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Cited by 358

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Accumulation of Free ADP-ribose from Mitochondria Mediates Oxidative Stress-induced Gating of TRPM2 Cation Channels

Open access
Perraud, Anne-Laure, Takanishi, Christina L., Shen, Betty, Kang, Shin, Smith, Megan K., Schmitz, Carsten, Knowles, Heather M., Ferraris, Dana, Li, Weixing, Zhang, Jie, Stoddard, Barry L., Scharenberg, Andrew M.·2005·Journal of Biological Chemistry

Abstract

TRPM2 is a member of the transient receptor potential melastatin-related (TRPM) family of cation channels, which possesses both ion channel and ADP-ribose hydrolase functions. TRPM2 has been shown to gate in response to oxidative and nitrosative stresses, but the mechanism through which TRPM2 gating is induced by these types of stimuli is not clear. Here we show through structure-guided mutagenesis that TRPM2 gating by ADP-ribose and both oxidative and nitrosative stresses requires an intact ADP-ribose binding cleft in the C-terminal nudix domain. We also show that oxidative/nitrosative stress-induced gating can be inhibited by pharmacological reagents predicted to inhibit NAD hydrolysis to ADP-ribose and by suppression of ADP-ribose accumulation by cytosolic or mitochondrial overexpression of an enzyme that specifically hydrolyzes ADP-ribose. Overall, our data are most consistent with a model of oxidative and nitrosative stress-induced TRPM2 activation in which mitochondria are induced to produce free ADP-ribose and release it to the cytosol, where its subsequent accumulation induces TRPM2 gating via interaction within a binding cleft in the C-terminal NUDT9-H domain of TRPM2.

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Crossref · 10.1074/jbc.m411446200

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Metadata

Authors
Perraud, A.-L., Takanishi, C. L., Shen, B., Kang, S., Smith, M. K., Schmitz, C., Knowles, H. M., Ferraris, D., Li, W., Zhang, J., Stoddard, B. L., & Scharenberg, A. M.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2005-02
Volume
280
Issue
7
Pages
6138-6148
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2156746537
Cited by
358
References
4
FWCI
8.65
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Accumulation of Free ADP-ribose from Mitochondria Mediates Oxidative Stress-induced Gating of TRPM2 Cation Channels. https://app.cochat.ai/papers/10.1074/jbc.m411446200
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Perraud, A.-L., Takanishi, C. L., Shen, B., Kang, S., Smith, M. K., Schmitz, C., Knowles, H. M., Ferraris, D., Li, W., Zhang, J., Stoddard, B. L., & Scharenberg, A. M. (2005). Accumulation of Free ADP-ribose from Mitochondria Mediates Oxidative Stress-induced Gating of TRPM2 Cation Channels. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.m411446200

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