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Shady NH, Mokhtar FA, Mahmoud BK, Yahia R, Ibrahim AM, Sayed NA, Samy MN, Alzubaidi MA, Abdelmohsen UR. Capturing the antimicrobial profile of Paeonia officinalis, Jasminum officinale and Rosa damascene against methicillin resistant Staphylococcus aureus with metabolomics analysis and network pharmacology. Sci Rep 2024; 14:13621. [PMID: 38871725 DOI: 10.1038/s41598-024-62369-5] [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: 01/01/2024] [Accepted: 05/16/2024] [Indexed: 06/15/2024] Open
Abstract
In the current study, we evaluated the in vitro antibacterial efficacy of the roots' extracts of Jasminum officinale, Rosa damascene and Paeonia officinalis against MRSA (methicillin-resistant Staphylococcus aureus) by well diffusion technique. The root extract of P. officinalis exerted a potent anti-MRSA with MIC 0.4673 µg/ml, while both J. officinale and R. damascene exhibited very weak activity. Therefore, chemical profiling of the crude extract P. officinalis roots assisted by LC-HR-ESI-MS was performed and led to the dereplication of twenty metabolites of different classes, in which terpenes are the most abundant compounds. On a molecular level, network pharmacology was used to determine the targets of active metabolites to bacterial infections, particularly MRSA. Online databases PubChem, UniProt, STRING, and Swiss Target Prediction were used. In addition to using CYTOSCAPE software to display and analyze the findings, ShinyGO and FunRich tools were used to identify the gene enrichment analysis to the set of recognized genes. The results detected the identified metabolites were annotated by 254 targets. ALB, ACHE, TYMS, PRKCD, PLG, MMP9, MMP2, ERN1, EDNRA, BRD4 were found to be associated with MRSA infection. The top KEGG pathway was the vascular smooth muscle contraction pathway according to enrichment FDR. The present study suggested a possible implication of P. officinalis roots as a potent candidate having a powerful antibacterial activity against MRSA.
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Affiliation(s)
- Nourhan Hisham Shady
- Department of Pharmacognosy, Faculty of Pharmacy, Deraya University, Universities Zone, New Minia City, 61111, Egypt.
- Center for Research and Sustainability, Deraya University, Universities Zone, New Minia City, 61111, Egypt.
| | | | - Basma Khalaf Mahmoud
- Department of Pharmacognosy, Faculty of Pharmacy, Minia University, Minia, 61519, Egypt
| | - Ramadan Yahia
- Department of Microbiology and Immunology, Faculty of Pharmacy, Deraya University, New Minia City, Minia, Egypt
| | - Ayman M Ibrahim
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Deraya University, New Minia City, 61111, Egypt
| | - Nada Ahmed Sayed
- Faculty of Pharmacy, Deraya University, Universities Zone, New Minia City, 61111, Egypt
| | - Mamdouh Nabil Samy
- Department of Pharmacognosy, Faculty of Pharmacy, Minia University, Minia, 61519, Egypt
| | - Mubarak A Alzubaidi
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, 21589, Jeddah, Saudi Arabia
| | - Usama Ramadan Abdelmohsen
- Department of Pharmacognosy, Faculty of Pharmacy, Deraya University, Universities Zone, New Minia City, 61111, Egypt.
- Department of Pharmacognosy, Faculty of Pharmacy, Minia University, Minia, 61519, Egypt.
