Genome-wide association study of 40,000 individuals identifies two novel loci associated with bipolar disorder

Liping Hou, Sarah E. Bergen, Nirmala Akula, Jie Song, Christina M. Hultman, Mikael Landén, Mazda Adli, Martin Alda, Raffaella Ardau, Barbara Arias, Jean Michel Aubry, Lena Backlund, Judith A. Badner, Thomas B. Barrett, Michael Bauer, Bernhard T. Baune, Frank Bellivier, Antonio Benabarre, Susanne Bengesser, Wade H. BerrettiniAbesh Kumar Bhattacharjee, Joanna M. Biernacka, Armin Birner, Cinnamon S. Bloss, Clara Brichant-Petitjean, Elise T. Bui, William Byerley, Pablo Cervantes, Caterina Chillotti, Sven Cichon, Francesc Colom, William Coryell, David W. Craig, Cristiana Cruceanu, Piotr M. Czerski, Tony Davis, Alexandre Dayer, Franziska Degenhardt, Maria Del Zompo, J. Raymond DePaulo, Howard Edenberg, Bruno Étain, Peter Falkai, Tatiana Foroud, Andreas J. Forstner, Louise Frisén, Mark A. Frye, Janice M. Fullerton, Sébastien Gard, Julie S. Garnham, Elliot S. Gershon, Fernando S. Goes, Tiffany A. Greenwood, Maria Grigoroiu-Serbanescu, Joanna Hauser, Urs Heilbronner, Stefanie Heilmann-Heimbach, Stefan Herms, Maria Hipolito, Shashi Hitturlingappa, Per Hoffmann, Andrea Hofmann, Stephane Jamain, Esther Jiménez, Jean Pierre Kahn, Layla Kassem, John R. Kelsoe, Sarah Kittel-Schneider, Sebastian Kliwicki, Daniel L. Koller, Barbara König, Nina Lackner, Gonzalo Laje, Maren Lang, Catharina Lavebratt, William B. Lawson, Marion Leboyer, Susan G. Leckband, Chunyu Liu, Anna Maaser, Pamela B. Mahon, Wolfgang Maier, Mario Maj, Mirko Manchia, Lina Martinsson, Michael J. McCarthy, Susan L. McElroy, Melvin G. McInnis, Rebecca McKinney, Philip B. Mitchell, Marina Mitjans, Francis M. Mondimore, Palmiero Monteleone, Thomas W. Mühleisen, Caroline M. Nievergelt, Markus M. Nöthen, Tomas Novák, John Nurnberger, Evaristus A. Nwulia, Urban Ösby, Andrea Pfennig, James B. Potash, Peter Propping, Andreas Reif, Eva Reininghaus, John Rice, Marcella Rietschel, Guy A. Rouleau, Janusz K. Rybakowski, Martin Schalling, William A. Scheftner, Peter R. Schofield, Nicholas J. Schork, Thomas G. Schulze, Johannes Schumacher, Barbara W. Schweizer, Giovanni Severino, Tatyana Shekhtman, Paul D. Shilling, Christian Simhandl, Claire M. Slaney, Erin N. Smith, Alessio Squassina, Thomas Stamm, Pavla Stopkova, Fabian Streit, Jana Strohmaier, Szabolcs Szelinger, Sarah K. Tighe, Alfonso Tortorella, Gustavo Turecki, Eduard Vieta, Julia Volkert, Stephanie H. Witt, Adam Wright, Peter P. Zandi, Peng Zhang, Sebastian Zollner, Francis J. McMahon

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

Bipolar disorder (BD) is a genetically complex mental illness characterized by severe oscillations of mood and behaviour. Genome-wide association studies (GWAS) have identified several risk loci that together account for a small portion of the heritability. To identify additional risk loci, we performed a two-stage meta-analysis of > 9 million genetic variants in 9,784 bipolar disorder patients and 30,471 controls, the largest GWAS of BD to date. In this study, to increase power we used ~2,000 lithium-treated cases with a long-term diagnosis of BD from the Consortium on Lithium Genetics, excess controls, and analytic methods optimized for markers on the X-chromosome. In addition to four known loci, results revealed genome-wide significant associations at two novel loci: an intergenic region on 9p21.3 (rs12553324, P= 5.87×10-9; odds ratio (OR)=1.12) and markers within ERBB2 (rs2517959, P= 4.53×10-9; OR=1.13). No significant X-chromosome associations were detected and Xlinked markers explained very little BD heritability. The results add to a growing list of common autosomal variants involved in BD and illustrate the power of comparing well-characterized cases to an excess of controls in GWAS.

