The chemokine receptor CXCR3, another dNK marker, is expressed in TI-NKs of colorectal cancer, breast cancer, melanoma, and glioblastoma (42, 49, 67–69), while CXCR4 in NK is upregulated in neuroblastoma and prostate cancer (42, 71). The gene discussed is CXCR4; the disease is Familial prostate cancer.