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Barman TK, Kumar M, Chaira T, Singhal S, Mathur T, Kalia V, Gangadharan R, Rao M, Pandya M, Bhateja P, Sood R, Upadhyay DJ, Varughese S, Yadav A, Sharma L, Ramadass V, Kumar N, Sattigeri J, Bhatnagar PK, Raj VS. Novel fluorobenzothiazole as a dual inhibitor of gyrase B and topoisomerase IV against Gram-positive pathogens. Future Microbiol 2023; 18:625-638. [PMID: 37347211 DOI: 10.2217/fmb-2022-0207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/23/2023] Open
Abstract
Aim: The development of a novel inhibitor targeting gyrase B and topoisomerase IV offers an opportunity to combat multidrug resistance. Methods: We investigated the activity of RBx 10080758 against Gram-positive bacteria in vitro and in vivo. Results: RBx 10080758 showed a potent 50% inhibitory concentration of 0.13 μM and 0.25 μM against gyrase B and topoisomerase IV, respectively, and exhibited strong whole-cell in vitro activity with MIC ranges of 0.015-0.06 and 0.015-0.03 μg/ml against Staphylococcus aureus and Streptococcus pneumoniae, respectively. In a rat thigh infection model with methicillin-resistant S. aureus, RBx 10080758 at 45 mg/kg exhibited a >3 log10 CFU reduction in thigh muscles. Conclusion: RBx 10080758 displayed potent activity against multiple multidrug-resistant Gram-positive bacteria with a dual-targeting mechanism of action.
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Affiliation(s)
- Tarani K Barman
- Department of Infectious Diseases, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Microbiology, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
| | - Manoj Kumar
- Department of Infectious Diseases, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Microbiology, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
- Research Department, Sidra Medicine, Doha, 26999, Qatar
| | - Tridib Chaira
- Department of Metabolism & Pharmacokinetics, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Drug Metabolism & Pharmacokinetics, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
- Department of Pharmacology, SGT University, Gurugram, 122505, Haryana, India
| | - Smita Singhal
- Department of Infectious Diseases, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Microbiology, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
| | - Tarun Mathur
- Department of Infectious Diseases, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Microbiology, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
| | - Vandana Kalia
- Department of Infectious Diseases, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Microbiology, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
| | - Ramkumar Gangadharan
- Department of Infectious Diseases, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Microbiology, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
- Department of Pharmacology, SGT University, Gurugram, 122505, Haryana, India
| | - Madhvi Rao
- Department of Infectious Diseases, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Microbiology, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
| | - Manisha Pandya
- Department of Infectious Diseases, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Microbiology, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
| | - Pragya Bhateja
- Department of Infectious Diseases, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Microbiology, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
| | - Ruchi Sood
- Department of Infectious Diseases, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Microbiology, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
| | - Dilip J Upadhyay
- Department of Infectious Diseases, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Microbiology, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
| | - Shibu Varughese
- Department of Chemistry, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Chemistry, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
| | - Ajay Yadav
- Department of Chemistry, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Chemistry, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
| | - Lalima Sharma
- Department of Chemistry, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Chemistry, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
| | - Venkataramanan Ramadass
- Department of Chemistry, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Chemistry, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
| | - Naresh Kumar
- Department of Chemistry, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Chemistry, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
| | - Jitendra Sattigeri
- Department of Chemistry, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Chemistry, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
| | - Pradip K Bhatnagar
- Department of Chemistry, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Chemistry, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
| | - V Samuel Raj
- Department of Infectious Diseases, New Drug Discovery Research, Ranbaxy Research Laboratories, R & D III, Sector-18, Gurgaon, 122 015, India
- Department of Microbiology, Daiichi Sankyo India Pharma Private Limited, Village Sarhaul, Sector-18, Gurgaon, 122 015, India
- Centre for Drug Design Discovery & Development (C4D), SRM University, Delhi-NCR, Sonepat, 131 029, Haryana, India
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