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Barceló IM, Escobar-Salom M, Jordana-Lluch E, Torrens G, Oliver A, Juan C. Filling knowledge gaps related to AmpC-dependent β-lactam resistance in Enterobacter cloacae. Sci Rep 2024; 14:189. [PMID: 38167986 PMCID: PMC10762043 DOI: 10.1038/s41598-023-50685-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 12/22/2023] [Indexed: 01/05/2024] Open
Abstract
Enterobacter cloacae starred different pioneer studies that enabled the development of a widely accepted model for the peptidoglycan metabolism-linked regulation of intrinsic class C cephalosporinases, highly conserved in different Gram-negatives. However, some mechanistic and fitness/virulence-related aspects of E. cloacae choromosomal AmpC-dependent resistance are not completely understood. The present study including knockout mutants, β-lactamase cloning, gene expression analysis, characterization of resistance phenotypes, and the Galleria mellonella infection model fills these gaps demonstrating that: (i) AmpC enzyme does not show any collateral activity impacting fitness/virulence; (ii) AmpC hyperproduction mediated by ampD inactivation does not entail any biological cost; (iii) alteration of peptidoglycan recycling alone or combined with AmpC hyperproduction causes no attenuation of E. cloacae virulence in contrast to other species; (iv) derepression of E. cloacae AmpC does not follow a stepwise dynamics linked to the sequential inactivation of AmpD amidase homologues as happens in Pseudomonas aeruginosa; (v) the enigmatic additional putative AmpC-type β-lactamase generally present in E. cloacae does not contribute to the classical cephalosporinase hyperproduction-based resistance, having a negligible impact on phenotypes even when hyperproduced from multicopy vector. This study reveals interesting particularities in the chromosomal AmpC-related behavior of E. cloacae that complete the knowledge on this top resistance mechanism.
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Affiliation(s)
- Isabel M Barceló
- Health Research Institute of the Balearic Islands (IdISBa), 07010, Palma, Spain
- Microbiology Department, University Hospital Son Espases (HUSE), 07010, Palma, Spain
- Centro de Investigación Biomédica en Red, Área Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28029, Madrid, Spain
| | - María Escobar-Salom
- Health Research Institute of the Balearic Islands (IdISBa), 07010, Palma, Spain
- Microbiology Department, University Hospital Son Espases (HUSE), 07010, Palma, Spain
- Centro de Investigación Biomédica en Red, Área Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28029, Madrid, Spain
| | - Elena Jordana-Lluch
- Health Research Institute of the Balearic Islands (IdISBa), 07010, Palma, Spain
- Microbiology Department, University Hospital Son Espases (HUSE), 07010, Palma, Spain
- Centro de Investigación Biomédica en Red, Área Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28029, Madrid, Spain
| | - Gabriel Torrens
- Department of Molecular Biology and Laboratory for Molecular Infection Medicine Sweden (MIMS), Umeå Centre for Microbial Research (UCMR), Umeå University, 901 87, Umeå, Sweden
| | - Antonio Oliver
- Health Research Institute of the Balearic Islands (IdISBa), 07010, Palma, Spain
- Microbiology Department, University Hospital Son Espases (HUSE), 07010, Palma, Spain
- Centro de Investigación Biomédica en Red, Área Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28029, Madrid, Spain
| | - Carlos Juan
- Health Research Institute of the Balearic Islands (IdISBa), 07010, Palma, Spain.
- Microbiology Department, University Hospital Son Espases (HUSE), 07010, Palma, Spain.
- Centro de Investigación Biomédica en Red, Área Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28029, Madrid, Spain.
