TGFB1 and renal fibrosis: It upregulated SREBP‐1a, SREBP‐1c, SREBP‐2, VEGF, TGF‐β1, and PPAR‐α expression in DKD experimental animals, resulting in the amelioration of abnormal glucose and lipid metabolism and thus alleviating the progression of renal fibrosis (Hu et al. 2021).