Integrating a functional proteomic approach into the target discovery process

被引:18
作者
Colland, F [1 ]
Daviet, L [1 ]
机构
[1] Hybrigen SA, F-75014 Paris, France
关键词
yeast two-hybrid; protein interaction map; functional proteomics; signaling pathway; target validation;
D O I
10.1016/j.biochi.2004.09.014
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Functional proteomics is a promising technique for the rational identification of novel therapeutic targets by elucidation of the function of newly identified proteins in disease-relevant cellular pathways. Of the recently described high-throughput approaches for analyzing protein-protein interactions, the yeast two-hybrid (Y2H) system has turned out to be one of the most suitable for genome-wide analysis. However, this system presents a challenging technical problem: the high prevalence of false positives and false negatives in datasets due to intrinsic limitations of the technology and the use of a high-throughput, genetic assay. We discuss here the different experimental strategies applied to Y2H assays, their general limitations and advantages. We also address the issue of the contribution of protein interaction mapping to functional biology, especially when combined with complementary genomic and proteomic analyses. Finally, we illustrate how the combination of protein interaction maps with relevant functional assays can provide biological support to large-scale protein interaction datasets and contribute to the identification and validation of potential therapeutic targets. (C) 2004 Elsevier SAS. All rights reserved.
引用
收藏
页码:625 / 632
页数:8
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