Hydrogen Sulfide: A Therapeutic Option in Systemic Sclerosis

Amaal Eman Abdulle*, Harry van Goor, Douwe J. Mulder

*Corresponding author for this work

Research output: Contribution to journalReview articleAcademicpeer-review

6 Citations (Scopus)
176 Downloads (Pure)

Abstract

Systemic sclerosis (SSc) is a lethal disease that is characterized by auto-immunity, vascular injury, and progressive fibrosis of multiple organ systems. Despite the fact that the exact etiology of SSc remains unknown, oxidative stress has been associated with a large range of SSc-related complications. In addition to the well-known detrimental properties of reactive oxygen species (ROS), gasotransmitters (e.g., nitric oxide (NO), carbon monoxide (CO), and hydrogen sulfide (H2S)) are also thought to play an important role in SSc. Accordingly, the diverse physiologic actions of NO and CO and their role in SSc have been previously studied. Recently, multiple studies have also shown the importance of the third gasotransmitter H2S in both vascular physiology and pathophysiology. Interestingly, homocysteine (which is converted into H2S through the transsulfuration pathway) is often found to be elevated in SSc patients; suggesting defects in the transsulfuration pathway. Hydrogen sulfide, which is known to have several effects, including a strong antioxidant and vasodilator effect, could potentially play a prominent role in the initiation and progression of vasculopathy. A better understanding of the actions of gasotransmitters, like H2S, in the development of SSc-related vasculopathy, could help to create early interventions to attenuate the disease course. This paper will review the role of H2S in vascular (patho-)physiology and potential disturbances in SSc. Moreover, current data from experimental animal studies will be reviewed. Lastly, we will evaluate potential interventional strategies.

Original languageEnglish
Article number4121
Number of pages21
JournalInternational Journal of Molecular Sciences
Volume19
Issue number12
DOIs
Publication statusPublished - Dec-2018

Keywords

  • gasotransmitters
  • systemic sclerosis
  • vasculopathy
  • endothelial injury
  • therapeutic intervention
  • CYSTATHIONINE-GAMMA-LYASE
  • NITRIC-OXIDE SYNTHASE
  • NAILFOLD VIDEOCAPILLAROSCOPIC PATTERNS
  • MICROVASCULAR ENDOTHELIAL-CELLS
  • ANIMATION-LIKE STATE
  • CARBON-MONOXIDE
  • HEME OXYGENASE-1
  • SODIUM THIOSULFATE
  • OXIDATIVE DAMAGE
  • BLOOD-PRESSURE

Cite this