TGFB1 and idiopathic pulmonary fibrosis: Although molecular mechanisms underlying IPF pathogenesis remain elusive, an aberrant recapitulation of developmental lung gene expression, including genes for transforming growth factor (TGF)‐β and WNT, has been widely implicated in the abnormal wound healing process that follows repetitive alveolar epithelial injury (Chanda et al., 2019; Chilosi et al., 2012).