Predominant structural configuration of natural antibody repertoires enables potent antibody responses against protein antigens

Humoral immunity against diverse pathogens is rapidly elicited from natural antibody repertoires of limited complexity. But the organizing principles underlying the antibody repertoires that facilitate this immunity are not well-understood. We used HER2 as a model immunogen and reverse-engineered mu...

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Veröffentlicht in:Scientific reports 2015-07, Vol.5 (1), p.12411-12411, Article 12411
Hauptverfasser: Chen, Hong-Sen, Hou, Shin-Chen, Jian, Jhih-Wei, Goh, King-Siang, Shen, San-Tai, Lee, Yu-Ching, You, Jhong-Jhe, Peng, Hung-Pin, Kuo, Wen-Chih, Chen, Shui-Tsung, Peng, Ming-Chi, Wang, Andrew H.-J., Yu, Chung-Ming, Chen, Ing-Chien, Tung, Chao-Ping, Chen, Tzu-Han, Ping Chiu, Kuo, Ma, Che, Yuan Wu, Chih, Lin, Sheng-Wei, Yang, An-Suei
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container_issue 1
container_start_page 12411
container_title Scientific reports
container_volume 5
creator Chen, Hong-Sen
Hou, Shin-Chen
Jian, Jhih-Wei
Goh, King-Siang
Shen, San-Tai
Lee, Yu-Ching
You, Jhong-Jhe
Peng, Hung-Pin
Kuo, Wen-Chih
Chen, Shui-Tsung
Peng, Ming-Chi
Wang, Andrew H.-J.
Yu, Chung-Ming
Chen, Ing-Chien
Tung, Chao-Ping
Chen, Tzu-Han
Ping Chiu, Kuo
Ma, Che
Yuan Wu, Chih
Lin, Sheng-Wei
Yang, An-Suei
description Humoral immunity against diverse pathogens is rapidly elicited from natural antibody repertoires of limited complexity. But the organizing principles underlying the antibody repertoires that facilitate this immunity are not well-understood. We used HER2 as a model immunogen and reverse-engineered murine antibody response through constructing an artificial antibody library encoded with rudimentary sequence and structural characteristics learned from high throughput sequencing of antibody variable domains. Antibodies selected in vitro from the phage-displayed synthetic antibody library bound to the model immunogen with high affinity and specificities, which reproduced the specificities of natural antibody responses. We conclude that natural antibody structural repertoires are shaped to allow functional antibodies to be encoded efficiently, within the complexity limit of an individual antibody repertoire, to bind to diverse protein antigens with high specificity and affinity. Phage-displayed synthetic antibody libraries, in conjunction with high-throughput sequencing, can thus be designed to replicate natural antibody responses and to generate novel antibodies against diverse antigens.
doi_str_mv 10.1038/srep12411
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subjects 101/1
45
45/47
49/1
49/23
631/1647/2163
631/1647/514/2254
631/61/338/469
631/92/605
82
82/1
82/47
Affinity
Amino Acid Sequence
Animals
Antibodies
Antibody libraries
Antibody response
Antigen-Antibody Reactions - immunology
Antigens
Binding Sites
ErbB-2 protein
Humanities and Social Sciences
Humans
Humoral immunity
Immunity, Innate - immunology
Immunoglobulins
Mice
Molecular Sequence Data
multidisciplinary
Next-generation sequencing
Phages
Protein Binding
Receptor, ErbB-2 - chemistry
Receptor, ErbB-2 - immunology
Science
Structure-Activity Relationship
Vaccines
title Predominant structural configuration of natural antibody repertoires enables potent antibody responses against protein antigens
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