Exome sequencing of extreme phenotypes identifies DCTN4 as a modifier of chronic Pseudomonas aeruginosa infection in cystic fibrosis.

Exome sequencing of extreme phenotypes identifies DCTN4 as a modifier of chronic Pseudomonas aeruginosa infection in cystic fibrosis.
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DOI:
10.1038/ng.2344
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发表时间:
2012-07-08
期刊:
影响因子:
30.8
通讯作者:
Bamshad, Michael J.
Bamshad, Michael J.
中科院分区:
生物学1区
文献类型:
--
作者:
Emond, Mary J.;Louie, Tin;Emerson, Julia;Zhao, Wei;Mathias, Rasika A.;Knowles, Michael R.;Wright, Fred A.;Rieder, Mark J.;Tabor, Holly K.;Nickerson, Deborah A.;Barnes, Kathleen C.;Go, Lung;Gibson, Ronald L.;Bamshad, Michael J.

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Exome sequencing has become a powerful and effective strategy for discovery of genes underlying Mendelian disorders. However, use of exome sequencing to identify variants associated with complex traits has been more challenging, partly because the samples sizes needed for adequate power may be very large. One strategy to increase efficiency is to sequence individuals who are at both ends of a phenotype distribution (i.e., extreme phenotypes). Because the frequency of alleles that contribute to the trait are enriched in one or both extremes of phenotype, a modest sample size can potentially identify novel candidate genes/alleles. As part of the National Heart, Lung, and Blood Institute Exome Sequencing Project (ESP), we used an extreme phenotype design to discover that variants in DCTN4, encoding a dynactin protein, are associated with time to first Pseudomonas aeruginosa (P. aeruginosa) airway infection, chronic P. aeruginosa infection and mucoid P. aeruginosa among individuals with cystic fibrosis (MIM219700).
自噬在肺泡巨噬细胞清除铜绿假单胞菌中起着重要作用
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