PD-1/PD-L1-IN-14 (compound 17) is a bifunctional inhibitor of PD-L1[1].
PD-1/PD-L1-IN-14 (compound 17) promotes cell-surface PD-L1 internalized into the cytosol and induces the degradation of PD-L1 in tumor cells through a lysosome-dependent pathway[1].
[1]. Tianyu Wang, et al. Discovery of Small-Molecule Inhibitors of the PD-1/PD-L1 Axis That Promote PD-L1 Internalization and Degradation. J Med Chem. 2022 Mar 10;65(5):3879-3893.