Cited by 49Nitric Oxide and Endothelin EffectsRedox biology and oxidative stressPhosphodiesterase function and regulation

Cell signaling mediated by nitrated cyclic guanine nucleotide

Akaike, Takaaki, Fujii, Shigemoto, Sawa, Tomohiro, Ihara, Hideshi·2010·Nitric Oxide

Abstract

We recently clarified the physiological formation of 8-nitroguanosine 3',5'-cyclic monophosphate (8-nitro-cGMP) and its critical roles in nitric oxide (NO) signal transductions. This discovery of 8-nitro-cGMP is the first demonstration of a nitrated cyclic nucleotide functioning as a new second messenger in mammals since the identification of cGMP more than 40 years ago. By means of chemical analyses, e.g., liquid chromatography-tandem mass spectrometry, we unequivocally identified 8-nitro-cGMP formation, which depended on NO production, in several types of cultured cells, including macrophages and glial cells. Most important, we previously showed that 8-nitro-cGMP as an electrophile reacted with particular sulfhydryls of proteins to generate a unique post-translational modification that we called protein S-guanylation. In fact, certain specific intracellular proteins, such as the redox-sensor protein Keap1, readily underwent S-guanylation induced by 8-nitro-cGMP. 8-Nitro-cGMP activated the Nrf2 signaling pathway by triggering dissociation of Keap1, via S-guanylation of its highly nucleophilic cysteine sulfhydryls. We also determined that S-guanylation of Keap1 was involved in cytoprotective actions of NO and 8-nitro-cGMP by inducing oxidative stress response genes such as heme oxygenase-1. Such unique chemical properties of 8-nitro-cGMP shed light on new areas of NO and cGMP signal transduction. Protein S-guanylation induced by 8-nitro-cGMP may thus have important implications in NO-related physiology and pathology, pharmaceutical chemistry, and development of therapeutics for many diseases.

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Crossref · 10.1016/j.niox.2010.06.006

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Authors
Akaike, T., Fujii, S., Sawa, T., & Ihara, H.
Affiliations
  • Kumamoto University (JP)
  • Osaka Prefecture University (JP)
Corresponding author
Akaike, Takaaki
Venue
Nitric Oxide
Publisher
Elsevier BV
Published
2010-11
Volume
23
Issue
3
Pages
166-174
ISSN
1089-8603 (ISSN-L)
OpenAlex
W1984465237
Cited by
49
References
49
Citations by year
2025: 1 · 2022: 2 · 2021: 2 · 2020: 4 · 2018: 2 · 2017: 5 · 2016: 6 · 2015: 1 · 2014: 4 · 2013: 6 · 2012: 9
FWCI
0.71
Type
journal article
Language
en
Open access
closed
Locations
  • Nitric Oxide (publishedVersion)
  • PubMed (publishedVersion)
  • Kumamoto University Repository (Kumamoto University) (submittedVersion)
  • Kumamoto University Repository System (submittedVersion)
Funders
  • Ministry of Education, Culture, Sports, Science and Technology
  • Ministry of Health, Labour and Welfare
Topics
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Phosphodiesterase function and regulation
Keywords
8-nitro-cGMP, nitric oxide signaling, cGMP signaling, second messengers, Keap1, Nrf2 signaling, sulfhydryl modification, oxidative stress response, heme oxygenase-1, macrophages, glial cells, redox signaling
MeSH terms
Cyclic GMP, Humans, Nitric Oxide, Signal Transduction

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