Journal of Movement Disorders

Letter to the editor

Early-Onset Spastic Ataxia in a Patient With the Prion (PRNP) p.Val180Ile Variant: Seungmin Lee, Dallah Yoo, Kyung-Sun Park, Tae-Beom Ahn; J Mov Disord. 2025;18(4):379-381. Published online July 21, 2025; DOI: https://doi.org/10.14802/jmd.25108

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Original Articles

Factors Associated With the Response to Exercise in Patients With Parkinson’s Disease: Myung Jun Lee, Jinse Park, Dong-Woo Ryu, Dallah Yoo, Sang-Myung Cheon; J Mov Disord. 2025;18(4):308-316. Published online May 16, 2025; DOI: https://doi.org/10.14802/jmd.25068

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Abstract PDF Supplementary Material: Objective
Exercises have been proposed as adjuvants for the treatment of Parkinson’s disease (PD); however, responses to exercise interventions have shown inconsistent results. We investigated the clinical factors associated with improvements in motor deficits after exercise.
Methods
A total of 85 patients with PD were enrolled from five tertiary hospitals and classified into four exercise groups: home exercise, strength training, Tai Chi, and yoga groups. Clinical measurements of the motor and nonmotor features of patients with PD were performed at baseline and 12 weeks after the exercise intervention. We employed principal component analysis (PCA) to reduce variables into ten factors and then examined associations of baseline characteristics with percentage improvement in the Movement Disorder Society sponsored Unified Parkinson’s Disease Rating Scale Part III (MDS-UPDRS III) score via a Bayesian regression model.
Results
In the multivariate Bayesian regression model including ten PCA-derived factors, the percentage improvement in the MDS-UPDRS III score was associated with factors including prominent motor deficits (posterior interval [mean±standard deviation]: 2.5±1.5) and nonmotor symptoms such as depression, anxiety, and subjective memory impairment (3.3±1.7). Another factor related to functional impairments in gait and postural control was associated with less improvement after the exercise intervention (-3.9±1.7). According to the subgroup analyses, motor features were associated with improvements in the home exercise and strength training groups, whereas mood disturbance, fatigue, and subjective cognitive impairment were related to changes in the home exercise and Tai Chi groups.
Conclusion
Our results suggest that the individual phenotypes of patients with PD may be associated with clinical improvement following exercise.

Comparison of the Impact of Various Exercise Modalities on Parkinson’s Disease: Jinse Park, Sang-Myung Cheon, Myung Jun Lee, Dong-Woo Ryu, Dallah Yoo; J Mov Disord. 2025;18(3):222-230. Published online April 15, 2025; DOI: https://doi.org/10.14802/jmd.25038

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Objective
Exercise is a critical nonpharmacological intervention for Parkinson’s disease (PD); however, comparative evidence on the efficacy of different exercise modalities is limited. This study aimed to compare the effects of tai chi, strength training, yoga, and home-based exercises on motor function in patients with PD.
Methods
In this multicenter, open-label, randomized clinical trial, 99 patients with PD were allocated to one of four exercise interventions: tai chi, strength training, yoga, or home-based exercises. Each intervention consisted of 12 weeks of supervised sessions, followed by 12 weeks of independent practice. The primary outcomes included the Movement Disorder Society Unified Parkinson’s Disease Rating Scale (MDS-UPDRS) Part III and timed up-and-go (TUG) test parameters. The assessed secondary outcomes included physical activity (measured via short physical performance battery and the 6-minute walking test [6MWT]), balance (measured via the Mini-BEST), and freezing of gait (measured via the New Freezing of Gait Questionnaire).
Results
Home exercise and tai chi demonstrated significant improvements in the MDS-UPDRS Part III scores over 24 weeks. The 6MWT was improved by home exercises and tai chi; additionally, the Mini-BEST test scores were enhanced by strength exercises and yoga. The total duration and forward movement of the TUG test, as well as the turning duration measured via the wearable sensor, were markedly improved in the yoga group.
Conclusion
Our results support the notion that various types of adherence to and outcomes of exercise can be observed in real-world settings, even though the effectiveness of exercise is well established. These findings highlight the importance of tailoring exercise regimens by considering individual patients in PD management.