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Rahim Khorasani M, Rostami S, Bakhshi A, Sheikhi R. Global evaluation of the antibacterial activity of Ceftolozane/Tazobactam against ESBLs-producing Escherichia coli and Klebsiella pneumoniae: a systematic review and meta-analysis. Ther Adv Infect Dis 2023; 10:20499361231212074. [PMID: 38029068 PMCID: PMC10656798 DOI: 10.1177/20499361231212074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 10/18/2023] [Indexed: 12/01/2023] Open
Abstract
Background Ceftolozane/Tazobactam is a β-lactam/β-lactamase inhibitor combination with a high range of efficacy and broad-spectrum action against multidrug-resistant bacterial strains. Objectives The present study aimed to analyze the in vitro activity of Ceftolozane/Tazobactam against extended-spectrum β-lactamases (ESBLs)-producing Escherichia coli (ESBLs-EC) and Klebsiella pneumonia (ESBLs-KP) in the published literature to provide international data on the antimicrobial stewardship programs. Design Systematic review and meta-analysis. Methods A systematic literature search was conducted on the Web of Science, Embase, PubMed, Scopus, and Google Scholar electronic databases from the beginning of databases to December 2022 to cover all published articles relevant to our scope. Results At last, 31 publications that met our inclusion criteria were selected for data extraction and analysis by Comprehensive Meta-Analysis Software. The pooled prevalence of Ceftolozane/Tazobactam susceptibility for ESBLs-EC and ESBLs-KP was estimated at 91.3% [95% confidence interval (CI): 90.1-92.5%] and 65.6% (95% CI: 60.8-70.2%), respectively. There was significant heterogeneity among the 31 studies for ESBLs-EC (χ2 = 91.621; p < 0.001; I2 = 67.256%) and ESBLs-KP (χ2 = 348.72; p < 0.001; I2 = 91.4%). Most clinical isolates of ESBLs-EC had MIC50 and MIC90 at a concentration of 0.5 and 2 µg/mL [minimum inhibitory concentration (MIC) at which 50% and 90% of isolates were inhibited], respectively. In contrast, most clinical isolates of ESBLs-KP had MIC50 and MIC90 at a concentration of 1 and 32 µg/mL, respectively. Conclusion Based on the meta-analysis results, Ceftolozane/Tazobactam has a more promising in vitro antibacterial activity against ESBLs-EC isolates from different clinical sources than ESBLs-KP isolates. Therefore, Ceftolozane/Tazobactam can be a useful therapeutic drug as an alternative to carbapenems. Randomized clinical trials are needed to provide clinical evidence to support these observations.
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Affiliation(s)
- Marzieh Rahim Khorasani
- Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Soodabeh Rostami
- Nosocomial Infection Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Arash Bakhshi
- Student Research Committee, Schoolof Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Raheleh Sheikhi
- Department of Microbiology, Virology and Microbial Toxins, School of Medicine, Guilan University Complex, Tehran Road Km 6th, Rasht, 3363, Guilan, Iran
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Shakour N, Taheri E, Rajabian F, Tarighi S, Soheili V, Hadizadeh F. Evaluating the Antivirulence Effects of New Thiazolidinedione Compounds Against Pseudomonas aeruginosa PAO1. Microb Drug Resist 2022; 28:1003-1018. [PMID: 36219761 DOI: 10.1089/mdr.2022.0134] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Pseudomonas aeruginosa is an opportunistic pathogen that causes several serious health problems and numerous forms of virulence. During the treatment of P. aeruginosa infections, the development of multidrug-resistant isolates creates significant clinical problems. Using antivirulence compounds to disrupt pathogenicity rather than killing the bacterium may be an interesting strategy to overcome this problem, because less harsh conditions will exist for the development of resistance. To reduce pathogenicity and biofilm formation, newly synthesized analogs of imidazolyl (8n) and previously synthesized analogs (8a-8m) with a similar backbone [the 5-(imidazolyl-methyl) thiazolidinediones] were tested against pyoverdine and pyocyanin production, protease activity, and biofilm formation. Compared to the positive control group, the best compounds reduced the production of pyoverdine (8n) by 89.57% and pyocyanin (8i) by 22.68%, and protease activity (8n) by 2.80% for PAO1 strain, at a concentration of 10 μM. Moreover, the biofilm formation assay showed a reduction of 87.94% (8i) for PAO1, as well as 30.53% (8d) and 44.65% (8m) for 1074 and 1707 strains, respectively. The compounds used in this study did not show any toxicity in the human dermal fibroblasts and 4T1 cells (viability higher than 90%). The in silico study of these compounds revealed that their antivirulence activity could be due to their interaction with the PqsR, PqsE, and LasR receptors.
