ArticleHereditas2025
MiR-518c-5p/miR-4524a-3p can mediate immune escape and chemotherapy resistance in triple-negative breast cancer and predict its outcome.
Article in Hereditas, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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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Who cites it
1 citing paper in PubMed.
- Regulation of epidermal growth factor receptors: The role of c-Cbl, Cdc42, and miRNAs in breast cancer.Biochemistry and biophysics reports · 2026Review
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTriple-negative breast cancer (TNBC), is characterized by its highly aggressive nature, with chemotherapy resistance and immune evasion contributing to poor outcomes. The role of major histocompatibility complex class I (MHCI) downregulation in TNBC progression remains incompletely understood.
aimThe present research focused on elucidating the roles of miR-518c-5p/miR-4524a-3p in immune evasion and chemoresistance in TNBC, and evaluating their clinical significance.
methodsBioinformatics analysis predicted miRNAs targeting HLA-A/B/C, validated by dual-luciferase assays. Functional studies in TNBC cell lines (MDA-MB-231/468 and ADR-resistant sublines) included chromium release, proliferation, invasion, and apoptosis assays. Clinical relevance was assessed in 88 TNBC patients and 88 controls using RT-PCR and survival analysis.
resultsMiR-518c-5p/miR-4524a-3p directly targeted HLA-A, HLA-B, and HLA-C, downregulating MHCI expression and promoting immune evasion. Overexpression of miR-518c-5p/miR-4524a-3p enhanced TNBC cell proliferation, invasion, and chemoresistance to doxorubicin, while their inhibition reversed these effects. High expression of miR-518c-5p/miR-4524a-3p correlated with adverse clinical outcomes in TNBC patients, including shorter recurrence-free survival.
conclusionsMiR-518c-5p/miR-4524a-3p contribute to TNBC progression by facilitating immune evasion and chemoresistance. Targeting miR-518c-5p/miR-4524a-3p may represent a promising therapeutic approach for improving TNBC treatment outcomes.
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