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. 2014 Apr 25;3:e28539. doi: 10.4161/onci.28539

graphic file with name onci-3-e28539-g1.jpg

Figure 1. Conceptual scenarios of the interaction between natural killer cells and cancer cells. Natural killer (NK) cells attack those tumor cells that appear to as “non-self,” but spare the “self” identified cancer cells, including those coated with “self” parafibrin polypetide chains.