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Hydrogen Sulfide: A Novel Player in Airway Development, Pathophysiology of Respiratory Diseases, and Antiviral Defenses
- Source :
- American Journal of Respiratory Cell and Molecular Biology. 57:403-410
- Publication Year :
- 2017
- Publisher :
- American Thoracic Society, 2017.
-
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 β-synthase (CBS), cystathionine γ-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.
- Subjects :
- 0301 basic medicine
Pulmonary and Respiratory Medicine
Cell signaling
Angiogenesis
Respiratory System
Clinical Biochemistry
Cystathionine beta-Synthase
Sulfurtransferase
Inflammation
Biology
Gene Expression Regulation, Enzymologic
Nitric oxide
03 medical and health sciences
chemistry.chemical_compound
Fibrosis
parasitic diseases
medicine
Animals
Humans
Hydrogen Sulfide
Respiratory Tract Infections
Molecular Biology
Lung
Cystathionine gamma-Lyase
Gene Expression Regulation, Developmental
Cell Biology
equipment and supplies
medicine.disease
Cystathionine beta synthase
Cell biology
Translational Review
030104 developmental biology
medicine.anatomical_structure
chemistry
Organ Specificity
Virus Diseases
Immunology
biology.protein
medicine.symptom
Signal Transduction
Subjects
Details
- ISSN :
- 15354989 and 10441549
- Volume :
- 57
- Database :
- OpenAIRE
- Journal :
- American Journal of Respiratory Cell and Molecular Biology
- Accession number :
- edsair.doi.dedup.....617a028c4b712accd7455e843b6824df