IPA at 4 h revealed that 7 genes [Btg2, Ccng2, Cdkn1a, Gadd45b, Gadd45g, Phlda3, and Mdm2] of 18 genes, which showed statistically significant increases, were associated with cancer, cell cycle, cell death and survival, and cellular growth and proliferation. Here, MDM2 is linked to cancer.