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Verma SK, Rangappa S, Verma R, Xue F, Verma S, Sharath Kumar KS, Rangappa KS. Sulfur (S Ⅵ)-containing heterocyclic hybrids as antibacterial agents against methicillin-resistant Staphylococcus aureus (MRSA) and its SAR. Bioorg Chem 2024; 145:107241. [PMID: 38437761 DOI: 10.1016/j.bioorg.2024.107241] [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: 01/15/2024] [Revised: 02/16/2024] [Accepted: 02/23/2024] [Indexed: 03/06/2024]
Abstract
The discovery of new small molecule-based inhibitors is an attractive field in medicinal chemistry. Structurally diversified heterocyclic derivatives have been investigated to combat multi-drug resistant bacterial infections and they offers several mechanism of action. Methicillin-resistant Staphylococcus aureus (MRSA) is becoming more and more deadly to humans because of its simple method of transmission, quick development of antibiotic resistance, and ability to cause hard-to-treat skin and filmy diseases. The sulfur (SVI) particularly sulfonyl and sulfonamide based heterocyclic moieties, have found to be good anti-MRSA agents. The development of new nontoxic, economical and highly active sulfur (SVI) containing derivatives has become hot research topics in drug discovery research. Presently, more than 150 FDA approved Sulfur (SVI)-based drugs are available in the market, and they are widely used to treat various types of diseases with different therapeutic potential. The present collective data provides the latest advancements in Sulfur (SVI)-hybrid compounds as antibacterial agents against MRSA. It also examines the outcomes of in-vitro and in-vivo investigations, exploring potential mechanisms of action and offering alternative perspectives on the structure-activity relationship (SAR). Sulfur (SVI)-hybrids exhibits synergistic effects with existing drugs to provide antibacterial action against MRSA.
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Affiliation(s)
| | - Shobith Rangappa
- Adichunchanagiri Institute for Molecular Medicine, Adichunchanagiri Institute of Medical Sciences, Adichunchanagiri University, B. G. Nagar 571448, India
| | - Rameshwari Verma
- School of New Energy, Yulin University, Yulin 719000, Shaanxi, PR China.
| | - Fan Xue
- Shaanxi Key Laboratory of Low Metamorphic Coal Clean Utilization, Yulin University, Yulin 719000, PR China
| | - Shekhar Verma
- Department of Pharmacy, Guru Ghasidas Central University, Bilaspur 495009, Chhattisgarh, India
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Heng P, Shi B, Li D, Ou H, He Y, Zhou L. Rapid visualization molecular fluorescence detection of methicillin-resistant Staphylococcus aureus using the multiplex MIRA-qPCR method. Biotechnol J 2023; 18:e2300200. [PMID: 37626194 DOI: 10.1002/biot.202300200] [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: 05/05/2023] [Revised: 08/15/2023] [Accepted: 08/18/2023] [Indexed: 08/27/2023]
Abstract
Multidrug-resistant (MDR) bacterial infections constitute a major public health problem worldwide. A rapid method for the detection of methicillin-resistant Staphylococcus aureus (MRSA) is critical for the timely prevention of bacterial infections and the accurate clinical use of drugs. The nuc and mecA genes are potentially indicative of MRSA infection and in this study, a multiplex molecular fluorescence multi-enzyme isothermal rapid amplification visual assay was proposed and established. The method is capable of detecting MRSA at 17 min, 40°C amplification, and is well differentiated from common clinical bacteria in specific assays, with 500 colony-forming units (CFU) mL-1 of MRSA detected under optimal conditions. This method has excellent diagnostic capabilities versus classical methods to detect clinical samples and shows potential in the identification of pathogenic microorganisms in a clinical setting.
