ArticleMolecular biology reports2022
Methylation-mediated silencing of miR-125a-5p facilitates breast cancer progression by inducing autophagy.
Article in Molecular biology reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 1 of them a synthesis that pooled it.
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Who cites it
9 citing papers in PubMed, 1 synthesis or guideline pooled it, 11 citations in OpenAlex.
- Pooled it
- Integrating circulating microRNAs with epidemiological factors enhances breast cancer detection across subtypes: the MCC-Spain study.Scientific reports · 2026Article
- Estrogen-mediated DNMT1 and DNMT3A recruitment by EZH2 silences miR-570-3p that contributes to papillary thyroid malignancy through DPP4.Clinical epigenetics · 2024Article
- Baicalin Relieves Airway Inflammation in COPD by Inhibiting miR-125a.Applied biochemistry and biotechnology · 2024Article
- DNA methylation of miR-181a-5p mediated by DNMT3b drives renal interstitial fibrosis developed from acute kidney injury.Epigenomics · 2024Article
- Metformin as a Potential Therapeutic Agent in Breast Cancer: Targeting miR-125a Methylation and Epigenetic Regulation.International journal of molecular and cellular medicine · 2024Article
- Modulation of AKT Pathway-Targeting miRNAs for Cancer Cell Treatment with Natural Products.International journal of molecular sciences · 2023Review
- Crosstalk between Methylation and ncRNAs in Breast Cancer: Therapeutic and Diagnostic Implications.International journal of molecular sciences · 2022Review
- A prognostic model for cervical cancer based on ferroptosis-related genes.Frontiers in endocrinology · 2022Article
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
Abstract
backgroundmicroRNA-125a-5p (miR-125a) is a tumor suppressor gene whose role in autophagy remains poorly understood. In the current study, we aimed to investigate the methylation status of miR-125a, its transfection into SK-BR3 cells, and its effects on autophagy.
methodsSixty samples of tumor and non-tumor adjacent tissue were collected and the methylation status of miR-125a was evaluated by methylation-specific PCR (MSP). The effect of 5-Aza-dC on miR-125a expression was investigated in the SK-BR3 cells. Cells were also transfected with miR-125a mimic/antimiR. The expression of miR-125a and its target genes was evaluated by Real-Time PCR. Protein levels of ATG5 and LC3 were assessed by Western blotting. HER2 expression was investigated by immunocytochemistry (ICC).
resultsThe data showed that the miR-125a promoter CpG Island was significantly hypermethylated in breast cancer tissues (p < 0.01) and in SK-BR3 cells. The 5-Aza-dC could significantly increase miR-125a expression by decreasing its methylation (p < 0.05). In addition, Western blot analysis indicated the expression of ATG5 and LC3 II/ LC3I, as autophagy biomarkers, was significantly reduced in SK-BR3 cells transfected with miR-125a (p < 0.05).
conclusionsOur data showed miR-125a expression was significantly decreased in tumor tissues due to its promoter hypermethylation. Overexpression of miR-125a was associated with a reduction in autophagy, which could provide a new therapeutic avenue for advanced-stage breast cancer treatment.
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