Effect of somatostatin on growth hormone and prolactin response to dermorphin in man
Ettore C. degli Uberti, Giorgio Trasforini, Severo Salvadori, Angelo Margutti, V. Teodori, C.A. Rotola, Roberto Tomatis, R Pansini
Abstract
Ettore C. degli Uberti, Giorgio Trasforini, Severo Salvadori, Angelo Margutti, V. Teodori, C.A. Rotola, Roberto Tomatis, R Pansini
Abstract
The effects of iv somatostatin (somatotrophin release inhibiting factor (SRIF) on growth hormone (GH) and prolactin (Prl) response to dermorphin (D) were tested in 6 healthy men. In all subjects D induced a significant increase in GH and Prl levels, as expected. SRIF completely blocked the GH-releasing activity of D, whereas it only reduced the Prl-releasing activity. The results confirm that D is a potent stimulant for GH and Prl release in man, and furthermore demonstrate that the action of D on GH secretion can be completely overridden by SRIF.
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The effects of iv somatostatin (somatotrophin release inhibiting factor (SRIF) on growth hormone (GH) and prolactin (Prl) response to dermorphin (D) were tested in 6 healthy men. In all subjects D induced a significant increase in GH and Prl levels, as expected. SRIF completely blocked the GH-releasing activity of D, whereas it only reduced the Prl-releasing activity. The results confirm that D is a potent stimulant for GH and Prl release in man, and furthermore demonstrate that the action of D on GH secretion can be completely overridden by SRIF.
Key concepts: Somatostatin, Prolactin, Dermorphin, Internal medicine, Endocrinology, Growth hormone, Hormone, Chemistry