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- W2048991693 abstract "CD11/CD18 is an important adhesion molecule mediating recruitment of leukocytes, which, in turn, may cause postoperative injury in the skin and gastrointestinal tract. The objective of the present study was to investigate the effects of inhibiting the function of CD18 on surgery-induced dermal and intestinal infiltration of neutrophils and on the healing of surgical skin flaps and colonic anastomosis. A flap in the dorsal skin or an end-to-end colonic anastomosis were created in Sprague-Dawley rats. Skin necrosis and anastomotic breaking strength were analyzed 6 and 3 days after surgery, respectively. Tissue myeloperoxidase (MPO) was used as a marker of neutrophil recruitment. Administration of a monoclonal antibody directed against rat CD18 (WT.3, 2 mg/kg) significantly decreased dermal and anastomotic MPO activity by more than 80%. Passive immunization against CD18 significantly improved flap survival, i.e. the survival was 80% in the anti-CD18 antibody group as compared to 38% in the control group. In contrast, this passive immunization against CD18 had no effect on the reconstitution of the integrity of the colonic anastomosis, i.e. the anastomotic breaking strength was 1.3 +/- 0.1 and 1.3 +/- 0.3 N in the control and anti-CD18 antibody group, respectively. These findings suggest that specific inhibition of CD18 function and reduced neutrophil recruitment may improve the survival of experimental skin flaps and, thus, may represent a potential target for therapeutic intervention. In contrast, we also found that blocking CD18-dependent neutrophil infiltration in the intestine had no effect on breaking strength of colonic anastomosis. Thus, neutrophils may influence the wound-healing process differently in specific organs and this needs to be considered when applying an anti-inflammatory treatment regime in order to improve tissue healing." @default.
- W2048991693 created "2016-06-24" @default.
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- W2048991693 date "2001-01-01" @default.
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- W2048991693 title "Role of CD18-Dependent Neutrophil Recruitment in Skin and Intestinal Wound Healing" @default.
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- W2048991693 doi "https://doi.org/10.1159/000049714" @default.
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