Evidence map›Paper›PMID 25885685›Full record

ArticleThe European journal of neuroscience2015

Role of vasoactive intestinal peptide in the light input to the circadian system.

Andrew Vosko, Hester C van Diepen, Dika Kuljis, Andrew M Chiu, Djai Heyer, Huub Terra, Ellen Carpenter, Stephan Michel, Johanna H Meijer, Christopher S Colwell

Open access · greenAbstract read
In one paragraph

Article in The European journal of neuroscience, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
1.0field-weighted citation impact, top 28% 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

22 citing papers in PubMed, 37 citations in OpenAlex.

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  18. SCN VIP Neurons Are Essential for Normal Light-Mediated Resetting of the Circadian System.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2018
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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

10 authors at 5 institutions in 2 countries.

Andrew VoskoDepartment of Structural Medicine, Rocky Vista University, Parker, CO, USA.
Hester C van DiepenLaboratory of Neurophysiology, Department of Molecular Cell Biology, Leiden University Medical Center, Leiden, the Netherlands.
Dika KuljisDepartment of Psychiatry & Biobehavioral Sciences, University of California - Los Angeles, Los Angeles, CA, 90024, USA.
Andrew M ChiuMedical Scientist Training Program, Northwestern University, Evanston, IL, USA.
Djai HeyerLaboratory of Neurophysiology, Department of Molecular Cell Biology, Leiden University Medical Center, Leiden, the Netherlands.
Huub TerraLaboratory of Neurophysiology, Department of Molecular Cell Biology, Leiden University Medical Center, Leiden, the Netherlands.
Ellen CarpenterDepartment of Psychiatry & Biobehavioral Sciences, University of California - Los Angeles, Los Angeles, CA, 90024, USA.
Stephan MichelLaboratory of Neurophysiology, Department of Molecular Cell Biology, Leiden University Medical Center, Leiden, the Netherlands.
Johanna H MeijerLaboratory of Neurophysiology, Department of Molecular Cell Biology, Leiden University Medical Center, Leiden, the Netherlands.
Christopher S ColwellDepartment of Psychiatry & Biobehavioral Sciences, University of California - Los Angeles, Los Angeles, CA, 90024, USA.
Leiden University Medical Center · NLNeurobehavioral Systems · USNorthwestern University · USRocky Vista University · USUniversity of California, Los Angeles · US

Funding

Neuroendocrinology, Sex Differences, and ReproductionT32HD007228 · NICHD · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI ARNOLD, ARTHUR P · 1985 to 2015
$3.9M
Neuropeptides and the Mammalian Circadian SystemR01NS043169 · NINDS · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI COLWELL, CHRISTOPHER SCOTT · 2003 to 2007
$1.8M
NICHD NIH HHS T32 HD007228NICHD NIH HHS T32 HD07228NINDS NIH HHS R01 NS043169
6 · The paper itself

Abstract

The neuropeptide vasoactive intestinal peptide (VIP) is expressed at high levels in a subset of neurons in the ventral region of the suprachiasmatic nucleus (SCN). While VIP is known to be important for the synchronization of the SCN network, the role of VIP in photic regulation of the circadian system has received less attention. In the present study, we found that the light-evoked increase in electrical activity in vivo was unaltered by the loss of VIP. In the absence of VIP, the ventral SCN still exhibited N-methyl-d-aspartate-evoked responses in a brain slice preparation, although the absolute levels of neural activity before and after treatment were significantly reduced. Next, we used calcium imaging techniques to determine if the loss of VIP altered the calcium influx due to retinohypothalamic tract stimulation. The magnitude of the evoked calcium influx was not reduced in the ventral SCN, but did decline in the dorsal SCN regions. We examined the time course of the photic induction of Period1 in the SCN using in situ hybridization in VIP-mutant mice. We found that the initial induction of Period1 was not reduced by the loss of this signaling peptide. However, the sustained increase in Period1 expression (after 30 min) was significantly reduced. Similar results were found by measuring the light induction of cFOS in the SCN. These findings suggest that VIP is critical for longer-term changes within the SCN circuit, but does not play a role in the acute light response.

Indexed as

LightAction PotentialsAnimalsCalciumDarknessExcitatory Amino Acid AgonistsGene Expression RegulationMaleMiceMice, Inbred C57BLMice, TransgenicMolecular Sequence DataNerve NetNeuronsN-MethylaspartateOncogene Proteins v-fosCalciumExcitatory Amino Acid AgonistsN-MethylaspartateOncogene Proteins v-fosPer1 protein, mousePeriod Circadian ProteinsVasoactive Intestinal PeptidecalciumcFOSmouseNMDAPeriod1suprachiasmatic nucleus

Identifiers

PMID25885685
PMCPMC4509820
OpenAlexW2010323016

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.