EIF4A3-Mediated circ_0042881 Activates the RAS Pathway via miR-217/SOS1 Axis to Facilitate Breast Cancer Progression

The authors investigated the clinical implications and underlying mechanisms of circ_0042881 in breast cancer (BC). Functionally, circ_0042881 significantly accelerated the proliferation, migration, and invasion of BC cells in vitro and tumor growth and metastasis in vivo.