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Sodium channel localization in rat sciatic nerve following lead-induced demyelination

  • Hamutal Meiri*
  • , Sara Pri-Chen
  • , Amos D. Korczyn
  • *Corresponding author for this work
  • Technion-Israel Institute of Technology
  • Tel Aviv University
  • Tel Aviv Sourasky Medical Center

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Daily intraperitoneal injections of lead acetate for several weeks were followed by a peripheral neuropathy. The conduction of impulses in the sciatic nerve became slower, but their amplitude, duration and threshold remained normal. Sodium channel labeling with specific monoclonal antibodies revealed staining at demyelinated regions, while normal axons were stained exclusively at nodes of Ranvier. These results support the view that remodelling of sodium channel distribution may contribute to impulse conduction in demyelinated fibers.

Original languageEnglish
Pages (from-to)326-331
Number of pages6
JournalBrain Research
Volume359
Issue number1-2
DOIs
StatePublished - 16 Dec 1985

Funding

Funders
ShauOerF oundationf or Microsurgery
Wolf Foundation

    Keywords

    • heavy metal intoxication
    • lead
    • monoclonal antibody
    • peripheral neuropathy
    • sciatic nerve
    • sodium channel

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