NCR-PCOPGene : An Exploratory Tool for Analysis of Sample-Classes Effect on Gene-Expression Relationships
Cedano Rodríguez, Juan Antonio (Institut de Biotecnologia i de Biomedicina "Vicent Villar Palasí")
Huerta Casado, Mario (Institut de Biotecnologia i de Biomedicina "Vicent Villar Palasí")
Querol Murillo, Enrique (Institut de Biotecnologia i de Biomedicina "Vicent Villar Palasí")
Universitat Autònoma de Barcelona. Departament de Bioquímica i Biologia Molecular

Fecha: 2008
Resumen: Background. Microarray technology is so expensive and powerful that it is essential to extract maximum value from microarray data. Our tools allow researchers to test and formulate from a hypothesis to entire models. Results. The objective of the NCRPCOPGene is to study the relationships among gene expressions under different conditions, to classify these conditions, and to study their effect on the different relationships. The web application makes it easier to define the sample classes, grouping the microarray experiments either by using (a) biological, statistical, or any other previous knowledge or (b) their effect on the expression relationship maintained among specific genes of interest. By means of the type (a) class definition, the researcher can add biological information to the gene-expression relationships. The type (b) class definition allows for linking genes correlated neither linearly nor nonlinearly. Conclusions. The PCOPGene tools are especially suitable for microarrays with large sample series. This application helps to identify cellular states and the genes involved in it in a flexible way. The application takes advantage of the ability of our system to relate gene expressions; even when these relationships are noncontinuous and cannot be found using linear or nonlinear analytical methods.
Nota: Número d'acord de subvenció MCYT/BFU2004/06377-C02-01
Nota: Número d'acord de subvenció MCYT/BIO2007/67904-C02-01
Derechos: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. Creative Commons
Lengua: Anglès.
Documento: article ; recerca ; publishedVersion
Publicado en: Advances in bioinformatics, Vol. 2008 (Desember 2008) , art. 789026, ISSN 1687-8035

PMID: 19920990


7 p, 953.8 KB

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