COL6A1 and neoplasm: In addition, we observed enhancement of not only CD8+ T cell infiltration but also DC infiltration (Fig. 5H, I) and upregulation of CXCL9, CXCL10, GZMA, GZMB, and IFN-γ in Col6a1−/− tumor tissues compared with WT MCA205 tumor tissues (Fig. 5J, K).