Intravenous administration of CIP‐12, but not CIP‐12 Mut, reduced the volume, weight, downstream gene expression, Ki‐67 levels, CD31‐positive microvessels, NOR dot number and M2 macrophage accumulation of BE(2)‐C‐formed subcutaneous tumours (Figures 8H,I and S10A). Here, PECAM1 is linked to neoplasm.