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Pathogenetic Studies of the Neurofilamentous Neuropathies

  • Doyle G. Graham
  • Gyöngyi Szakàl-Quin
  • Leslie Milam
  • Marcia R. Gottfried
  • D. Carter Anthony

Abstract

Exposure to both n-hexane and methyl n-butylketone (2-hexanone) have resulted in distal sensorimotor neuropathies in industrial settings (Yamamura, 1969; Allen et al., 1975), and n-hexane induced neuropathies have been seen in glue sniffers (Korokobin et al., 1975). The resulting neuropathy was characterized by paranodal axonal swellings filled with neurofilaments and was readily reproduced in experimental animals (Schaumburg and Spencer, 1976; Krasavage et al., 1980). Degeneration of the axon distal to the swellings has been observed in large myelinated axons in the peripheral nervous system (PNS), but less often in small myelinated or unmyelinated PNS axons (Spencer and Schaumburg, 1977) or in central nervous system (CNS) axons, in which the masses of neurofilaments travel to the end of the axon where they undergo eventual digestion by a calcium-activated protease (Cavanagh and Bennetts, 1981; Cavanagh, 1982).

Keywords

Protein Crosslinking Covalent Crosslinking Axonal Swelling Distal Axon Lysyl Residue 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1986

Authors and Affiliations

  • Doyle G. Graham
    • 1
  • Gyöngyi Szakàl-Quin
    • 1
  • Leslie Milam
    • 2
  • Marcia R. Gottfried
    • 1
  • D. Carter Anthony
    • 1
  1. 1.Department of PathologyDuke University Medical CenterDurhamUSA
  2. 2.Department of AnatomyUniversity of North CarolinaChapel HillUSA

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