Table 1.

Basal dialysate dopamine concentrations and peak dialysate ethanol concentrations in MOR +/+, −/− and +/− male (M) and female (F) C57BL/6J mice. Values represent mean concentrations ± SEM.

Experiment	Sex	Genotype	Basal DA (nM)	Peak EtOH (mM)	n
1g/kg	M	+/+	1.2 ± 0.1	4.1 ± 0.8	5
		−/−	1.1 ± 0.3	4.9 ± 0.6	3
		+/−	1.4 ± 0.2	4.7 ± 0.6	6
	F	+/+	1.4 ± 0.1	5.4 ± 0.4	5
		−/−	1.6 ± 0.4	5.0 ± 0.6	6
		+/−	1.5 ± 0.2	4.5 ± 0.4	6
2g/kg	M	+/+	1.2 ± 0.4	11.1 ± 1.1	6
		−/−	1.6 ± 0.5	10.5 ± 1.5	5
		+/−	1.3 ± 0.2	10.4 ± 0.8	7
	F	+/+	1.2 ± 0.4	10.5 ± 0.3	5
		−/−	1.2 ± 0.3	10.9 ± 1.1	6
		+/−	1.3 ± 0.2	9.5 ± 0.8	6
3g/kg	M	+/+	1.1 ± 0.3	14.6 ± 1.0	5
		−/−	1.4 ± 0.5	14.7 ± 1.3	4
		+/−	1.5 ± 0.3	14.6 ± 0.5	8
	F	+/+	1.1 ± 0.3	14.9 ± 0.8	6
		−/−	1.3 ± 0.3	13.7 ± 1.4	8
		+/−	1.2 ± 0.3	16.7 ± 1.9	7
Morphine		+/+	1.2 ± 0.3	—	9
				—	(5M, 4F)
		−/−	0.9 ± 0.2	—	7
				—	(5M, 2F)