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A broadly neutralizing humanized ACE2-targeting antibody against SARS-CoV-2 variants

Medicine and Health

A broadly neutralizing humanized ACE2-targeting antibody against SARS-CoV-2 variants

Y. Du, R. Shi, et al.

Discover the groundbreaking research on h11B11, an ACE2-blocking monoclonal antibody that demonstrates exceptional efficacy in inhibiting SARS-CoV and SARS-CoV-2. Conducted by an expert team including Yanyun Du and Rui Shi, this study unveils promising therapeutic and preventive strategies against viral replication with minimal toxicity.

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Playback language: English
Abstract
The study isolates and humanizes an ACE2-blocking monoclonal antibody (h11B11) showing potent inhibitory activity against SARS-CoV and SARS-CoV-2 lineages. Therapeutic and prophylactic administration in a mouse model alleviated and prevented viral replication and associated syndromes. High-dose injections in cynomolgus monkeys showed no significant toxicity. Structural analysis revealed the antibody's mechanism involves hindering and competing with the RBD for ACE2 binding. This suggests h11B11 as a potential therapeutic countermeasure.
Publisher
Nature Communications
Published On
Aug 17, 2021
Authors
Yanyun Du, Rui Shi, Ying Zhang, Xiaomin Duan, Li Li, Jing Zhang, Fengze Wang, Ruixue Zhang, Hao Shen, Yue Wang, Zheng Wu, Qianwen Peng, Ting Pan, Wanwei Sun, Weijin Huang, Yue Feng, Hui Feng, Junyu Xiao, Wenjie Tan, Youchun Wang, Chenhui Wang, Jinghua Yan
Tags
ACE2-blocking
monoclonal antibody
SARS-CoV
SARS-CoV-2
viral replication
toxicity
therapeutic countermeasure
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