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Affiliation(s)
- Pengfei Heng
- State Key Laboratory of Southwestern Chinese Medicine Resources, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Bo Shi
- The Second Affiliated Hospital of Chengdu Medical College, China National Nuclear Corporation 416 Hospital, Chengdu, Sichuan, China
| | - Dongmei Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Hua Ou
- Department of Laboratory Medicine, People's Hospital of Xinjin District, Chengdu, Sichuan, China
| | - Yang He
- State Key Laboratory of Southwestern Chinese Medicine Resources, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Lili Zhou
- School of Laboratory Medicine, Chengdu Medical College, Chengdu, Sichuan, China
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Li XC, Sun L, Li T. Neonatal methicillin-resistant Staphylococcus aureus pneumonia-related recurrent fatal pyopneumothorax: A case report and review of literature. World J Clin Cases 2023; 11:7475-7484. [PMID: 37969452 PMCID: PMC10643081 DOI: 10.12998/wjcc.v11.i30.7475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/25/2023] [Accepted: 10/08/2023] [Indexed: 10/25/2023] Open
Abstract
BACKGROUND Although neonatal Staphylococcus aureus pneumonia is common and usually curable, it can also be refractory and life-threatening. Herein, we report a case of severe neonatal community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) necrotizing pneumonia with bilateral recurrent pyopneumothorax, respiratory failure, heart failure, and cardiac arrest. We hope our report will add to the understanding of this disease. CASE SUMMARY An 18-d-old boy presented with cough for five days, fever for three days, and dyspnea for two days. Preadmission chest radiograph revealed high-density shadows in both lungs. On admission, his oxygen saturation fluctuated around 90% under synchronized intermittent mandatory ventilation. He was unconscious, with dyspnea, weak heart sounds and hepatomegaly. Moist crackles were present throughout his left lung, while the breath sounds in the right lung were decreased. After high-frequency oscillatory ventilation, empiric antimicrobials (meropenem and vancomycin), improved circulation, and right pleural cavity drainage for right pneumothorax (approximately 90% compression), his oxygen saturation level stayed above 95%, and recruitment of the right lung was observed. His condition did not deteriorate until the 5th day of hospitalization (DOH 5). On the morning of DOH 5, his oxygen saturation decreased. Subsequent chest radiograph showed bilateral pneumothorax with nearly 100% compression of the left lung. Desaturation was not relieved after urgent left pleural cavity drainage, and cardiac arrest occurred soon thereafter. Although his spontaneous heartbeat returned through emergency resuscitation and salvage antibacterial therapy (linezolid and levofloxacin) was administered given the detection and antimicrobial susceptibility of MRSA, he showed no improvement, with recurrent pyopneumothorax and continued drainage of purulent fluid and necrotic lung tissue fragments from the pleural cavity. Eventually, his parents refused extracorporeal membrane oxygenation (ECMO) and gave up all the treatments, and the newborn passed away soon after withdrawal on DOH 13. CONCLUSION Neonatal MRSA pneumonia can be refractory and lethal, especially in cases where necrotizing pneumonia leads to extensive lung necrosis and recurrent pneumothorax. Despite treatment with linezolid and other medical measures, it may still be ineffective. Currently, ECMO has been a remedial therapy, but if the lung tissue is too severely eroded to be repaired, it may be useless unless the infection can be controlled and lung transplantation can be performed. Regardless of whether ECMO is initiated, the key to successful treatment is to achieve control over the pneumonia caused by MRSA as soon as possible and to reverse lung injury as much as possible.
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Affiliation(s)
- Xing-Chao Li
- Department of Pediatrics, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, Hubei Province, China
- Institute of Pediatric Research, Hubei University of Medicine, Shiyan 442000, Hubei Province, China
- Institute of Pediatric Research, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, Hubei Province, China
| | - Li Sun
- Department of Pediatrics, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, Hubei Province, China
| | - Tao Li
- Department of Pediatrics, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, Hubei Province, China
- Institute of Pediatric Research, Hubei University of Medicine, Shiyan 442000, Hubei Province, China
- Institute of Pediatric Research, Taihe Hospital, Hubei University of Medicine, Shiyan 442000, Hubei Province, China
