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NAADP Signaling: New Kids on the Block

Overview
Journal Cells
Publisher MDPI
Date 2022 Mar 25
PMID 35326505
Authors
Affiliations
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Abstract

Nicotinic acid adenine dinucleotide phosphate (NAADP) is a universal Ca mobilizing second messenger essential for initiation of Ca signaling. Recently, novel molecular mechanisms of both its rapid formation upon receptor stimulation and its mode of action were discovered. Dual NADPH oxidase 2 (DUOX2) and hematological and neurological expressed 1-like protein (HN1L)/Jupiter microtubule-associated homolog 2 (JPT2) were discovered as NAADP-forming enzyme and NAADP receptor/binding protein-the new kids on the block. These novel aspects are reviewed and integrated into the previous view of NAADP signaling.

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