Evidence map›Paper›PMID 21316365›Full record

ArticleHormones and behavior2011

Chronotype changes during puberty depend on gonadal hormones in the slow-developing rodent, Octodon degus.

Megan Hastings Hagenauer, Jennifer HeeYoung Ku, Theresa M Lee

Abstract read
In one paragraph

Article in Hormones and behavior, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
1.5field-weighted citation impact, top 21% 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

16 citing papers in PubMed, 42 citations in OpenAlex.

  1. Review
  2. Review
  3. Sex differences in daily timekeeping and circadian clock circuits.Seminars in cell & developmental biology · 2022
    Review
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
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  11. Chronotype ontogeny related to gender.Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologica · 2014
    Article
  12. Review
  13. Article
  14. Review
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  16. 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

3 authors at 1 institution in 1 country.

Megan Hastings HagenauerNeuroscience Program, University of Michigan, Ann Arbor, MI 48109-0520, USA. hagenaue@umich.edu
Jennifer HeeYoung Ku
Theresa M Lee
University of Michigan–Ann Arbor · US

Funding

TRAINING PROGRAM IN REPRODUCTIVE ENDOCRINOLOGYT32HD007048 · NICHD · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI SMITH, GARY DANIEL · 1985 to 2009
$2.6M
ANIMAL MODEL FOR DIURNAL CIRCADIAN RHYTHMS--O DEGUSR01HL061667 · NHLBI · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI LEE, THERESA M · 1998 to 2000
$184k
NHLBI NIH HHS R01 HL061667NICHD NIH HHS T32 HD007048NICHD NIH HHS T32 HD07048
6 · The paper itself

Abstract

During puberty, human adolescents develop a later chronotype, exhibiting a delay in the timing of rest and activity as well as other daily physiological rhythms. The purpose of this study was to determine whether similar changes in chronotype occur during puberty in a laboratory rodent species, and, if so, to determine whether they are due to pubertal hormones acting on the circadian timekeeping system. To test this hypothesis, we carefully tracked daily activity rhythms across puberty in the slow-developing rodent Octodon degus. We confirmed that male degus showed a large reorganization of activity rhythms that correlated with secondary sex development during puberty, including a loss of bimodality and a 3-5 h phase-advance. Similar to humans, this circadian reorganization showed distinct sex differences, with females showing little change during puberty in two separate experiments. Prepubertal gonadectomy (GDX) eliminated the changes, whereas SHAM gonadectomy had little impact. Therefore, gonadal hormones are likely to play a role in pubertal changes in chronotype in this rodent species. Using evidence from a variety of species, including our recent studies in the rat, we conclude that chronotype changes during puberty are a well-demonstrated phenomenon in mammals.

Indexed as

Sexual MaturationAnimalsCircadian RhythmFemaleGonadal HormonesMaleOctodonOrchiectomyRunningSex FactorsSexual DevelopmentGonadal Hormones

Identifiers

PMID21316365
PMCPMC3112253
OpenAlexW2039002237

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.