MBD2 and pulmonary fibrosis: Jianghui and Wang et al. [46, 47] ascertained that MBD2 was highly expressed in M2 macrophages in the bronchoalveolar lavage fluid from lungs affected by different types of pulmonary fibrosis, including COVID-19, SSC-ILD, and IPF, and in murine models of pulmonary fibrosis that were established using bleomycin (BLM).