Human coronavirus dependency on host heat shock protein 90 reveals an antiviral target

Cun Li, Hin Chu, Xiaojuan Liu, Man Chun Chiu, Xiaoyu Zhao, Dong Wang, Yuxuan Wei, Yuxin Hou, Huiping Shuai, Jianpiao Cai, Jasper Fuk-Woo Chan, Jie Zhou & Kwok Yung Yuen
Rapid accumulation of viral proteins in host cells render viruses highly dependent on cellular chaperones including heat shock protein 90 (Hsp90). Three highly pathogenic human coronaviruses, including MERS-CoV, SARS-CoV and SARS-CoV-2, have emerged in the past 2 decades. However, there is no approved antiviral agent against these coronaviruses. We inspected the role of Hsp90 for coronavirus propagation. First, an Hsp90 inhibitor, 17-AAG, significantly suppressed MERS-CoV propagation in cell lines and physiological-relevant human intestinal organoids. Second,...
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