BDNF and non-small cell lung carcinoma: In NSCLC, miR-199a-3p/5p, regulates mTOR signaling promoting cell migration and invasion (Liu et al., 2022; Song et al., 2022), and miR-107 and miR-595, control the metastasis and cell proliferation modulating the brain-derived neurotrophic factor (BDNF) expression and E2F7 axis (Bai et al., 2020; Hong et al., 2020).