oxygen dependence with pathological hallmarks of PD, including mitochondrial dysfunction, dopaminergic vulnerability, and alpha-synuclein-related pathology, and highlight the link with cellular and systemic oxygen sensing. We describe cases suggesting that hypoxia may trigger Parkinsonian symptoms but also emphasize that the endogenous systems that protect from hypoxia can be harnessed to protect from PD. Finally, we provide examples of preclinical and clinical research substantiating this potential.
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Affiliation(s)
- Johannes Burtscher
- Institute of Sport Sciences, University of Lausanne, 1015 Lausanne, Switzerland;
| | - Yves Duderstadt
- Division of Cardiology and Angiology, University Hospital Magdeburg, 39120 Magdeburg, Germany;
- Research Group Neuroprotection, German Center for Neurodegenerative Diseases (DZNE), 39120 Magdeburg, Germany
- Department of Sports Science, Otto-von-Guericke University, 39120 Magdeburg, Germany
| | - Hannes Gatterer
- Institute of Mountain Emergency Medicine, Eurac Research, 39100 Bolzano, Italy;
| | - Martin Burtscher
- Department of Sport Science, University of Innsbruck, 6020 Innsbruck, Austria; (M.B.); (M.K.)
| | - Roman Vozdek
- Institute for Biomedicine, Eurac Research, Via Alessandro Volta 21, 39100 Bolzano, Italy; (R.V.); (A.A.H.)
| | - Grégoire P. Millet
- Institute of Sport Sciences, University of Lausanne, 1015 Lausanne, Switzerland;
| | - Andrew A. Hicks
- Institute for Biomedicine, Eurac Research, Via Alessandro Volta 21, 39100 Bolzano, Italy; (R.V.); (A.A.H.)
| | - Hannelore Ehrenreich
- Clinical Neuroscience, Max Planck Institute for Multidisciplinary Sciences, 37075 Goettingen, Germany;
- Experimental Medicine, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, 68159 Mannheim, Germany
| | - Martin Kopp
- Department of Sport Science, University of Innsbruck, 6020 Innsbruck, Austria; (M.B.); (M.K.)
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Cenci MA, Kumar A. Cells, pathways, and models in dyskinesia research. Curr Opin Neurobiol 2024; 84:102833. [PMID: 38184982 DOI: 10.1016/j.conb.2023.102833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/01/2023] [Accepted: 12/02/2023] [Indexed: 01/09/2024]
Abstract
L-DOPA-induced dyskinesia (LID) is the most common form of hyperkinetic movement disorder resulting from altered information processing in the cortico-basal ganglia network. We here review recent advances clarifying the altered interplay between striatal output pathways in this movement disorder. We also review studies revealing structural and synaptic changes to the striatal microcircuitry and altered cortico-striatal activity dynamics in LID. We furthermore highlight the recent progress made in understanding the involvement of cerebellar and brain stem nuclei. These recent developments illustrate that dyskinesia research continues to provide key insights into cellular and circuit-level plasticity within the cortico-basal ganglia network and its interconnected brain regions.
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Affiliation(s)
- M Angela Cenci
- Basal Ganglia Pathophysiology Unit, Department Experimental Medical Science, Lund University, Lund, Sweden.
| | - Arvind Kumar
- School of Electrical Engineering and Computer Science, KTH Royal Institute of Technology, Stockholm, Sweden. https://twitter.com/arvin_neuro
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Bove F, Angeloni B, Sanginario P, Rossini PM, Calabresi P, Di Iorio R. Neuroplasticity in levodopa-induced dyskinesias: An overview on pathophysiology and therapeutic targets. Prog Neurobiol 2024; 232:102548. [PMID: 38040324 DOI: 10.1016/j.pneurobio.2023.102548] [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: 07/18/2023] [Revised: 10/29/2023] [Accepted: 11/26/2023] [Indexed: 12/03/2023]
Abstract
Levodopa-induced dyskinesias (LIDs) are a common complication in patients with Parkinson's disease (PD). A complex cascade of electrophysiological and molecular events that induce aberrant plasticity in the cortico-basal ganglia system plays a key role in the pathophysiology of LIDs. In the striatum, multiple neurotransmitters regulate the different forms of physiological synaptic plasticity to provide it in a bidirectional and Hebbian manner. In PD, impairment of both long-term potentiation (LTP) and long-term depression (LTD) progresses with disease and dopaminergic denervation of striatum. The altered balance between LTP and LTD processes leads to unidirectional changes in plasticity that cause network dysregulation and the development of involuntary movements. These alterations have been documented, in both experimental models and PD patients, not only in deep brain structures but also at motor cortex. Invasive and non-invasive neuromodulation treatments, as deep brain stimulation, transcranial magnetic stimulation, or transcranial direct current stimulation, may provide strategies to modulate the aberrant plasticity in the cortico-basal ganglia network of patients affected by LIDs, thus restoring normal neurophysiological functioning and treating dyskinesias. In this review, we discuss the evidence for neuroplasticity impairment in experimental PD models and in patients affected by LIDs, and potential neuromodulation strategies that may modulate aberrant plasticity.
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Affiliation(s)
- Francesco Bove
- Neurology Unit, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy; Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Benedetta Angeloni
- Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Pasquale Sanginario
- Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Paolo Maria Rossini
- Brain Connectivity Laboratory, Department of Neuroscience and Neurorehabilitation, IRCCS San Raffaele Roma, Rome, Italy
| | - Paolo Calabresi
- Neurology Unit, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy; Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Riccardo Di Iorio
- Neurology Unit, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy; Department of Neuroscience, Università Cattolica del Sacro Cuore, Rome, Italy.
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21
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Cao L, Zheng Z, Zhao G. Moving chin left and right: levodopa induced dyskinesia in spinocerebellar ataxia type 3? Acta Neurol Belg 2023; 123:2371-2373. [PMID: 36696007 DOI: 10.1007/s13760-023-02198-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 01/18/2023] [Indexed: 01/26/2023]
Affiliation(s)
- Lanxiao Cao
- Department of Neurology, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, N1 Shangcheng Avenue, Yiwu, 322000, Zhejiang, China
| | - Zhilin Zheng
- Department of Neurology, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, N1 Shangcheng Avenue, Yiwu, 322000, Zhejiang, China
| | - Guohua Zhao
- Department of Neurology, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, N1 Shangcheng Avenue, Yiwu, 322000, Zhejiang, China.
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22
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Pogorelov VM, Martini ML, Jin J, Wetsel WC, Caron MG. Dopamine-Depleted Dopamine Transporter Knockout (DDD) Mice: Dyskinesia with L-DOPA and Dopamine D1 Agonists. Biomolecules 2023; 13:1658. [PMID: 38002340 PMCID: PMC10669682 DOI: 10.3390/biom13111658] [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: 10/02/2023] [Revised: 11/13/2023] [Accepted: 11/13/2023] [Indexed: 11/26/2023] Open
Abstract
L-DOPA is the mainstay of treatment for Parkinson's disease (PD). However, over time this drug can produce dyskinesia. A useful acute PD model for screening novel compounds for anti-parkinsonian and L-DOPA-induced dyskinesia (LID) are dopamine-depleted dopamine-transporter KO (DDD) mice. Treatment with α-methyl-para-tyrosine rapidly depletes their brain stores of DA and renders them akinetic. During sensitization in the open field (OF), their locomotion declines as vertical activities increase and upon encountering a wall they stand on one leg or tail and engage in climbing behavior termed "three-paw dyskinesia". We have hypothesized that L-DOPA induces a stereotypic activation of locomotion in DDD mice, where they are unable to alter the course of their locomotion, and upon encountering walls engage in "three-paw dyskinesia" as reflected in vertical counts or beam-breaks. The purpose of our studies was to identify a valid index of LID in DDD mice that met three criteria: (a) sensitization with repeated L-DOPA administration, (b) insensitivity to a change in the test context, and (c) stimulatory or inhibitory responses to dopamine D1 receptor agonists (5 mg/kg SKF81297; 5 and 10 mg/kg MLM55-38, a novel compound) and amantadine (45 mg/kg), respectively. Responses were compared between the OF and a circular maze (CM) that did not hinder locomotion. We found vertical counts and climbing were specific for testing in the OF, while oral stereotypies were sensitized to L-DOPA in both the OF and CM and responded to D1R agonists and amantadine. Hence, in DDD mice oral stereotypies should be used as an index of LID in screening compounds for PD.
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Affiliation(s)
- Vladimir M. Pogorelov
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, 354 Sands Building, 303 Research Drive, Durham, NC 27710, USA
| | - Michael L. Martini
- Mount Sinai Center for Therapeutics Discovery, Departments of Pharmacological Sciences and Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (M.L.M.); (J.J.)
| | - Jian Jin
- Mount Sinai Center for Therapeutics Discovery, Departments of Pharmacological Sciences and Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (M.L.M.); (J.J.)
| | - William C. Wetsel
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, 354 Sands Building, 303 Research Drive, Durham, NC 27710, USA
- Department of Cell Biology, Duke University Medical Center, Durham, NC 27710, USA;
- Department of Neurobiology, Duke University Medical Center, Durham, NC 27710, USA
| | - Marc G. Caron
- Department of Cell Biology, Duke University Medical Center, Durham, NC 27710, USA;
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23
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Hansen L, Witzig V, Schulz JB, Holtbernd F. Dopaminergic treatment strategies for people with Parkinson's disease in Europe: a retrospective analysis of PRISM trial data. Neurol Sci 2023; 44:3905-3912. [PMID: 37311949 PMCID: PMC10570205 DOI: 10.1007/s10072-023-06888-5] [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: 04/28/2023] [Accepted: 05/29/2023] [Indexed: 06/15/2023]
Abstract
BACKGROUND Levodopa (LD) is the most effective drug to treat Parkinson's disease (PD). The recently concluded multinational Parkinson's Real-World Impact Assessment (PRISM) trial revealed highly variable prescription patterns of LD monotherapy across six European countries. The reasons remain unclear. METHODS In this post hoc analysis of PRISM trial data, we used multivariate logistic regression analysis to identify socio-economic factors affecting prescription practice. We applied receiver-operated characteristics and split sample validation to test model accuracy to predict treatment class (LD monotherapy vs. all other treatments). RESULTS Subject age, disease duration, and country of residence were significant predictors of treatment class. The chance of receiving LD monotherapy increased by 6.9% per year of age. In contrast, longer disease duration reduced the likelihood of receiving LD monotherapy by 9.7% per year. Compared to the other countries, PD patients in Germany were 67.1% less likely and their counterparts in the UK 86.8% more likely to receive an LD monotherapy. The model classification accuracy of treatment class assignment was 80.1%. The area under the curve to predict treatment condition was 0.758 (95% CI [0.715, 0.802]). Split sample validation revealed poor sensitivity (36.6%), but excellent specificity (92.7%) to predict treatment class. CONCLUSION The relative lack of socio-economic variables affecting prescription practice in the study sample and limited model accuracy to predict treatment class suggest the presence of additional, country-specific factors affecting prescription patterns that were not assessed in the PRISM trial. Our findings indicate that physicians still avoid prescribing LD monotherapy to younger PD patients.
