Pertussis toxin blocks the inhibitory effect of muscarinic cholinergic agonists on cyclic AMP accumulation and prolactin secretion in GH3 anterior-pituitary tumour cells

Author:

Brown B L,Wojcikiewicz R J H,Dobson P R M,Robinson A,Irons L I

Abstract

The inhibition of prolactin secretion and cyclic AMP accumulation in GH3 cells by muscarinic agonists was blocked by preincubation of the cells with pertussis toxin (islet-activating protein). There was a lag of approx. 80 min in the onset of the effect on secretion. These results suggest that muscarinic agonists decrease prolactin secretion by inhibiting adenylate cyclase activity.

Publisher

Portland Press Ltd.

Subject

Cell Biology,Molecular Biology,Biochemistry

Cited by 28 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Muscarinic regulation of Ca2+ oscillation frequency in GH3 cells;Brain Research;1999-12

2. Muscarinic receptor reserve for inhibition of cAMP accumulation in bovine trachealis cells;American Journal of Physiology-Lung Cellular and Molecular Physiology;1996-02-01

3. Muscarinic regulation of cyclic AMP in bovine trachealis cells.;American Journal of Respiratory Cell and Molecular Biology;1995-08

4. Characterization of PGE2 receptors in isolated rabbit colonic crypt cells;American Journal of Physiology-Gastrointestinal and Liver Physiology;1995-02-01

5. Defective stimulation of cyclic AMP by prostaglandin E2 in colonic epithelial cells in colitis;European Journal of Pharmacology;1993-07

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