Auranofin is an effective agent against clinical isolates of Staphylococcus aureus.

Abstract:

:Aim: The orphan drug auranofin was recently found to exhibit antimicrobial properties. Materials & methods: We explored the efficacy of auranofin by evaluating the minimal inhibitory concentration against a collection of over 500 clinical isolates derived from multiple institutions, inclusive of drug resistant strains. Our evaluation also included continuous exposure of bacteria to auranofin. Results & conclusion: We found that minimal inhibitory concentrations ranged between 0.125 and 1 mg/l, exerting robust antimicrobial activity against a sizeable clinical collection of the bacteria. Further, we evaluated the propensity of the methicillin-resistant Staphylococcus aureus strain MW2 to develop resistance through extended exposure to auranofin. After 25 days, the bacteria remained susceptible. Our data suggest that resistance mechanisms do not currently exist to block auranofin antimicrobial activity.

journal_name

Future Med Chem

authors

Tharmalingam N,Ribeiro NQ,da Silva DL,Naik MT,Cruz LI,Kim W,Shen S,Dos Santos JD,Ezikovich K,D'Agata EM,Mylonakis E,Fuchs BB

doi

10.4155/fmc-2018-0544

subject

Has Abstract

pub_date

2019-06-01 00:00:00

pages

1417-1425

issue

12

eissn

1756-8919

issn

1756-8927

journal_volume

11

pub_type

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