NAADP as an intracellular messenger regulating lysosomal calcium-release channels

Antony Galione, Anthony J. Morgan, Abdelilah Arredouani, Lianne C. Davis, Katja Rietdorf, Margarida Ruas, John Parrington

Research output: Contribution to journalArticle

58 Citations (Scopus)

Abstract

Recent studies into the mechanisms of action of the Ca2+- mobilizing messenger NAADP (nicotinic acid-adenine dinucleotide phosphate) have demonstrated that a novel family of intracellular Ca2+-release channels termed TPCs (two-pore channels) are components of the NAADP receptor. TPCs appear to be exclusively localized to the endolysosomal system. These findings confirm previous pharmacological and biochemical studies suggesting that NAADP targets acidic Ca2+ stores rather than the endoplasmic reticulum, the major site of action of the other two principal Ca 2+-mobilizing messengers, InsP3 and cADPR (cADP-ribose). Studies of the messenger roles of NAADP and the function of TPCs highlight the novel role of lysosomes and other organelles of the endocytic pathway as messenger-regulated Ca2+ stores which also affects the regulation of the endolysosomal system.

Original languageEnglish
Pages (from-to)1424-1431
Number of pages8
JournalBiochemical Society Transactions
Volume38
Issue number6
DOIs
Publication statusPublished - 1 Dec 2010
Externally publishedYes

Fingerprint

Calcium Channels
Calcium
Cyclic ADP-Ribose
Lysosomes
Endoplasmic Reticulum
Organelles
Pharmacology
NAADP

Keywords

  • Calcium-release channel
  • Endolysosomal system
  • Lysosome
  • Nicotinic acid-adenine dinucleotide phosphate (NAADP)
  • Two-pore channel (TPC)

ASJC Scopus subject areas

  • Biochemistry

Cite this

Galione, A., Morgan, A. J., Arredouani, A., Davis, L. C., Rietdorf, K., Ruas, M., & Parrington, J. (2010). NAADP as an intracellular messenger regulating lysosomal calcium-release channels. Biochemical Society Transactions, 38(6), 1424-1431. https://doi.org/10.1042/BST0381424

NAADP as an intracellular messenger regulating lysosomal calcium-release channels. / Galione, Antony; Morgan, Anthony J.; Arredouani, Abdelilah; Davis, Lianne C.; Rietdorf, Katja; Ruas, Margarida; Parrington, John.

In: Biochemical Society Transactions, Vol. 38, No. 6, 01.12.2010, p. 1424-1431.

Research output: Contribution to journalArticle

Galione, A, Morgan, AJ, Arredouani, A, Davis, LC, Rietdorf, K, Ruas, M & Parrington, J 2010, 'NAADP as an intracellular messenger regulating lysosomal calcium-release channels', Biochemical Society Transactions, vol. 38, no. 6, pp. 1424-1431. https://doi.org/10.1042/BST0381424
Galione, Antony ; Morgan, Anthony J. ; Arredouani, Abdelilah ; Davis, Lianne C. ; Rietdorf, Katja ; Ruas, Margarida ; Parrington, John. / NAADP as an intracellular messenger regulating lysosomal calcium-release channels. In: Biochemical Society Transactions. 2010 ; Vol. 38, No. 6. pp. 1424-1431.
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