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Cerebellar lamellar bodies in two strains of murine scrapie
1Department of Neurology, Medical Academy of Lódź, Poland.
Journal of Comparative Pathology
|July 1, 1987
Abstract:
Lamellar inclusion bodies have been described by other authors in the granular layer of the cerebellum of people suffering from the unconventional slow-virus disease of kuru and were thought to be associated with the disease. In this study, these bodies were also found in mice infected with scrapie, which belongs to the same group of diseases, as well as their age-matched controls.
Insights
Lamellar inclusion bodies were found in the cerebellum of mice with scrapie, a slow-virus disease. These bodies were also present in healthy control mice, suggesting they are not unique to slow-virus infections.
Area of Science:
- Neuropathology
- Virology
- Neuroscience
Background:
- Lamellar inclusion bodies (LIBs) have been previously identified in the cerebellum of individuals with kuru, a human slow-virus disease.
- These structures were hypothesized to be associated with kuru pathogenesis.
Purpose of the Study:
- To investigate the presence of lamellar inclusion bodies in a mouse model of scrapie, a related slow-virus disease.
- To compare the occurrence of LIBs in infected animals versus age-matched controls.
Main Methods:
- Histopathological examination of cerebellar tissue from scrapie-infected mice.
- Comparison with cerebellar tissue from healthy, age-matched control mice.
Main Results:
- Lamellar inclusion bodies were observed in the granular layer of the cerebellum in mice infected with scrapie.
- These inclusion bodies were also detected in the cerebellum of age-matched control mice without scrapie infection.
Conclusions:
- The presence of lamellar inclusion bodies in the cerebellum is not exclusive to kuru or scrapie infections.
- Further research is needed to determine the precise nature and significance of these structures in both disease and healthy states.