https://www.selleckchem.com/pr....oducts/ly2801653-mer
Immune checkpoint proteins, especially PD-L1 and PD-1, play a crucial role in controlling the intensity and duration of the immune response, thus preventing the development of autoimmunity. These proteins play a vital role in enabling cancer cells to escape immunity, proliferate and progress. This brief review highlights essential points related to testing for immune checkpoint therapy that histopathologists need to know. In recent years, several inhibitors of these proteins have been used to reactivate the immune system to