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Experimental Herpes Simplex Encephalitis of Mice Demonstrated by the Fluorescent Antibody Method Tatsuya Yamamoto 1 , Sugito Otani 2 , Hirotsugu Shiraki 1 1Division of Neuropathology, Institute of Brain Research, School of Medicine, University of Tokyo 2Department of Internal Medicine, Institute for Infectious Diseases, University of Tokyo pp.641-648
Published Date 1965/12/25
DOI https://doi.org/10.11477/mf.1431904229
  • Abstract
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The pattern of infection in experimental herpes simplex encephalitis with special regard to the ageing effect was investigated using the fluorescent antibody technique. The findings obtained in newborn mice inoculated intraperitoneally with herpes simplex virus were summarized as follows.1) The propagation of herpes virus to the central nervous system was brought about through the fol-lowing two ways; hematogenous route producing the cerebral and cerebellar lesions and neural one responsible for an infection of the spinal cord. 2) Nerve cells, astrocytes and Schwann cells were the main hosts of the nervous system infection in which the virus antigen were exclusively localized in their cytoplasm. 3) Among viscera, the gas-trointestine, lung and liver were most frequently affected. The ageing process of mice caused a characteristic change of the above-mentioned pat-tern of infection. 1) The nervous system and digestive tracts were the major sites of herpetic infection after a gradual reduction of the sus-ceptibility of other viscera. 2) The vulnerability of the nervous regions characterized by hematoge-nous route, i.e. the cerebral hemisphere and cere-bellum, increased in parallel with a certain topo-graphical selectivity of lesions. 3) The peripheral nervous system such as the sympathetic nerve fiber plexus twined around blood vessels and the spinal nerve was extensively infected. 4) The steep fall of organ susceptibility to herpes virus occurred about three weeks after birth.


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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