1
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Wei X, Yue L, Zhao B, Jiang N, Lei H, Zhai X. Recent advances and challenges of revolutionizing drug-resistant tuberculosis treatment. Eur J Med Chem 2024; 277:116785. [PMID: 39191032 DOI: 10.1016/j.ejmech.2024.116785] [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: 05/07/2024] [Revised: 06/20/2024] [Accepted: 08/18/2024] [Indexed: 08/29/2024]
Abstract
Tuberculosis (TB), an infectious disease induced by Mycobacterium tuberculosis, is one of the primary public health threats all over the world. Since the prevalence of first-line anti-TB agents, the morbidity and mortality issues of TB descended obviously. Nevertheless, the emergences of multidrug-resistant (MDR) and extensively drug-resistant (XDR) strains, the double prevalence of HIV-TB co-infection, and the insufficiency of plentiful health care have led to an increased incidence of TB. It is noted that current drugs for treating TB have proved unsustainable in the face of highly resistant strains. Fortunately, five categories of new drugs and candidates with new mechanisms of action have emerged in the field of anti-TB research after decades of stagnation in the progression of anti-TB drugs. In this paper, the research status of these promising anti-TB drugs and candidates are reviewed, emphasizing the challenges to be addressed for efficient development of future TB therapies.
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Affiliation(s)
- Xiujian Wei
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Lingfeng Yue
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Bing Zhao
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Nan Jiang
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Hongrui Lei
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, PR China.
| | - Xin Zhai
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, PR China.
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2
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Chen S, Mao Q, Cheng H, Tai W. RNA-Binding Small Molecules in Drug Discovery and Delivery: An Overview from Fundamentals. J Med Chem 2024; 67:16002-16017. [PMID: 39287926 DOI: 10.1021/acs.jmedchem.4c01330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2024]
Abstract
RNA molecules, similar to proteins, fold into complex structures to confer diverse functions in cells. The intertwining of functions with RNA structures offers a new therapeutic opportunity for small molecules to bind and manipulate disease-relevant RNA pathways, thus creating a therapeutic realm of RNA-binding small molecules. The ongoing interest in RNA targeting and subsequent screening campaigns have led to the identification of numerous compounds that can regulate RNAs from splicing, degradation to malfunctions, with therapeutic benefits for a variety of diseases. Moreover, along with the rise of RNA-based therapeutics, RNA-binding small molecules have expanded their application to the modification, regulation, and delivery of RNA drugs, leading to the burgeoning interest in this field. This Perspective overviews the emerging roles of RNA-binding small molecules in drug discovery and delivery, covering aspects from their action fundamentals to therapeutic applications, which may inspire researchers to advance the field.
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Affiliation(s)
- Siyi Chen
- Department of Pharmaceutical Engineering, School of Pharmaceutical Sciences, Wuhan University, Wuhan, Hubei 430071, China
- Department of Pharmacy, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, China
| | - Qi Mao
- Department of Pharmaceutical Engineering, School of Pharmaceutical Sciences, Wuhan University, Wuhan, Hubei 430071, China
- Department of Pharmacy, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, China
| | - Hong Cheng
- Department of Pharmaceutical Engineering, School of Pharmaceutical Sciences, Wuhan University, Wuhan, Hubei 430071, China
- Department of Pharmacy, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, China
| | - Wanyi Tai
- Department of Pharmaceutical Engineering, School of Pharmaceutical Sciences, Wuhan University, Wuhan, Hubei 430071, China
- Department of Pharmacy, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, China
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3
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Saikia S, Chetia P. Antibiotics: From Mechanism of Action to Resistance and Beyond. Indian J Microbiol 2024; 64:821-845. [PMID: 39282166 PMCID: PMC11399512 DOI: 10.1007/s12088-024-01285-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 04/15/2024] [Indexed: 09/18/2024] Open
Abstract
Antibiotics are the super drugs that have revolutionized modern medicine by curing many infectious diseases caused by various microbes. They efficiently inhibit the growth and multiplication of the pathogenic microbes without causing adverse effects on the host. However, prescribing suboptimal antibiotic and overuse in agriculture and animal husbandry have led to the emergence of antimicrobial resistance, one of the most serious threats to global health at present. The efficacy of a new antibiotic is high when introduced; however, a small bacterial population attains resistance gradually and eventually survives. Understanding the mode of action of these miracle drugs, as well as their interaction with targets is very complex. However, it is necessary to fulfill the constant need for novel therapeutic alternatives to address the inevitable development of resistance. Therefore, considering the need of the hour, this article has been prepared to discuss the mode of action and recent advancements in the field of antibiotics. Efforts has also been made to highlight the current scenario of antimicrobial resistance and drug repurposing as a fast-track solution to combat the issue.
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Affiliation(s)
- Shyamalima Saikia
- Molecular Plant Taxonomy and Bioinformatics Research Laboratory, Department of Life Sciences, Dibrugarh University, Dibrugarh, Assam 786004 India
| | - Pankaj Chetia
- Department of Life Sciences, Dibrugarh University, Dibrugarh, Assam 786004 India
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4
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Brdová D, Ruml T, Viktorová J. Mechanism of staphylococcal resistance to clinically relevant antibiotics. Drug Resist Updat 2024; 77:101147. [PMID: 39236354 DOI: 10.1016/j.drup.2024.101147] [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: 04/16/2024] [Revised: 08/17/2024] [Accepted: 08/26/2024] [Indexed: 09/07/2024]
Abstract
Staphylococcus aureus, a notorious pathogen with versatile virulence, poses a significant challenge to current antibiotic treatments due to its ability to develop resistance mechanisms against a variety of clinically relevant antibiotics. In this comprehensive review, we carefully dissect the resistance mechanisms employed by S. aureus against various antibiotics commonly used in clinical settings. The article navigates through intricate molecular pathways, elucidating the mechanisms by which S. aureus evades the therapeutic efficacy of antibiotics, such as β-lactams, vancomycin, daptomycin, linezolid, etc. Each antibiotic is scrutinised for its mechanism of action, impact on bacterial physiology, and the corresponding resistance strategies adopted by S. aureus. By synthesising the knowledge surrounding these resistance mechanisms, this review aims to serve as a comprehensive resource that provides a foundation for the development of innovative therapeutic strategies and alternative treatments for S. aureus infections. Understanding the evolving landscape of antibiotic resistance is imperative for devising effective countermeasures in the battle against this formidable pathogen.
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Affiliation(s)
- Daniela Brdová
- Department of Biochemistry and Microbiology, University of Chemistry and Technology, Technicka 3, Prague 16628, Czech Republic.
| | - Tomáš Ruml
- Department of Biochemistry and Microbiology, University of Chemistry and Technology, Technicka 3, Prague 16628, Czech Republic.
| | - Jitka Viktorová
- Department of Biochemistry and Microbiology, University of Chemistry and Technology, Technicka 3, Prague 16628, Czech Republic.
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5
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Luo VC, Peczuh MW. Location, Location, Location: Establishing Design Principles for New Antibacterials from Ferric Siderophore Transport Systems. Molecules 2024; 29:3889. [PMID: 39202968 PMCID: PMC11357680 DOI: 10.3390/molecules29163889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2024] [Revised: 08/09/2024] [Accepted: 08/12/2024] [Indexed: 09/03/2024] Open
Abstract
This review strives to assemble a set of molecular design principles that enables the delivery of antibiotic warheads to Gram-negative bacterial targets (ESKAPE pathogens) using iron-chelating siderophores, known as the Trojan Horse strategy for antibiotic development. Principles are derived along two main lines. First, archetypical siderophores and their conjugates are used as case studies for native iron transport. They enable the consideration of the correspondence of iron transport and antibacterial target location. The second line of study charts the rationale behind the clinical antibiotic cefiderocol. It illustrates the potential versatility for the design of new Trojan Horse-based antibiotics. Themes such as matching the warhead to a location where the siderophore delivers its cargo (i.e., periplasm vs. cytoplasm), whether or not a cleavable linker is required, and the relevance of cheaters to the effectiveness and selectivity of new conjugates will be explored. The effort to articulate rules has identified gaps in the current understanding of iron transport pathways and suggests directions for new investigations.
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Affiliation(s)
| | - Mark W. Peczuh
- Department of Chemistry, University of Connecticut, 55 N. Eagleville Road, U3060, Storrs, CT 06269, USA;
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6
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Li X, Liu Q, Song W. Chemical fixation of CO 2/CS 2 to access iodoallenyl oxazolidinones and allenyl thiazolidine-thiones. Chem Commun (Camb) 2024. [PMID: 39073322 DOI: 10.1039/d4cc02894e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
Constructing heterocyclic compounds by chemical fixation of CO2/CS2 as a C1 building block is a promising approach. An efficient and environmentally friendly synthetic approach has been developed using CO2/CS2 to prepare complicated allenyl heterocycles with high yields and diastereoselectivities in a metal-free manner under mild conditions. NIS promoted CO2 fixation and the cyclization reaction by exclusive 1,4-syn-addition of 1,3-enynes rather than 1,2-addition or 3,4-addition, while CS2 participated in unique 1,4-syn-hydrothiolation of 1,3-enynes to afford allenyl heterocycles with different reaction patterns.
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Affiliation(s)
- Xuejian Li
- Cancer Hospital of Dalian University of Technology, School of Chemistry, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, P. R. China.
| | - Qinglong Liu
- Cancer Hospital of Dalian University of Technology, School of Chemistry, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, P. R. China.
| | - Wangze Song
- Cancer Hospital of Dalian University of Technology, School of Chemistry, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, P. R. China.
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7
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Wu ZL, Zhai YT, Bian GG, Guo LJ, Zhang YX, Wei HY. Conversion of Propargylic Amines with CO 2 Catalyzed by a Highly Stable Copper(I) Iodide Thorium-Based Heterometal-Organic Framework. Inorg Chem 2024; 63:13450-13458. [PMID: 38959430 DOI: 10.1021/acs.inorgchem.4c01453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/05/2024]
Abstract
The conversion of CO2 to generate high-value-added chemicals has become one of the hot research topics in green synthesis. Thereinto, the cyclization reaction of propargylic amines with CO2 is highly attractive because the resultant oxazolidinones are widely found in pharmaceutical chemistry. Cu(I)-based metal-organic frameworks (MOFs) as catalysts exhibit promising application prospects for CO2 conversion. However, their practical application was greatly limited due to Cu(I) being liable to disproportionation or oxidization. Herein, the solid copper(I) iodide thorium-based porous framework {[Cu5I6Th6(μ3-O)4(μ3-OH)4(H2O)10(L)10]·OH·4DMF·H2O}n (1) (HL = 2-methylpyridine-4-carboxylic acid) constructed by [Th6] clusters and [CuxIy] subunits was successfully prepared and structurally characterized. To our knowledge, this is the first copper(I) iodide-based actinide organic framework. Catalytic investigations indicate that 1 can effectively catalyze the cyclization of propargylic amines with CO2 under ambient conditions, which can be reused at least five times without a remarkable decline of catalytic activity. Importantly, 1 exhibits excellent chemical stability and the oxidation state of Cu(I) in it can remain stable under various conditions. This work can provide a valuable strategy for the synthesis of stable Cu(I)-MOF materials.
