CD274 and melanoma: In our ELISpot assays, we showed that neither hsa‐miR‐320a‐3p‐ nor hsa‐miR‐200c‐3p‐transfected melanoma cells led to an increased T cell IFNγ secretion, suggesting that a possible PD‐L1 downregulation is probably not the cause of the increased cytotoxicity.