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Experimental Rabies with Special Reference to Pathology of Suckling Mice Sugito Otani 1 1Department of Internal Medicine, Institute of Infectious Diseases, University of Tokyo pp.649-652
Published Date 1965/12/25
DOI https://doi.org/10.11477/mf.1431904230
  • Abstract
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It is no doubt that the methodology of classical histopathology has certainly contributed to an understanding of the infectious processes of rabies encephalitis by presenting various natures and distributions of neuropathologic lesions. It, how-ever, is true that these lesions are essentially of indirect tissue responses to rabies virus multiplica-tion. No informations on a direct or close rela-tionship of viral existence to those tissues responsesare available from this methodology. The spread-ing pattern of viral affection can, to some extent. be traced by acidophilic intracytoplasmic inclusion bodies or famous Negri-bodies. However, the most cells in which rabies virus synthesis occurs do not necessarily show those inclusion bodies. The trac-ing of the spreading pattern of rabies virus in the experimental animals, therefore, has an inclination to lead to the errousous conclusion. On the other hand, tissue necrosis or other responses, such as glial nodules, neuronophagias, perivascular cell cuffings etc., can only serve indirectly to speculate possible muliplication of rabies virus. Virological methods naturally make possible an exact identi-fication of existence of virus and its amount in tissues, but can give no details about a relationship of virus replication to cellular or tissue structures.

A being complementary to the disadvantages of those two methods mentioned above, the fluorescent antibody technic allows to demonstrate impressively the whole sequence of rabies virus infection at cellular, tissue or organ levels. One of the signi-ficant result thus obtained is a wide variety of cellular tropism inherent in rabies street virus which relates closely to the development and cha-racteristics of nervous and other visceal lesions.

The topographical selectivity of cerebral and other viseceral lesions in rabies encephalitis in human beings, as represented by brain stem, Am-mons horn, cerebellar cortex particularly Purkinje cells, dorsal root ganglia and salivary gland cells, care to some extent, suggested in the present animal experiments. The detailed analysis and the reasonable explanation to high vulnerability of certain organ or tissue to rabies virus remains to the future.


Copyright © 1965, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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