Title : Both RyRs and TPCs are required for NAADP-induced intracellular Ca²⁺ release.

Pub. Date : 2015 Sep

PMID : 26100948






3 Functional Relationships(s)
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1 In RyR3-KO, NAADP-evoked Ca(2+) release reduced by ~50% but, when combined with antibodies against RyR1, responses were 90% inhibited. NAADP ryanodine receptor 3 Homo sapiens
2 The sequence of relative importance for NAADP-elicited Ca(2+) release from the all stores is RyR1>TPC2>RyR3>TPC1>>RyR2. NAADP ryanodine receptor 3 Homo sapiens
3 Our results indicate that the primary, but very small, NAADP-elicited Ca(2+) release via TPCs from endosomes/lysosomes triggers the detectable Ca(2+)-induced Ca(2+) release via RyR1 and RyR3 occurring from the granules and the ER. NAADP ryanodine receptor 3 Homo sapiens