Rigid, bivalent CTLA-4 binding to CD80 is required to disrupt the cis CD80 / PD-L1 interaction
M. A. Robinson, A. Kennedy, C. T. Orozco, H.-C. Chen, E. A. Waters, D. Giovacchini, K. Yeung, L. Filer, C. Hinze, C. Lloyd, S. Dovedi, D. Sansom
This paper shows that rigid, bivalent CTLA-4 binding to CD80 disrupts the cis CD80/PD-L1 interaction, promoting PD-L1 availability through orientation and cross-linking.
bioRxiv · Apr 19, 2024 · PreprintImmunology