ImmunologybioRxivPreprint
PD-1 signaling is essential for the early accumulation of HBV-specific CD8+ T cells during HBV infection
Xiaoqing Zeng, Wen Pan, Ziwei Li…·Jia Liu
This study shows PD-1 is essential for early HBV-specific CD8+ T cell expansion and survival during acute infection but does not suppress effector cytokine function, and its absence impairs proliferation and promotes exhaustion in chronic infection.
DOI 10.1101/2025.09.17.676789