Advertisement'Living Drug' That Fights Cancer By Harnessing Immune System Clears Key HurdleJuly 12, 2017Rob SteinfacebookEmailImage of a CAR-T cell (reddish) attacking a leukemia cell (green). These CAR-T lymphocytes are used for immunotherapy against cancer (CAR stands for chimeric antigen receptor). After the proliferation of the CAR-expressing T cells, they are transfused back into the patient and can directly detect the cancer cells carrying the antigen. (Eye of Science/Science Source)