Retraction: Matteucci, E., et al. Microenvironment Stimuli HGF and Hypoxia Differently Affected miR-125b and Ets-1 Function with Opposite Effects on the Invasiveness of Bone Metastatic Cells: A Comparison with Breast Carcinoma Cells. Int. J. Mol. Sci. 2018, 19, 258. This evidence concerns the gene HGF and breast carcinoma.