CDH13 and HCRTR2 May Be Associated with Hypersomnia Symptom of Bipolar Depression: A Genome-Wide Functional Enrichment Pathway Analysis
Psychiatry Investigation
;
: 402-407, 2015.
Artigo
em Inglês
| WPRIM
| ID: wpr-213398
ABSTRACT
Although bipolar disorder is highly heritable, the identification of specific genetic variations is limited because of the complex traits underlying the disorder. We performed a genome-wide association study of bipolar disorder using a subphenotype that shows hypersomnia symptom during a major depressive episode. We investigated a total of 2,191 cases, 1,434 controls, and 703,012 single nucleotide polymorphisms (SNPs) in the merged samples obtained from the Translational Genomics Institute and the Genetic Association Information Network. The gene emerging as the most significant by statistical analysis was rs1553441 (odds ratio=0.4093; p=1.20x10-5; Permuted p=6.0x10-6). However, the 5x0-8 threshold for statistical significance required in a genome-wide association study was not achieved. The functional enrichment pathway analysis showed significant enrichments in the adhesion, development-related, synaptic transmission-related, and cell recognition-related pathways. For further evaluation, each gene of the enriched pathways was reviewed and matched with genes that were suggested to be associated with psychiatric disorders by previous genetic studies. We found that the cadherin 13 and hypocretin (orexin) receptor 2 genes may be involved in the hypersomnia symptom during a major depressive episode of bipolar disorder.
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Assunto principal:
Variação Genética
/
Transtorno Bipolar
/
Polimorfismo de Nucleotídeo Único
/
Genômica
/
Estudo de Associação Genômica Ampla
/
Orexinas
/
Distúrbios do Sono por Sonolência Excessiva
/
Serviços de Informação
Tipo de estudo:
Estudo diagnóstico
Idioma:
Inglês
Revista:
Psychiatry Investigation
Ano de publicação:
2015
Tipo de documento:
Artigo
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