When B16 melanomas were later, after the reconstitution of the hematopoietic system from the BM transplant, implanted to mice, no differences in tumor growth were observed between the two groups, regardless of whether the hosts had received a wt (n = 14) or a kit deficient BM transplant (n = 13; p>0.1; Figure S5). This evidence concerns the gene KIT and neoplasm.