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Rift Valley fever virus immunity provided by a paramyxovirus vaccine vector

机译:副粘病毒疫苗载体提供的裂谷热病毒免疫

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摘要

Rift Valley fever virus (RVFV) causes recurrent large outbreaks among humans and livestock. Although the virus is currently confined to the African continent and the Arabian Peninsula, there is a growing concern for RVFV incursions into countries with immunologically naive populations. The RVFV structural glycoproteins Gn and Cc are preferred targets in the development of subunit vaccines that can be used to control future outbreaks. We here report the production of Gn and Cc by a recombinant vaccine strain of the avian paramyxovirus Newcastle disease virus (NDV) and demonstrate that intramuscular vaccination with this experimental NDV-based vector vaccine provides complete protection in mice. We also demonstrate that a single intramuscular vaccination of lambs, the main target species of RVFV, is sufficient to elicit a neutralizing antibody response.
机译:裂谷热病毒(RVFV)导致人和家畜反复发作大流行。尽管该病毒目前仅限于非洲大陆和阿拉伯半岛,但越来越多的人担心RVFV侵入具有免疫学天真人口的国家。 RVFV结构糖蛋白Gn和Cc是亚单位疫苗开发中的首选靶标,可用于控制未来爆发。我们在这里报告了禽副粘病毒新城疫病毒(NDV)的重组疫苗株的Gn和Cc的生产,并证明了这种基于NDV的实验性疫苗的肌肉内疫苗接种可在小鼠中提供完全的保护。我们还证明了羊肉(RVFV的主要目标物种)的单次肌内接种足以引起中和抗体反应。

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