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Affiliation(s)
- Lara Hansen
- Department of Neurology, RWTH Aachen University, Pauwelsstr. 30, 52074, Aachen, Germany
| | - Victoria Witzig
- Department of Neurology, RWTH Aachen University, Pauwelsstr. 30, 52074, Aachen, Germany
| | - Jörg B Schulz
- Department of Neurology, RWTH Aachen University, Pauwelsstr. 30, 52074, Aachen, Germany
- JARA-BRAIN Institute Molecular Neuroscience and Neuroimaging, Juelich Research Center GmbH and RWTH Aachen University, Aachen, Germany
| | - Florian Holtbernd
- Department of Neurology, RWTH Aachen University, Pauwelsstr. 30, 52074, Aachen, Germany.
- JARA-BRAIN Institute Molecular Neuroscience and Neuroimaging, Juelich Research Center GmbH and RWTH Aachen University, Aachen, Germany.
- Juelich Research Center, Institutes of Neuroscience and Medicine (INM-4, INM-11), Juelich, Germany.
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24
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Kulisevsky J, Falup-Pecurariu C, Santens P, Jost WH. Towards improved access to device-aided therapies in advanced PD: the importance of cooperation of different disciplines. J Neural Transm (Vienna) 2023; 130:1433-1441. [PMID: 37439943 DOI: 10.1007/s00702-023-02664-z] [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: 06/12/2023] [Accepted: 06/12/2023] [Indexed: 07/14/2023]
Abstract
Managing the many issues in advanced Parkinson's disease (PD) requires education, continuous support, and specialized outpatient care involving a variety of allied healthcare professionals. It would be greatly appreciated if general neurologists and professionals from various disciplines who work with people diagnosed with Parkinson's disease (PwP) could remain knowledgeable about the existing therapies and their respective roles within the treatment continuum. The movement disorders specialist and the PD nurse are key actors in the coordination of a targeted and patient-empowering multidisciplinary approach for advanced PD. Affordable and timely access to these therapies for the PwP who may need them is presently a challenge for health systems. Education, training, and support for all the involved stakeholders in the process of PD care may improve quality of life both for PwP and caregivers, and reduce inadequate, expensive, time-consuming, and unsuccessful prolongation of standard medical therapies.
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Affiliation(s)
- Jaime Kulisevsky
- Parkinson and Movement Disorders Unit, Sant Pau Hospital, Universitat Autònoma de Barcelona, C/Mas Casanovas 90, 08041, Barcelona, Spain.
- Departament de Medicina, Faculty of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain.
- CIBERNED (Network Centre for Neurodegenerative Diseases), Barcelona, Spain.
| | - Cristian Falup-Pecurariu
- Faculty of Medicine, Transilvania University of Braşov, Braşov, Romania
- Department of Neurology, County Clinic Hospital, Braşov, Romania
| | - Patrick Santens
- Department of Neurology, Ghent University Hospital, Ghent, Belgium
| | - Wolfgang H Jost
- University Hospital Carl Gustav Carus, Dresden, Saxony, Germany
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25
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Thanprasertsuk S, Phowthongkum P, Hopetrungraung T, Poorirerngpoom C, Sathirapatya T, Wichit P, Phokaewvarangkul O, Vongpaisarnsin K, Bongsebandhu-phubhakdi S, Bhidayasiri R. Levodopa-induced dyskinesia in early-onset Parkinson's disease (EOPD) associates with glucocerebrosidase mutation: A next-generation sequencing study in EOPD patients in Thailand. PLoS One 2023; 18:e0293516. [PMID: 37906549 PMCID: PMC10617711 DOI: 10.1371/journal.pone.0293516] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 10/15/2023] [Indexed: 11/02/2023] Open
Abstract
BACKGROUND With the benefit of using next-generation sequencing (NGS), our aim was to examine the prevalence of known monogenic causes in early-onset Parkinson's disease (EOPD) patients in Thailand. The association between clinical features, such as levodopa-induced dyskinesia (LID), and genotypes were also explored. METHOD NGS studies were carried out for EOPD patients in the Tertiary-referral center for Parkinson's disease and movement disorders. EOPD patients who had LID symptoms were enrolled in this study (n = 47). We defined EOPD as a patient with onset of PD at or below 50 years of age. LID was defined as hyperkinetic movements including chorea, ballism, dystonia, myoclonus, or any combination of these movements resulting from levodopa therapy, which could be peak-dose, off-period, or diphasic dyskinesias. RESULTS Pathogenic variants were identified in 17% (8/47) of the Thai EOPD patients, of which 10.6% (5/47) were heterozygous GBA variants (c.1448T>C in 3 patients and c.115+1G>A in 2 patients), 4.3% (2/47) homozygous PINK1 variants (c.1474C>T) and 2.1% (1/47) a PRKN mutation (homozygous deletion of exon 7). The LID onset was earlier in patients with GBA mutations compared to those without (34.8±23.4 vs 106.2±59.5 months after starting levodopa, respectively, p = 0.001). LID onset within the first 30 months of the disease was also found to be independently associated with the GBA mutation (odds ratio [95% confidence interval] = 25.00 [2.12-295.06], p = 0.011). CONCLUSION Our study highlights the high prevalence of GBA pathogenic variants in Thai patients with EOPD and the independent association of these variants with the earlier onset of LID. This emphasizes the importance of genetic testing in this population.
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Affiliation(s)
- Sekh Thanprasertsuk
- Department of Physiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Cognitive Clinical & Computational Neuroscience (CCCN) Center of Excellence, Chulalongkorn University, Bangkok, Thailand
- Chula Neuroscience Center, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
| | - Prasit Phowthongkum
- Division of Medical Genetics and Genomics, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Excellence Center of Genomics and Precision Medicine, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
| | - Thitipong Hopetrungraung
- Department of Physiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Department of Medicine, Queen Savang Vadhana Memorial Hospital, Chonburi, Thailand
| | - Chalalai Poorirerngpoom
- Department of Physiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Saraburi Hospital, Saraburi, Thailand
| | - Tikumphorn Sathirapatya
- Department of Forensic Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Forensic Genetics Research Unit, Ratchadapiseksompotch Fund, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Patsorn Wichit
- Department of Physiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Faculty of Physical Therapy, Huachiew Chalermprakiet University, Samut Prakan, Thailand
| | - Onanong Phokaewvarangkul
- Chula Neuroscience Center, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
- Division of Neurology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Chulalongkorn Centre of Excellence for Parkinson’s Disease and Related Disorders, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Kornkiat Vongpaisarnsin
- Department of Forensic Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Forensic Genetics Research Unit, Ratchadapiseksompotch Fund, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Saknan Bongsebandhu-phubhakdi
- Department of Physiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Chula Neuroscience Center, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
| | - Roongroj Bhidayasiri
- Chula Neuroscience Center, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
- Division of Neurology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Chulalongkorn Centre of Excellence for Parkinson’s Disease and Related Disorders, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
- The Academy of Science, The Royal Society of Thailand, Bangkok, Thailand
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26
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Bi Y, Wang P, Yu J, Wang Z, Yang H, Deng Y, Guan J, Zhang W. Eltoprazine modulated gamma oscillations on ameliorating L-dopa-induced dyskinesia in rats. CNS Neurosci Ther 2023; 29:2998-3013. [PMID: 37122156 PMCID: PMC10493666 DOI: 10.1111/cns.14241] [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: 10/12/2022] [Revised: 03/30/2023] [Accepted: 04/17/2023] [Indexed: 05/02/2023] Open
Abstract
AIM Parkinson's disease (PD) is a pervasive neurodegenerative disease, and levodopa (L-dopa) is its preferred treatment. The pathophysiological mechanism of levodopa-induced dyskinesia (LID), the most common complication of long-term L-dopa administration, remains obscure. Accumulated evidence suggests that the dopaminergic as well as non-dopaminergic systems contribute to LID development. As a 5-hydroxytryptamine 1A/1B receptor agonist, eltoprazine ameliorates dyskinesia, although little is known about its electrophysiological mechanism. The aim of this study was to investigate the cumulative effects of chronic L-dopa administration and the potential mechanism of eltoprazine's amelioration of dyskinesia at the electrophysiological level in rats. METHODS Neural electrophysiological analysis techniques were conducted on the acquired local field potential (LFP) data from primary motor cortex (M1) and dorsolateral striatum (DLS) during different pathological states to obtain the information of power spectrum density, theta-gamma phase-amplitude coupling (PAC), and functional connectivity. Behavior tests and AIMs scoring were performed to verify PD model establishment and evaluate LID severity. RESULTS We detected exaggerated gamma activities in the dyskinetic state, with different features and impacts in distinct regions. Gamma oscillations in M1 were narrowband manner, whereas that in DLS had a broadband appearance. Striatal exaggerated theta-gamma PAC in the LID state contributed to broadband gamma oscillation, and aperiodic-corrected cortical beta power correlated robustly with aperiodic-corrected gamma power in M1. M1-DLS coherence and phase-locking values (PLVs) in the gamma band were enhanced following L-dopa administration. Eltoprazine intervention reduced gamma oscillations, theta-gamma PAC in the DLS, and coherence and PLVs in the gamma band to alleviate dyskinesia. CONCLUSION Excessive cortical gamma oscillation is a compelling clinical indicator of dyskinesia. The detection of enhanced PAC and functional connectivity of gamma-band oscillation can be used to guide and optimize deep brain stimulation parameters. Eltoprazine has potential clinical application for dyskinesia.
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Affiliation(s)
- Yuewei Bi
- Neurosurgery Center, Department of Pediatric Neurosurgery, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Zhujiang HospitalSouthern Medical UniversityGuangzhouChina
| | - Pengfei Wang
- Neurosurgery Center, Department of Pediatric Neurosurgery, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Zhujiang HospitalSouthern Medical UniversityGuangzhouChina
| | - Jianshen Yu
- Neurosurgery Center, Department of Pediatric Neurosurgery, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Zhujiang HospitalSouthern Medical UniversityGuangzhouChina
| | - Zhuyong Wang
- Neurosurgery Center, Department of Pediatric Neurosurgery, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Zhujiang HospitalSouthern Medical UniversityGuangzhouChina
| | - Hanjie Yang
- Neurosurgery Center, Department of Pediatric Neurosurgery, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Zhujiang HospitalSouthern Medical UniversityGuangzhouChina
| | - Yuhao Deng
- Neurosurgery Center, Department of Pediatric Neurosurgery, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Zhujiang HospitalSouthern Medical UniversityGuangzhouChina
| | - Jianwei Guan
- Neurosurgery Center, Department of Pediatric Neurosurgery, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Zhujiang HospitalSouthern Medical UniversityGuangzhouChina
| | - Wangming Zhang
- Neurosurgery Center, Department of Pediatric Neurosurgery, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Zhujiang HospitalSouthern Medical UniversityGuangzhouChina
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Sáez M, Keifman E, Alberquilla S, Coll C, Reig R, Murer MG, Moratalla R. D2 dopamine receptors and the striatopallidal pathway modulate L-DOPA-induced dyskinesia in the mouse. Neurobiol Dis 2023; 186:106278. [PMID: 37683958 DOI: 10.1016/j.nbd.2023.106278] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 08/18/2023] [Accepted: 08/31/2023] [Indexed: 09/10/2023] Open
Abstract
L-DOPA-induced dyskinesia (LID) remains a major complication of Parkinson's disease management for which better therapies are necessary. The contribution of the striatonigral direct pathway to LID is widely acknowledged but whether the striatopallidal pathway is involved remains debated. Selective optogenetic stimulation of striatonigral axon terminals induces dyskinesia in mice rendered hemiparkinsonian with the toxin 6-hydroxydopamine (6-OHDA). Here we show that optogenetically-induced dyskinesia is increased by the D2-type dopamine receptor agonist quinpirole. Although the quinpirole effect may be mediated by D2 receptor stimulation in striatopallidal neurons, alternative mechanisms may be responsible as well. To selectively modulate the striatopallidal pathway, we selectively expressed channelrhodopsin-2 (ChR2) in D2 receptor expressing neurons by crossing D2-Cre and ChR2-flox mice. The animals were rendered hemiparkinsonian and implanted with an optic fiber at the ipsilateral external globus pallidus (GPe). Stimulation of ChR2 at striatopallidal axon terminals reduced LID and also general motility during the off L-DOPA state, without modifying the pro-motor effect of low doses of L-DOPA producing mild or no dyskinesia. Overall, the present study shows that D2-type dopamine receptors and the striatopallidal pathway modulate dyskinesia and suggest that targeting striatopallidal axon terminals at the GPe may have therapeutic potential in the management of LID.
