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Cited 66 time in webofscience Cited 74 time in scopus
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Genome-Wide and Follow-Up Studies Identify CEP68 Gene Variants Associated with Risk of Aspirin-Intolerant Asthma

Authors
Kim, Jeong-HyunPark, Byung-LaeCheong, Hyun SubBae, Joon SeolPark, Jong SookJang, An SooUh, Soo-TaekChoi, Jae-SungKim, Yong-HoonKim, Mi-KyeongChoi, Inseon S.Cho, Sang HeonChoi, Byoung WhuiPark, Choon-SikShin, Hyoung Doo
Issue Date
3-Nov-2010
Publisher
PUBLIC LIBRARY SCIENCE
Citation
PLOS ONE, v.5, no.11
Journal Title
PLOS ONE
Volume
5
Number
11
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/22085
DOI
10.1371/journal.pone.0013818
ISSN
1932-6203
Abstract
Aspirin-intolerant asthma (AIA) is a rare condition that is characterized by the development of bronchoconstriction in asthmatic patients after ingestion of non-steroidal anti-inflammatory drugs including aspirin. However, the underlying mechanisms of AIA occurrence are still not fully understood. To identify the genetic variations associated with aspirin intolerance in asthmatics, the first stage of genome-wide association study with 109,365 single nucleotide polymorphisms (SNPs) was undertaken in a Korean AIA (n = 80) cohort and aspirin-tolerant asthma (ATA, n = 100) subjects as controls. For the second stage of follow-up study, 150 common SNPs from 11 candidate genes were genotyped in 163 AIA patients including intermediate AIA (AIA-I) subjects and 429 ATA controls. Among 11 candidate genes, multivariate logistic analyses showed that SNPs of CEP68 gene showed the most significant association with aspirin intolerance (P values of co-dominant for CEP68, 6.0x10(-5) to 4.0x10(-5)). All seven SNPs of the CEP68 gene showed linkage disequilibrium (LD), and the haplotype of CEP68_ht4 (T-G-A-A-A-C-G) showed a highly significant association with aspirin intolerance (OR = 2.63; 95% CI = 1.64-4.21; P = 6.0x10(-5)). Moreover, the nonsynonymous CEP68 rs7572857G>A variant that replaces glycine with serine showed a higher decline of forced expiratory volume in 1s (FEV(1)) by aspirin provocation than other variants (P = 3.0x10(-5)). Our findings imply that CEP68 could be a susceptible gene for aspirin intolerance in asthmatics, suggesting that the nonsynonymous Gly74Ser could affect the polarity of the protein structure.
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