Interestingly, as in the cultured CRC cells in which the overexpression of KITENIN resulted in a reduced expression of KAI1 and vice versa,18 the decreased expression of KAI1 in the metastatic liver nodules collected from the control group was restored in samples from the KDIP‐injected group with the degradation of KITENIN (Figure 7D). The gene discussed is CD82; the disease is colorectal carcinoma.