Immunohistochemical, ultrastructural and immunoelectron microscopic studies of spinal cord neurofibrillary tangles in progressive supranuclear palsy

S. Kato, A. Hirano, J. F. Llena

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Immunohistochemical, ultrastructural and immunoelectron microscopic studies of spinal cord neurofibrillary tangles (NFTs) in progressive supranuclear palsy (PSP) were performed. The spinal cord NFTs reacted with antibodies to tau protein (tau-2), ubiquitin and Alzheimer neurofibrillary tangles (ANTs, Ab 39). Ultrastructurally, the NFTs consisted of bundles of straight fibrils. In longitudinal sections, the individual NFT fibrils appeared as straight fibrils with a diameter of approximately 15 nm. In cross sections, circular structures approximately 15 nm in diameter were seen, and some had a central density. Electron microscopic examination of specimens stained with the antibodies and by the modified Bielschowsky method revealed the products of the tau, ubiquitin and ANTs immunoreactions and silver deposits on the NFT fibrils. This is the first demonstration of the ultrastructure of spinal cord NFTs in PSP.

Original languageEnglish (US)
Pages (from-to)531-538
Number of pages8
JournalNeuropathology and Applied Neurobiology
Volume18
Issue number6
StatePublished - 1992

Fingerprint

Progressive Supranuclear Palsy
Neurofibrillary Tangles
Spinal Cord
Ubiquitin
tau Proteins
Antibodies
Silver
Electrons

Keywords

  • Immunoelectron microscopy
  • Immunohistochemistry
  • Progressive supranuclear palsy
  • Spinal cord neurofibrillary tangles
  • Ultrastructure

ASJC Scopus subject areas

  • Clinical Neurology
  • Pathology and Forensic Medicine
  • Neuroscience(all)

Cite this

Immunohistochemical, ultrastructural and immunoelectron microscopic studies of spinal cord neurofibrillary tangles in progressive supranuclear palsy. / Kato, S.; Hirano, A.; Llena, J. F.

In: Neuropathology and Applied Neurobiology, Vol. 18, No. 6, 1992, p. 531-538.

Research output: Contribution to journalArticle

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