Citations

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Telerehabilitation for Parkinson’s disease: a systematic review and meta-analysis based on randomized controlled trials
Renfei Li, Lili Wang, Jian Zhang
Neurological Sciences.2026;[Epub] CrossRef
Comparative Efficacy of 17 Rehabilitation Therapies Combined With Medication for Improving Gait Disorders and Quality of Life in Parkinson's Disease: A Network Meta-Analysis of 137 RCTs
Xinyu Lin, Haojie Li, Xie Wu
Archives of Physical Medicine and Rehabilitation.2026;[Epub] CrossRef
Summary of the best evidence for non-pharmaceutical interventions for mild cognitive impairment in Parkinson’s disease
Yud Dan Liu, Hui Fang Li, Ya Xian Zhai, Yun Xia Shen, Jinmei Yang, Li Mei He, Ting Shen
Frontiers in Neurology.2025;[Epub] CrossRef
Symptom Networks and Associations with Quality of Life in Patients with Early to Mid-Stage Parkinson’s Disease: A Network Analysis
Qiu Deng, Yaoling Duan, Zhengting Yang, Puqing Wang, Ziwei Liu, Min Zhou
Degenerative Neurological and Neuromuscular Disease.2025; Volume 15: 101. CrossRef
Factors Associated With the Response to Exercise in Patients With Parkinson’s Disease
Myung Jun Lee, Jinse Park, Dong-Woo Ryu, Dallah Yoo, Sang-Myung Cheon
Journal of Movement Disorders.2025; 18(4): 308. CrossRef

Review Article

A Practical Guide for Diagnostic Investigations and Special Considerations in Patients With Huntington’s Disease in Korea: Jangsup Moon, Eungseok Oh, Minkyeong Kim, Ryul Kim, Dallah Yoo, Chaewon Shin, Jee-Young Lee, Jong-Min Kim, Seong-Beom Koh, Manho Kim, Beomseok Jeon; J Mov Disord. 2025;18(1):17-30. Published online December 26, 2024; DOI: https://doi.org/10.14802/jmd.24232

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Abstract PDF: This review provides a comprehensive framework for the diagnostic approach and management of Huntington’s disease (HD) tailored to the Korean population. Key topics include genetic counseling, predictive testing, and reproductive options like preimplantation genetic testing. Strategies for assessing disease progression in premanifest HD through laboratory investigations, biofluid, and imaging biomarkers are highlighted. Special considerations for juvenile and late-onset HD, along with associated comorbidities like diabetes mellitus, hypertension, and cardiovascular abnormalities, are discussed. The guide emphasizes personalized symptom management, including pharmacotherapy, physical therapy, and nutritional support, while exploring emerging disease-modifying treatments. A multidisciplinary care model is advocated to improve outcomes for HD patients and caregivers in Korea.

Original Articles

Effect of Positional Changes on Cerebral Perfusion in Parkinson’s Disease Patients With Orthostatic Hypotension: Jae Young Joo, Dallah Yoo, Jae-Myoung Kim, Chaewon Shin, Tae-Beom Ahn; J Mov Disord. 2024;17(4):408-415. Published online September 9, 2024; DOI: https://doi.org/10.14802/jmd.24104

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Objective
Orthostatic hypotension (OH) is one of the most common autonomic dysfunctions in Parkinson’s disease (PD) patients. However, many patients with OH are asymptomatic. Conversely, orthostatic dizziness (OD) is not always associated with OH. We investigated the effects of positional changes on cerebral perfusion in patients with PD and OH.
Methods
We enrolled 42 patients, comprising 31 PD patients and 11 healthy controls. All the subjects underwent the following clinical assessments: the OH questionnaire, head-up tilt test (HUTT) with transcranial Doppler (TCD), near-infrared spectroscopy, measurement of the change in oxygenated hemoglobin (ΔHb_oxy) during the squat-to-stand test (SST), measurement of the time derivative of total hemoglobin (DHb_tot), and time taken to reach the peak (peak time [PT]) of DHb_tot after restanding.
Results
The mean flow velocity change (ΔMFV) in the TCD during the HUTT failed to differentiate between the PD-OH(+) and PD-OH(-) groups. The change in oxygenated hemoglobin ΔHb_oxy was greater in the PD-OH(+) group, which persisted for 9 min until the end of the HUTT only in the left hemisphere. During SST, PT was significantly delayed in the left hemisphere in PD-OH(+) patients.
Conclusion
Although TCD demonstrated no significant difference in ΔMFV, the parameters measured by near-infrared spectroscopy, such as ΔHb_oxy during HUTT and PT during the SST, significantly increased ΔHb_oxy or delayed PT in the left hemisphere of PD-OH(+). Positional changes have a detrimental effect on cerebral hemodynamics in patients with PD and OH, especially in the left hemisphere.

