CXCR4 and neoplasm: In contrast, the proportion of CD206 was significantly upregulated in the tumor tissues of mice in the oe‐CXCR4 group; compared to the oe‐NC+M2pep‐Cs NPs/Plerixafor group, the proportion of CD206 was significantly upregulated in the tumor tissues of mice in the oe‐CXCR4+M2pep‐Cs NPs/Plerixafor group (Figure 8B).