miR-34c-5p, miR-375, and miR-449c-5p are consistently downregulated, whereas miR-205-5p, miR-92a-3p, miR-193b-3p, and miR-27a-5p are upregulated, and their predicted targets include cell-cycle regulators (p53, CCND1, CDK6), pro-survival mediators (MET, BCL2), and extracellular matrix remodelers (MMP1/3, PLAU)
This process is mediated by secretion of protons through the V-ATPase and chloride through the chloride antiporter ClC-7
Thus, activation of AMPK modulates the miR-206/HDAC4/cyclin D1 signaling pathway, chiefly targeting HDAC4, to suppress airway smooth muscle cell proliferation and, therefore, has potential value in the prevention and treatment of asthma by alleviating airway remodeling
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