The levels of IL-23, IL-17β, Galectin-7, LAP/TGF β1, PDGF-αβ, ANG-1, E-cadherin were decreased in ITP patients at disease onset, and increased at disease remission, or stayed low if disease didn’t remit (Figure 1A–G). Here, IL17B is linked to autoimmune thrombocytopenic purpura.