IL17A and experimental autoimmune encephalomyelitis: Interestingly, in the mouse experimental autoimmune encephalomyelitis (EAE) model of multiple sclerosis, it was recently demonstrated that the susceptibility to the induction of central nervous system inflammation in IL-17A/F-deficient mice was dependent on the impact that IL-17A exerts on the composition of the gut microbiota (Regen et al. 2021).