Soluble CD155 immune complexes reprogram DNAM-1 signaling to potentiate antitumor immunity
Shota Kinoshita, Tomohei Matsuo, Naoto Takeuchi, Genki Okumura, Natsuki Ide, Akiko Iguchi‐Manaka, Soontae Gwon, Eri Sugiyama, Shohei Koyama, Hideaki Tahara, Chigusa Nakahashi-Oda, Akira Shibuya, Kazuko Shibuya
This paper identifies soluble CD155 as a systemic checkpoint that suppresses DNAM-1 signaling, leading to resistance to immune checkpoint inhibitors, and shows that an anti-sCD155 antibody can reprogram this signaling to enhance antitumor immunity.
bioRxiv · May 19, 2026 · PreprintImmunology