Evidence map›Paper›PMID 19228789›Full record

ReviewThe journals of gerontology. Series A, Biological sciences and medical sciences2009

Biological approaches to mechanistically understand the healthy life span extension achieved by calorie restriction and modulation of hormones.

Nir Barzilai, Andrzej Bartke

Abstract readReview
In one paragraph

Review in The journals of gerontology. Series A, Biological sciences and medical sciences, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
–field-weighted citation impact
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

32 citing papers in PubMed.

  1. Trial
  2. Design and conduct of the CALERIE study: comprehensive assessment of the long-term effects of reducing intake of energy.The journals of gerontology. Series A, Biological sciences and medical sciences · 2011
    Trial
  3. Review
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  18. The place of genetics in ageing research.Nature reviews. Genetics · 2012
    Review
  19. Article
  20. Nectarine promotes longevity in Drosophila melanogaster.Free radical biology & medicine · 2011
    Article
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.

Nir BarzilaiInstitute for Aging Research, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY 10461, USA. barzilai@aecom.yu.edu
Andrzej Bartke

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Calorie restriction and reduced somatotropic (growth hormone and insulin-like growth factor-1) signaling have a widespread though not universal ability to extend life. These interventions are considered central tools to understanding the downstream events that lead to the increase in healthy life span. As these approaches have been validated, the animals phenotyped, and the mechanisms proposed, many challenges have emerged. In this article, we give several examples and propose several considerations, opportunities, and approaches that may identify major mechanisms through which these interventions exert their effects, and which may lead to drug therapy to increase "health span."

Indexed as

Health StatusAgingAnimalsCaloric RestrictionGeriatricsGrowth HormoneHumansInsulin-Like Growth Factor ILife ExpectancyLife StyleLongevityMiceModels, AnimalSensitivity and SpecificityGrowth HormoneInsulin-Like Growth Factor I

Identifiers

PMID19228789
PMCPMC2655014

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.