Citations

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Orthostatic hypotension in Parkinson’s disease: effects on clinical features and disease severity-a systematic review and meta-analysis
Hui Wang, Chi Zhang, Dongxun Xu
Frontiers in Aging Neuroscience.2025;[Epub] CrossRef
Prevalence and impact of orthostatic hypotension in Parkinson’s disease: a systematic review and meta-analysis
Hui Wang, Chi Zhang, Dongxun Xu
Clinical Autonomic Research.2025; 35(6): 697. CrossRef
Intersection of Autonomic Dysfunction and Parkinson’s Disease: Insights Into Neurogenic and Classical Orthostatic Hypotension
Jamir Pitton Rissardo, Masoumeh Rashidi, Fatemeh Rashidi, Khalil I Hmedat, Ibrahim Khalil, Hania Moharam, Mallak Bahar, Ali Dway, Omesh Prathiraja, Ana Leticia Fornari Caprara, Maleesha Jayasinghe
Cureus.2025;[Epub] CrossRef
Mapping cerebral blood flow in myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) and orthostatic intolerance: insights from a systematic review
Elena M. Christopoulos, Darcy Tantanis, Katherine Huang, Elena K. Schneider-Futschik, Paul R. Gooley, Kegan J. Moneghetti, Christopher W. Armstrong
Journal of Translational Medicine.2025;[Epub] CrossRef
The current state of wearable device use in Parkinson's disease: a survey of individuals with Parkinson's
Siegfried Hirczy, Cyrus Zabetian, Yi-Han Lin
Frontiers in Digital Health.2024;[Epub] CrossRef

Trends in Physiotherapy Interventions and Medical Costs for Parkinson’s Disease in South Korea, 2011–2020: Dong-Woo Ryu, Jinse Park, Myung Jun Lee, Dallah Yoo, Sang-Myung Cheon; J Mov Disord. 2024;17(3):270-281. Published online March 19, 2024; DOI: https://doi.org/10.14802/jmd.23269

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Objective
Physiotherapy (PT), which is an effective strategy for managing Parkinson’s disease (PD), can influence health care utilization. We analyzed trends in health care utilization, PT interventions, and medical costs among patients with PD.
Methods
Using data from the Korean National Health Insurance Service from 2011 to 2020, we analyzed the number of patients with PD and their health care utilization and assessed the odds ratio (OR) for receiving regular PTs.
Results
Over 10 years, 169,613 patients with PD were included in the analysis. The number of patients with PD increased annually from 49,417 in 2011 to 91,841 in 2020. The number of patients with PD receiving PT increased from 4,847 (9.81%) in 2011 to 13,163 (14.33%) in 2020, and the number of PT prescriptions increased from 81,220 in 2011 to 377,651 in 2019. Medical costs per patient with PD increased from 1,686 United States dollars (USD) in 2011 to 3,202 USD in 2020. The medical expenses for each patient with PD receiving PT increased from 6,582 USD in 2011 to 13,475 USD in 2020. Moreover, regular PTs were administered to 31,782 patients (18.74%) and were administered only through hospitalization. Those patients in their 50s with disabilities demonstrated a high OR for regular PTs, whereas those aged 80 years or older and residing outside of Seoul had a low OR.
Conclusion
The PD burden increased in South Korea between 2011 and 2020, as did health care utilization and medical costs. A significant increase in medical expenses can be associated with increased PD incidence and PT interventions. Regular PT applications remain restricted and have barriers to access.

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Clinical efficacy of a non-immersive virtual reality-based balance training device in improving balance and gait in Parkinson’s disease; A randomized controlled trial
Soohyun Lim, Jinse Park, Juhee Kim, Sang-Myung Cheon, Bong Kyun Kim, Jimin Choi
Parkinsonism & Related Disorders.2026; : 108270. CrossRef
AI FRAMEWORK FOR PREDICTING PHYSIOLOGICAL INDICATORS FROM HIGH-RESOLUTION IRIS IMAGES IN PARKINSON’S DISEASE PATIENTS
HAKWON KIM, JEONG-WOO SEO, SEONG-IL PARK, JUNYOUNG HUR, MISO S. PARK, HORYONG YOO
Journal of Mechanics in Medicine and Biology.2025;[Epub] CrossRef

