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| Castilho, J. G.; Batista, H. B. C. R.; Rodrigues, A. C.; Carnieli Jr, P.; Oliveira, R. N.; Silva, A. C. R.; Caporale, G. M. M.; Carrieri, M. L.; Kotait, I.; Brandão, P. E.. |
| The aim of this study was to develop a new mechanism for antiviral therapy against rabies based on the introduction by transfection with a cationic reagent (lipofectamine 2000) of antibodies into neuronal cells infected with the rabies virus. N2A cells were infected using 96-well plates and different viral concentrations (0.1, 1.0, 10 and 100 TCID50) of three lineages of rabies virus circulating in Brazil (dog, Desmodus rotundus and Eptesicus furinalis). After incubation for 24 h, the cells were transfected with antirabies- virus polyclonal antibodies and lipofectamine 2000. These cells made up the treatment group (TG). The cells in the negative control group (CG) were treated with only Minimum Essential Medium. After 11 hours, the plates were fixed with... |
| Tipo: Info:eu-repo/semantics/article |
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| Ano: 2013 |
URL: http://www.revistamvez-crmvsp.com.br/index.php/recmvz/article/view/3080 |
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| Castilho, J. G.; Rodrigues, A. C.; Carnieli, P. J. R.; Oliveira, R. N.; Silva, A. C. R.; Caporale, G. M. M.; Brandão, P. E.; Batista, H. B. C. R.. |
| This study describes the comparison of in vivo and in vitro transfection of antibodies to use as a new mechanism for antiviral therapy against rabies. The transfection was made in vitro with neuroblastoma murine cell line (Neuro‐2a) and in vivo with 21 years old mice. Both cells and mice were infected with different infectious doses (0.1; 1.0; 10 and 100 ID50) of the rabies virus. After 24 hours the infected cells and mice were transfected with polyclonal antibodies against rabies produced in equines (unpurified hyperimmune serum ‐ total antibody) using a cationic reagent, the lipofectamine 2000 previously diluted 1:20, for the negative transfection control, only minimum essential medium was used. The ability of the antibodies to neutralize the rabies... |
| Tipo: Info:eu-repo/semantics/article |
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| Ano: 2013 |
URL: http://www.revistamvez-crmvsp.com.br/index.php/recmvz/article/view/17374 |
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| Lima, J. Y. O.; Achkar, S. M.; Scheffer, K. C.; Castilho, J. G.; Rodrigues, A. C.; Kotait, I.; Carrieri, M. L.. |
| Bats are considered important reservoirs of rabies virus, which is paramount in the study of the pathogenesis of this zoonosis disease, through the use of sensitive systems. The presence of viral antigen in these species shows that non-neuronal viral spread is efficient in different organs that participate effectively in the elimination of rabies virus, such as, salivary glands and bladder. This study aimed to investigate the presence of rabies virus in samples of bats submitted for laboratory diagnosis, as well as, to study the pathogenesis of the disease through the use of laboratory animals. 3,930 routine diagnostic specimens of bats were processed during the period between January 2011 and May 2012 by direct immunofluorescence (DIF) and viral isolation... |
| Tipo: Info:eu-repo/semantics/article |
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| Ano: 2013 |
URL: http://www.revistamvez-crmvsp.com.br/index.php/recmvz/article/view/3078 |
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