Original languageEnglish (US)
Pages (from-to)3383-3394
Number of pages12
JournalHuman Molecular Genetics
Volume25
Issue number15
DOIs
StatePublished - 2015

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Genome-Wide Association Study
Bipolar Disorder
X Chromosome
Lithium
Odds Ratio
Intergenic DNA
Meta-Analysis
Genome

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Genetics(clinical)

Cite this

Hou, L., Bergen, S. E., Akula, N., Song, J., Hultman, C. M., Landén, M., ... McMahon, F. J. (2015). Genome-wide association study of 40,000 individuals identifies two novel loci associated with bipolar disorder. Human Molecular Genetics, 25(15), 3383-3394. https://doi.org/10.1093/hmg/ddw181

Genome-wide association study of 40,000 individuals identifies two novel loci associated with bipolar disorder. / Hou, Liping; Bergen, Sarah E.; Akula, Nirmala; Song, Jie; Hultman, Christina M.; Landén, Mikael; Adli, Mazda; Alda, Martin; Ardau, Raffaella; Arias, Barbara; Aubry, Jean Michel; Backlund, Lena; Badner, Judith A.; Barrett, Thomas B.; Bauer, Michael; Baune, Bernhard T.; Bellivier, Frank; Benabarre, Antonio; Bengesser, Susanne; Berrettini, Wade H.; Bhattacharjee, Abesh Kumar; Biernacka, Joanna M.; Birner, Armin; Bloss, Cinnamon S.; Brichant-Petitjean, Clara; Bui, Elise T.; Byerley, William; Cervantes, Pablo; Chillotti, Caterina; Cichon, Sven; Colom, Francesc; Coryell, William; Craig, David W.; Cruceanu, Cristiana; Czerski, Piotr M.; Davis, Tony; Dayer, Alexandre; Degenhardt, Franziska; Del Zompo, Maria; DePaulo, J. Raymond; Edenberg, Howard; Étain, Bruno; Falkai, Peter; Foroud, Tatiana; Forstner, Andreas J.; Frisén, Louise; Frye, Mark A.; Fullerton, Janice M.; Gard, Sébastien; Garnham, Julie S.; Gershon, Elliot S.; Goes, Fernando S.; Greenwood, Tiffany A.; Grigoroiu-Serbanescu, Maria; Hauser, Joanna; Heilbronner, Urs; Heilmann-Heimbach, Stefanie; Herms, Stefan; Hipolito, Maria; Hitturlingappa, Shashi; Hoffmann, Per; Hofmann, Andrea; Jamain, Stephane; Jiménez, Esther; Kahn, Jean Pierre; Kassem, Layla; Kelsoe, John R.; Kittel-Schneider, Sarah; Kliwicki, Sebastian; Koller, Daniel L.; König, Barbara; Lackner, Nina; Laje, Gonzalo; Lang, Maren; Lavebratt, Catharina; Lawson, William B.; Leboyer, Marion; Leckband, Susan G.; Liu, Chunyu; Maaser, Anna; Mahon, Pamela B.; Maier, Wolfgang; Maj, Mario; Manchia, Mirko; Martinsson, Lina; McCarthy, Michael J.; McElroy, Susan L.; McInnis, Melvin G.; McKinney, Rebecca; Mitchell, Philip B.; Mitjans, Marina; Mondimore, Francis M.; Monteleone, Palmiero; Mühleisen, Thomas W.; Nievergelt, Caroline M.; Nöthen, Markus M.; Novák, Tomas; Nurnberger, John; Nwulia, Evaristus A.; Ösby, Urban; Pfennig, Andrea; Potash, James B.; Propping, Peter; Reif, Andreas; Reininghaus, Eva; Rice, John; Rietschel, Marcella; Rouleau, Guy A.; Rybakowski, Janusz K.; Schalling, Martin; Scheftner, William A.; Schofield, Peter R.; Schork, Nicholas J.; Schulze, Thomas G.; Schumacher, Johannes; Schweizer, Barbara W.; Severino, Giovanni; Shekhtman, Tatyana; Shilling, Paul D.; Simhandl, Christian; Slaney, Claire M.; Smith, Erin N.; Squassina, Alessio; Stamm, Thomas; Stopkova, Pavla; Streit, Fabian; Strohmaier, Jana; Szelinger, Szabolcs; Tighe, Sarah K.; Tortorella, Alfonso; Turecki, Gustavo; Vieta, Eduard; Volkert, Julia; Witt, Stephanie H.; Wright, Adam; Zandi, Peter P.; Zhang, Peng; Zollner, Sebastian; McMahon, Francis J.

