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Jalil AT, Alrawe RTA, Al-Saffar MA, Shaghnab ML, Merza MS, Abosaooda M, Latef R. The use of combination therapy for the improvement of colistin activity against bacterial biofilm. Braz J Microbiol 2024; 55:411-427. [PMID: 38030866 PMCID: PMC10920569 DOI: 10.1007/s42770-023-01189-7] [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] [Received: 07/14/2023] [Accepted: 10/27/2023] [Indexed: 12/01/2023] Open
Abstract
Colistin is used as a last resort for the management of infections caused by multi-drug resistant (MDR) bacteria. However, the use of this antibiotic could lead to different side effects, such as nephrotoxicity, in most patients, and the high prevalence of colistin-resistant strains restricts the use of colistin in the clinical setting. Additionally, colistin could induce resistance through the increased formation of biofilm; biofilm-embedded cells are highly resistant to antibiotics, and as with other antibiotics, colistin is impaired by bacteria in the biofilm community. In this regard, the researchers used combination therapy for the enhancement of colistin activity against bacterial biofilm, especially MDR bacteria. Different antibacterial agents, such as antimicrobial peptides, bacteriophages, natural compounds, antibiotics from different families, N-acetylcysteine, and quorum-sensing inhibitors, showed promising results when combined with colistin. Additionally, the use of different drug platforms could also boost the efficacy of this antibiotic against biofilm. The mentioned colistin-based combination therapy not only could suppress the formation of biofilm but also could destroy the established biofilm. These kinds of treatments also avoided the emergence of colistin-resistant subpopulations, reduced the required dosage of colistin for inhibition of biofilm, and finally enhanced the dosage of this antibiotic at the site of infection. However, the exact interaction of colistin with other antibacterial agents has not been elucidated yet; therefore, further studies are required to identify the precise mechanism underlying the efficient removal of biofilms by colistin-based combination therapy.
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Affiliation(s)
| | | | - Montaha A Al-Saffar
- Community Health Department, Institute of Medical Technology/Baghdad, Middle Technical University, Baghdad, Iraq
| | | | - Muna S Merza
- Prosthetic Dental Techniques Department, Al-Mustaqbal University College, Babylon, 51001, Iraq
| | - Munther Abosaooda
- Medical Laboratory Technology Department, College of Medical Technology, The Islamic University, Najaf, Iraq
| | - Rahim Latef
- Medical Technical College, Al-Farahidi University, Baghdad, Iraq
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2
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Juszczuk-Kubiak E. Molecular Aspects of the Functioning of Pathogenic Bacteria Biofilm Based on Quorum Sensing (QS) Signal-Response System and Innovative Non-Antibiotic Strategies for Their Elimination. Int J Mol Sci 2024; 25:2655. [PMID: 38473900 DOI: 10.3390/ijms25052655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 02/21/2024] [Accepted: 02/22/2024] [Indexed: 03/14/2024] Open
Abstract
One of the key mechanisms enabling bacterial cells to create biofilms and regulate crucial life functions in a global and highly synchronized way is a bacterial communication system called quorum sensing (QS). QS is a bacterial cell-to-cell communication process that depends on the bacterial population density and is mediated by small signalling molecules called autoinducers (AIs). In bacteria, QS controls the biofilm formation through the global regulation of gene expression involved in the extracellular polymeric matrix (EPS) synthesis, virulence factor production, stress tolerance and metabolic adaptation. Forming biofilm is one of the crucial mechanisms of bacterial antimicrobial resistance (AMR). A common feature of human pathogens is the ability to form biofilm, which poses a serious medical issue due to their high susceptibility to traditional antibiotics. Because QS is associated with virulence and biofilm formation, there is a belief that inhibition of QS activity called quorum quenching (QQ) may provide alternative therapeutic methods for treating microbial infections. This review summarises recent progress in biofilm research, focusing on the mechanisms by which biofilms, especially those formed by pathogenic bacteria, become resistant to antibiotic treatment. Subsequently, a potential alternative approach to QS inhibition highlighting innovative non-antibiotic strategies to control AMR and biofilm formation of pathogenic bacteria has been discussed.
