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Using GenMAPP and MAPPFinder to analyze publicly available cancer microarray data.
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This exercise can be modified so that it can be presented in introductory biology, genetics, molecular biology, or biochemistry courses. |
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Students will analyze a publicly available microarray dataset using the GenMAPP and MAPPFinder software. GenMAPP is a program for viewing and analyzing microarray data on biological pathways and any other functional grouping of genes. MAPPFinder matches expression data to the Gene Ontology categories and gives a global overview of the data in terms of all known biology. The students will examine which Gene Ontology processes, functions, and components are up- and down-regulated in the cancer cells. Depending on their level, they can then look at the genes in individual pathways and/or draw additional pathways. |
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GenMAPP, MAPPFinder, and the MAPP Archives can be downloaded free-of-charge from http://www.GenMAPP.org. We are evaluating publicly available breast cancer datasets for use in this exercise from: Perou et al., (1999) PNAS 96:9212-9217 http://genome-www.stanford.edu/breast_cancer/sbcmp/ and: van ‘t Veer et al. (2002) Nature 415:530-536 http://www.rii.com/publications/2002/vantveer.htm Datasets derived from these resources and step-by-step protocols will be forthcoming. |
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