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首页> 外文期刊>Cytokine >Lineage-dependent differences of Zika virus infection in a susceptible mouse model are associated with different profiles of cytokines, chemokines, growth factors and acute phase proteins
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Lineage-dependent differences of Zika virus infection in a susceptible mouse model are associated with different profiles of cytokines, chemokines, growth factors and acute phase proteins

机译:敏感小鼠模型中的Zika病毒感染的血迹依赖性差异与细胞因子,趋化因子,生长因子和急性期蛋白不同的不同谱相关

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Zika virus (ZIKV) is phylogenetically divided into two lineages comprising African (ZIKV(AF)) and Asian (ZIKV(AS)) genotypes. In the type-I interferon receptor deficient mouse model, ZIKV(AF) causes severe disease with all mice meeting humane endpoints with doses as low as 10 plaque-forming units (pfu) whereas a much milder infection is seen after challenge with ZIKV(AS), including with doses as high as 10(6) pfu. Using this mouse model, the elucidation of cytokine, chemokine, growth factor and acute phase protein responses over the course of infection were studied to determine whether these analytes contributed to the stark difference in clinical outcome. Results demonstrated some significant differences, with the ZIKV(AF) infection being associated with increases in a higher number of biomarkers than ZIKV(AS). When low (10 pfu) and high (10(6) pfu) challenge doses were compared, animals given the lower virus inoculum showed a wider range of responses, indicating a different disease progression compared to those challenged with high doses. These results aid with elucidating the different outcomes with the two lineages of ZIKV and with future work to assess pathogenicity of virus infection.
机译:Zika病毒(Zikv)在阴影中被分为包括非洲(ZIKV(AF))和亚洲(ZIKV(AS))基因型的两个谱系。在I型干扰素受体缺乏小鼠模型中,ZIKV(AF)将所有小鼠患有患有人道终点的严重疾病,剂量低至10个斑块形成单位(PFU),而在ZIKV挑战后,会看到更猛烈的感染(如),包括高达10(6)PFU的剂量。使用这种鼠标模型,研究了细胞因子,趋化因子,生长因子和急性期蛋白质对感染过程中的反应,以确定这些分析物是否有助于临床结果的显着差异。结果表明了一些显着差异,ZIKV(AF)感染与比ZIKV(AS)的增加的生物标志物的增加相关。当比较低(10个PFU)和高(10(6)PFU)挑战剂量时,给予下病毒接种物的动物显示出更广泛的反应,表明与用高剂量挑战的人相比,不同的疾病进展。这些结果有助于阐明与ZIKV的两个谱系以及未来的工作来评估病毒感染的致病性。

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