HLA-DPB1 and ovarian cancer: Third, a number of the IFN signaling-associated genes of signature B are expressed at high levels (TPM > 10) selectively in TAMs compared to tumor cells or tumor-associated CD3+ lymphocytes (TATs) isolated from ovarian cancer ascites, as exemplified by HLA-DRA, HLA-DPB1 and KYNU in Fig. 5g).