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Pathoetiology of multiple sclerosis: are we barking up the wrong tree?
1Department of Clinical Neurosciences, Hotchkiss Brain Institute, University of Calgary 3330 Hospital Dr. NW, Calgary T2N 4N1 Canada.
F1000Prime Reports
|June 12, 2013
Summary
The cause of multiple sclerosis (MS) remains unclear, with both degenerative and autoimmune factors present. This review explores evidence suggesting MS may primarily be a degenerative condition triggering an autoimmune response.
Area of Science:
- Neuroimmunology
- Neuropathology
Background:
- Multiple sclerosis (MS) presents with both progressive degeneration and autoimmune inflammation.
- Histopathology reveals concurrent demyelination and T cell-mediated immune responses in MS.
- The primary cause of MS, whether degenerative or autoimmune, is debated.
Purpose of the Study:
- To review evidence supporting and refuting degenerative and autoimmune models of MS.
- To propose an alternative hypothesis for MS pathogenesis.
- To consider the implications of this hypothesis for therapeutic strategies.
Main Methods:
- Review of existing scientific literature on multiple sclerosis.
- Analysis of histopathological findings in MS patients.
- Evaluation of evidence for degenerative and autoimmune processes.
Main Results:
- Evidence for both degenerative and autoimmune components in MS is presented.
- The review challenges the prevailing view of MS as primarily autoimmune.
- An alternative model suggesting a degenerative origin is explored.
Conclusions:
- It is equally plausible that multiple sclerosis originates as a degenerative disease.
- This degenerative process may secondarily trigger an autoimmune response.
- Rethinking MS etiology could significantly impact treatment approaches.
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