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Affiliation(s)
- Edyta Juszczuk-Kubiak
- Laboratory of Biotechnology and Molecular Engineering, Department of Microbiology, Prof. Wacław Dąbrowski Institute of Agricultural and Food Biotechnology-State Research Institute, Rakowiecka 36 Street, 02-532 Warsaw, Poland
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Chatupheeraphat C, Peamchai J, Luk-in S, Yainoy S, Eiamphungporn W. Synergistic effect of two antimicrobial peptides, BP203 and MAP-0403 J-2 with conventional antibiotics against colistin-resistant Escherichia coli and Klebsiella pneumoniae clinical isolates. PLoS One 2023; 18:e0294287. [PMID: 37972089 PMCID: PMC10653547 DOI: 10.1371/journal.pone.0294287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 10/27/2023] [Indexed: 11/19/2023] Open
Abstract
Drug-resistant Enterobacterales infections are a great health concern due to the lack of effective treatments. Consequently, finding novel antimicrobials or combining therapies becomes a crucial approach in addressing this problem. BP203 and MAP-0403 J-2, novel antimicrobial peptides, have exhibited effectiveness against Gram-negative bacteria. In this study, we assessed the in vitro antibacterial activity of BP203 and MAP-0403 J-2, along with their synergistic interaction with conventional antibiotics including colistin, rifampicin, chloramphenicol, ceftazidime, meropenem, and ciprofloxacin against colistin-resistant Escherichia coli and Klebsiella pneumoniae clinical isolates. The minimal inhibitory concentrations (MIC) of BP203 and MAP-0403 J-2 against tested E. coli isolates were 2-16 and 8-32 μg/mL, respectively. However, for the majority of K. pneumoniae isolates, the MIC of BP203 and MAP-0403 J-2 were >128 μg/mL. Notably, our results demonstrated a synergistic effect when combining BP203 with rifampicin, meropenem, or chloramphenicol, primarily observed in most K. pneumoniae isolates. In contrast, no synergism was evident between BP203 and colistin, chloramphenicol, ceftazidime, rifampicin, or ciprofloxacin when tested against all E. coli isolates. Furthermore, synergistic effects between MAP-0403 J-2 and rifampicin, ceftazidime or colistin were observed against the majority of E. coli isolates. Similarly, the combined effect of MAP-0403 J-2 with rifampicin or chloramphenicol was synergistic in the majority of K. pneumoniae isolates. Importantly, these peptides displayed the stability at high temperatures, across a wide range of pH values, in specific serum concentrations and under physiological salt conditions. Both peptides also showed no significant hemolysis and cytotoxicity against mammalian cells. Our findings suggested that BP203 and MAP-0403 J-2 are promising candidates against colistin-resistant E. coli. Meanwhile, the synergism of these peptides and certain antibiotics could be of great therapeutic value as antimicrobial drugs against infections caused by colistin-resistant E. coli and K. pneumoniae.
