FGF10 and idiopathic interstitial pneumonia: For instance, FGF-10 is essential for the survival and proliferation of epithelial stem cell like DASCs (Zuo et al., 2015; Shi et al., 2019), and it can also promote alveologenesis after lung injury (Yuan et al., 2019), while the level of FGF-10 is declined in progressive IPF patients (Chanda et al., 2016).