CBLN1 and autoimmune thrombocytopenic purpura: Among them, the top ten metabolites ranked by VIP values were DG [17:1(9Z)/18:3(9Z,12Z,15Z)/0:0], 1-(2-methoxy-13-methyl-6Z-tetradecenyl)-sn-glycero-3-phosphoethanolamine, adynerin, 2R-hydroxy-oleic acid, 15-oxo-octadecanoic acid, DG [14:1(9Z)/22:6(4Z,7Z,10Z,13Z,16Z,19Z)/0:0], Cer (d18:1/17:0), PC [17:2(9Z,12Z)/0:0], DG [16:0/20:4(5Z,8Z,11Z,14Z)/0:0], and PE (16:0/0:0), indicating their great contributions to discriminating ITP patients and HCs in the OPLS-DA model.