RNA sequestration to pathological lesions of neurodegenerative diseases (original) (raw)

Abstract

Cytoplasmic RNA species have been identified recently within neurofibrillary tangles and senile plaques of Alzheimer’s disease brain. To determine whether RNA sequestration is a common feature of other lesions found in progressive neurodegenerative disorders, acridine orange histofluorescence was employed, alone or in combination with immunohistochemistry and thioflavine-S staining to identify RNA species in paraffin-embedded brain tissue sections. Postmortem samples came from 39 subjects with the following diagnoses: Alzheimer’s disease, amyotrophic lateral sclerosis/parkinsonism-dementia complex of Guam, corticobasal degeneration, diffuse Lewy body disease, normal controls, multiple system atrophy, Parkinson’s disease, Pick’s disease, progressive supranuclear palsy, and Shy-Drager syndrome. RNAs were detected in neurofibrillary tangles and neuritic senile plaques as well as in Pick bodies. However, Lewy bodies, Hirano bodies, and cytoplasmic glial inclusions did not contain abundant cytoplasmic RNA species. These observations demonstrate the selective localization of RNA species to distinct pathological lesions of neurodegenerative disease brains.

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Authors and Affiliations

  1. Center for Neurodegenerative Disease Research and Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, 3rd Floor HUP-Maloney Bldg., 3600 Spruce St., Philadelphia, PA 19104-4283, USA e-mail: sginsber@mail.med.upenn.edu, Tel.: +1-215-662-3292, Fax: +1-215-349-5909, , , , , , US
    S. D. Ginsberg, J. E. Galvin, T.-S. Chiu, Virginia M.-Y. Lee & John Q. Trojanowski
  2. Department of Neuroscience, University of California School of Medicine, San Diego, California, USA, , , , , , US
    Eliezer Masliah

Authors

  1. S. D. Ginsberg
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  2. J. E. Galvin
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  3. T.-S. Chiu
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  4. Virginia M.-Y. Lee
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  5. Eliezer Masliah
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  6. John Q. Trojanowski
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Received: 15 April 1998 / Revised, accepted: 25 June 1998

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Ginsberg, S., Galvin, J., Chiu, TS. et al. RNA sequestration to pathological lesions of neurodegenerative diseases.Acta Neuropathol 96, 487–494 (1998). https://doi.org/10.1007/s004010050923

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