Evidence map›Paper›PMID 24878960›Full record

ArticleThe Journal of biological chemistry2014

MicroRNA miR-124 controls the choice between neuronal and astrocyte differentiation by fine-tuning Ezh2 expression.

Wen Hao Neo, Karen Yap, Suet Hoay Lee, Liang Sheng Looi, Piyush Khandelia, Sheng Xiong Neo, Eugene V Makeyev, I-hsin Su

Abstract read
In one paragraph

Article in The Journal of biological chemistry, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 75 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
75citing papers in PubMed, 2 pooled it
–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

75 citing papers in PubMed, 2 syntheses or guidelines pooled it.

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  18. MicroRNA-124-3p-enriched small extracellular vesicles as a therapeutic approach for Parkinson's disease.Molecular therapy : the journal of the American Society of Gene Therapy · 2022
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15 more citing papers are in PubMed but not listed here.

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

8 authors.

Wen Hao Neo
Karen Yap
Suet Hoay Lee
Liang Sheng Looi
Piyush Khandelia
Sheng Xiong Neo
Eugene V Makeyev
I-hsin Su

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Polycomb group protein Ezh2 is a histone H3 Lys-27 histone methyltransferase orchestrating an extensive epigenetic regulatory program. Several nervous system-specific genes are known to be repressed by Ezh2 in stem cells and derepressed during neuronal differentiation. However, the molecular mechanisms underlying this regulation remain poorly understood. Here we show that Ezh2 levels are dampened during neuronal differentiation by brain-enriched microRNA miR-124. Expression of miR-124 in a neuroblastoma cells line was sufficient to up-regulate a significant fraction of nervous system-specific Ezh2 target genes. On the other hand, naturally elevated expression of miR-124 in embryonic carcinoma cells undergoing neuronal differentiation correlated with down-regulation of Ezh2 levels. Importantly, overexpression of Ezh2 mRNA with a 3'-untranslated region (3'-UTR) lacking a functional miR-124 binding site, but not with the wild-type Ezh2 3'-UTR, hampered neuronal and promoted astrocyte-specific differentiation in P19 and embryonic mouse neural stem cells. Overall, our results uncover a molecular mechanism that allows miR-124 to balance the choice between alternative differentiation possibilities through fine-tuning the expression of a critical epigenetic regulator.

Indexed as

3' Untranslated RegionsAnimalsAstrocytesCell DifferentiationCell Line, TumorEnhancer of Zeste Homolog 2 ProteinGene Expression RegulationHEK293 CellsHumansMiceMicroRNAsNeuronsPolycomb Repressive Complex 23' Untranslated RegionsEnhancer of Zeste Homolog 2 ProteinEZH2 protein, humanEzh2 protein, mouseMicroRNAsMIRN124 microRNA, humanMirn124 microRNA, mousePolycomb Repressive Complex 2

Identifiers

PMID24878960
PMCPMC4110287

What OpenQuestion holds

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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.