By RT-qPCR, we revalidated the expression of CXCLs (CXCL2, CXCL3, CXCL5, CXCL10) in MB49 YAP1-Sh clones and tumor tissues from VP-treated mice bearing UCB cell–derived xenografts (Figure 5H and Supplemental Figure 4D). This evidence concerns the gene CXCL2 and neoplasm.