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Affiliation(s)
- Zhi-Lei Wu
- State Key Laboratory of New Pharmaceutical Preparations and Excipients, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, Key Laboratory of Analytical Science and Technology of Hebei Province, Hebei Research Center of the Basic Discipline of Synthetic Chemistry, College of Chemistry and Materials Science, Hebei University, Baoding 071002, PR China
- Department of Chemistry, Tianjin University, Tianjin 300354, PR China
| | - Yu-Ting Zhai
- State Key Laboratory of New Pharmaceutical Preparations and Excipients, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, Key Laboratory of Analytical Science and Technology of Hebei Province, Hebei Research Center of the Basic Discipline of Synthetic Chemistry, College of Chemistry and Materials Science, Hebei University, Baoding 071002, PR China
- Department of Chemistry, Tianjin University, Tianjin 300354, PR China
| | - Ge Ge Bian
- State Key Laboratory of New Pharmaceutical Preparations and Excipients, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, Key Laboratory of Analytical Science and Technology of Hebei Province, Hebei Research Center of the Basic Discipline of Synthetic Chemistry, College of Chemistry and Materials Science, Hebei University, Baoding 071002, PR China
| | - Ling-Jing Guo
- State Key Laboratory of New Pharmaceutical Preparations and Excipients, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, Key Laboratory of Analytical Science and Technology of Hebei Province, Hebei Research Center of the Basic Discipline of Synthetic Chemistry, College of Chemistry and Materials Science, Hebei University, Baoding 071002, PR China
| | - Ya-Xin Zhang
- State Key Laboratory of New Pharmaceutical Preparations and Excipients, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, Key Laboratory of Analytical Science and Technology of Hebei Province, Hebei Research Center of the Basic Discipline of Synthetic Chemistry, College of Chemistry and Materials Science, Hebei University, Baoding 071002, PR China
- Department of Chemistry, Tianjin University, Tianjin 300354, PR China
| | - Hai-Ying Wei
- State Key Laboratory of New Pharmaceutical Preparations and Excipients, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, Key Laboratory of Analytical Science and Technology of Hebei Province, Hebei Research Center of the Basic Discipline of Synthetic Chemistry, College of Chemistry and Materials Science, Hebei University, Baoding 071002, PR China
- Department of Chemistry, Tianjin University, Tianjin 300354, PR China
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8
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Lee SM, Choi SC, Mun KR, Seo JY, Cho YL, Shim TS, Lim HS. Pharmacokinetic and Pharmacodynamic Modeling Analysis of Delpazolid (LCB01-0371) in Adult Patients with Pulmonary Tuberculosis. J Clin Pharmacol 2024; 64:849-859. [PMID: 38436463 DOI: 10.1002/jcph.2424] [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: 08/21/2023] [Accepted: 01/31/2024] [Indexed: 03/05/2024]
Abstract
Delpazolid (LCB01-0371) is a novel oxazolidinone derivative with a good safety profile for treating gram-positive pathogenic infections such as Mycobacterium abscessus, a highly pathogenic drug-resistant Mycobacterium. In this study, we evaluated the pharmacokinetics (PK) and pharmacodynamics (PD) of delpazolid after 14 days of multiple oral administration, using data from adult patients with pulmonary tuberculosis. 800 mg once a day, 400 mg twice a day, 800 mg twice a day, and 1200 mg once a day delpazolid for 14 days were tested in 63 patients with pulmonary tuberculosis. For PK blood collection, inpatient and outpatient scheduling were separately implemented. Plasma concentrations of delpazolid were measured at visits 2, 4, 6, and 8 in outpatients, and four sparse blood samples were measured in inpatients. PD models were sequentially fitted using individual PK parameter estimates obtained from PK compartmental models. For PK modeling, 180 plasma concentrations of delpazolid from 56 patients were included. A two-compartment mixed first- and zero-order absorption model best described the time course of plasma concentration. For the PD model, 448 bacterial titer data from 60 patients were used. The time course of bacterial titers (log10 CFU/mL) was described by a model that consists of the growth and killing rate of bacteria with the sigmoid Emax model. The PK-PD simulation suggested that the bacterial titers are the lowest on the 800 mg bid regimen among the four, consistent with observed data, as all regimens substantially decrease. In the dose-response relationship, the effectiveness of delpazolid was suggested.
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Affiliation(s)
- Sang Min Lee
- Department of Clinical Pharmacology and Therapeutics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Seung Chan Choi
- Department of Clinical Pharmacology and Therapeutics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Kyung Ran Mun
- Department of Clinical Pharmacology and Therapeutics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Ji Young Seo
- Department of Clinical Pharmacology and Therapeutics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | | | - Tae Sun Shim
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Hyeong-Seok Lim
- Department of Clinical Pharmacology and Therapeutics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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9
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Calcagno A, Coppola N, Sarmati L, Tadolini M, Parrella R, Matteelli A, Riccardi N, Trezzi M, Di Biagio A, Pirriatore V, Russo A, Gualano G, Pontali E, Surace L, Falbo E, Mencarini J, Palmieri F, Gori A, Schiuma M, Lapadula G, Goletti D. Drugs for treating infections caused by non-tubercular mycobacteria: a narrative review from the study group on mycobacteria of the Italian Society of Infectious Diseases and Tropical Medicine. Infection 2024; 52:737-765. [PMID: 38329686 PMCID: PMC11142973 DOI: 10.1007/s15010-024-02183-3] [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: 10/30/2023] [Accepted: 01/12/2024] [Indexed: 02/09/2024]
Abstract
BACKGROUND Non-tuberculous mycobacteria (NTM) are generally free-living organism, widely distributed in the environment, with sporadic potential to infect. In recent years, there has been a significant increase in the global incidence of NTM-related disease, spanning across all continents and an increased mortality after the diagnosis has been reported. The decisions on whether to treat or not and which drugs to use are complex and require a multidisciplinary approach as well as patients' involvement in the decision process. METHODS AND RESULTS This review aims at describing the drugs used for treating NTM-associated diseases emphasizing the efficacy, tolerability, optimization strategies as well as possible drugs that might be used in case of intolerance or resistance. We also reviewed data on newer compounds highlighting the lack of randomised clinical trials for many drugs but also encouraging preliminary data for others. We also focused on non-pharmacological interventions that need to be adopted during care of individuals with NTM-associated diseases CONCLUSIONS: Despite insufficient efficacy and poor tolerability this review emphasizes the improvement in patients' care and the needs for future studies in the field of anti-NTM treatments.
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Affiliation(s)
- A Calcagno
- Unit of Infectious Diseases, Department of Medical Sciences, University of Turin, Turin, Italy.
- Stop TB Italy, Milan, Italy.
| | - N Coppola
- Infectious Diseases Unit, Section of Infectious Diseases, Department of Mental Health and Public Medicine, University of Campania Luigi Vanvitelli, Naples, Italy
| | - L Sarmati
- Department of System Medicine, Tor Vergata University and Infectious Disease Clinic, Policlinico Tor Vergata, Rome, Italy
| | - M Tadolini
- Stop TB Italy, Milan, Italy
- Infectious Diseases Unit, IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
- Department of Medical and Surgical Sciences, Alma Mater Studiorum University of Bologna, Bologna, Italy
| | - R Parrella
- Stop TB Italy, Milan, Italy
- Respiratory Infectious Diseases Unit, Cotugno Hospital, A. O. R. N. dei Colli, Naples, Italy
| | - A Matteelli
- Institute of Infectious and Tropical Diseases, WHO Collaborating Centre for TB Prevention, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
| | - N Riccardi
- Stop TB Italy, Milan, Italy
- Infectious Diseases Unit, Department of Clinical and Experimental Medicine, Azienda Ospedaliero Universitaria Pisana, University of Pisa, Pisa, Italy
| | - M Trezzi
- Stop TB Italy, Milan, Italy
- Infectious and Tropical Diseases Unit, Department of Medical Sciences, Azienda Ospedaliero-Universitaria Senese, Siena, Italy
| | - A Di Biagio
- Infectious Diseases Unit, San Martino Policlinico Hospital-IRCCS for Oncology and Neurosciences, Genoa, Italy
- Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy
| | - V Pirriatore
- Stop TB Italy, Milan, Italy
- Unit of Infectious Diseases, "DivisioneA", Ospedale Amedeo di Savoia, ASL CIttà di Torino, Turin, Italy
| | - A Russo
- Infectious Diseases Unit, Section of Infectious Diseases, Department of Mental Health and Public Medicine, University of Campania Luigi Vanvitelli, Naples, Italy
| | - G Gualano
- Stop TB Italy, Milan, Italy
- Respiratory Infectious Diseases Unit, National Institute for Infectious Diseases Lazzaro Spallanzani-IRCCS, Rome, Italy
| | - E Pontali
- Department of Infectious Diseases, Galliera Hospital, Genoa, Italy
| | - L Surace
- Stop TB Italy, Milan, Italy
- Dipartimento Di Prevenzione, Azienda Sanitaria Provinciale di Catanzaro, Centro di Medicina del Viaggiatore e delle Migrazioni, P. O. Giovanni Paolo II, Lamezia Terme, CZ, Italy
| | - E Falbo
- Stop TB Italy, Milan, Italy
- Dipartimento Di Prevenzione, Azienda Sanitaria Provinciale di Catanzaro, Centro di Medicina del Viaggiatore e delle Migrazioni, P. O. Giovanni Paolo II, Lamezia Terme, CZ, Italy
| | - J Mencarini
- Infectious and Tropical Diseases Unit, Careggi University Hospital, Florence, Italy
| | - F Palmieri
- Respiratory Infectious Diseases Unit, National Institute for Infectious Diseases Lazzaro Spallanzani-IRCCS, Rome, Italy
| | - A Gori
- Dipartimento di Fisiopatologia Medico-Chirurgica e dei Trapianti, ASST Fatebenefratelli Sacco-Ospedale Luigi Sacco-Polo Universitario and Università Degli Studi di Milano, Milano, Italy
| | - M Schiuma
- Dipartimento di Fisiopatologia Medico-Chirurgica e dei Trapianti, ASST Fatebenefratelli Sacco-Ospedale Luigi Sacco-Polo Universitario and Università Degli Studi di Milano, Milano, Italy
| | - G Lapadula
- Infectious Diseases Unit, Fondazione IRCCS San Gerardo dei Tintori, University of Milano-Bicocca, Monza, Italy
| | - D Goletti
- Stop TB Italy, Milan, Italy
- Translational Research Unit, Epidemiology Department, National Institute for Infectious Diseases-IRCCS L. Spallanzani, Rome, Italy
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10
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Zhong X, Lin A, Luo J, Li Y, Chen J, Ning C, Cao F. Clinical research progress of novel antituberculosis drugs on multidrug-resistant tuberculosis. Postgrad Med J 2024; 100:366-372. [PMID: 38200633 DOI: 10.1093/postmj/qgad140] [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: 10/08/2023] [Revised: 12/05/2023] [Accepted: 12/10/2023] [Indexed: 01/12/2024]
Abstract
Multidrug-resistant tuberculosis (MDR-TB) has become a critical challenge to public health, and the prevention and treatment of MDR-TB are of great significance in reducing the global burden of tuberculosis. How to improve the effectiveness and safety of chemotherapy for MDR-TB is a pressing issue that needs to be addressed in tuberculosis control efforts. This article provides a comprehensive review of the clinical application of new antituberculosis drugs in MDR-TB, aiming to provide a scientific basis for the prevention and treatment strategy of MDR-TB.
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Affiliation(s)
- Xinxin Zhong
- Department of Pulmonary and Critical Care Medicine, Red Cross Hospital of Yulin City, Yulin, Guangxi 537000, China
| | - Ao Lin
- Department of Cardiothoracic Surgery, Red Cross Hospital of Yulin City, Yulin, Guangxi 537000, China
| | - Jian Luo
- Department of Pulmonary and Critical Care Medicine, Red Cross Hospital of Yulin City, Yulin, Guangxi 537000, China
| | - Yeqin Li
- Department of Pulmonary and Critical Care Medicine, Red Cross Hospital of Yulin City, Yulin, Guangxi 537000, China
| | - Jinlan Chen
- Department of Pulmonary and Critical Care Medicine, Red Cross Hospital of Yulin City, Yulin, Guangxi 537000, China
| | - Chao Ning
- Department of Pulmonary and Critical Care Medicine, Red Cross Hospital of Yulin City, Yulin, Guangxi 537000, China
| | - Fu Cao
- Department of Pulmonary and Critical Care Medicine, Red Cross Hospital of Yulin City, Yulin, Guangxi 537000, China
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11
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Ralhan K, Iyer KA, Diaz LL, Bird R, Maind A, Zhou QA. Navigating Antibacterial Frontiers: A Panoramic Exploration of Antibacterial Landscapes, Resistance Mechanisms, and Emerging Therapeutic Strategies. ACS Infect Dis 2024; 10:1483-1519. [PMID: 38691668 PMCID: PMC11091902 DOI: 10.1021/acsinfecdis.4c00115] [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: 02/10/2024] [Revised: 04/11/2024] [Accepted: 04/15/2024] [Indexed: 05/03/2024]
Abstract
The development of effective antibacterial solutions has become paramount in maintaining global health in this era of increasing bacterial threats and rampant antibiotic resistance. Traditional antibiotics have played a significant role in combating bacterial infections throughout history. However, the emergence of novel resistant strains necessitates constant innovation in antibacterial research. We have analyzed the data on antibacterials from the CAS Content Collection, the largest human-curated collection of published scientific knowledge, which has proven valuable for quantitative analysis of global scientific knowledge. Our analysis focuses on mining the CAS Content Collection data for recent publications (since 2012). This article aims to explore the intricate landscape of antibacterial research while reviewing the advancement from traditional antibiotics to novel and emerging antibacterial strategies. By delving into the resistance mechanisms, this paper highlights the need to find alternate strategies to address the growing concern.
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Affiliation(s)
| | | | - Leilani Lotti Diaz
- CAS,
A Division of the American Chemical Society, Columbus, Ohio 43210, United States
| | - Robert Bird
- CAS,
A Division of the American Chemical Society, Columbus, Ohio 43210, United States
| | - Ankush Maind
- ACS
International India Pvt. Ltd., Pune 411044, India
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12
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Indu GK, Habibullah S, Kumar Shaw T, Mohanty B. Effect of mango butter on the physicochemical properties of beeswax-Moringa seed oil-based oleogels for topical application. Drug Dev Ind Pharm 2024; 50:432-445. [PMID: 38526993 DOI: 10.1080/03639045.2024.2334314] [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: 09/19/2023] [Accepted: 03/19/2024] [Indexed: 03/27/2024]
Abstract
OBJECTIVE The purpose of this research was to determine any connections between the characteristics of oleogels made of beeswax and the impact of mango butter. METHODS Oleogel was prepared through inverted tube methods, and optimized through oil binding capacity. Other evaluations like bright field and polarized microscopy, Fourier-transform infrared (FTIR) spectroscopy, crystallization kinetics, mechanical study, and X-ray diffractometry (XRD). The drug release kinetic studies and in vitro antibacterial studies were performed. RESULTS FTIR study reveals that the gelation process does not significantly alter the chemical composition of the individual components. Prepared gel exhibiting fluid-like behavior or composed of brittle networks is particularly vulnerable to disruptions in their network design. The incorporation of mango butter increases the drug permeation. In-vitro microbial efficacy study was found to be excellent. CONCLUSION The studies revealed that mango butter can be used to modify the physico-chemical properties of the oleogels.
