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Silencing of CXCR2 and CXCR7 to TE-1cells activates ERK1/2 pathways. A. pERK1/total ERK1 protein level after transfection with siRNA; B. pERK2/total ERK2 protein level after transfection with siRNA; C. Relative expression level of MMP-9 after transfection with siRNA; D. The photo of Western blotting. SiRNA, small interfering RNAs; CXCR, chemotaxis cytokine receptor; NS, nonspecific; MMP, matrix metalloproteinases. *P < 0.05 compared with control group and NS siRNA group.
