Mol Interv 2005 Apr 01;52:70-2. doi: 10.1124/mi.5.2.3.

NAADP: a new second messenger comes of age.

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Nicotinic acid adenine dinucleotide phosphate (NAADP) is one of the most potent stimulators of intracellular Ca(2+) mobilization in a variety of cell types. Its role in physiological processes is increasingly demonstrated by NAADP increases following cellular stimulation. As a second messenger NAADP shows unique features such as the ability to mobilize Ca(2+) from stores that are physically distinct from those connected to the Ca(2+) channels located in the endoplasmic reticulum, namely, the inositol-1,4,5-trisphosphate and the cyclic-ADP-ribose/ ryanodine receptors. Furthermore, the NAADP-induced self-inactivation mechanism is suggestive of an irreversible binding of NAADP to its putative receptor.

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Genes referenced: LOC115919080 LOC115919910 LOC576539