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Parkinsonism plus syndrome--a review
K Mitra1, P K Gangopadhaya, S K Das
1Movement Disorders Clinic, Bangur Institute of Neurology, Kolkata 700-025, India.
Neurology India
|October 23, 2003
Summary
Parkinsonism plus syndromes are distinct neurological disorders with unique features and poor levodopa response. Further research is needed for earlier diagnosis and targeted therapies for these alpha-synucleinopathies and tau disorders.
Area of Science:
- Neuroscience
- Neurology
- Pathology
Background:
- Parkinsonism plus syndromes are a group of degenerative neurological disorders.
- They differ from idiopathic Parkinson's disease in clinical features, treatment response, pathology, and prognosis.
- Common examples include progressive supranuclear palsy (PSP), multiple system atrophy (MSA), and dementia with Lewy body disease (DLB).
Purpose of the Study:
- To review advances in the clinical, neuroimaging, pathologic, genetic, and management aspects of Parkinsonism plus syndromes.
- To highlight the need for improved diagnostic criteria and biologic markers for earlier diagnosis.
- To emphasize the importance of understanding protein aggregation (alpha-synuclein and tau) for therapeutic development.
Main Methods:
- Review of recent studies on Parkinsonism plus syndromes.
- Focus on clinical features, neuroimaging, pathology, genetics, and management.
- Analysis of diagnostic challenges and research needs.
Main Results:
- Significant progress has been made in understanding tau disorders (PSP, CBGD, FTDP-17) and alpha-synucleinopathies (MSA, DLB, Parkinson's disease).
- Strict diagnostic criteria improve diagnosis, but unusual presentations remain challenging.
- Research is ongoing to identify biomarkers and understand protein aggregation mechanisms.
Conclusions:
- Earlier diagnosis of Parkinsonism plus syndromes is crucial and requires further research into biologic markers.
- Understanding the factors driving alpha-synuclein and tau aggregation is key to developing effective therapies.
- Therapeutic strategies aimed at preventing protein aggregation and rescuing dysfunctional cells are essential.