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Affiliation(s)
- María Sáez
- Instituto Cajal, Consejo Superior de Investigaciones Científicas, CSIC, Madrid 28002, Spain; Instituto de Neurociencias UMH-CSIC, San Juan de Alicante, Alicante 03550, Spain
| | - Ettel Keifman
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Ciencias Fisiológicas, Argentina; Universidad de Buenos Aires and CONICET, Instituto de Fisiología y Biofísica Bernardo Houssay (IFIBIO Houssay), 2155 Paraguay St, Buenos Aires 1121, Argentina
| | - Samuel Alberquilla
- Instituto Cajal, Consejo Superior de Investigaciones Científicas, CSIC, Madrid 28002, Spain; CIBERNED, Instituto de Salud Carlos III, Madrid, Spain
| | - Camila Coll
- Universidad de Buenos Aires and CONICET, Instituto de Fisiología y Biofísica Bernardo Houssay (IFIBIO Houssay), 2155 Paraguay St, Buenos Aires 1121, Argentina
| | - Ramón Reig
- Instituto de Neurociencias UMH-CSIC, San Juan de Alicante, Alicante 03550, Spain
| | - Mario Gustavo Murer
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Ciencias Fisiológicas, Argentina; Universidad de Buenos Aires and CONICET, Instituto de Fisiología y Biofísica Bernardo Houssay (IFIBIO Houssay), 2155 Paraguay St, Buenos Aires 1121, Argentina.
| | - Rosario Moratalla
- Instituto Cajal, Consejo Superior de Investigaciones Científicas, CSIC, Madrid 28002, Spain; CIBERNED, Instituto de Salud Carlos III, Madrid, Spain.
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28
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Miller SJ, Darji RY, Walaieh S, Lewis JA, Logan R. Senolytic and senomorphic secondary metabolites as therapeutic agents in Drosophila melanogaster models of Parkinson's disease. Front Neurol 2023; 14:1271941. [PMID: 37840914 PMCID: PMC10568035 DOI: 10.3389/fneur.2023.1271941] [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: 08/04/2023] [Accepted: 09/04/2023] [Indexed: 10/17/2023] Open
Abstract
Drosophila melanogaster is a valuable model organism for a wide range of biological exploration. The well-known advantages of D. melanogaster include its relatively simple biology, the ease with which it is genetically modified, the relatively low financial and time costs associated with their short gestation and life cycles, and the large number of offspring they produce per generation. D. melanogaster has facilitated the discovery of many significant insights into the pathology of Parkinson's disease (PD) and has served as an excellent preclinical model of PD-related therapeutic discovery. In this review, we provide an overview of the major D. melanogaster models of PD, each of which provide unique insights into PD-relevant pathology and therapeutic targets. These models are discussed in the context of their past, current, and future potential use for studying the utility of secondary metabolites as therapeutic agents in PD. Over the last decade, senolytics have garnered an exponential interest in their ability to mitigate a broad spectrum of diseases, including PD. Therefore, an emphasis is placed on the senolytic and senomorphic properties of secondary metabolites. It is expected that D. melanogaster will continue to be critical in the effort to understand and improve treatment of PD, including their involvement in translational studies focused on secondary metabolites.
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Affiliation(s)
- Sean J. Miller
- Department of Ophthalmology and Visual Science, Yale University School of Medicine, New Haven, CT, United States
| | - Rayyan Y. Darji
- Department of Ophthalmology and Visual Science, Yale University School of Medicine, New Haven, CT, United States
| | - Sami Walaieh
- Department of Biology, Eastern Nazarene College, Quincy, MA, United States
| | - Jhemerial A. Lewis
- Department of Biology, Eastern Nazarene College, Quincy, MA, United States
| | - Robert Logan
- Department of Biology, Eastern Nazarene College, Quincy, MA, United States
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29
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Khan AF, Adewale Q, Lin SJ, Baumeister TR, Zeighami Y, Carbonell F, Palomero-Gallagher N, Iturria-Medina Y. Patient-specific models link neurotransmitter receptor mechanisms with motor and visuospatial axes of Parkinson's disease. Nat Commun 2023; 14:6009. [PMID: 37752107 PMCID: PMC10522603 DOI: 10.1038/s41467-023-41677-w] [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: 02/28/2023] [Accepted: 09/08/2023] [Indexed: 09/28/2023] Open
Abstract
Parkinson's disease involves multiple neurotransmitter systems beyond the classical dopaminergic circuit, but their influence on structural and functional alterations is not well understood. Here, we use patient-specific causal brain modeling to identify latent neurotransmitter receptor-mediated mechanisms contributing to Parkinson's disease progression. Combining the spatial distribution of 15 receptors from post-mortem autoradiography with 6 neuroimaging-derived pathological factors, we detect a diverse set of receptors influencing gray matter atrophy, functional activity dysregulation, microstructural degeneration, and dendrite and dopaminergic transporter loss. Inter-individual variability in receptor mechanisms correlates with symptom severity along two distinct axes, representing motor and psychomotor symptoms with large GABAergic and glutamatergic contributions, and cholinergically-dominant visuospatial, psychiatric and memory dysfunction. Our work demonstrates that receptor architecture helps explain multi-factorial brain re-organization, and suggests that distinct, co-existing receptor-mediated processes underlie Parkinson's disease.
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Affiliation(s)
- Ahmed Faraz Khan
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, QC, Canada
- McConnell Brain Imaging Center, Montreal Neurological Institute, Montreal, QC, Canada
- Ludmer Centre for Neuroinformatics & Mental Health, Montreal, QC, Canada
| | - Quadri Adewale
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, QC, Canada
- McConnell Brain Imaging Center, Montreal Neurological Institute, Montreal, QC, Canada
- Ludmer Centre for Neuroinformatics & Mental Health, Montreal, QC, Canada
| | - Sue-Jin Lin
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, QC, Canada
- McConnell Brain Imaging Center, Montreal Neurological Institute, Montreal, QC, Canada
- Ludmer Centre for Neuroinformatics & Mental Health, Montreal, QC, Canada
| | - Tobias R Baumeister
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, QC, Canada
- McConnell Brain Imaging Center, Montreal Neurological Institute, Montreal, QC, Canada
- Ludmer Centre for Neuroinformatics & Mental Health, Montreal, QC, Canada
| | - Yashar Zeighami
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, QC, Canada
- Douglas Research Centre, Department of Psychiatry, McGill University, Montreal, QC, Canada
| | | | - Nicola Palomero-Gallagher
- Institute of Neuroscience and Medicine (INM-1), Research Centre Jülich, Jülich, Germany
- Cécile and Oskar Vogt Institute of Brain Research, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
- Department of Psychiatry, Psychotherapy, and Psychosomatics, Medical Faculty, RWTH Aachen, and JARA - Translational Brain Medicine, Aachen, Germany
| | - Yasser Iturria-Medina
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, QC, Canada.
- McConnell Brain Imaging Center, Montreal Neurological Institute, Montreal, QC, Canada.
- Ludmer Centre for Neuroinformatics & Mental Health, Montreal, QC, Canada.
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30
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Sosero YL, Bandres-Ciga S, Ferwerda B, Tocino MTP, Belloso DR, Gómez-Garre P, Faouzi J, Taba P, Pavelka L, Marques TM, Gomes CPC, Kolodkin A, May P, Milanowski LM, Wszolek ZK, Uitti RJ, Heutink P, van Hilten JJ, Simon DK, Eberly S, Alvarez I, Krohn L, Yu E, Freeman K, Rudakou U, Ruskey JA, Asayesh F, Menéndez-Gonzàlez M, Pastor P, Ross OA, Krüger R, Corvol JC, Koks S, Mir P, De Bie RMA, Iwaki H, Gan-Or Z. Dopamine pathway and Parkinson's risk variants are associated with levodopa-induced dyskinesia. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.08.28.23294610. [PMID: 37790572 PMCID: PMC10543218 DOI: 10.1101/2023.08.28.23294610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
Background Levodopa-induced dyskinesia (LID) is a common adverse effect of levodopa, one of the main therapeutics used to treat the motor symptoms of Parkinson's disease (PD). Previous evidence suggests a connection between LID and a disruption of the dopaminergic system as well as genes implicated in PD, including GBA1 and LRRK2. Objectives To investigate the effects of genetic variants on risk and time to LID. Methods We performed a genome-wide association study (GWAS) and analyses focused on GBA1 and LRRK2 variants. We also calculated polygenic risk scores including risk variants for PD and variants in genes involved in the dopaminergic transmission pathway. To test the influence of genetics on LID risk we used logistic regression, and to examine its impact on time to LID we performed Cox regression including 1,612 PD patients with and 3,175 without LID. Results We found that GBA1 variants were associated with LID risk (OR=1.65, 95% CI=1.21-2.26, p=0.0017) and LRRK2 variants with reduced time to LID onset (HR=1.42, 95% CI=1.09-1.84, p=0.0098). The fourth quartile of the PD PRS was associated with increased LID risk (ORfourth_quartile=1.27, 95% CI=1.03-1.56, p=0.0210). The third and fourth dopamine pathway PRS quartiles were associated with a reduced time to development of LID (HRthird_quartile=1.38, 95% CI=1.07-1.79, p=0.0128; HRfourth_quartile=1.38, 95% CI=1.06-1.78, p=0.0147). Conclusions This study suggests that variants implicated in PD and in the dopaminergic transmission pathway play a role in the risk/time to develop LID. Further studies will be necessary to examine how these findings can inform clinical care.