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Affiliation(s)
- Gourav Kumar Indu
- Department of Pharmaceutical Technology, JIS University, Agarpara, Kolkata, India
| | - Sk Habibullah
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (deemed to be) University, Odisha, India
| | - Tapan Kumar Shaw
- Department of Pharmaceutical Technology, JIS University, Agarpara, Kolkata, India
| | - Biswaranjan Mohanty
- Department of Pharmaceutics, Institute of Pharmacy and Technology, Salipur, Cuttack, India
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13
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Dezhakam E, Tavakkol M, Kafili T, Nozohouri E, Naseri A, Khalilzadeh B, Rahbarghazi R. Electrochemical and optical (bio)sensors for analysis of antibiotic residuals. Food Chem 2024; 439:138145. [PMID: 38091787 DOI: 10.1016/j.foodchem.2023.138145] [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: 06/13/2023] [Revised: 10/31/2023] [Accepted: 12/03/2023] [Indexed: 01/10/2024]
Abstract
Antibiotic residuals in foods may lead to crucial health and safety issues in the human body. Rapid and in-time analysis of antibiotics using simple and sensitive techniques is in high demand. Among the most commonly applicable modalities, chromatography-based techniques like HPLC and LC-MS, along with immunological approaches, particularly ELISA have been exampled in the analysis of antibiotics. Despite being highly sensitive, these methods are considerably time-consuming, thus the presence of skilled personnel and costly equipment is essential. Nanomaterial-based (bio)sensors, however, are de novo analytical equipment with some beneficial characteristics, such as simplicity, low price, on-site, high accuracy, and sensitivity for the detection of analytes. This review aimed to collect the latest developments in NM-based sensors and biosensors for the observation of highly used antibiotics like Vancomycin (Van), Linezolid (Lin), and Clindamycin (Clin). The current challenges and developmental perspectives are also debated in detail for future research directions.
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Affiliation(s)
- Ehsan Dezhakam
- Pharmaceutical Analysis Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Mohammad Tavakkol
- School of Chemistry, University College of Science, University of Tehran, Tehran, Iran
| | - Taha Kafili
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Ehsan Nozohouri
- Department of Pharmaceutical Sciences, Jerry H. Hodge School of Pharmacy, Texas Tech University Health Sciences Center (TTUHSC), Amarillo, TX, USA
| | - Abdolhosein Naseri
- Department of Analytical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran.
| | - Balal Khalilzadeh
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Reza Rahbarghazi
- Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
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14
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Ampomah-Wireko M, Chen S, Li R, Gao C, Wang M, Qu Y, Kong H, Nininahazwe L, Zhang E. Recent advances in the exploration of oxazolidinone scaffolds from compound development to antibacterial agents and other bioactivities. Eur J Med Chem 2024; 269:116326. [PMID: 38513340 DOI: 10.1016/j.ejmech.2024.116326] [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: 01/11/2024] [Revised: 02/26/2024] [Accepted: 03/10/2024] [Indexed: 03/23/2024]
Abstract
Bacterial infections cause a variety of life-threatening diseases, and the continuous evolution of drug-resistant bacteria poses an increasing threat to current antimicrobial regimens. Gram-positive bacteria (GPB) have a wide range of genetic capabilities that allow them to adapt to and develop resistance to practically all existing antibiotics. Oxazolidinones, a class of potent bacterial protein synthesis inhibitors with a unique mechanism of action involving inhibition of bacterial ribosomal translation, has emerged as the antibiotics of choice for the treatment of drug-resistant GPB infections. In this review, we discussed the oxazolidinone antibiotics that are currently on the market and in clinical development, as well as an updated synopsis of current advances on their analogues, with an emphasis on innovative strategies for structural optimization of linezolid, structure-activity relationship (SAR), and safety properties. We also discussed recent efforts aimed at extending the activity of oxazolidinones to gram-negative bacteria (GNB), antitumor, and coagulation factor Xa. Oxazolidinone antibiotics can accumulate in GNB by a conjugation to siderophore-mediated β-lactamase-triggered release, making them effective against GNB.
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Affiliation(s)
- Maxwell Ampomah-Wireko
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, Zhengzhou University, Zhengzhou 450001, PR China
| | - Shengcong Chen
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, Zhengzhou University, Zhengzhou 450001, PR China
| | - Ruirui Li
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, Zhengzhou University, Zhengzhou 450001, PR China
| | - Chen Gao
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, Zhengzhou University, Zhengzhou 450001, PR China
| | - Meng Wang
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, Zhengzhou University, Zhengzhou 450001, PR China
| | - Ye Qu
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, Zhengzhou University, Zhengzhou 450001, PR China
| | - Hongtao Kong
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, Zhengzhou University, Zhengzhou 450001, PR China
| | - Lauraine Nininahazwe
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, Zhengzhou University, Zhengzhou 450001, PR China
| | - En Zhang
- School of Pharmaceutical Sciences, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, Zhengzhou University, Zhengzhou 450001, PR China; Pingyuan Laboratory (Zhengzhou University), PR China.
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15
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Hibbert T, Krpetic Z, Latimer J, Leighton H, McHugh R, Pottenger S, Wragg C, James CE. Antimicrobials: An update on new strategies to diversify treatment for bacterial infections. Adv Microb Physiol 2024; 84:135-241. [PMID: 38821632 DOI: 10.1016/bs.ampbs.2023.12.002] [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: 06/02/2024]
Abstract
Ninety-five years after Fleming's discovery of penicillin, a bounty of antibiotic compounds have been discovered, modified, or synthesised. Diversification of target sites, improved stability and altered activity spectra have enabled continued antibiotic efficacy, but overwhelming reliance and misuse has fuelled the global spread of antimicrobial resistance (AMR). An estimated 1.27 million deaths were attributable to antibiotic resistant bacteria in 2019, representing a major threat to modern medicine. Although antibiotics remain at the heart of strategies for treatment and control of bacterial diseases, the threat of AMR has reached catastrophic proportions urgently calling for fresh innovation. The last decade has been peppered with ground-breaking developments in genome sequencing, high throughput screening technologies and machine learning. These advances have opened new doors for bioprospecting for novel antimicrobials. They have also enabled more thorough exploration of complex and polymicrobial infections and interactions with the healthy microbiome. Using models of infection that more closely resemble the infection state in vivo, we are now beginning to measure the impacts of antimicrobial therapy on host/microbiota/pathogen interactions. However new approaches are needed for developing and standardising appropriate methods to measure efficacy of novel antimicrobial combinations in these contexts. A battery of promising new antimicrobials is now in various stages of development including co-administered inhibitors, phages, nanoparticles, immunotherapy, anti-biofilm and anti-virulence agents. These novel therapeutics need multidisciplinary collaboration and new ways of thinking to bring them into large scale clinical use.
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Affiliation(s)
- Tegan Hibbert
- Department of Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences (IVES), University of Liverpool, Liverpool, UK
| | - Zeljka Krpetic
- School of Science, Engineering, and Environment, University of Salford, Salford, UK
| | - Joe Latimer
- School of Science, Engineering, and Environment, University of Salford, Salford, UK
| | - Hollie Leighton
- Department of Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences (IVES), University of Liverpool, Liverpool, UK
| | - Rebecca McHugh
- School of Infection and Immunity, University of Glasgow, Glasgow, UK
| | - Sian Pottenger
- Department of Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences (IVES), University of Liverpool, Liverpool, UK
| | - Charlotte Wragg
- Department of Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences (IVES), University of Liverpool, Liverpool, UK
| | - Chloë E James
- School of Science, Engineering, and Environment, University of Salford, Salford, UK.
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16
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Wu Y, Huang L, Ma X, Zhou X, Li Q, Li F. Design, synthesis, and antiproliferative evaluation of novel dehydroabietic acid-1,2,3-triazole-oxazolidinone hybrids. RSC Med Chem 2024; 15:561-571. [PMID: 38389893 PMCID: PMC10880940 DOI: 10.1039/d3md00550j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 11/28/2023] [Indexed: 02/24/2024] Open
Abstract
A series of novel dehydroabietic acid derivatives containing both 1,2,3-triazole and oxazolidinone 4a-4t have been synthesized and their antiproliferative activity in vitro against HeLa, HepG2, MGC-803 and T-24 cell lines evaluated. Most of them displayed cell proliferation inhibition on four tested human malignant tumour cell lines to some degree. Among them, compound 4p exhibited promising cytotoxicity with IC50 values ranging from 3.18 to 25.31 μM and weak cytotoxicity toward normal cells. The mechanism of action of 4p was then studied using flow cytometry, Hoechst 33258 staining, ROS generation assay, and JC-1 mitochondrial membrane potential staining, which illustrated that compound 4p induced apoptosis, arrested mitotic process at the G1 phase of the cell cycle, reduced the mitochondrial membrane potential, and increased intracellular ROS levels. In summary, the introduction of an oxazolidinone group via a "1,2,3-triazole" linker significantly improved the antitumor activity of dehydroabietic acid, and deserves to be further investigated.
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Affiliation(s)
- Yaju Wu
- Guangxi Key Laboratory of Drug Discovery and Optimization, Guangxi Engineering Research Center for Pharmaceutical Molecular Screening and Druggability Evaluation, School of Pharmacy, Guilin Medical University Guilin 541199 PR China +86 773 229 5179
| | - Lin Huang
- Guangxi Key Laboratory of Drug Discovery and Optimization, Guangxi Engineering Research Center for Pharmaceutical Molecular Screening and Druggability Evaluation, School of Pharmacy, Guilin Medical University Guilin 541199 PR China +86 773 229 5179
| | - Xianli Ma
- Guangxi Key Laboratory of Drug Discovery and Optimization, Guangxi Engineering Research Center for Pharmaceutical Molecular Screening and Druggability Evaluation, School of Pharmacy, Guilin Medical University Guilin 541199 PR China +86 773 229 5179
| | - Xiaoqun Zhou
- Guangxi Key Laboratory of Drug Discovery and Optimization, Guangxi Engineering Research Center for Pharmaceutical Molecular Screening and Druggability Evaluation, School of Pharmacy, Guilin Medical University Guilin 541199 PR China +86 773 229 5179
| | - Qian Li
- Guangxi Key Laboratory of Drug Discovery and Optimization, Guangxi Engineering Research Center for Pharmaceutical Molecular Screening and Druggability Evaluation, School of Pharmacy, Guilin Medical University Guilin 541199 PR China +86 773 229 5179
| | - Fangyao Li
- Guangxi Key Laboratory of Drug Discovery and Optimization, Guangxi Engineering Research Center for Pharmaceutical Molecular Screening and Druggability Evaluation, School of Pharmacy, Guilin Medical University Guilin 541199 PR China +86 773 229 5179
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17
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Halawa EM, Fadel M, Al-Rabia MW, Behairy A, Nouh NA, Abdo M, Olga R, Fericean L, Atwa AM, El-Nablaway M, Abdeen A. Antibiotic action and resistance: updated review of mechanisms, spread, influencing factors, and alternative approaches for combating resistance. Front Pharmacol 2024; 14:1305294. [PMID: 38283841 PMCID: PMC10820715 DOI: 10.3389/fphar.2023.1305294] [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: 10/01/2023] [Accepted: 12/18/2023] [Indexed: 01/30/2024] Open
Abstract
Antibiotics represent a frequently employed therapeutic modality for the management of bacterial infections across diverse domains, including human health, agriculture, livestock breeding, and fish farming. The efficacy of antibiotics relies on four distinct mechanisms of action, which are discussed in detail in this review, along with accompanying diagrammatic illustrations. Despite their effectiveness, antibiotic resistance has emerged as a significant challenge to treating bacterial infections. Bacteria have developed defense mechanisms against antibiotics, rendering them ineffective. This review delves into the specific mechanisms that bacteria have developed to resist antibiotics, with the help of diagrammatic illustrations. Antibiotic resistance can spread among bacteria through various routes, resulting in previously susceptible bacteria becoming antibiotic-resistant. Multiple factors contribute to the worsening crisis of antibiotic resistance, including human misuse of antibiotics. This review also emphasizes alternative solutions proposed to mitigate the exacerbation of antibiotic resistance.
