ArticleJournal of cellular and molecular medicine2019
LncRNA KCNQ1OT1 enhanced the methotrexate resistance of colorectal cancer cells by regulating miR-760/PPP1R1B via the cAMP signalling pathway.
Article in Journal of cellular and molecular medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers.
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Who cites it
47 citing papers in PubMed, 67 citations in OpenAlex.
- Regulatory Roles of Long Non-Coding RNAs in Methotrexate Pharmacology: Mechanistic and Translational Insights.Pharmaceutical research · 2026Review
- Integrative analysis of proteomics and metabolomics reveals amino acid metabolism disorder in adriamycin-resistant acute myeloid leukemia cells.Scientific reports · 2026Article
- Long non-coding RNAs as molecular links and circulating biomarkers between type 2 diabetes and colorectal cancer: focus on shared signaling pathways, epigenetic regulation, and ubiquitination mechanisms.Frontiers in molecular biosciences · 2026Review
- Potential of extracellular vesicle-derived microRNAs as a platform for biomarker discovery in acute lymphoblastic leukemia.PloS one · 2026Article
- LncRNA SNHG16 Drives PD-L1-Mediated Immune Escape in Colorectal Cancer through Regulating miR-324-3p/ELK4 Signaling.Biochemical genetics · 2025Article
- PDK4 as a tumor suppressor in gastric cancer: implications for metabolic regulation, immune modulation, and prognostic potential.Discover oncology · 2025Article
- Triptolide reverses cis‑diamminedichloroplatinum resistance in esophageal squamous cell carcinoma by suppressing glycolysis and causing mitochondrial malfunction.Molecular medicine reports · 2025Article
- LncRNATranslational cancer research · 2024Article
- Long noncoding RNA H19: functions and mechanisms in regulating programmed cell death in cancer.Cell death discovery · 2024Review
- New long noncoding RNA biomarkers and ceRNA networks on miR-616-3p in colorectal cancer: Bioinformatics-based study.Journal of research in medical sciences : the official journal of Isfahan University of Medical Sciences · 2024Article
- Comprehensive landscape and future perspectives of long noncoding RNAs (lncRNAs) in colorectal cancer (CRC): Based on a bibliometric analysis.Non-coding RNA research · 2023Article
- The Expression ofJournal of immunology research · 2023Article
- Article
- Role of Non-Coding RNAs in Colorectal Cancer: Focus on Long Non-Coding RNAs.International journal of molecular sciences · 2022Review
- LncRNA KCNQ1OT1 enhances the radioresistance of lung squamous cell carcinoma by targeting the miR-491-5p/TPX2-RNF2 axis.Journal of thoracic disease · 2022Article
- Long Noncoding RNA KCNQ1OT1 Confers Gliomas Resistance to Temozolomide and Enhances Cell Growth by Retrieving PIM1 From miR-761.Cellular and molecular neurobiology · 2022Article
- Long Non-Coding RNAInternational journal of molecular sciences · 2022Article
- Long Non-coding RNA FOXD2-AS1 Promotes Proliferation, Migration, and Invasion in Cholangiocarcinoma Through Regulating miR-760/E2F3 Axis.Digestive diseases and sciences · 2022Article
- Oncogenic Role of Exosomal Circular and Long Noncoding RNAs in Gastrointestinal Cancers.International journal of molecular sciences · 2022Review
- Comprehensive analysis of lncRNA-miRNA-mRNA regulatory networks for microbiota-mediated colorectal cancer associated with immune cell infiltration.Bioengineered · 2021Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We aimed to explore the mechanism of the KCNQ1OT1/miR-760/PPP1R1B axis acting to regulate methotrexate (MTX) resistance of colorectal cancer (CRC). Differentially expressed mRNAs and lncRNAs in MTX-sensitive CRC cell lines and MTX-resistant cell lines were determined through microarray analysis. Application of bioinformatics analysis was aimed to uncover the relationships among the lncRNAs/miRNAs/mRNAs, and to demonstrate the effects of cAMP signalling pathway in MTX-resistant CRC. The expression level of RNA and proteins was, respectively, detected using qRT-PCR and Western blot assays, whereas the dual-luciferase reporter gene assay was implemented to verify the targeted relationship. The influence of the lncRNA/miRNA/mRNA axis on biological functions of MTX-resistant cells and on the growth of tumours determined through both vitro and vivo experiments. LncRNA KCNQ1OT1 and PPP1R1B mRNA were overexpressed in MTX-resistant CRC tumour cells. KCNQ1OT1 functioned as a sponge of miR-760, which targeted PPP1R1B. Knockdown of KCNQ1OT1 enhanced chemosensitivity towards MTX through the sponging of miR-760. MiR-760 expressed at low levels targeted PPP1R1B in the activated cAMP signalling pathway under MTX treatment. Knockdown of KCNQ1OT1 dampened the proliferation of MTX-resistant (HT29/MTX) cells by regulating the miR-760/PPP1R1B axis, which also induced cell cycle arrest together with apoptosis. KCNQ1OT1 regulated the expression of PPP1R1B and the downstream genes CREB and CBP in the cAMP signalling pathway. MTX showed a suppressive function on CRC progression. KCNQ1OT1 enhanced the MTX resistance of CRC cells by regulating miR-760-mediated PPP1R1B expression via the cAMP signalling pathway.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.