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Real-time RT-PCR analysis of the expression of CXCL12 in advanced cervical cancer before and after a dose of radiotherapy. Expression of CXCL12 mRNA was measured with quantitative real-time PCR and normalized to b-actin mRNA expression. A significant increasing expression of CXCL12 mRNA was observed in residual cervical cancer. ** p<0.01 compared to tumor tissues before radiation therapy.
