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Graphite Web: web tool for gene set analysis exploiting pathway topology  

2013-05-23 08:01:58|  分类: 生物信息分析 |  标签: |举报 |字号 订阅

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Graphite web is a novel web tool for pathway analyses and network visualization for gene expression data of both microarray and RNA-seq experiments. Several pathway analyses have been proposed either in the univariate or in the global and multivariate context to tackle the complexity and the interpretation of expression results. These methods can be further divided into ‘topological’ and ‘non-topological’ methods according to their ability to gain power from pathway topology. Biological pathways are, in fact, not only gene lists but can be represented through a network where genes and connections are, respectively, nodes and edges. To this day, the most used approaches are non-topological and univariate although they miss the relationship among genes. On the contrary, topological and multivariate approaches are more powerful, but difficult to be used by researchers without bioinformatic skills.

Here, researchers from the University of Padova, Italy present Graphite web, the first public web server for pathway analysis on gene expression data that combines topological and multivariate pathway analyses with an efficient system of interactive network visualizations for easy results interpretation. Specifically, Graphite web implements five different gene set analyses on three model organisms and two pathway databases.

Graphite Web: web tool for gene set analysis exploiting pathway topology - 喜欢吃桃子 - wangyufeng的博客
 

Availability – Graphite Web is freely available at http://graphiteweb.bio.unipd.it/.

Sales G, Calura E, Martini P, Romualdi C. (2013) Graphite Web: web tool for gene set analysis exploiting pathway topology. Nucleic Acids Res [Epub ahead of print]. [article]

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