{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nWhile none of the provided abstracts mention MIR124-1HG directly, the studies collectively highlight functional themes common to long non-coding RNAs (lncRNAs) in vascular and pulmonary as well as bone pathologies. In one study investigating atherosclerosis, the lncRNA RNCR3 was shown to be upregulated in endothelial and vascular smooth muscle cells exposed to ox-LDL. RNCR3 acted as a competing endogenous RNA (ceRNA) to modulate the Kruppel-like factor 2/miR-185-5p axis, ultimately promoting cell proliferation and migration while inhibiting apoptosis, thereby exerting an atheroprotective effect."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nIn two other studies focused on pulmonary edema and steroid-induced osteonecrosis of the femoral head, polymorphisms in lncRNAs (LINC-PINT and LINC00599) were assessed for disease susceptibility. Although the exact mechanisms remain to be fully elucidated, these lncRNAs are implicated in processes that may affect cell viability and inflammatory responses in disease contexts."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "2"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nA fourth study on chronic obstructive pulmonary disease (COPD) demonstrated that LINC00599 is induced by cigarette smoke extract in bronchial epithelial cells, where it promotes apoptosis and inflammatory responses via the miR-212-5p/BASP1 axis. This finding underscores a role for lncRNAs in mediating environmental stress responses and regulating airway cell function."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "4"}]}, {"type": "t", "text": "\n"}]}, {"type": "t", "text": "\n\n"}, {"type": "p", "children": [{"type": "t", "text": "\nDrawing parallels from these functional examples, it is plausible that MIR124-1HG—being a host gene for miR-124 and a member of the lncRNA family—may similarly serve as a regulatory hub. Like RNCR3, MIR124-1HG could participate in ceRNA networks or modulate specific miRNA activities to influence cell survival, proliferation, apoptosis, and inflammation. Such mechanisms would be consistent with the lncRNA-mediated regulation observed across vascular, pulmonary, and bone disease models, suggesting that MIR124-1HG might contribute to cellular homeostasis and pathological responses via intricate post-transcriptional regulatory circuits.\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "K Shan, Q Jiang, X-Q Wang, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Role of long non-coding RNA-RNCR3 in atherosclerosis-related vascular dysfunction."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Cell Death Dis (2016)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1038/cddis.2016.145"}], "href": "https://doi.org/10.1038/cddis.2016.145"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "27253412"}], "href": "https://pubmed.ncbi.nlm.nih.gov/27253412"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Xue He, Jianwen Zheng, Yongjun He, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Long Non-coding RNA LINC-PINT and LINC00599 Polymorphisms are Associated With High-altitude Pulmonary Edema in Chinese."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Arch Bronconeumol (Engl Ed) (2020)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1016/j.arbres.2019.09.021"}], "href": "https://doi.org/10.1016/j.arbres.2019.09.021"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "31761491"}], "href": "https://pubmed.ncbi.nlm.nih.gov/31761491"}]}, {"type": "r", "ref": 3, "children": [{"type": "t", "text": "Menghu Sun, Yuju Cao, Tiantian Wang, et al. "}, {"type": "b", "children": [{"type": "t", "text": "Association between LINC-PINT and LINC00599 gene polymorphism and the risk of steroid-induced osteonecrosis of the femoral head in the population of northern China."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Steroids (2021)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1016/j.steroids.2021.108886"}], "href": "https://doi.org/10.1016/j.steroids.2021.108886"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "34245766"}], "href": "https://pubmed.ncbi.nlm.nih.gov/34245766"}]}, {"type": "r", "ref": 4, "children": [{"type": "t", "text": "Liyun Xu, Zhiyi Dong "}, {"type": "b", "children": [{"type": "t", "text": "LINC00599 influences smoke-related chronic obstructive pulmonary disease and regulates CSE-induced epithelial cell apoptosis and inflammation by targeting miR-212-5p/BASP1 axis."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Hum Exp Toxicol (2022)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1177/09603271221146790"}], "href": "https://doi.org/10.1177/09603271221146790"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "36541900"}], "href": "https://pubmed.ncbi.nlm.nih.gov/36541900"}]}]}]}