Article 5 Humans 5 gene expression genetics human 5 controlled study 4 transforming growth factor beta 4 Female 3 enzyme linked immunosorbent assay 3 female 3 gene expression regulation 3 major clinical study 3 metabolism 3 pathology 3 Case-Control Studies 2 Cell Proliferation 2 Epithelial Cells 2 Gene Expression Regulation, Neoplastic 2 HBEC cell line (bronchial epithelium) 2 MicroRNAs 2 Middle Aged 2 RNA sequence 2 TGF beta signaling 2 TGF-β 2 Transforming Growth Factor beta 2 Western blotting 2 adult 2 airway remodeling 2 blood 2 carcinogenesis 2