Sai Luo, Jun Zhang, Alex J B Kreutzberger, Amanda Eaton, Robert J Edwards, Changbin Jing, Hai-Qiang Dai, Gregory D Sempowski, Kenneth Cronin, Robert Parks, Adam Yongxin Ye, Katayoun Mansouri, Maggie Barr, Novalia Pishesha, Aimee Chapdelaine Williams, Lucas Vieira Francisco, Anand Saminathan, Hanqin Peng, Himanshu Batra, Lorenza Bellusci, Surender Khurana, S Munir Alam, David C Montefiori, Kevin O Saunders, Ming Tian, Hidde Ploegh, Tom Kirchhausen, Bing Chen, Barton F Haynes, Frederick W Alt
SARS-CoV-2 Omicron subvariants have generated a worldwide health crisis due to resistance to most approved SARS-CoV-2 neutralizing antibodies and evasion of vaccination-induced antibodies. To manage Omicron subvariants and prepare for new ones, additional means of isolating broad and potent humanized SARS-CoV-2 neutralizing antibodies are desirable. Here, we describe a mouse model in which the primary B cell receptor (BCR) repertoire is generated solely through V(D)J recombination of a human VH 1-2 heavy chain (HC) and, substantially, a human Vκ1-33 light chain (LC)...
October 28, 2022: Science Immunology