Distribution of rabies virus in infected mice, vaccinated and submitted to P-acnes as immunomodulator

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Megid, Jane [UNESP]
Cremonini, D. N.
Leomil, H.

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Elsevier B.V.


The lethality and distribution of rabies virus were evaluated in swiss mice experimentally infected with street rabies virus, vaccinated and submitted to immunomodulation by P. acnes (formerly Corynebacterium parvum). The animals were sacrificed at different times,when the different tissues were collected and submitted to fluorescent antibody test (FAT) and mouse inoculation test (MIT). The group submitted to vaccination and P. acnes treatment presented a percentage of survival superior to that observed in infected mice only treated with P. acnes. Control infected animals had the lowest survival rates. The distribution of rabies virus in spleen of infected mice, vaccinated and submitted to P. acnes was superior to that verified in infected mice not treated with P. acnes. The increased survival correlated with the distribution of rabies virus in lymphoid tissues, could be interpreted as the consequence of P. acnes activity on macrophages. The results suggest the role of macrophages against rabies virus infection in mice and the importance of vaccination in the post expositive treatment of rabies. (C) 2002 Published by Elsevier B.V. Ltd.



rabies, immunomodulator, P. acnes, pathogenesis

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Comparative Immunology Microbiology and Infectious Diseases. Oxford: Pergamon-Elsevier B.V., v. 25, n. 4, p. 237-248, 2002.