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pmid: 34002096
pmc: PMC8192451
Abstract Bipolar disorder (BD) is a heritable mental illness with complex etiology. We performed a genome-wide association study (GWAS) of 41,917 BD cases and 371,549 controls of European ancestry, which identified 64 associated genomic loci. BD risk alleles were enriched in genes in synaptic signaling pathways and brain-expressed genes, particularly those with high specificity of expression in neurons of the prefrontal cortex and hippocampus. Significant signal enrichment was found in genes encoding targets of antipsychotics, calcium channel blockers, antiepileptics and anesthetics. Integrating eQTL data implicated 15 genes robustly linked to BD via gene expression, encoding druggable targets such as HTR6, MCHR1, DCLK3 and FURIN. Analyses of BD subtypes indicated high but imperfect genetic correlation between BD type I and II and identified additional associated loci. Together, these results advance our understanding of the biological etiology of BD, identify novel therapeutic leads and prioritize genes for functional follow-up studies.
Multifactorial Inheritance, Bipolar Disorder, Major histocompatibility complex, [SDV.MHEP.PSM] Life Sciences [q-bio]/Human health and pathology/Psychiatrics and mental health, Medizin, Multifactorial inheritance, Medical and Health Sciences, Genome-wide association studies, Major Histocompatibility Complex/genetics, Major Histocompatibility Complex, Bipolar Disorder; Case-Control Studies; Chromosomes, Human; Genetic Predisposition to Disease; Genome, Human; Humans; Major Histocompatibility Complex; Multifactorial Inheritance; Phenotype; Quantitative Trait Loci; Risk Factors; Genome-Wide Association Study, Risk Factors, HUNT All-In Psychiatry, 2.1 Biological and endogenous factors, Chromosomes, Human, bipolar disorder, info:eu-repo/classification/ddc/570, Genome, Bipolar Disorder/genetics, Biological Sciences, Serious Mental Illness, Mental Illness, Bioinformatics and computational biology, attention deficit hyperactivity disorder, Mental Health, Phenotype, Neurological, Mental health, Biotechnology, Human, 570, Genome-wide association study, Quantitative trait loci, Bipolar disorder, Agricultural biotechnology, Quantitative Trait Loci, 610, Genetic predisposition to disease, Human chromosomes, Chromosomes, Article, SDG 3 - Good Health and Well-being, Genetics, Humans, Genetic Predisposition to Disease, genome, Multifactorial Inheritance/genetics, Genome, Human, case-control studies, Human Genome, Chromosomes, Human/genetics, Brain Disorders, Good Health and Well Being, Psychologie, Case-Control Studies, Quantitative Trait Loci/genetics, Developmental Biology, Genome-Wide Association Study
Multifactorial Inheritance, Bipolar Disorder, Major histocompatibility complex, [SDV.MHEP.PSM] Life Sciences [q-bio]/Human health and pathology/Psychiatrics and mental health, Medizin, Multifactorial inheritance, Medical and Health Sciences, Genome-wide association studies, Major Histocompatibility Complex/genetics, Major Histocompatibility Complex, Bipolar Disorder; Case-Control Studies; Chromosomes, Human; Genetic Predisposition to Disease; Genome, Human; Humans; Major Histocompatibility Complex; Multifactorial Inheritance; Phenotype; Quantitative Trait Loci; Risk Factors; Genome-Wide Association Study, Risk Factors, HUNT All-In Psychiatry, 2.1 Biological and endogenous factors, Chromosomes, Human, bipolar disorder, info:eu-repo/classification/ddc/570, Genome, Bipolar Disorder/genetics, Biological Sciences, Serious Mental Illness, Mental Illness, Bioinformatics and computational biology, attention deficit hyperactivity disorder, Mental Health, Phenotype, Neurological, Mental health, Biotechnology, Human, 570, Genome-wide association study, Quantitative trait loci, Bipolar disorder, Agricultural biotechnology, Quantitative Trait Loci, 610, Genetic predisposition to disease, Human chromosomes, Chromosomes, Article, SDG 3 - Good Health and Well-being, Genetics, Humans, Genetic Predisposition to Disease, genome, Multifactorial Inheritance/genetics, Genome, Human, case-control studies, Human Genome, Chromosomes, Human/genetics, Brain Disorders, Good Health and Well Being, Psychologie, Case-Control Studies, Quantitative Trait Loci/genetics, Developmental Biology, Genome-Wide Association Study
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