CCL27 and autoimmune thrombocytopenic purpura: Results of the Quantibody® array showed that BM levels of CCL27, osteopontin (OPN), and CCL18 from ITP patients were significantly higher than from HCs (CCL27: 3218.39 vs. 1190.38, P = 0.041; OPN: 8175.97 vs. 2293.69, P = 0.016; CCL18: 807.64 vs. 628.95, P = 0.039; Figure 7).