Evidence map›Paper›PMID 23086522›Full record

ArticleMolecular neurobiology2013

FoxO3a negatively regulates nerve growth factor-induced neuronal differentiation through inhibiting the expression of neurochondrin in PC12 cells.

Haitao Wang, Xiaolu Duan, Yannan Ren, Yizhi Liu, Min Huang, Peiqing Liu, Rikang Wang, Guoquan Gao, Lihua Zhou, Zhongping Feng and 1 more

Abstract read
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In one paragraph

Article in Molecular neurobiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
0.7field-weighted citation impact, top 30% 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

19 citing papers in PubMed, 31 citations in OpenAlex.

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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

11 authors at 1 institution in 1 country.

Haitao WangNeuropharmacology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China.
Xiaolu Duan
Yannan Ren
Yizhi Liu
Min Huang
Peiqing Liu
Rikang Wang
Guoquan Gao
Lihua Zhou
Zhongping Feng
Wenhua Zheng
Sun Yat-sen University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Forkhead box O3 (FoxO3a) is a forkhead family transcription factor playing important roles in non-neuronal differentiation, metabolism, proliferation, and survival, but its role in neuronal differentiation remains unclear. In the present study, we investigated the role of FoxO3a in neuronal differentiation and its underlying mechanisms. Our results showed that overexpression of FoxO3a inhibited neuronal differentiation of PC12 cells induced by nerve growth factor (NGF) while knockdown of FoxO3a by siRNA enhanced NGF-induced differentiation. DNA microarray analysis and quantitative reverse transcription PCR (RT-PCR) showed that the overexpression of FoxO3a significantly attenuated expression of neurochondrin (NCDN), a neurite outgrowth-related protein, in PC12 cells, while knocking down the expression of FoxO3a had the opposite effect. Bioinformatic studies found that the regulatory region of NCDN promoter contained multiple FoxO3a binding sites. Dual-luciferase reporter assay with report gene containing NCDN promoter showed that FoxO3a significantly decreased the transcription activity of NCDN promoter. These results indicate that NCDN is a direct downstream target of FoxO3a which negatively regulates the expression of NCDN. Interestingly, NGF-induced NCDN expression and cell differentiation was blocked by the inhibition of phosphatidylinositol-3-kinase (PI3K)-protein kinase B (PKB, Akt) signal pathway (activation of FoxO3a) and overexpression of FoxO3a. Moreover, knockdown of NCDN by siRNA blocked NGF-induced neuronal differentiation of PC12 cells while overexpression of NCDN significantly promoted neurite outgrowth. These results put together demonstrate that NCDN plays an important role in NGF-induced neuronal differentiation and suggest that FoxO3a inhibits NGF-induced neuronal differentiation, at least in part, by suppressing the expression of NCDN.

Indexed as

AnimalsCell DifferentiationForkhead Box Protein O3Forkhead Transcription FactorsGene Expression RegulationGene Knockdown TechniquesHumansNerve Growth FactorNerve Tissue ProteinsNeuritesNeuronsPC12 CellsPhosphatidylinositol 3-KinasesProto-Oncogene Proteins c-aktRatsRNA, MessengerForkhead Box Protein O3Forkhead Transcription FactorsFOXO3 protein, ratNerve Growth FactorNerve Tissue ProteinsneurochondrinPhosphatidylinositol 3-KinasesProto-Oncogene Proteins c-aktRNA, MessengerRNA, Small Interfering

Identifiers

PMID23086522
OpenAlexW2170222419

What OpenQuestion holds

Textmetadata
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.