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CXCR4 siRNA inhibited xenografts tumor tissue CXCR4 mRNA expression effectively in vivo. In nude mice esophageal carcinoma cell xenografts model, xenografts tumor tissue CXCR4 mRNA expression was quantified by real time PCR. CXCR4 siRNA inhibited xenografts tumor tissue CXCR4 mRNA expression in vivo (*p <0.05).
