IL17A and myeloid sarcoma: Other studies have shown that Th17 lymphocytes were also one of the main inflammatory cells involved in the pathogenesis of MS and EAE mice (Waisman et al., 2015; Liu et al., 2019), and the secretion of IL-17 could promote astrocytes to produce IL-6 and aggravate the inflammatory infiltration of EAE mice (Shan et al., 2017).