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A. Stable SW620 cells transfected NNT-AS1-specific siRNA vector and control vector were injected subcutaneously into five nude mice respectively. B. The tumor volumes were measured (*P<0.01). C. Liver metastasis images. D. Liver metastatic nodules in individual mouse (*P<0.01). E. The histological images of metastatic nodules in livers. Date were presented as mean±SD.
