IL6 and prostate carcinoma: Both prostate cancer cell lines (PC-3 and DU-145) were examined for IL-6 secretion as a response to immune attack (innate and adaptive) it was found that both cell lines produced significant IL-6 amounts as a response to immune attack after 48 h as assessed by qRT-PCR (p = 0.0046 and p = 0,0039 respectively students t test, n = 3) (Fig. 3f).