Structure basis for distinct protective mechanisms of IGHV3-23 antibodies targeting influenza hemagglutinin stem
Huibin Lv, Yang Wei Huan, Tossapol Pholcharee, Qi Wen Teo, Wenkan Liu, Akshita Baiju Gopal, Danbi Choi, Madison R. Ardagh, Timothy J.C. Tan, Yuanxin Sun, Arjun Mehta, Jinghang Li, Mateusz Szlembarski, Jessica J. Huang, Emily X. Ma, , Nicholas C. Wu
This study identifies three IGHV3-23 antibodies targeting influenza HA stem, showing that non-neutralizing antibodies with enhanced Fc-mediated effector functions offer better in vivo protection than a potent neutralizer.
bioRxiv · Nov 6, 2025 · PreprintImmunology