ArticleCancer management and research2019
Epigenetic regulation of IncRNA KCNKI5-ASI in gastric cancer.
Article in Cancer management and research, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 15 citations in OpenAlex.
- Non-coding RNAs-mediated regulation of the MAPK pathway in gastric cancer: translational perspectives.Discover oncology · 2025Review
- Hypermethylated Long Non-Coding RNA Genes KCNK15-AS1, MAGI2-AS3, and SSTR5-AS1 in Ovarian Cancer and Their Diagnostic Potential.Bulletin of experimental biology and medicine · 2025Article
- Molecular roles of microRNA-21 and exosomal miR-21 in gastrointestinal cancers: diagnostic, therapeutic, and drug resistance insights.Frontiers in molecular biosciences · 2025Review
- The role of MAPK pathway in gastric cancer: unveiling molecular crosstalk and therapeutic prospects.Journal of translational medicine · 2024Review
- Ten Hypermethylated lncRNA Genes Are Specifically Involved in the Initiation, Progression, and Lymphatic and Peritoneal Metastasis of Epithelial Ovarian Cancer.International journal of molecular sciences · 2024Article
- Epigenetic Regulation of MAP3K8 in EBV-Associated Gastric Carcinoma.International journal of molecular sciences · 2023Article
- Surveying lncRNA-lncRNA cooperations reveals dominant effect on tumor immunity cross cancers.Communications biology · 2022Article
- ALKBH5-mediated mCell death & disease · 2021Article
- The Multifaceted Role of Long Non-Coding RNA in Gastric Cancer: Current Status and Future Perspectives.International journal of biological sciences · 2021Review
- MAP Kinases Pathways in Gastric Cancer.International journal of molecular sciences · 2020Review
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundLong noncoding RNAs (lncRNAs) play an important role in gastric cancer. In this study, we aimed to uncover the epigenetic regulatory mechanism of lncRNA KCNK15-AS1 in gastric cancer progression. PATIENTS AND
methodsForty patients were included in the study. The expression of KCNK15-AS1 was detected by real-time PCR (RT-PCR), the promoter of KCNK15-AS1 was detected by methylation-specific PCR, and the luciferase assay was performed to detect the relationship between KCNK15-AS1 and miR-21. The relationship of the proteins was explored by an RNA pull-down assay and RNA immunoprecipitation. Chromatin immunoprecipitation was performed to detect the relationship between the promoter and the protein.
resultsThe expression of KCNK15-AS1 was lower in the tumor tissue compared to the normal tissue. KCNK15-AS1 interacted with miR-21. Both the overexpression of KCNK15-AS1 and the knockdown of the expression of miR-21 inhibited proliferation and promoted apoptosis and decreased the level of MMP-9, bcl-2, and MMP-2 but increased the level of Bax. In addition, the methylation of KCNK15-AS1 was detected in the tumor tissue but was not detected in the normal tissue. Treatment with 5-azacytidine and chidamide decreased the level of DNMT1 and HDAC1 and increased the level of KCNK15-AS1. The RNA pull-down and RNA immunoprecipitation results showed that KCNK15-AS1 interacted with DNMT1 and HDAC1. The ChIP-seq result showed that the promoter of MAPK interacted with DNMT1, and the promoter of AKT and STAT5 interacted with HDAC1.
conclusionIn this study, we identified two regulatory axes, namely KCNK15-AS1-DNMT1-MAPK and KCNK15-AS1-HDAC1-AKT, which were associated with gastric cancer progression. Chidamide and 5-azacytidine might provide new modes for treating gastric cancer.
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