{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\n The study by [PubMed ID"}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": "] investigated a coronary artery disease (CAD) risk locus in which a non‐coding regulatory variant in strong linkage with an established GWAS signal was shown to disrupt a conserved FOXO3 binding site. This disruption led to reduced transcriptional activation of LMOD1—a gene critical for maintaining the differentiated, contractile phenotype of vascular smooth muscle cells (SMCs). Loss of LMOD1 expression was further linked to increased SMC proliferation and migration as well as decreased contractility, all features that contribute to the pathogenesis of atherosclerosis and CAD.\n "}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n Although the abstract does not directly mention or characterize IPO9‑AS1, the findings imply that this locus harbors complex regulatory architecture. As such, it remains possible that IPO9‑AS1, if present in this region, may function as a long noncoding RNA involved in fine-tuning the transcriptional programs that regulate vascular SMC phenotype and, by extension, CAD risk. Further studies will be necessary to determine whether IPO9‑AS1 contributes to these regulatory networks or modulates the expression/function of nearby genes such as LMOD1.\n "}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Vivek Nanda, Ting Wang, Milos Pjanic, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Functional regulatory mechanism of smooth muscle cell-restricted LMOD1 coronary artery disease locus."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "PLoS Genet (2018)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1371/journal.pgen.1007755"}], "href": "https://doi.org/10.1371/journal.pgen.1007755"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "30444878"}], "href": "https://pubmed.ncbi.nlm.nih.gov/30444878"}]}]}]}