Let‐7 mediated airway remodelling in chronic obstructive pulmonary disease via the regulation of IL‐6

Background Myofibroblast differentiation and extracellular matrix (ECM) deposition are observed in chronic obstructive pulmonary disease (COPD). However, the mechanisms of regulation of myofibroblast differentiation remain unclear. Materials and methods We detected let‐7 levels in peripheral lung tissues, serum and primary bronchial epithelial cells of COPD patients and cigarette smoke (CS)‐exposed mice. IL‐6 mRNA was explored in lung tissues of...