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A genome-wide association study of seasonal pattern mania identifies NF1A as a possible susceptibility gene for bipolar disorder.

Authors
Lee, HJ; Woo, HG; Greenwood, TA; Kripke, DF; Kelsoe, JR
Citation
Journal of affective disorders, 145(2):200-207, 2013
Journal Title
Journal of affective disorders
ISSN
0165-03271573-2517
Abstract
OBJECTIVE: The use of subphenotypes may be an effective approach for genetic studies of complex diseases. Manic episodes with a seasonal pattern may distinguish phenotypic subgroups of bipolar subjects that may also differ genetically.



METHOD: We have performed a genome-wide association study using GAIN genotype data from the Bipolar Genome Study (BiGS) and bipolar subjects that were categorized as having either seasonal or non-seasonal patterned manic episodes.



RESULTS: A bipolar case-only analysis identified three genomic regions that differed between seasonal and non-seasonal patterned manic episodes of bipolar subjects. The most significant association was for rs41350144, which lies within an intron of NF1A gene on 1p31 (P=3.08×10(-7), OR=2.27). Haplotype construction using flanking three SNPs (rs41453448, rs1125777, and rs12568010) spanning 7549bp showed a more significant association (P=2.12×10(-7), OR=0.4).



CONCLUSIONS: These data suggest that genetic variants in the NF1A gene region may predispose to seasonal patterned of mania in bipolar disorder.
MeSH terms
Bipolar Disorder/*genetics*Genetic Predisposition to DiseaseGenome-Wide Association StudyGenotypeHaplotypesHumansIntrons/geneticsNFI Transcription Factors/*geneticsPolymorphism, Single Nucleotide*Seasons
DOI
10.1016/j.jad.2012.07.032
PMID
22925353
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Physiology
AJOU Authors
우, 현구
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