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Published on: June 3, 2019
Bioelectrical Regulation of Vascular Endothelial Function in Atherosclerosis
Julienne Marie Custodio1, Jianhua J Liu2, Lu Zhang1
1Division of Cardiology, Department of Medicine, University of Illinois Chicago, Chicago, IL 60612, USA.
Insights
Ion channels regulate endothelial function, crucial for vascular homeostasis in atherosclerosis. Understanding these bioelectrical signals offers new therapeutic targets for cardiovascular disease.
Area of Science:
- Cardiovascular Biology
- Vascular Physiology
- Molecular Medicine
Background:
- Atherosclerosis is a major cause of cardiovascular death, driven by chronic vascular inflammation and endothelial dysfunction.
- Endothelial cells utilize bioelectrical signaling via ion channels to maintain vascular homeostasis.
- Dysregulation of these ion channel pathways contributes to atherosclerotic progression.
Purpose of the Study:
- To explore the role of ion channels in endothelial function within the context of atherosclerosis.
- To understand how bioelectrical signaling impacts vascular health and disease.
- To identify potential therapeutic targets for restoring endothelial homeostasis.
Main Methods:
- Review of current literature on ion channels and endothelial function in atherosclerosis.
- Analysis of bioelectrical signaling mechanisms in vascular endothelial cells.
- Investigation of the link between ion channel dysregulation and atherosclerotic pathology.
Main Results:
- Ion channels and transporters are central to endothelial bioelectrical signaling.
- These channels regulate membrane potential, ion flux, calcium, and redox balance.
- Dysfunctional ion channel activity promotes oxidative stress, inflammation, and endothelial cell death.
Conclusions:
- Ion channels are critical regulators of endothelial function in atherosclerosis.
- Targeting ion channel pathways may offer novel therapeutic strategies.
- Restoring endothelial homeostasis through ion channel modulation can reduce cardiovascular risk.
Abstract:
Atherosclerosis is a chronic inflammatory disease characterized by progressive vascular dysfunction and remains a leading cause of cardiovascular morbidity and mortality worldwide. Endothelial dysfunction is an early and critical event in atherogenesis, contributing to inflammation, leukocyte recruitment, plaque progression, and thrombotic complications. Increasing evidence indicates that vascular endothelial cells use bioelectrical signaling mechanisms to integrate mechanical, metabolic, and inflammatory cues and maintain vascular homeostasis. At the core of these regulatory networks are ion channels and transporters, which coordinate membrane potential, ionic fluxes, calcium homeostasis, redox balance, and downstream biochemical signaling to regulate endothelial function in vascular health and disease. Dysregulation of these pathways may promote oxidative stress, inflammation, endothelial senescence, apoptosis, endothelial-to-mesenchymal transition, and impaired vasodilatory function, thereby contributing to atherosclerotic progression. Understanding how ion channels regulate endothelial function may provide important insights into atherosclerosis and facilitate the development of novel therapeutic strategies aimed at restoring endothelial homeostasis and reducing cardiovascular risk.
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