國家衛生研究院 NHRI:Item 3990099045/8298
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    題名: Delivery of human EV71 receptors by adeno-associated virus increases EV71 infection-induced local inflammation in adult mice
    作者: Hsiao, HB;Chou, AH;Lin, SI;Lien, SP;Liu, CC;Chong, P;Chen, CY;Tao, MH;Liu, SJ
    貢獻者: Division of Vaccine Research and Development
    摘要: Enterovirus71 (EV71) is now recognized as an emerging neurotropic virus in Asia and one major causative agent of hand-foot-mouth diseases (HFMD). However potential animal models for vaccine development are limited to young mice. In this study, we used an adeno-associated virus (AAV) vector to introduce the human EV71 receptors P-selectin glycoprotein ligand-1 (hPSGL1) or a scavenger receptor class-B member-2 (hSCARB2) into adult ICR mice to change their susceptibility to EV71 infection. Mice were administered AAV-hSCARB2 or AAV-hPSGL1 through intravenous and oral routes. After three weeks, expression of human SCARB2 and PSGL1 was detected in various organs. After infection with EV71, we found that the EV71 viral load in AAV-hSCARB2- or AAV-hPSGL1-transduced mice was higher than that of the control mice in both the brain and intestines. The presence of EV71 viral particles in tissues was confirmed using immunohistochemistry analysis. Moreover, inflammatory cytokines were induced in the brain and intestines of AAV-hSCARB2- or AAV-hPSGL1-transduced mice after EV71 infection but not in wild-type mice. However, neurological disease was not observed in these animals. Taken together, we successfully infected adult mice with live EV71 and induced local inflammation using an AAV delivery system.
    日期: 2014-08-27
    關聯: BioMed Research International. 2014 Aug 27;2014:Article number 878139.
    Link to: http://dx.doi.org/10.1155/2014/878139
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000344295800001
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84930326469
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