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Affiliation(s)
- Yuri L Sosero
- Department of Human Genetics, McGill University, Montréal, QC, Canada
- The Neuro (Montreal Neurological Institute-Hospital), McGill University, Montréal, QC, Canada
| | - Sara Bandres-Ciga
- Center for Alzheimer's and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes on Health, Bethesda, MD, USA
| | - Bart Ferwerda
- Department of Clinical Epidemiology and Biostatistics, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands
| | - Maria T P Tocino
- Unidad de Trastornos del Movimiento, Servicio de Neurología y Neurofisiología Clínica, Instituto de Biomedicina de Sevilla, Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Dìaz R Belloso
- Unidad de Trastornos del Movimiento, Servicio de Neurología y Neurofisiología Clínica, Instituto de Biomedicina de Sevilla, Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Pilar Gómez-Garre
- Unidad de Trastornos del Movimiento, Servicio de Neurología y Neurofisiología Clínica, Instituto de Biomedicina de Sevilla, Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Johann Faouzi
- Sorbonne Université, Paris Brain Institute - ICM, Inserm, CNRS, Assistance Publique Hôpitaux de Paris, Department of Neurology, Pitié-Salpêtrière Hospital, Paris, France
- CREST, ENSAI, Campus de Ker-Lann, 51 Rue Blaise Pascal - BP 37203 35172 Bruz Cedex, France
| | - Pille Taba
- Department of Neurology and Neurosurgery, Institute of Clinical Medicine, University of Tartu, Tartu 50406, Estonia
| | - Lukas Pavelka
- Transversal Translational Medicine, Luxembourg Institute of Health (LIH), Strassen, Luxembourg
- Centre Hospitalier de Luxembourg (CHL), Strassen, Luxembourg
| | - Tainà M Marques
- Transversal Translational Medicine, Luxembourg Institute of Health (LIH), Strassen, Luxembourg
| | - Clarissa P C Gomes
- Translational Neuroscience, Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, Esch-sur-Alzette, Luxembourg
| | - Alexey Kolodkin
- Transversal Translational Medicine, Luxembourg Institute of Health (LIH), Strassen, Luxembourg
| | - Patrick May
- Transversal Translational Medicine, Luxembourg Institute of Health (LIH), Strassen, Luxembourg
- Centre Hospitalier de Luxembourg (CHL), Strassen, Luxembourg
| | - Lukasz M Milanowski
- Department of Neurology Faculty of Health Science, Medical University of Warsaw, Warsaw, Poland
- Department of Neurology, Mayo Clinic Florida, Jacksonville, Florida, USA
| | - Zbigniew K Wszolek
- Department of Neurology, Mayo Clinic Florida, Jacksonville, Florida, USA
| | - Ryan J Uitti
- Department of Neurology, Mayo Clinic Florida, Jacksonville, Florida, USA
| | | | | | - David K Simon
- Department of Neurology, Beth Israel Deaconess Medical Center and Harvard Medical School
| | - Shirley Eberly
- Department of Biostatistics and Computational Biology at the University of Rochester School of Medicine and Dentistry
| | - Ignacio Alvarez
- Department of Neurology, Hospital Universitari Mutua de Terrassa, Barcelona, Spain
| | - Lynne Krohn
- Department of Human Genetics, McGill University, Montréal, QC, Canada
- The Neuro (Montreal Neurological Institute-Hospital), McGill University, Montréal, QC, Canada
| | - Eric Yu
- Department of Human Genetics, McGill University, Montréal, QC, Canada
- The Neuro (Montreal Neurological Institute-Hospital), McGill University, Montréal, QC, Canada
| | - Kathryn Freeman
- Department of Human Genetics, McGill University, Montréal, QC, Canada
- The Neuro (Montreal Neurological Institute-Hospital), McGill University, Montréal, QC, Canada
| | - Uladzislau Rudakou
- Department of Human Genetics, McGill University, Montréal, QC, Canada
- The Neuro (Montreal Neurological Institute-Hospital), McGill University, Montréal, QC, Canada
| | - Jennifer A Ruskey
- The Neuro (Montreal Neurological Institute-Hospital), McGill University, Montréal, QC, Canada
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
| | - Farnaz Asayesh
- The Neuro (Montreal Neurological Institute-Hospital), McGill University, Montréal, QC, Canada
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
| | - Manuel Menéndez-Gonzàlez
- Facultad de Medicina y Ciencias de la Salud, Universidad de Oviedo, Calle Julián Clavería s/n, 33006 Oviedo, Spain
- Department of Neurology, Hospital Universitario Central de Asturias, Avenida Roma s/n, 33011 Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias, Avenida Roma s/n, 33011 Oviedo, Spain
| | - Pau Pastor
- Department of Neurology, Hospital Universitari Mutua de Terrassa, Barcelona, Spain
- Unit of Neurodegenerative Diseases, Department of Neurology, University Hospital Germans Trias i Pujol and The Germans Trias i Pujol Research Institute (IGTP) Badalona, Barcelona, Spain
| | - Owen A Ross
- Department of Neurology, Mayo Clinic Florida, Jacksonville, Florida, USA
| | - Rejko Krüger
- Transversal Translational Medicine, Luxembourg Institute of Health (LIH), Strassen, Luxembourg
- Centre Hospitalier de Luxembourg (CHL), Strassen, Luxembourg
- Translational Neuroscience, Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, Esch-sur-Alzette, Luxembourg
| | - Jean-Christophe Corvol
- CREST, ENSAI, Campus de Ker-Lann, 51 Rue Blaise Pascal - BP 37203 35172 Bruz Cedex, France
| | - Sulev Koks
- Centre for Molecular Medicine and Innovative Therapeutics, Murdoch University, Murdoch, Australia
- Perron Institute for Neurological and Translational Science, Nedlands, Australia
| | - Pablo Mir
- Unidad de Trastornos del Movimiento, Servicio de Neurología y Neurofisiología Clínica, Instituto de Biomedicina de Sevilla, Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
- Departamento de Medicina, Facultad de Medicina, Universidad de Sevilla, Sevilla, Spain
| | - Rob M A De Bie
- Department of Neurology and Clinical Neurophysiology, Amsterdam University Medical Centers, Amsterdam Neuroscience, University of Amsterdam, Amsterdam, The Netherlands
| | - Hirotaka Iwaki
- Center for Alzheimer's and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes on Health, Bethesda, MD, USA
- Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA
- Data Tecnica International, Washington, District of Columbia, USA
| | - Ziv Gan-Or
- Department of Human Genetics, McGill University, Montréal, QC, Canada
- The Neuro (Montreal Neurological Institute-Hospital), McGill University, Montréal, QC, Canada
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
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Amato N, Caverzasio S, Manconi M, Staedler C, Kaelin-Lang A, Galati S. Slow wave activity across sleep-night could predict levodopa-induced dyskinesia. Sci Rep 2023; 13:15468. [PMID: 37726375 PMCID: PMC10509191 DOI: 10.1038/s41598-023-42604-1] [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: 02/23/2023] [Accepted: 09/12/2023] [Indexed: 09/21/2023] Open
Abstract
A disruption in the slow wave activity (SWA) mediated synaptic downscaling process features Parkinson's disease (PD) patients presenting levodopa-induced dyskinesia (LID). To corroborate the role of SWA in LID development, 15 PD patients with LID, who underwent a polysomnography before LID's appearance, were included. Slow wave sleep epochs were extracted, combined and segmented into early and late sleep. SWA power was calculated. A linear regression model established that the SWA overnight decrease could predict the time to the emergence of LID. Our finding supports the link between SWA-mediated synaptic downscaling and the development of LID. If confirmed, it could pave the way to the study of possible sleep targeted therapies able to protect PD patients from LID development.
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Affiliation(s)
- Ninfa Amato
- Parkinson Disease and Movement Disorder Center, Neurocenter of Southern Switzerland, EOC, Via Tesserete 46, 6903, Lugano, Switzerland
| | - Serena Caverzasio
- Parkinson Disease and Movement Disorder Center, Neurocenter of Southern Switzerland, EOC, Via Tesserete 46, 6903, Lugano, Switzerland
- Faculty of Biomedical Sciences, Università Della Svizzera Italiana (USI), Via Giuseppe Buffi 13, Lugano, Switzerland
| | - Mauro Manconi
- Parkinson Disease and Movement Disorder Center, Neurocenter of Southern Switzerland, EOC, Via Tesserete 46, 6903, Lugano, Switzerland
- Faculty of Biomedical Sciences, Università Della Svizzera Italiana (USI), Via Giuseppe Buffi 13, Lugano, Switzerland
- Department of Neurology, Inselspital, Bern University Hospital, Freiburgstrasse 18, Bern, Switzerland
| | - Claudio Staedler
- Parkinson Disease and Movement Disorder Center, Neurocenter of Southern Switzerland, EOC, Via Tesserete 46, 6903, Lugano, Switzerland
| | - Alain Kaelin-Lang
- Parkinson Disease and Movement Disorder Center, Neurocenter of Southern Switzerland, EOC, Via Tesserete 46, 6903, Lugano, Switzerland
- Faculty of Biomedical Sciences, Università Della Svizzera Italiana (USI), Via Giuseppe Buffi 13, Lugano, Switzerland
- Department of Neurology, Inselspital, Bern University Hospital, Freiburgstrasse 18, Bern, Switzerland
| | - Salvatore Galati
- Parkinson Disease and Movement Disorder Center, Neurocenter of Southern Switzerland, EOC, Via Tesserete 46, 6903, Lugano, Switzerland.
- Faculty of Biomedical Sciences, Università Della Svizzera Italiana (USI), Via Giuseppe Buffi 13, Lugano, Switzerland.
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Wang Q, Wang H, Meng W, Liu C, Li R, Zhang M, Liang K, Gao Y, Du T, Zhang J, Han C, Shi L, Meng F. The NONRATT023402.2/rno-miR-3065-5p/NGFR axis affects levodopa-induced dyskinesia in a rat model of Parkinson's disease. Cell Death Discov 2023; 9:342. [PMID: 37714835 PMCID: PMC10504256 DOI: 10.1038/s41420-023-01644-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 08/26/2023] [Accepted: 09/08/2023] [Indexed: 09/17/2023] Open
Abstract
Levodopa-induced dyskinesia (LID) is a common motor complication in Parkinson's disease. However, few studies have focused on the pathogenesis of LID at the transcriptional level. NONRATT023402.2, a long non-coding RNA (lncRNA) that may be related to LID was discovered in our previous study and characterized in rat models of LID. In the present study, NONRATT023402.2 was overexpressed by injection of adeno-associated virus (AAV) in striatum of LID rats, and 48 potential target genes, including nerve growth factor receptor (NGFR) were screened using next-generation sequencing and target gene predictions. The NONRATT023402.2/rno-miR-3065-5p/NGFR axis was verified using a dual luciferase reporter gene. Overexpression of NONRATT023402.2 significantly increased the abnormal involuntary movements (AIM) score of LID rats, activated the PI3K/Akt signaling pathway, and up-regulated c-Fos in the striatum. NGFR knockdown by injection of ShNGFR-AAV into the striatum of LID rats resulted in a significant decrease in the PI3K/Akt signaling pathway and c-Fos expression. The AIM score of LID rats was positively correlated with the expressions of NONRATT023402.2 and NGFR. A dual luciferase reporter assay showed that c-Fos, as a transcription factor, bound to the NONRATT023402.2 promoter and activated its expression. Together, the results showed that NONRATT023402.2 regulated NGFR expression via a competing endogenous RNA mechanism, which then activated the PI3K/Akt pathway and promoted c-Fos expression. This suggested that c-Fos acted as a transcription factor to activate NONRATT023402.2 expression, and form a positive feedback regulation loop in LID rats, thus, aggravating LID symptoms. NONRATT023402.2 is therefore a possible novel therapeutic target for LID.