In: Human Molecular Genetics, Vol. 25, No. 15, 2015, p. 3383-3394.

Research output: Contribution to journalArticle

Hou, L, Bergen, SE, Akula, N, Song, J, Hultman, CM, Landén, M, Adli, M, Alda, M, Ardau, R, Arias, B, Aubry, JM, Backlund, L, Badner, JA, Barrett, TB, Bauer, M, Baune, BT, Bellivier, F, Benabarre, A, Bengesser, S, Berrettini, WH, Bhattacharjee, AK, Biernacka, JM, Birner, A, Bloss, CS, Brichant-Petitjean, C, Bui, ET, Byerley, W, Cervantes, P, Chillotti, C, Cichon, S, Colom, F, Coryell, W, Craig, DW, Cruceanu, C, Czerski, PM, Davis, T, Dayer, A, Degenhardt, F, Del Zompo, M, DePaulo, JR, Edenberg, H, Étain, B, Falkai, P, Foroud, T, Forstner, AJ, Frisén, L, Frye, MA, Fullerton, JM, Gard, S, Garnham, JS, Gershon, ES, Goes, FS, Greenwood, TA, Grigoroiu-Serbanescu, M, Hauser, J, Heilbronner, U, Heilmann-Heimbach, S, Herms, S, Hipolito, M, Hitturlingappa, S, Hoffmann, P, Hofmann, A, Jamain, S, Jiménez, E, Kahn, JP, Kassem, L, Kelsoe, JR, Kittel-Schneider, S, Kliwicki, S, Koller, DL, König, B, Lackner, N, Laje, G, Lang, M, Lavebratt, C, Lawson, WB, Leboyer, M, Leckband, SG, Liu, C, Maaser, A, Mahon, PB, Maier, W, Maj, M, Manchia, M, Martinsson, L, McCarthy, MJ, McElroy, SL, McInnis, MG, McKinney, R, Mitchell, PB, Mitjans, M, Mondimore, FM, Monteleone, P, Mühleisen, TW, Nievergelt, CM, Nöthen, MM, Novák, T, Nurnberger, J, Nwulia, EA, Ösby, U, Pfennig, A, Potash, JB, Propping, P, Reif, A, Reininghaus, E, Rice, J, Rietschel, M, Rouleau, GA, Rybakowski, JK, Schalling, M, Scheftner, WA, Schofield, PR, Schork, NJ, Schulze, TG, Schumacher, J, Schweizer, BW, Severino, G, Shekhtman, T, Shilling, PD, Simhandl, C, Slaney, CM, Smith, EN, Squassina, A, Stamm, T, Stopkova, P, Streit, F, Strohmaier, J, Szelinger, S, Tighe, SK, Tortorella, A, Turecki, G, Vieta, E, Volkert, J, Witt, SH, Wright, A, Zandi, PP, Zhang, P, Zollner, S & McMahon, FJ 2015, 'Genome-wide association study of 40,000 individuals identifies two novel loci associated with bipolar disorder', Human Molecular Genetics, vol. 25, no. 15, pp. 3383-3394. https://doi.org/10.1093/hmg/ddw181
Hou, Liping ; Bergen, Sarah E. ; Akula, Nirmala ; Song, Jie ; Hultman, Christina M. ; Landén, Mikael ; Adli, Mazda ; Alda, Martin ; Ardau, Raffaella ; Arias, Barbara ; Aubry, Jean Michel ; Backlund, Lena ; Badner, Judith A. ; Barrett, Thomas B. ; Bauer, Michael ; Baune, Bernhard T. ; Bellivier, Frank ; Benabarre, Antonio ; Bengesser, Susanne ; Berrettini, Wade H. ; Bhattacharjee, Abesh Kumar ; Biernacka, Joanna M. ; Birner, Armin ; Bloss, Cinnamon S. ; Brichant-Petitjean, Clara ; Bui, Elise T. ; Byerley, William ; Cervantes, Pablo ; Chillotti, Caterina ; Cichon, Sven ; Colom, Francesc ; Coryell, William ; Craig, David W. ; Cruceanu, Cristiana ; Czerski, Piotr M. ; Davis, Tony ; Dayer, Alexandre ; Degenhardt, Franziska ; Del Zompo, Maria ; DePaulo, J. Raymond ; Edenberg, Howard ; Étain, Bruno ; Falkai, Peter ; Foroud, Tatiana ; Forstner, Andreas J. ; Frisén, Louise ; Frye, Mark A. ; Fullerton, Janice M. ; Gard, Sébastien ; Garnham, Julie S. ; Gershon, Elliot S. ; Goes, Fernando S. ; Greenwood, Tiffany A. ; Grigoroiu-Serbanescu, Maria ; Hauser, Joanna ; Heilbronner, Urs ; Heilmann-Heimbach, Stefanie ; Herms, Stefan ; Hipolito, Maria ; Hitturlingappa, Shashi ; Hoffmann, Per ; Hofmann, Andrea ; Jamain, Stephane ; Jiménez, Esther ; Kahn, Jean Pierre ; Kassem, Layla ; Kelsoe, John R. ; Kittel-Schneider, Sarah ; Kliwicki, Sebastian ; Koller, Daniel L. ; König, Barbara ; Lackner, Nina ; Laje, Gonzalo ; Lang, Maren ; Lavebratt, Catharina ; Lawson, William B. ; Leboyer, Marion ; Leckband, Susan G. ; Liu, Chunyu ; Maaser, Anna ; Mahon, Pamela B. ; Maier, Wolfgang ; Maj, Mario ; Manchia, Mirko ; Martinsson, Lina ; McCarthy, Michael J. ; McElroy, Susan L. ; McInnis, Melvin G. ; McKinney, Rebecca ; Mitchell, Philip B. ; Mitjans, Marina ; Mondimore, Francis M. ; Monteleone, Palmiero ; Mühleisen, Thomas W. ; Nievergelt, Caroline M. ; Nöthen, Markus M. ; Novák, Tomas ; Nurnberger, John ; Nwulia, Evaristus A. ; Ösby, Urban ; Pfennig, Andrea ; Potash, James B. ; Propping, Peter ; Reif, Andreas ; Reininghaus, Eva ; Rice, John ; Rietschel, Marcella ; Rouleau, Guy A. ; Rybakowski, Janusz K. ; Schalling, Martin ; Scheftner, William A. ; Schofield, Peter R. ; Schork, Nicholas J. ; Schulze, Thomas G. ; Schumacher, Johannes ; Schweizer, Barbara W. ; Severino, Giovanni ; Shekhtman, Tatyana ; Shilling, Paul D. ; Simhandl, Christian ; Slaney, Claire M. ; Smith, Erin N. ; Squassina, Alessio ; Stamm, Thomas ; Stopkova, Pavla ; Streit, Fabian ; Strohmaier, Jana ; Szelinger, Szabolcs ; Tighe, Sarah K. ; Tortorella, Alfonso ; Turecki, Gustavo ; Vieta, Eduard ; Volkert, Julia ; Witt, Stephanie H. ; Wright, Adam ; Zandi, Peter P. ; Zhang, Peng ; Zollner, Sebastian ; McMahon, Francis J. / Genome-wide association study of 40,000 individuals identifies two novel loci associated with bipolar disorder. In: Human Molecular Genetics. 2015 ; Vol. 25, No. 15. pp. 3383-3394.
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title = "Genome-wide association study of 40,000 individuals identifies two novel loci associated with bipolar disorder",
abstract = "Bipolar disorder (BD) is a genetically complex mental illness characterized by severe oscillations of mood and behaviour. Genome-wide association studies (GWAS) have identified several risk loci that together account for a small portion of the heritability. To identify additional risk loci, we performed a two-stage meta-analysis of > 9 million genetic variants in 9,784 bipolar disorder patients and 30,471 controls, the largest GWAS of BD to date. In this study, to increase power we used ~2,000 lithium-treated cases with a long-term diagnosis of BD from the Consortium on Lithium Genetics, excess controls, and analytic methods optimized for markers on the X-chromosome. In addition to four known loci, results revealed genome-wide significant associations at two novel loci: an intergenic region on 9p21.3 (rs12553324, P= 5.87×10-9; odds ratio (OR)=1.12) and markers within ERBB2 (rs2517959, P= 4.53×10-9; OR=1.13). No significant X-chromosome associations were detected and Xlinked markers explained very little BD heritability. The results add to a growing list of common autosomal variants involved in BD and illustrate the power of comparing well-characterized cases to an excess of controls in GWAS.",