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Affiliation(s)
- Esraa M. Halawa
- Department of Botany and Microbiology, Faculty of Science, Cairo University, Giza, Egypt
| | - Mohamed Fadel
- Department of Microbial Chemistry, Biotechnology Research Institute, National Research Centre, Dokki, Cairo, Egypt
| | - Mohammed W. Al-Rabia
- Department of Clinical Microbiology and Immunology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Clinical Laboratories-Diagnostic Immunology Division, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Ali Behairy
- Department of Pharmacology, Faculty of Medicine, Benha University, Benha, Egypt
| | - Nehal A. Nouh
- Department of Microbiology, Medicine Program, Batterjee Medical College, Jeddah, Saudi Arabia
- Inpatient Pharmacy, Mansoura University Hospitals, Mansoura, Egypt
| | - Mohamed Abdo
- Department of Animal Histology and Anatomy, School of Veterinary Medicine, Badr University in Cairo (BUC), Badr City, Egypt
- Department of Anatomy and Embryology, Faculty of Veterinary Medicine, University of Sadat City, Sadat City, Egypt
| | - Rada Olga
- Department of Biology and Plant Protection, Faculty of Agriculture, University of Life Sciences “King Michael I” from Timișoara, Timișoara, Romania
| | - Liana Fericean
- Department of Biology and Plant Protection, Faculty of Agriculture, University of Life Sciences “King Michael I” from Timișoara, Timișoara, Romania
| | - Ahmed M. Atwa
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Egyptian Russian University, Cairo, Egypt
| | - Mohammad El-Nablaway
- Department of Medical Biochemistry, Faculty of Medicine, Mansoura University, Mansoura, Egypt
- Department of Basic Medical Sciences, College of Medicine, AlMaarefa University, Riyadh, Saudi Arabia
| | - Ahmed Abdeen
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Benha University, Toukh, Egypt
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18
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Yıldırım A, Atmaca U, Şahin E, Taslimi P, Taskin-Tok T, Çelik M, Gülçin İ. The synthesis, carbonic anhydrase and acetylcholinesterase inhibition effects of sulfonyl chloride moiety containing oxazolidinones using an intramolecular aza-Michael addition. J Biomol Struct Dyn 2023:1-16. [PMID: 38100567 DOI: 10.1080/07391102.2023.2291163] [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: 09/01/2023] [Accepted: 10/26/2023] [Indexed: 12/17/2023]
Abstract
Oxazolidinones are used as various potent antibiotics, in organisms it acts as a protein synthesis inhibitor, focusing on an initial stage that encompasses the tRNA binding process. Novel intramolecular aza-Michael reactions devoid of metal catalysts have been introduced in an oxazolidone synthesis pathway, different from α,β-unsaturated ketones. Oxazolidinone derivatives were tested against acetylcholinesterase (AChE), carbonic anhydrase I and II (hCA I and hCA II) enzymes. All the synthesized compounds had potent inhibition effects with Ki values in the range of 13.57 ± 0.98 - 53.60 ± 6.81 µM against hCA I and 9.96 ± 1.02 - 46.35 ± 3.83 µM against hCA II in comparison to the acetazolamide (AZA) (Ki = 50.46 ± 6.17 µM for hCA I) and for hCA II (Ki = 41.31 ± 5.05 µM). Also, most of the compounds demonstrated potent inhibition ability towards AChE enzyme with Ki values 78.67-231.75 nM and compared to tacrine (TAC) as standard clinical inhibitor (Ki = 142.48 nM). Furthermore, ADMET analysis and molecular docking were calculated using the AChE, hCA I and hCA II enzyme proteins to correlate the data with the experimental data. In this work, recent applications of a stereoselective aza-Michael reaction as an efficient tool for of nitrogen-containing heterocyclic scaffolds and their useful to pharmacology analogs are reviewed and summarized.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Alper Yıldırım
- Department of Chemistry, Faculty of Sciences, Atatürk University, Erzurum, Turkey
| | - Ufuk Atmaca
- Department of Chemistry, Faculty of Sciences, Atatürk University, Erzurum, Turkey
| | - Ertan Şahin
- Department of Chemistry, Faculty of Sciences, Atatürk University, Erzurum, Turkey
| | - Parham Taslimi
- Department of Biotechnology, Faculty of Sciences, Bartin University, Bartin, Turkey
| | - Tugba Taskin-Tok
- Faculty of Arts and Sciences, Department of Chemistry, Gaziantep University, Gaziantep, Turkey
- Department of Bioinformatics and Computational Biology, Institute of Health Sciences, Gaziantep University, Gaziantep, Turkey
| | - Murat Çelik
- Department of Chemistry, Faculty of Sciences, Atatürk University, Erzurum, Turkey
| | - İlhami Gülçin
- Department of Chemistry, Faculty of Sciences, Atatürk University, Erzurum, Turkey
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19
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Mirza-Aghayan M, Alizadeh M, Boukherroub R. Copper iodide nanoparticles supported on modified graphene-based nanocomposite catalyzed CO 2 conversion into oxazolidinone derivatives. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:119151-119167. [PMID: 37919493 DOI: 10.1007/s11356-023-30590-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 10/17/2023] [Indexed: 11/04/2023]
Abstract
We report on the preparation of copper iodide nanoparticles (NPs) immobilized on vitamin B3-modified graphene (CuI/GO-VB) nanocomposite and its application for the synthesis of oxazolidinone compounds using a remarkable carboxylative cyclization method via the reaction of arylacetylene, aldehyde and benzylamine derivatives under an atmospheric pressure of CO2 gas. The CuI/GO-VB catalyst was prepared from graphene oxide (GO), vitamin B3 (VB) and CuI using a two-step procedure; firstly graphene-based composite (GO-VB) was synthesized by the reaction of GO and nicotinoyl chloride, followed by the immobilization of CuI NPs on GO-VB. The CuI/GO-VB nanocomposite was fully identified with X-ray diffraction (XRD), Fourier-transform infrared (FT-IR) spectroscopy, field emission scanning electron microscopy (FESEM), energy dispersive spectroscopy (EDS), inductively coupled plasma optical emission spectroscopy (ICP-OES), transmission electron microscopy (TEM), thermogravimetric analysis (TGA), and X-ray photoelectron spectroscopy (XPS). The catalytic performance of the CuI/GO-VB heterogeneous catalyst was investigated in carboxylative cyclization for the synthesis of oxazolidinone compounds under an atmospheric pressure of CO2 gas at 100οC in solvent-, base-, and additive-free conditions; the corresponding oxazolidinone compounds were obtained in 79-94% yield. The hot filtration results indicated that CuI/GO-VB nanocomposite was a heterogeneous catalyst and showed a good reusability for 5 runs without a significant decrease in its catalytic performance.
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Affiliation(s)
- Maryam Mirza-Aghayan
- Chemistry and Chemical Engineering Research Center of Iran (CCERCI), P. O. BOX, Tehran, 14335-186, Iran.
| | - Mahdi Alizadeh
- Chemistry and Chemical Engineering Research Center of Iran (CCERCI), P. O. BOX, Tehran, 14335-186, Iran
| | - Rabah Boukherroub
- Univ. Lille, CNRS, Univ. Polytechnique Hauts-de-France, UMR 8520-IEMN, 59000, Lille, France
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Lee JM, Kim LH, Kim SY, Jhun BW, Lee W, Shin SJ. Intracellular and in vivo activities of oxazolidinone drugs against Mycobacterium avium complex infection. Sci Rep 2023; 13:20631. [PMID: 37996500 PMCID: PMC10667338 DOI: 10.1038/s41598-023-48001-y] [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: 07/11/2023] [Accepted: 11/21/2023] [Indexed: 11/25/2023] Open
Abstract
The prevalence of Mycobacterium avium complex-pulmonary disease (MAC-PD) has become a growing concern worldwide, and current treatments involving macrolides (clarithromycin [CLR] or azithromycin), ethambutol, and rifampicin have limited success, highlighting the need for better therapeutic strategies. Recently, oxazolidinone drugs have been identified as novel anti-tuberculosis drugs effective against drug-resistant M. tuberculosis. However, the effects of these drugs against MAC are still controversial due to limited data. Here, we first evaluated the intracellular anti-MAC activities of two oxazolidinone drugs, linezolid (LZD) and delpazolid (DZD), against 10 macrolide-susceptible MAC strains and one macrolide-resistant M. avium strain in murine bone marrow-derived macrophages (BMDMs) and found that both drugs demonstrated similar potential. The synergistic efficacies with CLR were then determined in a chronic progressive MAC-PD murine model by initiating a 4-week treatment at 8 weeks post-infection. Upon assessment of bacterial burdens and inflamed lesions, oxazolidinone drugs exhibited no anti-MAC effect, and there was no significant difference in the synergistic effect of CLR between LZD and DZD. These findings suggest that oxazolidinone drugs inhibit intracellular bacterial growth, even against macrolide-resistant MAC, but their clinical application requires further consideration.
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Affiliation(s)
- Ju Mi Lee
- Department of Microbiology, Institute for Immunology and Immunological Disease, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, South Korea
| | - Lee-Han Kim
- Department of Microbiology, Institute for Immunology and Immunological Disease, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, South Korea
| | - Su-Young Kim
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Byung Woo Jhun
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Wonsik Lee
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea
| | - Sung Jae Shin
- Department of Microbiology, Institute for Immunology and Immunological Disease, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, South Korea.
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Nie X, Ritter CW, Hemming M, Ivlev SI, Xie X, Chen S, Meggers E. Nitrene-Mediated Enantioselective Intramolecular Olefin Oxyamination to Access Chiral γ-Aminomethyl-γ-Lactones. Angew Chem Int Ed Engl 2023:e202314398. [PMID: 37920926 DOI: 10.1002/anie.202314398] [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: 09/26/2023] [Revised: 11/01/2023] [Accepted: 11/02/2023] [Indexed: 11/04/2023]
Abstract
Attaching a nitrene precursor to an intramolecular nucleophile allows for a catalytic asymmetric intramolecular oxyamination of alkenes in which the nucleophile adds in an endocyclic position and the amine in an exocyclic fashion. Using chiral-at-ruthenium catalysts, chiral γ-aminomethyl-γ-lactones containing a quaternary carbon in γ-position are provided in high yields (up to 99 %) and with excellent enantioselectivities (up to 99 % ee). DFT calculations support the possibility of both a singlet (concerted oxyamination of the alkene) and triplet pathway (stepwise oxyamination) for the formation of the predominant stereoisomer. γ-Aminomethyl-γ-lactones are versatile chiral building blocks and can be converted to other heterocycles such as δ-lactams, 2-oxazolidinones, and tetrahydrofurans.
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Affiliation(s)
- Xin Nie
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße, 35043, Marburg, Germany
| | - Clayton W Ritter
- College of Arts & Sciences, Oberlin College Science Center N381, 119 Woodland St., Oberlin, OH-44074, USA
| | - Marcel Hemming
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße, 35043, Marburg, Germany
| | - Sergei I Ivlev
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße, 35043, Marburg, Germany
| | - Xiulan Xie
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße, 35043, Marburg, Germany
| | - Shuming Chen
- College of Arts & Sciences, Oberlin College Science Center N381, 119 Woodland St., Oberlin, OH-44074, USA
| | - Eric Meggers
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße, 35043, Marburg, Germany
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Rusu A, Moga IM, Uncu L, Hancu G. The Role of Five-Membered Heterocycles in the Molecular Structure of Antibacterial Drugs Used in Therapy. Pharmaceutics 2023; 15:2554. [PMID: 38004534 PMCID: PMC10675556 DOI: 10.3390/pharmaceutics15112554] [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: 09/17/2023] [Revised: 10/24/2023] [Accepted: 10/26/2023] [Indexed: 11/26/2023] Open
Abstract
Five-membered heterocycles are essential structural components in various antibacterial drugs; the physicochemical properties of a five-membered heterocycle can play a crucial role in determining the biological activity of an antibacterial drug. These properties can affect the drug's activity spectrum, potency, and pharmacokinetic and toxicological properties. Using scientific databases, we identified and discussed the antibacterials used in therapy, containing five-membered heterocycles in their molecular structure. The identified five-membered heterocycles used in antibacterial design contain one to four heteroatoms (nitrogen, oxygen, and sulfur). Antibacterials containing five-membered heterocycles were discussed, highlighting the biological properties imprinted by the targeted heterocycle. In some antibacterials, heterocycles with five atoms are pharmacophores responsible for their specific antibacterial activity. As pharmacophores, these heterocycles help design new medicinal molecules, improving their potency and selectivity and comprehending the structure-activity relationship of antibiotics. Unfortunately, particular heterocycles can also affect the drug's potential toxicity. The review extensively presents the most successful five-atom heterocycles used to design antibacterial essential medicines. Understanding and optimizing the intrinsic characteristics of a five-membered heterocycle can help the development of antibacterial drugs with improved activity, pharmacokinetic profile, and safety.
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Affiliation(s)
- Aura Rusu
- Pharmaceutical and Therapeutic Chemistry Department, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540142 Targu Mures, Romania; (I.-M.M.); (G.H.)
| | - Ioana-Maria Moga
- Pharmaceutical and Therapeutic Chemistry Department, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540142 Targu Mures, Romania; (I.-M.M.); (G.H.)
| | - Livia Uncu
- Scientific Center for Drug Research, “Nicolae Testemitanu” State University of Medicine and Pharmacy, 8 Bd. Stefan Cel Mare si Sfant 165, MD-2004 Chisinau, Moldova;
| | - Gabriel Hancu
- Pharmaceutical and Therapeutic Chemistry Department, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540142 Targu Mures, Romania; (I.-M.M.); (G.H.)
