Evidence map›Paper›PMID 28508328›Full record

ArticleJournal of neuro-oncology2017

MiR-424 functions as a tumor suppressor in glioma cells and is down-regulated by DNA methylation.

Chen Jin, Minhong Li, Yian Ouyang, Zhigang Tan, Yugang Jiang

Abstract read
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In one paragraph

Article in Journal of neuro-oncology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing 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

27 citing papers in PubMed.

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  12. Role of miRNA-424 in Cancers.OncoTargets and therapy · 2020
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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

5 authors.

Chen JinDepartment of Neurosurgery, The Second Xiangya Hospital of Central South University, 139 Renming Road, Changsha, 410011, Hunan, People's Republic of China.
Minhong LiDepartment of Neurosurgery, The Second Xiangya Hospital of Central South University, 139 Renming Road, Changsha, 410011, Hunan, People's Republic of China.
Yian OuyangDepartment of Neurosurgery, The Second Xiangya Hospital of Central South University, 139 Renming Road, Changsha, 410011, Hunan, People's Republic of China.
Zhigang TanDepartment of Neurosurgery, The Second Xiangya Hospital of Central South University, 139 Renming Road, Changsha, 410011, Hunan, People's Republic of China.
Yugang JiangDepartment of Neurosurgery, The Second Xiangya Hospital of Central South University, 139 Renming Road, Changsha, 410011, Hunan, People's Republic of China. jiangyugang1115@163.com.ORCID http://orcid.org/0000-0002-0368-9769

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Glioma is one of the most lethal malignancies, and increasing reports revealed that microRNAs (miRNAs), a class of small non-coding RNAs, play a critical role in the development and pathology of human gliomas. MiR-424 has been found to be dysregulated in many different types of human cancers. However, the clinical significance and function of miR-424 in glioma remains unclear. Here, based on RTq-PCR analysis in 148 clinical specimens, we found miR-424 expression was significantly decreased in glioma tumor tissues than in adjacent non-neoplastic brain tissues, and decreased miR-424 expression was associated with glioma KPS (P = 0.009) and high grades (P = 0.029). In vitro cellular function assays further revealed that miR-424 inhibited cell invasion and migration, and promoted cell apoptosis. In addition, based on DNA methylation analysis on clinical specimens and cell lines, we found miR-424 promoter CpG island was frequently methylated and correlated with glioma high grades (P = 0.035) and IDH mutation status (P = 0.042). Moreover, the promoter CpG island was demethylated by 5-aza-2'-deoxycytidine treatment in a time-dependent manner and the expression levels of miR-424 were gradually induced and increased. Taken together, our data suggest that the promoter region CpG island methylation is associated with tumor suppressive miR-424 silencing and the pathology of human gliomas.

Indexed as

AdultAgedApoptosisAzacitidineBrain NeoplasmsCell Line, TumorCell MovementCell ProliferationCpG IslandsDecitabineDNA MethylationEnzyme InhibitorsGene Expression Regulation, NeoplasticGenes, Tumor SuppressorGliomaHumansAzacitidineDecitabineEnzyme InhibitorsMicroRNAsMIRN424 microrna, humanOligodeoxyribonucleotides, AntisenseCell invasionCell migrationCell proliferationDNA methylationGliomaMiR-424

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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.