author = "Liping Hou and Bergen, {Sarah E.} and Nirmala Akula and Jie Song and Hultman, {Christina M.} and Mikael Land{\'e}n and Mazda Adli and Martin Alda and Raffaella Ardau and Barbara Arias and Aubry, {Jean Michel} and Lena Backlund and Badner, {Judith A.} and Barrett, {Thomas B.} and Michael Bauer and Baune, {Bernhard T.} and Frank Bellivier and Antonio Benabarre and Susanne Bengesser and Berrettini, {Wade H.} and Bhattacharjee, {Abesh Kumar} and Biernacka, {Joanna M.} and Armin Birner and Bloss, {Cinnamon S.} and Clara Brichant-Petitjean and Bui, {Elise T.} and William Byerley and Pablo Cervantes and Caterina Chillotti and Sven Cichon and Francesc Colom and William Coryell and Craig, {David W.} and Cristiana Cruceanu and Czerski, {Piotr M.} and Tony Davis and Alexandre Dayer and Franziska Degenhardt and {Del Zompo}, Maria and DePaulo, {J. Raymond} and Howard Edenberg and Bruno {\'E}tain and Peter Falkai and Tatiana Foroud and Forstner, {Andreas J.} and Louise Fris{\'e}n and Frye, {Mark A.} and Fullerton, {Janice M.} and S{\'e}bastien Gard and Garnham, {Julie S.} and Gershon, {Elliot S.} and Goes, {Fernando S.} and Greenwood, {Tiffany A.} and Maria Grigoroiu-Serbanescu and Joanna Hauser and Urs Heilbronner and Stefanie Heilmann-Heimbach and Stefan Herms and Maria Hipolito and Shashi Hitturlingappa and Per Hoffmann and Andrea Hofmann and Stephane Jamain and Esther Jim{\'e}nez and Kahn, {Jean Pierre} and Layla Kassem and Kelsoe, {John R.} and Sarah Kittel-Schneider and Sebastian Kliwicki and Koller, {Daniel L.} and Barbara K{\"o}nig and Nina Lackner and Gonzalo Laje and Maren Lang and Catharina Lavebratt and Lawson, {William B.} and Marion Leboyer and Leckband, {Susan G.} and Chunyu Liu and Anna Maaser and Mahon, {Pamela B.} and Wolfgang Maier and Mario Maj and Mirko Manchia and Lina Martinsson and McCarthy, {Michael J.} and McElroy, {Susan L.} and McInnis, {Melvin G.} and Rebecca McKinney and Mitchell, {Philip B.} and Marina Mitjans and Mondimore, {Francis M.} and Palmiero Monteleone and M{\"u}hleisen, {Thomas W.} and Nievergelt, {Caroline M.} and N{\"o}then, {Markus M.} and Tomas Nov{\'a}k and John Nurnberger and Nwulia, {Evaristus A.} and Urban {\"O}sby and Andrea Pfennig and Potash, {James B.} and Peter Propping and Andreas Reif and Eva Reininghaus and John Rice and Marcella Rietschel and Rouleau, {Guy A.} and Rybakowski, {Janusz K.} and Martin Schalling and Scheftner, {William A.} and Schofield, {Peter R.} and Schork, {Nicholas J.} and Schulze, {Thomas G.} and Johannes Schumacher and Schweizer, {Barbara W.} and Giovanni Severino and Tatyana Shekhtman and Shilling, {Paul D.} and Christian Simhandl and Slaney, {Claire M.} and Smith, {Erin N.} and Alessio Squassina and Thomas Stamm and Pavla Stopkova and Fabian Streit and Jana Strohmaier and Szabolcs Szelinger and Tighe, {Sarah K.} and Alfonso Tortorella and Gustavo Turecki and Eduard Vieta and Julia Volkert and Witt, {Stephanie H.} and Adam Wright and Zandi, {Peter P.} and Peng Zhang and Sebastian Zollner and McMahon, {Francis J.}",
year = "2015",
doi = "10.1093/hmg/ddw181",
language = "English (US)",
volume = "25",
pages = "3383--3394",
journal = "Human Molecular Genetics",
issn = "0964-6906",
publisher = "Oxford University Press",
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TY - JOUR

