PVT1 and chronic obstructive pulmonary disease: Considering the studies involving large samples of COPD patients compared with control groups, ncRNAs, including circ_00089763, circ_0008882, lncR-PVt1, lncR-MALAT1, miR-126, miR-221-3p, and miR-92a-3p, have been described as excellent inflammatory biomarkers that can establish the presence of COPD [27,31,32,50,57].