Evidence map›Paper›PMID 19627272›Full record

ArticleAging cell2009

Lifespan extension by dietary restriction is not linked to protection against somatic DNA damage in Drosophila melanogaster.

Ursula Edman, Ana Maria Garcia, Rita A Busuttil, Dylan Sorensen, Martha Lundell, Pankaj Kapahi, Jan Vijg

Open access · bronzeAbstract read
In one paragraph

Article in Aging cell, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
1.6field-weighted citation impact, top 18% 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

15 citing papers in PubMed, 38 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Sex Differences in Aging: Genomic Instability.The journals of gerontology. Series A, Biological sciences and medical sciences · 2018
    Review
  7. Article
  8. Article
  9. Article
  10. Article
  11. Review
  12. Article
  13. Evolution of the mutation rate.Trends in genetics : TIG · 2010
    Article
  14. Article
  15. Review
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 2 countries.

Ursula EdmanBuck Institute for Age Research, 8001 Redwood Blvd., Novato, CA 94945, USA.
Ana Maria Garcia
Rita A Busuttil
Dylan Sorensen
Martha Lundell
Pankaj Kapahi
Jan Vijg
Buck Institute for Research on Aging · USThe University of Texas at San Antonio · USAlbert Einstein College of Medicine · US

Funding

Mutation accumulation in mice of extended life spanR01AG020438 · NIA · UNIVERSITY OF TEXAS HLTH SCI CTR SAN ANT · PI VIJG, JAN · 2001 to 2009
$3.1M
Stochastic aspects of aging (5 of 11)RL1AG032117 · NIA · BUCK INSTITUTE FOR RESEARCH ON AGING · PI VIJG, JAN · 2007 to 2011
$2.0M
NCRR NIH HHS U54 RR024346NIA NIH HHS AG18923NIA NIH HHS R01 AG020438NIA NIH HHS RL1 AG032117
6 · The paper itself

Abstract

Dietary restriction (DR) has been shown to robustly extend lifespan in multiple species tested so far. The pro-longevity effect of DR is often ascribed to an increase in cellular defense against somatic damage, most notably damage by reactive oxygen species (ROS), considered a major cause of aging. Especially irreversible damage to DNA, the carrier of genetic information, is considered a critical causal factor in aging. Using a recently developed transgenic Drosophila melanogaster model system harboring a lacZ-plasmid construct that can be recovered in E. coli, spontaneous DNA mutation frequency in flies under DR and ad libitum conditions are measured. Three different DR conditions, imposed by manipulating levels of different types of yeast sources, were tested in females and males of two lacZ reporter gene lines. Feeding with the ROS producer paraquat at 1 mM resulted in a rapid accumulation of somatic mutations, indicating that the frequency of mutations at the lacZ locus is a reliable marker for increased oxidative stress. However, none of the DR conditions altered the accumulation of spontaneous mutations with age. These results suggest that the beneficial effects of DR are unlikely to be linked to protection against oxidative somatic DNA damage.

Indexed as

DietDNA DamageAnimalsDrosophila melanogasterFemaleGenes, ReporterLongevityMaleMutationParaquatParaquat

Identifiers

PMID19627272
PMCPMC2917806
OpenAlexW1716422251

What OpenQuestion holds

Textmetadata
LicenceTDM
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.