The role of adhesion molecules in reperfusion injury.
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Leukocytes can produce vascular injury following ischemia and reperfusion of tissue resulting in thrombosis, edema and necrosis. Leukocyte adhesion to endothelial cells allows formation of a protected microenvironment where inflammatory molecules can exceed anti-inflammatory molecules thus resulting in injury. Blocking adherence with monoclonal antibodies to adherence molecules can prevent reperfusion injury to a variety of organs. In particular, antibodies to CD18 and P-selectin have been shown to be effective in ameliorating injury.