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Affiliation(s)
- Chawalit Chatupheeraphat
- Center for Research Innovation and Biomedical Informatics, Faculty of Medical Technology, Mahidol University, Salaya, Nakhon Pathom, Thailand
| | - Jiratchaya Peamchai
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand
| | - Sirirat Luk-in
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand
| | - Sakda Yainoy
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand
| | - Warawan Eiamphungporn
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Bangkok, Thailand
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4
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Synergy between Human Peptide LL-37 and Polymyxin B against Planktonic and Biofilm Cells of Escherichia coli and Pseudomonas aeruginosa. Antibiotics (Basel) 2023; 12:antibiotics12020389. [PMID: 36830299 PMCID: PMC9952724 DOI: 10.3390/antibiotics12020389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 02/01/2023] [Accepted: 02/13/2023] [Indexed: 02/17/2023] Open
Abstract
The rise in antimicrobial resistant bacteria is limiting the number of effective treatments for bacterial infections. Escherichia coli and Pseudomonas aeruginosa are two of the pathogens with the highest prevalence of resistance, and with the greatest need for new antimicrobial agents. Combinations of antimicrobial peptides (AMPs) and antibiotics that display synergistic effects have been shown to be an effective strategy in the development of novel therapeutic agents. In this study, we investigated the synergy between the AMP LL-37 and various classes of antibiotics against E. coli and P. aeruginosa strains. Of the six antibiotics tested (ampicillin, tetracycline, ciprofloxacin, gentamicin, aztreonam, and polymyxin B (PMB)), LL-37 displayed the strongest synergy against E. coli MG1655 and P. aeruginosa PAO1 laboratory strains when combined with PMB. Given the strong synergy, the PMB + LL-37 combination was chosen for further examination where it demonstrated synergy against multidrug-resistant and clinical E. coli isolates. Synergy of PMB + LL-37 towards clinical isolates of P. aeruginosa varied and showed synergistic, additive, or indifferent effects. The PMB + LL-37 combination treatment showed significant prevention of biofilm formation as well as eradication of pre-grown E. coli and P. aeruginosa biofilms. Using the Galleria mellonella wax worm model, we showed that the PMB + LL-37 combination treatment retained its antibacterial capacities in vivo. Flow analyses were performed to characterize the mode of action. The results of the present study provide proof of principle for the synergistic response between LL-37 and PMB and give novel insights into a promising new antimicrobial combination against gram-negative planktonic and biofilm cells.
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Memariani H, Memariani M. Antibiofilm properties of cathelicidin LL-37: an in-depth review. World J Microbiol Biotechnol 2023; 39:99. [PMID: 36781570 DOI: 10.1007/s11274-023-03545-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 02/08/2023] [Indexed: 02/15/2023]
Abstract
Notwithstanding ceaseless endeavors toward developing effective antibiofilm chemotherapeutics, biofilm-associated infections continue to be one of the most perplexing challenges confronting medicine today. Endogenous host defense peptides, such as the human cathelicidin LL-37, are being propounded as promising options for treating such infectious diseases. Over the past decennium, LL-37 has duly received tremendous research attention by virtue of its broad-spectrum antimicrobial activity and immunomodulatory properties. No attempt has hitherto been made, as far as we are aware, to comprehensively review the antibiofilm effects of LL-37. Accordingly, the intent in this paper is to provide a fairly all-embracing review of the literature available on the subject. Accumulating evidence suggests that LL-37 is able to prevent biofilm establishment by different bacterial pathogens such as Acinetobacter baumannii, Aggregatibacter actinomycetemcomitans, Bacteroides fragilis, Burkholderia thailandensis, Cutibacterium acnes, Escherichia coli, Francisella tularensis, Helicobacter pylori, Klebsiella pneumoniae, Pseudomonas aeruginosa, Staphylococcus aureus, and Streptococcus pyogenes. Inhibition of bacterial adhesion, downregulation of biofilm-associated genes, suppression of quorum-sensing pathways, degradation of biofilm matrix, and eradication of biofilm-residing cells are the major mechanisms responsible for antibiofilm properties of LL-37. In terms of its efficacy and safety in vivo, there are still many questions to be answered. Undoubtedly, LL-37 can open up new windows of opportunity to prevent and treat obstinate biofilm-mediated infections.
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Affiliation(s)
- Hamed Memariani
- Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Mojtaba Memariani
- Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran.
