For instance, METTL3 inhibited inflammation in response to lipopolysaccharides (LPS) by MAPK and NF‐κB pathways in human dental pulp cells (HDPCs)32; m6A attenuated inflammation of rheumatoid arthritis (RA) through the NF‐κB signalling pathway.33 Here, METTL3 is linked to rheumatoid arthritis.