Evidence map›Paper›PMID 21972277›Full record

ArticleThe British journal of psychiatry : the journal of mental science2011

Polygenic dissection of the bipolar phenotype.

M L Hamshere, M C O'Donovan, I R Jones, L Jones, G Kirov, E K Green, V Moskvina, D Grozeva, N Bass, A McQuillin and 11 more

Open access · bronzeAbstract read
In one paragraph

Article in The British journal of psychiatry : the journal of mental science, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed, 1 pooled it
6.6field-weighted citation impact, top 3% 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

35 citing papers in PubMed, 1 synthesis or guideline pooled it, 74 citations in OpenAlex.

  1. Pooled it
  2. Family study of bipolar disorder with comorbid anxiety disorder points toPCN reports : psychiatry and clinical neurosciences · 2025
    Article
  3. Review
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Review
  13. Article
  14. Article
  15. Polygenic risk score: use in migraine research.The journal of headache and pain · 2018
    Review
  16. Article
  17. Article
  18. Polygenic Epidemiology.Genetic epidemiology · 2016
    Review
  19. Article
  20. Assessment of first and second degree relatives of individuals with bipolar disorder shows increased genetic risk scores in both affected relatives and young At-Risk Individuals.American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics · 2015
    Article
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

21 authors at 10 institutions in 4 countries.

M L HamshereMRC Centre for Neuropsychiatric Genetics and Genomics, Cardiff University, UK.
M C O'Donovan
I R Jones
L Jones
G Kirov
E K Green
V Moskvina
D Grozeva
N Bass
A McQuillin
H Gurling
D St Clair
A H Young
I N Ferrier
A Farmer
P McGuffin
P Sklar
S Purcell
P A Holmans
M J Owen
N Craddock
Cardiff University · GBBroad Institute · USKing's College London · GBInstitute of Medical Sciences · INInstitute of Mental Health · GBMental Health Research UK · GBRoyal Victoria Infirmary · GBUCL Australia · AUUniversity College London · GBUniversity of Birmingham · GB

Funding

Medical Research Council G0801418Medical Research Council G1000708Wellcome Trust 076113
6 · The paper itself

Abstract

backgroundRecent data provide strong support for a substantial common polygenic contribution (i.e. many alleles each of small effect) to genetic susceptibility for schizophrenia and overlapping susceptibility for bipolar disorder.

aimsTo test hypotheses about the relationship between schizophrenia and psychotic types of bipolar disorder.

methodUsing a polygenic score analysis to test whether schizophrenia polygenic risk alleles, en masse, significantly discriminate between individuals with bipolar disorder with and without psychotic features. The primary sample included 1829 participants with bipolar disorder and the replication sample comprised 506 people with bipolar disorder.

resultsThe subset of participants with Research Diagnostic Criteria schizoaffective bipolar disorder (n = 277) were significantly discriminated from the remaining participants with bipolar disorder (n = 1552) in both the primary (P = 0.00059) and the replication data-sets (P = 0.0070). In contrast, those with psychotic bipolar disorder as a whole were not significantly different from those with non-psychotic bipolar disorder in either data-set.

conclusionsGenetic susceptibility influences at least two major domains of psychopathological variation in the schizophrenia-bipolar disorder clinical spectrum: one that relates to expression of a 'bipolar disorder-like' phenotype and one that is associated with expression of 'schizophrenia-like' psychotic symptoms.

Indexed as

Genetic Predisposition to DiseaseMultifactorial InheritancePhenotypeAdolescentAllelesBipolar DisorderCase-Control StudiesDiagnostic and Statistical Manual of Mental DisordersGenetic LinkageGenotypeHumansInternational Classification of DiseasesLogistic ModelsPolymorphism, Single NucleotidePsychotic DisordersSchizophrenia

Identifiers

PMID21972277
PMCPMC3065773
OpenAlexW2077246048

What OpenQuestion holds

Textmetadata
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.