ArticleBMC cancer2025
The expression of exosomal and cellular miRNAs in predicting oxaliplatin resistance in colorectal cancer cells: an in silico and in vitro study.
Article in BMC cancer, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Exosomes in Colorectal Cancer: From Tumor Biology to Diagnostic and Therapeutic Applications.Medicina (Kaunas, Lithuania) · 2026Review
- Article
- miR-4326 predicts adverse outcomes of triple-negative breast cancer and regulates cell growth and motility through modulating MED13.World journal of surgical oncology · 2026Article
- Exosomal microRNAs in colorectal cancer communication networks: implications for metastasis, therapy resistance, and precision medicine.Frontiers in immunology · 2026Review
- Article
- Exosomes: their role and therapeutic potential in overcoming drug resistance of gastrointestinal cancers.Frontiers in oncology · 2025Review
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Authors and funding
6 authors.
Funding
Abstract
backgroundColorectal cancer (CRC) is a common gastrointestinal cancer, and even though oxaliplatin chemotherapy is effective, there is a high likelihood of relapse, indicating the presence of oxaliplatin-resistant CRC. Therefore, it is crucial to comprehend the molecular mechanisms of oxaliplatin resistance and develop effective strategies to counter drug resistance. Numerous studies have demonstrated the close association between microRNAs (miRNAs) and drug resistance in CRC. In this study, we aimed to identify the essential exosomal and cellular miRNA related to oxaliplatin resistance in the CRC cell line HCT-116.
methodsThe miRNA expression profile of CRC cells with resistance to oxaliplatin was analyzed. The effectiveness of diagnostics and biomarker potency of miRNAs were evaluated by receiver operating characteristic (ROC) analysis. Target miRNAs were identified, and the enrichment analysis was assessed based on Gene Ontology (GO), Reactome, and Human Disease Ontology (DO). In vitro experiments, oxaliplatin-resistant HCT-116 cells (HCT116-OXA) were developed, and the exosomes were isolated and characterized from HCT116-OXA and HCT116 cells. The expression of the selected miRNAs was evaluated in HCT116-OXA cells and their exosomes, and they were compared to HCT-116 cells using quantitative real-time PCR.
resultsThis study revealed that a combination of miR-4326, miR-3615, miR-7974, miR-130b-3p, and miR-454-3p exhibited the highest area under the curve (AUC), sensitivity, specificity, and superior diagnostic and predictive performance. In vitro experiments, HCT116-OXA cells displayed reduced early and late apoptosis, a bypass of S phase arrest, prolonged doubling time, and higher IC
conclusionsThe low expression of miR-454-3p, miR-7974, and miR-3615 in CRC cells or high expression of miR-130b-3p and miR-4326 in isolated exosomes could predict the response to oxaliplatin therapy. This indicates the potential of these specific miRNAs to serve as predictive markers for the response to oxaliplatin therapy.
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