METTL3 and glioblastoma: Considering the importance of m6A machinery in cell proliferation, we analyzed ADAR1 fluctuations and function upon METTL3 knockdown by using two different lentiviral vectors expressing doxycycline (dox)-inducible shRNA against METTL3 (shMETTL3 3–1 and shMETTL3 3–2) in two glioblastoma cell lines (U87MG and U118MG).