ACTION OF GROWTH HORMONE RELEASE INHIBITORY HORMONE ON PROLACTIN RELEASE IN RAT PITUITARY CELL CULTURES

1974 ◽  
Vol 61 (1) ◽  
pp. 163-164 ◽  
Author(s):  
N. H. GRANT ◽  
D. SARANTAKIS ◽  
J. P. YARDLEY
Keyword(s):  
Growth Hormone ◽  
Cell Cultures ◽  
Pituitary Cell ◽  
Hormone Release ◽  
Growth Hormone Release ◽  
Prolactin Release ◽  
Rat Pituitary

Bromocriptine Inhibits Growth Hormone Release from Rat Pituitary Cells in Primary Culture

1984 ◽  
Vol 175 (2) ◽  
pp. 191-195 ◽  
Author(s):  
M. J. Cronin ◽  
M. O. Thorner ◽  
P. Hellmann ◽  
A. D. Rogol
Keyword(s):  
Growth Hormone ◽  
Primary Culture ◽  
Pituitary Cells ◽  
Hormone Release ◽  
Growth Hormone Release ◽  
Rat Pituitary ◽  
Rat Pituitary Cells

Role for serotonin3 receptors in the control of adrenocorticotropic hormone release from rat pituitary cell cultures

1995 ◽  
Vol 133 (2) ◽  
pp. 251-254 ◽  
Author(s):  
Aldo E Calogero ◽  
Gyorgy Bagdy ◽  
Nunziatina Burrello ◽  
Pietro Polosa ◽  
Rosario D'Agata
Keyword(s):  
Pituitary Gland ◽  
Receptor Antagonist ◽  
Cell Cultures ◽  
Adrenocorticotropic Hormone ◽  
Pituitary Cell ◽  
Hormone Release ◽  
Mdl 72222 ◽  
Rat Pituitary ◽  
Ics 205 930 ◽  
Acth Release

Calogero AE, Bagdy G, Burrello N, Polosa P. D'Agata R. Role for serotonin3 receptors in the control of adrenocorticotropic hormone release from rat pituitary cell cultures. Eur J Endocrinol 1995;133:251–4. ISSN 0804–4643 Although several serotonin (5-HT) receptor types have been shown capable of stimulating the release of adrenocorticotropic hormone (ACTH) from the pituitary gland, relatively little is known about the role of the 5-HT3 receptor, a receptor that has generated a great deal of interest for its involvement in many behavioral and therapeutic effects. Hence, in this study, we tested the effects of the 5-HT¾ receptor antagonist 3-tropanyl-indole-3-carboxylate (ICS 205-930) and the selective 5-HT3 receptor antagonist 3-tropanyl-3,5-dichlorobenzoate (MDL 72222) on ACTH release stimulated by 5-HT from primary cultures of rat pituitary cells. Subsequently, we evaluated the effects of the selective 5-HT3 receptor agonist 1-(m-chlorophenyl)-biguanide (m-CPBG) on basal, corticotropin-releasing hormone (CRH)- and arginine vasopressin (AVP)-stimulated ACTH release. The maximal stimulatory effect of 5-HT (10−9 mol/l on ACTH release was antagonized by both ICS 205-930 and MDL 72222, suggesting that 5-HT stimulates basal ACTH release through activation of 5-HT3 receptors. Accordingly, m-CPBG stimulated basal ACTH release in a concentration-dependent fashion. In contrast to 5-HT, m-CPBG did not have any effect on CRH-stimulated ACTH release and inhibited AVP-stimulated ACTH release in a concentration-dependent manner. These data suggest that the 5-HT3 receptor is involved in the release of ACTH from the pituitary gland in vitro. Aldo E Calogero, Istituto di Clinica Medica I, Ospedale Garibaldi, Piazza S Maria di Gesú, 95123 Catania, Italy

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