Interferon-beta and interferon-gamma synergistically inhibit the replication of severe acute respiratory syndrome-associated coronavirus (SARS-CoV)

被引:143
作者
Sainz, B
Mossel, EC
Peters, CJ
Garry, RF
机构
[1] Univ Texas, Med Branch, Dept Microbiol & Immunol, Galveston, TX 77555 USA
[2] Tulane Univ, Hlth Sci Ctr, Dept Microbiol & Immunol, Program Mol Pathogenesis & Immun, New Orleans, LA 70112 USA
[3] Univ Texas, Med Branch, Dept Pathol, Galveston, TX 77555 USA
关键词
coronavirus; interferon-gamma; interferon-beta;
D O I
10.1016/j.virol.2004.08.011
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Recent studies have shown that interferon-gamma (IFN-gamma) synergizes with IFN-alpha/beta to inhibit the replication of both RNA and DNA viruses. We investigated the effects of IFNs on the replication of two strains of severe acute respiratory syndrome-associated coronavirus (SARS-CoV). While treatment of Vero E6 cells with 100 U/ml of either IFN-beta or IFN-gamma marginally reduced viral replication, treatment with both IFN-beta and IFN-gamma inhibited SARS-CoV plaque formation by 30-fold and replication by 3000-fold at 24 h and by > 1 X 10(5)-fold at 48 and 72 h post-infection. These studies suggest that combination IFN treatment warrants further investigation as a treatment for SARS. (C) 2004 Elsevier Inc. All rights reserved.
引用
收藏
页码:11 / 17
页数:7
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