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Once your endothelium is damaged, your body produces inflammation as a defense mechanism. This inflammation can cause cholesterol and other substances to collect along the site of the damage ...
Here’s why: Chronically high blood sugar can cause endothelial damage, meaning your blood vessels cannot function properly. And for people living with diabetes, high blood sugar levels make it ...
Endothelial dysfunction may be involved in the development of atherosclerosis [5] [6] [7] and may predate vascular pathology. [5] [8] Endothelial dysfunction may also lead to increased adherence of monocytes and macrophages, as well as promoting infiltration of low-density lipoprotein (LDL) in the vessel wall. [9]
A further consequence of damage to the endothelium is the release of pathological quantities of von Willebrand factor, which promote platelet aggregation and adhesion to the subendothelium, and thus the formation of potentially fatal thrombi. Angiosarcoma is cancer of the endothelium and is rare with only 300 cases per year in the US. [29]
Because of the infusion of lipids into the sub-endothelium, the repair has to end up with altered remodeling of the local endothelium. This is the manifestation of a misrepair. This altered remodeling increases the susceptibility of the local endothelium to damage and reduces its repair efficiency.
The chronic endothelial injury hypothesis is one of two major mechanisms postulated to explain the underlying cause of atherosclerosis and coronary heart disease (CHD), the other being the lipid hypothesis. Although an ongoing debate involving connection between dietary lipids and CHD sometimes portrays the two hypotheses as being opposed, they ...
Endothelial activation is a proinflammatory and procoagulant state of the endothelial cells lining the lumen of blood vessels. [1] It is most characterized by an increase in interactions with white blood cells (leukocytes), and it is associated with the early states of atherosclerosis and sepsis , among others. [ 2 ]
This results in platelet activation, endothelial cell damage, and white blood cell activation, leading to systemic TMA, which manifests as decreased platelet count, hemolysis (breakdown of red blood cells), damage to multiple organs, and ultimately death.