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Ambade SS, Gupta VK, Bhole RP, Khedekar PB, Chikhale RV. A Review on Five and Six-Membered Heterocyclic Compounds Targeting the Penicillin-Binding Protein 2 (PBP2A) of Methicillin-Resistant Staphylococcus aureus (MRSA). Molecules 2023; 28:7008. [PMID: 37894491 PMCID: PMC10609489 DOI: 10.3390/molecules28207008] [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: 09/08/2023] [Revised: 10/05/2023] [Accepted: 10/05/2023] [Indexed: 10/29/2023] Open
Abstract
Staphylococcus aureus is a common human pathogen. Methicillin-resistant Staphylococcus aureus (MRSA) infections pose significant and challenging therapeutic difficulties. MRSA often acquires the non-native gene PBP2a, which results in reduced susceptibility to β-lactam antibiotics, thus conferring resistance. PBP2a has a lower affinity for methicillin, allowing bacteria to maintain peptidoglycan biosynthesis, a core component of the bacterial cell wall. Consequently, even in the presence of methicillin or other antibiotics, bacteria can develop resistance. Due to genes responsible for resistance, S. aureus becomes MRSA. The fundamental premise of this resistance mechanism is well-understood. Given the therapeutic concerns posed by resistant microorganisms, there is a legitimate demand for novel antibiotics. This review primarily focuses on PBP2a scaffolds and the various screening approaches used to identify PBP2a inhibitors. The following classes of compounds and their biological activities are discussed: Penicillin, Cephalosporins, Pyrazole-Benzimidazole-based derivatives, Oxadiazole-containing derivatives, non-β-lactam allosteric inhibitors, 4-(3H)-Quinazolinones, Pyrrolylated chalcone, Bis-2-Oxoazetidinyl macrocycles (β-lactam antibiotics with 1,3-Bridges), Macrocycle-embedded β-lactams as novel inhibitors, Pyridine-Coupled Pyrimidinones, novel Naphthalimide corbelled aminothiazoximes, non-covalent inhibitors, Investigational-β-lactam antibiotics, Carbapenem, novel Benzoxazole derivatives, Pyrazolylpyridine analogues, and other miscellaneous classes of scaffolds for PBP2a. Additionally, we discuss the penicillin-binding protein, a crucial target in the MRSA cell wall. Various aspects of PBP2a, bacterial cell walls, peptidoglycans, different crystal structures of PBP2a, synthetic routes for PBP2a inhibitors, and future perspectives on MRSA inhibitors are also explored.
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Affiliation(s)
- Shraddha S. Ambade
- Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur 440033, MH, India (P.B.K.)
| | - Vivek Kumar Gupta
- Department of Biochemistry, National JALMA Institute for Leprosy & Other Mycobacterial Diseases (ICMR), Agra 282004, UP, India
| | - Ritesh P. Bhole
- Dr. D. Y. Patil Institute of Pharmaceutical Sciences and Research, Pimpri, Pune 411018, MH, India
- Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune 411018, MH, India
| | - Pramod B. Khedekar
- Department of Pharmaceutical Sciences, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur 440033, MH, India (P.B.K.)
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Wang Y, Zhang P, Wu J, Chen S, Jin Y, Long J, Duan G, Yang H. Transmission of livestock-associated methicillin-resistant Staphylococcus aureus between animals, environment, and humans in the farm. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:86521-86539. [PMID: 37418185 DOI: 10.1007/s11356-023-28532-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 06/28/2023] [Indexed: 07/08/2023]
Abstract
Staphylococcus aureus (S. aureus) is a fearsome bacterial pathogen that can colonize and infect humans and animals. Depending on the different sources, MRSA is classified as hospital-associated methicillin-resistant S. aureus (HA-MRSA), community-associated MRSA (CA-MRSA), and livestock-associated MRSA (LA-MRSA). LA-MRSA is initially associated with livestock, and clonal complexes (CCs) were almost always 398. However, the continued development of animal husbandry, globalization, and the widespread use of antibiotics have increased the spread of LA-MRSA among humans, livestock, and the environment, and other clonal complexes such as CC9, CC5, and CC8 have gradually emerged in various countries. This may be due to frequent host switching between humans and animals, as well as between animals. Host-switching is typically followed by subsequent adaptation through acquisition and/or loss of mobile genetic elements (MGEs) such as phages, pathogenicity islands, and plasmids as well as further host-specific mutations allowing it to expand into new host populations. This review aimed to provide an overview of the transmission characteristics of S. aureus in humans, animals, and farm environments, and also to describe the main prevalent clones of LA-MRSA and the changes in MGEs during host switching.
