CCL5 and melanoma: By means of scRNA-seq, plasmablast-like TIL-Bs from patients suffering from melanoma and ovarian cancer demonstrated increased expression of transcripts encoding IFNγ and chemokines that draw T cells, macrophages, and natural killer cells (like CCL5, CCL4, and CCL3) in comparison to other TIL-B subsets, and were in fact linked to increased T cell infiltration (151, 152).