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The Combination of a Tumor Necrosis Factor Inhibitor and Antibiotic Alleviates Staphylococcal Arthritis and Sepsis in Mice
Gothenburg University.
Gothenburg University.
Gothenburg University.
Gothenburg University.
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2011 (Engelska)Ingår i: JOURNAL OF INFECTIOUS DISEASES, ISSN 1537-6613, Vol. 204, nr 3, s. 348-357Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Background. Despite advances in medical practices, in recent decades permanent reductions in joint function have not been achieved, and the high mortality rate of patients with staphylococcal septic arthritis has not substantially improved. Methods. We evaluated the effects of a combined tumor necrosis factor (TNF) inhibitor and antibiotic therapy on the course of Staphylococcus aureus arthritis and sepsis in mice. Results. Treatment with the combination of a TNF inhibitor and an antibiotic resulted in a quicker relief of clinical arthritis in mice with septic arthritis, compared with an antibiotic monotherapy. Both histopathologically verified synovitis and the extent of joint destruction were reduced by this combined treatment. Importantly, anti-TNF treatment significantly improved the survival rate of mice with S. aureus sepsis and staphylococcal enterotoxin shock syndrome; this effect might be the result of a partial restoration of the hemostatic balance between coagulation and fibrinolysis. Finally, we demonstrated that anti-TNF treatment downregulates high-mobility group protein B1 in staphylococcal enterotoxin shock syndrome. Conclusions. Thus, simultaneous systemic TNF inhibition and antibiotic therapy has beneficial effects on the outcome of S. aureus arthritis and sepsis in a mouse model, suggesting that the combination of a TNF inhibitor and antibiotics represents a novel therapeutic strategy for the treatment of staphylococcal infections.

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University of Chicago Press , 2011. Vol. 204, nr 3, s. 348-357
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Medicin och hälsovetenskap
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URN: urn:nbn:se:liu:diva-69783DOI: 10.1093/infdis/jir266ISI: 000292562300006OAI: oai:DiVA.org:liu-69783DiVA, id: diva2:433595
Tillgänglig från: 2011-08-10 Skapad: 2011-08-08 Senast uppdaterad: 2012-03-25

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Magnusson, Mattias

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HälsouniversitetetKlinisk immunologi
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