Table 1.

5-HT and norepinephrine levels in the spinal cord of control and 5,7-DHT WT and SERT-KO rats

	5-HT Levels (n)		Norepinephrine Levels (n)
	Control	5,7-DHT treated	Control	5,7-DHT treated
WT male	279 ± 33 (5)	140 ± 40 (4)*	133 ± 41 (2)	132 ± 11 (3)
SERT-KO male	161 ± 34 (5)	87 ± 7 (5)	158 + 39 (2)	101 ± 9 (3)
WT female	224 ± 38 (5)	72 ± 18 (5)*	121 ± 24 (2)	144 + 30 (5)
SERT-KO female	178 ± 10 (7)	122 ± 9 (6)*	190 ± 13 (3)	182 ± 25 (5)

Values are means ± SE. 5,7-DHT, 5,7-dihydroxytryptamine; 5-HT, 5-hydroxytryptamine; SERT-KO, serotonin transporter-knockout; WT, wild type.

^*Significantly different from control rats.