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Circulating adhesion molecules and inflammatory mediators in demyelination: a review
H P Hartung1, J J Archelos, J Zielasek
1Department of Neurology, Julius-Maximilians-Universität, Würzburg, Germany.
Neurology
|June 1, 1995
Summary
Adhesion molecules, upregulated by cytokines like tumor necrosis factor alpha, are key in inflammatory demyelination of the nervous system. Understanding these immune responses aids in developing targeted therapies for myelin damage.
Area of Science:
- Neuroimmunology
- Molecular immunology
Background:
- Adhesion molecules play a crucial role in directing immune responses to the central and peripheral nervous system.
- Cytokines, particularly tumor necrosis factor alpha, are important regulators of adhesion molecule expression during inflammation.
Purpose of the Study:
- To elucidate the role of adhesion molecules in inflammatory demyelination.
- To understand how cytokines influence immune cell activation and mediator release in the nervous system.
Main Methods:
- The study reviews existing evidence on the involvement of adhesion molecules and cytokines in demyelinating diseases.
- It discusses the activation of macrophages and microglia by T helper 1 (TH1) cell-derived cytokines.
Main Results:
- Adhesion molecules are upregulated by cytokines, with tumor necrosis factor alpha being particularly significant.
- Activated macrophages, microglia, and immigrant cells release inflammatory mediators like oxygen radicals and nitric oxide metabolites.
- Circulating adhesion molecules may indicate active central and peripheral nervous system inflammation and modulate ongoing responses.
Conclusions:
- A detailed understanding of the immunopathologic events leading to myelin damage is crucial.
- Specific intervention points for immuno-therapies targeting demyelination have been identified.