Gene expression analysis in response to lung toxicants: I. Sequencing and microarray development.

Gene expression analysis in response to lung toxicants: I. Sequencing and microarray development.
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对肺毒物反应的基因表达分析:I.测序和微阵列开发。

DOI:
10.1165/rcmb.2003-0214oc
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发表时间:
2004
期刊:
American journal of respiratory cell and molecular biology.
影响因子:
--
通讯作者:
Buckpitt,AlanR
Buckpitt,AlanR
中科院分区:
--
文献类型:
--
作者:
Shultz,MichaelA;Zhang,Lu;Gu,Yi-Zhong;Baker,GregoryL;Fannuchi,MichelleV;Padua,AllanM;Gurske,WilliamA;Morin,Dexter;Penn,SharronG;Jovanovich,StevanB;Plopper,CharlesG;Buckpitt,AlanR

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A key challenge in measuring gene expression changes in the lung in response to site-selective toxicants is differentiating between target and nontarget areas. The toxicity for the cytotoxicant 1-nitronaphthalene is highly localized in the airway epithelium. Target cells comprise but a fraction of the total lung cell mass; measurements from whole lung homogenates are not likely to reflect what occurs at the target site. Additionally, the use of generic microarrays to measure expression in airway epithelium may not provide a good representation of transcripts present at the site of toxic action. cDNA libraries from airway and alveolar subcompartments of rat lung were sequenced for the development of a custom microarray representative of these lung regions. We identified 7,460 nonredundant rat lung sequences. Nearly 30% of the sequences on this array are not present on the Affymetrix Rat GeneChip 230. A 20,000-element microarray was developed that delineates differences in gene expression between subcompartments. This is the first in a series of articles employing this microarray for detecting gene expression changes during acute injury produced by 1-nitronaphthalene and subsequent repair.
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