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Immunopathogenesis of the multiple sclerosis lesion
S Markovic-Plese1, H F McFarland
1Neuroimmunology Branch, National Institute for Neurological Diseases and Stroke, National Institutes of Health, Building 10, Room 5B-16, 10 Center Drive MSC 1400, Bethesda, MD 20892-1400, USA.
Current Neurology and Neuroscience Reports
|March 20, 2002
Summary
Multiple sclerosis (MS) involves an autoimmune attack on the central nervous system (CNS). Advanced magnetic resonance imaging (MRI) techniques offer better insights into disease progression and treatment effectiveness.
Area of Science:
- Neuroimmunology
- Radiology
Background:
- Multiple sclerosis (MS) is an autoimmune disease targeting central nervous system (CNS) myelin.
- Autoreactive CD4+ lymphocytes and blood-brain barrier (BBB) disruption are initial events in MS lesion development.
- Inflammation and demyelination characterize the MS pathological process.
Purpose of the Study:
- To explore the evolution of MS lesions using magnetic resonance imaging (MRI).
- To evaluate the utility of advanced MRI techniques in assessing MS pathology.
- To improve monitoring of disease activity and therapeutic responses in MS.
Main Methods:
- Analysis of MS lesion evolution through magnetic resonance imaging (MRI).
- Comparison of standard T2-weighted MRI with advanced techniques like magnetic resonance spectroscopy, magnetization transfer, and diffusion imaging.
- Correlation of imaging findings with clinical parameters.
Main Results:
- MRI reveals MS lesions as an active, continuous process affecting both focal lesions and normal-appearing white matter (NAWM).
- Standard MRI shows inflammation, edema, demyelination, and axonal loss but lacks specificity.
- Advanced MRI techniques offer improved measurement of axonal loss and demyelination.
Conclusions:
- Advanced MRI techniques provide more accurate measures of demyelination and axonal loss in MS.
- These techniques hold promise for better monitoring of MS disease activity and treatment efficacy.
- Understanding MS lesion evolution through MRI is crucial for developing effective therapies.