Identifying functional anti-Staphylococcus aureus antibodies by sequencing antibody repertoires of patient plasmablasts

Published by Elsevier Inc.

Bibliographische Detailangaben
Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 152(2014), 1-2 vom: 19. Mai, Seite 77-89
1. Verfasser: Lu, Daniel R (VerfasserIn)
Weitere Verfasser: Tan, Yann-Chong, Kongpachith, Sarah, Cai, Xiaoyong, Stein, Emily A, Lindstrom, Tamsin M, Sokolove, Jeremy, Robinson, William H
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't Antibody Infection Staphylococcus aureus Adhesins, Bacterial Antibodies, Bacterial Immunoglobulin Heavy Chains Immunoglobulin Light Chains mehr... Recombinant Proteins fibronectin-binding proteins, bacterial
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520 |a Infection by Staphylococcus aureus is on the rise, and there is a need for a better understanding of host immune responses that combat S. aureus. Here we use DNA barcoding to enable deep sequencing of the paired heavy- and light-chain immunoglobulin genes expressed by individual plasmablasts derived from S. aureus-infected humans. Bioinformatic analysis of the antibody repertoires revealed clonal families of heavy-chain sequences and enabled rational selection of antibodies for recombinant expression. Of the ten recombinant antibodies produced, seven bound to S. aureus, of which four promoted opsonophagocytosis of S. aureus. Five of the antibodies bound to known S. aureus cell-surface antigens, including fibronectin-binding protein A. Fibronectin-binding protein A-specific antibodies were isolated from two independent S. aureus-infected patients and mediated neutrophil killing of S. aureus in in vitro assays. Thus, our DNA barcoding approach enabled efficient identification of antibodies involved in protective host antibody responses against S. aureus 
650 4 |a Journal Article 
650 4 |a Research Support, N.I.H., Extramural 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Antibody 
650 4 |a Infection 
650 4 |a Staphylococcus aureus 
650 7 |a Adhesins, Bacterial  |2 NLM 
650 7 |a Antibodies, Bacterial  |2 NLM 
650 7 |a Immunoglobulin Heavy Chains  |2 NLM 
650 7 |a Immunoglobulin Light Chains  |2 NLM 
650 7 |a Recombinant Proteins  |2 NLM 
650 7 |a fibronectin-binding proteins, bacterial  |2 NLM 
700 1 |a Tan, Yann-Chong  |e verfasserin  |4 aut 
700 1 |a Kongpachith, Sarah  |e verfasserin  |4 aut 
700 1 |a Cai, Xiaoyong  |e verfasserin  |4 aut 
700 1 |a Stein, Emily A  |e verfasserin  |4 aut 
700 1 |a Lindstrom, Tamsin M  |e verfasserin  |4 aut 
700 1 |a Sokolove, Jeremy  |e verfasserin  |4 aut 
700 1 |a Robinson, William H  |e verfasserin  |4 aut 
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773 1 8 |g volume:152  |g year:2014  |g number:1-2  |g day:19  |g month:05  |g pages:77-89 
856 4 0 |u http://dx.doi.org/10.1016/j.clim.2014.02.010  |3 Volltext 
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