Despite no changes observed in PPAR-α and PPAR-β expression after SP treatments when U-87 GBM cells were treated for 24 h with SP at higher concentrations of 50 and 100 mM, we observed that the expression levels of PPAR-γ were increased compared to the untreated cells (Figure 4C,C1). The gene discussed is PPARG; the disease is glioblastoma.