Immunization with an attenuated severe acute respiratory syndrome coronavirus deleted in E protein protects against lethal respiratory disease.
Immunization with an attenuated severe acute respiratory syndrome coronavirus deleted in E protein protects against lethal respiratory disease.
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DOI:
10.1016/j.virol.2010.01.004
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发表时间:
2010-03-30
期刊:
影响因子:
3.7
通讯作者:
Perlman S
中科院分区:
文献类型:
--
作者:
Netland J;DeDiego ML;Zhao J;Fett C;Álvarez E;Nieto-Torres JL;Enjuanes L;Perlman S
The severe acute respiratory syndrome coronavirus (SARS-CoV) caused substantial morbidity and mortality in 2002–2003. Deletion of the envelope (E) protein modestly diminished virus growth in tissue culture but abrogated virulence in animals. Here, we show that immunization with rSARS-CoV-ΔE or SARS-CoV-Δ[E,6-9b] (deleted in accessory proteins (6, 7a, 7b, 8a, 8b, 9b) in addition to E) nearly completely protected BALB/c mice from fatal respiratory disease caused by mouse-adapted SARS-CoV and partly protected hACE2 Tg mice from lethal disease. hACE2 Tg mice, which express the human SARS-CoV receptor, are extremely susceptible to infection. We also show that rSARS-CoV-ΔE and rSARS-CoV-Δ[E,6-9b] induced anti-virus T cell and antibody responses. Further, the E-deleted viruses were stable after 16 blind passages through tissue culture cells, with only a single mutation in the surface glycoprotein detected. The passaged virus remained avirulent in mice. These results suggest that rSARS-CoV-ΔE is an efficacious vaccine candidate that might be useful if SARS recurred.
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影响因子:
3.5
作者:
Lai CW;Chan ZR;Yang DG;Lo WH;Lai YK;Chang MD;Hu YC
通讯作者:
Hu YC
影响因子:
3.8
作者:
Law, PTW;Wong, CH;Tsui, SKW
通讯作者:
Tsui, SKW
DOI:
10.1073/pnas.0603144103
发表时间:
2006-08-22
影响因子:
11.1
作者:
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通讯作者:
Makino, Shinji
影响因子:
5.4
作者:
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通讯作者:
Masters, PS
影响因子:
5.4
作者:
Kopecky-Bromberg, Sarah A.;Martinez-Sobrido, Luis;Palese, Peter
通讯作者:
Palese, Peter