Role of hydrogen sulfide in nrf2-and sirtuin-dependent maintenance of cellular redox balance

Tiziana Gorgun, Narayana Komaravelli, Antonella Casola

Research output: Contribution to journalReview article

4 Citations (Scopus)

Abstract

Hydrogen sulfide (H2 S) has arisen as a critical gasotransmitter signaling molecule modulating cellular biological events related to health and diseases in heart, brain, liver, vascular systems and immune response. Three enzymes mediate the endogenous production of H2 S: cystathione β-synthase (CBS), cystathione γ-lyase (CSE) and 3-mercaptopyruvate sulfurtransferase (3-MST). CBS and CSE localizations are organ-specific. 3-MST is a mitochondrial and cytosolic enzyme. The generation of H2 S is firmly regulated by these enzymes under normal physiological conditions. Recent studies have highlighted the role of H2 S in cellular redox homeostasis, as it displays significant antioxidant properties. H2 S exerts antioxidant effects through several mechanisms, such as quenching reactive oxygen species (ROS) and reactive nitrogen species (RNS), by modulating cellular levels of glutathione (GSH) and thioredoxin (Trx-1) or increasing expression of antioxidant enzymes (AOE), by activating the transcription factor nuclear factor (erythroid-derived 2)-like 2 (NRF2). H2 S also influences the activity of the histone deacetylase protein family of sirtuins, which plays an important role in inhibiting oxidative stress in cardiomyocytes and during the aging process by modulating AOE gene expression. This review focuses on the role of H2 S in NRF2 and sirtuin signaling pathways as they are related to cellular redox homeostasis.

Original languageEnglish (US)
Article number, 129
JournalAntioxidants
Volume7
Issue number10
DOIs
StatePublished - Oct 1 2018

Fingerprint

Hydrogen Sulfide
Oxidation-Reduction
Maintenance
Antioxidants
Enzymes
Lyases
Gasotransmitters
Homeostasis
Sirtuins
Activating Transcription Factors
Reactive Nitrogen Species
Thioredoxins
Histone Deacetylases
Oxidative stress
Cardiac Myocytes
Gene expression
Liver
Glutathione
Blood Vessels
Quenching

Keywords

  • Hydrogen sulfide
  • Nrf2
  • Oxidative stress
  • Redox
  • Sirtuin

ASJC Scopus subject areas

  • Physiology
  • Biochemistry
  • Molecular Biology
  • Clinical Biochemistry
  • Cell Biology

Cite this

Role of hydrogen sulfide in nrf2-and sirtuin-dependent maintenance of cellular redox balance. / Gorgun, Tiziana; Komaravelli, Narayana; Casola, Antonella.

In: Antioxidants, Vol. 7, No. 10, , 129, 01.10.2018.

Research output: Contribution to journalReview article

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