Down-regulation of PRMT5 enhances lung cancer cell apoptosis induced by
resveratrol.
A549 and ASCT-a-1cells were infected with lentivirus containing scramble-shRNA
(Scr-shRNA), PRMT5-shRNA1 or shRNA2, and then the cells were selected with puromycin.
The stable knockdown cells were treated with or without resveratrol (100 μM) for 24 h,
and the indicated experiments were performed. (A) mRNA expression of PRMT5 was
detected by qRT-PCR. *p < 0.05 vs. Scr. (B) PRMT5 protein
expression level was determined by immunoblotting. Representative pictures are shown.
(C) PRMT5 protein expression level was quantified in A549 cells. *p
< 0.05 vs. Scr. (D–F). Similar results were observed from ASTC-a-1 cells.
*p < 0.05 vs. Scr. (G) Cleaved caspase 3 and PARP were detected
by immunoblotting in A549 and ASTC-a-1 cells upon different treatments. Representative
pictures are shown. *p < 0.05 vs. Scr. (H) Quantitative analysis
of cleaved caspase 3 and cleaved PARP in A549 and ASTC-a-1 cells. *p
< 0.05 vs. Scr.