ArticleOncology research2024
Exosomal microRNA let-7c-5p enhances cell malignant characteristics by inhibiting TAGLN in oral cancer.
Article in Oncology research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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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
2 citing papers in PubMed.
- A Candidate Salivary miRNA Panel for Bronchopulmonary Dysplasia in Very and Extremely Low-Birth-Weight Preterm Infants: A Pilot Exploratory Study.Life (Basel, Switzerland) · 2026Article
- Extracellular Vesicles in Head and Neck Cancer-A Systematic Review.Journal of extracellular biology · 2026Review
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Oral cancer, a malignancy that is prevalent worldwide, is often diagnosed at an advanced stage. MicroRNAs (miRNAs) in circulating exosomes have emerged as promising cancer biomarkers. The role of miRNA let-7c-5p in oral cancer remains underexplored, and its potential involvement in tumorigenesis warrants comprehensive investigation. Methods: Serum samples from 30 patients with oral cancer and 20 healthy controls were used to isolate exosomes and quantify their RNA content. Isolation of the exosomes was confirmed through transmission electron microscopy. Quantitative PCR was used to assess the miRNA profiles. The effects of let-7c-5p and TAGLN overexpression on oral cancer cell viability, migration, and invasion were analyzed via CCK-8 and Transwell assays. Moreover, we conducted mRNA sequencing of exosomal RNA from exosomes overexpressing let-7c-5p to delineate the gene expression profile and identify potential let-7c-5p target genes. Results: let-7c-5p was upregulated in serum-derived exosomes of patients with oral cancer. Overexpression of let-7c-5p in the TCA8113 and CAL-27 cell lines enhanced their proliferative, migratory, and invasive capacities, and overexpression of let-7c-5p cell-derived exosomes promoted oral cancer cell invasiveness. Exosomal mRNA sequencing revealed 2,551 differentially expressed genes between control cell-derived exosomes and overexpressed let-7c-5p cell-derived exosomes. We further identified TAGLN as a direct target of let-7c-5p, which has been implicated in modulating the oncogenic potential of oral cancer cells. Overexpression of TAGLN reverses the promoting role of let-7c-5p on oral cancer cells. Conclusion: Our findings highlight the role of exosomal let-7c-5p in enhancing oral cancer cell aggressiveness by downregulating TAGLN expression, highlighting its potential as a diagnostic and therapeutic strategy.
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Registered trials
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