%0 Journal Article %T Making normal hematopoiesis invisible to CAR T cells. %A Kim MY %J Trends Cancer %V 9 %N 12 %D 2023 12 18 %M 37863719 %F 19.161 %R 10.1016/j.trecan.2023.10.001 %X Two recent studies, by Casirati et al. and Wellhausen et al., report genetically engineering normal hematopoietic stem and progenitor cells (HSPCs) to be resistant to chimeric antigen receptor (CAR)-T cells, by changing a single amino acid in the target protein that abrogates CAR binding, without compromising protein function. This allows for selective targeting of cancer cells without harming normal hematopoietic cells.