Matrix metalloproteinases in neuromuscular disease

Susanne Renaud1, David Leppert

  • 1Neuromuscular Disease Unit, Department of Neurology, University Hospital Basel, Basel, Switzerland. srenaud@uhbs.ch

Muscle & Nerve
|April 6, 2007
PubMed

Insights

Matrix metalloproteinases (MMPs) break down neural barriers and aid leukocyte invasion in nervous system diseases. This review covers recent findings on MMPs in neuropathy, myopathy, spinal cord injury, and ALS.

Area of Science:

  • Neuroscience
  • Biochemistry
  • Immunology

Background:

  • Matrix metalloproteinases (MMPs) are zinc-dependent endoproteinases crucial for extracellular matrix degradation.
  • MMPs play significant roles in maintaining the integrity of the blood-brain and blood-nerve barriers.
  • These enzymes are implicated in leukocyte extravasation into neural tissues during inflammatory conditions.

Purpose of the Study:

  • To review recent advancements in understanding the role of MMPs in neurological disorders.
  • To highlight the involvement of MMPs in conditions such as neuropathy, myopathy, spinal cord injury, and amyotrophic lateral sclerosis (ALS).

Main Methods:

  • Literature review of recent studies on MMPs in human patients and animal models.
  • Focus on studies investigating MMPs in the context of central and peripheral nervous system diseases.

Main Results:

  • MMPs contribute to the breakdown of neural barriers, facilitating inflammatory cell infiltration.
  • MMPs are involved in critical neural processes including synaptic remodeling, neuronal regeneration, and remyelination.
  • Evidence links MMP activity to the pathophysiology of neuropathy, myopathy, spinal cord injury, and ALS.

Conclusions:

  • Matrix metalloproteinases are key players in the pathogenesis and progression of various neurological diseases.
  • Targeting MMPs may offer therapeutic strategies for central and peripheral nervous system disorders.
  • Further research is warranted to fully elucidate the complex roles of MMPs in neural health and disease.

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