Upregulating G Protein-Coupled Receptors with Receptor Antagonists

Author(s):  
Ellen M. Unterwald
1993 ◽  
Vol 264 (3) ◽  
pp. G399-G406
Author(s):  
M. E. Presti ◽  
J. D. Gardner

Receptors for gastrointestinal peptides are all G protein-coupled receptors. Since the discovery that dibutyryl guanosine 3',5'-cyclic monophosphate was a cholecystokinin-receptor antagonist, a variety of receptor antagonists have been developed for a number of different gastrointestinal peptides. These antagonists have been useful in classifying receptors for gastrointestinal peptides and in elucidating complex regulation of gastrointestinal function. Some antagonists also have therapeutic potential. Based on the receptors with which they interact, gastrointestinal peptides can be grouped into families, and, in general, a given receptor antagonist is specific for a given family. This review covers the different families of gastrointestinal peptides and the major antagonists that exist for each family.


1995 ◽  
Vol 73 (7) ◽  
pp. 787-790 ◽  
Author(s):  
John M. Stewart

Most physiological and pathophysiological responses to bradykinin are mediated by G-protein-coupled receptors designated B2 receptors. Discovery of antagonists for these receptors has brought about a revolution in research in the kinin field. The chemistry and development of antagonists for B2 kinin receptors are discussed. Uses of the antagonists in biomedical research and potential clinical applications are presented.Key words: bradykinin antagonists, bradykinin inflammation, bradykinin receptors.


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