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Affiliation(s)
- Ying Wang
- Department of Epidemiology, College of Public Health, Zhengzhou University, No. 100 of Science Avenue, Zhengzhou, 450001, China
| | - Peihua Zhang
- Department of Epidemiology, College of Public Health, Zhengzhou University, No. 100 of Science Avenue, Zhengzhou, 450001, China
| | - Jian Wu
- Department of Epidemiology, College of Public Health, Zhengzhou University, No. 100 of Science Avenue, Zhengzhou, 450001, China
| | - Shuaiyin Chen
- Department of Epidemiology, College of Public Health, Zhengzhou University, No. 100 of Science Avenue, Zhengzhou, 450001, China
| | - Yuefei Jin
- Department of Epidemiology, College of Public Health, Zhengzhou University, No. 100 of Science Avenue, Zhengzhou, 450001, China
| | - Jinzhao Long
- Department of Epidemiology, College of Public Health, Zhengzhou University, No. 100 of Science Avenue, Zhengzhou, 450001, China
| | - Guangcai Duan
- Department of Epidemiology, College of Public Health, Zhengzhou University, No. 100 of Science Avenue, Zhengzhou, 450001, China
| | - Haiyan Yang
- Department of Epidemiology, College of Public Health, Zhengzhou University, No. 100 of Science Avenue, Zhengzhou, 450001, China.
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da Rosa TF, Serafin MB, Foletto VS, Franco LN, de Paula BR, Fuchs LB, Calegari L, Hörner R. Repositioning of Benzodiazepine Drugs and Synergistic Effect with Ciprofloxacin Against ESKAPE Pathogens. Curr Microbiol 2023; 80:160. [PMID: 37004588 DOI: 10.1007/s00284-023-03242-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 02/23/2023] [Indexed: 04/04/2023]
Abstract
Infectious diseases are among the leading causes of morbidity and mortality worldwide. Combating them becomes more complex when caused by the pathogens of the ESKAPE group, which are Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa and Enterobacter spp. The purpose of this study was to investigate the repositioning potential of the benzodiazepines clonazepam and diazepam individually and in combination with the antibacterial ciprofloxacin against ESKAPE. The minimum inhibitory concentration and minimum bactericidal concentration against seven American Type Culture Collection (ATCC) reference standard strains and 64 ESKAPE clinical isolates were determined. In addition, the interaction with ciprofloxacin was determined by the checkerboard method and fractional inhibitory concentration index (FICI) of clonazepam against 11 ESKAPE and diazepam against five ESKAPE. We also list the results found and their clinical significance. Benzodiazepines showed similar antibacterial activity against Gram-positive and Gram-negative. The checkerboard and FICI results showed a synergistic effect of these drugs when associated with ciprofloxacin against almost all tested isolates. Viewing the clinical cases studied, benzodiazepines have potential as treatment alternatives. The results allow us to conclude that clonazepam and diazepam, when in combination with ciprofloxacin, have promising activity against ESKAPE, therefore, assuming the position of candidates for repositioning.
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Affiliation(s)
- Taciéli F da Rosa
- Laboratory of Bacteriology, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
- Department of Clinical and Toxicological Analysis, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Marissa B Serafin
- Laboratory of Bacteriology, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
- Department of Clinical and Toxicological Analysis, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Vitória S Foletto
- Laboratory of Bacteriology, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
- Department of Clinical and Toxicological Analysis, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Laísa N Franco
- Laboratory of Bacteriology, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
- Department of Clinical and Toxicological Analysis, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Bruno R de Paula
- Laboratory of Bacteriology, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
- Department of Clinical and Toxicological Analysis, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Luana B Fuchs
- Laboratory of Bacteriology, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
- Department of Clinical and Toxicological Analysis, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Luciano Calegari
- University Hospital of Santa Maria, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Rosmari Hörner
- Laboratory of Bacteriology, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil.
- Department of Clinical and Toxicological Analysis, Health Sciences Center, Federal University of Santa Maria, Santa Maria, RS, Brazil.
- Bacteriology Laboratory, Department of Clinical and Toxicological Analysis (DACT)-Health Sciences Center (CCS)., Building 26, Room 1201, UFSM, Santa Maria, RS, 97105-900, Brazil.
