Inhibition of integrin αvβ8-mediated TGFβ activation and active-TGFβ blockade promote anti-tumor immunity through distinct biological mechanisms
Kate Williams, Stephanie Mittman, Natalie S. Firmino, Jasmine W. Larrick, Zhe Zhang, Caroline Whitty, Hsiao‐Yen Ma, Xin Ren, Cecilia Chiu, Yagai Yang, Jianhuan Zhang, Minh Thai, Helena Païdassi, Matthieu Masureel, Kelly M. Loyet, , Alessandra Castiglioni
The paper shows that blocking integrin αvβ8 suppresses TGFβ in tumor-draining lymph nodes and enhances DC-T cell activation, offering a new immunotherapy strategy distinct from TGFβ ligand blockade.
bioRxiv · Jul 9, 2026 · PreprintImmunology