Paranodal dysmyelination in peripheral nerves of Trembler mice.

Abstract excerpt

Subtle defects in paranodes of myelinated nerve fibers can cause significant physiological malfunction. We have investigated myelinated fibers in the peripheral nervous system (PNS) of the Trembler mouse, a model of CMT-1A neuropathy, for evidence of such defects. Ultrastructural analysis shows that the "transverse bands," which attach the myelin sheath to the axon at the paranodal axoglial junction, are grossly...

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