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Matrix metalloproteinases, tumor necrosis factor and multiple sclerosis: an overview
S Chandler1, K M Miller, J M Clements
1British Biotech Pharmaceuticals Limited, Cowley, Oxford, UK.
Journal of Neuroimmunology
|February 1, 1997
Summary
Matrix metalloproteinases (MMPs) degrade extracellular matrix and process proteins, including tumor necrosis factor-alpha. MMPs contribute to inflammation and tissue damage in multiple sclerosis (MS), suggesting MMP inhibitors as potential therapies.
Area of Science:
- Biochemistry
- Immunology
- Neuroscience
Background:
- Matrix metalloproteinases (MMPs) are zinc-dependent enzymes that degrade extracellular matrix proteins.
- MMPs also process cell surface proteins, including cytokines like tumor necrosis factor-alpha (TNF-α).
- TNF-α release from its membrane-bound precursor is an MMP-dependent process.
Purpose of the Study:
- To investigate the role of MMPs in the pathogenesis of multiple sclerosis (MS).
- To explore the potential of MMP inhibitors as therapeutic agents for MS.
Main Methods:
- Analysis of MMP expression in CNS lesions from animal models of MS and human MS patient tissue.
- Assessment of the efficacy of MMP inhibitors in animal models of MS.
Main Results:
- MMPs are expressed by inflammatory cells in CNS lesions associated with MS.
- MMP expression contributes to tissue destruction and inflammation in MS.
- MMP inhibitors demonstrate efficacy in animal models of MS.
Conclusions:
- MMPs play a significant role in the inflammatory processes and tissue damage observed in multiple sclerosis.
- Inhibition of MMP activity represents a promising therapeutic strategy for managing MS.