ArticleBiomolecules2020
uL3 Mediated Nucleolar Stress Pathway as a New Mechanism of Action of Antiproliferative G-quadruplex TBA Derivatives in Colon Cancer Cells.
Article in Biomolecules, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 25 citations in OpenAlex.
- Reversing uL3-mediated chemoresistance through synergistic combination of 5-FU and G-quadruplex ligands.NAR cancer · 2025Article
- uL3 Regulates Redox Metabolism and Ferroptosis Sensitivity of p53-Deleted Colorectal Cancer Cells.Antioxidants (Basel, Switzerland) · 2024Article
- Bone marrow mesenchymal stem cells-derived exosomal lncRNA GAS5 mitigates heart failure by inhibiting UL3/Hippo pathway-mediated ferroptosis.European journal of medical research · 2024Article
- Application of G-quadruplex targets in gastrointestinal cancers: Advancements, challenges and prospects.World journal of gastrointestinal oncology · 2023Review
- Combining β-Carotene with 5-FU via Polymeric Nanoparticles as a Novel Therapeutic Strategy to Overcome uL3-Mediated Chemoresistance in p53-Deleted Colorectal Cancer Cells.Molecular pharmaceutics · 2023Article
- Antiproliferative Effects of the Aptamer d(GGGT)International journal of molecular sciences · 2022Article
- A Comprehensive Analysis of the Thrombin Binding Aptamer Containing Functionalized Pyrrolo-2'-deoxycytidines.Pharmaceuticals (Basel, Switzerland) · 2021Article
- The NF-κB Nucleolar Stress Response Pathway.Biomedicines · 2021Review
- The predictive value of RNA binding proteins in colon adenocarcinoma.Journal of gastrointestinal oncology · 2021Article
- Exploring New Potential Anticancer Activities of the G-Quadruplexes Formed by [(GTGInternational journal of molecular sciences · 2021Article
- Ribosome Biogenesis and Cancer: Overview on Ribosomal Proteins.International journal of molecular sciences · 2021Review
- Recent Developments in Small-Molecule Ligands of Medicinal Relevance for Harnessing the Anticancer Potential of G-Quadruplexes.Molecules (Basel, Switzerland) · 2021Review
- S-Adenosyl-l-Methionine Overcomes uL3-Mediated Drug Resistance in p53 Deleted Colon Cancer Cells.International journal of molecular sciences · 2020Article
- Structural properties and anticoagulant/cytotoxic activities of heterochiral enantiomeric thrombin binding aptamer (TBA) derivatives.Nucleic acids research · 2020Article
- Role of Autophagy in Cancer Cell Response to Nucleolar and Endoplasmic Reticulum Stress.International journal of molecular sciences · 2020Review
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
The antiproliferative G-quadruplex aptamers are a promising and challenging subject in the framework of the anticancer therapeutic oligonucleotides research field. Although several antiproliferative G-quadruplex aptamers have been identified and proven to be effective on different cancer cell lines, their mechanism of action is still unexplored. We have recently described the antiproliferative activity of a heterochiral thrombin binding aptamer (TBA) derivative, namely, LQ1. Here, we investigate the molecular mechanisms of LQ1 activity and the structural and antiproliferative properties of two further TBA derivatives, differing from LQ1 only by the small loop base-compositions. We demonstrate that in p53 deleted colon cancer cells, LQ1 causes nucleolar stress, impairs ribosomal RNA processing, leading to the accumulation of pre-ribosomal RNAs, arrests cells in the G2/M phase and induces early apoptosis. Importantly, the depletion of uL3 abrogates all these effects, indicating that uL3 is a crucial player in the mechanism of action of LQ1. Taken together, our findings identify p53-independent and uL3-dependent nucleolar stress as a novel stress response pathway activated by a specific G-quadruplex TBA derivative. To the best of our knowledge, this investigation reveals, for the first time, the involvement of the nucleolar stress pathway in the mechanism of action of antiproliferative G-quadruplex aptamers.
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Registered trials
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.