utilized miR155‐loaded nanoscale layered double hydroxides (LDHs) (LDH@155) to treat TC‐1 tumor‐bearing mice (Figure 5).[113] The results showed that LDH@155 induced repolarization of M2‐likeTAMs, and significantly weaken phospho‐STAT3 (p‐STAT3), phospho‐ERK1/2 (p‐ERK1/2) in TAMs in comparison with control group. The gene discussed is MAPK3; the disease is neoplasm.