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. 2015 Mar 2;208(5):613–627. doi: 10.1083/jcb.201408026

Figure 4.

Figure 4.

RSK regulates hnRNP K localization as well as the expression of CXCR3 ligands. (A) Immunostaining of hnRNP K (green) and K17 (red) in A431 cells transfected with RSK or NS siRNA. Nuclei are shown in blue. Bars, 10 µm. (B) A431 cells pretreated with 2.5 µM BI-D 1870 or DMSO as a control for 2 h were treated with 200 nM TPA or DMSO (vehicle control) for 1.5 h. mRNA levels of the indicated genes were measured using qRT-PCR. Data from three experimental repeats were normalized to DMSO control and are represented as mean ± SEM (error bars). *, P < 0.05. (C and D) A431 cells transiently transfected with RSK or NS siRNA were treated with 200 nM TPA or DMSO (vehicle control) for 1.5 h (C) or grown in normal growth condition (D). mRNA levels of the indicated genes were measured using qRT-PCR. Data from three experimental repeats were normalized to DMSO control and are represented as mean ± SEM. *, P < 0.05. (D) mRNA levels for the indicated genes from A431 cells transiently transfected with RSK or NS siRNA under basal condition were measured using qRT-PCR. Data from three experimental repeats (n = 6) were normalized to NS siRNA control and are represented as mean ± SEM. *, P < 0.05.