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- W2945863457 startingPage "1319" @default.
- W2945863457 abstract "Cellular cytotoxicity, the ability to kill other cells, is an important effector mechanism of the immune system to combat viral infections and cancer. Cytotoxic T cells and natural killer (NK) cells are the major mediators of this activity. Here, we summarize the cytotoxic mechanisms of NK cells. NK cells can kill virally infected of transformed cells via the directed release of lytic granules or by inducing death receptor-mediated apoptosis via the expression of Fas ligand or TRAIL. The biogenesis of perforin and granzymes, the major components of lytic granules, is a highly regulated process to prevent damage during the synthesis of these cytotoxic molecules. Additionally, NK cells have developed several strategies to protect themselves from the cytotoxic activity of granular content upon degranulation. While granule-mediated apoptosis is a fast process, death receptor-mediated cytotoxicity requires more time. Current data suggest that these 2 cytotoxic mechanisms are regulated during the serial killing activity of NK cells. As many modern approaches of cancer immunotherapy rely on cellular cytotoxicity for their effectiveness, unraveling these pathways will be important to further progress these therapeutic strategies." @default.
- W2945863457 created "2019-05-29" @default.
- W2945863457 creator A5021855291 @default.
- W2945863457 creator A5051904596 @default.
- W2945863457 date "2019-05-20" @default.
- W2945863457 modified "2023-10-14" @default.
- W2945863457 title "Mechanisms of natural killer cell-mediated cellular cytotoxicity" @default.
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