Antibacterial Activities of Iron Chelators against Common Nosocomial Pathogens

Author:

Thompson Mitchell G.1,Corey Brendan W.1,Si Yuanzheng1,Craft David W.1,Zurawski Daniel V.1

Affiliation:

1. Walter Reed Army Institute of Research, Silver Spring, Maryland, USA

Abstract

ABSTRACT The activities of iron chelators (deferoxamine, deferiprone, Apo6619, and VK28) were evaluated against type strains of Acinetobacter baumannii , Pseudomonas aeruginosa , Staphylococcus aureus , Klebsiella pneumoniae , and Escherichia coli . Deferiprone, Apo6619, and VK28 each inhibited growth in standard and RPMI tissue culture medium, while deferoxamine had no effect. Additionally, time-kill assays revealed that VK28 had a bacteriostatic effect against S. aureus . Therefore, these newly developed iron chelators might provide a nontraditional approach for treatment of bacterial infections.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

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