Table 2.

Relative mRNA expression of Abcb1 and Abcg2 in the NAc following voluntary ethanol consumption and repeated cocaine exposure expressed as mean ± SD.

Abcb1 mRNA expression				Abcg2 mRNA expression
Vehicle		EtOH-saline	EtOH-cocaine	Vehicle		EtOH-saline	EtOH-cocaine
0.93		0.47	0.77	0.85		0.61	0.44
1.17		0.51	0.73	0.95		0.46	0.82
0.80		0.45	0.60	0.84		0.74	0.72
1.53		0.96	0.70	1.02		0.49	0.84
0.76		0.42	0.37	1.44		0.24	0.40
Mean ± SD	1.04 ± 0.32	0.56 ± 0.22	0.63 ± 0.16	Mean ± SD	1.02 ± 0.25	0.51 ± 0.19	0.64 ± 0.21