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Table 2 PRL concentrations of 1-min sampled perfusate, EFS of 10 min (Mean ± SD, pg/ml)

From: Excitatory and inhibitory effects of prolactin release activated by nerve stimulation in rat anterior pituitary

  Group E Group F Group G Group H
-1 120 ± 2.1 119 ± 2.5 120 ± 1.6 109 ± 0.5
0 137 ± 5.7 114 ± 5.6 132 ± 5.1 104 ± 5.1
1 159 ± 9.3** 117 ± 3.1 144 ± 4.1* 107 ± 0.8
2 182 ± 13.0** 121 ± 2.8 119 ± 7.6** 109 ± 3.3
3 203 ± 7.4** 120 ± 1.4 106 ± 11.0** 111 ± 1.3
4 200 ± 22.5** 115 ± 4.2 94 ± 10.7* 103 ± 3.6
5 200 ± 2.6** 118 ± 1.2 93 ± 5.3* 106 ± 1.6
6 204 ± 11.7** 120 ± 3.0 89 ± 6.0** 109 ± 3.4
7 206 ± 9.9** 120 ± 2.1 84 ± 4.6** 109 ± 0.1
8 196 ± 7.4** 115 ± 5.0 81 ± 6.1** 103 ± 4.9
9 197 ± 5.3** 118 ± 1.7 80 ± 3.3** 108 ± 1.2
K + 568 ± 82.6** 499 ± 36.2** 446 ± 50.4** 489 ± 34.6**
N 5 6 7 4
  1. Group E: 2 Hz. Group F: 2 Hz + TTX (1 μmol/L). Group G: 10 Hz. Group H: 10 Hz + TTX (1 μmol/L).
  2. The perfusate was continuously collected as aliquots every 1 min and measured by RIA. Italic data represents results during electrical field stimulation.
  3. TTX, tetrodotoxin; EFS, electrical field stimulation; N, the number of the rat used.
  4. *Significant changes within group (* P < 0.05, ** P < 0.01).