Their findings demonstrated increased DNA methylation levels in the promoter regions of key genes, such as transforming growth factor beta receptor 1 (TGFBR1) and cyclic adenylate response element binding protein 1 (CREB1), indicating a potential role for DNA methylation in the pathogenesis of BPD (105). The gene discussed is TGFBR1; the disease is bronchopulmonary dysplasia.