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Matrix metalloproteinases in neuromuscular disease

Matrix metalloproteinases (MMPs), a family of zinc‐dependent endoproteinases, are effector molecules in the breakdown of the blood–brain and blood–nerve barrier, and promote neural tissue invasion by leukocytes in inflammatory diseases of the central and peripheral nervous systems. Moreover, MMPs play an important role in synaptic remodeling, neuronal regeneration, and remyelination. Recent work concerning MMPs in patients with neuropathy, myopathy, spinal cord injury, and amyotrophic lateral sclerosis (ALS), and in corresponding animal models, is discussed in this review. Muscle Nerve, 2007