The mechanisms by which vasoactive intestinal peptide (VIP) and thyrotropin releasing hormone (TRH) stimulate prolactin release from pituitary cells-Reference-Cited by-同舟云学术

The mechanisms by which vasoactive intestinal peptide (VIP) and thyrotropin releasing hormone (TRH) stimulate prolactin release from pituitary cells

Published:1990-04-01 Issue:2 Volume:10 Page:189-199
ISSN:0144-8463
Container-title:Bioscience Reports
language:en
Short-container-title:

Author:

Bjøro Trine¹,Sand Olav²,Østberg Bjørn Chr.¹,Gordeladze Jan O.³,Torjesen Peter¹,Gautvik Kaare M.³,Haug Egil¹

Affiliation:

1. Hormone Laboratory, Aker Hospital, N-0514 Oslo, Norway

2. Department of Biology, University of Oslo, N-0316 Oslo, Norway

3. Institute of Medical Biochemistry, University of Oslo, N-0316 Oslo, Norway

Abstract

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.

Publisher

Portland Press Ltd.

Subject

Cell Biology,Molecular Biology,Biochemistry,Biophysics

Link

https://portlandpress.com/bioscirep/article-pdf/10/2/189/468103/bsr0100189.pdf

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