Fig 1: Validation of hub genes in IPF cell models by western blot. (a) Construction of TGF-ß1-induced IPF cell models. (b, c) Assessment of the expression of a-SMA, fibronectin, and Col I proteins in IPF cells. (d, e) Validation of the expression of GABARAPL1, SGTA, ARRB1, GPX8, and VCAM1 in IPF cells. ****p < 0.0001.