IL17F and colitis: Nevertheless, treatment of IL-17F neutralizing antibody did not show ameliorative effect on colitis of Rag1−/−Smarca4ΔILC3 mice, as was indicated by similar intestinal pathology revealed by H&E staining, similar histology scores, and comparable infiltration of neutrophils in Rag1−/−Smarca4ΔILC3 mice treated with or without α-IL-17F (Fig. S7d–g).