NCIt definition : A monoclonal antibody directed against the negative immunoregulatory human cell receptor
programmed cell death protein 1 (PD-1; PDCD1; CD279), with potential immune checkpoint
inhibitory and antineoplastic activities. Upon administration, prolgolimab binds to
and inhibits PD-1 and its downstream signaling pathways. This may restore immune function
through the activation of T-cells and cell-mediated immune responses against tumor
cells. PD-1, a transmembrane protein in the immunoglobulin superfamily (IgSF) expressed
on T-cells, functions as an immune checkpoint that negatively regulates T-cell activation
and effector function when activated by its ligands programmed cell death-1 ligand
1 (PD-L1) or 2 (PD-L2); it plays an important role in tumor evasion from host immunity.;