IL17A and immune system disorder: The discovery of this new IL-23/IL-17 pathway was a major breakthroughin the immunopathogenesis of IBD and the exact role of this axis needs to befurther defined [41, 42].Investigation of the effect of helminth infections on the IL-23/IL-17 pathway mayuncover additional immunological pathways by which helminths can provide protectionagainst immune disorders.