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da Rosa TF, Serafin MB, Foletto VS, Franco LN, de Paula BR, Fuchs LB, Calegari L, Hörner R. Repositioning of Benzodiazepine Drugs and Synergistic Effect with Ciprofloxacin Against ESKAPE Pathogens. Curr Microbiol 2023; 80:160. [PMID: 37004588 DOI: 10.1007/s00284-023-03242-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 02/23/2023] [Indexed: 04/04/2023]
Abstract
Infectious diseases are among the leading causes of morbidity and mortality worldwide. Combating them becomes more complex when caused by the pathogens of the ESKAPE group, which are Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa and Enterobacter spp. The purpose of this study was to investigate the repositioning potential of the benzodiazepines clonazepam and diazepam individually and in combination with the antibacterial ciprofloxacin against ESKAPE. The minimum inhibitory concentration and minimum bactericidal concentration against seven American Type Culture Collection (ATCC) reference standard strains and 64 ESKAPE clinical isolates were determined. In addition, the interaction with ciprofloxacin was determined by the checkerboard method and fractional inhibitory concentration index (FICI) of clonazepam against 11 ESKAPE and diazepam against five ESKAPE. We also list the results found and their clinical significance. Benzodiazepines showed similar antibacterial activity against Gram-positive and Gram-negative. The checkerboard and FICI results showed a synergistic effect of these drugs when associated with ciprofloxacin against almost all tested isolates. Viewing the clinical cases studied, benzodiazepines have potential as treatment alternatives. The results allow us to conclude that clonazepam and diazepam, when in combination with ciprofloxacin, have promising activity against ESKAPE, therefore, assuming the position of candidates for repositioning.
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Affiliation(s)
- Taciéli F da Rosa
- Laboratory of Bacteriology, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
- Department of Clinical and Toxicological Analysis, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Marissa B Serafin
- Laboratory of Bacteriology, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
- Department of Clinical and Toxicological Analysis, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Vitória S Foletto
- Laboratory of Bacteriology, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
- Department of Clinical and Toxicological Analysis, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Laísa N Franco
- Laboratory of Bacteriology, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
- Department of Clinical and Toxicological Analysis, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Bruno R de Paula
- Laboratory of Bacteriology, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
- Department of Clinical and Toxicological Analysis, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Luana B Fuchs
- Laboratory of Bacteriology, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
- Department of Clinical and Toxicological Analysis, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Luciano Calegari
- University Hospital of Santa Maria, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Rosmari Hörner
- Laboratory of Bacteriology, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil.
- Department of Clinical and Toxicological Analysis, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil.
- Bacteriology Laboratory, Department of Clinical and Toxicological Analysis (DACT)-Health Sciences Center (CCS)., Building 26, Room 1201, UFSM, Santa Maria, RS, 97105-900, Brazil.
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Verma R, Bhatia R, Singh G, Kumar B, Mehan S, Monga V. Design, synthesis and neuropharmacological evaluation of new 2,4-disubstituted-1,5-benzodiazepines as CNS active agents. Bioorg Chem 2020; 101:104010. [PMID: 32615464 DOI: 10.1016/j.bioorg.2020.104010] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 06/08/2020] [Accepted: 06/09/2020] [Indexed: 01/07/2023]
Abstract
Benzodiazepines (BZDs) represent a class of privilege scaffold in the modern era of medicinal chemistry as CNS active agents and BZD based drugs are used to treat different psychotic disorders. Inspired from the therapeutic potential of BZDs as promising CNS active agents, in the present work three different series of 1,5-benzodiazepines bearing various substitutions at position 2 and 4 of the benzodiazepine core were synthesized by condensing different substituted chalcones with o-phenylenediamine in the presence of piperidine as a base catalyst. Structural characterization of title compounds was done by using various analytical techniques such as IR, NMR, elemental analysis and mass spectral data. All the synthesized compounds (9a-d, 10a-e and 11a-c) were subjected to in vivo neuropharmacological studies to evaluate their CNS depressant and antiepileptic activity. Results of in vivo evaluation data showed that analogue 11b exhibited potent CNS depressant activity which was comparable to the standard drug diazepam. Compounds 10b and 10c displayed significant antiepileptic activity however they were less potent than the standard drug phenobarbitone. Molecular docking studies were performed using MOE software to find the interaction pattern and binding mode at the GABAA receptor (PDB Id: 6HUP). The results of the docking studies were in good agreement with the observed in vivo activity and revealed the satisfactory binding mode of the compounds within the binding site of the protein. The docking scores for the most promising candidates 10c, 11b and Diazepam were found to be -9.18, -9.46 and -9.88, respectively. Further, the compounds showed compliance with the Lipinski's 'rule of five' and exhibited favourable drug-likeness scores. The identified leads can be explored further for the design and development of new BZD based psychotropic agents.
