METTL3-dependent m⁶A maturation of miR-140-3p contributes to hippocampal neuronal apoptosis through the OTX2/Wnt/β-catenin axis under chronic stress - Yuanxiang Zhang; Xin Du; Mengxue Fu; Haitao Hu; Juan Lu; Tongshuai Pan; Lili Yuan; Yigao Wu; Jiucui Tong (Molecular Biology Reports, 2026)