Characterization of the Pathogenesis of H10N3, H10N7, and H10N8 Subtype Avian Influenza Viruses Circulating in Ducks.

Characterization of the Pathogenesis of H10N3, H10N7, and H10N8 Subtype Avian Influenza Viruses Circulating in Ducks.
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鸭中传播的 H10N3、H10N7 和 H10N8 亚型禽流感病毒的发病机制特征

DOI:
10.1038/srep34489
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发表时间:
2016-09-28
期刊:
影响因子:
4.6
通讯作者:
Li Z
Li Z
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Zhang M;Zhang X;Xu K;Teng Q;Liu Q;Li X;Yang J;Xu J;Chen H;Zhang X;Li Z

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从我国家鸭体内分离到3株H10亚型禽流感病毒,分别命名为SH 602/H10 N8、FJ 1761/H10 N3和SX 3180/H10 N7,静脉注射致病指数(IVPI)分别为0.39、1.60和1.27。这些H10病毒在不同物种中表现出复杂的病理模式,尽管病毒的全基因组表征不能识别任何分子决定因素,这些分子决定因素是观察到的表型的基础。我们的研究结果描述了三种H10亚型AIV在鸡、鸭和小鼠中的病理生物学。FJ 1761/H10 N3在感染小鼠中进化出编码PB 2蛋白的基因中的E627 K和Q591 K替换,这表明H10亚型禽流感病毒对哺乳动物具有潜在的威胁。
Three H10 subtype avian influenza viruses were isolated from domestic ducks in China, designated as SH602/H10N8, FJ1761/H10N3 and SX3180/H10N7, with an intravenous pathogenicity index (IVPI) of 0.39, 1.60, and 1.27, respectively. These H10 viruses showed a complex pathology pattern in different species, although full genome characterizations of the viruses could not identify any molecular determinant underlying the observed phenotypes. Our findings describe the pathobiology of the three H10 subtype AIVs in chickens, ducks, and mice. FJ1761/H10N3 evolved E627K and Q591K substitutions in the gene encoding the PB2 protein in infected mice with severe lung damage, suggesting that H10 subtype avian influenza viruses are a potential threat to mammals.
人类感染新型禽源甲型流感 (H7N9) 病毒。
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