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Affiliation(s)
- Ramesh Verma
- Department of Pharmaceutical Chemistry, Rajendra Institute of Technology & Sciences, Sirsa 125055, Haryana, India
| | - Rohit Bhatia
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Ghal Kalan, GT Road, Moga 142001, Punjab, India
| | - Gurpreet Singh
- Department of Pharmaceutical Chemistry, Rajendra Institute of Technology & Sciences, Sirsa 125055, Haryana, India; Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Ghal Kalan, GT Road, Moga 142001, Punjab, India
| | - Bhupinder Kumar
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Ghal Kalan, GT Road, Moga 142001, Punjab, India
| | - Sidharth Mehan
- Department of Pharmacology, Rajendra Institute of Technology & Sciences, Sirsa 125055, Haryana, India; Department of Pharmacology, ISF College of Pharmacy, Ghal Kalan, GT Road, Moga 142001, Punjab, India
| | - Vikramdeep Monga
- Department of Pharmaceutical Chemistry, Rajendra Institute of Technology & Sciences, Sirsa 125055, Haryana, India; Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Ghal Kalan, GT Road, Moga 142001, Punjab, India.
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Abdallah W, Znati M, Regazzetti A, Dargère D, Laprévote O, Ben Jannet H, Gharbi R. Synthesis of S-mono- and S,O-bis-1,2,3-triazole linked 1,5-benzodiazepine conjugates and evaluation of their cytotoxic, anti-tyrosinase, and anti-cholinesterase activities. PHOSPHORUS SULFUR 2017. [DOI: 10.1080/10426507.2017.1287704] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Wejdane Abdallah
- Laboratory of Applied Chemistry and Environment, Faculty of Science of Monastir, University of Monastir, Monastir, Tunisia
- Laboratory of Heterocyclic Chemistry, Natural Products and Reactivity (LR11SE39), Team: Medicinal Chemistry and Natural Products and Reactivity, Faculty of Science of Monastir, University of Monastir, Monastir, Tunisia
| | - Mansour Znati
- Laboratory of Heterocyclic Chemistry, Natural Products and Reactivity (LR11SE39), Team: Medicinal Chemistry and Natural Products and Reactivity, Faculty of Science of Monastir, University of Monastir, Monastir, Tunisia
| | - Anne Regazzetti
- Laboratory C-TAC Faculty of Pharmaceutical and Biological Sciences, Paris, France
| | - Delphine Dargère
- Laboratory C-TAC Faculty of Pharmaceutical and Biological Sciences, Paris, France
| | - Olivier Laprévote
- Laboratory C-TAC Faculty of Pharmaceutical and Biological Sciences, Paris, France
| | - Hichem Ben Jannet
- Laboratory of Heterocyclic Chemistry, Natural Products and Reactivity (LR11SE39), Team: Medicinal Chemistry and Natural Products and Reactivity, Faculty of Science of Monastir, University of Monastir, Monastir, Tunisia
| | - Rafik Gharbi
- Laboratory of Applied Chemistry and Environment, Faculty of Science of Monastir, University of Monastir, Monastir, Tunisia
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Wang LZ, Li XQ, An YS. 1,5-Benzodiazepine derivatives as potential antimicrobial agents: design, synthesis, biological evaluation, and structure–activity relationships. Org Biomol Chem 2015; 13:5497-509. [DOI: 10.1039/c5ob00655d] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
36 novel 1,5-benzodiazepine derivatives were synthesized and evaluated for their in vitro antimicrobial activity. The results revealed that most of the 1,5-benzodiazepine derivatives exhibited considerable potency against all of the tested strains.
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Affiliation(s)
- Lan-Zhi Wang
- College of Chemistry & Material Science
- Hebei Normal University
- Shijiazhuang 050024
- People's Republic of China
| | - Xiao-Qing Li
- College of Chemistry & Material Science
- Hebei Normal University
- Shijiazhuang 050024
- People's Republic of China
| | - Ying-Shuang An
- College of Chemistry & Material Science
- Hebei Normal University
- Shijiazhuang 050024
- People's Republic of China
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