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      A combined inhibitor of matrix metalloproteinase activity and tumour necrosis factor-alpha processing attenuates experimental autoimmune neuritis.

      Brain
      Animals, Benzyl Compounds, Dexamethasone, pharmacology, Drug Combinations, Extracellular Matrix, enzymology, Female, Gelatinases, metabolism, Immunohistochemistry, Male, Metalloendopeptidases, antagonists & inhibitors, Neuritis, Autoimmune, Experimental, physiopathology, prevention & control, Pentoxifylline, Protease Inhibitors, Rats, Rats, Inbred Lew, Sciatic Nerve, Succinates, Tissue Distribution, Tumor Necrosis Factor-alpha

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          Abstract

          Matrix metalloproteinases (MMPs) and the cytokine tumour necrosis factor (TNF)-alpha are implicated in the pathology of inflammatory demyelinating diseases of the CNS, and may also be involved in peripheral demyelinating diseases such as acute inflammatory demyelinating polyradiculoneuropathy. We have tested an inhibitor of MMP activity and TNF-alpha processing, BB-1101, in experimental autoimmune neuritis (EAN), an animal model of Guillain-Barré syndrome. Treatment with BB-1101 from the time of immunization prevented the development of EAN, and when given from the onset of symptoms, it significantly reduced disease severity. These results indicate that MMPs and/or TNF-alpha are involved in the pathogenesis of EAN, and that drugs of this type may have potential as novel therapeutic agents in the therapy of peripheral nervous system demyelinating diseases.

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