Rigid, bivalent CTLA-4 binding to CD80 is required to disrupt the cis CD80 / PD-L1 interaction
Maximillian A Robinson, Alan Kennedy, Carolina T Orozco, Hung-Chang Chen, E. A. Waters, Dalisay Giovacchini, Kay Yeung, Lily Filer, Claudia Hinze, Christopher Lloyd, Simon J Dovedi, David M 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