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Published on: August 17, 2022
Role of carbon monoxide in vascular diseases
Ignazio Barbagallo1, Giuseppina Marrazzo, Alessandro Frigiola
1Department of Biological Chemistry, Medical Chemistry, and Molecular Biology, University of Catania, Viale Andrea Doria, 6 95125 Catania, Italy.
Insights
Carbon monoxide (CO), a byproduct of heme breakdown, acts as a crucial signaling molecule. This review highlights the protective effects of CO in cardiovascular disease, emphasizing the heme oxygenase-1 (HO-1)/CO system.
Area of Science:
- Biochemistry
- Cardiovascular Physiology
- Molecular Medicine
Background:
- Heme degradation by heme oxygenase (HO) produces carbon monoxide (CO).
- CO, initially viewed as a waste product, is recognized as a vital signaling molecule in cardiovascular regulation.
- The heme oxygenase-1 (HO-1)/CO pathway's role in vascular health warrants further investigation.
Purpose of the Study:
- To review the protective functions of carbon monoxide (CO) in vascular injury and disease.
- To explore the significance of the heme oxygenase-1 (HO-1)/CO system in the context of human vascular pathologies.
Main Methods:
- Literature review focusing on the role of CO in vascular pathophysiology.
- Analysis of studies investigating the heme oxygenase-1 (HO-1) enzyme and its product, CO.
- Synthesis of current knowledge on CO's signaling functions in cardiovascular regulation.
Main Results:
- Carbon monoxide (CO) plays a significant role in regulating cardiovascular functions.
- CO exhibits protective effects against vascular injury and disease.
- The HO-1/CO system demonstrates potential therapeutic relevance in vascular conditions.
Conclusions:
- The heme oxygenase-1 (HO-1)/CO system offers a promising therapeutic target for vascular diseases.
- Understanding CO's signaling pathways is crucial for developing novel cardiovascular treatments.
- Further research into the HO-1/CO system's protective mechanisms is essential for human vascular health.
Abstract:
During the degradation of heme by the enzyme heme oxygenase (HO), Carbon monoxide (CO) is generated. Although it is considered as a non-significant and potentially toxic waste gas of heme catabolism, CO is a key signaling molecule used to regulate different cardiovascular functions. In this review, we focus the protective roles of CO in vascular injury/disease, which may be important to explore the overall protective roles of HO-1/CO system in the pathogenesis of human vascular disease.
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