Natural Killer (NK) cells are a type of lymphocyte in the immune system that play a crucial role in the body's defense against tumors and virally infected cells.
NK cells can directly kill cancer cells through the release of cytotoxic granules containing perforin and granzymes. Perforin forms pores in the target cell membrane, allowing granzymes to enter and induce apoptosis (programmed cell death).
NK cells produce various cytokines, such as interferon-gamma (IFN-γ), which can enhance the immune response and promote the activation of other immune cells, including macrophages and T cells.
-Monoclonal Antibodies: Using antibodies that engage NK cells to target and kill cancer cells.
-Cytokine Therapy: Administering cytokines like IL-2 or IL-15 to boost NK cell activity.
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