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  • 1
    ISSN: 1432-0533
    Keywords: Key words Rapidly progressive motor neuron disease ; Modified Gallyas-Braak methods ; Argyrophilic and ubiquitinated filamentous inclusions ; Tubular-like ¶filamentous profiles
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In an autopsy case of sporadic rapidly progressive lower motor neuron disease (MND), Gallyas-positive argyrophilic and ubiquitinated filamentous intracytoplasmic inclusions were found in the neurons. Clinically, 7 months prior to death, a 68-year-old woman experienced a history of rapidly progressive muscle weakness of all four extremities and bulbar sign, without sensory and autonomic disturbance. Two months later, she became unable to stand or walk. Four months after onset, she needed respiratory support, and subsequently died due to cardiorespiratory arrest. Neuropathological examinations revealed neuronal loss and associated gliosis in the lower motor neurons, except for ocular motor nuclei, Clark’s column, and accessory cuneate nucleus, and tract degeneration was observed in the middle root zone of the posterior column and spinocerebellar tract. No Bunina bodies or Lewy body-like hyaline inclusions were found in the anterior horns. Gallyas-positive argyrophilic filamentous inclusions were found in the lower motor neurons and in nerve cells of the Clark’s column, intermediate zone, posterior horn and accessory cuneate nucleus. These were positive with anti-ubiquitin antibody but negative with anti-tau (tau-2 and AT8) and neurofilament antibodies. Electron microscopic examinations disclosed randomly arranged tubular-like filamentous profiles, with a diameter of 12–14 nm, sometimes with amorphous granules in the perikaryon. This is the first report on the Gallyas-positive argyrophilic and ubiquitinated filamentous inclusions in neurons in MND.
    Type of Medium: Electronic Resource
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