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Yunlong Cao, Jing Wang, Fanchong Jian, Tianhe Xiao, Weiliang Song, Ayijiang Yisimayi, Weijin Huang, Qianqian Li, Peng Wang, Ran An and 22 more
The SARS-CoV-2 B.1.1.529 variant (Omicron) contains 15 mutations on the receptor-binding domain (RBD). How Omicron would evade RBD neutralizing antibodies (NAbs) and humoral immunity requires immediate investigation. Here, we used high-throughput yeast display screening1,2 to determine the RBD escaping mutation profiles for 247 human anti-RBD NAbs identified from SARS-CoV/SARS-CoV-2 convalescents and vaccinees. Based on the results, NAbs could be unsupervised clustered into six epitope groups (A-F), which is highly concordant with knowledge-based structural classifications3-5. Strikingly, various single mutations of Omicron could impair NAbs of different epitope groups. Specifically, NAbs in Group A-D, whose epitope overlaps with ACE2-binding motif, are largely escaped by K417N, N440K, G446S, E484A, Q493K, and G496S. Group E (S309 site)6 and F (CR3022 site)7 NAbs, which often exhibit broad sarbecovirus neutralizing activity, are less affected by Omicron, but still, a subset of NAbs are escaped by G339D, S371L, and S375F. Furthermore, B.1.1.529 pseudovirus neutralization and RBD binding assay showed that single mutation tolerating NAbs could also be escaped due to multiple synergetic mutations on their epitopes. In total, over 85% of the tested NAbs are escaped by Omicron. Regarding NAb drugs, LY-CoV016/LY-CoV555 cocktail, REGN-CoV2 cocktail, AZD1061/AZD8895 cocktail, and BRII-196 were escaped by Omicron, while VIR7831 and DXP-604 still function at reduced efficacy. Together, data suggest Omicron could cause significant humoral immune evasion, while NAbs targeting the sarbecovirus conserved region remain most effective. Our results offer instructions for developing NAb drugs and vaccines against Omicron and future variants.
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Cao, Y., Wang, J., Jian, F., Xiao, T., Song, W., Yisimayi, A., Huang, W., Li, Q., Wang, P., An, R., Wang, J., Wang, Y., Wang, Y., Niu, X., Yang, S., Liang, H., Sun, H., Li, T., Yu, Y., … Xie, X. S. (2021). Omicron escapes the majority of existing SARS-CoV-2 neutralizing antibodies. Nature, 602(7898), 657–663. https://doi.org/10.1038/s41586-021-04385-3
Cao, Yunlong, et al. "Omicron escapes the majority of existing SARS-CoV-2 neutralizing antibodies." Nature, vol. 602, no. 7898, 2021, pp. 657–663, https://doi.org/10.1038/s41586-021-04385-3.
Cao, Yunlong, Jing Wang, Fanchong Jian, Tianhe Xiao, Weiliang Song, Ayijiang Yisimayi, Weijin Huang, et al. "Omicron escapes the majority of existing SARS-CoV-2 neutralizing antibodies." Nature 602, no. 7898 (2021): 657–663. https://doi.org/10.1038/s41586-021-04385-3.
Cao Y., Wang J., Jian F. [и др.] Omicron escapes the majority of existing SARS-CoV-2 neutralizing antibodies // Nature. — 2021. — Vol. 602, № 7898. — P. 657–663. — URL: https://doi.org/10.1038/s41586-021-04385-3
@article{cao2021omicron,
title = {{Omicron escapes the majority of existing SARS-CoV-2 neutralizing antibodies}},
author = {Yunlong Cao and Jing Wang and Fanchong Jian and Tianhe Xiao and Weiliang Song and Ayijiang Yisimayi and Weijin Huang and Qianqian Li and Peng Wang and Ran An and Jing Wang and Yao Wang and Yao Wang and Xiao Niu and Sijie Yang and Hui Liang and Haiyan Sun and Tao Li and Yuanling Yu and Qianqian Cui and Shuo Liu and Xiaodong Yang and Shuo Du and Zhiying Zhang and Fei Shao and Fei Shao and Ronghua Jin and Xiangxi Wang and Junyu Xiao and Youchun Wang and Youchun Wang and Xiaoliang Sunney Xie},
journal = {Nature},
year = {2021},
volume = {602},
number = {7898},
pages = {657--663},
doi = {10.1038/s41586-021-04385-3},
url = {https://doi.org/10.1038/s41586-021-04385-3}
}TY - JOUR AU - Cao, Yunlong AU - Wang, Jing AU - Jian, Fanchong AU - Xiao, Tianhe AU - Song, Weiliang AU - Yisimayi, Ayijiang AU - Huang, Weijin AU - Li, Qianqian AU - Wang, Peng AU - An, Ran AU - Wang, Jing AU - Wang, Yao AU - Wang, Yao AU - Niu, Xiao AU - Yang, Sijie AU - Liang, Hui AU - Sun, Haiyan AU - Li, Tao AU - Yu, Yuanling AU - Cui, Qianqian AU - Liu, Shuo AU - Yang, Xiaodong AU - Du, Shuo AU - Zhang, Zhiying AU - Shao, Fei AU - Shao, Fei AU - Jin, Ronghua AU - Wang, Xiangxi AU - Xiao, Junyu AU - Wang, Youchun AU - Wang, Youchun AU - Xie, Xiaoliang Sunney TI - Omicron escapes the majority of existing SARS-CoV-2 neutralizing antibodies JO - Nature VL - 602 IS - 7898 SP - 657 EP - 663 PY - 2021 DA - 2021/12/23 DO - 10.1038/s41586-021-04385-3 UR - https://doi.org/10.1038/s41586-021-04385-3 ER -
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