SOX2 and Parkinson disease: To explore the mechanism of lncRNA SOX2-OT in PD, the SH-SY5Y cells were transfected with control siRNA, SOX2-OT siRNA, SOX2-OT siRNA + inhibitor control, or SOX2-OT siRNA + miR-942-5p inhibitor for 48 h, and then treated with 1 mM MPP+ for 24 h.