Table 5. Effects of dietary fish oil on hepatic gene expression of some metabolic enzymes.

Gene	Group	Normalized ΔΔ Ct values		P
		CO (Mean±SEM)	FO (Mean±SEM)
Cyp1a1*	DMSO	5.38±0.36	5.28±0.13	0.903
	HD PAHs	2.69±0.07	6.32±0.31	<0.001
	LD PAHs	3.52±0.16	4.41±0.12	0.038
Cyp1b1*	DMSO	7.66±0.60	7.73±0.56	0.967
	HD PAHs	8.65±0.59	8.58±0.45	0.963
	LD PAHs	8.19±0.54	9.88±0.46	0.232
Gstt1**	DMSO	8.20±1.19	18.38±3.63	0.037
	HD PAHs	21.03±2.60	27.05±1.69	0.100
	LD PAHs	15.06±2.25	24.58±1.61	0.014
Gstm1**	DMSO	2.40±0.26	2.65±0.18	0.460
	HD PAHs	7.37±.11	8.24±0.61	0.517
	LD PAHs	2.71±0.29	2.74±0.33	0.947

*2∧(−(Ct value − β-actin value − 15));

**2∧(−(Ct value − β-actin value − 3));

n = 4.