Get Natural Killer Cells And Cytotoxic T Cells Difference US. The existence of the discrete in addition, the mechanism of nk lysis is not yet clearly defined, but seems to involve cytotoxic molecules present in cytoplasmic granules that are released. Natural killer cells, as their name suggests, are the prime example of cytotoxic cells.
The key difference between t helper cells and cytotoxic cells is that helper t cells are involved in coordination of the immune response against the pathogen with b cells and other t cells.
There are two types of natural killer (nk) cells the difference in short would be that they are activated by different signals, though some are the same, they both use cytotoxic granulas to kill. This include bacterial or virus particles or virus infected cells. However they belong to different systems within the immune system. Natural killer (nk) cells selectively lyse cells without requiring prior activation.