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Majumdar, S. and Dutta, K. and Manna, S.K. and Basu, A. and Bishayi, B. (2011) Possible Protective Role of Chloramphenicol in TSST-1 and Coagulase-Positive Staphylococcus aureus-Induced Septic Arthritis with Altered Levels of Inflammatory Mediators. Inflammation, 34 (4). pp. 269-282. ISSN 0360-3997

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Chloramphenicol is mostly used against coagulase-negative Staphylococcus aureus, and its protective role against coagulase-positive S. aureus is not well studied. In our study, arthritis was induced in mice by S. aureus (Apollo Gleneagles 33 (AG-33) or American Type Culture Collection 25923 (ATCC-25923)) infection. Chloramphenicol was administered after 2 h of infection. Mice were killed at 1, 3, 5 days post-infection. Mice inoculated with pathogenic Staphylococci (AG-33) expressing coagulase and Toxic shock syndrome toxin-1 (TSST-1), displayed severe arthritis with enhanced bacterial burden in the spleen, cytokine production in serum and synovial tissue, neutrophil recruitment, and cyclooxegenase-2 expression in synovial tissue compared with ATCC-25923-infected groups. Severity of arthritis was regulated by chloramphenicol treatment. Our study suggests that alteration in the inflammatory cytokine levels and pronounced production of cyclooxygenase-2 play important roles in progression of arthritis which is regulated by application of chloramphenicol.

Item Type: Article
Depositing User: Dr P Divakar
Date Deposited: 01 Sep 2015 09:25
Last Modified: 12 Sep 2017 18:59
URI: http://cdfd.sciencecentral.in/id/eprint/428

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