Evidence map›Paper›PMID 19164523›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2009

The conserved NAD(H)-dependent corepressor CTBP-1 regulates Caenorhabditis elegans life span.

Shuzhen Chen, Johnathan R Whetstine, Salil Ghosh, John A Hanover, Reddy R Gali, Paul Grosu, Yang Shi

Open access · greenAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2009. 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
2.3field-weighted citation impact, top 11% 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, 66 citations in OpenAlex.

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  12. C-Terminus of E1A Binding Protein 1 Stimulates Malignant Phenotype in Human Hepatocellular Carcinoma.Medical science monitor : international medical journal of experimental and clinical research · 2019
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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

7 authors at 3 institutions in 1 country.

Shuzhen ChenDepartment of Pathology, Harvard Medical School, 77 Ave Louis Pasteur, Boston MA 02115, USA.
Johnathan R Whetstine
Salil Ghosh
John A Hanover
Reddy R Gali
Paul Grosu
Yang Shi
Harvard University · USNational Institute of Diabetes and Digestive and Kidney Diseases · USNational Institutes of Health · US

Funding

Targeted disruption the enzymes of O-GlcNAc cycling: Animal models of DiseaseZIADK060101 · NIDDK · NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES · PI HANOVER, JOHN A. · 2009 to 2025
$25.7M
Investigation of an unconventional co-repressor complexR01GM071004 · NIGMS · HARVARD UNIVERSITY (MEDICAL SCHOOL) · PI SHI, YANG · 2004 to 2012
$2.7M
Targeted disruption the enzymes of O-GlcNAc cycling: Animal models of DiseaseZ01DK060101 · NIDDK · NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES · PI HANOVER, JOHN A. · 2007 to 2008
$744k
The Role of Chromatin Modification During DevelopmentF32GM070095 · NIGMS · HARVARD UNIVERSITY (MEDICAL SCHOOL) · PI WHETSTINE, JOHNATHAN R. · 2004 to 2006
$142k
NIGMS NIH HHS F32 GM070095NIGMS NIH HHS GM 071004NIGMS NIH HHS R01 GM071004
6 · The paper itself

Abstract

CtBP (C-terminal binding protein) is an evolutionarily conserved NAD(H)-dependent transcriptional corepressor, whose activity has been shown to be regulated by the NAD/NADH ratio. Although recent studies have provided significant new insights into mechanisms by which CtBP regulates transcription, the biological function of CtBP remains incompletely understood. Here, we report that genetic inactivation of the Caenorhabditis elegans homolog, ctbp-1, results in life span extension, which is suppressed by reintroduction of the ctbp-1 genomic DNA encoding wild-type but not NAD(H)-binding defective CTBP-1 protein. We show that CTBP-1 possibly modulates aging through the insulin/IGF-1 signaling pathway, dependent on the forkhead transcription factor DAF-16, but independent of the NAD-dependent histone deacetylase SIR-2.1. Genome-wide microarray analysis identifies >200 potential CTBP-1 target genes. Importantly, RNAi inhibition of a putative triacylglycerol lipase gene lips-7(C09E8.2) but not another lipase suppresses the life span extension phenotype. Consistently, metabolic analysis shows that the triacylglycerol level is reduced in the ctbp-1 deletion mutant, which is restored to the wild-type level by RNAi inhibition of lips-7. Taken together, our data suggest that CTBP-1 controls life span probably through the regulation of lipid metabolism.

Indexed as

AgingAnimalsCaenorhabditis elegansCaenorhabditis elegans ProteinsForkhead Transcription FactorsInsulinInsulin-Like Growth Factor ILongevityNADRepressor ProteinsRNA InterferenceSignal TransductionSirtuinsTranscription FactorsTriglyceridesCaenorhabditis elegans ProteinsCTBP-1 protein, C elegansdaf-16 protein, C elegansForkhead Transcription FactorsInsulinInsulin-Like Growth Factor INADRepressor ProteinsSIR-2.1 protein, C elegansSirtuinsTranscription FactorsTriglycerides

Identifiers

PMID19164523
PMCPMC2635826
OpenAlexW2129525601

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.