In glioblastoma cells, an increase in the expression of SELENOF and SELENOT was also observed more than threefold, and in cells MCF-7, a significant increase in the expression of DIO2 mRNA was observed upon treatment of cells with 5 μg/mL SeNP, while 1 μg/mL SeNP, on the contrary, reduced the expression of mRNA of this selenoprotein (Figure 8d). Here, SELENOS is linked to glioblastoma.