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Updated: Jul 18, 2026
09:41
Comprehensive Autopsy Program for Individuals with Multiple Sclerosis
Published on: July 19, 2019
[Neuronal injury in multiple sclerosis]
Jorge Correale1, Francisco Meli, Célica Ysrraelit
1Departamento de Neurología, Instituto de Investigaciones Neurológicas Dr. Raúl Carrea (FLENI), Facultad de Ciencias Biomédicas Universidad Austral, Buenos Aires, Argentina. jcorreale@fleni.org.ar
Medicina
|December 2, 2006
Summary
Multiple sclerosis (MS) involves neurodegeneration causing irreversible disability. Axonal injury, starting at disease onset, is the primary driver, prompting new research into its mechanisms and treatments.
Area of Science:
- Neuroscience
- Neurology
- Pathology
Context:
- Multiple sclerosis (MS) is increasingly recognized as a neurodegenerative disease, not solely demyelinating.
- Axonal degeneration is now understood as the main cause of irreversible neurological disability in MS patients.
- Axonal injury initiates early in MS, often remaining silent until significant loss occurs.
Purpose:
- To highlight the shift in understanding MS from a purely demyelinating to a neurodegenerative condition.
- To emphasize the critical role of axonal degeneration in MS pathogenesis and disability.
- To discuss proposed mechanisms of axonal loss and the limitations of conventional imaging.
Summary:
- Axonal degeneration, a key feature of MS, contributes significantly to irreversible neurological deficits.
- Proposed mechanisms include inflammation, calcium accumulation, and loss of trophic support from myelin.
- Advanced MRI techniques are being developed to better monitor axonal pathology and disease progression.
Impact:
- Recognizing MS as neurodegenerative necessitates a re-evaluation of its pathogenic mechanisms.
- This understanding opens new avenues for developing targeted and effective MS treatments.
- Focusing on neurodegeneration may lead to therapies that better preserve neurological function.
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