Evidence map›Paper›PMID 28509901›Full record

ArticleTranslational psychiatry2017

A continuum of genetic liability for minor and major depression.

E C Corfield, Y Yang, N G Martin, D R Nyholt

Registry-linked trialAbstract read
In one paragraph

Article in Translational psychiatry, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04780152 (Assessment of Efficacy and Safety of Anodal Transcranial Direct Current Stimulation), which is not on this map. Cited by 30 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed, 5 pooled it
–field-weighted citation impact
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.

NCT04780152 phase2 / phase3unknown statusnot on this mapstarted 2021, after this paper: background citation

Assessment of Efficacy and Safety of Anodal Transcranial Direct Current Stimulation (TDCS) in Pediatric and Teenage Patients With Major Depressive Disorder During COVID-19 Pandemics

TypeinterventionalSponsorEl Instituto Nacional de Neurologia y Neurocirugia Manuel Velasco SuarezRan2021 to 2022Enrolled172ConditionsMajor Depressive DisorderArmsTranscranial Direct Current Stimulation, Placebo-simulation of transcranial direct current stimulation, Fluoxetine Tablets
3 · Its place in the literature

Who cites it

30 citing papers in PubMed, 5 syntheses or guidelines pooled it.

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  5. Common variants on 6q16.2, 12q24.31 and 16p13.3 are associated with major depressive disorder.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2018
    Pooled it
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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

4 authors.

E C CorfieldFaculty of Health, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, Australia.
Y YangFaculty of Health, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, Australia.
N G MartinQIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.
D R NyholtFaculty of Health, Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, Australia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The recent success of a large genome-wide association (GWA) study-analysing 130 620 major depression cases and 347 620 controls-in identifying the first single-nucleotide polymorphism (SNP) loci robustly associated with major depression in Europeans confirms that immense sample sizes are required to identify risk loci for depression. Given the phenotypic similarity between major depressive disorder (MDD) and the less severe minor depressive disorder (MiDD), we hypothesised that broadening the case definition to include MiDD may be an efficient approach to increase sample sizes in GWA studies of depression. By analysing two large twin pair cohorts, we show that minor depression and major depression lie on a single genetic continuum, with major depression being more severe but not aetiologically distinct from minor depression. Furthermore, we estimate heritabilities of 37% for minor depression, 46% for major depression and 48% for minor or major depression in a cohort of older adults (aged 50-92). However, the heritability of minor or major depression was estimated at 40% in a cohort of younger adults (aged 23-38). Moreover, two robust major depression-risk SNPs nominally associated with major depression in our Australian GWA data set produced more significant evidence for association with minor or major depression. Hence, broadening the case phenotype in GWA studies to include subthreshold definitions, such as MiDD, should facilitate the identification of additional genetic risk loci for depression.

Indexed as

AdultAgedAged, 80 and overAustraliaCluster AnalysisDepressionFemaleGenetic LociGenome-Wide Association StudyHumansMajor Depressive DisorderMaleMiddle AgedPhenotypePolymorphism, Single NucleotidePrevalence

Identifiers

PMID28509901
PMCPMC5534967

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Registered trials

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.