Evidence map›Paper›PMID 38616741›Full record

ArticleCurrent pharmaceutical biotechnology2025

SiRNA-mediated Knockdown of

Zahra Abbasfard, Abbas Behzad-Behbahani, Banafsheh Rastegari, Sirous Naeimi, Mehdi Moghanibashi, Fatemeh Safari

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Article in Current pharmaceutical biotechnology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact, top 91% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed, 0 citations in OpenAlex.

  1. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 1 country.

Zahra AbbasfardDepartment of Genetics, College of Science, Islamic Azad University, Kazerun Branch, Kazerun, Iran.ORCID 0000-0002-8639-7947
Abbas Behzad-BehbahaniDiagnostic Laboratory Sciences and Technology Research Center, School of Paramedical Sciences, Shiraz University of Medical Sciences, Shiraz, Iran.ORCID 0000-0001-5917-920X
Banafsheh RastegariDiagnostic Laboratory Sciences and Technology Research Center, School of Paramedical Sciences, Shiraz University of Medical Sciences, Shiraz, Iran.ORCID 0000-0001-5620-2670
Sirous NaeimiDepartment of Genetics, College of Science, Islamic Azad University, Kazerun Branch, Kazerun, Iran.ORCID 0000-0001-8525-949X
Mehdi MoghanibashiDepartment of Genetics, College of Science, Islamic Azad University, Kazerun Branch, Kazerun, Iran.ORCID 0000-0003-0023-9399
Fatemeh SafariDiagnostic Laboratory Sciences and Technology Research Center, School of Paramedical Sciences, Shiraz University of Medical Sciences, Shiraz, Iran.ORCID 0000-0001-6792-8987
Shiraz University of Medical Sciences · IRIslamic Azad University Kazeron · IR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundBreast cancer remains a leading cause of cancer-related deaths among women, primarily attributed to the formidable challenge of multidrug resistance, often driven by the overexpression of the ABCB1 gene.

objectiveThis study aimed to assess the synergistic effects of siRNA, doxorubicin, and vinorelbine on ABCB1 gene expression and cell viability in doxorubicin-resistant MCF-7/ADR breast cancer cells, with siRNA targeting ABCB1 to reduce its expression and doxorubicin/ vinorelbine to eradicate cancer cells.

methodsOur methodology involved culturing MCF-7 and MCF-7/ADR cells in standard cell culture conditions. The synthesized siRNA sequences transfected cells with siRNA at final concentrations of 10, 20, and 30 nM and assessed cell viability using the MTT assay was performed. Real-time PCR was employed to quantify ABCB1 mRNA expression levels.

resultsResults indicated that MCF-7/ADR cells exhibited substantial resistance to vinorelbine and doxorubicin compared to MCF-7 cells, displaying resistance at 12.50 μM and 25.00 μM for vinorelbine and 6.25 μM and 25.00 μM for doxorubicin. Remarkably, siRNA treatment effectively reversed drug resistance in MCF-7/ADR cells across all concentrations of vinorelbine and doxorubicin tested. When combined, siRNA, doxorubicin, and vinorelbine yielded a significantly greater reduction in cell viability compared to individual drug treatments, particularly at a 20 μM siRNA concentration. This combination therapy also significantly suppressed ABCB1 gene expression by a factor of 41.48 in MCF-7 cells relative to MCF-7/ADR cells.

conclusionthese findings suggest that combining siRNA, doxorubicin, and vinorelbine holds promise as a therapeutic strategy to overcome ABCB1-mediated multidrug resistance in breast cancer. Further investigations and clinical trials are warranted to evaluate its clinical efficacy rigorously.

Indexed as

Breast NeoplasmsDoxorubicinRNA, Small InterferingVinblastineVinorelbineATP Binding Cassette Transporter, Subfamily BCell SurvivalDrug Resistance, NeoplasmFemaleGene Knockdown TechniquesHumansMCF-7 CellsABCB1 protein, humanATP Binding Cassette Transporter, Subfamily BDoxorubicinRNA, Small InterferingVinblastineVinorelbineDoxorubicindrug resistanceMCF-7 cellsmultiplesmall interfering RNAvinorelbine.

Identifiers

PMID38616741
OpenAlexW4394818662

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.