Evidence map›Paper›PMID 26498712›Full record

ArticleBMC medical genetics2015

Genetics, sleep and memory: a recall-by-genotype study of ZNF804A variants and sleep neurophysiology.

Charlotte Hellmich, Claire Durant, Matthew W Jones, Nicholas J Timpson, Ullrich Bartsch, Laura J Corbin

Open access · goldAbstract read
In one paragraph

Article in BMC medical genetics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed, 2 pooled it
0.7field-weighted citation impact, top 31% 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

7 citing papers in PubMed, 2 syntheses or guidelines pooled it, 10 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Review
  4. Article
  5. Article
  6. Article
  7. 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

6 authors at 1 institution in 1 country.

Charlotte HellmichSchool of Physiology and Pharmacology, University of Bristol, Bristol, UK. charlotte.hellmich@googlemail.com.
Claire DurantClinical Research and Imaging Centre (CRICBristol), University of Bristol, Bristol, UK. Claire.Durant@bristol.ac.uk.
Matthew W JonesSchool of Physiology and Pharmacology, University of Bristol, Bristol, UK. Matt.Jones@bristol.ac.uk.
Nicholas J TimpsonMRC Integrative Epidemiology Unit at University of Bristol, Bristol, UK. N.J.Timpson@bristol.ac.uk.
Ullrich BartschSchool of Physiology and Pharmacology, University of Bristol, Bristol, UK. Ullrich.Bartsch@bristol.ac.uk.
Laura J CorbinMRC Integrative Epidemiology Unit at University of Bristol, Bristol, UK. laura.corbin@bristol.ac.uk.
University of Bristol · GB

Funding

Medical Research Council G1002064Medical Research Council MC_PC_15018Medical Research Council MC_UU_12013/3Wellcome Trust 102215Wellcome Trust 102215/2/13/2
6 · The paper itself

Abstract

backgroundSchizophrenia is a complex, polygenic disorder for which over 100 genetic variants have been identified that correlate with diagnosis. However, the biological mechanisms underpinning the different symptom clusters remain undefined. The rs1344706 single nucleotide polymorphism within ZNF804A was among the first genetic variants found to be associated with schizophrenia. Previously, neuroimaging and cognitive studies have revealed several associations between rs1344706 and brain structure and function. The aim of this study is to use a recall-by-genotype (RBG) design to investigate the biological basis for the association of ZNF804A variants with schizophrenia. A RBG study, implemented in a population cohort, will be used to evaluate the impact of genetic variation at rs1344706 on sleep neurophysiology and procedural memory consolidation in healthy participants. METHODS/

designParticipants will be recruited from the Avon Longitudinal Study of Parents and Children (ALSPAC) on the basis of genotype at rs1344706 (n = 24). Each participant will be asked to take part in two nights of in-depth sleep monitoring (polysomnography) allowing collection of neurophysiological sleep data in a manner not amenable to large-scale study. Sleep questionnaires will be used to assess general sleep quality and subjective sleep experience after each in-house recording. A motor sequencing task (MST) will be performed before and after the second night of polysomnography. In order to gather additional data about habitual sleep behaviour participants will be asked to wear a wrist worn activity monitor (actiwatch) and complete a sleep diary for two weeks. DISCUSSION: This study will explore the biological function of ZNF804A genotype (rs1344706) in healthy volunteers by examining detailed features of sleep architecture and physiology in relation to motor learning. Using a RBG approach will enable us to collect precise and detailed phenotypic data whilst achieving an informative biological gradient. It would not be feasible to collect such data in the large sample sizes that would be required under a random sampling scheme. By dissecting the role of individual variants associated with schizophrenia in this way, we can begin to unravel the complex genetic mechanisms of psychiatric disorders and pave the way for future development of novel therapeutic approaches.

Indexed as

Polymorphism, Single NucleotideAdultBrainHealthy VolunteersHumansKruppel-Like Transcription FactorsLongitudinal StudiesMaleMemory ConsolidationMotor ActivityPilot ProjectsPolysomnographySchizophreniaSleepSurveys and QuestionnairesYoung AdultKruppel-Like Transcription FactorsZNF804A protein, human

Identifiers

PMID26498712
PMCPMC4619339
OpenAlexW2172542074

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.