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[Structural and functional properties of erythrocytes in patients with arteriosclerotic circulatory encephalopathy]
Insights
Atherosclerosis impairs red blood cell function by increasing membrane rigidity and disrupting ion transport, affecting microcirculation. These changes worsen as the disease progresses, impacting overall cellular transport capabilities.
Area of Science:
- Biomedical Science
- Hematology
- Pathophysiology
Context:
- Investigated red blood cell (RBC) structural and functional properties in patients with atherosclerotic circulatory encephalopathy (ACE).
- Examined stages I-III of ACE to understand disease progression's impact on RBCs.
- Utilized a total systems approach to analyze multiple RBC parameters.
Purpose:
- To elucidate the alterations in RBC properties associated with the progression of atherosclerotic circulatory encephalopathy.
- To correlate changes in RBC aggregation, deformability, and membrane composition with disease severity.
- To understand the functional consequences of these RBC changes on microcirculation.
Summary:
- Progressive atherosclerosis leads to increased RBC membrane rigidity due to elevated cholesterol.
- RBC aggregation is enhanced, and the transport of univalent cations is disturbed.
- Glycolysis and macroerg synthesis are inhibited, impairing the RBC's overall transport function in microcirculation.
Impact:
- Demonstrates a direct link between atherosclerotic progression and RBC dysfunction.
- Highlights the role of altered RBC properties in the pathophysiology of circulatory encephalopathy.
- Provides insights into potential therapeutic targets for improving microcirculation in ACE patients.
Abstract:
A total systems approach was used to study the structural and functional properties of red blood cells in 100 patients suffering from atherosclerotic circulatory encephalopathy, stages I-III: aggregation, deformability, superficial cytoarchitectonics, the content of ATP and 2,3 DPH, transport of univalent cations, and the cholesterol/phospholipid index of membranes. It has been demonstrated that as the atherosclerotic process progresses, the membrane rigidity increases as a result of excessive concentration of cholesterol in the cell, aggregation is enhanced, transport of ions and substances gets disturbed, the processes of glycolysis and synthesis of macroergs get inhibited. All this brings about the derangement of transport function of the cells because of disturbance of the properties of moving in the system of microcirculation.