Evidence map›Paper›PMID 28545464›Full record

ArticleMolecular cancer2017

C10ORF10/DEPP-mediated ROS accumulation is a critical modulator of FOXO3-induced autophagy.

S Salcher, M Hermann, U Kiechl-Kohlendorfer, M J Ausserlechner, P Obexer

Open access · goldAbstract read
In one paragraph

Article in Molecular cancer, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers.

0numbers the graph read from it
0cells of the map it votes in
50citing papers in PubMed
6.4field-weighted citation impact, top 3% 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

50 citing papers in PubMed, 105 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

5 authors at 2 institutions in 1 country.

S SalcherDepartment of Pediatrics II, Medical University Innsbruck, Innrain 66, A-6020, Innsbruck, Austria.
M HermannDepartment of Anesthesiology and Critical Care Medicine, Medical University Innsbruck, Innsbruck, Austria.
U Kiechl-KohlendorferDepartment of Pediatrics II, Medical University Innsbruck, Innrain 66, A-6020, Innsbruck, Austria.
M J AusserlechnerDepartment of Pediatrics I, Medical University Innsbruck, Innrain 66, A-6020, Innsbruck, Austria. Michael.J.Ausserlechner@i-med.ac.at.
P ObexerDepartment of Pediatrics II, Medical University Innsbruck, Innrain 66, A-6020, Innsbruck, Austria. Petra.Obexer@i-med.ac.at.
Innsbruck Medical University · ATTyrolean Cancer Research Institute · AT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundNeuroblastoma is the most common solid tumor in childhood and develops from undifferentiated progenitor cells of the sympathetic nervous system. In neuronal tumor cells DNA-damaging chemotherapeutic agents activate the transcription factor FOXO3 which regulates the formation of reactive oxygen species (ROS) and cell death as well as a longevity program associated with therapy resistance. We demonstrated before that C10ORF10/DEPP, a transcriptional target of FOXO3, localizes to peroxisomes and mitochondria and impairs cellular ROS detoxification. In the present study, we investigated the impact of FOXO3 and DEPP on the regulation of autophagy. Autophagy serves to reduce oxidative damage as it triggers a self-degradative process for the removal of aggregated or misfolded proteins and damaged organelles.

methodsThe effect of FOXO3 and DEPP on autophagy induction was analyzed using live cell fluorescence microscopy and immunoblot analyses of SH-EP cells transfected with a plasmid for EYFP-LC3 and with siRNAs specific for LC3, respectively. ROS steady-state levels were measured with reduced MitoTrackerRed CM-H2XROS. Cellular apoptosis was analyzed by flow cytometry and the caspase 3/7 assay.

resultsWe report for the first time that DEPP induces ROS accumulation and thereby mediates the formation of autophagosomes as inhibition of ROS formation by N-acetyl-cysteine completely blocks autophagy. We further demonstrate that H

conclusionTargeting FOXO3/DEPP-triggered autophagy is a promising strategy to sensitize neuroblastoma cells to chemotherapy.

Indexed as

ApoptosisAutophagyCell Line, TumorCell ProliferationCell SurvivalCyclin-Dependent Kinase Inhibitor p21DoxorubicinEtoposideExtracellular Signal-Regulated MAP KinasesForkhead Box Protein O3Gene ExpressionGene SilencingHumansIntracellular Signaling Peptides and ProteinsModels, BiologicalNeuroblastomaCyclin-Dependent Kinase Inhibitor p21DEPP1 protein, humanDoxorubicinEtoposideExtracellular Signal-Regulated MAP KinasesForkhead Box Protein O3Intracellular Signaling Peptides and ProteinsProteinsReactive Oxygen SpeciesRNA, Small InterferingAutophagyDEPPFOXO3Reactive oxygen species

Identifiers

PMID28545464
PMCPMC5445297
OpenAlexW2617110522

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LicenceCC BY
Read underepoch 390

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.