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Hryhoriv H, Kovalenko SM, Georgiyants M, Sidorenko L, Georgiyants V. A Comprehensive Review on Chemical Synthesis and Chemotherapeutic Potential of 3-Heteroaryl Fluoroquinolone Hybrids. Antibiotics (Basel) 2023; 12:antibiotics12030625. [PMID: 36978492 PMCID: PMC10045242 DOI: 10.3390/antibiotics12030625] [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: 02/27/2023] [Revised: 03/16/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
Fluoroquinolones have been studied for more than half a century. Since the 1960s, four generations of these synthetic antibiotics have been created and successfully introduced into clinical practice. However, they are still of interest for medicinal chemistry due to the wide possibilities for chemical modification, with subsequent useful changes in the pharmacokinetics and pharmacodynamics of the initial molecules. This review summarizes the chemical and pharmacological results of fluoroquinolones hybridization by introducing different heterocyclic moieties into position 3 of the core system. It analyses the synthetic procedures and approaches to the formation of heterocycles from the fluoroquinolone carboxyl group and reveals the most convenient ways for such procedures. Further, the results of biological activity investigations for the obtained hybrid pharmacophore systems are presented. The latter revealed numerous promising molecules that can be further studied to overcome the problem of resistance to antibiotics, to find novel anticancer agents and more.
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Affiliation(s)
- Halyna Hryhoriv
- Pharmaceutical Chemistry Department, National University of Pharmacy, 61002 Kharkiv, Ukraine
| | - Sergiy M Kovalenko
- Organic Chemistry Department, Karazin National University, 61022 Kharkiv, Ukraine
| | - Marine Georgiyants
- Department of Anesthesiology Intensive Therapy and Pediatrics Anesthesiology, Kharkiv National Medical University, 61022 Kharkiv, Ukraine
| | - Lyudmila Sidorenko
- Pharmaceutical Chemistry Department, National University of Pharmacy, 61002 Kharkiv, Ukraine
| | - Victoriya Georgiyants
- Pharmaceutical Chemistry Department, National University of Pharmacy, 61002 Kharkiv, Ukraine
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Schultz JR, Costa SK, Jachak GR, Hegde P, Zimmerman M, Pan Y, Josten M, Ejeh C, Hammerstad T, Sahl HG, Pereira PM, Pinho MG, Dartois V, Cheung A, Aldrich CC. Identification of 5-(Aryl/Heteroaryl)amino-4-quinolones as Potent Membrane-Disrupting Agents to Combat Antibiotic-Resistant Gram-Positive Bacteria. J Med Chem 2022; 65:13910-13934. [PMID: 36219779 PMCID: PMC9826610 DOI: 10.1021/acs.jmedchem.2c01151] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Nosocomial infections caused by resistant Gram-positive organisms are on the rise, presumably due to a combination of factors including prolonged hospital exposure, increased use of invasive procedures, and pervasive antibiotic therapy. Although antibiotic stewardship and infection control measures are helpful, newer agents against multidrug-resistant (MDR) Gram-positive bacteria are urgently needed. Here, we describe our efforts that led to the identification of 5-amino-4-quinolone 111 with exceptionally potent Gram-positive activity with minimum inhibitory concentrations (MICs) ≤0.06 μg/mL against numerous clinical isolates. Preliminary mechanism of action and resistance studies demonstrate that the 5-amino-4-quinolones are bacteriostatic, do not select for resistance, and selectively disrupt bacterial membranes. While the precise molecular mechanism has not been elucidated, the lead compound is nontoxic displaying a therapeutic index greater than 500, is devoid of hemolytic activity, and has attractive physicochemical properties (clog P = 3.8, molecular weight (MW) = 441) that warrant further investigation of this promising antibacterial scaffold for the treatment of Gram-positive infections.