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Affiliation(s)
- Qiao Wang
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Neurostimulation, Beijing, China
- Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, China
| | - Huizhi Wang
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Neurostimulation, Beijing, China
| | - Wenjia Meng
- Clinical School, Tianjin Medical University, Tianjin, China
| | - Chong Liu
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Neurostimulation, Beijing, China
| | - Renpeng Li
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Neurostimulation, Beijing, China
| | - Moxuan Zhang
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Neurostimulation, Beijing, China
| | - Kun Liang
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Neurostimulation, Beijing, China
| | - Yuan Gao
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Neurostimulation, Beijing, China
| | - Tingting Du
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Neurostimulation, Beijing, China
| | - Jianguo Zhang
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Neurostimulation, Beijing, China
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Chunlei Han
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China.
- Beijing Key Laboratory of Neurostimulation, Beijing, China.
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
| | - Lin Shi
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China.
- Beijing Key Laboratory of Neurostimulation, Beijing, China.
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
| | - Fangang Meng
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China.
- Beijing Key Laboratory of Neurostimulation, Beijing, China.
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
- Chinese Institute for Brain Research, Beijing, China.
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He S, Fang W, Wu J, Lv H, Zhang J, Wang T, Huang Y, Li G, Li M. Whether mindfulness-guided therapy can be a new direction for the rehabilitation of patients with Parkinson's disease: a network meta-analysis of non-pharmacological alternative motor-/sensory-based interventions. Front Psychol 2023; 14:1162574. [PMID: 37780170 PMCID: PMC10540073 DOI: 10.3389/fpsyg.2023.1162574] [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: 02/11/2023] [Accepted: 07/20/2023] [Indexed: 10/03/2023] Open
Abstract
Background The treatment for Parkinson's disease (PD) consumes a lot of manpower and financial resources. Non-pharmacological alternative motor-/sensory-based interventions are optimized for the rehabilitation of PD patients. Mindfulness-based therapy shows ideal efficacy, but the diversity of the therapy brings difficulties to the selection of clinicians and patients. Methods Network meta-analysis in the Bayesian framework was used to evaluate the efficacy of non-pharmacological alternative motor-/sensory-based interventions in improving motor and non-motor symptoms in PD patients. Results A total of 58 studies (2,227 patients) were included. Compared with the non-intervention group, qigong was associated with improved outcomes in the Timed Up and Go (TUG) test (mean difference (MD) -5.54, 95% confidence interval (CI) -8.28 to -2.77), and UPDRS-I (MD -15.50, 95% CI -19.93 to -7.63). Differences between non-pharmacological alternative motor-/sensory-based interventions were not significant for PDQ-39, UPDRS-I, or UPDRS-II; however, qigong was superior to dance (MD -3.91, 95% CI -6.90 to -0.95), Tai Chi (MD -3.54, 95% CI -6.53 to -0.69), acupuncture (MD -6.75, 95% CI -10.86 to -2.70), music (MD -3.91, 95% CI -7.49 to -0.48), and exercise (MD -3.91, 95% CI -6.49 to -1.33) in the TUG test. Conclusion This network meta-analysis supports mindfulness-based therapy (e.g., qigong, yoga, and Tai Chi) as a preferred non-pharmacological alternative motor-/sensory-based intervention for PD rehabilitation. Systematic review registration https://inplasy.com/inplasy-2022-10-0109/, INPLASY2022100109.
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Affiliation(s)
- Shenglan He
- Medical College of Acupuncture Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wanyi Fang
- Medical College of Acupuncture Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jiaoyang Wu
- Medical College of Acupuncture Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hang Lv
- The Affiliated Traditional Chinese Medicine Hospital of Guangzhou Medical University, Guangzhou, China
| | - Jueyu Zhang
- Medical College of Acupuncture Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
- Guangdong Second Traditional Chinese Medicine Hospital (Fifth Clinical Medical College of Guangzhou University of Chinese Medicine), Guangzhou, China
| | - Tunyi Wang
- Medical College of Acupuncture Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yingjie Huang
- Medical College of Acupuncture Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Guangyao Li
- Medical College of Acupuncture Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Min Li
- Medical College of Acupuncture Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, China
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Figueiredo F, Sárkány Z, Silva A, Vilasboas-Campos D, Maciel P, Teixeira-Castro A, Martins PM, Macedo-Ribeiro S. Drug repurposing of dopaminergic drugs to inhibit ataxin-3 aggregation. Biomed Pharmacother 2023; 165:115258. [PMID: 37549460 DOI: 10.1016/j.biopha.2023.115258] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/24/2023] [Accepted: 07/29/2023] [Indexed: 08/09/2023] Open
Abstract
The accumulation of mutant ataxin-3 (Atx3) in neuronal nuclear inclusions is a pathological hallmark of Machado-Joseph disease (MJD), also known as Spinocerebellar Ataxia Type 3. Decreasing the protein aggregation burden is a possible disease-modifying strategy to tackle MJD and other neurodegenerative disorders for which only symptomatic treatments are currently available. We performed a drug repurposing screening to identify inhibitors of Atx3 aggregation with known toxicological and pharmacokinetic profiles. Interestingly, dopamine hydrochloride and other catecholamines are among the most potent inhibitors of Atx3 aggregation in vitro. Our results indicate that low micromolar concentrations of dopamine markedly delay the formation of mature amyloid fibrils of mutant Atx3 through the inhibition of the earlier oligomerization steps. Although dopamine itself does not cross the blood-brain barrier, dopamine levels in the brain can be increased by low doses of dopamine precursors and dopamine agonists commonly used to treat Parkinsonian symptoms. In agreement, treatment with levodopa ameliorated motor symptoms in a C. elegans model of MJD. These findings suggest a possible application of dopaminergic drugs to halt or reduce Atx3 accumulation in the brains of MJD patients.
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Affiliation(s)
- Francisco Figueiredo
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal; Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Porto, Portugal
| | - Zsuzsa Sárkány
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal; Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Porto, Portugal
| | - Alexandra Silva
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal; Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Porto, Portugal
| | - Daniela Vilasboas-Campos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Patrícia Maciel
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Andreia Teixeira-Castro
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Pedro M Martins
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal; Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Porto, Portugal.
| | - Sandra Macedo-Ribeiro
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal; Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Porto, Portugal.
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Martinez-Carrasco A, Real R, Lawton M, Iwaki H, Tan MMX, Wu L, Williams NM, Carroll C, Hu MTM, Grosset DG, Hardy J, Ryten M, Foltynie T, Ben-Shlomo Y, Shoai M, Morris HR. Genetic meta-analysis of levodopa induced dyskinesia in Parkinson's disease. NPJ Parkinsons Dis 2023; 9:128. [PMID: 37652906 PMCID: PMC10471743 DOI: 10.1038/s41531-023-00573-2] [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: 05/25/2023] [Accepted: 08/16/2023] [Indexed: 09/02/2023] Open
Abstract
The genetic basis of levodopa-induced-dyskinesia (LiD) is poorly understood, and there have been few well-powered genome-wide studies. We performed a genome-wide survival meta-analyses to study the effect of genetic variation on the development of LiD in five separate longitudinal cohorts, and meta-analysed the results. We included 2784 PD patients, of whom 14.6% developed LiD. We found female sex (HR = 1.35, SE = 0.11, P = 0.007) and younger age at onset (HR = 1.8, SE = 0.14, P = 2 × 10-5) increased the probability of developing LiD. We identified three genetic loci significantly associated with time-to-LiD onset. rs72673189 on chromosome 1 (HR = 2.77, SE = 0.18, P = 1.53 × 10-8) located at the LRP8 locus, rs189093213 on chromosome 4 (HR = 3.06, SE = 0.19, P = 2.81 × 10-9) in the non-coding RNA LINC02353 locus, and rs180924818 on chromosome 16 (HR = 3.13, SE = 0.20, P = 6.27 × 10-9) in the XYLT1 locus. Based on a functional annotation analysis on chromosome 1, we determined that changes in DNAJB4 gene expression, close to LRP8, are an additional potential cause of increased susceptibility to LiD. Baseline anxiety status was significantly associated with LiD (OR = 1.14, SE = 0.03, P = 7.4 × 10-5). Finally, we performed a candidate variant analysis of previously reported loci, and found that genetic variability in ANKK1 (rs1800497, HR = 1.27, SE = 0.09, P = 8.89 × 10-3) and BDNF (rs6265, HR = 1.21, SE = 0.10, P = 4.95 × 10-2) loci were significantly associated with time to LiD in our large meta-analysis.
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Affiliation(s)
- Alejandro Martinez-Carrasco
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK.
- UCL Movement Disorders Centre, University College London, London, UK.
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA.
| | - Raquel Real
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK
- UCL Movement Disorders Centre, University College London, London, UK
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
| | - Michael Lawton
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Hirotaka Iwaki
- Center for Alzheimer's and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
- Data Tecnica International, Glen Echo, MD, USA
| | - Manuela M X Tan
- Department of Neurology, Oslo University Hospital, Oslo, Norway
| | - Lesley Wu
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK
- UCL Movement Disorders Centre, University College London, London, UK
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
| | - Nigel M Williams
- Institute of Psychological Medicine and Clinical Neurosciences, MRC Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Cardiff, UK
| | - Camille Carroll
- Faculty of Health, University of Plymouth, Plymouth, UK
- Translational and Clinical Research Institute, Newcastle University, Newcastle, UK
| | - Michele T M Hu
- Nuffield Department of Clinical Neurosciences, Division of Clinical Neurology, University of Oxford, Oxford, UK
- Oxford Parkinson's Disease Centre, University of Oxford, Oxford, UK
| | - Donald G Grosset
- School of Neuroscience and Psychology, University of Glasgow, Glasgow, UK
| | - John Hardy
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Department of Neurodegenerative Diseases, UCL Queen Square Institute of Neurology, University College London, London, UK
- UK Dementia Research Institute, University College London, London, UK
- Reta Lila Weston Institute, UCL Queen Square Institute of Neurology, London, UK
- National Institute for Health Research (NIHR) University College London Hospitals Biomedical Research Centre, London, UK
- Institute for Advanced Study, The Hong Kong University of Science and Technology, Hong Kong SAR, China
| | - Mina Ryten
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Genetics and Genomic Medicine, UCL Great Ormond Street Institute of Child Health, University College London, London, UK
- NIHR Great Ormond Street Hospital Biomedical Research Centre, University College London, London, UK
| | - Tom Foltynie
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Yoav Ben-Shlomo
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Maryam Shoai
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA
- Department of Neurodegenerative Diseases, UCL Queen Square Institute of Neurology, University College London, London, UK
- UK Dementia Research Institute, University College London, London, UK
| | - Huw R Morris
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, UK.
- UCL Movement Disorders Centre, University College London, London, UK.
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815, USA.