Viewpoint

A Practical Guide for Clinical Approach to Patients With Huntington’s Disease in Korea: Chaewon Shin, Ryul Kim, Dallah Yoo, Eungseok Oh, Jangsup Moon, Minkyeong Kim, Jee-Young Lee, Jong-Min Kim, Seong-Beom Koh, Manho Kim, Beomseok Jeon; J Mov Disord. 2024;17(2):138-149. Published online March 12, 2024; DOI: https://doi.org/10.14802/jmd.24040

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Citations

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A Practical Guide for Diagnostic Investigations and Special Considerations in Patients With Huntington’s Disease in Korea
Jangsup Moon, Eungseok Oh, Minkyeong Kim, Ryul Kim, Dallah Yoo, Chaewon Shin, Jee-Young Lee, Jong-Min Kim, Seong-Beom Koh, Manho Kim, Beomseok Jeon
Journal of Movement Disorders.2025; 18(1): 17. CrossRef
Validation of the Korean Version of the Huntington’s Disease Quality of Life Battery for Carers
Hee Jin Chang, Eungseok Oh, Won Tae Yoon, Chan Young Lee, Kyum-Yil Kwon, Yun Su Hwang, Chaewon Shin, Jee-Young Lee
Journal of Movement Disorders.2025; 18(2): 160. CrossRef
Huntington Disease and Chorea
Kathryn P. L. Moore
Continuum.2025; 31(4): 1066. CrossRef
AI-Enhanced Transcriptomic Discovery of Druggable Targets and Repurposed Therapies for Huntington’s Disease
Rodrigo Pinheiro Araldi, João Rafael Dias Pinto, Irina Kerkis
Brain Sciences.2025; 15(8): 865. CrossRef

Letters to the editor

Absence of Alpha-Synuclein Aggregation in Patients With Parkinson’s Disease Complicated by Sigmoid Volvulus: Dallah Yoo, Jae Young Joo, Sung-Hye Park, Sun Jin Park, Tae-Beom Ahn; J Mov Disord. 2024;17(1):118-119. Published online November 2, 2023; DOI: https://doi.org/10.14802/jmd.23173

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Citations

Citations to this article as recorded by

Comments on “Absence of Alpha-Synuclein Aggregation in Patients With Parkinson’s Disease Complicated by Sigmoid Volvulus”
Sabri Selcuk Atamanalp, Refik Selim Atamanalp
Journal of Movement Disorders.2024; 17(2): 248. CrossRef

A Novel Variant of GCH1 in Dopa-Responsive Dystonia With Oculogyric Crises and Intrafamilial Phenotypic Heterogeneity: Taewoo Kim, Su Hyeon Ha, Dallah Yoo, Kyung Sun Park, Tae-Beom Ahn; J Mov Disord. 2023;16(3):339-342. Published online July 24, 2023; DOI: https://doi.org/10.14802/jmd.23085

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Gravitational syncope induced by rising elevators in a Parkinson’s disease patient: Sun-Woo Sohn, Dallah Yoo, Tae-Beom Ahn; J Mov Disord. 2023;16(3):331-332. Published online June 9, 2023; DOI: https://doi.org/10.14802/jmd.23076

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Wall-Eyed Bilateral Internuclear Ophthalmoplegia Syndrome in a Patient With Progressive Supranuclear Palsy: A Case Report and Literature Review: Aryun Kim, Yu Jin Jung, Dallah Yoo, Chaewon Shin, Seong-Hae Jeong; J Mov Disord. 2023;16(2):227-230. Published online May 24, 2023; DOI: https://doi.org/10.14802/jmd.22056

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Post-traumatic Wall-eyed Bilateral Internuclear Ophthalmoplegia Like Syndrome with Bilateral Trochlear Nerve Palsy: A Diagnostic Challenge
Pratiksha S. Gaikwad, Nayana A. Potdar, Salma Tabani, Priyarthi Pradhan, Darshana B. Rathod, Saakshi Rajesh Patel
Delhi Journal of Ophthalmology.2025; 35(4): 316. CrossRef
Pupil-sparing partial oculomotor palsy with ipsilateral medial longitudinal fasciculus involvement: A novel midbrain infarct phenotype–a case report
Li-Chao Zhou, Qiong Wu, Yu-Jing Liu, Wei Xu, Tie-Qiao Feng, Zhen Wang, Fang-Yi Li, Wen-Gao Zeng
Journal of International Medical Research.2025;[Epub] CrossRef