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Affiliation(s)
- John R Schultz
- Department of Medicinal Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Stephen K Costa
- Department of Microbiology & Immunology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire 03755, United States
| | - Gorakhnath R Jachak
- Department of Medicinal Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Pooja Hegde
- Department of Medicinal Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Matthew Zimmerman
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, New Jersey 07110, United States
| | - Yan Pan
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, New Jersey 07110, United States
| | - Michaele Josten
- Institute for Pharmaceutical Microbiology and Institute for Medical Microbiology, Immunology, and Parasitology, University of Bonn, D-53115 Bonn, Germany
| | - Chinedu Ejeh
- Department of Microbiology & Immunology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire 03755, United States
| | - Travis Hammerstad
- Department of Medicinal Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Hans Georg Sahl
- Institute for Pharmaceutical Microbiology and Institute for Medical Microbiology, Immunology, and Parasitology, University of Bonn, D-53115 Bonn, Germany
| | - Pedro M Pereira
- Bacterial Cell Biology Laboratory, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Avenida da República (EAN), 2781-901 Oeiras, Portugal
| | - Mariana G Pinho
- Bacterial Cell Biology Laboratory, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Avenida da República (EAN), 2781-901 Oeiras, Portugal
| | - Véronique Dartois
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, New Jersey 07110, United States
| | - Ambrose Cheung
- Department of Microbiology & Immunology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire 03755, United States
| | - Courtney C Aldrich
- Department of Medicinal Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
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10
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New potent ciprofloxacin-uracil conjugates as DNA gyrase and topoisomerase IV inhibitors against methicillin-resistant Staphylococcus aureus. Bioorg Med Chem 2022; 73:117004. [PMID: 36148773 DOI: 10.1016/j.bmc.2022.117004] [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: 06/19/2022] [Revised: 09/07/2022] [Accepted: 09/08/2022] [Indexed: 11/20/2022]
Abstract
A series of ciprofloxacin-uracil conjugates 5a-t were synthesized and identified by 1H NMR, 13C NMR, mass spectroscopy and elemental analyses. The antibacterial results revealed that the new derivatives exhibited better activity against Gram-positive than the Gram-negative strains; most of the target compounds exhibited good activities against S. aureus ATCC 6538. Compounds 5b and 5g possess the highest activities with MICs of 1.25 and 2.37 µM, respectively, which are more potent than the parent drug ciprofloxacin, MIC, 7.58 µM. In addition, they also exhibited potent activities against MRSA AUMC 261 with MICs, 0.031 and 0.046 µM respectively, higher than ciprofloxacin with MIC, 0.57 µM. Moreover, compounds 5b and 5g showed potent inhibitory activities against DNA gyrase (IC50 = 1.72 and 5.72 µM) and topoisomerase IV (4.36 and 7.77 µM) compared to ciprofloxacin with IC50 values 0.66 and 8.16 µM, respectively. The molecular docking study revealed that compounds 5b and 5g may formed stable interaction with the active sites of DNA gyrase and topoisomerase IV similar to ciprofloxacin. Hence, 5b and 5g are considered promising antibacterial candidated against MRSA AUMC 261 strains that requires further optimization.
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Simonetti SO, Kaufman TS, Larghi EL. Conjugation of Carbohydrates with Quinolines: A Powerful Synthetic Tool. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Sebastián O. Simonetti
- Instituto de Química Rosario: Instituto de Quimica Rosario Química Orgánica Suipacha 531 S2002LRK Rosario ARGENTINA
| | - Teodoro S. Kaufman
- Instituto de Química Rosario: Instituto de Quimica Rosario Química Orgánica Suipacha 531 S2002LRK Rosario ARGENTINA
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Bier E, Nizet V. Driving to Safety: CRISPR-Based Genetic Approaches to Reducing Antibiotic Resistance. Trends Genet 2021; 37:745-757. [PMID: 33745750 DOI: 10.1016/j.tig.2021.02.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 02/23/2021] [Accepted: 02/23/2021] [Indexed: 02/07/2023]
Abstract
Bacterial resistance to antibiotics has reached critical levels, skyrocketing in hospitals and the environment and posing a major threat to global public health. The complex and challenging problem of reducing antibiotic resistance (AR) requires a network of both societal and science-based solutions to preserve the most lifesaving pharmaceutical intervention known to medicine. In addition to developing new classes of antibiotics, it is essential to safeguard the clinical efficacy of existing drugs. In this review, we examine the potential application of novel CRISPR-based genetic approaches to reducing AR in both environmental and clinical settings and prolonging the utility of vital antibiotics.
