Evidence map›Paper›PMID 29788757›Full record

ArticleJournal of behavioral addictions2018

Expression of NMDA receptor subunits in human blood lymphocytes: A peripheral biomarker in online computer game addiction.

Mitra-Sadat Sadat-Shirazi, Nasim Vousooghi, Bentolhoda Alizadeh, Seyed Mohammad Makki, Seyed Zeinolabedin Zarei, Shahrzad Nazari, Mohammad Reza Zarrindast

Open access · goldAbstract read
In one paragraph

Article in Journal of behavioral addictions, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
4.8field-weighted citation impact, top 5% 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

9 citing papers in PubMed, 17 citations in OpenAlex.

  1. Review
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  7. Transcriptome-wide association study of post-trauma symptom trajectories identified GRIN3B as a potential biomarker for PTSD development.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2021
    Article
  8. mRNA Levels of MAOA and 5-HTFrontiers in psychiatry · 2021
    Article
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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

7 authors at 4 institutions in 2 countries.

Mitra-Sadat Sadat-Shirazi1 Department of Neuroscience, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences , Tehran, Iran.
Nasim Vousooghi1 Department of Neuroscience, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences , Tehran, Iran.
Bentolhoda Alizadeh4 Department of Biology, Pharmaceutical Sciences Branch, Islamic Azad University , Tehran, Iran.
Seyed Mohammad Makki5 Department of Psychiatry, School of Medicine, Shahid Beheshti University of Medical Sciences , Tehran, Iran.
Seyed Zeinolabedin Zarei6 Department of Neuroscience, Medical University of Vienna , Vienna, Austria.
Shahrzad Nazari2 Genetics Laboratory, Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences , Tehran, Iran.
Mohammad Reza Zarrindast2 Genetics Laboratory, Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences , Tehran, Iran.
Tehran University of Medical Sciences · IRIslamic Azad University Pharmaceutical Sciences Branch · IRMedical University of Vienna · ATShahid Beheshti University of Medical Sciences · IR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background and aims Repeated performance of some behaviors such as playing computer games could result in addiction. The NMDA receptor is critically involved in the development of behavioral and drug addictions. It has been claimed that the expression level of neurotransmitter receptors in the brain may be reflected in peripheral blood lymphocytes (PBLs). Methods Here, using a real-time PCR method, we have investigated the mRNA expression of GluN2A, GluN2D, GluN3A, and GluN3B subunits of the NMDA receptor in PBLs of male online computer game addicts (n = 25) in comparison with normal subjects (n = 26). Results Expression levels of GluN2A, GluN2D, and GluN3B subunits were not statistically different between game addicts and the control group. However, the mRNA expression of the GluN3A subunit was downregulated in PBLs of game addicts. Discussion and conclusions Transcriptional levels of GluN2A and GluN2D subunits in online computer game addicts are similar to our previously reported data of opioid addiction and are not different from the control group. However, unlike our earlier finding of drug addiction, the mRNA expression levels of GluN3A and GluN3B subunits in PBLs of game addicts are reduced and unchanged, respectively, compared with control subjects. It seems that the downregulated state of the GluN3A subunit of NMDA receptor in online computer game addicts is a finding that deserves more studies in the future to see whether it can serve as a peripheral biomarker in addiction studies, where the researcher wants to rule out the confusing effects of abused drugs.

Indexed as

Video GamesBehavior, AddictiveBiomarkersGene Expression RegulationHumansInternetLymphocytesMaleReal-Time Polymerase Chain ReactionReceptors, N-Methyl-D-AspartateRNA, MessengerYoung AdultBiomarkersReceptors, N-Methyl-D-AspartateRNA, MessengerlymphocytemRNA expressionNMDA receptoronline computer game addiction

Identifiers

PMID29788757
PMCPMC6174581
OpenAlexW2803311343

What OpenQuestion holds

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LicenceCC BY-NC
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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.