Figure 9

Upregulated gene module that enriches for cell cycle related genes and E2F1 target genes exists in smoker samples in each data set. The modules that enrich for cell cycle related genes and E2F1 target genes in smoker samples of Smoker1 dataset (A), Smoker3 dataset (B), Smoker4 dataset (C), Smoker5 dataset (D) and Smoker6 dataset (E) are highlighted in the figures.