Mono- and quadri-subtype virus-like particles (VLPs) containing H10 subtype elicit protective immunity to H10 influenza in a ferret challenge model.

Mono- and quadri-subtype virus-like particles (VLPs) containing H10 subtype elicit protective immunity to H10 influenza in a ferret challenge model.
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含有 H10 亚型的单亚型和四亚型病毒样颗粒 (VLP) 在雪貂攻击模型中引发对 H10 流感的保护性免疫。

DOI:
10.1016/j.vaccine.2016.09.012
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发表时间:
2016
期刊:
影响因子:
5.5
通讯作者:
Tumpey,TerrenceM
Tumpey,TerrenceM
中科院分区:
医学3区
文献类型:
--
作者:
Pushko,Peter;Sun,Xiangjie;Tretyakova,Irina;Hidajat,Rachmat;Pulit-Penaloza,JoannaA;Belser,JessicaA;Maines,TaronnaR;Tumpey,TerrenceM

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禽流感是一个全球性的公共卫生问题。2013年,H10N8病毒首次引起人类感染。目前还没有针对H10流感的批准疫苗。重组病毒样颗粒(VLP)代表了一种有前途的疫苗方法。在这项研究中,我们评估了含有H10N8病毒血凝素的H10 VLP作为雪貂攻击模型中的实验疫苗。此外,我们评估了共定位H5、H7、H9和H10亚型的四亚型VLP。两种疫苗均引发血清抗体,其与源自H10N8病毒的同源H10反应,并与异源H10N1病毒交叉反应。四亚型疫苗也能诱导产生抗H5、H7和H9同源抗原的血清抗体,并与H5N1病毒的多个分支发生交叉反应。在用H10N1病毒进行异源攻击后,所有接种疫苗的雪貂显示呼吸道中复制病毒的滴度显著降低,表明用H10 VLP或用四亚型VLP接种疫苗的保护作用。
Avian-origin influenza represents a global public health concern. In 2013, the H10N8 virus caused documented human infections for the first time. Currently, there is no approved vaccine against H10 influenza. Recombinant virus-like particles (VLPs) represent a promising vaccine approach. In this study, we evaluated H10 VLPs containing hemagglutinin from H10N8 virus as an experimental vaccine in a ferret challenge model. In addition, we evaluated quadri-subtype VLPs co-localizing H5, H7, H9 and H10 subtypes. Both vaccines elicited serum antibody that reacted with the homologous H10 derived from H10N8 virus and cross-reacted with the heterologous H10N1 virus. Quadri-subtype vaccine also elicited serum antibody to the homologous H5, H7, and H9 antigens and cross-reacted with multiple clades of H5N1 virus. After heterologous challenge with the H10N1 virus, all vaccinated ferrets showed significantly reduced titers of replicating virus in the respiratory tract indicating protective effect of vaccination with either H10 VLPs or with quadri-subtype VLPs.
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