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Movement Disorder in Wilson Disease: Correlation with MRI and Biomarkers of Cell Injury

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Abstract

To report the phenomenology of movement disorder (MD) in neurological Wilson disease (NWD), and correlate these with MRI, and biomarkers of oxidative stress, excitotoxicity, and inflammation. Eighty-two patients were included, and their phenomenology of MD was categorized. The severity of dystonia was assessed using the Burke-Fahn-Marsden score, and chorea, athetosis, myoclonus, and tremor on a 0–4 scale. The MRI changes were noted. Serum glutamate, cytokines, and oxidative stress markers were measured. Movement disorders were noted in 78/82 (95.1%) patients and included dystonia in 69 (84.1%), chorea in 31 (37.8%), tremor in 24 (29.3%), parkinsonism in 19 (23.2%), athetosis in 13 (15.9%), and myoclonus in 9 (11.0%) patients. Dystonia was more frequently observed in the patients with thalamic (76.8 vs 23.2%), globus pallidus (72.0 vs 28.0%), putamen (69.5 vs 30.5%), caudate (68.3 vs 31.7%) and brainstem (61.0 vs 39.0%) involvement, and tremor with cerebellar involvement (37.5 vs 5.2%). The median age of onset of neurological symptoms was 12 (5–50) years. WD patients had higher levels of malondialdehyde (MDA), glutamate, and cytokines (IL-6, IL-8, IL-10, and TNFα) and lower levels of glutathione and total antioxidant capacity (TAC) compared with the controls. Serum glutamate, IL-6, IL-8, and plasma MDA levels were increased with increasing neurological severity, while glutathione and TAC levels decreased. The severity of dystonia related to the number of MRI lesions. MD is the commonest neurological symptoms in WD. Oxidative stress, glutamate, and cytokine levels are increased in WD and correlate with neurological severity.

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Data Availability

The data that support the findings of this study are available on request from the corresponding author. The data are not publicly available due to privacy or ethical restrictions.

Abbreviations

WD:

Wilson disease

NWD:

neurological Wilson disease

Cu:

copper

MD:

movement disorder

BFM score:

Burke-Fahn-Marsden score

MDA:

malondialdehyde

TAC:

total antioxidant capacity

XIAP:

X-link inhibitory apoptotic protein

KF:

Keiser- Fleisher

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Funding

This work was funded by the intramural grant from the Sanjay Gandhi Post Graduate Medical Sciences, Lucknow, India (39:287).

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Correspondence to Jayantee Kalita.

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The authors declare that they have no conflicts of interest.

Ethics Approval

The Institutional Ethics Committee, SGPGIMS, Lucknow, has approved the research (Ethic No., A-03: PGI/IMP/IEC/56/19.08.2011). We confirm that we have read the Journal’s position on issues involved in ethical publication and affirm that this report is consistent with those guidelines.

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Informed consent was obtained from all individual participants included in the study.

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Supplementary video 1

A child with neurological Wilson disease admitted with severe dystonia. He had mouth open oromandibular dystonia leading to dysarthria and dysphagia needing nasogastric feeding. His truncal and limb dystonia was so severe that he was screaming with pain. He was prescribed intravenous lorazepam to control his painful dystonic spells. (AVI 9632 kb)

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Kalita, J., Kumar, V., Misra, U.K. et al. Movement Disorder in Wilson Disease: Correlation with MRI and Biomarkers of Cell Injury. J Mol Neurosci 71, 338–346 (2021). https://doi.org/10.1007/s12031-020-01654-0

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  • DOI: https://doi.org/10.1007/s12031-020-01654-0

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