Biochemistry of transmembrane signaling mediated by trimeric G proteins

Author:

Svoboda P,Teisinger J,Novotný J,Bouřová L,Drmota T,Hejnová L,Moravcová Z,Lisý V,Rudajev V,Stöhr J,Vokurková A,Švandová I,Durchánková D

Abstract

Many extracellular signals are at the cell surface received by specific receptors, which upon activation transduce information to the appropriate cellular effector molecules via trimeric G proteins. The G protein-mediated cascades ultimately lead to the highly refined regulation of systems such as sensory perception, cell growth, and hormonal regulation. Transmembrane signaling may be seriously deranged in various pathophysiological conditions. Over the last two decades the major experimental effort of our group has been devoted to better understanding the molecular mechanisms underlying transmembrane signaling regulated by G proteins and to the closely related process of desensitization of hormone response. This review provides general information about the basic principles of G protein-regulated transmembrane signaling as well as about our contribution to the current progress in the field.

Publisher

Institute of Physiology of the Czech Academy of Sciences

Subject

General Medicine,Physiology

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