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. 2019 May 9;2019:3685817. doi: 10.1155/2019/3685817

Figure 4.

Figure 4

The correlation between BLM expression and phosphorylation of Akt1 and PRAS40. (a) BLM/β-actin expression in BPH-1 and PC-3 cells. BLM expression was lower in BPH-1 cells than in PC-3 cells. (b) Quantification of phosphorylated signaling proteins in PC-3 and BPH-1 cells. The levels of phosphorylated AKT (Ser473), p70 S6 kinase, and PRAS40 (Thr246) were lower in BPH-1 than in PC-3 cells. (c) BLM helicase, pAKT, and pPRAS40 expression in PC-3 cells was assessed by western blot and WES analysis. (d) Cells displayed significantly reduced BLM expression, as well as decreased levels of pAKT (Ser473) and pPRAS40 (Thr246). BLM expression values were normalized to β-actin, while pAKT and pPRAS40 (Thr246) expression values were normalized to total AKT1 and total PRAS40 expression, respectively. BLM expression was positively correlated with pAKT (P < 0.01) and pPRAS40 levels (P < 0.05). (e) Intracellular ROS levels were higher in BLM KO PC-3 cells as well as those treated with shRNA1 and shRNA2 as compared to those of PC-3 cells (mean ± SD; ∗ P < 0.05 and ∗∗ P < 0.01).