Author: Zhao, Yongkun; Wang, Chong; Qiu, Boning; Li, Chufang; Wang, Hualei; Jin, Hongli; Gai, Weiwei; Zheng, Xuexing; Wang, Tiecheng; Sun, Weiyang; Yan, Feihu; Gao, Yuwei; Wang, Qian; Yan, Jinghua; Chen, Ling; Perlman, Stanley; Zhong, Nanshan; Zhao, Jincun; Yang, Songtao; Xia, Xianzhu
Title: Passive immunotherapy for Middle East Respiratory Syndrome coronavirus infection with equine immunoglobulin or immunoglobulin fragments in a mouse model Cord-id: qdmunb9l Document date: 2016_11_24
ID: qdmunb9l
Snippet: Middle East Respiratory Syndrome (MERS) is a highly lethal pulmonary infection caused by a coronavirus (CoV), MERS-CoV. With the continuing spread of MERS-CoV, prophylactic and therapeutic treatments are urgently needed. In this study, we prepared purified equine F(ab’)(2) from horses immunized with MERS-CoV virus-like particles (VLPs) expressing MERS-CoV S, M and E proteins. Both IgG and F(ab’)(2) efficiently neutralized MERS-CoV replication in tissue culture. Passive transfer of equine imm
Document: Middle East Respiratory Syndrome (MERS) is a highly lethal pulmonary infection caused by a coronavirus (CoV), MERS-CoV. With the continuing spread of MERS-CoV, prophylactic and therapeutic treatments are urgently needed. In this study, we prepared purified equine F(ab’)(2) from horses immunized with MERS-CoV virus-like particles (VLPs) expressing MERS-CoV S, M and E proteins. Both IgG and F(ab’)(2) efficiently neutralized MERS-CoV replication in tissue culture. Passive transfer of equine immune antibodies significantly reduced virus titers and accelerated virus clearance from the lungs of MERS-CoV infected mice. Our data show that horses immunized with MERS-CoV VLPs can serve as a primary source of protective F(ab’)(2) for potential use in the prophylactic or therapeutic treatment of exposed or infected patients.
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