Four of the selected antibodies (CD244, SH2D1A; RAC1 and RAF1; Table 2) showed no staining even with tissues used as positive controls. Furthermore, double staining with antibodies against CD68 or CD8 together with HCST, TYROBP, PTK2B or PLCG2 revealed that CD68 and CD8 positive cells expressed proteins of the NK-pathway Continue Reading