Evidence map›Paper›PMID 27362940›Full record

ArticlePloS one2016

Melatonin Signal Transduction Pathways Require E-Box-Mediated Transcription of Per1 and Per2 to Reset the SCN Clock at Dusk.

Patty C Kandalepas, Jennifer W Mitchell, Martha U Gillette

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed
3.9field-weighted citation impact, top 6% 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

42 citing papers in PubMed, 82 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Article
  5. Review
  6. Review
  7. Reviewing the complex relationship between circadian rhythms and cluster headache.Cephalalgia : an international journal of headache · 2025
    Review
  8. Review
  9. Article
  10. Endocrine regulation of circadian rhythms.Npj biological timing and sleep · 2025
    Review
  11. Article
  12. [Mechanism of melatonin regulating the expression level of rhythm genes to alleviate interstitial pulmonary fibrosis].Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences · 2024
    Article
  13. Circadian Effects of Melatonin Receptor-Targeting Molecules In Vitro.International journal of molecular sciences · 2024
    Article
  14. Article
  15. Review
  16. Review
  17. Observational
  18. Review
  19. Role of Melatonin in Cancer: Effect on Clock Genes.International journal of molecular sciences · 2023
    Review
  20. 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

3 authors at 1 institution in 1 country.

Patty C KandalepasNeuroscience Program, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, United States of America.
Jennifer W MitchellDepartment of Cell and Developmental Biology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, United States of America.
Martha U GilletteNeuroscience Program, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, United States of America.
University of Illinois Urbana-Champaign · US

Funding

Actin-based Neuronal State ChangesR01HL086870 · NHLBI · UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN · PI GILLETTE, MARTHA U · 2007 to 2010
$1.6M
NHLBI NIH HHS R01 HL086870
6 · The paper itself

Abstract

Melatonin is released from the pineal gland into the circulatory system at night in the absence of light, acting as "hormone of darkness" to the brain and body. Melatonin also can regulate circadian phasing of the suprachiasmatic nucleus (SCN). During the day-to-night transition, melatonin exposure advances intrinsic SCN neural activity rhythms via the melatonin type-2 (MT2) receptor and downstream activation of protein kinase C (PKC). The effects of melatonin on SCN phasing have not been linked to daily changes in the expression of core genes that constitute the molecular framework of the circadian clock. Using real-time RT-PCR, we found that melatonin induces an increase in the expression of two clock genes, Period 1 (Per1) and Period 2 (Per2). This effect occurs at CT 10, when melatonin advances SCN phase, but not at CT 6, when it does not. Using anti-sense oligodeoxynucleotides (α ODNs) to Per 1 and Per 2, as well as to E-box enhancer sequences in the promoters of these genes, we show that their specific induction is necessary for the phase-altering effects of melatonin on SCN neural activity rhythms in the rat. These effects of melatonin on Per1 and Per2 were mediated by PKC. This is unlike day-active non-photic signals that reset the SCN clock by non-PCK signal transduction mechanisms and by decreasing Per1 expression. Rather, this finding extends roles for Per1 and Per2, which are critical to photic phase-resetting, to a nonphotic zeitgeber, melatonin, and suggest that the regulation of these clock gene transcripts is required for clock resetting by diverse regulatory cues.

Indexed as

AnimalsBiological ClocksCircadian RhythmE-Box ElementsGene Expression RegulationMaleMelatoninPeriod Circadian ProteinsProtein Kinase CRatsReceptor, Melatonin, MT2Signal TransductionSuprachiasmatic NucleusTranscription, GeneticMelatoninPer1 protein, ratPer2 protein, ratPeriod Circadian ProteinsProtein Kinase CReceptor, Melatonin, MT2

Identifiers

PMID27362940
PMCPMC4928778
OpenAlexW2469260217

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.