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Continuous subendothelial network formed by pericyte-like cells in human vascular bed
E R Andreeva1, I M Pugach, D Gordon
1Institute of Experimental Cardiology, Cardiology Research Center, Moscow, Russia.
Tissue & Cell
|May 7, 1998
Summary
Pericyte-like cells form a continuous network within the human vascular system. These cells are found throughout arteries, veins, and capillaries, particularly in the subendothelial layer.
Area of Science:
- Vascular Biology
- Cell Biology
- Immunohistochemistry
Background:
- Pericytes are crucial cells in vascular development and function.
- Their precise distribution and network formation in the adult human vasculature remain incompletely understood.
Purpose of the Study:
- To investigate the localization and distribution of pericyte-like cells within the adult human vascular bed.
- To characterize the network structure formed by these cells, particularly in the subendothelium.
Main Methods:
- Immunocytochemical analysis using the anti-pericyte antibody 3G5.
- Examination of various blood vessel types including arteries, veins, arterioles, venules, and capillaries.
- Analysis of intimal en face preparations to visualize cellular networks.
Main Results:
- Pericyte-like cells were identified in arteries, veins, and capillaries across different layers (intima, media, adventitia).
- These cells were consistently found in the subendothelial layer of arterioles, venules, and capillaries.
- Subendothelial pericyte-like cells form an interconnected network through their cellular processes.
Conclusions:
- A continuous subendothelial network of pericyte-like cells exists throughout the adult human vascular bed.
- This finding highlights the widespread presence and potential coordinated function of pericytes in human vasculature.