Dextranomer (Debrisan), a frequently used wound-cleansing agent, was shown to cause activation of chemotactic factors in human serum and wound fluid. These factors attracted both polymorphonuclear leukocytes (PMNs) and mononuclear leukocytes (MNs) in an agarose migration assay. When Debrisan-activated sera were used as the chemotactic stimulus, migration scores for PMNs and MNs were respectively 50% and 70% of the values obtained with zymosan-activated sera. Differential chelation studies demonstrated that Debrisan causes activation of the alternate complement pathway, and the factors produced cause receptor-mediated leukotaxis of both PMNs and MNs. Formation of chemotactic factors at the wound surface is a mechanism whereby Debrisan could conceivably augment wound healing and the inflammatory response to infection.
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