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  • Title: The antimicrobial peptide tachyplesin III coated alone and in combination with intraperitoneal piperacillin-tazobactam prevents ureteral stent Pseudomonas infection in a rat subcutaneous pouch model.
    Author: Minardi D, Ghiselli R, Cirioni O, Giacometti A, Kamysz W, Orlando F, Silvestri C, Parri G, Kamysz E, Scalise G, Saba V, Giovanni M.
    Journal: Peptides; 2007 Dec; 28(12):2293-8. PubMed ID: 18022289.
    Abstract:
    We investigated the efficacy of Tachyplesin III alone or combined with piperacillin-tazobactam (TZP) to prevent biofilm formation in vitro and in a rat model of Pseudomonas aeruginosa ureteral stent infection. We have observed that in vitro TZP, in presence of Tachyplesin III, showed minimal inhibitory concentrations (MIC)s twofold and minimal bactericidal concentrations (MBC)s eightfold lower. The in vivo study showed that rats that received intraperitoneal TZP showed the lowest bacterial numbers. Tachyplesin III combined with TZP showed efficacies higher than that of each single compound. Coating ureteral stents with Tachyplesin III is able to inhibit bacterial growth up to 1,000 times.
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