Table 3.

G2/M cell cycle-related genes

Gene name	Gene symbol	Affymetrix ID	WT adenoma	Null adenoma
Cell division cycle 2 homolog A	Cdc2a	1448314_at	6.12	2.39
Cell division cycle 25 homolog B	Cdc25b	1421963_a_at	0.63	1.35
Checkpoint kinase 1 homolog	Chek1	1450677_at	0.13	0.20
Checkpoint kinase 2 homolog	Chek2	1422747_at	0.76	0.43
Cyclin B1	Ccnb1	1448205_at	1.51	3.38
Cyclin B2	Ccnb2	1450920_at	4.23	13.03
Cyclin-dependent kinase 7	Cdk7	1451741_a_at	5.21	0.46
Cyclin-dependent kinase inhibitor 1A (P21)	Cdkn1a	1421679_a_at	1.11	0.56
Growth arrest and DNA-damage-inducible 45 alpha	Gadd45a	1449519_at	7.09	0.78
Myelin transcription factor 1	Myt1	1422773_at	0.94	0.31
Transformation related protein 53	Trp53	1427739_a_at	1.64	1.80

Data are expressed as the ratio of gene expression to those of respective normal liver exposed to 0.01% DEHP in WT and 0.05% DEHP in Null (respective normal level=1). WT, hepatocellular adenoma tissues of wild-type mice; Null, hepatocellular adenoma tissues of Pparα-null mice (n=1).