Although KCNQ1OT1 has been reported to be up‐regulated in in vitro matured (IVM) mouse offspring,55 to the best of our knowledge, this is the first study reporting that HCG18 and KCNQ1OT1 act as ceRNA regulators in the pathogenesis of AD. The gene discussed is KCNQ1OT1; the disease is Alzheimer disease.