Divergence, not diversity of an attenuated equine lentivirus vaccine strain correlates with protection from disease.

Divergence, not diversity of an attenuated equine lentivirus vaccine strain correlates with protection from disease.
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DOI:
10.1016/j.vaccine.2010.10.003
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发表时间:
2010-11-29
期刊:
影响因子:
5.5
通讯作者:
Montelaro, Ronald C.
Montelaro, Ronald C.
中科院分区:
医学3区
文献类型:
--
作者:
Craigo, Jodi K.;Barnes, Shannon;Cook, Sheila J.;Issel, Charles J.;Montelaro, Ronald C.
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我们最近报道了一项减毒EIAV疫苗研究,该研究直接检测了慢病毒包膜序列变异对疫苗效力的影响。这项研究首次证明了一种祖传疫苗未能起到保护作用,并揭示了包膜分化与疾病保护之间存在显著的反比线性关系。在目前的研究中,我们详细研究了先前研究中使用的减毒疫苗株的演变。我们在这里证明,在六个月的攻毒前期间,减毒株逐渐进化,并且观察到的疾病保护与原始疫苗株的分化显著相关。
We recently reported an attenuated EIAV vaccine study that directly examined the effect of lentiviral envelope sequence variation on vaccine efficacy. The study demonstrated for the first time the failure of an ancestral vaccine to protect and revealed a significant, inverse, linear relationship between envelope divergence and protection from disease. In the current study we examine in detail the evolution of the attenuated vaccine strain utilized in this previous study. We demonstrate here that the attenuated strain progressively evolved during the six-month pre-challenge period and that the observed protection from disease was significantly associated with divergence from the original vaccine strain.
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发表时间: 2001-03-13
影响因子: 11.1
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