Figure 1.
Flow chart of the study. GEO: Gene Expression Omnibus, PD: Parkinson's disease, DM: diabetes mellitus, T2DM: type 2 diabetes mellitus, DEGs: differentially expressed genes, PPI: protein-protein interaction, TF: transcription factor, SREBP: sterol regulatory element binding protein, PPARα: peroxisome proliferator activated receptor alpha, SP1: Sp1 transcription factor.