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Affiliation(s)
- Ethan Bier
- Tata Institute for Genetics and Society, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0349, USA; Section of Cell and Developmental Biology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0349, USA.
| | - Victor Nizet
- Tata Institute for Genetics and Society, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0349, USA; Collaborative to Halt Antibiotic-Resistant Microbes, Department of Pediatrics, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0687, USA; Skaggs School of Pharmacy & Pharmaceutical Sciences, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0687, USA
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da Rocha LF, Pippi B, Joaquim AR, de Andrade SF, Fuentefria AM. 8-hydroxyquinoline-5-(N-4-chlorophenyl) sulfonamide and fluconazole combination as a preventive strategy for Candida biofilm in haemodialysis devices. J Med Microbiol 2021; 70. [PMID: 34259620 DOI: 10.1099/jmm.0.001377] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Introduction. The presence of Candida biofilms in medical devices is a concerning and important clinical issue for haemodialysis patients who require constant use of prosthetic fistulae and catheters.Hypothesis/Gap Statement. This prolonged use increases the risk of candidaemia due to biofilm formation. PH151 and clioquinol are 8-hydroxyquinoline derivatives that have been studied by our group and showed interesting anti-Candida activity.Aim. This study evaluated the biofilm formation capacity of Candida species on polytetrafluoroethylene (PTFE) and polyurethane (PUR) and investigated the synergistic effects between the compounds PH151 and clioquinol and fluconazole, amphotericin B and caspofungin against biofilm cells removed from those materials. Further, the synergistic combination was evaluated in terms of preventing biofilm formation on PTFE and PUR discs.Methodology. Susceptibility testing was performed for planktonic and biofilm cells using the broth microdilution method. The checkerboard method and the time-kill assay were used to evaluate the interactions between antifungal agents. Antibiofilm activity on PTFE and PUR materials was assessed to quantify the prevention of biofilm formation.Results. Candida albicans, Candida glabrata and Candida tropicalis showed ability to form biofilms on both materials. By contrast, Candida parapsilosis did not demonstrate this ability. Synergistic interaction was observed when PH151 was combined with fluconazole in 77.8 % of isolates and this treatment was shown to be concentration- and time-dependent. On the other hand, indifferent interactions were predominantly observed with the other combinations. A reduction in biofilm formation on PUR material of more than 50 % was observed when using PH151 combined with fluconazole.Conclusion. PH151 demonstrated potential as a local treatment for use in a combination therapy approach against Candida biofilm formation on haemodialysis devices.
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Affiliation(s)
- Letícia Fernandes da Rocha
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Laboratório de Micologia Aplicada, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Bruna Pippi
- Laboratório de Micologia Aplicada, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Angélica Rocha Joaquim
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Saulo Fernandes de Andrade
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Programa de Pós-Graduação em Microbiologia Agrícola e do Ambiente, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Alexandre Meneghello Fuentefria
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Programa de Pós-Graduação em Microbiologia Agrícola e do Ambiente, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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Ibrahim YM, Abouwarda AM, Nasr T, Omar FA, Bondock S. Antibacterial and anti-quorum sensing activities of a substituted thiazole derivative against methicillin-resistant Staphylococcus aureus and other multidrug-resistant bacteria. Microb Pathog 2020; 149:104500. [DOI: 10.1016/j.micpath.2020.104500] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 08/16/2020] [Accepted: 09/07/2020] [Indexed: 10/23/2022]
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Mirzaie A, Peirovi N, Akbarzadeh I, Moghtaderi M, Heidari F, Yeganeh FE, Noorbazargan H, Mirzazadeh S, Bakhtiari R. Preparation and optimization of ciprofloxacin encapsulated niosomes: A new approach for enhanced antibacterial activity, biofilm inhibition and reduced antibiotic resistance in ciprofloxacin-resistant methicillin-resistance Staphylococcus aureus. Bioorg Chem 2020; 103:104231. [DOI: 10.1016/j.bioorg.2020.104231] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 07/02/2020] [Accepted: 08/08/2020] [Indexed: 12/13/2022]
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