TGFB1 and pulmonary fibrosis: Marcia Rodrigues et al.’ s research shows that Asorbicacid can treat pulmonary fibrosis caused by paraquat poisoning, and the results of animal experiments show that Asorbic acid mainly treats pulmonary fibrosis by reducing the number of macrophages, neutrophils and lymphocytes in fibrotic mice, reducing the levels of IL-6, TGF-β and IL-17 and increasing the activity of antioxidant enzymes in lung homogenate (Rodrigues da Silva et al., 2018).