After transfection of aqp3shRNA, stable cell lines were harvested for quantitative RT-PCR and Western blot analysis. After

transfection of lentiviral vector encoding AQP3, cells were collected for quantitative RT-PCR and Western blot analysis too. AQP3 mRNA and protein were www.selleckchem.com/products/CX-6258.html expressed in SGC7901 cells. After RNAi, both AQP3 mRNA and protein expression decreased significantly. After transfection of lentiviral vector encoding AQP3, both AQP3 mRNA and protein expression increased obviously. (Figure 1) Figure 1 The expression level of AQP3 in SGC7901 in real-time PCR and Western blot studies. AQP3 mRNA and protein were expressed in SGC7901 cells. After RNAi, both AQP3 mRNA and protein expression decreased significantly. After transfection of lentivector encoding AQP3, both AQP3 mRNA and protein expression levels were increased obviously. The expression levels of different cells were further SYN-117 normalized to that of BLANK group, making the relative expression level of BLANK group as 100%. AQP3 silence down-regulated MMPs expression in SGC7901 mTOR target cells The levels of MT1-MMP, MMP-2, and MMP-9 protein expression were detected by Western blot analysis. A significant decrease

in MT1-MMP, MMP-2, and MMP-9 expression was observed in AQP3 knockdown group compared with control group. (Figure 2) Figure 2 AQP3 regulated MMPs expression in SGC7901 cells. AQP3 silence down-regulated MMPs expression in SGC7901 cells. AQP3 regulated MMPs expression in SGC7901 cells. AQP3 silence down-regulated MMPs expression in SGC7901 cells. A significant decrease in MT1-MMP, MMP-2, MMP-9 expression was observed in AQP3 knockdown group compared with control group.* p < 0.05 BLANK control SGC7901 cells NC cells treated with scrambled shRNA aqp3shRNA cells treated with aqp3shRNA AQP3 over-expression up-regulated MMPs expression in SGC7901 cells The levels of MT1-MMP, MMP-2, and ADP ribosylation factor MMP-9 protein expression were detected by

Western blot analysis. A significant increase in MT1-MMP, MMP-2, and MMP-9 expression was observed in AQP3 over-expression group compared with control group. (Figure 3) Figure 3 AQP3 regulated MMPs expression in SGC7901 cells. AQP3 over-expression up-regulated MMPs expression in SGC7901 cells. A significant increase in MT1-MMP, MMP-2, MMP-9 expression was observed in AQP3 over-expression group compared with control group.* p < 0.05 BLANK control SGC7901 cells NC cells treated with scrambled shRNA LV-AQP3 cells treated with lentiviral vector encoding AQP3 AQP3 silence blocked PI3K/AKT pathway in SGC7901 cells To determine whether the PI3K/AKT pathway was involved in the AQP3 silence down-regulated MMPs expression SGC7901 cells, we first compared levels of phosphorylated and total AKT in SGC7901 cells treated with AQP3 interference by using Western blot. AQP3 silence led to a significant decrease in phosphorylation of ser473 in AKT.