A PD-L1 test uses a sample of cancerous tumor tissue to measure how much of a protein called PD-L1 is found on the cancer cells. If you have certain types of cancer, PD-L1 testing can …

Expression of the programmed death-1 (PD-1) ligand 1 (PD-L1) is used to select patients and analyze responses to anti–PD-1/L1 antibodies. The expression of PD-L1 is regulated in …

can bind to another protein called PD-1. When this happens, the two proteins block the immune system from killing cancer cells. Doctors have figured out how to prevent the two proteins from …

May 22, 2017 · PD-L1 is a protein that allows some cells to escape an attack by the immune system. Extending from the cancer cell surface, PD-L1 interacts with a protein called PD-1 on …

A protein that acts as a kind of “brake” to keep the body’s immune responses under control. PD-L1 may be found on some normal cells and in higher-than-normal amounts on some types of …

Oct 11, 2025 · The PD-L1 stands for Programmed Death-Ligand 1, is a protein which is found on the surface of some cancerous cells. The PD-L1 stands a critical role in the immune invasion, …

Mar 16, 2023 · PD-L1 (programmed cell death ligand 1) is a protein in certain healthy cells. While PD-L1 is found in normal cells, it’s also found on some types of cancer cells, and in higher …

Jan 22, 2025 · At the time of diagnosis, all new lung cancer patients should have their PD-L1 levels tested. This involves looking at tumor tissue under a microscope using a laboratory …

Dec 6, 2024 · PD-L1 plays a big role in treating lung cancer. It’s important to understand PD-L1 well because it helps decide on the best approach to treat lung cancer. This article will talk …

Feb 6, 2025 · PD-L1, referred to as programmed cell death ligand, is on the outer layer of some normal blood cells, as well as some cancer cells. When PD-1 binds to PD-L1, this puts the …