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Published on: May 6, 2014
Impact of Immunity on Coronary Artery Disease: An Updated Pathogenic Interplay and Potential Therapeutic Strategies
Nicola Laera1,2, Paolo Malerba1,3, Gaetano Vacanti4
1Department of Clinical and Experimental Sciences, University of Brescia, 25123 Brescia, Italy.
Insights
Coronary artery disease (CAD) involves immune system inflammation, leading to plaque buildup. Understanding this complex interplay is key for developing new immunomodulatory therapies to combat atherosclerosis and reduce heart disease mortality.
Area of Science:
- Cardiovascular Science
- Immunology
- Pathophysiology
Background:
- Coronary artery disease (CAD) is a leading global cause of death, primarily driven by atherosclerosis.
- Atherosclerosis involves chronic inflammation initiated by the immune system's response to arterial wall injury.
- Immune cells like neutrophils, macrophages, and lymphocytes play dual roles in promoting or inhibiting plaque formation.
Purpose of the Study:
- To review the complex pathogenic relationship between the immune system and CAD.
- To explore the roles of various immune cells and vascular cells in atherosclerosis.
- To summarize current and potential immunomodulatory therapeutic strategies for CAD.
Main Methods:
- Literature review of existing research on immunity and CAD.
- Analysis of signaling pathways involving immune and vascular cells.
- Synthesis of findings on immunomodulatory therapies targeting inflammation in atherosclerosis.
Main Results:
- Immune responses, while protective, can become chronic, driving atherosclerotic plaque development.
- Endothelial and smooth muscle cells are newly recognized participants in the immune-vascular crosstalk.
- Multiple immune cell types contribute to both proatherogenic and antiatherogenic processes.
Conclusions:
- The immune system's role in CAD is intricate, involving complex interactions between various cell types.
- Targeting immune-mediated inflammation presents a promising therapeutic avenue for CAD.
- Further research into immunomodulatory therapies could significantly impact atherosclerosis treatment.
Abstract:
Coronary artery disease (CAD) is the leading cause of death worldwide. It is a result of the buildup of atherosclerosis within the coronary arteries. The role of the immune system in CAD is complex and multifaceted. The immune system responds to damage or injury to the arterial walls by initiating an inflammatory response. However, this inflammatory response can become chronic and lead to plaque formation. Neutrophiles, macrophages, B lymphocytes, T lymphocytes, and NKT cells play a key role in immunity response, both with proatherogenic and antiatherogenic signaling pathways. Recent findings provide new roles and activities referring to endothelial cells and vascular smooth muscle cells, which help to clarify the intricate signaling crosstalk between the involved actors. Research is ongoing to explore immunomodulatory therapies that target the immune system to reduce inflammation and its contribution to atherosclerosis. This review aims to summarize the pathogenic interplay between immunity and CAD and the potential therapeutic strategies, and explore immunomodulatory therapies that target the immune system to reduce inflammation and its contribution to atherosclerosis.
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