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Sweeney NL, Lipker L, Hanson AM, Bohl CJ, Engel KE, Kalous KS, Stemper ME, Sem DS, Schwan WR. Docking into Mycobacterium tuberculosis Thioredoxin Reductase Protein Yields Pyrazolone Lead Molecules for Methicillin-Resistant Staphylococcus aureus. Antibiotics (Basel) 2017; 6:antibiotics6010004. [PMID: 28134858 PMCID: PMC5372984 DOI: 10.3390/antibiotics6010004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Revised: 01/19/2017] [Accepted: 01/23/2017] [Indexed: 01/20/2023] Open
Abstract
The thioredoxin/thioredoxin reductase system (Trx/TrxR) is an attractive drug target because of its involvement in a number of important physiological processes, from DNA synthesis to regulating signal transduction. This study describes the finding of pyrazolone compounds that are active against Staphylococcus aureus. Initially, the project was focused on discovering small molecules that may have antibacterial properties targeting the Mycobacterium tuberculosis thioredoxin reductase. This led to the discovery of a pyrazolone scaffold-containing compound series that showed bactericidal capability against S. aureus strains, including drug-resistant clinical isolates. The findings support continued development of the pyrazolone compounds as potential anti-S. aureus antibiotics.
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Affiliation(s)
- Noreena L Sweeney
- Department of Pharmaceutical Sciences, Concordia University Wisconsin, 12800 N Lake Shore Dr, Mequon, WI 53097, USA.
| | - Lauren Lipker
- Department of Microbiology, University of Wisconsin-La Crosse, La Crosse, WI 54601, USA.
| | - Alicia M Hanson
- Department of Pharmaceutical Sciences, Concordia University Wisconsin, 12800 N Lake Shore Dr, Mequon, WI 53097, USA.
| | - Chris J Bohl
- Department of Pharmaceutical Sciences, Concordia University Wisconsin, 12800 N Lake Shore Dr, Mequon, WI 53097, USA.
| | - Katie E Engel
- Department of Microbiology, University of Wisconsin-La Crosse, La Crosse, WI 54601, USA.
| | - Kelsey S Kalous
- Department of Biochemistry, Medical College of Wisconsin, Wauwatosa, WI 53226, USA.
| | - Mary E Stemper
- Marshfield Clinic Research Foundation, Marshfield, WI 54449, USA.
| | - Daniel S Sem
- Department of Pharmaceutical Sciences, Concordia University Wisconsin, 12800 N Lake Shore Dr, Mequon, WI 53097, USA.
| | - William R Schwan
- Department of Microbiology, University of Wisconsin-La Crosse, La Crosse, WI 54601, USA.
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