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23
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Carcione D, Intra J, Andriani L, Campanile F, Gona F, Carletti S, Mancini N, Brigante G, Cattaneo D, Baldelli S, Chisari M, Piccirilli A, Di Bella S, Principe L. New Antimicrobials for Gram-Positive Sustained Infections: A Comprehensive Guide for Clinicians. Pharmaceuticals (Basel) 2023; 16:1304. [PMID: 37765112 PMCID: PMC10536666 DOI: 10.3390/ph16091304] [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: 08/08/2023] [Revised: 08/30/2023] [Accepted: 09/11/2023] [Indexed: 09/29/2023] Open
Abstract
Antibiotic resistance is a public health problem with increasingly alarming data being reported. Gram-positive bacteria are among the protagonists of severe nosocomial and community infections. The objective of this review is to conduct an extensive examination of emerging treatments for Gram-positive infections including ceftobiprole, ceftaroline, dalbavancin, oritavancin, omadacycline, tedizolid, and delafloxacin. From a methodological standpoint, a comprehensive analysis on clinical trials, molecular structure, mechanism of action, microbiological targeting, clinical use, pharmacokinetic/pharmacodynamic features, and potential for therapeutic drug monitoring will be addressed. Each antibiotic paragraph is divided into specialized microbiological, clinical, and pharmacological sections, including detailed and appropriate tables. A better understanding of the latest promising advances in the field of therapeutic options could lead to the development of a better approach in managing antimicrobial therapy for multidrug-resistant Gram-positive pathogens, which increasingly needs to be better stratified and targeted.
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Affiliation(s)
- Davide Carcione
- Laboratory of Medicine and Microbiology, Busto Arsizio Hospital—ASST Valle Olona, 21052 Busto Arsizio, VA, Italy; (D.C.); (G.B.)
| | - Jari Intra
- Clinical Chemistry Laboratory, Fondazione IRCCS San Gerardo Dei Tintori, 20900 Monza, MB, Italy;
| | - Lilia Andriani
- Clinical Pathology and Microbiology Unit, Hospital of Sondrio, 23100 Sondrio, Italy;
| | - Floriana Campanile
- Department of Biomedical and Biotechnological Sciences, Section of Microbiology, University of Catania, 95123 Catania, Italy;
| | - Floriana Gona
- Laboratory of Microbiology and Virology, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; (F.G.); (S.C.)
| | - Silvia Carletti
- Laboratory of Microbiology and Virology, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; (F.G.); (S.C.)
| | - Nicasio Mancini
- Laboratory of Medical Microbiology and Virology, Department of Medicine and Technological Innovation, University of Insubria, 21100 Varese, Italy;
- Laboratory of Medical Microbiology and Virology, Fondazione Macchi University Hospital, 21100 Varese, Italy
| | - Gioconda Brigante
- Laboratory of Medicine and Microbiology, Busto Arsizio Hospital—ASST Valle Olona, 21052 Busto Arsizio, VA, Italy; (D.C.); (G.B.)
| | - Dario Cattaneo
- Department of Infectious Diseases ASST Fatebenefratelli Sacco, 20157 Milan, Italy;
| | - Sara Baldelli
- Pharmacology Laboratory, Clinical Chemistry Laboratory, Diagnostic Department, ASST Spedali Civili, 25123 Brescia, Italy;
| | - Mattia Chisari
- Microbiology and Virology Unit, Great Metropolitan Hospital “Bianchi-Melacrino-Morelli”, 89100 Reggio Calabria, Italy;
| | - Alessandra Piccirilli
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy;
| | - Stefano Di Bella
- Clinical Department of Medical, Surgical, and Health Sciences, Trieste University, 34129 Trieste, Italy;
| | - Luigi Principe
- Microbiology and Virology Unit, Great Metropolitan Hospital “Bianchi-Melacrino-Morelli”, 89100 Reggio Calabria, Italy;
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24
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Xia X. Horizontal Gene Transfer and Drug Resistance Involving Mycobacterium tuberculosis. Antibiotics (Basel) 2023; 12:1367. [PMID: 37760664 PMCID: PMC10526031 DOI: 10.3390/antibiotics12091367] [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: 07/14/2023] [Revised: 08/13/2023] [Accepted: 08/21/2023] [Indexed: 09/29/2023] Open
Abstract
Mycobacterium tuberculosis (Mtb) acquires drug resistance at a rate comparable to that of bacterial pathogens that replicate much faster and have a higher mutation rate. One explanation for this rapid acquisition of drug resistance in Mtb is that drug resistance may evolve in other fast-replicating mycobacteria and then be transferred to Mtb through horizontal gene transfer (HGT). This paper aims to address three questions. First, does HGT occur between Mtb and other mycobacterial species? Second, what genes after HGT tend to survive in the recipient genome? Third, does HGT contribute to antibiotic resistance in Mtb? I present a conceptual framework for detecting HGT and analyze 39 ribosomal protein genes, 23S and 16S ribosomal RNA genes, as well as several genes targeted by antibiotics against Mtb, from 43 genomes representing all major groups within Mycobacterium. I also included mgtC and the insertion sequence IS6110 that were previously reported to be involved in HGT. The insertion sequence IS6110 shows clearly that the Mtb complex participates in HGT. However, the horizontal transferability of genes depends on gene function, as was previously hypothesized. HGT is not observed in functionally important genes such as ribosomal protein genes, rRNA genes, and other genes chosen as drug targets. This pattern can be explained by differential selection against functionally important and unimportant genes after HGT. Functionally unimportant genes such as IS6110 are not strongly selected against, so HGT events involving such genes are visible. For functionally important genes, a horizontally transferred diverged homologue from a different species may not work as well as the native counterpart, so the HGT event involving such genes is strongly selected against and eliminated, rendering them invisible to us. In short, while HGT involving the Mtb complex occurs, antibiotic resistance in the Mtb complex arose from mutations in those drug-targeted genes within the Mtb complex and was not gained through HGT.
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Affiliation(s)
- Xuhua Xia
- Department of Biology, University of Ottawa, Ottawa, ON K1N 9A7, Canada; ; Tel.: +1-613-562-5718
- Ottawa Institute of Systems Biology, University of Ottawa, Ottawa, ON K1H 8M5, Canada
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25
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El-Kimary EI, Allam AN, Khafagy ES, Hegazy WAH. Analytical Methodologies for the Estimation of Oxazolidinone Antibiotics as Key Members of anti-MRSA Arsenal: A Decade in Review. Crit Rev Anal Chem 2023:1-30. [PMID: 37378883 DOI: 10.1080/10408347.2023.2228902] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
Gram-positive bacterial infections are among the most serious diseases related with high mortality rates and huge healthcare costs especially with the rise of antibiotic-resistant strains that limits treatment options. Thus, development of new antibiotics combating these multi-drug resistant bacteria is crucial. Oxazolidinone antibiotics are the only totally synthetic group of antibiotics that showed activity against multi-drug resistant Gram positive bacteria including MRSA because of their unique mechanism of action in targeting protein synthesis. This group include approved marketed members (tedizolid, linezolid and contezolid) or those under development (delpazlolid, radezolid and sutezolid). Due to the significant impact of this class, larger number of analytical methods were required to meet the needs of both clinical and industrial studies. Analyzing these drugs either alone or with other antimicrobial agents commonly used in ICU, in the presence of pharmaceutical or endogenous biological interferences, or in the presence of matrix impurities as metabolites and degradation products poses a big analytical challenge. This review highlights current analytical approaches published in the last decade (2012-2022) that dealt with the determination of these drugs in different matrices and discusses their advantages and disadvantages. Various techniques have been described for their determination including chromatographic, spectroscopic, capillary electrophoretic and electroanalytical methods. The review comprises six sections (one for each drug) with their related tables that depict critical figures of merit and some experimental conditions for the reviewed methods. Furthermore, future perspectives about the analytical methodologies that can be developed in the near future for determination of these drugs are suggested.
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Affiliation(s)
- Eman I El-Kimary
- Faculty of Pharmacy, Department of Pharmaceutical Analytical Chemistry, Alexandria University, Alexandria, Egypt
- Pharmacy Program, Department of Pharmaceutical Sciences (Chemistry), Oman College of Health Sciences, Muscat, Oman
| | - Ahmed N Allam
- Faculty of Pharmacy, Department of Pharmaceutics, Alexandria University, Alexandria, Egypt
- Pharmacy Program, Department of Pharmaceutics, Oman College of Health Sciences, Muscat, Oman
| | - El-Sayed Khafagy
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-kharj, Saudi Arabia
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt
| | - Wael A H Hegazy
- Department of Microbiology and Immunology, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt
- Pharmacy Program, Department of Pharmaceutical Sciences (Microbiology and Immunology), Oman College of Health Sciences, Muscat, Oman
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26
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Verma S, Dal NJK, Srivastava A, Bharti R, Siva Reddy DV, Sofi HS, Roy T, Verma K, Raman SK, Azmi L, Ray L, Mugale MN, Singh AK, Singh J, Griffiths G, Misra A. Inhaled Adjunct Therapy with Second-Line Drug Candidates for Dose Reduction in Chemotherapeutic Regimens for Multi-drug-Resistant Tuberculosis. AAPS PharmSciTech 2023; 24:130. [PMID: 37291443 DOI: 10.1208/s12249-023-02585-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 05/17/2023] [Indexed: 06/10/2023] Open
Abstract
Chemotherapy of multi-drug-resistant tuberculosis (TB) requires prolonged administration of multiple drugs. We investigated whether pulmonary delivery of minute doses of drugs, along with reduced oral doses of the same agents, would affect preclinical efficacy. We prepared dry powder inhalation (DPI) formulations comprising sutezolid (SUT), the second-generation pretomanid analog TBA-354 (TBA), or a fluorinated derivative of TBA-354 (32,625) in a matrix of the biodegradable polymer poly(L-lactide). We established formulation characteristics, doses inhaled by healthy mice, and preclinical efficacy in a mouse model of TB. Oral doses of 100 mg/kg/day or DPI doses of 0.25-0.5 mg/kg/day of drugs SUT, TBA-354, or 32,625 administered over 28 days were sub-optimally effective in reducing lung and spleen burden of Mycobacterium tuberculosis (Mtb) in infected mice. The addition of 0.25-0.5 mg/kg/day of SUT, TBA-354, or 32,625 as DPI to oral doses of 50 mg/kg/day was non-inferior in clearing Mtb from the lungs of infected mice. We concluded that adjunct therapy with inhaled second-line agents has the potential to reduce the efficacious oral dose.
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Affiliation(s)
- Sonia Verma
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, UP, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, UP, India
| | | | - Ashish Srivastava
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, UP, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, UP, India
| | - Reena Bharti
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, UP, India
| | - D V Siva Reddy
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, UP, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, UP, India
| | - Hasham Shafi Sofi
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, UP, India
| | - Trisha Roy
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, UP, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, UP, India
| | - Khushboo Verma
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, UP, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, UP, India
| | - Sunil K Raman
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, UP, India
| | - Lubna Azmi
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, UP, India
| | - Lipika Ray
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, UP, India
| | - Madhav N Mugale
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, UP, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, UP, India
| | - Amit K Singh
- National JALMA Institute for Leprosy and Other Mycobacterial Diseases, Agra, 282004, UP, India
| | - Jyotsna Singh
- CSIR-Indian Institute of Toxicology, Lucknow, 226001, UP, India
| | - Gareth Griffiths
- Department of Biosciences, University of Oslo, 0316, Oslo, Norway.
| | - Amit Misra
- Division of Pharmaceutics and Pharmacokinetics, CSIR-Central Drug Research Institute, Lucknow, 226031, UP, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, UP, India.
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27
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Oliva R, Ginestra G, Piperno A, Mazzaglia A, Nostro A, Scala A. Harnessing the power of PLA-PEG Nanoparticles for Linezolid delivery against Methicillin-Resistant Staphylococcus aureus. Int J Pharm 2023:123067. [PMID: 37257794 DOI: 10.1016/j.ijpharm.2023.123067] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 05/08/2023] [Accepted: 05/19/2023] [Indexed: 06/02/2023]
Abstract
This study deals with the development of novel poly(lactic acid-co-polyethylene glycol) nanoparticles (PLA-PEG NPs) for the efficient and prolonged delivery of Linezolid (LNZ), a synthetic antibacterial agent used against methicillin-resistant Staphylococcus aureus (MRSA). A two-step synthetic strategy based on carbodiimide coupling and copper-catalyzed azide-alkyne cycloaddition was first exploited for the conjugation of PLA with PEG. The encapsulation of LNZ into medium-molecular-weight PLA-PEG NPs was carried out by different methods including nanoprecipitation and dialysis. The optimal PLA-PEG@LNZ nanoformulation resulted in 3.5% LNZ payload (15% encapsulation efficiency, with a 10:3 polymer to drug ratio) and sustained release kinetics with 65% of entrapped antibiotic released within 80 h. Moreover, the zeta potential values (from -31 to -39 mV) indicated a good stability without agglomeration even after freeze-drying and lyophilization. The PLA-PEG@LNZ NPs exerted antimicrobial activity against a panel of Gram-positive bacteria responsible for human infections, such as S. aureus, MRSA, S. epidermidis, S. lugdunensis and vancomycin resistant Enterococcus faecium (VRE). Moreover, PLA-PEG@LNZ NPs showed inhibitory activity on both planktonic growth and preformed biofilm of MRSA. The antibacterial activity of LNZ incorporated in polymeric NPs was well preserved and the nanosystem served as an antibiotic enhancer with a potential role in MRSA-associated infections management.
