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Updated: Jul 6, 2026
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Histological Examination of Mitochondrial Morphology in a Parkinson's Disease Model
Published on: June 23, 2023
Antineuronal antibodies in Parkinson's disease
Bart P C van de Warrenburg1,2, Andrew J Church3, Davide Martino1,3,4
1Sobell Department of Motor Neuroscience and Movement Disorders, Institute of Neurology, London, United Kingdom.
Summary
Antineuronal antibodies (ANAs) were found in 11.8% of idiopathic Parkinson's disease patients. These antibodies may play a role in atypical Parkinson's disease features, suggesting a potential link in specific patient subgroups.
Area of Science:
- Neurology
- Immunology
- Neurodegenerative Diseases
Background:
- Antineuronal antibodies (ANAs) are linked to postinfectious movement disorders.
- Their role in non-infectious movement disorders like idiopathic Parkinson's disease (IPD) is debated.
Purpose of the Study:
- To determine the frequency of ANAs in IPD patients.
- To investigate if ANAs are associated with a specific IPD clinical phenotype.
Main Methods:
- Recruited 76 IPD patients, 9 genetic parkinsonism, 10 parkinson-plus syndromes, 50 neurological disease controls, and 30 healthy controls.
- Conducted comprehensive clinical reviews and Western blotting for ANAs against aldolase C, neuron-specific enolase, and pyruvate kinase M1.
- Compared ANA prevalence across groups and analyzed clinical features in relation to ANA status in IPD patients.
Main Results:
- ANAs were detected in 11.8% of IPD patients, significantly higher than in healthy controls (0%, P=0.043).
- ANA prevalence in IPD was not significantly different from genetic parkinsonism (11.1%), parkinson-plus (10%), or neurological disease controls (4%).
- ANA-positive IPD patients showed a higher frequency of atypical features, including early falls, freezing, and Pisa syndrome.
Conclusions:
- ANAs are not implicated in the majority of IPD cases.
- ANAs may be relevant in the pathogenesis of IPD presenting with atypical clinical features.
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