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Role of miR-21 and RAS p21 GTPase activating protein 1 in cell invasion was detected by Transwell assays. Down-regulation of miR-21 or up-regulation of RASA1 inhibited cell invasion. n = 3, aP < 0.01 vs control. RASA1: RAS p21 GTPase activating protein 1; NC: Non-coding; LV: Lentivirus.
