LncRNA MIR210HG promotes proliferation and invasion of non-small cell lung cancer by upregulating methylation of CACNA2D2 promoter via binding to DNMT1.

{"sci_version": "1.2", "schema": "https://corpus.bntrg.co.uk/sci/1.0/sci.schema.json", "id": "pmid:31190878", "kind": "science-record", "revision": 8, "content_hash": "sha256:ee0f9105f1a90f08258cd015c9da90f3780ffd56c5daa0eb437dd7efdc223b55", "created_at": "2026-11-01T15:40:46Z", "updated_at": "2026-11-01T22:00:36Z", "generator": {"name": "corpus-assay-engine", "run_id": "reading-sci-2026-11-01"}, "paper": {"state": "complete", "title": "LncRNA MIR210HG promotes proliferation and invasion of non-small cell lung cancer by upregulating methylation of CACNA2D2 promoter via binding to DNMT1.", "doi": "10.2147/OTT.S189468", "pmid": "31190878", "authors": ["Xiaowen Kang", "Fanwu Kong", "Kun Huang", "Lu Li", "Zhaoguo Li", "Xinyan Wang", "Wei Zhang", "Xiaomei Wu"], "journal": "OncoTargets and therapy", "year": 2019, "abstract": "Background: In recent years, a large number of studies have shown that differentially expressed lncRNAs are capable of promoting the occurrence and development of tumors by regulating cell proliferation and differentiation. However, the biological effects of lncRNAs in non-small cell lung cancer (NSCLC) are still needed to be further investigated. Methods: The differentially expressed lncRNAs in NSCLC tissues in the downloaded profiles from GEO database were analyzed and further verified in 100 pairs of NSCLC samples collected in our hospital. After identification of the target gene MIR210HG, the relationship between MIR210HG expression and clinical data of NSCLC patients was analyzed. Regulatory effects of MIR210HG on proliferation, migration, and invasion of NSCLC cells were detected by CCK-8, colony formation, and transwell assay, respectively. The binding condition of MIR210HG and DNA methyltransferase 1 (DNMT1) was detected by RNA binding protein immunoprecipitation. Subsequently, chromatin immunoprecipitation assay assessed the promoter binding of DNMT1 to CACNA2D2. Rescue experiments were conducted to assess whether CACNA2D2 can reverse the function of MIR210HG. Results: MIR210HG was highly expressed in NSCLC tissues not only in GSE30219 dataset but also in our collected NSCLC tissues. MIR210HG expression was correlated to tumor stage and lymph node metastasis of NSCLC patients. Besides, lower disease-free survival (DFS) and overall survival (OS) were found in NSCLC patients with high-level MIR210HG compared with those with low-level MIR210HG. Regression analysis indicated that MIR210HG was the independent risk factor for DFS and OS of NSCLC patients. In vitro experiments demonstrated that MIR210HG knockdown remarkably inhibited proliferation and migration of NSCLC cells. MIR210HG could recruit DNMT1, thereafter promoting methylation of CACNA2D2 promoter region. CACNA2D2 overexpression remarkably inhibited cell proliferation. Moreover, inhibited proliferation induced by MIR210HG knockdown was reversed by CACNA2D2 knockdown. Conclusion: MIR210HG can promote the tumorigenesis of NSCLC by inhibiting the expression of CACNA2D2. Our findings provide new therapeutic strategies for the future treatment of NSCLC.", "claims": [{"id": "claim-method", "statement": "Analysis of survival data was performed using Kaplan–Meier method and univariate and multivariate regression analyses.", "kind": "methodological", "target": null, "evidence": [{"asset": "source:pmid:31190878", "locator": "sections[16] \"Statistical analysis\" paragraph 2", "quote": "Analysis of survival data was performed using Kaplan–Meier method and univariate and multivariate regression analyses."}], "state": "complete"}, {"id": "claim-data-access", "statement": "In the GEO database (http://www.ncbi.nlm.nih.gov/geo/), we screened out the HGUl33 Plus 2.0 microarray containing data of NSCLC tissues and normal lung tissues using lung cancer as the key word. GSE30219 dataset was included and the CEL data files were analyzed by Affy matrix. 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