Histogram and pie chart of the GO classification of differentially expressed genes using the PANTHER Classification System.

<p>(A) The functional classification on the basis of the biological process shows an overrepresentation of differentially regulated genes involved in cellular and metabolic processes. (B) The majority of genes that are differentially regulated within the category of cellular process are involved in cell communication, cell cycle and cellular component movement. The percentages in Figs 2A and 2B correspond to the genes assigned to a specific GO term over the total number of differentially expressed genes.