TGFB1 and acute kidney injury: The specific molecular mechanism of the Hippo signaling pathway in AKI-induced renal tubular epithelial cell apoptosis, regeneration, EMT, and interstitial fibrosis as well as its interaction with the Wnt/β-catenin and TGF-β/Smad signaling pathways need further elucidation (Shan, 2021).