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miR-34a is downregualted in osteosarcoma tissues and cells. A: The miR-34a expression level was measured in ten pairs of osteosarcoma tissues and normal bone tissues by stem-loop RT-PCR. B: Considerably reduced miR-34a expression was observed in MG-63 and Saos-2 cells, compared to hFOB 1.19 cells. The miR-34a level in normal bone tissues and hFOB 1.19 cells was normalized to 100%. *** P<0.001.