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6
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Our Experience over 20 Years: Antimicrobial Peptides against Gram Positives, Gram Negatives, and Fungi. Pharmaceutics 2022; 15:pharmaceutics15010040. [PMID: 36678669 PMCID: PMC9862542 DOI: 10.3390/pharmaceutics15010040] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 12/04/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022] Open
Abstract
Antibiotic resistance is rapidly increasing, and new anti-infective therapies are urgently needed. In this regard, antimicrobial peptides (AMPs) may represent potential candidates for the treatment of infections caused by multiresistant microorganisms. In this narrative review, we reported the experience of our research group over 20 years. We described the AMPs we evaluated against Gram-positive, Gram-negative, and fungi. In conclusion, our experience shows that AMPs can be a key option for treating multiresistant infections and overcoming resistance mechanisms. The combination of AMPs allows antibiotics and antifungals that are no longer effective to exploit the synergistic effect by restoring their efficacy. A current limitation includes poor data on human patients, the cost of some AMPs, and their safety, which is why studies on humans are needed as soon as possible.
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C S, G. R R, L. F L, M.C.G DR, N.B C, S.C D, O. L F. Advances and perspectives for antimicrobial peptide and combinatory therapies. Front Bioeng Biotechnol 2022; 10:1051456. [PMID: 36578509 PMCID: PMC9791095 DOI: 10.3389/fbioe.2022.1051456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 11/28/2022] [Indexed: 12/14/2022] Open
Abstract
Antimicrobial peptides (AMPs) have shown cell membrane-directed mechanisms of action. This specificity can be effective against infectious agents that have acquired resistance to conventional drugs. The AMPs' membrane-specificity and their great potential to combat resistant microbes has brought hope to the medical/therapeutic scene. The high death rate worldwide due to antimicrobial resistance (AMR) has pushed forward the search for new molecules and product developments, mainly antibiotics. In the current scenario, other strategies including the association of two or more drugs have contributed to the treatment of difficult-to-treat infectious diseases, above all, those caused by bacteria. In this context, the synergistic action of AMPs associated with current antibiotic therapy can bring important results for the production of new and effective drugs to overcome AMR. This review presents the advances obtained in the last 5 years in medical/antibiotic therapy, with the use of products based on AMPs, as well as perspectives on the potentialized effects of current drugs combined with AMPs for the treatment of bacterial infectious diseases.
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Affiliation(s)
- Santos C
- S-Inova Biotech, Programa de Pós-Graduação Em Biotecnologia, Universidade Católica Dom Bosco (UCDB), Campo Grande, Brazil
| | - Rodrigues G. R
- Centro de Análises Proteômicas e Bioquímica (CAPB), Programa de Pós-Graduação Em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília (UCB), Brasília, Brazil
| | - Lima L. F
- Centro de Análises Proteômicas e Bioquímica (CAPB), Programa de Pós-Graduação Em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília (UCB), Brasília, Brazil
| | - dos Reis M.C.G
- Centro de Análises Proteômicas e Bioquímica (CAPB), Programa de Pós-Graduação Em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília (UCB), Brasília, Brazil
| | - Cunha N.B
- Centro de Análises Proteômicas e Bioquímica (CAPB), Programa de Pós-Graduação Em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília (UCB), Brasília, Brazil
- Faculdade de Agronomia e Medicina Veterinária (FAV), Universidade de Brasília (UnB), Brasília, Brazil
| | - Dias S.C
- Centro de Análises Proteômicas e Bioquímica (CAPB), Programa de Pós-Graduação Em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília (UCB), Brasília, Brazil
