Many studies have shown that the pathogenesis of endometriosis may be related to m6A, and some of these regulators, including METTL3, YTHDF2, YTHDF3, HNRNPC, HNRNPA2B1, and FTO, are significantly dysregulated in the ectopic endometrium (150). The gene discussed is HNRNPC; the disease is endometriosis.