Abstract
Nicotinic acid adenine dinucleotide phosphate (NAADP) is the most potent Ca2+ mobilizing endogenous compound known to date. Although its Ca2+releasing activity has been demonstrated in many cell types and in response to different extracellular stimuli, several aspects of NAADP signaling are unclear.
This overview focuses on the controversial aspects and reviews NAADP´s role as second messenger: endogenous concentrations and its receptor-mediated alterations, metabolism, and potential organelle and ion channel targets. Finally, the role of NAADP as Ca2+ trigger is discussed by reviewing the development of local into global Ca2+ signals evoked by NAADP.
Keywords: NAADP, two-pore channel, ryanodine receptor, TRPM2, TRP-ML1, calcium signaling, cellular signal transduction.
Current Topics in Medicinal Chemistry
Title:NAADP Signaling Revisited
Volume: 13 Issue: 23
Author(s): Andreas H. Guse, Insa M.A. Ernst and Ralf Fliegert
Affiliation:
Keywords: NAADP, two-pore channel, ryanodine receptor, TRPM2, TRP-ML1, calcium signaling, cellular signal transduction.
Abstract: Nicotinic acid adenine dinucleotide phosphate (NAADP) is the most potent Ca2+ mobilizing endogenous compound known to date. Although its Ca2+releasing activity has been demonstrated in many cell types and in response to different extracellular stimuli, several aspects of NAADP signaling are unclear.
This overview focuses on the controversial aspects and reviews NAADP´s role as second messenger: endogenous concentrations and its receptor-mediated alterations, metabolism, and potential organelle and ion channel targets. Finally, the role of NAADP as Ca2+ trigger is discussed by reviewing the development of local into global Ca2+ signals evoked by NAADP.
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Cite this article as:
Guse H. Andreas, Ernst M.A. Insa and Fliegert Ralf, NAADP Signaling Revisited, Current Topics in Medicinal Chemistry 2013; 13 (23) . https://dx.doi.org/10.2174/15680266113136660212
DOI https://dx.doi.org/10.2174/15680266113136660212 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |
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