ArticleJournal of experimental & clinical cancer research : CR2024
EIF4A3-mediated biogenesis of circSTX6 promotes bladder cancer metastasis and cisplatin resistance.
Article in Journal of experimental & clinical cancer research : CR, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers, 1 of them a synthesis that pooled it.
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
29 citing papers in PubMed, 1 synthesis or guideline pooled it, 37 citations in OpenAlex.
- The dual role of circHIPK3 in cancer and its implications for multiple drugs resistance: a systematic review and computational approach.Frontiers in oncology · 2025Pooled it
- Inhibition of TGM2 enhances cisplatin sensitivity in MSH2-deficient bladder cancer.Cell death discovery · 2026Article
- PABPC1-induced stabilization of PGK1 mRNA reduces apoptosis and sunitinib sensitivity in renal cell carcinoma by suppressing endoplasmic reticulum stress.Cell death & disease · 2026Article
- Circular RNAs in cancer: Its biogenesis, functions, relationships with cancer progression, applications in immunotherapy and biomarker potentials.Cancer immunology, immunotherapy : CII · 2026Review
- Targeting circGDI2 disrupt HNRNPC-mediated mPORCN stabilization and enhance LGK-974 anti-tumor therapy in hepatocellular carcinoma.Molecular cancer · 2026Article
- EIF4A3/circPTGR1/miR-4725-5p positive- feedback loop promotes colorectal cancer progression via FAK/AKT signaling pathway.Molecular cancer · 2026Article
- Review
- PABPC1 expression in papillary renal cell carcinoma and its significance for survival outcomes.Journal, genetic engineering & biotechnology · 2025Article
- CircPSMA4 as a novel circular RNA enhances the proliferation migration invasion and metabolism of bladder cancer cells through the miR-767-3p/HIF1A pathway.Scientific reports · 2025Article
- Circular RNAs: Fundamental mechanisms in tumor metastasis and detection strategies (Review).Molecular medicine reports · 2025Review
- Integrative assessment of RNA sequencing and in silico analysis to pinpoint mRNAs, lncRNAs, and circRNAs interactions with miRNAs underlying arsenic-induced neurotoxicity.BMC genomics · 2025Article
- Circular RNAs: driving forces behind chemoresistance and immune evasion in bladder cancer.Naunyn-Schmiedeberg's archives of pharmacology · 2025Review
- CircRNAs: functions and emerging roles in cancer and immunotherapy.BMC medicine · 2025Review
- The novel ferroptosis-inducing molecule can inhibit the progression of BC by regulating the ubiquitination of UHRF1.Epigenomics · 2025Article
- Recent advances in the role of circRNA in cisplatin resistance in tumors.Cancer gene therapy · 2025Review
- m6A-modified circSTX6 as a key regulator of cervical cancer malignancy via SPI1 and IL6/JAK2/STAT3 pathways.Oncogene · 2025Article
- A Novel 167-Amino Acid Protein Encoded by CircPCSK6 Inhibits Intrahepatic Cholangiocarcinoma Progression via IKBα Ubiquitination.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- EIF4E-mediated biogenesis of circPHF14 promotes the growth and metastasis of pancreatic ductal adenocarcinoma via Wnt/β-catenin pathway.Molecular cancer · 2025Article
- CircRNA hsa_circ_0004781 promoted cell proliferation by acting as a sponge for miR-9-5p and miR-338-3p and upregulating KLF5 and ADAM17 expression in pancreatic ductal adenocarcinoma.Cancer cell international · 2025Article
- Upregulation of circGDI2 inhibits tumorigenesis by stabilizing the expression of RNA m6A demethylase FTO in oral squamous cell carcinoma.Non-coding RNA research · 2025Article
Corrections and comments
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Authors and funding
13 authors at 1 institution in 1 country.
Funding
Abstract
backgroundCisplatin (CDDP)-based chemotherapy is a standard first-line treatment for metastatic bladder cancer (BCa) patients, and chemoresistance remains a major challenge in clinical practice. Circular RNAs (circRNAs) have emerged as essential regulators in carcinogenesis and cancer progression. However, the role of circRNAs in mediating CDDP chemosensitivity has yet to be well elucidated in BCa.
methodsCircSTX6 (hsa_circ_0007905) was identified by mining the public circRNA datasets and verified by Sanger sequencing, agarose gel electrophoresis, RNase R treatment and qRT-PCR assays. Then, function experiments were performed to evaluate the effects of circSTX6 on BCa metastasis. Luciferase reporter assay, RNA pull-down, RNA immunoprecipitation (RIP), RNA stability assay, Fluorescence in situ hybridization (FISH) and Immunofluorescence (IF) were conducted to evaluate the interaction among circSTX6, miR-515-3p, PABPC1 and SUZ12. Animal experiments were performed to explore the function of circSTX6 in tumor metastasis and CDDP sensitivity.
resultsWe identified that circSTX6 was significantly upregulated in clinical samples and cells of BCa. Functionally, circSTX6 promoted cell migration and invasion both in vitro and in vivo. Mechanistically, circSTX6 could act as a miR-515-3p sponge and abolish its effect on SUZ12. Moreover, circSTX6 was confirmed to increase the stability of SUZ12 mRNA by interacting with a mRNA stabilizer PABPC1 and subsequently promote the expression of SUZ12. Importantly, silencing of circSTX6 improved the chemosensitivity of CDDP-resistant bladder cancer cells to CDDP. Furthermore, in vivo analysis supported that knockdown of circSTX6 attenuated CDDP resistance in BCa tumors.
conclusionThese studies demonstrate that circSTX6 plays a pivotal role in BCa metastasis and chemoresistance, and has potential to serve as a therapeutic target for treatment of BCa.
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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.