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Updated: May 11, 2026
Simultaneous Measurements of Intracellular Calcium and Membrane Potential in Freshly Isolated and Intact Mouse Cerebral Endothelium
Published on: January 20, 2019
[The role of calcium for functioning of the vascular endothelium]
Beata Drabarek1, Dorota Dymkowska
1Pracownia Metabolizmu Komórki, Instytut Biologii Doświadczalnej im. Marcelego Nenckiego PAN, Warszawa.
Insights
The vascular endothelium is vital for health, regulating blood vessels and more. Endothelial dysfunction, linked to calcium signaling disruptions and oxidative stress, can have severe health consequences.
Area of Science:
- Cardiovascular Biology
- Cellular Physiology
Context:
- The vascular endothelium is crucial for maintaining vascular homeostasis.
- Its functions include regulating blood vessel tone, inflammation, immune response, and permeability.
- Endothelial dysfunction is implicated in various pathological conditions.
Purpose:
- To explore the multifaceted roles of the vascular endothelium.
- To discuss the impact of calcium signaling on endothelial function.
- To examine the relationship between oxidative stress, inflammation, and endothelial dysfunction.
Summary:
- The vascular endothelium performs critical functions, including controlling blood vessel contraction/relaxation, inflammation, and permeability.
- Impaired secretion of nitric oxide and prostacyclin 2, dependent on calcium concentration, signifies endothelial dysfunction.
- Oxidative stress and pro-inflammatory responses increase reactive oxygen species, damaging the endothelium.
Impact:
- Understanding endothelial function and dysfunction is key to addressing cardiovascular diseases.
- Elucidating the role of calcium signaling provides insights into therapeutic targets.
- This review highlights the intricate mechanisms underlying vascular health and disease.
Abstract:
The vascular endothelium plays many important functions and its mechanical failure or abnormal operation may have serious consequences to health and even life of the organism. It controls the contraction and relaxation of blood vessels, affects the inflammatory processes, immune response and blood clotting and regulation of the permeability and integrity of the vessel wall. Impaired secretion of nitric oxide and prostacyclin 2, whose secretion is calcium concentration dependent, indicates endothelial dysfunction. Calcium is very important in many processes typical for vascular endothelium and is essential for proper functioning. Oxidative stress, induction of pro-inflammatory response and, consequently, a significant increase in the production of reactive oxygen species are a cause of damage in the vascular endothelium. In this paper we will discuss selected issues concerning the functioning of the vascular endothelium in normal and pathological conditions, as well as their connection point at the regulation of calcium signaling in these cells.
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