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Updated: Aug 11, 2026

Quantitative In vitro Assay to Measure Neutrophil Adhesion to Activated Primary Human Microvascular Endothelial Cells under Static Conditions
Published on: August 23, 2013
Endothelial dysfunction and neutrophil adherence as critical events in the development of reperfusion injury
1Department of Physiology, Jefferson Medical College, Thomas Jefferson University, Philadelphia, PA 19107.
Abstract:
We measured changes in basal release of nitric oxide (NO) and its effect on polymorphonuclear neutrophil (PMN) adherence to endothelial cells (EC) in a feline model of myocardial ischemia and reperfusion (MI/R). Significant reductions in basal NO release occurred 10 minutes following reperfusion, whereas increases in PMN adherence occurred at 20 minutes post-reperfusion. Addition of hSOD blocked the post-reperfusion adherence of PMNs to the endothelium. These results indicate that decreased basal release of NO, following MI/R precedes enhanced PMN adherence to the coronary endothelium, which may lead to PMN-induced myocardial injury.
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