AKT1 and neoplasm: Circ_0067934 promotes tumor progression by competitively binding to various miRNAs (miR-545 [38, 65, 109], miR-1304 [30, 63], miR-1301-3p [70], miR-1182 [78], miR-7 [81], miR-1324 [32, 69]); other mechanisms include inhibiting the Wnt/β –catenin [78] and PI3K/AKT [71, 82] signaling pathways.