TGFB1 and lung adenocarcinoma: Finally, the correlation of ALDH1B1 with molecules involved in CSC-related pathways (Wnt, Notch, PI3K/Akt, Hedgehog, retinoic acid, Hippo, NF-κΒ, TGF-β, glycolysis/gluconeogenesis) was confirmed by analyzing lung adenocarcinoma clinical specimens obtained by TCGA.