IL17A and autoimmune thrombocytopenic purpura: A higher percentage of Th17 cells along with elevated levels of IL-23 and IL-17A in ITP patients compared to healthy controls, as well as the significant positive correlation of IL-23 levels with IL-17A levels and Th17 cells percentage plus its significant negative correlation with platelet count suggest that IL-23 may be involved in the pathogenesis of ITP.