TGFB1 and pulmonary fibrosis: Interestingly, we observed an inconsistency in the expression of TGF-β and IL-10 in the lungs of BLM-induced pulmonary fibrosis mice, wherein TGF-β was significantly upregulated and was accompanied by a notable decrease in IL-10 expression (Figures 9D, E), corroborating findings in the literature (53–56).