Re: Comment on “Parainfectious Anti-Glial Fibrillary Acidic Protein-Associated Meningoencephalitis”: Dallah Yoo, Tae-Beom Ahn; J Mov Disord. 2022;15(2):189-189. Published online May 26, 2022; DOI: https://doi.org/10.14802/jmd.22049

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Case Report

Parainfectious Anti-Glial Fibrillary Acidic Protein-Associated Meningoencephalitis: Jae Young Joo, Dallah Yoo, Tae-Beom Ahn; J Mov Disord. 2022;15(1):66-70. Published online November 25, 2021; DOI: https://doi.org/10.14802/jmd.21115

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Movement disorders associated with glial fibrillary acidic protein (GFAP) autoantibodies have rarely been reported as ataxia or tremors. A 32-year-old man with headache and fever, initially diagnosed with viral meningoencephalitis, showed gradual improvement with empirical treatment. Two weeks after the illness, he suddenly developed orofacial, tongue, and neck dyskinesia accompanied by oculomotor abnormalities, which developed into severe generalized choreoballism. Brain magnetic resonance imaging (fluid-attenuated inversion recovery) showed signal hyperintensities in the bilateral globus pallidus interna. The clinical picture suggested an acute inflammatory trigger of secondary autoimmune encephalitis. The autoimmune antibody test was positive for GFAP, with the strongest reactivity in the cerebrospinal fluid (CSF) before treatment and decreased reactivity in serial CSF examinations during immunotherapy. Dyskinesia gradually improved to the extent that it could be controlled with only oral medications. This patient presented with parainfectious GFAP meningoencephalitis with distinctive clinical features and imaging findings.

Citations

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Relapsing Autoimmune GFAP Astrocytopathy: Case Report
Ekaterina O. Chekanova, Аlla А. Shabalina, Taras O. Simaniv, Rodion N. Konovalov, Larisa A. Dobrynina, Lyudmila A. Kalashnikova, Maria V. Gubanova, Maria N. Zakharova
Annals of Clinical and Experimental Neurology.2024; 17(4): 89. CrossRef
Blood-based protein biomarkers during the acute ischemic stroke treatment window: a systematic review
Jan Rahmig, Aditya Chanpura, Aaliyah Schultz, Frank C. Barone, Deborah Gustafson, Alison E. Baird
Frontiers in Neurology.2024;[Epub] CrossRef
Comment on “Parainfectious Anti-Glial Fibrillary Acidic Protein-Associated Meningoencephalitis”
Byoung June Ahn, Kyum-Yil Kwon
Journal of Movement Disorders.2022; 15(2): 187. CrossRef
Re: Comment on “Parainfectious Anti-Glial Fibrillary Acidic Protein-Associated Meningoencephalitis”
Dallah Yoo, Tae-Beom Ahn
Journal of Movement Disorders.2022; 15(2): 189. CrossRef

Brief communication

Investigation of Nocturnal Hypokinesia and Health-Related Quality of Life in Parkinsonian Patients with the Korean Version of the Nocturnal Hypokinesia Questionnaire: Ji-Hyun Choi, Jee-Young Lee, Chaewon Shin, Dallah Yoo, Jin Hee Im, Kyung Ah Woo, Han-Joon Kim, Tae-Beom Ahn, Jong-Min Kim, Beomseok Jeon; J Mov Disord. 2021;14(3):221-225. Published online May 26, 2021; DOI: https://doi.org/10.14802/jmd.20172

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Abstract PDF Supplementary Material

Objective
To assess nocturnal hypokinesia using the Korean version of the Nocturnal Hypokinesia Questionnaire (NHQ-K) in Parkinson’s disease (PD) patients across disease stages.
Methods
We developed the NHQ-K and performed questionnaire-based interviews with 108 PD patients from three referral hospitals. Clinical associations of nocturnal hypokinesia and its impact on health-related quality of life (HRQoL) were also analyzed.
Results
The NHQ-K showed acceptable internal consistency (0.83) and interrater reliability (0.95). Nocturnal hypokinesia significantly affected HRQoL in PD patients at both the early and advanced stages (adjusted p < 0.001). Increased severity of nocturnal hypokinesia was associated with dyskinesias, off-period disability, apathy, and anxious mood in PD patients (adjusted p < 0.01) after controlling for disease severity and medication dose.
Conclusion
The NHQ-K is useful for screening nocturnal hypokinesia in PD patients. Given the high impact of nocturnal hypokinesia on HRQoL, comprehensive management of nocturnal disability is needed for PD patients.

