Effect of Thyroid Status on the Prolactin-Releasing Action of Vasoactive Intestinal Peptide in Humans: Comparison with the Action of Thyrotropin-Releasing Hormone

1995 ◽  
Vol 61 (2) ◽  
pp. 207-212 ◽  
Author(s):  
Hajime Watanobe ◽  
Shinsuke Sasaki
Endocrinology ◽  
1988 ◽  
Vol 123 (1) ◽  
pp. 523-527 ◽  
Author(s):  
J. M. M. RONDEEL ◽  
W. J. DE GREEF ◽  
P. VAN DER SCHOOT ◽  
B. KARELS ◽  
W. KLOOTWIJK ◽  
...  

1990 ◽  
Vol 10 (2) ◽  
pp. 189-199 ◽  
Author(s):  
Trine Bjøro ◽  
Olav Sand ◽  
Bjørn Chr. Østberg ◽  
Jan O. Gordeladze ◽  
Peter Torjesen ◽  
...  

The effect of vasoactive intestinal peptide (VIP) on prolactin (PRL) secretion from pituitary cells is reviewed and compared to the effect of thyrotropin releasing hormone (TRH). These two peptides induced different secretion profiles from parafused lactotrophs in culture. TRH was found to increase PRL secretion within 4 s and induced a biphasic secretion pattern, while VIP induced a monophasic secretion pattern after a lag time of 45–60 s. The secretion profiles are compared to changes in adenylate cyclase activity, production of inositol polyphosphates, changes in intracellular calcium concentrations and changes in electrophysiological properties of the cell membrane.


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