Another study also discovered three lncRNAs in peripheral blood mononuclear cells (PBMC) samples of CAD patients, in which the KCNQ1OT1, HIF1A-AS2, and apolipoprotein A-1 antisense RNA (APOA1-AS) lncRNAs were higher in CAD patients [178]. Here, KCNQ1OT1 is linked to coronary artery disorder.