Evidence map›Paper›PMID 31899608›Full record

ArticleCancer medicine2020

MicroRNA-221 promotes breast cancer resistance to adriamycin via modulation of PTEN/Akt/mTOR signaling.

Yingchun Yin, Xinmei Wang, Tangyue Li, Qi Ren, Liang Li, Xiaoyu Sun, Baohua Zhang, Xinyun Wang, Hongmei Han, Yangyang He and 3 more

Open access · goldAbstract read
In one paragraph

Article in Cancer medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
2.2field-weighted citation impact, top 12% 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

21 citing papers in PubMed, 46 citations in OpenAlex.

  1. Article
  2. Sex differences in disease: sex chromosome and immunity.Journal of translational medicine · 2024
    Review
  3. Review
  4. Molecular Morbidity Score-Can MicroRNAs Assess the Burden of Disease?International journal of molecular sciences · 2024
    Review
  5. The emerging role and mechanism of HMGA2 in breast cancer.Journal of cancer research and clinical oncology · 2024
    Review
  6. Article
  7. Article
  8. Article
  9. Review
  10. Article
  11. Article
  12. Review
  13. Article
  14. Review
  15. Observational
  16. Article
  17. Review
  18. Review
  19. MicroRNA Expression Profiles and Breast Cancer Chemotherapy.International journal of molecular sciences · 2021
    Review
  20. Article
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

13 authors at 1 institution in 1 country.

Yingchun YinDepartment of Pathology, The Central Hospital of Zibo, Zibo, China.
Xinmei WangDepartment of Pathology, The Central Hospital of Zibo, Zibo, China.ORCID 0000-0002-2429-7983
Tangyue LiDepartment of Pathology, The Central Hospital of Zibo, Zibo, China.
Qi RenShinva Medical Instrument Co, Ltd, Zibo, China.
Liang LiBreast and Thyroid Surgery, The Central Hospital of Zibo, Zibo, China.
Xiaoyu SunDepartment of Pathology, The Central Hospital of Zibo, Zibo, China.
Baohua ZhangDepartment of Pathology, The Central Hospital of Zibo, Zibo, China.
Xinyun WangDepartment of Pathology, The Central Hospital of Zibo, Zibo, China.
Hongmei HanDepartment of Pathology, The Central Hospital of Zibo, Zibo, China.
Yangyang HeDepartment of Pathology, The Central Hospital of Zibo, Zibo, China.
Zhen CaoDepartment of Pathology, The Central Hospital of Zibo, Zibo, China.
Xiaojie SunDepartment of Pathology, The Central Hospital of Zibo, Zibo, China.
Ziqiang ZhouDepartment of Pathology, The Central Hospital of Zibo, Zibo, China.
Central Hospital of Zibo · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

As a prevalent tumor among women, breast cancer is still an incurable disease due to drug resistance. In this study, we report microRNA-221 to have a significant effect on breast cancer resistance to adriamycin. The microRNA-221 is elevated in tumor tissue compared with nearby nontumor samples, as well as in breast cancer cell line with adriamycin resistance (MCF-7/ADR) compared to its parental line (MCF-7) and the normal breast epithelial cell line (MCF-10A). Enforced level of microRNA-221 promotes cancer resistance to adriamycin, which in turn sustains cell survival and exacerbates malignant formation. Reciprocally, the silence of microRNA-221 in cancer cells augments the sensitivity to chemotherapy, thereby resulting in enhanced apoptosis of MCF-7/ADR cells. Mechanistically, we identify PTEN as a direct target of microRNA-221, which was conversely associated with a microRNA-221 level in breast tumors. The knock-down of PTEN partially reversed the stimulatory role of microRNA-221 in the modulation of the Akt/mTOR signaling. Taken together, these findings suggest microRNA-221 suppresses PTEN transcription and activates Akt/mTOR pathway, which in turn enhances breast cancer resistance to adriamycin and promotes cancer development. Our data thus illuminate the microRNA-221/PTEN axis may act as a promising strategy for the treatment of chemotherapy-resistant breast tumors.

Indexed as

ApoptosisBreastBreast NeoplasmsCarcinogenesisCell SurvivalDoxorubicinDrug Resistance, NeoplasmFemaleGene Expression Regulation, NeoplasticGene Knockdown TechniquesHumansMCF-7 CellsMicroRNAsProto-Oncogene Proteins c-aktPTEN PhosphohydrolaseSignal TransductionAKT1 protein, humanDoxorubicinMicroRNAsMIR221, humanMTOR protein, humanProto-Oncogene Proteins c-aktPTEN PhosphohydrolasePTEN protein, humanTOR Serine-Threonine Kinasesadriamycin resistanceAkt/mTOR pathwaybreast cancermicroRNA-221

Identifiers

PMID31899608
PMCPMC7013069
OpenAlexW2998689220

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.