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Affiliation(s)
- Roberto Oliva
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, V.le, F.Stagno d'Alcontres, 31, 98166 Messina, Italy
| | - Giovanna Ginestra
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, V.le, F.Stagno d'Alcontres, 31, 98166 Messina, Italy
| | - Anna Piperno
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, V.le, F.Stagno d'Alcontres, 31, 98166 Messina, Italy
| | - Antonino Mazzaglia
- National Council of Research, Institute for the Study of Nanostructured Materials (CNR-ISMN), URT of Messina c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, V.le, F.Stagno d'Alcontres, 31, 98166 Messina, Italy
| | - Antonia Nostro
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, V.le, F.Stagno d'Alcontres, 31, 98166 Messina, Italy.
| | - Angela Scala
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, V.le, F.Stagno d'Alcontres, 31, 98166 Messina, Italy.
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28
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Fernandes GFS, Scarim CB, Kim SH, Wu J, Castagnolo D. Oxazolidinones as versatile scaffolds in medicinal chemistry. RSC Med Chem 2023; 14:823-847. [PMID: 37252095 PMCID: PMC10211318 DOI: 10.1039/d2md00415a] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 02/06/2023] [Indexed: 11/19/2023] Open
Abstract
Oxazolidinone is a five-member heterocyclic ring with several biological applications in medicinal chemistry. Among the three possible isomers, 2-oxazolidinone is the most investigated in drug discovery. Linezolid was pioneered as the first approved drug containing an oxazolidinone ring as the pharmacophore group. Numerous analogues have been developed since its arrival on the market in 2000. Some have succeeded in reaching the advanced stages of clinical studies. However, most oxazolidinone derivatives reported in recent decades have not reached the initial stages of drug development, despite their promising pharmacological applications in a variety of therapeutic areas, including antibacterial, antituberculosis, anticancer, anti-inflammatory, neurologic, and metabolic diseases, among other areas. Therefore, this review article aims to compile the efforts of medicinal chemists who have explored this scaffold over the past decades and highlight the potential of the class for medicinal chemistry.
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Affiliation(s)
| | - Cauê Benito Scarim
- Department of Drugs and Medicines, School of Pharmaceutical Sciences, São Paulo State University Araraquara 14800903 Brazil
| | - Seong-Heun Kim
- Department of Chemistry, University College London 20 Gordon Street WC1H 0AJ London UK
- School of Cancer and Pharmaceutical Sciences, King's College London 150 Stamford Street SE1 9NH London UK
| | - Jingyue Wu
- Department of Chemistry, University College London 20 Gordon Street WC1H 0AJ London UK
| | - Daniele Castagnolo
- Department of Chemistry, University College London 20 Gordon Street WC1H 0AJ London UK
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29
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Wang X, Jin B, Han Y, Wang T, Sheng Z, Tao Y, Yang H. Optimization and Antibacterial Evaluation of Novel 3-(5-Fluoropyridine-3-yl)-2-oxazolidinone Derivatives Containing a Pyrimidine Substituted Piperazine. Molecules 2023; 28:molecules28114267. [PMID: 37298744 DOI: 10.3390/molecules28114267] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 05/09/2023] [Accepted: 05/16/2023] [Indexed: 06/12/2023] Open
Abstract
In this study, a series of novel 3-(5-fluoropyridine-3-yl)-2-oxazolidinone derivatives were designed and synthesized based on compounds previously reported, and their antibacterial activity was investigated. Then their antibacterial activity was investigated for the first time. Preliminary screening results showed that all these compounds exhibited antibacterial activity against gram-positive bacteria, including 7 drug-sensitive strains and 4 drug-resistant strains, among which compound 7j exhibited an 8-fold stronger inhibitory effect than linezolid, with a minimum inhibitory concentration (MIC) value of 0.25 µg/mL. Further molecular docking studies predicted the possible binding mode between active compound 7j and the target. Interestingly, these compounds could not only hamper the formation of biofilms, but also have better safety, as confirmed by cytotoxicity experiments. All these results indicate that these 3-(5-fluoropyridine-3-yl)-2-oxazolidinone derivatives have the potential to be developed into novel candidates for the treatment of gram-positive bacterial infections.
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Affiliation(s)
- Xin Wang
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Bo Jin
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Yutong Han
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Tong Wang
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Zunlai Sheng
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin 150030, China
| | - Ye Tao
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin 150030, China
| | - Hongliang Yang
- Department of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin 150030, China
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30
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Malik MS, Faazil S, Alsharif MA, Sajid Jamal QM, Al-Fahemi JH, Banerjee A, Chattopadhyay A, Pal SK, Kamal A, Ahmed SA. Antibacterial Properties and Computational Insights of Potent Novel Linezolid-Based Oxazolidinones. Pharmaceuticals (Basel) 2023; 16:516. [PMID: 37111273 PMCID: PMC10143092 DOI: 10.3390/ph16040516] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 03/23/2023] [Accepted: 03/27/2023] [Indexed: 04/03/2023] Open
Abstract
The mounting evidence of bacterial resistance against commonly prescribed antibiotics warrants the development of new antibacterial drugs on an urgent basis. Linezolid, an oxazolidinone antibiotic, is a lead molecule in designing new oxazolidinones as antibacterial agents. In this study, we report the antibacterial potential of the novel oxazolidinone-sulphonamide/amide conjugates that were recently reported by our research group. The antibacterial assays showed that, from the series, oxazolidinones 2 and 3a exhibited excellent potency (MIC of 1.17 μg/mL) against B. subtilis and P. aeruginosa strains, along with good antibiofilm activity. Docking studies revealed higher binding affinities of oxazolidinones 2 and 3a compared to linezolid, which were further validated by molecular dynamics simulations. In addition to this, other computational studies, one-descriptor (log P) analysis, ADME-T and drug likeness studies demonstrated the potential of these novel linezolid-based oxazolidinones to be taken forward for further studies.
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Affiliation(s)
- M. Shaheer Malik
- Department of Chemistry, Faculty of Applied Sciences, Umm Al-Qura University, Makkah 21955, Saudi Arabia; (M.A.A.)
| | - Shaikh Faazil
- Department of Chemistry, Poona College of Arts, Science and Commerce, Pune 411001, India
- Department of Medicinal Chemistry and Pharmacology, CSIR—Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Meshari A. Alsharif
- Department of Chemistry, Faculty of Applied Sciences, Umm Al-Qura University, Makkah 21955, Saudi Arabia; (M.A.A.)
| | - Qazi Mohammad Sajid Jamal
- Department of Health Informatics, College of Public Health and Health Informatics, Qassim University, Al Bukayriyah 52741, Saudi Arabia;
| | - Jabir H. Al-Fahemi
- Department of Chemistry, Faculty of Applied Sciences, Umm Al-Qura University, Makkah 21955, Saudi Arabia; (M.A.A.)
| | - Amrita Banerjee
- Department of Physics, Jadavpur University, 188, Raja S.C. Mallick Rd., Kolkata 700032, India;
- Technical Research Centre, S. N. Bose National Centre for Basic Sciences, Block JD, Sector III, Salt Lake, Kolkata 700106, India
| | - Arpita Chattopadhyay
- Department of Basic Science and Humanities, Techno International New Town, Block—DG 1/1, Action Area 1, New Town, Rajarhat, Kolkata 700156, India;
| | - Samir Kumar Pal
- Department of Chemical and Biological Sciences, S. N. Bose National Centre for Basic Sciences, Block JD, Sector 3, Salt Lake, Kolkata 700106, India;
| | - Ahmed Kamal
- Department of Medicinal Chemistry and Pharmacology, CSIR—Indian Institute of Chemical Technology, Hyderabad 500007, India
- Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad 500078, India
| | - Saleh A. Ahmed
- Department of Chemistry, Faculty of Applied Sciences, Umm Al-Qura University, Makkah 21955, Saudi Arabia; (M.A.A.)
- Chemistry Department, Faculty of Science, Assiut University, Assiut 71516, Egypt
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31
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Breijyeh Z, Karaman R. Design and Synthesis of Novel Antimicrobial Agents. Antibiotics (Basel) 2023; 12:628. [PMID: 36978495 PMCID: PMC10045396 DOI: 10.3390/antibiotics12030628] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/19/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
The necessity for the discovery of innovative antimicrobials to treat life-threatening diseases has increased as multidrug-resistant bacteria has spread. Due to antibiotics' availability over the counter in many nations, antibiotic resistance is linked to overuse, abuse, and misuse of these drugs. The World Health Organization (WHO) recognized 12 families of bacteria that present the greatest harm to human health, where options of antibiotic therapy are extremely limited. Therefore, this paper reviews possible new ways for the development of novel classes of antibiotics for which there is no pre-existing resistance in human bacterial pathogens. By utilizing research and technology such as nanotechnology and computational methods (such as in silico and Fragment-based drug design (FBDD)), there has been an improvement in antimicrobial actions and selectivity with target sites. Moreover, there are antibiotic alternatives, such as antimicrobial peptides, essential oils, anti-Quorum sensing agents, darobactins, vitamin B6, bacteriophages, odilorhabdins, 18β-glycyrrhetinic acid, and cannabinoids. Additionally, drug repurposing (such as with ticagrelor, mitomycin C, auranofin, pentamidine, and zidovudine) and synthesis of novel antibacterial agents (including lactones, piperidinol, sugar-based bactericides, isoxazole, carbazole, pyrimidine, and pyrazole derivatives) represent novel approaches to treating infectious diseases. Nonetheless, prodrugs (e.g., siderophores) have recently shown to be an excellent platform to design a new generation of antimicrobial agents with better efficacy against multidrug-resistant bacteria. Ultimately, to combat resistant bacteria and to stop the spread of resistant illnesses, regulations and public education regarding the use of antibiotics in hospitals and the agricultural sector should be combined with research and technological advancements.
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Affiliation(s)
- Zeinab Breijyeh
- Pharmaceutical Sciences Department, Faculty of Pharmacy, Al-Quds University, Jerusalem P.O. Box 20002, Palestine
| | - Rafik Karaman
- Pharmaceutical Sciences Department, Faculty of Pharmacy, Al-Quds University, Jerusalem P.O. Box 20002, Palestine
- Department of Sciences, University of Basilicata, Via dell’Ateneo Lucano 10, 85100 Potenza, Italy
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Podrezova EV, Okhina AA, Rogachev AD, Baykov SV, Kirschning A, Yusubov MS, Soldatova NS, Postnikov PS. Ligand-free Ullmann-type arylation of oxazolidinones by diaryliodonium salts. Org Biomol Chem 2023; 21:1952-1957. [PMID: 36757159 DOI: 10.1039/d2ob02122f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The arylation of azaheterocycles can be considered as one of the most important processes for the preparation of various biologically active compounds. In the present work, we describe a method for the copper-catalyzed N-arylation of hindered oxazolidinones using diaryliodonium salts. The method succeeds in good to excellent yields for the arylation of 4-alkyloxazolidinones, including sterically hindered isopropyl- and tert-butyl-substituted. The efficiency of the method was demonstrated for a wide range of diaryliodonium salts - symmetric and unsymmetric as well as ortho-substituted derivatives. The developed approach will provide an important contribution in the development and preparation of novel drugs and bioactive molecules containing oxazolidinone moieties.
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Affiliation(s)
- Ekaterina V Podrezova
- Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, Tomsk 634034, Russia.
| | - Alina A Okhina
- N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, acad. Lavrentiev ave., 9, Novosibirsk 630090, Russia.,Novosibirsk State University, Pirogov str., 2, Novosibirsk 630090, Russia
| | - Artem D Rogachev
- N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, acad. Lavrentiev ave., 9, Novosibirsk 630090, Russia.,Novosibirsk State University, Pirogov str., 2, Novosibirsk 630090, Russia
| | - Sergey V Baykov
- Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, Tomsk 634034, Russia. .,Institute of Chemistry, Saint Petersburg State University, Saint Petersburg 199034, Russia
| | | | - Mekhman S Yusubov
- Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, Tomsk 634034, Russia.
| | - Natalia S Soldatova
- Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, Tomsk 634034, Russia.
| | - Pavel S Postnikov
- Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, Tomsk 634034, Russia. .,Department of Solid State Engineering, Institute of Chemical Technology, Prague 16628, Czech Republic
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A Comprehensive Overview of the Antibiotics Approved in the Last Two Decades: Retrospects and Prospects. Molecules 2023; 28:molecules28041762. [PMID: 36838752 PMCID: PMC9962477 DOI: 10.3390/molecules28041762] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 01/25/2023] [Accepted: 02/08/2023] [Indexed: 02/15/2023] Open
Abstract
Due to the overuse of antibiotics, bacterial resistance has markedly increased to become a global problem and a major threat to human health. Fortunately, in recent years, various new antibiotics have been developed through both improvements to traditional antibiotics and the discovery of antibiotics with novel mechanisms with the aim of addressing the decrease in the efficacy of traditional antibiotics. This manuscript reviews the antibiotics that have been approved for marketing in the last 20 years with an emphasis on the antibacterial properties, mechanisms, structure-activity relationships (SARs), and clinical safety of these antibiotics. Furthermore, the current deficiencies, opportunities for improvement, and prospects of antibiotics are thoroughly discussed to provide new insights for the design and development of safer and more potent antibiotics.
