Systemic Cysteine Elevation Sustains T-Cell Activation to Potentiate PD-1 Blockade
Xiaoshuang Wang, Zi Wang, Yuqi Guo, Fangxi Xu, Jinhui Zhu, Scott C. Thomas, Deepak Saxena, Jinghang Xie, Xin Li
This study shows that systemic cysteine elevation enhances T-cell activation and improves the efficacy of PD-1 blockade in pancreatic cancer.
bioRxiv · Mar 18, 2026 · PreprintCancer Biology