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  • Title: A comparison of the fine structure of motor end-plates in Duchenne dystrophy and in human neurogenic diseases.
    Author: Harriman DG.
    Journal: J Neurol Sci; 1976 Jun; 28(2):233-47. PubMed ID: 178831.
    Abstract:
    With the aim of investigating the pathogenesis of Duchenne dystrophy, and in particular the role of denervation, the fine structural features of motor end-plates in the limb muscles of 13 patients with Duchenne dystrophy were compared with those in 26 controls and 50 patients suffering from known neurogenic diseases. The wide variation in control end-plates es emphasised. The sole plates in Duchenne dystrophy tended to retract from the end-plate, and shared only sprout formation, enclodure of terminals in Schwann cell cytoplasm and (in one instance) close packing of neurofilaments in the terminal with the changes in denervating end-plates. In these latter, withdrawal of terminals from the sole and various degenerative figures were the rule. It was concluded that there is no adequate morphological evidence in motor end-plates to support the concept of Duchenne dystrophy as a neurogenic disease.
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