Natural Killer cells are immune system warriors capable of identifying and destroying cancer cells without prior exposure. Unlike T cells, they do not require antigen sensitization, making them ideal for rapid immune responses. NK cells detect abnormal signals on tumor cells, triggering cytotoxic activity that eliminates cancer while sparing healthy cells. Their unique function is cri... https://xelleratherapeutics.blogspot.com/2025/12/how-natural-killer-cells-target-cancer-without-prior-sensitization.html