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Screening Assays to Characterize Novel Endothelial Regulators Involved in the Inflammatory Response
Published on: September 15, 2017
Modulation of the inflammatory response in cardiovascular disease
D Neil Granger1, Thorsten Vowinkel, Thomas Petnehazy
1Department of Molecular and Cellular Physiology, Louisiana State University Health Sciences Center, Shreveport 71130-3932, USA. dgrang@lsuhsc.edu
Insights
Inflammation drives cardiovascular diseases (CVDs) by activating endothelial cells, increasing oxidative stress and leukocyte adhesion. New factors like platelets and angiotensin II offer potential therapeutic targets for CVD.
Area of Science:
- Cardiovascular Science
- Inflammation Research
- Pathophysiology of Atherosclerosis
Background:
- Cardiovascular diseases (CVDs) are increasingly recognized as chronic inflammatory conditions.
- Risk factors for CVD induce an inflammatory phenotype in endothelial cells, characterized by oxidative stress and leukocyte adhesion.
- Initial research focused on oxidative stress and adhesion molecules, but other factors are now implicated.
Purpose of the Study:
- To explore the role of inflammation in the initiation and progression of cardiovascular diseases (CVDs).
- To investigate additional factors beyond oxidative stress that modulate inflammatory responses in CVD.
- To identify potential therapeutic targets by understanding the integration of inflammation and coagulation in CVD.
Main Methods:
- Review of current scientific literature on inflammation and cardiovascular disease.
- Analysis of mechanisms linking endothelial cell activation, oxidative stress, and leukocyte adhesion.
- Examination of the role of platelets, angiotensin II, and CD40/CD40 ligand signaling in CVD pathogenesis.
Main Results:
- Endothelial cells in CVD exhibit an inflammatory phenotype with oxidative stress and increased leukocyte adhesion.
- Platelets, angiotensin II, and the CD40/CD40 ligand system are emerging as key contributors to CVD pathogenesis.
- These factors converge with oxidative stress pathways, explaining the link between coagulation and inflammation in CVD.
Conclusions:
- Inflammation is a critical component in the development and progression of cardiovascular diseases.
- Emerging factors provide novel insights into CVD pathogenesis and suggest multiple avenues for therapeutic intervention.
- Targeting these inflammatory pathways holds promise for effective CVD treatment.
Abstract:
There is a growing body of evidence that inflammation might play an important role in the initiation and progression of cardiovascular diseases (CVDs). The designation of CVD as a chronic inflammatory process is further supported by evidence that the risk factors for CVD cause endothelial cells throughout the vascular tree to assume an inflammatory phenotype. These activated endothelial cells characteristically exhibit oxidative stress and increased adhesiveness for circulating leukocytes. Although initial efforts to define the mechanisms underlying the inflammatory phenotype in diseased endothelial cells have focused on the linkage between oxidative stress and adhesion molecule activation/expression, recent work has implicated a variety of additional factors that can modulate the magnitude and/or nature of the inflammatory responses in CVD. Platelets, angiotensin II, and the CD40/CD40 ligand signaling system are gaining recognition as contributors to the pathogenesis of CVD. These factors appear to converge with known pathways that link oxidative stress with adhesion molecule expression and help to explain the apparent integration of coagulation with inflammation in CVD. These factors also hold the promise of offering multiple sites for therapeutic intervention in CVD.
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