Meanwhile, of all the cytokines evaluated in the F3II tumor lysates, IL-6 was the only one that showed a significant decrease in tumor lysates in the groups treated with 12.5 mg/kg (p < 0.001) and 25 mg/kg (p < 0.05) of H. junceus scorpion venom (Figure 4B). This evidence concerns the gene IL6 and neoplasm.