CAR T cells have cured cancer for many patients. But the current treatment process is a laborious (and expensive) one. CAR T cell therapy pioneer Carl June, MD, has teamed up with nobelprize_org Laureate Drew Weissman, MD, PhD, to explore the possibility of using #mRNAvaccines to help a patient's own body create the #CARTcells needed to train the immune system to fight cancer.