Heparin--examination of its antibacterial adsorption properties |
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Authors: | P M Hanno R W Fritz S G Mulholland A J Wein |
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Affiliation: | 1. Division of Urology, Department of Surgery, University of Pennsylvania School of Medicine, USA;2. Philadelphia Veterans Administration Medical Center, Philadelphia, Pennsylvania, USA |
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Abstract: | One of the primary antibacterial defense mechanisms of the bladder is the action of the luminal mucopolysaccharide layer against adsorption of inoculated bacteria. Previous studies have shown that local instillation of the mucopolysaccharide heparin can prevent bacterial adsorption on the bladder mucosa denuded of this "antiadherence factor." To determine whether this action was due to the mucopolysaccharide composition of heparin, or rather to its anticoagulant property, protamine sulfate (a basic protein with anticoagulant properties) was tested for antiadsorptive efficacy. Protamine offered no protection against bacterial adherence in the rabbit model. It appears that heparin's protective effect is unrelated to its action as an anticoagulant. |
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