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Updated: May 2, 2026

A Sensitive Visual Method for the Detection of Hydrogen Sulfide Producing Bacteria
Published on: June 27, 2022
Hydrogen sulfide and the liver
Sarathi Mani1, Wei Cao2, Lingyun Wu3
1Department of Biology, Lakehead University, Thunder Bay, Canada; Cardiovascular and Metabolic Research Unit, Lakehead University, Thunder Bay, Canada.
Hydrogen sulfide (H2S), a vital gasotransmitter, regulates liver functions including glucose and lipid metabolism. Its malfunction is linked to liver diseases like fibrosis and cirrhosis.
Area of Science:
- Biochemistry
- Physiology
- Hepatology
Background:
- Hydrogen sulfide (H2S) acts as a crucial gasotransmitter in the body.
- Enzymatic H2S production is mediated by cystathionine γ-lyase (CSE), cystathionine β-synthase (CBS), and 3-mercaptopyruvate sulfurtransferase (MST).
- These enzymes are present in the liver, regulating its functions.
Purpose of the Study:
- To elucidate the role of hepatic hydrogen sulfide (H2S) metabolism in liver physiology.
- To investigate the impact of H2S on glucose and lipid metabolism within the liver.
- To explore the connection between hepatic H2S dysfunction and liver diseases.
Main Methods:
- Analysis of enzymatic pathways for H2S production in the liver.
- Assessment of H2S metabolism's influence on hepatic glucose and lipid regulation.
- Examination of H2S involvement in liver pathophysiology.
Main Results:
- Hepatic H2S production by CSE, CBS, and MST influences liver functions.
- H2S metabolism impacts glucose metabolism and insulin sensitivity.
- Hepatic H2S plays a role in lipoprotein synthesis and mitochondrial biogenesis.
Conclusions:
- Hydrogen sulfide (H2S) is integral to normal liver function, affecting key metabolic processes.
- Dysregulation of hepatic H2S metabolism is implicated in the development of liver diseases.
- Further research into H2S pathways may offer therapeutic targets for liver conditions.
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