Assessment of TNFalpha-induced endothelial damage through the loss of its barrier function.

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Abstract

Tumor necrosis factor alpha (TNFalpha) appears to be the main mediator causing the systemic manifestations of sepsis and septic shock associated with edema. In vitro it augments movement of permeability tracers across endothelial cell monolayers. Herein we describe a method which permits quantification and assessment of changes in the integrity of endothelial monolayers by measuring transendothelial flux (luminal to subluminal) of tracer macromolecules in the absence of hydrostatic and oncotic pressure gradients. The system consists of two compartments separated by a polycarbonate filter and permits highly controlled conditions.

Original languageEnglish
Pages (from-to)127-136
Number of pages10
JournalMethods in molecular medicine
Volume98
Publication statusPublished - 2004

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polycarbonate
Hydrostatic Pressure
Septic Shock
Permeability
Edema
Sepsis
Endothelial Cells
Tumor Necrosis Factor-alpha
In Vitro Techniques

Cite this

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title = "Assessment of TNFalpha-induced endothelial damage through the loss of its barrier function.",
abstract = "Tumor necrosis factor alpha (TNFalpha) appears to be the main mediator causing the systemic manifestations of sepsis and septic shock associated with edema. In vitro it augments movement of permeability tracers across endothelial cell monolayers. Herein we describe a method which permits quantification and assessment of changes in the integrity of endothelial monolayers by measuring transendothelial flux (luminal to subluminal) of tracer macromolecules in the absence of hydrostatic and oncotic pressure gradients. The system consists of two compartments separated by a polycarbonate filter and permits highly controlled conditions.",
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