Investigation of convergent and divergent genetic influences underlying schizophrenia and alcohol use disorder

BACKGROUND: Alcohol use disorder (AUD) and schizophrenia (SCZ) frequently co-occur, and large-scale genome-wide association studies (GWAS) have identified significant genetic correlations between these disorders.

METHODS: We used the largest published GWAS for AUD (total cases = 77 822) and SCZ (total cases = 46 827) to identify genetic variants that influence both disorders (with either the same or opposite direction of effect) and those that are disorder specific.

RESULTS: We identified 55 independent genome-wide significant single nucleotide polymorphisms with the same direction of effect on AUD and SCZ, 8 with robust effects in opposite directions, and 98 with disorder-specific effects. We also found evidence for 12 genes whose pleiotropic associations with AUD and SCZ are consistent with mediation via gene expression in the prefrontal cortex. The genetic covariance between AUD and SCZ was concentrated in genomic regions functional in brain tissues (p = 0.001).

CONCLUSIONS: Our findings provide further evidence that SCZ shares meaningful genetic overlap with AUD.

Medienart:

E-Artikel

Erscheinungsjahr:

2023

Erschienen:

2023

Enthalten in:

Zur Gesamtaufnahme - volume:53

Enthalten in:

Psychological medicine - 53(2023), 4 vom: 29. März, Seite 1196-1204

Sprache:

Englisch

Beteiligte Personen:

Johnson, Emma C [VerfasserIn]
Kapoor, Manav [VerfasserIn]
Hatoum, Alexander S [VerfasserIn]
Zhou, Hang [VerfasserIn]
Polimanti, Renato [VerfasserIn]
Wendt, Frank R [VerfasserIn]
Walters, Raymond K [VerfasserIn]
Lai, Dongbing [VerfasserIn]
Kember, Rachel L [VerfasserIn]
Hartz, Sarah [VerfasserIn]
Meyers, Jacquelyn L [VerfasserIn]
Peterson, Roseann E [VerfasserIn]
Ripke, Stephan [VerfasserIn]
Bigdeli, Tim B [VerfasserIn]
Fanous, Ayman H [VerfasserIn]
Pato, Carlos N [VerfasserIn]
Pato, Michele T [VerfasserIn]
Goate, Alison M [VerfasserIn]
Kranzler, Henry R [VerfasserIn]
O'Donovan, Michael C [VerfasserIn]
Walters, James T R [VerfasserIn]
Gelernter, Joel [VerfasserIn]
Edenberg, Howard J [VerfasserIn]
Agrawal, Arpana [VerfasserIn]

Links:

Volltext

Themen:

Alcohol
Genetic overlap
Genome wide association study
Journal Article
Pleiotropy
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Schizophrenia

Anmerkungen:

Date Completed 04.04.2023

Date Revised 02.03.2024

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1017/S003329172100266X

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM327775335