A Novel Recombinant Virus-Like Particle Vaccine For Prevention Of Porcine Parvovirus-Induced Reproductive Failure
Vaccine(2006)
摘要
A novel vaccine against porcine parvovirus (PPV), composed of recombinant virus-like particles (PPV-VLPs) produced with the baculovirus expression vector system (BEVS) at industrial scale, was tested for its immunogenicity and protective potency. A formulation of submicrogram amounts of PPV-VLPs in a water-in-mineral oil adjuvant evoked high serum antibody titres in both guinea pigs, used as reference model, and target species, pigs. A single immunisation with 0.7 mu g of this antigen yielded complete foetal protection against PPV infection after challenge with a virulent strain of this virus. Furthermore, also in the presence of mild adjuvants the protective action of these PPV-VLPs is excellent. This recombinant subunit vaccine overcomes some of the drawbacks of classical PPV vaccines. (c) 2006 Elsevier Ltd. All rights reserved.
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关键词
porcine parvovirus,virus-like particles,vaccine,recombinant
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