Affiliation:
1. Department of Medicine. Karolinska Institute at Stockholm Söder Hospital. Stockholm, Sweden
2. Department of Anatomy, University of Göteborg, Göteborg. Sweden
Abstract
SUMMARY
Functional impairments of polymorphonuclear granulocytes (PMN) are believed to contribute to hampered inflammation and host defence in alcoholics. We studied effects of i.v. ethanol administration on PMN responses in rabbits during induction of a knee-joint synovitis. The synovitis conferred systemic effects, since chemiluminescent responses of peripheral blood PMN to opsonized zymosan and phorpbol myristate acetate (PMA) increased 64- and 17-9-fold, respectively. Chemiluminescent responses of synovial PMN were further amplified. This up-regulation was reduced to 33% in rabbits treated with ethanol when opsonized zymosan was used as the PMN stimulus: in contrast, PMA responses were unaffected. The appearance and migration of PMN to the synovitis joint were normal despite a blood ethanol concentration of 0-5%. Thus, ethanol impaired release of oxygen metabolites from PMN, but not the delivery of cells at an inflammatory site.
Publisher
Oxford University Press (OUP)
Subject
Immunology,Immunology and Allergy
Cited by
2 articles.
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