Fig. 5: Four primary sources of NK cells in NK cell engineering.
From: Chimeric antigen receptor-based natural killer cell immunotherapy in cancer: from bench to bedside
There are four primary sources of NK cells including peripheral blood (PB), induced pluripotent stem cells (iPSC), mesenchymal stem cells (e.g., umbilical cord blood), and NK cell lines (e.g., NK-92), especially in CAR-NK cell therapy.
