Analyses of Associations Between Three Positionally Cloned Asthma Candidate Genes and Asthma or Asthma-related Phenotypes in a Chinese Population

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Analyses of Associations Between Three Positionally Cloned Asthma Candidate Genes and Asthma or Asthma-related Phenotypes in a Chinese Population

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Title: Analyses of Associations Between Three Positionally Cloned Asthma Candidate Genes and Asthma or Asthma-related Phenotypes in a Chinese Population
Author: Zhou, Huanyu; Hong, Xiumei; Jiang, Shanqun; Dong, Hongxing; Xu, Xiping; Xu, Xin

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Citation: Zhou, Huanyu, Xiumei Hong, Shanqun Jiang, Hongxing Dong, Xiping Xu, and Xin Xu. 2009. Analyses of associations between three positionally cloned asthma candidate genes and asthma or asthma-related phenotypes in a Chinese population. BMC Medical Genetics 10:123.
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Abstract: Background: Six asthma candidate genes, ADAM33, NPSR1, PHF11, DPP10, HLA-G, and CYFIP2, located at different chromosome regions have been positionally cloned following the reported linkage studies. For ADAM33, NPSR1, and CYFIP2, the associations with asthma or asthma-related phenotypes have been studied in East Asian populations such as Chinese and Japanese. However, for PHF11, DPP10, and HLA-G, none of the association studies have been conducted in Asian populations. Therefore, the aim of the present study is to test the associations between these three positionally cloned genes and asthma or asthma-related phenotypes in a Chinese population. Methods: Two, five, and two single nucleotide polymorphisms (SNPs) in the identified top regions of PHF11, DPP10, and HLA-G, respectively, were genotyped in 1183 independent samples. The study samples were selected based on asthma affectation status and extreme values in at least one of the following three asthma-related phenotypes: total serum immunoglobulin E levels, bronchial responsiveness test, and skin prick test. Both single SNP and haplotype analyses were performed. Results: We found that DPP10 was significantly associated with bronchial hyperresponsiveness (BHR) and BHR asthma after the adjustment for multiple testing; while the associations of PHF11 with positive skin reactions to antigens and the associations of HLA-G with BHR asthma were only nominally significant. Conclusion: Our study is the first one to provide additional evidence that supports the roles of DPP10 in influencing asthma or BHR in a Chinese population.
Published Version: doi:10.1186/1471-2350-10-123
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2799396/pdf/
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Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:4595154
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