Citations

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Telerehabilitation for the treatment of nocturnal hypokinesia in people with Parkinson’s disease: a pilot study
Edoardo Bianchini, Francesco Bianchini, Pietro Lombardo, Silvia Galli, Flavia D’Audino, Marika Alborghetti, Domiziana Rinaldi
Neurological Sciences.2026;[Epub] CrossRef
Opicapone for the Treatment of Nocturnal Hypokinesia in Patients With Parkinson’s Disease: An Open-Label Pilot Clinical Trial
Chaewon Shin, Jong-Min Kim
Journal of Movement Disorders.2026; 19(1): 81. CrossRef
Deep profiling of nocturnal hypokinesia in multiple system atrophy and its clinical implications
Jongmok Ha, Suin Lee, Yoonha Hwang, Jinyoung Youn, Jin Whan Cho, Eun Yeon Joo
Sleep Medicine.2025; 131: 106516. CrossRef
Clinical Outcome Assessments in Parkinson's Disease: A Scoping Review of Current Rating Scales and Future Needs
Evita Papathoma, Panagiota Tsitsi, Nirosen Vijiaratnam, Camila Aquino, Stephen R. Duma, Norbert Kovacs, Kigocha Lameck Okeng'o, Aparna Wagle Shukla, Roongroj Bhidayasiri, Tiago A. Mestre, Alvaro Sanchez Ferro, Alberto J. Espay, Michelle H.S. Tosin, Matej
Movement Disorders Clinical Practice.2025;[Epub] CrossRef
Technological evaluation of strategies to get out of bed by people with Parkinson's disease: Insights from multisite wearable sensors
Jirada Sringean, Chusak Thanawattano, Roongroj Bhidayasiri
Frontiers in Medical Technology.2022;[Epub] CrossRef

Case Report

Young-Onset Parkinson’s Disease with Impulse Control Disorder Due to Novel Variants of F-Box Only Protein 7: Dallah Yoo, Ji-Hyun Choi, Jin-Hee Im, Man Jin Kim, Han-Joon Kim, Sung Sup Park, Beomseok Jeon; J Mov Disord. 2020;13(3):225-228. Published online September 9, 2020; DOI: https://doi.org/10.14802/jmd.20026

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Abstract PDF

F-box only protein 7 (FBXO7) is a rare monogenic cause of hereditary Parkinson’s disease (PD) with an autosomal recessive mode of inheritance and a broad spectrum of clinical manifestations. Here, we report a de novo PD patient with onset at the age of 28 with novel compound heterozygous variants in the FBXO7 gene (c.1162C>T, p.Gln388X; c.80G>A, p.Arg27His). The clinical features of the patient were problematic impulse control disorder behaviors and pyromania, and pyramidal signs were negative. We describe the novel pathogenic variants of the FBXO7 gene with detailed clinical pictures to report the expanding genotypes and phenotypes of FBXO7-associated parkinsonism.

Citations

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Mitochondrial Dysfunction in Genetic and Non-Genetic Parkinson’s Disease
Martina Lucchesi, Letizia Biso, Marco Bonaso, Biancamaria Longoni, Bianca Buchignani, Roberta Battini, Filippo Maria Santorelli, Stefano Doccini, Marco Scarselli
International Journal of Molecular Sciences.2025; 26(9): 4451. CrossRef
Global prevalence and incidence of Young Onset Parkinson’s disease: A systematic review and meta-analysis
Fardin Nabizadeh, Homa Seyedmirzaei, Nazanin Rafiei, Seyedeh Maryam Vafaei, Dorsa Shekouh, Ehsan Mehrtabar, Ehsan Mirzaaghazadeh, Zahra Mirzaasgari
Journal of Clinical Neuroscience.2024; 125: 59. CrossRef
Study of an FBXO7 patient mutation reveals Fbxo7 and PI31 co‐regulate proteasomes and mitochondria
Sara Al Rawi, Lorna Simpson, Guðrún Agnarsdóttir, Neil Q. McDonald, Veronika Chernuha, Orly Elpeleg, Massimo Zeviani, Roger A. Barker, Ronen Spiegel, Heike Laman
The FEBS Journal.2024; 291(12): 2565. CrossRef
Loss of the parkinsonism‐associated protein FBXO7 in glutamatergic forebrain neurons in mice leads to abnormal motor behavior and synaptic defects
Jingbo Wang, Sabitha Joseph, Siv Vingill, Ekrem Dere, Lars Tatenhorst, Anja Ronnenberg, Paul Lingor, Christian Preisinger, Hannelore Ehrenreich, Jörg B. Schulz, Judith Stegmüller
Journal of Neurochemistry.2023; 167(2): 296. CrossRef
Nearly Abolished Dopamine Transporter Uptake in a Patient With a Novel FBXO7 Mutation
Eun Young Kim, Seon Young Kim, Youngduk Seo, Chaewon Shin
Journal of Movement Disorders.2022; 15(3): 269. CrossRef