- Programa de Pós-Graduação Em Biologia Animal, Universidade de Brasília (UnB), Brasília, Brazil
| | - Franco O. L
- S-Inova Biotech, Programa de Pós-Graduação Em Biotecnologia, Universidade Católica Dom Bosco (UCDB), Campo Grande, Brazil
- Centro de Análises Proteômicas e Bioquímica (CAPB), Programa de Pós-Graduação Em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília (UCB), Brasília, Brazil
- Programa de Pós-Graduação Em Patologia Molecular, Universidade de Brasília (UnB), Brasília, Brazil
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8
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Xiao L, Yang X, Li J, Zhang P, Tang S, Cao D, Chen S, Li H, Zhang W, Chen G, Ni G, Wang T, Liu X. Caerin 1 Peptides, the Potential Jack-of-All-Trades for the Multiple Antibiotic-Resistant Bacterial Infection Treatment and Cancer Immunotherapy. BIOMED RESEARCH INTERNATIONAL 2022; 2022:7841219. [PMID: 35445137 PMCID: PMC9015854 DOI: 10.1155/2022/7841219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/17/2022] [Accepted: 03/24/2022] [Indexed: 12/24/2022]
Abstract
Antibiotic resistance-related bacterial infections and cancers become huge challenges in human health in the 21st century. A number of naturally derived antimicrobial peptides possess multiple functions in host defense, including anti-infective and anticancer activities. One of which is known as the caerin 1 family peptides. The microbicidal properties of these peptides have been long discussed. The recent studies also established the usage of two members in this family, caerin 1.1 and caerin 1.9, in antimultiple antibiotic-resistant bacteria species. It is increasingly evident that caerin 1.1 and caerin 1.9 also contain additional activities in the suppression of tumor. In this review, we briefly outline the therapeutic potentials and possible mechanism of action of caerin 1.1 and 1.9 in the treatment of multiple antibiotic-resistant bacterial infection and cancer immunotherapy.
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Affiliation(s)
- Liyin Xiao
- The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, Guangdong 510080, China
- Zhongao Biomedical Co. Ltd, Guangzhou, Guangdong 510080, China
| | - Xiaodan Yang
- The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, Guangdong 510080, China
| | - Junjie Li
- The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, Guangdong 510080, China
| | - Pingping Zhang
- Cancer Research Institute, First People's Hospital of Foshan, Foshan, Guangdong 528000, China
| | - Shuxian Tang
- Cancer Research Institute, First People's Hospital of Foshan, Foshan, Guangdong 528000, China
| | - Dongmin Cao
- Cancer Research Institute, First People's Hospital of Foshan, Foshan, Guangdong 528000, China
| | - Shu Chen
- Cancer Research Institute, First People's Hospital of Foshan, Foshan, Guangdong 528000, China
| | - Hejie Li
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore DC, QLD 4558, Australia
| | - Wei Zhang
- The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, Guangdong 510080, China
| | - Guoqiang Chen
- Cancer Research Institute, First People's Hospital of Foshan, Foshan, Guangdong 528000, China
| | - Guoying Ni
- The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, Guangdong 510080, China
- Cancer Research Institute, First People's Hospital of Foshan, Foshan, Guangdong 528000, China
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore DC, QLD 4558, Australia
| | - Tianfang Wang
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore DC, QLD 4558, Australia
| | - Xiaosong Liu
- The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, Guangdong 510080, China
- Zhongao Biomedical Co. Ltd, Guangzhou, Guangdong 510080, China
- Cancer Research Institute, First People's Hospital of Foshan, Foshan, Guangdong 528000, China