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Affiliation(s)
- Neda Shakour
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Elaheh Taheri
- Laboratory of Phytopathology, Department of Crop Protection, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Fatemeh Rajabian
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Saeed Tarighi
- Laboratory of Phytopathology, Department of Crop Protection, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Vahid Soheili
- Department of Pharmaceutical Control, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Farzin Hadizadeh
- Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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GÜZEL M, ÖCAL D, TOKER ÖNDER İ, AKDOĞAN D, BAHAR ERDEM G, AKPINAR O. Comparison of In Vitro Antimicrobial Efficacy of The Ceftolozane-Tazobactam and Ceftazidime-Avibactam Combinations Against Carbapenem-Resistant Enterobacteriaceae Strains Isolated From Various Clinical Specimens. KONURALP TIP DERGISI 2021. [DOI: 10.18521/ktd.1011899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Parker SL, Pandey S, Sime FB, Stuart J, Lipman J, Roberts JA, Wallis SC. A validated LC-MS/MS method for the simultaneous quantification of the novel combination antibiotic, ceftolozane-tazobactam, in plasma (total and unbound), CSF, urine and renal replacement therapy effluent: application to pilot pharmacokinetic studies. Clin Chem Lab Med 2020; 59:921-933. [PMID: 33554515 DOI: 10.1515/cclm-2020-1196] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 11/02/2020] [Indexed: 02/03/2023]
Abstract
OBJECTIVES Novel treatment options for some carbapenem-resistant Gram-negative pathogens have been identified by the World Health Organization as being of the highest priority. Ceftolozane-tazobactam is a novel cephalosporin-beta-lactamase inhibitor combination antibiotic with potent bactericidal activity against the most difficult-to-treat multi-drug resistant and extensively drug resistant Gram-negative pathogens. This study aimed to develop and validate a liquid chromatography - tandem mass spectrometry method for the simultaneous quantification of ceftolozane and tazobactam in plasma (total and unbound), renal replacement therapy effluent (RRTE), cerebrospinal fluid (CSF) and urine. METHODS Analytes were separated using mixed-mode chromatography with an intrinsically base-deactivated C18 column and a gradient mobile phase consisting of 0.1% formic acid, 10 mM ammonium formate and acetonitrile. The analytes and internal standards were detected using rapid ionisation switching between positive and negative modes with simultaneous selected reaction monitoring. RESULTS A quadratic calibration was obtained for plasma (total and unbound), RRTE and CSF over the concentration range of 1-200 mg/L for ceftolozane and 0.5-100 mg/L for tazobactam, and for urine the concentration range of 10-2,000 mg/L for ceftolozane and 5-1,000 mg/L for tazobactam. For both ceftolozane and tazobactam, validation testing for matrix effects, precision and accuracy, specificity and stability were all within the acceptance criteria of ±15%. CONCLUSIONS This methodology was successfully applied to one pilot pharmacokinetic study in infected critically ill patients, including patients receiving renal replacement therapy, and one case study of a patient with ventriculitis, where all patients received ceftolozane-tazobactam.