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34
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Zhang CH, Wu ZL, Bai RX, Hu TD, Zhao B. Highly Efficient Conversion of Aziridines and CO 2 Catalyzed by Microporous [Cu 12] Nanocages. ACS APPLIED MATERIALS & INTERFACES 2023; 15:1879-1890. [PMID: 36584397 DOI: 10.1021/acsami.2c19614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The conversion of CO2 as a C1 source into value-added products is an attractive alternative in view of the green synthesis. Among the reported approaches, the cyclization reaction of aziridines with CO2 is of great significance since the generated N-containing cyclic skeletons are extensively found in pharmaceutical chemistry and industrial production. However, a low turnover number (TON) and homogeneous catalysts are often involved in this catalytic system. Herein, one novel copper-organic framework {[Cu2(L4-)(H2O)2]·3DMF·2H2O}n (1) (H4L = 2'-fluoro-[1,1':4',1″-Terphenyl]-3,3″,5,5″-tetracarboxylic acid) assembled by nanosized [Cu12] cages was successfully synthesized and structurally characterized, which exhibits high CO2/N2 selectivity due to the strong interactions between CO2 and open Cu(II) sites and ligands in the framework. Catalytic investigations suggest that 1 as a heterogeneous catalyst can effectively catalyze the cyclization of aziridines with CO2, and the TON can reach a record value of 90.5. Importantly, 1 displays excellent chemical stability, which can be recycled at least five times. The combination explorations of nuclear magnetic resonance (NMR), 13C-isotope labeling experiments, and density functional theory (DFT) clearly uncover the mechanism of this aziridine/CO2 coupling reaction system, in which 1 and tetrabutylammonium bromide (TBAB) can highly activate the substrate molecule, and the synergistic catalytic effect between them can greatly reduce the reaction energy barrier from 51.7 to 36.2 kcal/mol.
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Affiliation(s)
- Cang-Hua Zhang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, P. R. China
- Department of Chemistry, Key Laboratory of Advanced Energy Material Chemistry, MOE, Renewable Energy Conversion and Storage Center (RECAST), Nankai University, Tianjin 300071, P. R. China
| | - Zhi-Lei Wu
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, P. R. China
- Department of Chemistry, Key Laboratory of Advanced Energy Material Chemistry, MOE, Renewable Energy Conversion and Storage Center (RECAST), Nankai University, Tianjin 300071, P. R. China
| | - Run-Xue Bai
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Key Laboratory of Chemical Biology of Hebei Province, Key Laboratory of Analytical Science and Technology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, P. R. China
| | - Tian-Ding Hu
- Institute of Theoretical Chemistry, Jilin University, Changchun 130023, P. R. China
- Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Bin Zhao
- Department of Chemistry, Key Laboratory of Advanced Energy Material Chemistry, MOE, Renewable Energy Conversion and Storage Center (RECAST), Nankai University, Tianjin 300071, P. R. China
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35
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Marzhoseyni Z, Rashki S, Nazari-Alam A. Evaluation of the inhibitory effects of TiO 2 nanoparticle and Ganoderma lucidum extract against biofilm-producing bacteria isolated from clinical samples. Arch Microbiol 2023; 205:59. [PMID: 36622472 DOI: 10.1007/s00203-023-03403-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/28/2022] [Accepted: 01/02/2023] [Indexed: 01/10/2023]
Abstract
The emergence of multidrug-resistant pathogens leads to treatment failure. So, the need for new antibacterial drugs is urgent. We evaluated the antibacterial and antibiofilm effects of titanium dioxide (TiO2) nanoparticles (NPs) and Ganoderma extract against biofilm-producing Pseudomonas aeruginosa and methicillin-resistant Staphylococcus aureus (MRSA) by microbroth dilution and crystal violet assays. The combined effect of these compounds was studied using the checkerboard method. The OD260 was measured to assess the destruction of the membrane permeability. The expression of biofilm-related genes (iacA and algD) was investigated by real-time PCR. MRSA isolate was more susceptible to test compounds. The OD260 increased and algD gene was down-regulated after treatment with TiO2 NPs and a combination of TiO2 NPs and Ganoderma extract. iacA gene did not affect by test compounds. Overall, these findings revealed that nanoparticles and natural substances might represent the potential candidates to develop promising antibacterial agents, especially against Gram-positive bacteria.
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Affiliation(s)
- Zeynab Marzhoseyni
- Department of Microbiology and Immunology, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Somaye Rashki
- Department of Microbiology and Immunology, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Ali Nazari-Alam
- Department of Microbiology and Immunology, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran.
- Infectious Diseases Research Center, Kashan University of Medical Sciences, Kashan, Iran.
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36
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Cavalleri M, Damiano C, Manca G, Gallo E. Protonated Porphyrins: Bifunctional Catalysts for the Metal-Free Synthesis of N-Alkyl-Oxazolidinones. Chemistry 2023; 29:e202202729. [PMID: 36194105 PMCID: PMC10100137 DOI: 10.1002/chem.202202729] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Indexed: 11/12/2022]
Abstract
The protonation of commercially available porphyrin ligands yields a class of bifunctional catalysts able to promote the synthesis of N-alkyl oxazolidinones by CO2 cycloaddition to corresponding aziridines. The catalytic system does not require the presence of any Lewis base or additive, and shows interesting features both in terms of cost effectiveness and eco-compatibility. The metal-free methodology is active even with a low catalytic loading of 1 % mol, and the chemical stability of the protonated porphyrin allowed it to be recycled three times without any decrease in performance. In addition, a DFT study was performed in order to suggest how a simple protonated porphyrin can mediate CO2 cycloaddition to aziridines to yield oxazolidinones.
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Affiliation(s)
- Matteo Cavalleri
- Department of ChemistryUniversity of MilanVia C. Golgi 1920133MilanItaly
| | - Caterina Damiano
- Department of ChemistryUniversity of MilanVia C. Golgi 1920133MilanItaly
| | - Gabriele Manca
- Istituto di Chimica dei Composti OrganoMetalliciICCOM-CNRVia Madonna del Piano 1050019Sesto FiorentinoItaly
| | - Emma Gallo
- Department of ChemistryUniversity of MilanVia C. Golgi 1920133MilanItaly
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37
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Abstract
For more than three decades, RNA has been known to be a relevant and attractive macromolecule to target but figuring out which RNA should be targeted and how remains challenging. Recent years have seen the confluence of approaches for screening, drug optimization, and target validation that have led to the approval of a few RNA-targeting therapeutics for clinical applications. This focused perspective aims to highlight - but not exhaustively review - key factors accounting for these successes while pointing at crucial aspects worth considering for further breakthroughs.
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Affiliation(s)
- Quentin Vicens
- Department of Biochemistry and Molecular Genetics, RNA Bioscience Initiative, University of Colorado Anschutz Medical Campus, School of Medicine, Aurora, CO 80045, USA
| | - Eric Westhof
- Université de Strasbourg, Institut de Biologie Moléculaire et Cellulaire, Architecture et Réactivité de l’ARN, CNRS UPR 9002, 2, allée Konrad Roentgen, F-67084 Strasbourg, France
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38
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Sonzini P, Berthet N, Damiano C, Dufaud V, Gallo E. A metal-free porphyrin heterogenised onto SBA-15 silica: A performant material for the CO2 cycloaddition to epoxides and aziridines. J Catal 2022. [DOI: 10.1016/j.jcat.2022.08.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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39
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Hada AM, Potara M, Astilean S, Cordaro A, Neri G, Malanga M, Nostro A, Mazzaglia A, Scala A, Piperno A. Linezolid nanoAntiobiotics and SERS-nanoTags based on polymeric cyclodextrin bimetallic core-shell nanoarchitectures. Carbohydr Polym 2022; 293:119736. [DOI: 10.1016/j.carbpol.2022.119736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/27/2022] [Accepted: 06/12/2022] [Indexed: 11/16/2022]
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40
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Kelebekli L. Synthesis and hydrolysis of monocarbamate from allylic 1,4-dicarbamate: Bis-homodichloroinositol. Carbohydr Res 2022; 522:108681. [PMID: 36166876 DOI: 10.1016/j.carres.2022.108681] [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: 06/23/2022] [Revised: 09/01/2022] [Accepted: 09/16/2022] [Indexed: 11/27/2022]
Abstract
The synthesis of novel bis-homodichloroinositol with a configuration similar to that of conduritol-D is reported for the first time. The photooxygenation of cis-dichloro-diene obtained using cyclooctatetraene as the starting molecule afforted the tricyclic endoperoxide. The reduction of the endoperoxide with thiourea gave the corresponding allylic cis-diol. Formation of the bis-carbamate groups with p-TsNCO of allylic cis-diol followed by the [(dba)3Pd2CHCl3] in the presence of trimethylsilyl azide, gave a new monocarbamate as well as oxazolidinone derivative. Oxidation of the double bond in the monocarbamate with osmium tetraoxide followed by acetylation furnished the desired monocarbamate triacetate. Eventually, the desired halogenated bicyclo[4.2.0] inositol (bis-homodichloroinositol) were obtained in high yield by hydrolysis of the acetate groups and monocarbanate group by potassium carbonate in methanol. Characterization of all the synthesized compounds were performed by FT-IR, 1H NMR, 13C NMR, COSY (2D-NMR), HRMS, and Elemental Analysis techniques.
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Affiliation(s)
- Latif Kelebekli
- Department of Chemistry, Faculty of Sciences and Arts, Ordu University, 52200, Ordu, Turkey.
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41
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Sena KXFR, Mendes RFV, Bôtelho EX, Araújo-Melo RO, Silva CJA, Costa Júnior HNP, Amorim-Carmo B, Damasceno IZ, Fernandes-Pedrosa MF, Aguiar JS, Silva TG, Lima GMS, Albuquerque JFC, Ximenes RM. Antibacterial and antibiofilm activities of thiazolidine-2,4-dione and 4-thioxo-thiazolidin-2-one derivatives against multidrug-resistant Staphylococcus aureus clinical isolates. J Appl Microbiol 2022; 133:3558-3572. [PMID: 36000385 DOI: 10.1111/jam.15790] [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: 06/07/2022] [Revised: 08/04/2022] [Accepted: 08/11/2022] [Indexed: 12/01/2022]
Abstract
AIMS Antimicrobial resistance is one of the highest priorities in global public health with Staphylococcus aureus among the most important microorganisms due to its rapidly evolving antimicrobial resistance. Despite all the efforts of antimicrobial stewardship, research and development of new antimicrobials are still imperative. The thiazolidine ring is considered a privileged structure for the development of new antimicrobials. This study aimed to compare the antibacterial effects of two analog series of thiazolidine-2,4-dione and 4-thioxo-thiazolidin-2-one against multidrug-resistant Staphylococcus aureus clinical isolates. METHODS AND RESULTS The derivatives 1a, 2a, and 2b exhibited MIC between 1-32 μg.mL-1 , with time-to-kill curves showing a bactericidal effect up to 24 h. In the antibiofilm assay, the most active derivatives were able to inhibit about 90% of biofilm formation. The 4-thioxo-thiazolidine-2-one derivatives were more active against planktonic cells, while the thiazolidine-2,4-dione derivatives were able to disrupt about 50% of the preformed biofilm. In the in vivo infection model using Caenorhabditis elegans as a host, the derivatives 1a, 2a, and 2b increased nematode survival with a concentration-dependent effect. Exposure of S. aureus to the derivatives 2a and 2b induced surface changes and decrease cell size. None of the derivatives was cytotoxic for human peripheral blood mononuclear cells (PBMC) but showed moderate cytotoxicity for L929 fibroblasts. CONCLUSION The 5-(3,4-dichlorobenzylidene)-4-thioxothiazolidin-2-one (2b) was the most active derivative against S. aureus and showed the higher selective indexes. SIGNIFICANCE AND IMPACT OF STUDY 4-thioxo-thiazolidin-2-one are a promising scaffold for the research and development of new antimicrobial drugs against multidrug-resistant S. aureus.
