Evidence map›Paper›PMID 25964318›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2015

Prolonged daily light exposure increases body fat mass through attenuation of brown adipose tissue activity.

Sander Kooijman, Rosa van den Berg, Ashna Ramkisoensing, Mariëtte R Boon, Eline N Kuipers, Marieke Loef, Tom C M Zonneveld, Eliane A Lucassen, Hetty C M Sips, Iliana A Chatzispyrou and 5 more

Open access · greenAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 70 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
70citing papers in PubMed, 2 pooled it
7.7field-weighted citation impact, top 2% 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

70 citing papers in PubMed, 2 syntheses or guidelines pooled it, 145 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Trial
  4. Trial
  5. Trial
  6. Observational
  7. Article
  8. Article
  9. Article
  10. Liver clock: Malalignment and entrainment therapeutics.World journal of gastrointestinal pharmacology and therapeutics · 2026
    Review
  11. Interaction Between Photoperiod and Sex on Hepatic Lipid Homeostasis in Rats Fed an Obesogenic Diet.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2025
    Article
  12. Article
  13. Article
  14. Review
  15. Article
  16. Article
  17. Article
  18. Review
  19. Article
  20. The inhalation effect ofFood chemistry: X · 2024
    Article

10 more citing papers are in PubMed but not listed here.

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

15 authors at 2 institutions in 1 country.

Sander KooijmanDepartment of Medicine, Division of Endocrinology, Einthoven Laboratory for Experimental Vascular Medicine, and s.kooijman@lumc.nl.
Rosa van den BergDepartment of Medicine, Division of Endocrinology, Einthoven Laboratory for Experimental Vascular Medicine, and.
Ashna RamkisoensingDepartment of Molecular Cell Biology, Leiden University Medical Center, Leiden 2333ZA, The Netherlands; and.
Mariëtte R BoonDepartment of Medicine, Division of Endocrinology, Einthoven Laboratory for Experimental Vascular Medicine, and.
Eline N KuipersDepartment of Medicine, Division of Endocrinology, Einthoven Laboratory for Experimental Vascular Medicine, and.
Marieke LoefDepartment of Medicine, Division of Endocrinology, Einthoven Laboratory for Experimental Vascular Medicine, and.
Tom C M ZonneveldDepartment of Medicine, Division of Endocrinology, Einthoven Laboratory for Experimental Vascular Medicine, and.
Eliane A LucassenDepartment of Molecular Cell Biology, Leiden University Medical Center, Leiden 2333ZA, The Netherlands; and.
Hetty C M SipsDepartment of Medicine, Division of Endocrinology, Einthoven Laboratory for Experimental Vascular Medicine, and.
Iliana A ChatzispyrouLaboratory of Genetic Metabolic Diseases, Academic Medical Center, Amsterdam 1105AZ, The Netherlands.
Riekelt H HoutkooperLaboratory of Genetic Metabolic Diseases, Academic Medical Center, Amsterdam 1105AZ, The Netherlands.
Johanna H MeijerDepartment of Molecular Cell Biology, Leiden University Medical Center, Leiden 2333ZA, The Netherlands; and.
Claudia P CoomansDepartment of Molecular Cell Biology, Leiden University Medical Center, Leiden 2333ZA, The Netherlands; and.
Nienke R BiermaszDepartment of Medicine, Division of Endocrinology, Einthoven Laboratory for Experimental Vascular Medicine, and.
Patrick C N RensenDepartment of Medicine, Division of Endocrinology, Einthoven Laboratory for Experimental Vascular Medicine, and.
Leiden University Medical Center · NLAcademic Medical Center · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Disruption of circadian rhythmicity is associated with obesity and related disorders, including type 2 diabetes and cardiovascular disease. Specifically, prolonged artificial light exposure associates with obesity in humans, although the underlying mechanism is unclear. Here, we report that increasing the daily hours of light exposure increases body adiposity through attenuation of brown adipose tissue (BAT) activity, a major contributor of energy expenditure. Mice exposed to a prolonged day length of 16- and 24-h light, compared with regular 12-h light, showed increased adiposity without affecting food intake or locomotor activity. Mechanistically, we demonstrated that prolonged day length decreases sympathetic input into BAT and reduces β3-adrenergic intracellular signaling. Concomitantly, prolonging day length decreased the uptake of fatty acids from triglyceride-rich lipoproteins, as well as of glucose from plasma selectively by BAT. We conclude that impaired BAT activity is an important mediator in the association between disturbed circadian rhythm and adiposity, and anticipate that activation of BAT may overcome the adverse metabolic consequences of disturbed circadian rhythmicity.

Indexed as

PhotoperiodAdipose TissueAdipose Tissue, BrownAdiposityAnimalsBlood GlucoseChronobiology DisordersCircadian RhythmEatingEnergy MetabolismFatty AcidsLipoproteinsMaleMiceMice, Inbred C57BLModels, BiologicalBlood GlucoseFatty AcidsLipoproteinslipoprotein triglycerideReceptors, Adrenergic, beta-3Triglyceridesbrown adipose tissuecircadian rhythmslight pollutionobesitytriglyceride metabolism

Identifiers

PMID25964318
PMCPMC4450411
OpenAlexW2120713557

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.