Regulators of the transsulfuration pathway

Research output: Contribution to journalReview articlepeer-review

41 Scopus citations


The transsulfuration pathway is a metabolic pathway where transfer of sulfur from homocysteine to cysteine occurs. The pathway leads to the generation of several sulfur metabolites, which include cysteine, GSH and the gaseous signalling molecule hydrogen sulfide (H 2 S). Precise control of this pathway is critical for maintenance of optimal cellular function and, therefore, the key enzymes of the pathway, cystathionine β-synthase and cystathionine γ-lyase, are regulated at multiple levels. Disruption of the transsulfuration pathway contributes to the pathology of several conditions such as vascular dysfunction, Huntington's disease and during ageing. Treatment with donors of hydrogen sulfide and/or stimulation of this pathway have proved beneficial in several of these disorders. In this review, we focus on the regulation of the transsulfuration pathway pertaining to cysteine and H 2 S, which could be targeted to develop novel therapeutics. Linked Articles: This article is part of a themed section on Chemical Biology of Reactive Sulfur Species. To view the other articles in this section visit

Original languageEnglish (US)
Pages (from-to)583-593
Number of pages11
JournalBritish Journal of Pharmacology
Issue number4
StatePublished - Feb 2019

ASJC Scopus subject areas

  • Pharmacology


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