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Affiliation(s)
- Kêsia X F R Sena
- Departamento de Antibióticos, Universidade Federal de Pernambuco, Recife, Brazil
| | - Raudiney F V Mendes
- Departamento de Antibióticos, Universidade Federal de Pernambuco, Recife, Brazil
| | - Evillyn X Bôtelho
- Departamento de Antibióticos, Universidade Federal de Pernambuco, Recife, Brazil
| | | | - Camila J A Silva
- Departamento de Antibióticos, Universidade Federal de Pernambuco, Recife, Brazil
| | | | - Bruno Amorim-Carmo
- Departamento de Farmácia, Universidade Federal do Rio Grande do Norte, Natal, Brazil
| | - Igor Z Damasceno
- Departamento de Engenharia de Materiais, Universidade Federal do Rio Grande do Norte, Natal, Brazil
| | | | - Jaciana S Aguiar
- Departamento de Antibióticos, Universidade Federal de Pernambuco, Recife, Brazil
| | - Teresinha G Silva
- Departamento de Antibióticos, Universidade Federal de Pernambuco, Recife, Brazil
| | - Gláucia M S Lima
- Departamento de Antibióticos, Universidade Federal de Pernambuco, Recife, Brazil
| | | | - Rafael M Ximenes
- Departamento de Antibióticos, Universidade Federal de Pernambuco, Recife, Brazil
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Steiner A, Nelson RC, Dallinger D, Kappe CO. Synthesis of Thiomorpholine via a Telescoped Photochemical Thiol–Ene/Cyclization Sequence in Continuous Flow. Org Process Res Dev 2022; 26:2532-2539. [PMID: 36032361 PMCID: PMC9396661 DOI: 10.1021/acs.oprd.2c00214] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Alexander Steiner
- Institute of Chemistry, University of Graz, NAWI Graz, Heinrichstrasse 28, 8010 Graz, Austria
- Center for Continuous Flow Synthesis and Processing (CCFLOW), Research Center Pharmaceutical Engineering GmbH (RCPE), Inffeldgasse 13, 8010 Graz, Austria
| | - Ryan C. Nelson
- Medicines for All Institute, Virginia Commonwealth University, 737 North Fifth Street, P.O. Box 980100, Richmond, Virginia 23298, United States
| | - Doris Dallinger
- Institute of Chemistry, University of Graz, NAWI Graz, Heinrichstrasse 28, 8010 Graz, Austria
- Center for Continuous Flow Synthesis and Processing (CCFLOW), Research Center Pharmaceutical Engineering GmbH (RCPE), Inffeldgasse 13, 8010 Graz, Austria
| | - C. Oliver Kappe
- Institute of Chemistry, University of Graz, NAWI Graz, Heinrichstrasse 28, 8010 Graz, Austria
- Center for Continuous Flow Synthesis and Processing (CCFLOW), Research Center Pharmaceutical Engineering GmbH (RCPE), Inffeldgasse 13, 8010 Graz, Austria
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43
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Reddy DS, Sinha A, Kumar A, Saini VK. Drug re-engineering and repurposing: A significant and rapid approach to tuberculosis drug discovery. Arch Pharm (Weinheim) 2022; 355:e2200214. [PMID: 35841594 DOI: 10.1002/ardp.202200214] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 06/14/2022] [Accepted: 06/17/2022] [Indexed: 01/11/2023]
Abstract
The prevalence of tuberculosis (TB) remains the leading cause of death from a single infectious agent, ranking it above all other contagious diseases. The problem to tackle this disease seems to become even worse due to the outbreak of SARS-CoV-2. Further, the complications related to drug-resistant TB, prolonged treatment regimens, and synergy between TB and HIV are significant drawbacks. There are several drugs to treat TB, but there is still no rapid and accurate treatment available. Intensive research is, therefore, necessary to discover newer molecular analogs that can probably eliminate this disease within a short span. An increase in efficacy can be achieved through re-engineering old TB-drug families and repurposing known drugs. These two approaches have led to the production of newer classes of compounds with novel mechanisms to treat multidrug-resistant strains. With respect to this context, we discuss structural aspects of developing new anti-TB drugs as well as examine advances in TB drug discovery. It was found that the fluoroquinolone, oxazolidinone, and nitroimidazole classes of compounds have greater potential to be further explored for TB drug development. Most of the TB drug candidates in the clinical phase are modified versions of these classes of compounds. Therefore, here we anticipate that modification or repurposing of these classes of compounds has a higher probability to reach the clinical phase of drug development. The information provided will pave the way for researchers to design and identify newer molecular analogs for TB drug development and also broaden the scope of exploring future-generation potent, yet safer anti-TB drugs.
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Affiliation(s)
- Dinesh S Reddy
- Centre for Nano and Material Sciences, Jain University, Bangalore, India
| | - Anamika Sinha
- Centre for Nano and Material Sciences, Jain University, Bangalore, India
| | - Amit Kumar
- Centre for Nano and Material Sciences, Jain University, Bangalore, India
| | - Vipin K Saini
- Materials and Environmental Chemistry Research Laboratory, School of Environment & Natural Resources, Doon University, Dehradun, India
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44
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Siera H, Kreuzahler M, Wölper C, Haberhauer G. Regio‐ and Stereoselective Synthesis of Ynenamides through Gold(I)‐Catalyzed Hydroalkynylation of Ynamides. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Hannah Siera
- University of Duisburg-Essen: Universitat Duisburg-Essen Institut für Organische Chemie GERMANY
| | - Mathis Kreuzahler
- University of Duisburg-Essen: Universitat Duisburg-Essen Institut für Organische Chemie GERMANY
| | - Christoph Wölper
- University of Duisburg-Essen: Universitat Duisburg-Essen Institut für Anorganische Chemie GERMANY
| | - Gebhard Haberhauer
- Universität Duisburg-Essen Institut für Organische Chemie Universitätsstraße 7 45117 Essen GERMANY
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45
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Recent Trends in the Development of Carbon-Based Electrodes Modified with Molecularly Imprinted Polymers for Antibiotic Electroanalysis. CHEMOSENSORS 2022. [DOI: 10.3390/chemosensors10070243] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Antibiotics are antibacterial agents applied in human and veterinary medicine. They are also employed to stimulate the growth of food-producing animals. Despite their benefits, the uncontrolled use of antibiotics results in serious problems, and therefore their concentration levels in different foods as well as in environmental samples were regulated. As a consequence, there is an increasing demand for the development of sensitive and selective analytical tools for antibiotic reliable and rapid detection. These requirements are accomplished by the combination of simple, cost-effective and affordable electroanalytical methods with molecularly imprinted polymers (MIPs) with high recognition specificity, based on their “lock and key” working principle, used to modify the electrode surface, which is the “heart” of any electrochemical device. This review presents a comprehensive overview of MIP-modified carbon-based electrodes developed in recent years for antibiotic detection. The MIP preparation and electrode modification procedures, along with the performance characteristics of sensors and analytical methods, as well as the applications for the antibiotics’ quantification from different matrices (pharmaceutical, biological, food and environmental samples), are discussed. The information provided by this review can inspire researchers to go deeper into the field of MIP-modified sensors and to develop efficient means for reliable antibiotic determination.
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Ndukwe ARN, Wiedbrauk S, Boase NRB, Fairfull‐Smith KE. Strategies to Improve the Potency of Oxazolidinones towards Bacterial Biofilms. Chem Asian J 2022; 17:e202200201. [PMID: 35352479 PMCID: PMC9321984 DOI: 10.1002/asia.202200201] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/28/2022] [Indexed: 11/29/2022]
Abstract
Biofilms are part of the natural lifecycle of bacteria and are known to cause chronic infections that are difficult to treat. Most antibiotics are developed and tested against bacteria in the planktonic state and are ineffective against bacterial biofilms. The oxazolidinones, including the last resort drug linezolid, are one of the main classes of synthetic antibiotics progressed to clinical use in the last 50 years. They have a unique mechanism of action and only develop low levels of resistance in the clinical setting. With the aim of providing insight into strategies to design more potent antibiotic compounds with activity against bacterial biofilms, we review the biofilm activity of clinically approved oxazolidinones and report on structural modifications to oxazolidinones and their delivery systems which lead to enhanced anti-biofilm activity.
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Affiliation(s)
- Audrey R. N. Ndukwe
- School of Chemistry and Physics, Faculty of ScienceQueensland University of TechnologyBrisbaneQueensland4001Australia
- Centre for Materials ScienceQueensland University of TechnologyBrisbaneQueensland4001Australia
| | - Sandra Wiedbrauk
- School of Chemistry and Physics, Faculty of ScienceQueensland University of TechnologyBrisbaneQueensland4001Australia
- Centre for Materials ScienceQueensland University of TechnologyBrisbaneQueensland4001Australia
| | - Nathan R. B. Boase
- School of Chemistry and Physics, Faculty of ScienceQueensland University of TechnologyBrisbaneQueensland4001Australia
- Centre for Materials ScienceQueensland University of TechnologyBrisbaneQueensland4001Australia
| | - Kathryn E. Fairfull‐Smith
- School of Chemistry and Physics, Faculty of ScienceQueensland University of TechnologyBrisbaneQueensland4001Australia
- Centre for Materials ScienceQueensland University of TechnologyBrisbaneQueensland4001Australia
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47
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Yang M, Zhan S, Fu L, Wang Y, Zhang P, Deng G. Prospects of contezolid (MRX-I) against multidrug-resistant tuberculosis and extensively drug-resistant tuberculosis. Drug Discov Ther 2022; 16:99-101. [PMID: 35418550 DOI: 10.5582/ddt.2022.01025] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Tuberculosis has become a great global public health threat. Compared with drug-susceptible tuberculosis (TB), the treatment regimens for multidrug-resistant tuberculosis (MDR-TB) and extensively drug-resistant tuberculosis (XDR-TB) involve more severe adverse events and poorer treatment outcomes. Linezolid (LZD) is the first oxazolidinones used for TB. Thanks to its potent activity against Mycobacterium tuberculosis, LZD has become one of the key agents in the regimens against MDR/XDR-TB. However, this drug may cause intolerability and other adverse events. Contezolid, another novel oxazolidinone, can also inhibit M. tuberculosis, still with fewer adverse effects compared with LZD. This paper is to prospect the potentials of contezolid in the treatment of MDR/XDR-TB, with focus on its efficacy and possible adverse effects.
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Affiliation(s)
- Min Yang
- Department of Pulmonary Medicine and Tuberculosis, The Third People's Hospital of Shenzhen, China
| | - Senlin Zhan
- Department of Pulmonary Medicine and Tuberculosis, The Third People's Hospital of Shenzhen, China
| | - Liang Fu
- Department of Pulmonary Medicine and Tuberculosis, The Third People's Hospital of Shenzhen, China
| | - Yuxiang Wang
- Department of Pulmonary Medicine and Tuberculosis, The Third People's Hospital of Shenzhen, China
| | - Peize Zhang
- Department of Pulmonary Medicine and Tuberculosis, The Third People's Hospital of Shenzhen, China
| | - Guofang Deng
- Department of Pulmonary Medicine and Tuberculosis, The Third People's Hospital of Shenzhen, China
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Small molecules as next generation biofilm inhibitors and anti-infective agents. PHYSICAL SCIENCES REVIEWS 2022. [DOI: 10.1515/psr-2021-0175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Biofilms are consortia of microbes attached to surfaces that could be biotic or abiotic in nature. The bacterial cells are enclosed within a microbial synthesized extrapolymeric substances (EPS). The presence of a thick EPS matrix around the cells, protects it from antimicrobials. As the biofilms are difficult to be eradicated in the tissues and implants, the infections due to biofilms are chronic, persistent as well as recurrent in nature. Biofilm formation in multidrug resistant pathogens is a major public health concern. In this review, we have discussed traditional drug discovery approaches and high throughput screening assays involved in the discovery of small molecules for their application as biofilm inhibitory agents. The small molecules target different phases of biofilm growth in pathogenic bacteria. Here, we have focused on three specific application of small molecules, as anti-adhesion agents that prevent adherence and attachment of cells to surfaces; signal inhibitors that disrupt communication between cells resulting in hampered biofilm growth and development; and finally as agents that induce release of cells from mature biofilms. Some of the biofilm inhibitors have also potentiated the antibiotic efficacy leading to complete eradication of biofilms. It is highly pertinent now to focus on developing these as therapeutics and anti-biofilm agents for coating medical implants and devices in clinical settings.
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Klimenko RV, Starykh SA, Baranin SV, Bubnov YN. Synthesis of 5,5-diallyl-substituted oxazolidin-2-one derivatives, based on reductive diallylation of amino acids. Russ Chem Bull 2022. [DOI: 10.1007/s11172-022-3452-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Vrbický M, Macek K, Pochobradský J, Svoboda J, Sedlák M, Drabina P. The asymmetric Henry reaction as synthetic tool for the preparation of the drugs linezolid and rivaroxaban. Beilstein J Org Chem 2022; 18:438-445. [PMID: 35529894 PMCID: PMC9039528 DOI: 10.3762/bjoc.18.46] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 04/05/2022] [Indexed: 11/23/2022] Open
Abstract
The human drugs – the antibiotic linezolid (1) and the anticoagulant rivaroxaban (2) – belong among modern pharmaceutics, which contain an oxazolidine-2-one moiety bearing a stereogenic center. The chirality of these drugs is a fundamental attribute for their biological activity. Herein, one of the efficient asymmetric syntheses of these drugs was studied in detail. Highly enantioselective catalysts were tested in the key step of the synthetic procedure, i.e., the asymmetric Henry reaction, under different reaction conditions, using several starting aldehydes. The corresponding nitroaldols as chiral intermediates in the syntheses of these drugs were obtained in high yields and enantiomeric excesses of up to 91% ee.
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Affiliation(s)
- Martin Vrbický
- Institute of Organic Chemistry and Technology, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 532 10 Pardubice, Czech Republic
| | - Karel Macek
- Institute of Organic Chemistry and Technology, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 532 10 Pardubice, Czech Republic
| | - Jaroslav Pochobradský
- Institute of Organic Chemistry and Technology, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 532 10 Pardubice, Czech Republic
| | - Jan Svoboda
- Institute of Organic Chemistry and Technology, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 532 10 Pardubice, Czech Republic
| | - Miloš Sedlák
- Institute of Organic Chemistry and Technology, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 532 10 Pardubice, Czech Republic
| | - Pavel Drabina
- Institute of Organic Chemistry and Technology, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 532 10 Pardubice, Czech Republic
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