Inhibition of infection caused by severe acute respiratory syndrome-associated coronavirus by equine neutralizing antibody in aged mice

被引:18
作者
Zhou, Lili
Ni, Bing
Luo, Deyan
Zhao, Guangyu
Jia, Zhengcai
Zhang, Liangyan
Lin, Zhihua
Wang, Li
Zhang, Songle
Xing, Li
Li, Jintao
Liang, Yunfei
Shi, Xinfu
Zhao, TingTing
Zhou, Liyun
Wu, Yuzhang [1 ]
Wang, Xiliang
机构
[1] Acad Mil Med Sci, State Key Lab Pathogen & Biosecur, Inst Microbiol & Epidemiol, Dept Immunol, Beijing 100071, Peoples R China
[2] Third Mil Med Univ, Inst Immunol, Chongqing 400038, Peoples R China
[3] Chongqing Inst Technol, Coll Bioengn, Chongqing 400050, Peoples R China
基金
中国国家自然科学基金;
关键词
SARS-CoV; infection; equine; F(ab')(2); aged; mice;
D O I
10.1016/j.intimp.2006.10.009
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
The high susceptibility of elderly to severe acute respiratory syndrome-associated coronavirus (SARS-CoV) indicates how crucial it is to protect the elderly by various strategies. Aged BALB/c mice displayed a high susceptibility to SARS-CoV and have been a valuable platform for evaluation of strategies against SARS-CoV infection. In this study, we confirmed the validity of this model using various methods, and verified that equine anti-SARS-CoV F(ab')(2) can prevent aged animals from SARS-CoV infection. In a therapeutic setting, treatment with anti-SARS-CoV F(ab')(2) decreased viral load more than several thousand folds in the lungs. Thus, this antibody should be a potential candidate for treatment of elderly patients suffering from SARS. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:392 / 400
页数:9
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