SOX2 and glioblastoma: 3.6. Inhibition of NF-κB Decreased ALDH1A3 Expression of EGFRvIII (+) Cells, Reversed the Enhanced Cell Migration Ability, Decreased the Expression of PN GBM Marker (SOX2), Increased the Expression of MES GBM Marker (CD44), and Increased the IC50 of TMZ Caused by EGFRvIII (+)