CD8A and autoimmune thrombocytopenic purpura: In other words, antiplatelet glycoprotein antibodies did not affect the expression of NKG7 and CD107a or the proportion of CD8+ T cell-mediated platelet apoptosis (total ITP group: N = 43, NKG7 high-expression group: n = 27, NKG7 low-expression group: n = 16).