T1 - Genome-wide association study of 40,000 individuals identifies two novel loci associated with bipolar disorder

AU - Hou, Liping

AU - Bergen, Sarah E.

AU - Akula, Nirmala

AU - Song, Jie

AU - Hultman, Christina M.

AU - Landén, Mikael

AU - Adli, Mazda

AU - Alda, Martin

AU - Ardau, Raffaella

AU - Arias, Barbara

AU - Aubry, Jean Michel

AU - Backlund, Lena

AU - Badner, Judith A.

AU - Barrett, Thomas B.

AU - Bauer, Michael

AU - Baune, Bernhard T.

AU - Bellivier, Frank

AU - Benabarre, Antonio

AU - Bengesser, Susanne

AU - Berrettini, Wade H.

AU - Bhattacharjee, Abesh Kumar

AU - Biernacka, Joanna M.

AU - Birner, Armin

AU - Bloss, Cinnamon S.

AU - Brichant-Petitjean, Clara

AU - Bui, Elise T.

AU - Byerley, William

AU - Cervantes, Pablo

AU - Chillotti, Caterina

AU - Cichon, Sven

AU - Colom, Francesc

AU - Coryell, William

AU - Craig, David W.

AU - Cruceanu, Cristiana

AU - Czerski, Piotr M.

AU - Davis, Tony

AU - Dayer, Alexandre

AU - Degenhardt, Franziska

AU - Del Zompo, Maria

AU - DePaulo, J. Raymond

AU - Edenberg, Howard

AU - Étain, Bruno

AU - Falkai, Peter

AU - Foroud, Tatiana

AU - Forstner, Andreas J.

AU - Frisén, Louise

AU - Frye, Mark A.

AU - Fullerton, Janice M.

AU - Gard, Sébastien

AU - Garnham, Julie S.

AU - Gershon, Elliot S.

AU - Goes, Fernando S.

AU - Greenwood, Tiffany A.

AU - Grigoroiu-Serbanescu, Maria

AU - Hauser, Joanna

AU - Heilbronner, Urs

AU - Heilmann-Heimbach, Stefanie

AU - Herms, Stefan

AU - Hipolito, Maria

AU - Hitturlingappa, Shashi

AU - Hoffmann, Per

AU - Hofmann, Andrea

AU - Jamain, Stephane

AU - Jiménez, Esther

AU - Kahn, Jean Pierre

AU - Kassem, Layla

AU - Kelsoe, John R.

AU - Kittel-Schneider, Sarah

AU - Kliwicki, Sebastian

AU - Koller, Daniel L.

AU - König, Barbara

AU - Lackner, Nina

AU - Laje, Gonzalo

AU - Lang, Maren

AU - Lavebratt, Catharina

AU - Lawson, William B.

AU - Leboyer, Marion

AU - Leckband, Susan G.

AU - Liu, Chunyu

AU - Maaser, Anna

AU - Mahon, Pamela B.

