ArticleMolecular medicine (Cambridge, Mass.)2022
LncRNA HCG18 upregulates TRAF4/TRAF5 to facilitate proliferation, migration and EMT of epithelial ovarian cancer by targeting miR-29a/b.
Article in Molecular medicine (Cambridge, Mass.), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 1 of them a synthesis that pooled it.
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Who cites it
21 citing papers in PubMed, 1 synthesis or guideline pooled it, 32 citations in OpenAlex.
- Identification of lncRNAs Deregulated in Epithelial Ovarian Cancer Based on a Gene Expression Profiling Meta-Analysis.International journal of molecular sciences · 2023Pooled it
- Recent advances in the regulation of CD47 by non-coding RNAs and its therapeutic potential in cancer.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2026Review
- Crosstalk between microRNA and oxidative stress in ovarian cancer: diagnosis, pathogenesis and therapeutic resistance.Medical oncology (Northwood, London, England) · 2025Review
- Article
- Exploring the Anti-Colorectal Cancer Mechanism of Norcantharidin Through TRAF5/NF-κB Pathway Regulation and Folate-Targeted Liposomal Delivery.International journal of molecular sciences · 2025Article
- Lnc-EST885 promotes hepatocellular carcinoma metastasis through PI3K / AKT pathway by interaction with TRAF4.Translational oncology · 2025Article
- Long Non-Coding RNAs in Ovarian Cancer: Mechanistic Insights and Clinical Applications.Cancers · 2025Review
- Targeting HCG18 counteracts ferroptosis resistance via blocking the miR-30a-5p/RRM2/GSS pathway in hepatocellular carcinoma.International journal of biological sciences · 2025Article
- Article
- LncRNA HAGLROS promotes breast cancer evolution through miR-135b-3p/COL10A1 axis and exosome-mediated macrophage M2 polarization.Cell death & disease · 2024Article
- Tumor necrosis factor receptor-associated factor 5 protects against intimal hyperplasia by regulation of macrophage polarization via directly targeting PPARγ.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2024Article
- LncRNA HCG18 affects diabetic cardiomyopathy and its association with miR-9-5p/IGF2R axis.Heliyon · 2024Article
- METTL3-mediated mThe Kaohsiung journal of medical sciences · 2024Article
- The roles of long non-coding RNAs in ovarian cancer: from functions to therapeutic implications.Frontiers in oncology · 2024Review
- The Role of EMT-Related lncRNAs in Ovarian Cancer.International journal of molecular sciences · 2023Review
- The role of long non-coding RNA HCG18 in cancer.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2023Review
- MiR-29a-3p: a potential biomarker and therapeutic target in colorectal cancer.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2023Review
- Article
- The role of microRNA-4723-5p regulated by c-myc in triple-negative breast cancer.Bioengineered · 2022Article
- Crosstalk among long non-coding RNA, tumor-associated macrophages and small extracellular vesicles in tumorigenesis and dissemination.Frontiers in oncology · 2022Review
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAlthough long noncoding RNA HLA complex group 18 (lncRNA HCG18) has been suggested to regulate cell growth in several tumours, the function of HCG18 in epithelial ovarian cancer (EOC) and its mechanism are still unclear.
methodsshRNAs were applied to reduce HCG18 and related genes. For overexpression of miRNA, a miRNA mimic was transfected into cells. Quantitative real-time PCR (qRT-PCR) was used to detect levels of HCG18, miR-29a/b, and mRNAs. MTT, colony formation, wound healing and Transwell assays were used to evaluate cell proliferation, migration and invasion, respectively. A luciferase reporter assay was utilized to evaluate NF-κB activity and the binding of miRNAs with HCG18 or TRAF4/5. BALB nude mice injected with cells stably expressing shHCG18 or shNC were used for in vivo modelling. Subcutaneous tumour growth was monitored in nude mice, and immunohistochemistry (IHC) was used to determine expression of the proliferation marker Ki67.
resultsAbnormal expression of HCG18 and miR-29a/b was observed in EOC tissues. Knockdown of HCG18 using shRNA inhibited proliferation, migration, EMT and the proinflammatory pathway in EOC cells. miR-29a/b mimics and TRAF4/5 knockdown exhibited effects similar to HCG18 knockdown. Further experiments suggested that HCG18 directly targets miR-29a/b and upregulates TRAF4/5 expression, which are inhibited by targeting miR-29a/b. Moreover, overexpression of TRAF4/5 antagonized the inhibitory effect of HCG18 knockdown, suggesting that they are involved in HCG18-mediated oncogenic effects. Silencing HCG18 reduced tumour size and levels of Ki67 and TRAF4/5 while increasing miR-29a/b levels in vivo.
conclusionsTaken together, our data revealed an oncogenic signalling pathway mediated by HCG18 in ovarian cell lines, which functions as a ceRNA of miR-29a/b and thus derepresses expression levels of TRAF4/5, facilitating NF-κB pathway-mediated promotion of EOC cell proliferation and migration.
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