Human monoclonal antibodies against Staphylococcus aureus A protein identified by high-throughput single-cell sequencing of phase I clinical volunteers' B cells

Copyright © 2023 Elsevier Inc. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 257(2023) vom: 01. Dez., Seite 109843
1. Verfasser: Wang, WenHao (VerfasserIn)
Weitere Verfasser: Gu, YaRu, Ou, YangXue, Zhou, JinRui, Liu, BiXia, Zuo, HouYi, Du, YeXiang, Wang, Ying, Tang, TengQian, Zou, QuanMing, Zuo, QianFei
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Clinical Trial, Phase I Journal Article Research Support, Non-U.S. Gov't Human monoclonal antibody Single-Cell Sequencing Staphylococcus aureus Staphylococcus aureus protein a Antibodies, Bacterial Antibodies, Monoclonal Immunoglobulin G
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520 |a Methicillin-resistant Staphylococcus aureus, poses a significant threat through infections in both community and hospital settings. To address this challenge, we conducted a phase I clinical trial study involving a recombinant Staphylococcus aureus vaccine. Utilizing peripheral blood lymphocytes from 64 subjects, we isolated antigen-specific memory B cells for subsequent single-cell sequencing. Among the 676 identified antigen-binding IgG1+ clones, we selected the top 10 antibody strains for construction within expression vectors. Successful expression and purification of these monoclonal antibodies led to the discovery of a highly expressed human antibody, designated as IgG-6. This antibody specifically targets the pentameric form of the Staphylococcus aureus protein A (SpA5). In vivo assessments revealed that IgG-6 provided prophylactic protection against MRSA252 infection. This study underscores the potential of human antibodies as an innovative strategy against Staphylococcus aureus infections, offering a promising avenue for further research and clinical development 
650 4 |a Clinical Trial, Phase I 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Human monoclonal antibody 
650 4 |a Single-Cell Sequencing 
650 4 |a Staphylococcus aureus 
650 4 |a Staphylococcus aureus protein a 
650 7 |a Antibodies, Bacterial  |2 NLM 
650 7 |a Antibodies, Monoclonal  |2 NLM 
650 7 |a Immunoglobulin G  |2 NLM 
700 1 |a Gu, YaRu  |e verfasserin  |4 aut 
700 1 |a Ou, YangXue  |e verfasserin  |4 aut 
700 1 |a Zhou, JinRui  |e verfasserin  |4 aut 
700 1 |a Liu, BiXia  |e verfasserin  |4 aut 
700 1 |a Zuo, HouYi  |e verfasserin  |4 aut 
700 1 |a Du, YeXiang  |e verfasserin  |4 aut 
700 1 |a Wang, Ying  |e verfasserin  |4 aut 
700 1 |a Tang, TengQian  |e verfasserin  |4 aut 
700 1 |a Zou, QuanMing  |e verfasserin  |4 aut 
700 1 |a Zuo, QianFei  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Clinical immunology (Orlando, Fla.)  |d 1999  |g 257(2023) vom: 01. Dez., Seite 109843  |w (DE-627)NLM098196855  |x 1521-7035  |7 nnns 
773 1 8 |g volume:257  |g year:2023  |g day:01  |g month:12  |g pages:109843 
856 4 0 |u http://dx.doi.org/10.1016/j.clim.2023.109843  |3 Volltext 
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