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Protective effects against simian immunodeficiency virus agm (SIVagm) infection in cynomolgus monkeys immunized with a recombinant vaccinia virus expressing the SIVagm envelope gene.
Ibuki, K; Ido, E; Funahashi, S; Miura, T; Hayami, M; Shida, H.
Afiliação
  • Ibuki K; Department of Cell Biology, Institute for Virus Research, Kyoto University, Shogoin Kawahara-cho, Sakyo-ku, Kyoto, Japan.
Vaccine ; 18(5-6): 511-6, 1999 Oct 14.
Article em En | MEDLINE | ID: mdl-10519941
ABSTRACT
Protective immunity induced by a recombinant vaccinia virus expressing the envelope (Env) protein of a simian immunodeficiency virus strain, SIVagm, (SEN-RVV), was evaluated in cynomolgus monkeys (Macaca fascicularis). Three monkeys were immunized twice with SEN-RVV and boostered with the purified SIVagm Env protein. These monkeys developed high titers of anti-SIVagm Env antibody, especially after boostering. After challenge with polyclonal SIVagm, no virus was recovered from two of the monkeys and no provirus DNA was detected in one of these two. After autopsy, however, proviral DNA was detected in the spleen of this monkey. These results suggest that this immunization regimen could not completely protect the monkeys from SIV infection but that it did reduce the replicability of the challenged virus.
Assuntos
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Vaccinia virus / Vacinas Sintéticas / Produtos do Gene env / Síndrome de Imunodeficiência Adquirida dos Símios / Vacinas contra a SAIDS Limite: Animals / Humans Idioma: En Ano de publicação: 1999 Tipo de documento: Article
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Vaccinia virus / Vacinas Sintéticas / Produtos do Gene env / Síndrome de Imunodeficiência Adquirida dos Símios / Vacinas contra a SAIDS Limite: Animals / Humans Idioma: En Ano de publicação: 1999 Tipo de documento: Article