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Affiliation(s)
- Suzanne L Parker
- UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia
| | - Saurabh Pandey
- UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia
| | - Fekade B Sime
- UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia
- Centre for Translational Anti-Infective Pharmacodynamics, School of Pharmacy, The University of Queensland, Brisbane, Australia
| | - Janine Stuart
- Department of Intensive Care Medicine, Royal Brisbane and Women's Hospital, Brisbane, Australia
| | - Jeffrey Lipman
- UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia
- Department of Intensive Care Medicine, Royal Brisbane and Women's Hospital, Brisbane, Australia
- Division of Anaesthesiology Critical Care Emergency and Pain Medicine, Nîmes University Hospital, University of Montpellier, Nîmes, France
| | - Jason A Roberts
- UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia
- Centre for Translational Anti-Infective Pharmacodynamics, School of Pharmacy, The University of Queensland, Brisbane, Australia
- Department of Intensive Care Medicine, Royal Brisbane and Women's Hospital, Brisbane, Australia
- Division of Anaesthesiology Critical Care Emergency and Pain Medicine, Nîmes University Hospital, University of Montpellier, Nîmes, France
- Department of Pharmacy, Royal Brisbane and Women's Hospital, Brisbane, Australia
| | - Steven C Wallis
- UQ Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia
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Papp-Wallace KM, Mack AR, Taracila MA, Bonomo RA. Resistance to Novel β-Lactam-β-Lactamase Inhibitor Combinations: The "Price of Progress". Infect Dis Clin North Am 2020; 34:773-819. [PMID: 33011051 DOI: 10.1016/j.idc.2020.05.001] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Significant advances were made in antibiotic development during the past 5 years. Novel agents were added to the arsenal that target critical priority pathogens, including multidrug-resistant Pseudomonas aeruginosa and carbapenem-resistant Enterobacterales. Of these, 4 novel β-lactam-β-lactamase inhibitor combinations (ceftolozane-tazobactam, ceftazidime-avibactam, meropenem-vaborbactam, and imipenem-cilastatin-relebactam) reached clinical approval in the United States. With these additions comes a significant responsibility to reduce the possibility of emergence of resistance. Reports in the rise of resistance toward ceftolozane-tazobactam and ceftazidime-avibactam are alarming. Clinicians and scientists must make every attempt to reverse or halt these setbacks.
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Affiliation(s)
- Krisztina M Papp-Wallace
- Research Service, Louis Stokes Cleveland Department of Veterans Affairs, 151W, 10701 East Boulevard, Cleveland, OH 44106, USA.
| | - Andrew R Mack
- Research Service, Louis Stokes Cleveland Department of Veterans Affairs, 151W, 10701 East Boulevard, Cleveland, OH 44106, USA
| | - Magdalena A Taracila
- Research Service, Louis Stokes Cleveland Department of Veterans Affairs, 151W, 10701 East Boulevard, Cleveland, OH 44106, USA
| | - Robert A Bonomo
- Research Service, Louis Stokes Cleveland Department of Veterans Affairs, 151W, 10701 East Boulevard, Cleveland, OH 44106, USA.
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Wang Y, Wang J, Wang R, Cai Y. Resistance to ceftazidime–avibactam and underlying mechanisms. J Glob Antimicrob Resist 2020; 22:18-27. [DOI: 10.1016/j.jgar.2019.12.009] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Revised: 12/03/2019] [Accepted: 12/04/2019] [Indexed: 01/08/2023] Open
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Sader HS, Carvalhaes CG, Streit JM, Doyle TB, Castanheira M. Antimicrobial Activity of Ceftazidime-Avibactam, Ceftolozane-Tazobactam and Comparators Tested Against Pseudomonas aeruginosa and Klebsiella pneumoniae Isolates from United States Medical Centers in 2016-2018. Microb Drug Resist 2020; 27:342-349. [PMID: 32762605 DOI: 10.1089/mdr.2020.0217] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Very few antimicrobial agents remain active against Pseudomonas aeruginosa and Klebsiella pneumoniae in some geographic regions. We evaluated the in vitro activity of ceftazidime-avibactam, ceftolozane-tazobactam, and comparator agents against 6,210 P. aeruginosa and 6,041 K. pneumoniae isolates consecutively collected from 85 U.S. medical centers across 37 states in 2016-2018. Antimicrobial susceptibility was determined by reference broth microdilution method. K. pneumoniae isolates found to have elevated MICs for broad-spectrum cephalosporins were submitted to whole-genome sequencing analysis to detect resistance genes. Ceftazidime-avibactam (97.1% susceptible [S]) and ceftolozane-tazobactam (97.0%S) were the most active compounds against P. aeruginosa and retained activity against meropenem-nonsusceptible (88.5-89.0%S), piperacillin-tazobactam-nonsusceptible (86.6-87.0%S), and other resistant subsets of isolates. The most active agents against K. pneumoniae per CLSI criteria were ceftazidime-avibactam (>99.9%S), amikacin (98.4%S), and meropenem (97.1%S). Ceftolozane-tazobactam was active against 95.3% of K. pneumoniae but showed limited activity against extended-spectrum β-lactamase and carbapenemase producers (82.9% and 0.0%S, respectively).
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