CXCR4 and neoplasm: The tumor volume of mice in the CXCR4-Kd#2/OVCA420 group treated with PTX (Figure 6B, lower panel) was markedly reduced at days 13, 16 and 19 compared with mice in the Scramble-Kd/OVCA420 group treated with PTX (Figure 6B, upper panel).