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TGF-β target regulation by miR-21 in Hela cells. Semi-quantitative RT-PCR analysis for TGF-β in Hela cells transiently transfected with miR-21, miR-21 antagonist or miR-21 scambled antagonist. Values are shown as mean ± SEM for 3 independent experiments. Statistical analysis was performed using the Student's t-test (p < 0.05 and 0.04 for Hela transfected with mir-21 and Hela miR-21 antagonist, respectively)
