Journal
IMMUNOPHARMACOLOGY AND IMMUNOTOXICOLOGY
Volume 31, Issue 4, Pages 583-588Publisher
TAYLOR & FRANCIS LTD
DOI: 10.3109/08923970902838672
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- Wyeth Pharmaceuticals, Wayne, New Jersey, USA [3074A1-4422]
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The purpose of this study is to examine the in vitro modulatory effect of tigecycline on staphylococcal superantigen-induced T-cell activation and cytokines and chemokines production by human peripheral blood mononuclear cells (PBMC). Isolated human PBMC from ten healthy volunteers were stimulated by staphylococcal enterotoxin B (SEB) and Staphylococcal toxic shock syndrome toxin-1 (TSST-1) superantigens with varying concentrations of tigecycline. Cytokines IL-1 beta, IL-6, TNF-alpha, and chemokines MIP-1 alpha and MIP-1 beta concentrations were measured along with T cell proliferation. Results demonstrated that tigecycline alters cytokine production and reduces T-cell proliferation in vitro suggesting an immunomodulatory activity independent of its antimicrobial effect.
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