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.
中科院分区:
文献类型:
--
作者:
Craigo, Jodi K.;Barnes, Shannon;Cook, Sheila J.;Issel, Charles J.;Montelaro, Ronald C.
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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