Cited by 2,263Genetic Associations and EpidemiologySchizophrenia research and treatmentGenetic Mapping and Diversity in Plants and Animals

Genetic relationship between five psychiatric disorders estimated from genome-wide SNPs

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Cross-Disorder Group of the Psychiatric Genomics Consortium·2013·Nature Genetics

Abstract

Most psychiatric disorders are moderately to highly heritable. The degree to which genetic variation is unique to individual disorders or shared across disorders is unclear. To examine shared genetic etiology, we use genome-wide genotype data from the Psychiatric Genomics Consortium (PGC) for cases and controls in schizophrenia, bipolar disorder, major depressive disorder, autism spectrum disorders (ASD) and attention-deficit/hyperactivity disorder (ADHD). We apply univariate and bivariate methods for the estimation of genetic variation within and covariation between disorders. SNPs explained 17-29% of the variance in liability. The genetic correlation calculated using common SNPs was high between schizophrenia and bipolar disorder (0.68 ± 0.04 s.e.), moderate between schizophrenia and major depressive disorder (0.43 ± 0.06 s.e.), bipolar disorder and major depressive disorder (0.47 ± 0.06 s.e.), and ADHD and major depressive disorder (0.32 ± 0.07 s.e.), low between schizophrenia and ASD (0.16 ± 0.06 s.e.) and non-significant for other pairs of disorders as well as between psychiatric disorders and the negative control of Crohn's disease. This empirical evidence of shared genetic etiology for psychiatric disorders can inform nosology and encourages the investigation of common pathophysiologies for related disorders.

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  • Twin and family studies consistently demonstrate that ASD has a particularly large genetic contribution, with estimated heritability ranging from ~40 to 90%.

    “Twin and family studies consistently demonstrate that ASD has a particularly large genetic contribution, with estimated heritability ranging from ~40 to 90% 31,32 .”

    From Autism spectrum disorder (2020) · cites this paper as [31]

    The Abstract says family and twin studies consistently find genetic contributions to psychiatric disorders, and the Discussion says the paper’s ASD SNP-based heritability estimate of 0.17 is considerably lower than family-study estimates. These passages support a substantial genetic contribution to ASD, but our copy does not give the claimed family-study heritability range of approximately 40–90%. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • SNP-based heritability of ADHD ranged between 10% and 28% according to SNP analysis studies.

    “However, other studies using single-nucleotide polymorphism (SNP) analysis have estimated that SNP-based heritability ranged between 10% and 28% [57].”

    From Molecular Characterisation of the Mechanism of Action of Stimulant Drugs Lisdexamfetamine and Methylphenidate on ADHD Neurobiology: A Review (2022) · cites this paper as [57]

    The Discussion reports an ADHD SNP-based heritability estimate of 0.28 (28%). The Results describe variation between ADHD subsets, but the passages found do not give a 10% estimate or establish a 10%–28% range. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • There is a surprising degree of overlap in genetic risk for overtly disparate neuropsychiatric phenotypes that remains to be further elucidated.

    “although there is also a surprising degree of overlap in genetic risk for overtly disparate neuropsychiatric phenotypes that remains to be further elucidated 31 .”

    From Autism spectrum disorder (2020) · cites this paper as [31]

  • Neurobiologically, ASD and schizophrenia share putative risk genes and may involve analogous abnormalities in the neuromodulatory regulation of postsynaptic gain.

    “Furthermore, neurobiologically, ASD and schizophrenia share putative risk genes (96) and may involve analogous abnormalities in the neuromodulatory regulation of postsynaptic gain, as described further below (3, 92).”
  • Recent findings suggest the possibility that not only single, but also aggregate molecular genetic risk factors, linked in particular to alterations in calcium-channel signaling, are shared between autism and four other psychiatric disorders (schizophrenia, attention-deficit hyperactivity disorder, bipolar disorder, and major depressive disorder).

    “Recent findings suggest the possibility that not only single, but also aggregate molecular genetic risk factors, linked in particular to alterations in calcium-channel signaling, are shared between autism and four other psychiatric disorders (schizophrenia, attention-deficit hyperactivity disorder, bipolar disorder, and major depressive disorder) (45, 46).”

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Authors
Cross-Disorder Group of the Psychiatric Genomics Consortium
Venue
Nature Genetics
Published
2013-08-11
Volume
45
Issue
9
Pages
984-994
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W2045227722
Cited by
2,263
References
88
Citations by year
2026: 57 · 2025: 76 · 2024: 99 · 2023: 101 · 2022: 137 · 2021: 182 · 2020: 224 · 2019: 223 · 2018: 210 · 2017: 253 · 2016: 246 · 2015: 229 · 2014: 191 · 2013: 32 · 2012: 3
FWCI
154.38
Type
journal article
Language
en
Open access
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Funders
  • Wellcome Trust (090532)
  • Vrije Universiteit Amsterdam
  • Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
  • Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO 480‐05‐003, 480- 05-003)
  • Crohn's and Colitis UK (M11-1)
  • Directorate for Biological Sciences
  • Goddard Space Flight Center
  • Medical Research Council
  • Australian Research Council (FT0991360, DE130100614)
  • National Health and Medical Research Council (1047956, 613608, 1011506)
  • National Institute on Alcohol Abuse and Alcoholism (K05AA017688)
  • National Institute of Mental Health (R01MH041953, R01MH094293, R01MH100141, U01MH085520, R01MH100027, R01MH094400, K99MH101367, MH085520, R01MH085548, R01MH083094, K24MH094614)
  • National Human Genome Research Institute (T32HG000040)
  • National Cancer Institute (R01CA082659)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (P50HD055782)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Mapping and Diversity in Plants and Animals
Keywords
mental illness, shared genetic etiology, genetic correlation, schizophrenia, bipolar disorder, major depressive disorder, autism spectrum disorder, attention deficit hyperactivity disorder, heritability, single nucleotide polymorphisms, Psychiatric Genomics Consortium, disease classification
MeSH terms
Adult, Attention Deficit Disorder with Hyperactivity, Mental Disorders, Bipolar Disorder, Child, Child Development Disorders, Pervasive, Crohn Disease, Depressive Disorder, Major, Major Depressive Disorder, Humans, Schizophrenia, Genome, Human, Genetic Heterogeneity, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, Inheritance Patterns, Genome-Wide Association Study

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