Evidence map›Paper›PMID 21386998›Full record

ArticlePloS one2011

Ghrelin, sleep reduction and evening preference: relationships to CLOCK 3111 T/C SNP and weight loss.

Marta Garaulet, Carmen Sánchez-Moreno, Caren E Smith, Yu-Chi Lee, Francisco Nicolás, Jose M Ordovás

Open access · goldAbstract readMulticenter Study
In one paragraph

Article in PloS one, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
55citing papers in PubMed, 1 pooled it
5.7field-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

55 citing papers in PubMed, 1 synthesis or guideline pooled it, 129 citations in OpenAlex.

  1. Food Intake According to Clock Gene Polymorphisms: A Systematic Review.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2025
    Pooled it
  2. Trial
  3. Trial
  4. Article
  5. Article
  6. Article
  7. Review
  8. Article
  9. Genetic Variants inNutrients · 2023
    Article
  10. NAMPT-dependent NADProceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  11. Chrono-Nutrition: Circadian Rhythm and Personalized Nutrition.International journal of molecular sciences · 2023
    Review
  12. Review
  13. Article
  14. Article
  15. Review
  16. Article
  17. Article
  18. Review
  19. Article
  20. Journal of personalized medicine · 2021
    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

6 authors at 5 institutions in 2 countries.

Marta GarauletDepartment of Physiology, Faculty of Biology, University of Murcia, Murcia, Spain. garaulet@um.es
Carmen Sánchez-Moreno
Caren E Smith
Yu-Chi Lee
Francisco Nicolás
Jose M Ordovás
Universidad de Murcia · ESHospital Universitario Virgen de la Arrixaca · ESJean Mayer Human Nutrition Research Center on Aging · USSpanish National Centre for Cardiovascular Research · ESTufts University · US

Funding

GENE/DIET EFFECTS ON PLASMA LIPOPROTEIN LEVELSR01HL054776 · NHLBI · TUFTS UNIVERSITY BOSTON · PI ORDOVAS, JOSE M. · 1996 to 2010
$2.6M
PAT PROTEINS: GENE-DIET INTERACTIONS OBESITY RISK AND HEALTHR01DK075030 · NIDDK · TUFTS UNIVERSITY BOSTON · PI ORDOVAS, JOSE M. · 2007 to 2009
$989k
NHLBI NIH HHS HL-54776NHLBI NIH HHS R01 HL054776NIDDK NIH HHS DK075030NIDDK NIH HHS R01 DK075030NIMHD NIH HHS L60 MD003562
6 · The paper itself

Abstract

backgroundCircadian Locomotor Output Cycles Kaput (CLOCK), an essential element of the positive regulatory arm in the human biological clock, is involved in metabolic regulation. The aim was to investigate the behavioral (sleep duration, eating patterns and chronobiological characteristics) and hormonal (plasma ghrelin and leptin concentrations) factors which could explain the previously reported association between the CLOCK 3111T/C SNP and weight loss. METHODOLOGY/PRINCIPAL

findingsWe recruited 1495 overweight/obese subjects (BMI: 25-40 kg/m(2)) of 20-65 y. who attended outpatient obesity clinics in Murcia, in southeastern Spain. We detected an association between the CLOCK 3111T/C SNP and weight loss, which was particularly evident after 12-14 weeks of treatment (P = 0.038). Specifically, carriers of the minor C allele were more resistant to weight loss than TT individuals (Mean±SEM) (8.71±0.59 kg vs 10.4±0.57 kg) C and TT respectively. In addition, our data show that minor C allele carriers had: 1. shorter sleep duration Mean ± SEM (7.0±0.05 vs 7.3±0.05) C and TT respectively (P = 0.039), 2. higher plasma ghrelin concentrations Mean ± SEM (pg/ml) (1108±49 vs 976±47)(P = 0.034); 3. delayed breakfast time; 4. evening preference and 5. less compliance with a Mediterranean Diet pattern, as compared with TT homozygotes. CONCLUSIONS/SIGNIFICANCE: Sleep reduction, changes in ghrelin values, alterations of eating behaviors and evening preference that characterized CLOCK 3111C carriers could be affecting weight loss. Our results support the hypothesis that the influence of the CLOCK gene may extend to a broad range of variables linked with human behaviors.

Indexed as

AdultAgedCLOCK ProteinsFeeding BehaviorFemaleGhrelinHumansMaleMiddle AgedObesityOverweightPolymorphism, Single NucleotideSleepSleep Wake DisordersSurveys and QuestionnairesWeight LossCLOCK protein, humanCLOCK ProteinsGhrelin

Identifiers

PMID21386998
PMCPMC3046145
OpenAlexW2017308863

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.