This study aimed to investigate the role of methylation of MALAT1 and miR-146a in the pathogenesis of chronic obstructive pulmonary disease (COPD). COPD patients were grouped according to their methylation status of MALAT1 and miR-146a promoters. and we found that forced vital capacity. volume that has been exhaled at the end of the first second of forced expiration. https://www.chiggate.com/aptamil-allerpro-syneo-2-900g-online-now/