Evidence map›Paper›PMID 25808059›Full record

ArticleAging cell2015

A peroxiredoxin, PRDX-2, is required for insulin secretion and insulin/IIS-dependent regulation of stress resistance and longevity.

Monika Oláhová, Elizabeth A Veal

Open access · goldAbstract read
In one paragraph

Article in Aging cell, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed
2.1field-weighted citation impact, top 14% 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

38 citing papers in PubMed, 68 citations in OpenAlex.

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  14. PMFrontiers in public health · 2023
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  18. Metabolic and behavioral effects of olanzapine and fluoxetine on the model organismSaudi pharmaceutical journal : SPJ : the official publication of the Saudi Pharmaceutical Society · 2021
    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 at 1 institution in 1 country.

Monika OláhováInstitute for Cell and Molecular Biosciences, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH, UK.
Elizabeth A VealInstitute for Cell and Molecular Biosciences, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH, UK.
Newcastle University · GB

Funding

Mechanisms of Environmental and Nuclear and Mitochondrial MutagenesisR01ES019319 · NIEHS · FRED HUTCHINSON CANCER RESEARCH CENTER · PI BIELAS, JASON H · 2010 to 2014
$2.5M
Medical Research Council G0800082NIEHS NIH HHS R01ES019319
6 · The paper itself

Abstract

Peroxiredoxins (Prx) are abundant thiol peroxidases with a conserved anti-ageing role. In contrast to most animals, the nematode worm, Caenorhabditis elegans, encodes a single cytosolic 2-Cys Prx, PRDX-2, rendering it an excellent model for examining how peroxiredoxins affect animal physiology and ageing. Our previous work revealed that, although PRDX-2 protects against the toxicity of peroxides, enigmatically, prdx-2-mutant animals are hyper-resistant to other forms of oxidative stress. Here, we have investigated the basis for this increased resistance. Mammalian FOXO and Nrf2 transcription factors directly promote the expression of a range of detoxification enzymes. We show that the FOXO orthologue, DAF-16, and the Nrf2 orthologue, SKN-1, are required for the increased stress resistance of prdx-2-mutant worms. Our data suggest that PRDX-2 is required for normal levels of insulin secretion and hence the inhibition of DAF-16 and SKN-1 by insulin/IGF-1-like signalling (IIS) under nutrient-rich conditions. Intriguingly, loss of PRDX-2 increases DAF-16 and SKN-1 activities sufficiently to increase arsenite resistance without initiating other IIS-inhibited processes. Together, these data suggest that loss of peroxiredoxin function may increase stress resistance by reducing insulin secretion, but that further changes in insulin signalling are required for the reprogramming of development and fat metabolism. In addition, we reveal that the temperature-dependent prolongevity function of PRDX-2 is required for the extended lifespan associated with several pathways, including further reductions in IIS.

Indexed as

AgingAnimalsArsenitesCaenorhabditis elegansCaenorhabditis elegans ProteinsDNA-Binding ProteinsForkhead Transcription FactorsGene Expression RegulationInsulinInsulin-Like Growth Factor IInsulin SecretionLarvaLipid MetabolismLongevityOxidative StressPeroxiredoxinsarseniteArsenitesCaenorhabditis elegans Proteinsdaf-16 protein, C elegansDNA-Binding ProteinsForkhead Transcription FactorsInsulinInsulin-Like Growth Factor IPeroxiredoxinsPRDX-2 protein, C elegansskn-1 protein, C elegansTranscription FactorsantioxidantsarseniteFOXOinsulin signallingNrf2oxidative stress

Identifiers

PMID25808059
PMCPMC4531070
OpenAlexW2003376000

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.