Local, but not circulating, complement C3 governs immune checkpoint blockade efficacy
Yuki Miyai, Yukihiro Shiraki, Daisuke Sugiyama, Yoshitaka Sato, Katsuhiro Kato, Naoya Asai, Fuyang Cao, Nobuyoshi Nagao, Kana Tanabe, Masahiro Nakatochi, Tetsunari Hase, Tetsushi Yoshikawa, Tomoko Kobayashi, Shintaro Iwama, Nobutoshi Esaki, , Atsushi Enomoto
This study shows that locally produced C3 in cancer-associated fibroblasts, not circulating C3, determines immune checkpoint blockade efficacy by modulating myeloid cell infiltration.
bioRxiv · May 12, 2025 · PreprintCancer Biology