MTOR and melanoma: The treatment of melanoma cells with mTOR inhibitor everolimus (20 nM to 10 μM concentrations) gave promising results, similar to those regarding the effect of this inhibitor on the cell cycle, proliferation, and invasiveness (Ciołczyk-Wierzbicka and Laidler 2018; Ciołczyk-Wierzbicka et al. 2018).