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Genetic variants associated with response to lithium treatment in bipolar disorder: a genome-wide association study.


ABSTRACT: BACKGROUND:Lithium is a first-line treatment in bipolar disorder, but individual response is variable. Previous studies have suggested that lithium response is a heritable trait. However, no genetic markers of treatment response have been reproducibly identified. METHODS:Here, we report the results of a genome-wide association study of lithium response in 2563 patients collected by 22 participating sites from the International Consortium on Lithium Genetics (ConLiGen). Data from common single nucleotide polymorphisms (SNPs) were tested for association with categorical and continuous ratings of lithium response. Lithium response was measured using a well established scale (Alda scale). Genotyped SNPs were used to generate data at more than 6 million sites, using standard genomic imputation methods. Traits were regressed against genotype dosage. Results were combined across two batches by meta-analysis. FINDINGS:A single locus of four linked SNPs on chromosome 21 met genome-wide significance criteria for association with lithium response (rs79663003, p=1·37?×?10(-8); rs78015114, p=1·31?×?10(-8); rs74795342, p=3·31?×?10(-9); and rs75222709, p=3·50?×?10(-9)). In an independent, prospective study of 73 patients treated with lithium monotherapy for a period of up to 2 years, carriers of the response-associated alleles had a significantly lower rate of relapse than carriers of the alternate alleles (p=0·03268, hazard ratio 3·8, 95% CI 1·1-13·0). INTERPRETATION:The response-associated region contains two genes for long, non-coding RNAs (lncRNAs), AL157359.3 and AL157359.4. LncRNAs are increasingly appreciated as important regulators of gene expression, particularly in the CNS. Confirmed biomarkers of lithium response would constitute an important step forward in the clinical management of bipolar disorder. Further studies are needed to establish the biological context and potential clinical utility of these findings. FUNDING:Deutsche Forschungsgemeinschaft, National Institute of Mental Health Intramural Research Program.

SUBMITTER: Hou L 

PROVIDER: S-EPMC4814312 | biostudies-literature | 2016 Mar

REPOSITORIES: biostudies-literature

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Genetic variants associated with response to lithium treatment in bipolar disorder: a genome-wide association study.

Hou Liping L   Heilbronner Urs U   Degenhardt Franziska F   Adli Mazda M   Akiyama Kazufumi K   Akula Nirmala N   Ardau Raffaella R   Arias Bárbara B   Backlund Lena L   Banzato Claudio E M CEM   Benabarre Antoni A   Bengesser Susanne S   Bhattacharjee Abesh Kumar AK   Biernacka Joanna M JM   Birner Armin A   Brichant-Petitjean Clara C   Bui Elise T ET   Cervantes Pablo P   Chen Guo-Bo GB   Chen Hsi-Chung HC   Chillotti Caterina C   Cichon Sven S   Clark Scott R SR   Colom Francesc F   Cousins David A DA   Cruceanu Cristiana C   Czerski Piotr M PM   Dantas Clarissa R CR   Dayer Alexandre A   Étain Bruno B   Falkai Peter P   Forstner Andreas J AJ   Frisén Louise L   Fullerton Janice M JM   Gard Sébastien S   Garnham Julie S JS   Goes Fernando S FS   Grof Paul P   Gruber Oliver O   Hashimoto Ryota R   Hauser Joanna J   Herms Stefan S   Hoffmann Per P   Hofmann Andrea A   Jamain Stephane S   Jiménez Esther E   Kahn Jean-Pierre JP   Kassem Layla L   Kittel-Schneider Sarah S   Kliwicki Sebastian S   König Barbara B   Kusumi Ichiro I   Lackner Nina N   Laje Gonzalo G   Landén Mikael M   Lavebratt Catharina C   Leboyer Marion M   Leckband Susan G SG   Jaramillo Carlos A López CAL   MacQueen Glenda G   Manchia Mirko M   Martinsson Lina L   Mattheisen Manuel M   McCarthy Michael J MJ   McElroy Susan L SL   Mitjans Marina M   Mondimore Francis M FM   Monteleone Palmiero P   Nievergelt Caroline M CM   Nöthen Markus M MM   Ösby Urban U   Ozaki Norio N   Perlis Roy H RH   Pfennig Andrea A   Reich-Erkelenz Daniela D   Rouleau Guy A GA   Schofield Peter R PR   Schubert K Oliver KO   Schweizer Barbara W BW   Seemüller Florian F   Severino Giovanni G   Shekhtman Tatyana T   Shilling Paul D PD   Shimoda Kazutaka K   Simhandl Christian C   Slaney Claire M CM   Smoller Jordan W JW   Squassina Alessio A   Stamm Thomas T   Stopkova Pavla P   Tighe Sarah K SK   Tortorella Alfonso A   Turecki Gustavo G   Volkert Julia J   Witt Stephanie S   Wright Adam A   Young L Trevor LT   Zandi Peter P PP   Potash James B JB   DePaulo J Raymond JR   Bauer Michael M   Reininghaus Eva Z EZ   Novák Tomas T   Aubry Jean-Michel JM   Maj Mario M   Baune Bernhard T BT   Mitchell Philip B PB   Vieta Eduard E   Frye Mark A MA   Rybakowski Janusz K JK   Kuo Po-Hsiu PH   Kato Tadafumi T   Grigoroiu-Serbanescu Maria M   Reif Andreas A   Del Zompo Maria M   Bellivier Frank F   Schalling Martin M   Wray Naomi R NR   Kelsoe John R JR   Alda Martin M   Rietschel Marcella M   McMahon Francis J FJ   Schulze Thomas G TG  

Lancet (London, England) 20160122 10023


<h4>Background</h4>Lithium is a first-line treatment in bipolar disorder, but individual response is variable. Previous studies have suggested that lithium response is a heritable trait. However, no genetic markers of treatment response have been reproducibly identified.<h4>Methods</h4>Here, we report the results of a genome-wide association study of lithium response in 2563 patients collected by 22 participating sites from the International Consortium on Lithium Genetics (ConLiGen). Data from c  ...[more]

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