Model of apoptosis induced by granulysin or granzyme B. Recombinant 9-kDa granulysin (left panel), cytotoxic cell-deliveredgranulysin (middle panel), or cytotoxic cell-delivered granzyme B (right panel) activating different apoptotic pathways. This figure was redrawn with only slight modification based upon a figure which was kindly provided by Drs. Clayberger and Krensky [36], with permission from The Journal of Immunology. Copyright 2011. The American Association of Immunologists, Inc.