Regen BioPharma Inc (RGBP)

[sharky]

Immune Checkpoint Inhibitors


Checkpoint proteins, such as PD-L1 on tumor cells and PD-1 on T cells, help keep immune responses in check. The binding of PD-L1 to PD-1 keeps T cells from killing tumor cells in the body (left panel). Blocking the binding of PD-L1 to PD-1 with an immune checkpoint inhibitor (anti-PD-L1 or anti-PD-1) allows the T cells to kill tumor cells (right panel).

Credit: National Cancer Institute

https://www.cancer.gov/about-cancer/treatment/types/immunotherapy/checkpoint-inhibitors#:~:text=Immunotherapy%20drugs%20called%20immune%20checkpoint,checkpoint%20protein%20called%20CTLA%2D4.


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