Hydrogen sulfide

A novel player in airway development, pathophysiology of respiratory diseases, and antiviral defenses

Nikolay Bazhanov, Maria Ansar, Teodora Ivanciuc, Roberto Garofalo, Antonella Casola

Research output: Contribution to journalReview article

13 Citations (Scopus)

Abstract

Hydrogen sulfide (H2S) is a biologically relevant signaling molecule in mammals. Along with the volatile substances nitric oxide (NO) and carbon monoxide (CO), H2S is defined as a gasotransmitter. It plays a physiological role in a variety of functions, including synaptic transmission, vascular tone, angiogenesis, inflammation, and cellular signaling. The generation of H2S is catalyzed by cystathionine b-synthase (CBS), cystathionine g-lyase (CSE), and 3-mercaptopyruvate sulfurtransferase (3-MST). The expression of CBS and CSE is tissue specific, with CBS being expressed predominantly in the brain, and CSE in peripheral tissues, including lungs. CSE expression and activity are developmentally regulated, and recent studies suggest that CSE plays an important role in lung alveolarization during fetal development. In the respiratory tract, endogenous H2S has been shown to participate in the regulation of important functions such as airway tone, pulmonary circulation, cell proliferation or apoptosis, fibrosis, oxidative stress, and inflammation. In the past few years, changes in the generation of H2S have been linked to the pathogenesis of a variety of acute and chronic inflammatory lung diseases, including asthma and chronic obstructive pulmonary disease. Recently, our laboratory made the critical discovery that cellular H2S exerts broad-spectrum antiviral activity both in vitro and in vivo, in addition to independent antiinflammatory activity. These findings have important implications for the development of novel therapeutic strategies for viral respiratory infections, as well as other inflammatory lung diseases, especially in light of recent significant efforts to generate controlled-release H2S donors for clinical therapeutic applications.

Original languageEnglish (US)
Pages (from-to)403-410
Number of pages8
JournalAmerican Journal of Respiratory Cell and Molecular Biology
Volume57
Issue number4
DOIs
StatePublished - Oct 1 2017

Fingerprint

Cystathionine
Pulmonary diseases
Hydrogen Sulfide
Antiviral Agents
Lung Diseases
Gasotransmitters
Tissue
Cell signaling
Inflammation
Lung
Lyases
Mammals
Oxidative stress
Pulmonary Circulation
Cell proliferation
Virus Diseases
Carbon Monoxide
Fetal Development
Synaptic Transmission
Respiratory Tract Infections

Keywords

  • Antiviral
  • H2S donors
  • Hydrogen sulfide

ASJC Scopus subject areas

  • Molecular Biology
  • Pulmonary and Respiratory Medicine
  • Clinical Biochemistry
  • Cell Biology

Cite this

Hydrogen sulfide : A novel player in airway development, pathophysiology of respiratory diseases, and antiviral defenses. / Bazhanov, Nikolay; Ansar, Maria; Ivanciuc, Teodora; Garofalo, Roberto; Casola, Antonella.

In: American Journal of Respiratory Cell and Molecular Biology, Vol. 57, No. 4, 01.10.2017, p. 403-410.

Research output: Contribution to journalReview article

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