immune checkpoint

An immune checkpoint is a natural part of the immune system that helps regulate immune responses, preventing it from attacking the body's own cells or becoming overactive. Think of it as a "brake" that slows down immune cells when necessary. In cancer, some tumors exploit these checkpoints to avoid being attacked by immune cells. To counter this, scientists have developed drugs called checkpoint inhibitors that block these brakes, allowing the immune system to recognize and destroy cancer cells more effectively. This approach has become a powerful tool in cancer treatment, boosting the body's ability to fight tumors.