Antigenicity assessment of SARS-CoV-2 saltation variant BA.2.87.1

The recent emergence of a SARS-CoV-2 saltation variant, BA.2.87.1, which features 65 spike mutations relative to BA.2, has attracted worldwide attention. In this study, we elucidate the antigenic characteristics and immune evasion capability of BA.2.87.1. Our findings reveal that BA.2.87.1 is more s...

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Main Authors: Sijie Yang, Yuanling Yu, Fanchong Jian, Ayijiang Yisimayi, Weiliang Song, Jingyi Liu, Peng Wang, Yanli Xu, Jing Wang, Xiao Niu, Lingling Yu, Yao Wang, Fei Shao, Ronghua Jin, Youchun Wang, Yunlong Cao
Format: Article
Language:English
Published: Taylor & Francis Group 2024-12-01
Series:Emerging Microbes and Infections
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Online Access:https://www.tandfonline.com/doi/10.1080/22221751.2024.2343909
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author Sijie Yang
Yuanling Yu
Fanchong Jian
Ayijiang Yisimayi
Weiliang Song
Jingyi Liu
Peng Wang
Yanli Xu
Jing Wang
Xiao Niu
Lingling Yu
Yao Wang
Fei Shao
Ronghua Jin
Youchun Wang
Yunlong Cao
author_facet Sijie Yang
Yuanling Yu
Fanchong Jian
Ayijiang Yisimayi
Weiliang Song
Jingyi Liu
Peng Wang
Yanli Xu
Jing Wang
Xiao Niu
Lingling Yu
Yao Wang
Fei Shao
Ronghua Jin
Youchun Wang
Yunlong Cao
author_sort Sijie Yang
collection DOAJ
description The recent emergence of a SARS-CoV-2 saltation variant, BA.2.87.1, which features 65 spike mutations relative to BA.2, has attracted worldwide attention. In this study, we elucidate the antigenic characteristics and immune evasion capability of BA.2.87.1. Our findings reveal that BA.2.87.1 is more susceptible to XBB-induced humoral immunity compared to JN.1. Notably, BA.2.87.1 lacks critical escaping mutations in the receptor binding domain (RBD) thus allowing various classes of neutralizing antibodies (NAbs) that were escaped by XBB or BA.2.86 subvariants to neutralize BA.2.87.1, although the deletions in the N-terminal domain (NTD), specifically 15-23del and 136-146del, compensate for the resistance to humoral immunity. Interestingly, several neutralizing antibody drugs have been found to restore their efficacy against BA.2.87.1, including SA58, REGN-10933 and COV2-2196. Hence, our results suggest that BA.2.87.1 may not become widespread until it acquires multiple RBD mutations to achieve sufficient immune evasion comparable to that of JN.1.
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institution Kabale University
issn 2222-1751
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publishDate 2024-12-01
publisher Taylor & Francis Group
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series Emerging Microbes and Infections
spelling doaj-art-ddf249efe53945b0ac86117dd357f8ff2024-12-07T04:40:18ZengTaylor & Francis GroupEmerging Microbes and Infections2222-17512024-12-0113110.1080/22221751.2024.2343909Antigenicity assessment of SARS-CoV-2 saltation variant BA.2.87.1Sijie Yang0Yuanling Yu1Fanchong Jian2Ayijiang Yisimayi3Weiliang Song4Jingyi Liu5Peng Wang6Yanli Xu7Jing Wang8Xiao Niu9Lingling Yu10Yao Wang11Fei Shao12Ronghua Jin13Youchun Wang14Yunlong Cao15Biomedical Pioneering Innovation Center (BIOPIC), Peking University, Beijing, People’s Republic of ChinaChangping Laboratory, Beijing, People’s Republic of ChinaBiomedical Pioneering Innovation Center (BIOPIC), Peking University, Beijing, People’s Republic of ChinaBiomedical Pioneering Innovation Center (BIOPIC), Peking University, Beijing, People’s Republic of ChinaBiomedical Pioneering Innovation Center (BIOPIC), Peking University, Beijing, People’s Republic of ChinaBiomedical Pioneering Innovation Center (BIOPIC), Peking University, Beijing, People’s Republic of ChinaChangping Laboratory, Beijing, People’s Republic of ChinaBeijing Ditan Hospital Capital Medical University, Beijing, People’s Republic of ChinaChangping Laboratory, Beijing, People’s Republic of ChinaBiomedical Pioneering Innovation Center (BIOPIC), Peking University, Beijing, People’s Republic of ChinaChangping Laboratory, Beijing, People’s Republic of ChinaChangping Laboratory, Beijing, People’s Republic of ChinaChangping Laboratory, Beijing, People’s Republic of ChinaBeijing Ditan Hospital Capital Medical University, Beijing, People’s Republic of ChinaChangping Laboratory, Beijing, People’s Republic of ChinaBiomedical Pioneering Innovation Center (BIOPIC), Peking University, Beijing, People’s Republic of ChinaThe recent emergence of a SARS-CoV-2 saltation variant, BA.2.87.1, which features 65 spike mutations relative to BA.2, has attracted worldwide attention. In this study, we elucidate the antigenic characteristics and immune evasion capability of BA.2.87.1. Our findings reveal that BA.2.87.1 is more susceptible to XBB-induced humoral immunity compared to JN.1. Notably, BA.2.87.1 lacks critical escaping mutations in the receptor binding domain (RBD) thus allowing various classes of neutralizing antibodies (NAbs) that were escaped by XBB or BA.2.86 subvariants to neutralize BA.2.87.1, although the deletions in the N-terminal domain (NTD), specifically 15-23del and 136-146del, compensate for the resistance to humoral immunity. Interestingly, several neutralizing antibody drugs have been found to restore their efficacy against BA.2.87.1, including SA58, REGN-10933 and COV2-2196. Hence, our results suggest that BA.2.87.1 may not become widespread until it acquires multiple RBD mutations to achieve sufficient immune evasion comparable to that of JN.1.https://www.tandfonline.com/doi/10.1080/22221751.2024.2343909SARS-CoV-2neutralizing antibodieshumoral immunityimmune escapesaltation variant
spellingShingle Sijie Yang
Yuanling Yu
Fanchong Jian
Ayijiang Yisimayi
Weiliang Song
Jingyi Liu
Peng Wang
Yanli Xu
Jing Wang
Xiao Niu
Lingling Yu
Yao Wang
Fei Shao
Ronghua Jin
Youchun Wang
Yunlong Cao
Antigenicity assessment of SARS-CoV-2 saltation variant BA.2.87.1
Emerging Microbes and Infections
SARS-CoV-2
neutralizing antibodies
humoral immunity
immune escape
saltation variant
title Antigenicity assessment of SARS-CoV-2 saltation variant BA.2.87.1
title_full Antigenicity assessment of SARS-CoV-2 saltation variant BA.2.87.1
title_fullStr Antigenicity assessment of SARS-CoV-2 saltation variant BA.2.87.1
title_full_unstemmed Antigenicity assessment of SARS-CoV-2 saltation variant BA.2.87.1
title_short Antigenicity assessment of SARS-CoV-2 saltation variant BA.2.87.1
title_sort antigenicity assessment of sars cov 2 saltation variant ba 2 87 1
topic SARS-CoV-2
neutralizing antibodies
humoral immunity
immune escape
saltation variant
url https://www.tandfonline.com/doi/10.1080/22221751.2024.2343909
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