IGSF9 is induced by IFNγ. (A) Mouse bone marrow cells are differentiated into macrophages. (B) Mouse IGSF9 expression is assessed in bone marrow cells, M0, M1, and M2 macrophages. (C-F) IFN-γ induces the expression of IGSF9 and PD-L1 in THP-1 and MV4-11 cells. APC, allophycocyanin; BMNC, bone marrow mononuclear cells.