Chemokines and matrix metalloproteinase-9 in leukocyte recruitment to the central nervous system

F Sellebjerg1, T L Sørensen

  • 1Department of Neurology, The MS Clinic, University of Copenhagen, Glostrup Hospital, DK-2600 Glostrup, Denmark. sellebjerg@dadlnet.dk

Brain Research Bulletin
|August 12, 2003
PubMed

Insights

Chemokines and matrix metalloproteinases (MMPs) are crucial for T cell migration in multiple sclerosis (MS). Their levels in cerebrospinal fluid may indicate disease activity and serve as therapeutic targets.

Area of Science:

  • Neuroimmunology
  • Molecular Biology

Background:

  • Chemokines and matrix metalloproteinases (MMPs) are implicated in leukocyte migration across the blood-brain barrier (BBB) in inflammatory diseases like multiple sclerosis (MS).
  • In MS, altered chemokine receptor expression on T cells and elevated chemokine ligands in cerebrospinal fluid (CSF) correlate with disease progression and CNS infiltration.

Purpose of the Study:

  • To review the roles of chemokines and MMP-9 in the pathogenesis of MS.
  • To explore the potential of these molecules as biomarkers and therapeutic targets in MS.

Main Methods:

  • Review of existing literature on chemokines, MMPs, and their involvement in MS pathogenesis.
  • Analysis of chemokine receptor expression patterns in MS patients.
  • Measurement of MMP-9 concentrations in CSF and correlation with disease parameters.

Main Results:

  • Chemokine receptor expression on T cells and CSF chemokine ligand levels reflect MS disease activity and stage.
  • MMP-9 is present in MS plaques, and its CSF concentration is elevated in MS, potentially indicating disease activity.
  • Elevated CSF MMP-9 levels are associated with the MS-associated HLA type DRB1 1501.

Conclusions:

  • Chemokines and MMP-9 significantly contribute to MS pathogenesis by regulating leukocyte migration.
  • Measuring chemokine and MMP-9 expression may serve as surrogate markers for MS disease activity.
  • Targeting chemokine and MMP-9 pathways offers a promising therapeutic strategy for MS.

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