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Luo Y, Chen H, Gui M. Radiomics and Hybrid Models Based on Machine Learning to Predict Levodopa-Induced Dyskinesia of Parkinson's Disease in the First 6 Years of Levodopa Treatment. Diagnostics (Basel) 2023; 13:2511. [PMID: 37568874 PMCID: PMC10417024 DOI: 10.3390/diagnostics13152511] [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: 06/21/2023] [Revised: 07/23/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023] Open
Abstract
BACKGROUND Current research on the prediction of movement complications associated with levodopa therapy in Parkinson's disease (PD) is limited. levodopa-induced dyskinesia (LID) is a movement complication that seriously affects the life quality of PD patients. One-third of PD patients develop LID within 1 to 6 years of levodopa treatment. This study aimed to construct models based on radiomics and machine learning to predict early LID in PD. METHODS We extracted radiomics features from the T1-weighted MRI obtained in the baseline of 49 PD control and 54 PD with LID in the first 6 years of levodopa therapy. Six brain regions related to the onset of PD were segmented as regions of interest (ROIs). The least absolute shrinkage and selection operator (LASSO) was used for feature selection. Using the machine learning methods of support vector machine (SVM), random forest (RF), and AdaBoost, we constructed radiomics models and hybrid models. The hybrid models combined the radiomics features and the Unified Parkinson's Disease Rating Scale part III (UPDRS III) total score. The five-fold cross-validation was performed and repeated 20 times to validate the stability of the classifiers. We used sensitivity, specificity, accuracy, receiver operating characteristic (ROC) curves, and area under the ROC curve (AUC) for model validation. RESULTS We selected 33 out of 6138 radiomics features. In the testing set of the radiomics model, the AUC values of the SVM, RF, and AdaBoost classifiers were 0.905, 0.808, and 0.778, respectively, and the accuracies were 0.839, 0.742, and 0.710. The hybrid models had better prediction performance. In the testing set, the AUC values of SVM, RF, and AdaBoost classifiers were 0.958, 0.861, and 0.832, respectively, and the accuracies were 0.903, 0.806, and 0.774. CONCLUSIONS Our results indicate that T1-weighted MRI is valuable in predicting early LID in PD. This work demonstrates that the combination of radiomics features and clinical features has good potential and value for identifying early LID in PD.
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Affiliation(s)
- Yang Luo
- Department of Neurology, Xiangya Hospital, Central South University, Changsha 410083, China;
| | - Huiqin Chen
- Department of Radiology, Xiangya Hospital, Central South University, Changsha 410083, China;
| | - Mingzhen Gui
- School of Automation, Central South University, Changsha 410083, China
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Sauerbier A, Gronostay A, Dafsari HS. SOP: acute hyperkinetic movement disorders. Neurol Res Pract 2023; 5:35. [PMID: 37496100 PMCID: PMC10373268 DOI: 10.1186/s42466-023-00260-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 06/26/2023] [Indexed: 07/28/2023] Open
Abstract
INTRODUCTION Movement disorders emergencies describe acute-onset neurological conditions in which a delay of recognition and treatment may cause severe morbidity and mortality of patients. Hyperkinetic movement disorders include tremor, chorea/ballism, dystonia, myoclonus, and tics. Here we present a standard operating procedure (SOP) for the diagnostic work-up and different treatment options depending on the phenomenology as well as the aetiology of underlying diseases. COMMENTS The recognition of the phenomenology is essential for the symptomatic therapy of the acute movement disorder and forms the basis for the choice of ancillary investigations to confirm the suspected underlying causes. Furthermore, we summarise diagnostic techniques, including blood and cerebrospinal fluid tests and neuroimaging, which provide rapid results and are useful for the indication of causal treatments of specific acute movement disorders. CONCLUSIONS Despite their acute nature, most of these conditions can result in good clinical outcomes, if recognised early.
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Affiliation(s)
- Anna Sauerbier
- Faculty of Medicine, Department of Neurology, University of Cologne, University Hospital Cologne, Cologne, Germany
| | - Alexandra Gronostay
- Faculty of Medicine, Department of Neurology, University of Cologne, University Hospital Cologne, Cologne, Germany
| | - Haidar S Dafsari
- Faculty of Medicine, Department of Neurology, University of Cologne, University Hospital Cologne, Cologne, Germany.
- Department of Neurology, University Hospital Cologne, Kerpener Str. 62, 50937, Cologne, Germany.
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di Biase L, Pecoraro PM, Carbone SP, Caminiti ML, Di Lazzaro V. Levodopa-Induced Dyskinesias in Parkinson's Disease: An Overview on Pathophysiology, Clinical Manifestations, Therapy Management Strategies and Future Directions. J Clin Med 2023; 12:4427. [PMID: 37445461 DOI: 10.3390/jcm12134427] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 06/18/2023] [Accepted: 06/27/2023] [Indexed: 07/15/2023] Open
Abstract
Since its first introduction, levodopa has become the cornerstone for the treatment of Parkinson's disease and remains the leading therapeutic choice for motor control therapy so far. Unfortunately, the subsequent appearance of abnormal involuntary movements, known as dyskinesias, is a frequent drawback. Despite the deep knowledge of this complication, in terms of clinical phenomenology and the temporal relationship during a levodopa regimen, less is clear about the pathophysiological mechanisms underpinning it. As the disease progresses, specific oscillatory activities of both motor cortical and basal ganglia neurons and variation in levodopa metabolism, in terms of the dopamine receptor stimulation pattern and turnover rate, underlie dyskinesia onset. This review aims to provide a global overview on levodopa-induced dyskinesias, focusing on pathophysiology, clinical manifestations, therapy management strategies and future directions.
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Affiliation(s)
- Lazzaro di Biase
- Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, 00128 Roma, Italy
- Brain Innovations Lab, Università Campus Bio-Medico di Roma, Via Álvaro del Portillo, 21, 00128 Rome, Italy
| | - Pasquale Maria Pecoraro
- Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, 00128 Roma, Italy
- Unit of Neurology, Neurophysiology, Neurobiology and Psichiatry, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, 00128 Roma, Italy
| | - Simona Paola Carbone
- Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, 00128 Roma, Italy
- Unit of Neurology, Neurophysiology, Neurobiology and Psichiatry, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, 00128 Roma, Italy
| | - Maria Letizia Caminiti
- Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, 00128 Roma, Italy
- Unit of Neurology, Neurophysiology, Neurobiology and Psichiatry, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, 00128 Roma, Italy
| | - Vincenzo Di Lazzaro
- Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200, 00128 Roma, Italy
- Unit of Neurology, Neurophysiology, Neurobiology and Psichiatry, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, 00128 Roma, Italy
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Scanga A, Lafontaine AL, Kaminska M. An overview of the effects of levodopa and dopaminergic agonists on sleep disorders in Parkinson's disease. J Clin Sleep Med 2023; 19:1133-1144. [PMID: 36716191 PMCID: PMC10235717 DOI: 10.5664/jcsm.10450] [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: 07/23/2022] [Revised: 12/09/2022] [Accepted: 12/09/2022] [Indexed: 01/31/2023]
Abstract
Sleep disorders are among the most common nonmotor symptoms in Parkinson's disease and are associated with reduced cognition and health-related quality of life. Disturbed sleep can often present in the prodromal or early stages of this neurodegenerative disease, rendering it crucial to manage and treat these symptoms. Levodopa and dopaminergic agonists are frequently prescribed to treat motor symptoms in Parkinson's disease, and there is increasing interest in how these pharmacological agents affect sleep and their effect on concomitant sleep disturbances and disorders. In this review, we discuss the role of dopamine in regulating the sleep-wake state and the impact of neurodegeneration on sleep. We provide an overview of the effects of levodopa and dopaminergic agonists on sleep architecture, insomnia, excessive daytime sleepiness, sleep-disordered breathing, rapid eye movement sleep behavior disorder, and restless legs syndrome in Parkinson's disease. Levodopa and dopaminergic drugs may have different effects, beneficial or adverse, depending on dosing, method of administration, and differential effects on the different dopamine receptors. Future research in this area should focus on elucidating the specific mechanisms by which these drugs affect sleep in order to better understand the pathophysiology of sleep disorders in Parkinson's disease and aid in developing suitable therapies and treatment regimens. CITATION Scanga A, Lafontaine A-L, Kaminska M. An overview of the effects of levodopa and dopaminergic agonists on sleep disorders in Parkinson's disease. J Clin Sleep Med. 2023;19(6):1133-1144.
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Affiliation(s)
- Amanda Scanga
- Division of Experimental Medicine, Glen Site, McGill University Health Centre, Montréal, Québec, Canada
| | - Anne-Louise Lafontaine
- Montreal Neurological Institute, McGill University Health Centre, Montréal, Québec, Canada
| | - Marta Kaminska
- Respiratory Epidemiology and Clinical Research Unit, Research Institute of the McGill University Health Centre, Montréal, Québec, Canada
- Respiratory Division and Sleep Laboratory, McGill University Health Centre, Montréal, Québec, Canada
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Martinez-Carrasco A, Real R, Lawton M, Iwaki H, Tan MMX, Wu L, Williams NM, Carroll C, Hu MT, Grosset DG, Hardy J, Ryten M, Foltynie T, Ben-Shlomo Y, Shoai M, Morris HR. Genetic meta-analysis of levodopa induced dyskinesia in Parkinson's disease. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.05.24.23290362. [PMID: 37425912 PMCID: PMC10327264 DOI: 10.1101/2023.05.24.23290362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/11/2023]
Abstract
Importance Forty percent of Parkinson's disease patients develop levodopa-induced-dyskinesia (LiD) within 4 years of starting levodopa. The genetic basis of LiD remains poorly understood, and there have been few well powered studies. Objective To discover common genetic variants in the PD population that increase the probability of developing LiD. Design setting and Participants We performed survival analyses to study the development of LiD in 5 separate longitudinal cohorts. We performed a meta-analysis to combine the results of genetic association from each study based on a fixed effects model weighting the effect sizes by the inverse of their standard error. The selection criteria was specific to each cohort. We studied individuals that were genotyped from each cohort and that passed our analysis specific inclusion criteria. Main Outcomes and Measures We measured the time for PD patients on levodopa treatment to develop LiD as defined by reaching a score higher or equal than 2 from the MDS-UPDRS part IV, item 1, which is equivalent to a range of 26%-50% of the waking time with dyskinesia. We carried out a genome-wide analysis of the hazard ratio and the association of genome-wide SNPs with the probability of developing LiD using cox proportional hazard models (CPH). Results This study included 2,784 PD patients of European ancestry, of whom 14.6% developed LiD. Consistent with previous studies, we found female gender (HR = 1.35, SE = 0.11, P = 0.007) and younger age at onset (HR = 1.8, SE = 0.14, P = 2 × 10 -5 ) to increase the probability of developing LiD. We identified three loci significantly associated with time-to-LiD onset. rs72673189 on chromosome 1 (HR = 2.77, SE = 0.18, P = 1.53 × 10 -8 ) located in the LRP8 locus, rs189093213 on chromosome 4 (HR = 3.06,, SE = 0.19, P = 2.81 × 10 -9 ) in the non-coding RNA LINC02353 locus, and rs180924818 on chromosome 16 (HR = 3.13, SE = 0.20, P = 6.27 × 10 -9 ) in the XYLT1 locus. Subsequent colocalization analyses on chromosome 1 identified DNAJB4 as a candidate gene associated with LiD through a change in gene expression. We computed a PRS based on our GWAS meta-analysis and found high accuracy to stratify between PD-LID and PD (AUC 83.9). We also performed a stepwise regression analysis for baseline features selection associated with LiD status. We found baseline anxiety status to be significantly associated with LiD (OR = 1.14, SE = 0.03, P = 7.4 × 10 -5 ). Finally, we performed a candidate variant analysis and found that genetic variability in ANKK1 ( rs1800497 , Beta = 0.24, SE = 0.09, P = 8.89 × 10 -3 ) and BDNF ( rs6265 , Beta = 0.19, SE = 0.10, P = 4.95 × 10 -2 ) loci were significantly associated with time to LiD in our large meta-analysis. Conclusion In this association study, we have found three novel genetic variants associated with LiD, as well as confirming reports that variability in ANKK1 and BDNF loci were significantly associated with LiD probability. A PRS nominated from our time-to-LiD meta-analysis significantly differentiated between PD-LiD and PD. In addition, we have found female gender, young PD onset and anxiety to be significantly associated with LiD.
