卡氏棘阿米巴促进柯萨奇B3病毒的体外存活和传播
Acanthamoeba castellanii promotion of in vitro survival and transmission of coxsackie b3 viruses.
作者信息
Mattana A, Serra C, Mariotti E, Delogu G, Fiori P L, Cappuccinelli P
机构信息
Dipartimento di Scienze del Farmaco, Via Muroni 23/A, 07100 Sassari, Italy.
出版信息
Eukaryot Cell. 2006 Apr;5(4):665-71. doi: 10.1128/EC.5.4.665-671.2006.
Abstract
This work was undertaken to determine whether Acanthamoeba could play a role in the survival and transmission of coxsackieviruses and focused on in vitro interactions between Acanthamoeba castellanii and coxsackie B3 viruses (CVB-3). Residual virus titer evaluations and immunofluorescence experiments revealed a remarkable CVB-3 adsorption on amoeba surfaces and accumulation inside cells. The survival of viruses was independent of the dynamics of amoeba replication and encystment. In addition, our results indicated that virus-infected amoebas can release infectious viruses during interaction with human macrophages. On the basis of these data, Acanthamoeba appears to be a potential promoter of the survival of coxsackieviruses and their transmission to human hosts.
摘要
开展这项工作是为了确定棘阿米巴是否在柯萨奇病毒的存活和传播中发挥作用，并着重研究卡氏棘阿米巴与柯萨奇B3病毒（CVB-3）之间的体外相互作用。残留病毒滴度评估和免疫荧光实验显示，CVB-3在变形虫表面有显著吸附，并在细胞内积累。病毒的存活与变形虫复制和包囊形成的动态过程无关。此外，我们的结果表明，受病毒感染的变形虫在与人类巨噬细胞相互作用期间能够释放有感染性的病毒。基于这些数据，棘阿米巴似乎是柯萨奇病毒存活及其向人类宿主传播的潜在促进因素。
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