Altered DNA methylation is associated with aberrant gene expression in parenchymal but not airway fibroblasts isolated from individuals with COPD

Rachel L Clifford, Nick Fishbane, Jamie Patel, Julia L MacIsaac, Lisa M McEwen, Andrew J Fisher, Corry-Anke Brandsma, Parameswaran Nair, Michael S Kobor, Tillie-Louise Hackett & Alan J Knox
Background: Chronic obstructive pulmonary disease (COPD) is a heterogeneous disease of the lungs that is currently the fourth leading cause of death worldwide. Genetic factors account for only a small amount of COPD risk, but epigenetic mechanisms, including DNA methylation, have the potential to mediate the interactions between an individual’s genetics and environmental exposure. DNA methylation is highly cell type-specific, and individual cell type studies of DNA methylation in COPD are sparse. Fibroblasts are present...
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