Other scientists then observed downregulated mRNA expression of m6A regulators, including METTL3, METTL14, WTAP, FTO, ALKBH5 and YTHDF2, in patients with SLE (Luo et al., 2020b; Luo et al., 2020c). Here, YTHDF2 is linked to systemic lupus erythematosus.