Evidence map›Paper›PMID 29541229›Full record

ArticleOncology letters2018

Downregulation of microRNA-17-5p inhibits drug resistance of gastric cancer cells partially through targeting p21.

Ziwei Wang, Feng Ji

Abstract read
In one paragraph

Article in Oncology letters, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
–field-weighted citation impact
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

23 citing papers in PubMed.

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  15. Non-coding RNAs underlying chemoresistance in gastric cancer.Cellular oncology (Dordrecht, Netherlands) · 2020
    Review
  16. Review
  17. Non-coding RNA in drug resistance of gastric cancer.World journal of gastrointestinal oncology · 2019
    Review
  18. Review
  19. 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

2 authors.

Ziwei WangDepartment of Internal Medicine, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310003, P.R. China.
Feng JiDepartment of Digestive Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310003, P.R. China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

MicroRNAs (miRNAs/miRs) are endogenous small non-coding RNAs that post-transcriptionally regulate the expression of genes and serve crucial roles in diverse biological processes. The present study aimed to examine the miRNA expression profile and drug resistance in the SGC7901 cell line and its isogenic drug-resistant counterpart, SGC7901/cisplatin (DDP) cell line. The potential role of miR-17-5p in modulating drug resistance in gastric cancer cells was investigated. Different levels of miRNA expression between SGC7901/DDP and SGC7901 cells were analyzed by miRNA microarray and validated by quantitative polymerase chain reaction. It was indicated that the downregulation of miR-17-5p sensitized SGC7901/DDP cells to anticancer drugs. A decreased luciferase activity of p21 3'-untranslated region-based reporter in miR-17-5p-transfected SGC7901/DDP cells suggested that p21 may be a direct target gene of miR-17-5p. Western blot analysis and flow cytometric assay revealed that the downregulation of miR-17-5p increases the sensitivity of SGC7901/DDP cells to DDP-induced apoptosis. Taken together, these results demonstrated that miR-17-5p may perform a role in the development of drug resistance in gastric cancer cells, at least partially by modulating apoptosis via targeting p21.

Indexed as

drug resistancegastric cancermicroRNA-17-5pp21

Identifiers

PMID29541229
PMCPMC5835921

What OpenQuestion holds

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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.