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タイトル: SARS-CoV-2 B.1.617 mutations L452 and E484Q are not synergistic for antibody evasion
著者: Ferreira, Isabella
Kemp, Steven
Datir, Rawlings
Saito, Akatsuki
Meng, Bo
Rakshit, Partha
Takaori-Kondo, Akifumi
Kosugi, Yusuke
Uriu, Keiya
Kimura, Izumi
Shirakawa, Kotaro  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-7469-1276 (unconfirmed)
Abdullahi, Adam
The CITIID-NIHR BioResource COVID-19 Collaboration, The Indian SARS-CoV-2 Genomics Consortium (INSACOG)
Agarwal, Anurag
Ozono, Seiya
Tokunaga, Kenzo
Genotype to Phenotype Japan (G2P-Japan) Consortium
Sato, Kei
Gupta, Ravindra K.
著者名の別形: 齊藤, 暁
高折, 晃史
小杉, 優介
瓜生, 慧也
木村, 出海
白川, 康太郎
徳永, 研三
佐藤, 佳
キーワード: antibody escape
B.1.617
COVID-19
evasion
fitness
Indian variant
infectivity
neutralizing antibodies
resistance
SARS-CoV-2
spike mutation
mutation
vaccines
antibodies
pathogenicity
neutralizing antibodies
sars-cov-2
covid-19
covid-19 vaccines
発行日: Sep-2021
出版者: Oxford University Press (OUP)
誌名: The Journal of Infectious Diseases
巻: 224
号: 6
開始ページ: 989
終了ページ: 994
抄録: The SARS-CoV-2 B.1.617 variant emerged in the Indian state of Maharashtra in late 2020. There have been fears that two key mutations seen in the receptor binding domain L452R and E484Q would have additive effects on evasion of neutralising antibodies. We report that spike bearing L452R and E484Q confers modestly reduced sensitivity to BNT162b2 mRNA vaccine-elicited antibodies following either first or second dose. The effect is similar in magnitude to the loss of sensitivity conferred by L452R or E484Q alone. These data demonstrate reduced sensitivity to vaccine elicited neutralising antibodies by L452R and E484Q but lack of synergistic loss of sensitivity.
記述: SARS-CoV-2 B.1.617系統(俗称「インド株」)のL452R変異とE484Q変異は 中和抗体感受性の低下において、相加的な抵抗性を示さない. 京都大学プレスリリース. 2021-08-24.
著作権等: © The Author(s) 2021. Published by Oxford University Press for the Infectious Diseases Society of America.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
URI: http://hdl.handle.net/2433/265297
DOI(出版社版): 10.1093/infdis/jiab368
PubMed ID: 34260717
関連リンク: https://www.kyoto-u.ac.jp/ja/research-news/2021-08-24
出現コレクション:学術雑誌掲載論文等

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