Evidence map›Paper›PMID 42320979›Full record

ArticleActa psychiatrica Scandinavica2026

Leveraging Family Genetic Risk Scores to Understand the Etiology of Suicidal Behaviors and Their Associations With Psychiatric Disorders.

Séverine Lannoy, Henrik Ohlsson, Mallory Stephenson, Jan Sundquist, Kristina Sundquist, Kenneth S Kendler, Alexis C Edwards

Abstract read
In one paragraph

Article in Acta psychiatrica Scandinavica, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Séverine LannoyDepartment of Psychiatry, Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA.ORCID https://orcid.org/0000-0001-7773-4553
Henrik OhlssonCenter for Primary Health Care Research, Lund University, Malmö, Sweden.
Mallory StephensonDepartment of Psychiatry, Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA.ORCID https://orcid.org/0000-0002-1498-4333
Jan SundquistCenter for Primary Health Care Research, Lund University, Malmö, Sweden.
Kristina SundquistCenter for Primary Health Care Research, Lund University, Malmö, Sweden.
Kenneth S KendlerDepartment of Psychiatry, Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA.ORCID https://orcid.org/0000-0001-8689-6570
Alexis C EdwardsDepartment of Psychiatry, Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA.

Funding

Harnessing advances in the genetics of suicidality to identify and dissect psychosocial pathways to riskR01MH129356 · NIMH · VIRGINIA COMMONWEALTH UNIVERSITY · PI Alexis C Edwards · 2022 to 2026
$2.7M
Dissecting the co-occurrence of alcohol use/problems and suicidal behaviors: the roles of genetic liability and neurocognitive mechanismsR00AA030611 · NIAAA · VIRGINIA COMMONWEALTH UNIVERSITY · PI Severine Patricia Lannoy · 2025 to 2026
$491k
Dissecting the co-occurrence of alcohol use/problems and suicidal behaviors: the roles of genetic liability and neurocognitive mechanismsK99AA030611 · NIAAA · VIRGINIA COMMONWEALTH UNIVERSITY · PI LANNOY, SEVERINE PATRICIA · 2023 to 2024
$301k
NIAAA NIH HHS K99 AA030611NIAAA NIH HHS K99AA030611NIAAA NIH HHS R00 AA030611NIAAA NIH HHS R00AA030611NIMH NIH HHS R01 MH129356NIMH NIH HHS R01MH129356Vetenskapsrådet 2021-06467
6 · The paper itself

Abstract

introductionSuicidal behaviors are complex phenotypes, often studied in the context of psychiatric comorbidities. However, little is known about the specific roles of psychiatric disorders and the etiology of suicidal behaviors that occur outside the context of psychiatric comorbidities.

methodsWe included 926,040 individuals born 1980-1990 from the Swedish national registries. We conducted separate analyses for suicide attempt (SA) and suicide death (SD) and first tested whether family genetic risk scores (FGRS) for SA and SD differed across individuals with versus without a registration for psychiatric disorders. We then performed Cox proportional hazards models to evaluate the main effects of psychiatric disorders (alcohol use disorder, major depression, anxiety disorders, drug use disorders, attention-deficit/hyperactivity disorder) in risk of SA/SD, and their interaction with genetic liability (FGRS). The interaction was introduced to evaluate potential differential effects of genetic risk in those with versus without a prior psychiatric comorbidity.

resultsOnly ~30% of individuals registered for SA/SD had a prior psychiatric diagnosis. FGRS for SA/SD was higher in those with prior psychiatric disorders. All psychiatric comorbidities were significantly related to SA (HRs 4.61-9.03) and SD (HRs 8.06-15.90). Interaction analyses indicated that, in those with no prior psychiatric disorder, the effect of genetic liability on SA/SD was higher.

conclusionsThough psychiatric disorders were associated with increased risk of SA/SD, a substantial proportion of suicidal behaviors occurred outside the context of psychiatric disorders, urging the development of screening and prevention in non-psychiatric populations. Despite their low genetic liability for SA/SD, findings suggest that the effect of genetic risk on SA/SD risk is stronger in those with no psychiatric comorbidity.

Indexed as

Mental DisordersRegistriesSuicideSuicide, AttemptedSuicide, CompletedAdultAnxiety DisordersComorbidityFemaleGenetic Predisposition to DiseaseGenetic Risk ScoreHumansMaleMiddle AgedRisk FactorsSubstance-Related Disordersgeneticspsychiatric disorderssuicide attemptsuicide death

Identifiers

PMID42320979
PMCPMC13532916

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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.