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  • Title: Role of the Schwann cell in diabetic neuropathy.
    Author: Eckersley L.
    Journal: Int Rev Neurobiol; 2002; 50():293-321. PubMed ID: 12198814.
    Abstract:
    The relationships among Schwann cells, axons, and the perineurial barrier emphasize the key role Schwann cells play in normal functions of the nerve. Schwann cells are responsible for action potential velocity through insulation of axons, maintenance of axonal caliber, and correct localization of Na+ channels; immunological and funcitonal integrity of the nerve through the perineurial blood-nerve-barrier; and effective nerve regeneration. In diabetic neuropathy, many of these facets of nerve function are defective. Hypoxia, hyerglycemia, and increased oxidative stress contribute directly and indirectly to Schwann cell dysfunction. The results include impaired paranodal barrier function, damaged myelin, reduced antioxidative capacity, and decreased neurotrophic support for axons. This chapter discusses the role of the Schwann cell in the normal or regenerating nerve nad in the altered metabolic conditons of diabetes.
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