Letters to the editor

A Rare Case of Late Adult-Onset Niemann-Pick Disease Type C: Ryul Kim, Dallah Yoo, Sangmin Park, Jung Hwan Shin, Ji-Hyun Choi, Han-Joon Kim, Beomseok Jeon; J Mov Disord. 2020;13(2):163-165. Published online March 18, 2020; DOI: https://doi.org/10.14802/jmd.19077

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Successful Pallidal Deep Brain Stimulation in a Patient with Childhood-Onset Generalized Dystonia with ANO3 Mutation: Dallah Yoo, Han-Joon Kim, Jong-Hee Chae, Sun Ha Paek, Beomseok Jeon; J Mov Disord. 2019;12(3):190-191. Published online July 17, 2019; DOI: https://doi.org/10.14802/jmd.19016

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Edouard Courtin, Juliette Thomas, Etienne Guillaud, Emilie Doat, Emmanuel Cuny, Dominique Guehl, Pierre Burbaud
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Marco Percetti, Michela Zini, Paola Soliveri, Filippo Cogiamanian, Mariarosa Ferrara, Eva Orunesu, Alessandra Ranghetti, Carlo Ferrarese, Gianni Pezzoli, Barbara Garavaglia, Ioannis Ugo Isaias, Giorgio Sacilotto
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Harini Sarva, Federico Rodriguez-Porcel, Francisco Rivera, Claudio Daniel Gonzalez, Samantha Barkan, Susmit Tripathi, Emilia Gatto, Pedro Garcia Ruiz
Journal of the Neurological Sciences.2024; 459: 122970. CrossRef
A novel ANO3 variant in two siblings with different phenotypes
Marcello Esposito, Assunta Trinchillo, Francesca Piceci-Sparascio, Maria Cecilia D'Asdia, Federica Consoli, Alessandro De Luca
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DBS-Evoked Pallidal Activity Correlates with Clinical Improvement in a Patient with ANO3-Related Dystonia
Aditya Boddu, Adam Bashir, Mohammad Awad, Barton Guthrie, Harrison Walker
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Alberto Albanese
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Case Report

Spinal Myoclonus Responding to Continuous Intrathecal Morphine Pump: Jung-Eun Ahn, Dallah Yoo, Ki-Young Jung, Jong-Min Kim, Beomseok Jeon, Myung Chong Lee; J Mov Disord. 2017;10(3):158-160. Published online September 12, 2017; DOI: https://doi.org/10.14802/jmd.17023

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Abstract PDF

Spinal myoclonus is a sudden, brief, and involuntary movement of segmental or propriospinal muscle groups. Spinal myoclonus has occasionally been reported in patients undergoing opioid therapy, but the pathophysiology of opioid-induced myoclonus has not been elucidated yet. Here, we present two patients with spinal segmental myoclonus secondary to ischemic and radiation myelopathy. Conventional medications did not help treat persistent myoclonus in both legs. Continuous intrathecal morphine infusion was implanted for pain control in one patient, which relieved spinal myoclonus entirely. This experience led to the application of this method with a second patient, leading to the same gratifying result. Spinal myoclonus reemerged as soon as the morphine pumps were off, which confirmed the therapeutic role of opioids. In contrast to the opioid-induced myoclonus, these cases show a benefit of opioids on spinal myoclonus, which could be explained by synaptic reorganization after pathologic insults in the spinal cord.

Citations

Citations to this article as recorded by

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