Characterisation of age and polarity at onset in bipolar disorder
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Published:2021-08-25
Issue:6
Volume:219
Page:659-669
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ISSN:0007-1250
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Container-title:The British Journal of Psychiatry
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language:en
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Short-container-title:Br J Psychiatry
Author:
Kalman Janos L.ORCID, Olde Loohuis Loes M., Vreeker Annabel, McQuillin Andrew, Stahl Eli A., Ruderfer Douglas, Grigoroiu-Serbanescu Maria, Panagiotaropoulou Georgia, Ripke Stephan, Bigdeli Tim B., Stein Frederike, Meller Tina, Meinert Susanne, Pelin Helena, Streit Fabian, Papiol Sergi, Adams Mark J.ORCID, Adolfsson Rolf, Adorjan KristinaORCID, Agartz Ingrid, Aminoff Sofie R., Anderson-Schmidt Heike, Andreassen Ole A., Ardau Raffaella, Aubry Jean-Michel, Balaban Ceylan, Bass Nicholas, Baune Bernhard T., Bellivier Frank, Benabarre Antoni, Bengesser Susanne, Berrettini Wade H, Boks Marco P., Bromet Evelyn J., Brosch Katharina, Budde Monika, Byerley William, Cervantes Pablo, Chillotti Catina, Cichon Sven, Clark Scott R., Comes Ashley L., Corvin Aiden, Coryell William, Craddock Nick, Craig David W., Croarkin Paul E., Cruceanu Cristiana, Czerski Piotr M., Dalkner Nina, Dannlowski Udo, Degenhardt Franziska, Del Zompo Maria, DePaulo J. Raymond, Djurovic Srdjan, Edenberg Howard J.ORCID, Eissa Mariam Al, Elvsåshagen Torbjørn, Etain BrunoORCID, Fanous Ayman H., Fellendorf Frederike, Fiorentino Alessia, Forstner Andreas J., Frye Mark A., Fullerton Janice M., Gade KatrinORCID, Garnham Julie, Gershon Elliot, Gill Michael, Goes Fernando S., Gordon-Smith KatherineORCID, Grof Paul, Guzman-Parra Jose, Hahn Tim, Hasler Roland, Heilbronner Maria, Heilbronner UrsORCID, Jamain Stephane, Jimenez Esther, Jones Ian, Jones LisaORCID, Jonsson Lina, Kahn Rene S., Kelsoe John R., Kennedy James L., Kircher Tilo, Kirov GeorgeORCID, Kittel-Schneider Sarah, Klöhn-Saghatolislam Farah, Knowles James A., Kranz Thorsten M., Lagerberg Trine Vik, Landen Mikael, Lawson William B., Leboyer Marion, Li Qingqin S., Maj Mario, Malaspina Dolores, Manchia Mirko, Mayoral Fermin, McElroy Susan L., McInnis Melvin G., McIntosh Andrew M.ORCID, Medeiros Helena, Melle Ingrid, Milanova Vihra, Mitchell Philip B.ORCID, Monteleone Palmiero, Monteleone Alessio Maria, Nöthen Markus M., Novak Tomas, Nurnberger John I.ORCID, O'Brien Niamh, O'Connell Kevin S., O'Donovan Claire, O'Donovan Michael C., Opel Nils, Ortiz AbigailORCID, Owen Michael J., Pålsson Erik, Pato Carlos, Pato Michele T., Pawlak Joanna, Pfarr Julia-Katharina, Pisanu Claudia, Potash James B., Rapaport Mark H, Reich-Erkelenz Daniela, Reif Andreas, Reininghaus Eva, Repple Jonathan, Richard-Lepouriel Hélène, Rietschel Marcella, Ringwald Kai, Roberts GloriaORCID, Rouleau Guy, Schaupp Sabrina, Scheftner William A, Schmitt Simon, Schofield Peter R., Schubert K. Oliver, Schulte Eva C.ORCID, Schweizer Barbara, Senner Fanny, Severino Giovanni, Sharp Sally, Slaney Claire, Smeland Olav B., Sobell Janet L., Squassina Alessio, Stopkova Pavla, Strauss John, Tortorella Alfonso, Turecki Gustavo, Twarowska-Hauser Joanna, Veldic Marin, Vieta Eduard, Vincent John B., Xu Wei, Zai Clement C., Zandi Peter P., Di Florio Arianna, Smoller Jordan W., Biernacka Joanna M., McMahon Francis J., Alda MartinORCID, Müller-Myhsok Bertram, Koutsouleris Nikolaos, Falkai Peter, Freimer Nelson B., Andlauer Till F.M.ORCID, Schulze Thomas G., Ophoff Roel A., , ,
Abstract
BackgroundStudying phenotypic and genetic characteristics of age at onset (AAO) and polarity at onset (PAO) in bipolar disorder can provide new insights into disease pathology and facilitate the development of screening tools.AimsTo examine the genetic architecture of AAO and PAO and their association with bipolar disorder disease characteristics.MethodGenome-wide association studies (GWASs) and polygenic score (PGS) analyses of AAO (n = 12 977) and PAO (n = 6773) were conducted in patients with bipolar disorder from 34 cohorts and a replication sample (n = 2237). The association of onset with disease characteristics was investigated in two of these cohorts.ResultsEarlier AAO was associated with a higher probability of psychotic symptoms, suicidality, lower educational attainment, not living together and fewer episodes. Depressive onset correlated with suicidality and manic onset correlated with delusions and manic episodes. Systematic differences in AAO between cohorts and continents of origin were observed. This was also reflected in single-nucleotide variant-based heritability estimates, with higher heritabilities for stricter onset definitions. Increased PGS for autism spectrum disorder (β = −0.34 years, s.e. = 0.08), major depression (β = −0.34 years, s.e. = 0.08), schizophrenia (β = −0.39 years, s.e. = 0.08), and educational attainment (β = −0.31 years, s.e. = 0.08) were associated with an earlier AAO. The AAO GWAS identified one significant locus, but this finding did not replicate. Neither GWAS nor PGS analyses yielded significant associations with PAO.ConclusionsAAO and PAO are associated with indicators of bipolar disorder severity. Individuals with an earlier onset show an increased polygenic liability for a broad spectrum of psychiatric traits. Systematic differences in AAO across cohorts, continents and phenotype definitions introduce significant heterogeneity, affecting analyses.
Funder
Due to the high number of coauthors, for detailed funding information see Funding section in the Manuscript NIH K99
Publisher
Royal College of Psychiatrists
Subject
Psychiatry and Mental health
Cited by
24 articles.
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