[This corrects the article DOI: 10.3389/fimmu.2024.1345473.].
Keywords: IL-21; IgE; PD-1; anti-drug antibodies; immunogenicity; mutein.
Copyright © 2024 Kroenke, Manning, Zuch de Zafra, Zhang, Cook, Archer, Lolkema, Wang, Hoofring, Saini, Aeffner, Ahern, Cabanas, Govindan, Hui, Gupta and Mytych.