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Affiliation(s)
- Alejandro Martinez-Carrasco
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, UK
- UCL Movement Disorders Centre, University College London, London, UK
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815
| | - Raquel Real
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, UK
- UCL Movement Disorders Centre, University College London, London, UK
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815
| | - Michael Lawton
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Hirotaka Iwaki
- Center for Alzheimer’s and Related Dementias (CARD), National Institute on Aging and National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
- Data Tecnica International, Glen Echo, Maryland, USA
| | | | - Lesley Wu
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, UK
- UCL Movement Disorders Centre, University College London, London, UK
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815
| | - Nigel M. Williams
- Institute of Psychological Medicine and Clinical Neurosciences, MRC Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, Cardiff, UK
| | - Camille Carroll
- Faculty of Health, University of Plymouth, Plymouth, UK; Translational and Clinical Research Institute, Newcastle University, Newcastle, UK
| | - Michele T.M. Hu
- Nuffield Department of Clinical Neurosciences, Division of Clinical Neurology, University of Oxford, Oxford, UK
- Oxford Parkinson’s Disease Centre, University of Oxford, Oxford, UK
| | - Donald G. Grosset
- School of Neuroscience and Psychology, University of Glasgow, Glasgow, UK
| | - John Hardy
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815
- Department of Neurodegenerative Diseases, UCL Queen Square Institute of Neurology, University College London, London, UK
- UK Dementia Research Institute, University College London, London, UK
- Reta Lila Weston Institute, UCL Queen Square Institute of Neurology, London, UK
- National Institute for Health Research (NIHR) University College London Hospitals Biomedical Research Centre, London, UK
- Institute for Advanced Study, The Hong Kong University of Science and Technology, Hong Kong SAR, China
| | - Mina Ryten
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815
- Genetics and Genomic Medicine, UCL Great Ormond Street Institute of Child Health, University College London, London, UK
- NIHR Great Ormond Street Hospital Biomedical Research Centre, University College London, London, UK
| | - Tom Foltynie
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, UK
| | - Yoav Ben-Shlomo
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Maryam Shoai
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815
- Department of Neurodegenerative Diseases, UCL Queen Square Institute of Neurology, University College London, London, UK
- UK Dementia Research Institute, University College London, London, UK
| | - Huw R. Morris
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, UK
- UCL Movement Disorders Centre, University College London, London, UK
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, 20815
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Matar E, Bhatia K. Dystonia and Parkinson's disease: Do they have a shared biology? INTERNATIONAL REVIEW OF NEUROBIOLOGY 2023; 169:347-411. [PMID: 37482398 DOI: 10.1016/bs.irn.2023.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
Abstract
Parkinsonism and dystonia co-occur across many movement disorders and are most encountered in the setting of Parkinson's disease. Here we aim to explore the shared neurobiological underpinnings of dystonia and parkinsonism through the clinical lens of the conditions in which these movement disorders can be seen together. Foregrounding the discussion, we briefly review the circuits of the motor system and the neuroanatomical and neurophysiological aspects of motor control and highlight their relevance to the proposed pathophysiology of parkinsonism and dystonia. Insight into shared biology is then sought from dystonia occurring in PD and other forms of parkinsonism including those disorders in which both can be co-expressed simultaneously. We organize these within a biological schema along with important questions to be addressed in this space.
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Affiliation(s)
- Elie Matar
- UCL Queen Square Institute of Neurology Department of Clinical and Movement Neurosciences, Queen Square, London, United Kingdom; Central Clinical School, Faculty of Medicine and Health, University of Sydney, Sydney, Australia.
| | - Kailash Bhatia
- UCL Queen Square Institute of Neurology Department of Clinical and Movement Neurosciences, Queen Square, London, United Kingdom
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42
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Fang X, Yuan M, Zhao F, Yu A, Lin Q, Li S, Li H, Wang X, Yu Y, Wang X, Lin Q, Lu C, Yang H. In situ continuous Dopa supply by responsive artificial enzyme for the treatment of Parkinson's disease. Nat Commun 2023; 14:2661. [PMID: 37160866 PMCID: PMC10169781 DOI: 10.1038/s41467-023-38323-w] [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: 12/26/2022] [Accepted: 04/26/2023] [Indexed: 05/11/2023] Open
Abstract
Oral dihydroxyphenylalanine (Dopa) administration to replenish neuronal dopamine remains the most effective treatment for Parkinson's disease (PD). However, unlike the continuous and steady dopamine signaling in normal neurons, oral Dopa induces dramatic fluctuations in plasma Dopa levels, leading to Dopa-induced dyskinesia. Herein, we report a functional nucleic acid-based responsive artificial enzyme (FNA-Fe3O4) for in situ continuous Dopa production. FNA-Fe3O4 can cross the blood-brain barrier and target diseased neurons relying on transferrin receptor aptamer. Then, FNA-Fe3O4 responds to overexpressed α-synuclein mRNA in diseased neurons for antisense oligonucleotide treatment and fluorescence imaging, while converting to tyrosine aptamer-based artificial enzyme (Apt-Fe3O4) that mimics tyrosine hydroxylase for in situ continuous Dopa production. In vivo FNA-Fe3O4 treatment results in recovery of Dopa and dopamine levels and decrease of pathological overexpressed α-synuclein in PD mice model, thus ameliorating motor symptoms and memory deficits. The presented functional nucleic acid-based responsive artificial enzyme strategy provides a more neuron friendly approach for the diagnosis and treatment of PD.
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Affiliation(s)
- Xiao Fang
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Meng Yuan
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Fang Zhao
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Aoling Yu
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Qianying Lin
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Shiqing Li
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Huichen Li
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Xinyang Wang
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Yanbin Yu
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Xin Wang
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Qitian Lin
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Chunhua Lu
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China.
| | - Huanghao Yang
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China.
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Lin M, Yu H, Xie Q, Xu Z, Shang P. Role of microglia autophagy and mitophagy in age-related neurodegenerative diseases. Front Aging Neurosci 2023; 14:1100133. [PMID: 37180741 PMCID: PMC10169626 DOI: 10.3389/fnagi.2022.1100133] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 12/28/2022] [Indexed: 05/16/2023] Open
Abstract
Microglia, characterized by responding to damage, regulating the secretion of soluble inflammatory mediators, and engulfing specific segments in the central nervous system (CNS), function as key immune cells in the CNS. Emerging evidence suggests that microglia coordinate the inflammatory responses in CNS system and play a pivotal role in the pathogenesis of age-related neurodegenerative diseases (NDDs). Remarkably, microglia autophagy participates in the regulation of subcellular substances, which includes the degradation of misfolded proteins and other harmful constituents produced by neurons. Therefore, microglia autophagy regulates neuronal homeostasis maintenance and process of neuroinflammation. In this review, we aimed at highlighting the pivotal role of microglia autophagy in the pathogenesis of age-related NDDs. Besides the mechanistic process and the co-interaction between microglia autophagy and different kinds of NDDs, we also emphasized potential therapeutic agents and approaches that could be utilized at the onset and progression of these diseases through modulating microglia autophagy, including promising nanomedicines. Our review provides a valuable reference for subsequent studies focusing on treatments of neurodegenerative disorders. The exploration of microglia autophagy and the development of nanomedicines greatly enhances current understanding of NDDs.
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Affiliation(s)
- Mingkai Lin
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Hongwen Yu
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Qiuyan Xie
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zhiyun Xu
- Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Pei Shang
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Breast Center, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
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44
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Kakoty V, Sarathlal KC, Gulati M, Bey Hing G, Dua K, Kumar Singh S. Senolytics: opening avenues in drug discovery to find novel therapeutics for Parkinson's disease. Drug Discov Today 2023; 28:103582. [PMID: 37023942 DOI: 10.1016/j.drudis.2023.103582] [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: 01/05/2023] [Revised: 03/15/2023] [Accepted: 03/30/2023] [Indexed: 04/08/2023]
Abstract
Aging is one of the major risk factors for most neurodegenerative disorders including Parkinson's disease (PD). More than 10 million people are affected with PD worldwide. One of the predominant factors accountable for progression of PD pathology could be enhanced accumulation of senescent cells in the brain with the progress of age. Recent investigations have highlighted that senescent cells can ignite PD pathology via increased oxidative stress and neuroinflammation. Senolytics are agents that kill senescent cells. This review mainly focuses on understanding the pathological connection between senescence and PD, with emphasis on some of the recent advances made in the area of senolytics and their evolution to potential clinical candidates for future pharmaceuticals against PD.
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Affiliation(s)
- Violina Kakoty
- School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T Road, Phagwara, Punjab, India
| | - K C Sarathlal
- Department of Non-Communicable Disease, Translational Health Science and Technology Institute, Faridabad, India
| | - Monica Gulati
- School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T Road, Phagwara, Punjab, India; Faculty of Health, Australian Research Centre in Complementary & Integrative Medicine, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Goh Bey Hing
- Biofunctional Molecule Exploratory Research Group, School of Pharmacy, Monash University Malaysia, Bandar Sunway, Selangor Darul Ehsan 47500, Malaysia; College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Kamal Dua
- Faculty of Health, Australian Research Centre in Complementary & Integrative Medicine, University of Technology Sydney, Ultimo, NSW, 2007, Australia; Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW 2007, Australia
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T Road, Phagwara, Punjab, India; Faculty of Health, Australian Research Centre in Complementary & Integrative Medicine, University of Technology Sydney, Ultimo, NSW, 2007, Australia.