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Morroni G, Bressan R, Fioriti S, D’Achille G, Mingoia M, Cirioni O, Di Bella S, Piazza A, Comandatore F, Mauri C, Migliavacca R, Luzzaro F, Principe L, Lagatolla C. Antimicrobial Activity of Aztreonam in Combination with Old and New β-Lactamase Inhibitors against MBL and ESBL Co-Producing Gram-Negative Clinical Isolates: Possible Options for the Treatment of Complicated Infections. Antibiotics (Basel) 2021; 10:antibiotics10111341. [PMID: 34827279 PMCID: PMC8615000 DOI: 10.3390/antibiotics10111341] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/01/2021] [Accepted: 11/01/2021] [Indexed: 12/11/2022] Open
Abstract
Metallo-β-lactamases (MBLs) are among the most challenging bacterial enzymes to overcome. Aztreonam (ATM) is the only β-lactam not hydrolyzed by MBLs but is often inactivated by co-produced extended-spectrum β-lactamases (ESBL). We assessed the activity of the combination of ATM with old and new β-lactamases inhibitors (BLIs) against MBL and ESBL co-producing Gram-negative clinical isolates. Six Enterobacterales and three non-fermenting bacilli co-producing MBL and ESBL determinants were selected as difficult-to-treat pathogens. ESBLs and MBLs genes were characterized by PCR and sequencing. The activity of ATM in combination with seven different BLIs (clavulanate, sulbactam, tazobactam, vaborbactam, avibactam, relebactam, zidebactam) was assessed by microdilution assay and time–kill curve. ATM plus avibactam was the most effective combination, able to restore ATM susceptibility in four out of nine tested isolates, reaching in some cases a 128-fold reduction of the MIC of ATM. In addition, relebactam and zidebactam showed to be effective, but with lesser reduction of the MIC of ATM. E. meningoseptica and C. indologenes were not inhibited by any ATM–BLI combination. ATM–BLI combinations demonstrated to be promising against MBL and ESBL co-producers, hence providing multiple options for treatment of related infections. However, no effective combination was found for some non-fermentative bacilli, suggesting the presence of additional resistance mechanisms that complicate the choice of an active therapy.
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Affiliation(s)
- Gianluca Morroni
- Department of Biomedical Sciences and Public Health, Polytechnic University of Marche, 60126 Ancona, Italy; (G.M.); (S.F.); (G.D.); (M.M.); (O.C.)
| | - Raffaela Bressan
- Department of Life Sciences, University of Trieste, 34127 Trieste, Italy; (R.B.); (C.L.)
| | - Simona Fioriti
- Department of Biomedical Sciences and Public Health, Polytechnic University of Marche, 60126 Ancona, Italy; (G.M.); (S.F.); (G.D.); (M.M.); (O.C.)
| | - Gloria D’Achille
- Department of Biomedical Sciences and Public Health, Polytechnic University of Marche, 60126 Ancona, Italy; (G.M.); (S.F.); (G.D.); (M.M.); (O.C.)
| | - Marina Mingoia
- Department of Biomedical Sciences and Public Health, Polytechnic University of Marche, 60126 Ancona, Italy; (G.M.); (S.F.); (G.D.); (M.M.); (O.C.)
| | - Oscar Cirioni
- Department of Biomedical Sciences and Public Health, Polytechnic University of Marche, 60126 Ancona, Italy; (G.M.); (S.F.); (G.D.); (M.M.); (O.C.)
| | - Stefano Di Bella
- Clinical Department of Medical, Surgical and Health Sciences, University of Trieste, 34129 Trieste, Italy;
| | - Aurora Piazza
- Unit of Microbiology and Clinical Microbiology, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, 27100 Pavia, Italy; (A.P.); (R.M.)
| | - Francesco Comandatore
- Department of Romeo and Enrica Invernizzi Pediatric Research Center, Department of Biomedical and Clinical Sciences L. Sacco, University of Milan, 20157 Milan, Italy;
| | - Carola Mauri
- Clinical Microbiology and Virology Unit, A. Manzoni Hospital, 23900 Lecco, Italy; (C.M.); (F.L.)
| | - Roberta Migliavacca
- Unit of Microbiology and Clinical Microbiology, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, 27100 Pavia, Italy; (A.P.); (R.M.)
| | - Francesco Luzzaro
- Clinical Microbiology and Virology Unit, A. Manzoni Hospital, 23900 Lecco, Italy; (C.M.); (F.L.)
| | - Luigi Principe
- Clinical Pathology and Microbiology Unit, S. Giovanni di Dio Hospital, 88900 Crotone, Italy
- Correspondence:
| | - Cristina Lagatolla
- Department of Life Sciences, University of Trieste, 34127 Trieste, Italy; (R.B.); (C.L.)
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