ArticleCancer biology & therapy2025
Extracellular transfer of HuR promotes acquired cisplatin resistance in esophageal cancer cells.
Article in Cancer biology & therapy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Identification ofTranslational cancer research · 2026Article
- Article
- Brown adipose tissue-derived exosomes ameliorate obesity-related hypertension via HuR-mediated restoration of endothelial function.International journal of obesity (2005) · 2026Article
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4 authors.
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Abstract
Cisplatin (DDP) resistance is a key factor hindering esophageal cancer (ESCA) treatment. Exosomes have been reported to confer resistance to DDP in various tumor cells. However, the effects of ESCA cell-derived exosomes and exosomal human antigen R (HuR) on DDP resistance in cancer cells have not been elucidated. In this study, isolated exosomes were identified by transmission electron microscopy, nanoparticle tracking analysis, and western blotting. CCK-8 and flow cytometry were employed to assess the functional role of exosomes in ESCA DDP-resistant cells and their parental cells. Bioinformatics analysis was performed to identify molecules that were positively associated with HuR and validated using dual-luciferase reporter analysis and RNA immunoprecipitation assays. We found that exosomes from ESCA cells enhance the resistance of drug-resistant cells to DDP. Importantly, HuR protein, but not mRNA, was directly transferred into DDP-resistant cells via exosomes, thereby increasing the level of HuR protein. Mechanistically, HuR positively correlated with Lamin B2 (LMNB2) in ESCA cells, and ESCA DDP-resistant cells transfected with siRNA targeting LMNB2 exhibited reduced cell viability and elevated apoptosis rates. Moreover, the role of ESCA cell-derived exosomes in the transmission of DDP resistance
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