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Bhidayasiri R, Koebis M, Kamei T, Ishida T, Suzuki I, Cho JW, Wu SL. Sustained response in early responders to safinamide in patients with Parkinson's disease and motor fluctuations: A post hoc analysis of the SETTLE study. Front Neurol 2023; 14:1147008. [PMID: 37051060 PMCID: PMC10083404 DOI: 10.3389/fneur.2023.1147008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 03/06/2023] [Indexed: 03/29/2023] Open
Abstract
Safinamide is a selective, reversible, monoamine oxidase B inhibitor for the treatment of patients with Parkinson's disease (PD) and motor fluctuations. This was a post hoc analysis of the SETTLE study, in which patients with PD and motor fluctuations were randomly assigned to 24-week treatment with safinamide (50 mg/day for 2 weeks, increased to 100 mg/day if tolerated) or placebo. In the present analysis, responders were defined according to their treatment responses at Week 2 and Week 24 based on changes in ON-time without troublesome dyskinesia from baseline with cutoffs of 1 hour. It was found that 81% (103/127) of the responders at Week 2 maintained the response through Week 24 in the safinamide group. Other outcomes did not necessarily coincide with the ON-time response; however, “Early” responders who showed a treatment response at both Week 2 and Week 24 had substantial improvements from baseline in OFF-time, UPDRS Part II and III scores, and PDQ-39 summary index scores through Week 24. The safinamide group had a higher proportion of early responders than the placebo group (39% vs 20%, p < 0.0001). At baseline, early responders in the safinamide group had significantly higher UPDRS Part II and III scores, shorter ON-time, and longer OFF-time than the other responder populations. In conclusion, the results of the present post hoc analysis suggest that patients with a short ON-time, severe motor symptoms, and highly compromised activities of daily living can benefit from safinamide early in treatment and over the long term.
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Affiliation(s)
- Roongroj Bhidayasiri
- Chulalongkorn Centre of Excellence for Parkinson's Disease and Related Disorders, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
- The Academy of Science, The Royal Society of Thailand, Bangkok, Thailand
- *Correspondence: Roongroj Bhidayasiri
| | | | | | | | - Ippei Suzuki
- Clinical Evidence Generation Fulfillment, Deep Human Biology Learning, Eisai Co., Ltd., Tokyo, Japan
| | - Jin Whan Cho
- Department of Neurology, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
- Neuroscience Center, Samsung Medical Center, Seoul, Republic of Korea
| | - Shey-Lin Wu
- Department of Neurology, Changhua Christian Hospital, Changhua, Taiwan
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Pinna A, Parekh P, Morelli M. Serotonin 5-HT 1A receptors and their interactions with adenosine A 2A receptors in Parkinson's disease and dyskinesia. Neuropharmacology 2023; 226:109411. [PMID: 36608814 DOI: 10.1016/j.neuropharm.2023.109411] [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: 11/04/2022] [Revised: 12/19/2022] [Accepted: 01/03/2023] [Indexed: 01/05/2023]
Abstract
The dopamine neuronal loss that characterizes Parkinson's Disease (PD) is associated to changes in neurotransmitters, such as serotonin and adenosine, which contribute to the symptomatology of PD and to the onset of dyskinetic movements associated to levodopa treatment. The present review describes the role played by serotonin 5-HT1A receptors and the adenosine A2A receptors on dyskinetic movements induced by chronic levodopa in PD. The focus is on preclinical and clinical results showing the interaction between serotonin 5-HT1A receptors and other receptors such as 5-HT1B receptors and adenosine A2A receptors. 5-HT1A/1B receptor agonists and A2A receptor antagonists, administered in combination, contrast dyskinetic movements induced by chronic levodopa without impairing motor behaviour, suggesting that this drug combination might be a useful therapeutic approach for counteracting the PD motor deficits and dyskinesia associated with chronic levodopa treatment. This article is part of the Special Issue on "The receptor-receptor interaction as a new target for therapy".
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Affiliation(s)
- Annalisa Pinna
- National Research Council of Italy, Neuroscience Institute, UOS of Cagliari, c/o Department of Biomedical Sciences, Cittadella Universitaria di Monserrato, 09042, Monserrato (CA), Italy.
| | - Pathik Parekh
- Department of Biomedical Sciences, Section of Neuroscience, University of Cagliari, Cittadella Universitaria di Monserrato, 09042, Monserrato (CA), Italy
| | - Micaela Morelli
- National Research Council of Italy, Neuroscience Institute, UOS of Cagliari, c/o Department of Biomedical Sciences, Cittadella Universitaria di Monserrato, 09042, Monserrato (CA), Italy; Department of Biomedical Sciences, Section of Neuroscience, University of Cagliari, Cittadella Universitaria di Monserrato, 09042, Monserrato (CA), Italy.
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Mishima T, Chiu SW, Saiki H, Yamaguchi T, Shimo Y, Maeda T, Watanabe H, Kashihara K, Nomoto M, Hattori N, Tsuboi Y. Risk factors for developing dyskinesia among Parkinson's disease patients with wearing-off: J-FIRST. J Neurol Sci 2023; 448:120619. [PMID: 37023638 DOI: 10.1016/j.jns.2023.120619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 02/08/2023] [Accepted: 03/20/2023] [Indexed: 04/03/2023]
Abstract
BACKGROUND Dyskinesia frequently occurs during long-term treatment with levodopa in patients with Parkinson's disease (PD) and impacts quality of life. Few studies have examined risk factors for developing dyskinesia in PD patients exhibiting wearing-off. Therefore, we investigated the risk factors and impact of dyskinesia in PD patients exhibiting wearing-off. METHODS We investigated the risk factors and impact of dyskinesia in a 1-year observational study of Japanese PD patients exhibiting wearing-off (J-FIRST). Risk factors were assessed by logistic regression analyses in patients without dyskinesia at study entry. Mixed-effect models were used to evaluate the impact of dyskinesia on changes in Movement Disorder Society-Unified PD Rating Scale (MDS-UPDRS) Part I and PD Questionnaire (PDQ)-8 scores from one timepoint before dyskinesia was observed. RESULTS Of 996 patients analyzed, 450 had dyskinesia at baseline, 133 developed dyskinesia within 1 year, and 413 did not develop dyskinesia. Female sex (odds ratio [95% confidence interval]: 2.636 [1.645-4.223]) and administration of a dopamine agonist (1.840 [1.083-3.126]), a catechol-O-methyltransferase inhibitor (2.044 [1.285-3.250]), or zonisamide (1.869 [1.184-2.950]) were independent risk factors for dyskinesia onset. MDS-UPDRS Part I and PDQ-8 scores increased significantly after the onset of dyskinesia (least-squares mean change [standard error] at 52 weeks: 1.11 [0.52], P = 0.0336; 1.53 [0.48], P = 0.0014; respectively). CONCLUSION Female sex and administration of a dopamine agonist, a catechol-O-methyltransferase inhibitor, or zonisamide were risk factors for dyskinesia onset within 1 year in PD patients exhibiting wearing-off. Nonmotor symptoms and quality of life deteriorated after dyskinesia onset.
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Chen F, Ren A, Wang M, Fu Y, Huo Y, Chen J, Ge R, Wang H. A case report of Parkinson's disease with acute and unmanageable myoclonic dyskinesia. Clin Neurol Neurosurg 2023; 226:107614. [PMID: 36738642 DOI: 10.1016/j.clineuro.2023.107614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 12/10/2022] [Accepted: 02/01/2023] [Indexed: 02/05/2023]
Affiliation(s)
- Fang Chen
- Department of Neurology, Binzhou Medical University Hospital, China
| | - Anyan Ren
- Department of Neurology, Binzhou Medical University Hospital, China
| | - Mengdi Wang
- Department of Neurology, Binzhou Medical University Hospital, China
| | - Yong Fu
- Department of Neurology, Shandong Provincial Third Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong Province 250000, China
| | - Yingqian Huo
- Department of Neurology, Binzhou Medical University Hospital, China
| | - Jinbo Chen
- Department of Neurology, Binzhou Medical University Hospital, China
| | - Ruli Ge
- Department of Neurology, Binzhou Medical University Hospital, China.
| | - Hongcai Wang
- Department of Neurology, Binzhou Medical University Hospital, China.
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Role of P11 through serotonergic and glutamatergic pathways in LID. Mol Biol Rep 2023; 50:4535-4549. [PMID: 36853472 DOI: 10.1007/s11033-023-08326-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Accepted: 02/09/2023] [Indexed: 03/01/2023]
Abstract
Parkinson's disease is a progressive neurodegenerative disorder caused by the degeneration of dopaminergic neurons. This leads to the pathogenesis of multiple basal ganglia-thalamomotor loops and diverse neurotransmission alterations. Dopamine replacement therapy, and on top of that, levodopa and l-3,4-dihydroxyphenylalanine (L-DOPA), is the gold standard treatment, while it develops numerous complications. Levodopa-induced dyskinesia (LID) is well-known as the most prominent side effect. Several studies have been devoted to tackling this problem. Studies showed that metabotropic glutamate receptor 5 (mGluR5) antagonists and 5-hydroxytryptamine receptor 1B (5HT1B) agonists significantly reduced LID when considering the glutamatergic overactivity and compensatory mechanisms of serotonergic neurons after L-DOPA therapy. Moreover, it is documented that these receptors act through an adaptor protein called P11 (S100A10). This protein has been thought to play a crucial role in LID due to its interactions with numerous ion channels and receptors. Lately, experiments have shown successful evidence of the effects of P11 blockade on alleviating LID greater than 5HT1B and mGluR5 manipulations. In contrast, there is a trace of ambiguity in the exact mechanism of action. P11 has shown the potential to be a promising target to diminish LID and prolong L-DOPA therapy in parkinsonian patients owing to further studies and experiments.
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Yuan Y, Zhang X, Wu Y, Lian P, Cao X, Xu Y. ONO-2506 Can Delay Levodopa-induced Dyskinesia in the Early Stage. Neuroscience 2023:S0306-4522(23)00068-4. [PMID: 36796751 DOI: 10.1016/j.neuroscience.2023.02.004] [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: 11/01/2022] [Revised: 02/03/2023] [Accepted: 02/08/2023] [Indexed: 02/17/2023]
Abstract
BACKGROUND Levodopa-induced dyskinesia (LID) is a common motor complication of levodopa (L-DOPA) treatment for Parkinson's disease (PD). In recent years, the role of astrocytes in LID has increasingly attracted attention. OBJECTIVE To explore the effect of an astrocyte regulator (ONO-2506) on LID in a rat model and the potential underlying physiological mechanism. METHODS Unilateral LID rat models, established by administering 6-hydroxydopamine (6-OHDA) into the right medial forebrain bundle through stereotactic injection, were injected with ONO-2506 or saline into the striatum through brain catheterization and were administered L-DOPA to induce LID. Through a series of behavioral experiments, LID performance was observed. Relevant indicators were assessed through biochemical experiments. RESULTS In the LID model of 6-OHDA rats, ONO-2506 significantly delayed the development and reduced the degree of abnormal involuntary movement in the early stage of L-DOPA treatment and increased glial fibrillary acidic protein and glutamate transporter 1 (GLT-1) expression in the striatum compared to saline. However, there was no significant difference in the improvement in motor function between the ONO-2506 and saline groups. CONCLUSIONS ONO-2506 delays the emergence of L-DOPA-induced abnormal involuntary movements in the early stage of L-DOPA administration, without affecting the anti-PD effect of L-DOPA. The delaying effect of ONO-2506 on LID may be linked to the increased expression of GLT-1 in the rat striatum. Interventions targeting astrocytes and glutamate transporters are potential therapeutic strategies to delay the development of LID.
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Affiliation(s)
- Yuhao Yuan
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xiaoqian Zhang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yi Wu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Piaopiao Lian
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xuebing Cao
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
| | - Yan Xu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
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