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Repurposing Celecoxib As A Topical Antimicrobial Agent, Shankar Thangamani, Waleed Younis, Mohamed N. Seleem
Repurposing Celecoxib As A Topical Antimicrobial Agent, Shankar Thangamani, Waleed Younis, Mohamed N. Seleem
Department of Comparative Pathobiology Faculty Publications
There is an urgent need for new antibiotics and alternative strategies to combat multidrug-resistant bacterial pathogens, which are a growing clinical issue. Repurposing existing approved drugs with known pharmacology and toxicology is an alternative strategy to accelerate antimicrobial research and development. In this study, we show that celecoxib, a marketed inhibitor of cyclooxygenase-2, exhibits broad-spectrum antimicrobial activity against Gram-positive pathogens from a variety of genera, including Staphylococcus, Streptococcus, Listeria, Bacillus, and Mycobacterium, but not against Gram-negative pathogens. However, celecoxib is active against all of the Gram-negative bacteria tested, including strains of, Acinetobacter, and Pseudomonas, when …