Tumor cells develop mechanisms to evade detection by the immune system by expressing a protein called PD - L1. (sciencedaily.com)
Therefore, having less MHC I molecules may allow cancer cells to hide better and escape detection by the immune system. (sciencedaily.com)
Studying the blood stages of the parasite has therefore been a priority and scientists are trying to understand exactly how the parasite manages to avoid detection by the immune system over and over again. (yourgenome.org)