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Table 4 PRL concentrations of 10-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 M Group N Group O Group P
-10 119 ± 1.0 119 ± 1.3 120 ± 1.2 120 ± 2.1
0 181 ± 6.1** 114 ± 3.8 110 ± 6.6 114 ± 5.2
10 181 ± 5.1** 117 ± 1.3 88 ± 2.4** 118 ± 1.1
20 179 ± 6.4** 120 ± 3.6 80 ± 0.6** 120 ± 2.4
30 151 ± 7.0** 119 ± 2.0 81 ± 2.3** 120 ± 1.3
40 117 ± 6.0 116 ± 3.7 93 ± 3.3** 117 ± 5.2
50 118 ± 4.2 118 ± 1.5 105 ± 6.3 120 ± 1.1
60 119 ± 3.2 119 ± 3.0 115 ± 3.6 121 ± 4.8
70 119 ± 3.2 119 ± 1.9 116 ± 4.7 121 ±1.7
80 113 ± 4.4 115 ± 3.9 117 ± 4.5 115 ± 4.6
90 118 ± 2.1 117 ± 1.6 119 ± 1.4 119 ± 2.1
K + 542 ± 24.4** 576 ± 18.3** 566 ± 38.9** 604 ± 8.3**
N 6 5 5 5
  1. Group M: 2 Hz. Group N: 2 Hz + TTX (1 μmol/L). Group O: 10 Hz. Group P: 10 Hz + TTX (1 μmol/L).
  2. The perfusate was continuously collected as aliquots every 10 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 < 0.01).