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Lectin binding to Renaut bodies

M Nagao1, N Oka, I Akiguchi

  • 1Department of Neurology, Tokyo Metropolitan Neurological Hospital, Japan.

Acta Neurologica Scandinavica
|October 1, 1995
PubMed
Summary
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Renaut bodies in human sural nerves contain mannose and N-acetylglucosamine (glcNAc). These findings suggest Renaut bodies may originate from the perineurium, offering insights into nerve structure.

Area of Science:

  • Neuroscience
  • Histochemistry
  • Biochemistry

Background:

  • Renaut bodies are structures found in peripheral nerves.
  • Their composition and origin remain incompletely understood.
  • Lectin histochemistry is a technique used to identify specific carbohydrate residues.

Observation:

  • Specific lectins binding to Renaut bodies in human sural nerves were investigated.
  • Lens culinaris (mannose) and Triticum vulgaris (glcNAc) showed strong binding to Renaut bodies.
  • Arachis hypogaea (galb(1-3)galNAc) and Ulex europaeus I (L-fucose) exhibited granular binding.

Findings:

  • Renaut bodies are predominantly rich in mannose and N-acetylglucosamine (glcNAc).
  • Galactose or terminal galNAc residues were not detected.

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  • The perineurium displayed similar lectin binding patterns, suggesting a potential origin.

    • Implications:

    • The carbohydrate composition of Renaut bodies provides clues to their cellular origin.
    • Results suggest a possible origin of Renaut bodies from the perineurium.
    • Further research can elucidate the precise role and formation of Renaut bodies in nerve tissue.