期刊
JOURNAL OF VIROLOGY
卷 75, 期 22, 页码 11079-11087出版社
AMER SOC MICROBIOLOGY
DOI: 10.1128/JVI.75.22.11079-11087.2001
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资金
- NIAID NIH HHS [AI24345, AI-01469] Funding Source: Medline
- NICHD NIH HHS [HD27757] Funding Source: Medline
Foreign glycoproteins expressed in recombinant vesicular stomatitis virus (VSV) can elicit specific and protective immunity in the mouse model. We have previously demonstrated the expression of respiratory syncytial virus (RSV) G (attachment) and F (fusion) glycoprotein genes in recombinant VSV. In this study, we demonstrate the expression of RSV F and G glycoproteins in attenuated, nonpropagating VSVs which lack the VSV G gene (VSV DeltaG) and the incorporation of these RSV proteins into recombinant virions. We also show that intranasal vaccination of mice with nondefective VSV recombinants expressing RSV G (VSV-RSV G) or RSV F (VSV-RSV F) elicited RSV-specific antibodies in serum (by enzyme-linked immunosorbent assay [ELISA]) as well as neutralizing antibodies to RSV and afford complete protection against RSV challenge. In contrast, VSV DeltaG-RSV F induced detectable serum antibodies to RSV by ELISA, but no detectable neutralizing antibodies, yet it still protected from RSV challenge. VSV DeltaG-RSV G failed to induce any detectable serum (by ELISA) or neutralizing antibodies and failed to protect from RSV challenge. The attenuated, nonpropagating VSV DeltaG-RSV F is a particularly attractive candidate for a live attenuated recombinant RSV vaccine.
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