ArticleMolecular and cellular biochemistry2017
Hypomethylation agent decitabine restores drug sensitivity by depressing P-glycoprotein activity through MAPK signaling pathway.
Article in Molecular and cellular biochemistry, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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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.
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.
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Who cites it
5 citing papers in PubMed, 6 citations in OpenAlex.
- Targeting the MEK/ERK Pathway to Suppress P-Glycoprotein and Reverse Carfilzomib Resistance in Multiple Myeloma.International journal of molecular sciences · 2025Article
- Mechanism of multidrug resistance to chemotherapy mediated by P‑glycoprotein (Review).International journal of oncology · 2023Review
- DNA methyltransferase inhibitor exposure-response: Challenges and opportunities.Clinical and translational science · 2023Review
- CRISPR/Cas9: targeted genome editing for the treatment of hereditary hearing loss.Journal of applied genetics · 2020Review
- Drugs Targeting Epigenetic Modifications and Plausible Therapeutic Strategies Against Colorectal Cancer.Frontiers in pharmacology · 2019Review
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
The multidrug resistance (MDR) continues to be an obstacle in the treatment of both hematological and solid tumors. Hypomethylation agent, decitabine (5-Aza-dC), is an experimental agent in MDR therapy, while the mechanism is not very clear. In the present study, we demonstrated 5-Aza-dC may reverse MDR induced by P-glycoprotein (P-gp) coded by mdr1 gene in both hematologic K562/ADR cells and solid tumor MCF-7/ADR cells with time and dose-dependent manner. 5-Aza-dC significantly increased drug sensitivity in patients' leukemic cells which had higher expression of mdr1 gene. Both total protein and membrane P-gp expression were up-regulated with 5-Aza-dC treatment in K562/ADR and MCF-7/ADR cells. However, accumulation of adriamycin and rhodamine 123 were increased which suggested the depression of P-gp activity. Gene expression profiling was performed and activation of MAPK signaling pathway was identified as the most significant change affected by 5-Aza-dC. Inhibition of MAPK pathway could increase P-gp activity. Our data suggested that hypomethylation agent decitabine restores drug sensitivity in the P-gp-induced MDR phenotype by depressing of P-gp activity as drug pump partly through MAPK signaling pathway.
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Registered trials
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