miR-411-5p is downregulated in breast cancer tissues and cell lines.
miR-411-5p inhibits breast cancer cells growth, migration and invasion in vitro.
GRB2 is a direct target of miR-411-5p in breast cancer.
GRB2 is overexpressed in breast cancer and associates with disease outcome.
miR-411-5p suppresses breast cancer progression though GRB2-SOS-Ras pathway.