IL-4 inhibits the TNF-alpha induced proliferation of renal cell carcinoma (RCC) and cooperates with TNF-alpha to induce apoptotic and cytokine responses by RCC: implications for antitumor immune responses. Posted byadmin 28. July 2020 Falkensammer C, Jöhrer K, Gander H, Ramoner R, Putz T, Rahm A, Greil R, Bartsch G, Thurnher M. http://www.ncbi.nlm.nih.gov/pubmed/16810557