Related Experiment Video
Updated: Nov 23, 2025

Author Spotlight: Exploring Salidroside's Molecular Mechanisms in Breast Cancer Treatment
Published on: June 9, 2023
Role of hydrogen sulfide donors in cancer development and progression
Ebenezeri Erasto Ngowi1,2,3, Attia Afzal1,4, Muhammad Sarfraz1,3,4
1Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng, Henan 475004, China.
Abstract:
In recent years, a vast number of potential cancer therapeutic targets have emerged. However, developing efficient and effective drugs for the targets is of major concern. Hydrogen sulfide (H2S), one of the three known gasotransmitters, is involved in the regulation of various cellular activities such as autophagy, apoptosis, migration, and proliferation. Low production of H2S has been identified in numerous cancer types. Treating cancer cells with H2S donors is the common experimental technique used to improve H2S levels; however, the outcome depends on the concentration/dose, time, cell type, and sometimes the drug used. Both natural and synthesized donors are available for this purpose, although their effects vary independently ranging from strong cancer suppressors to promoters. Nonetheless, numerous signaling pathways have been reported to be altered following the treatments with H2S donors which suggest their potential in cancer treatment. This review will analyze the potential of H2S donors in cancer therapy by summarizing key cellular processes and mechanisms involved.
Insights
Hydrogen sulfide (H2S) shows potential in cancer therapy, with donors affecting cell activities. Research is exploring how H2S donors can be used to treat various cancers.
Area of Science:
- Biochemistry
- Molecular Biology
- Oncology
Background:
- Numerous cancer therapeutic targets exist, but drug development remains challenging.
- Hydrogen sulfide (H2S), a gasotransmitter, regulates crucial cellular processes like apoptosis and proliferation.
- Reduced H2S levels are observed in many cancer types, suggesting a role in tumorigenesis.
Purpose of the Study:
- To review the therapeutic potential of hydrogen sulfide (H2S) donors in cancer treatment.
- To analyze the impact of H2S donors on key cellular processes and signaling pathways relevant to cancer.
- To summarize the current understanding of H2S donor efficacy and variability in preclinical cancer models.
Main Methods:
- Literature review of studies investigating H2S donors in cancer research.
- Analysis of experimental data on the effects of H2S donors on cancer cell behavior (e.g., proliferation, apoptosis, migration).
- Examination of signaling pathways modulated by H2S donors in various cancer types.
Main Results:
- H2S donors can act as either cancer suppressors or promoters, depending on factors like dose, duration, cell type, and specific donor used.
- Treatment with H2S donors alters numerous signaling pathways involved in cancer progression.
- The concentration- and context-dependent effects of H2S donors highlight the complexity of their role in cancer.
Conclusions:
- H2S donors represent a promising, albeit complex, avenue for cancer therapy development.
- Further research is needed to optimize the use of H2S donors and understand their precise mechanisms of action in different cancer contexts.
- Targeted application of H2S donors could offer novel strategies for cancer treatment by modulating critical cellular functions.
Related Concept Videos
Adaptive Mechanisms in Cancer Cells
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Cancer Stem Cells and Tumor Maintenance
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
Electron Transport Chain: Complex I and II
ROS generation is regulated and maintained at moderate levels necessary...
Sulfur Assimilation
Targeted Cancer Therapies
There are several types of targeted therapies against...
mTOR Signaling and Cancer Progression
The mTOR pathway or the...