AU - Maier, Wolfgang

AU - Maj, Mario

AU - Manchia, Mirko

AU - Martinsson, Lina

AU - McCarthy, Michael J.

AU - McElroy, Susan L.

AU - McInnis, Melvin G.

AU - McKinney, Rebecca

AU - Mitchell, Philip B.

AU - Mitjans, Marina

AU - Mondimore, Francis M.

AU - Monteleone, Palmiero

AU - Mühleisen, Thomas W.

AU - Nievergelt, Caroline M.

AU - Nöthen, Markus M.

AU - Novák, Tomas

AU - Nurnberger, John

AU - Nwulia, Evaristus A.

AU - Ösby, Urban

AU - Pfennig, Andrea

AU - Potash, James B.

AU - Propping, Peter

AU - Reif, Andreas

AU - Reininghaus, Eva

AU - Rice, John

AU - Rietschel, Marcella

AU - Rouleau, Guy A.

AU - Rybakowski, Janusz K.

AU - Schalling, Martin

AU - Scheftner, William A.

AU - Schofield, Peter R.

AU - Schork, Nicholas J.

AU - Schulze, Thomas G.

AU - Schumacher, Johannes

AU - Schweizer, Barbara W.

AU - Severino, Giovanni

AU - Shekhtman, Tatyana

AU - Shilling, Paul D.

AU - Simhandl, Christian

AU - Slaney, Claire M.

AU - Smith, Erin N.

AU - Squassina, Alessio

AU - Stamm, Thomas

AU - Stopkova, Pavla

AU - Streit, Fabian

AU - Strohmaier, Jana

AU - Szelinger, Szabolcs

AU - Tighe, Sarah K.

AU - Tortorella, Alfonso

AU - Turecki, Gustavo

AU - Vieta, Eduard

AU - Volkert, Julia

AU - Witt, Stephanie H.

AU - Wright, Adam

AU - Zandi, Peter P.

AU - Zhang, Peng

AU - Zollner, Sebastian

AU - McMahon, Francis J.

PY - 2015

Y1 - 2015

N2 - Bipolar disorder (BD) is a genetically complex mental illness characterized by severe oscillations of mood and behaviour. Genome-wide association studies (GWAS) have identified several risk loci that together account for a small portion of the heritability. To identify additional risk loci, we performed a two-stage meta-analysis of > 9 million genetic variants in 9,784 bipolar disorder patients and 30,471 controls, the largest GWAS of BD to date. In this study, to increase power we used ~2,000 lithium-treated cases with a long-term diagnosis of BD from the Consortium on Lithium Genetics, excess controls, and analytic methods optimized for markers on the X-chromosome. In addition to four known loci, results revealed genome-wide significant associations at two novel loci: an intergenic region on 9p21.3 (rs12553324, P= 5.87×10-9; odds ratio (OR)=1.12) and markers within ERBB2 (rs2517959, P= 4.53×10-9; OR=1.13). No significant X-chromosome associations were detected and Xlinked markers explained very little BD heritability. The results add to a growing list of common autosomal variants involved in BD and illustrate the power of comparing well-characterized cases to an excess of controls in GWAS.

AB - Bipolar disorder (BD) is a genetically complex mental illness characterized by severe oscillations of mood and behaviour. Genome-wide association studies (GWAS) have identified several risk loci that together account for a small portion of the heritability. To identify additional risk loci, we performed a two-stage meta-analysis of > 9 million genetic variants in 9,784 bipolar disorder patients and 30,471 controls, the largest GWAS of BD to date. In this study, to increase power we used ~2,000 lithium-treated cases with a long-term diagnosis of BD from the Consortium on Lithium Genetics, excess controls, and analytic methods optimized for markers on the X-chromosome. In addition to four known loci, results revealed genome-wide significant associations at two novel loci: an intergenic region on 9p21.3 (rs12553324, P= 5.87×10-9; odds ratio (OR)=1.12) and markers within ERBB2 (rs2517959, P= 4.53×10-9; OR=1.13). No significant X-chromosome associations were detected and Xlinked markers explained very little BD heritability. The results add to a growing list of common autosomal variants involved in BD and illustrate the power of comparing well-characterized cases to an excess of controls in GWAS.

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