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Aminergic signal transduction in invertebrates : focus on tyramine and octopamine receptors

Electro-chemical signal transduction is the basis of communication between n eurons and their target cells. An important group of neuroactive substances that are released by action potentials from neurons are the biogenic amines. These a re small organic molecules that bind to specific receptors located in the target cell membrane. Once activated these receptors cause changes in the intracellula r concentration of second messengers, i.e. cyclic nucleotides, phosphoinositides / or Ca2+, leading to slow but long-lasting cellular responses. Biochemical, pha rmacological, physiological, and molecular biological approaches have unequivoca lly shown that biogenic amines are important regulators of cellular function in both vertebrates and invertebrates. In this review, we will concentrate on the p roperties of two biogenic amines and their receptors that were originally identi fied in invertebrates: tyramine and octopamine.

Identiferoai:union.ndltd.org:Potsdam/oai:kobv.de-opus-ubp:4427
Date January 2003
CreatorsBlenau, Wolfgang, Baumann, Arnd
PublisherUniversität Potsdam, Mathematisch-Naturwissenschaftliche Fakultät. Institut für Biochemie und Biologie
Source SetsPotsdam University
LanguageEnglish
Detected LanguageEnglish
TypePostprint
Formatapplication/pdf
SourceRecent research developments in neurochemistry 6 (2003), S. 225 - 240
Rightshttp://opus.kobv.de/ubp/doku/urheberrecht.php

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