Cited by 290Calcium signaling and nucleotide metabolismIon Channels and ReceptorsIon channel regulation and function

TRPM2: a multifunctional ion channel for calcium signalling

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Sumoza‐Toledo, Adriana, Penner, Reinhold·2011·The Journal of Physiology

Abstract

The transient potential receptor melastatin‐2 (TRPM2) channel has emerged as an important Ca 2+ signalling mechanism in a variety of cells, contributing to cellular functions that include cytokine production, insulin release, cell motility and cell death. Its ability to respond to reactive oxygen species has made TRPM2 a potential therapeutic target for chronic inflammation, neurodegenerative diseases, and oxidative stress‐related pathologies. TRPM2 is a non‐selective, calcium (Ca 2+)‐permeable cation channel of the melastatin‐related transient receptor potential (TRPM) ion channel subfamily. It is activated by intracellular adenosine diphosphate ribose (ADPR) through a diphosphoribose hydrolase domain in its C‐terminus and regulated through a variety of factors, including synergistic facilitation by [Ca 2+]i, cyclic ADPR, H 2 O 2, NAADP, and negative feedback regulation by AMP and permeating protons (pH). In addition to its role mediating Ca 2+ influx into the cells, TRPM2 can also function as a lysosomal Ca 2+ release channel, contributing to cell death. The physiological and pathophysiological context of ROS‐mediated events makes TRPM2 a promising target for the development of therapeutic tools of inflammatory and degenerative diseases.

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  1. [76]76. Perraud AL, Shen B, Dunn CA, Rippe K, Smith MK, Bessman MJ, Stoddard BL, Scharenberg AM. NUDT9, a member of the Nudix hydrolase family, is an evolutionarily conserved mitochondrial ADP-ribose pyrophosphatase. J Biol Chem. 2003b;278:1794–1801. doi: 10.1074/jbc.M205601200. [[DOI](https://doi.org/10.1074/jbc.M205601200)] [[PubMed](https://pubmed.ncbi.nlm.nih.gov/12427752/)] [[Google Scholar](https://scholar.google.com/scholar_lookup?journal=J%20Biol%20Chem&title=NUDT9,%20a%20member%20of%20the%20Nudix%20hydrolase%20family,%20is%20an%20evolutionarily%20conserved%20mitochondrial%20ADP-ribose%20pyrophosphatase&author=AL%20Perraud&author=B%20Shen&author=CA%20Dunn&author=K%20Rippe&author=MK%20Smith&volume=278&publication_year=2003b&pages=1794-1801&pmid=12427752&doi=10.1074/jbc.M205601200&)] · DOI

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Authors
Sumoza‐Toledo, A., & Penner, R.
Affiliations
University of Hawaiʻi at Mānoa (US)
Venue
The Journal of Physiology
Publisher
Wiley
Published
2011-03-30
Volume
589
Issue
7
Pages
1515-1525
ISSN
  • 0022-3751 (ISSN-L)
  • 1469-7793
OpenAlex
W2114610934
Cited by
290
References
111
Citations by year
2026: 10 · 2025: 19 · 2024: 20 · 2023: 17 · 2022: 15 · 2021: 25 · 2020: 24 · 2019: 17 · 2018: 15 · 2017: 21 · 2016: 13 · 2015: 17 · 2014: 23 · 2013: 24 · 2012: 22
FWCI
1.64
Type
journal article
Language
en
Open access
Locations
  • The Journal of Physiology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Physiology › Calcium signaling and nucleotide metabolism
  • Life Sciences › Neuroscience › Sensory Systems › Ion Channels and Receptors
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ion channel regulation and function
Keywords
TRPM2, calcium signaling, ion channels, ADP-ribosylation, reactive oxygen species, lysosomal calcium release, cell death, AMPK, NAADP, hydrogen peroxide, chronic inflammation, neurodegenerative diseases, oxidative stress, therapeutic target
MeSH terms
Animals, Bipolar Disorder, Diabetes Mellitus, Type 2, Humans, Models, Biological, Models, Molecular, Ion Channel Gating, Alternative Splicing, Mice, Knockout, Calcium Signaling, TRPM Cation Channels, Mice

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