1
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Renan Oliveira L, Sá Magalhães Serafim M, Lanza Dias D, Freitas TR, Abrahao JS, de Medeiros Antar G, Mota BEF, Sabino ADP, Pains Duarte L, Vidal DM, Faria de Sousa G. Isolation and In Vitro Biological Evaluation of Triterpenes from Salacia grandifolia Leaves. ACS OMEGA 2024; 9:32153-32158. [PMID: 39072124 PMCID: PMC11270730 DOI: 10.1021/acsomega.4c04360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 07/02/2024] [Accepted: 07/03/2024] [Indexed: 07/30/2024]
Abstract
Salacia grandifolia is naturally found in the Atlantic Forest regions of Brazil. Despite the pharmacological potential of plants from the Salacia genus, phytochemical studies on this species have not been reported in literature. A new triterpene, 28-hydroxyfriedelane-3,15-dione (1), and seven known compounds (friedelan-3-one (2), friedelan-3β-ol (3), friedelane-3,15-dione (4), 15α-hydroxyfriedelan-3-one (5), 28-hydroxyfriedelan-3-one (6), 30-hydroxyfriedelan-3-one (7), and 29-hydroxyfriedelan-3-one (8)) were obtained from the hexane extract of Salacia grandifolia leaves. These isolated compounds and three extracts, hexane (EH), chloroform (EC), and ethyl acetate (EAE), were assessed for their potential biological activities, which consisted in the evaluation of antiviral activity against a murine coronavirus, mouse hepatitis virus 3 (MHV-3), antibacterial activity against the susceptible and methicillin-resistant Staphylococcus aureus (MRSA), and antileukemia activity against the THP-1 and K-562 cell lines. The extracts EH and EAE along with the triterpenes 1 and 6 exhibited moderate to high antiviral activity, with emphasis on 6, which presented an EC50 value of 2.9 ± 0.3 μM. None of the compounds presented antibacterial activity against the tested strains. The evaluated compounds 1, 4, 6 and 7 exhibited low cytotoxic activity against the tested leukemia cell lines. Taken together, this study comprises an overview for the potential of the Salacia grandifolia biological activities, including a new isolated triterpene.
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Affiliation(s)
- Leila Renan Oliveira
- Departamento
de Química, Universidade Federal
de Minas Gerais, Belo Horizonte ,MG 31270-901, Brazil
| | - Mateus Sá Magalhães Serafim
- Departamento
de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte ,MG 31270-901, Brazil
| | - Diego Lanza Dias
- Departamento
de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte ,MG 31270-901, Brazil
| | - Túlio Resende Freitas
- Departamento
de Análises Clínicas e Toxicológicas, Faculdade
de Farmácia, Universidade Federal
de Minas Gerais, Belo Horizonte ,MG 31270-901, Brazil
| | - Jonatas Santos Abrahao
- Departamento
de Análises Clínicas e Toxicológicas, Faculdade
de Farmácia, Universidade Federal
de Minas Gerais, Belo Horizonte ,MG 31270-901, Brazil
| | - Guilherme de Medeiros Antar
- Departamento
de Ciências Agrárias e Biológicas, Universidade Federal do Espírito Santo - Campus
São Mateus, São Mateus ,ES 29932-540, Brazil
| | - Bruno E. F. Mota
- Departamento
de Análises Clínicas e Toxicológicas, Faculdade
de Farmácia, Universidade Federal
de Minas Gerais, Belo Horizonte ,MG 31270-901, Brazil
| | - Adriano de Paula Sabino
- Departamento
de Análises Clínicas e Toxicológicas, Faculdade
de Farmácia, Universidade Federal
de Minas Gerais, Belo Horizonte ,MG 31270-901, Brazil
| | - Lucienir Pains Duarte
- Departamento
de Química, Universidade Federal
de Minas Gerais, Belo Horizonte ,MG 31270-901, Brazil
| | - Diogo Montes Vidal
- Departamento
de Química, Universidade Federal
de Minas Gerais, Belo Horizonte ,MG 31270-901, Brazil
| | - Grasiely Faria de Sousa
- Departamento
de Química, Universidade Federal
de Minas Gerais, Belo Horizonte ,MG 31270-901, Brazil
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2
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Fernandes PO, Dias ALT, Dos Santos Júnior VS, Sá Magalhães Serafim M, Sousa YV, Monteiro GC, Coutinho ID, Valli M, Verzola MMSA, Ottoni FM, Pádua RMD, Oda FB, Dos Santos AG, Andricopulo AD, da Silva Bolzani V, Mota BEF, Alves RJ, de Oliveira RB, Kronenberger T, Maltarollo VG. Machine Learning-Based Virtual Screening of Antibacterial Agents against Methicillin-Susceptible and Resistant Staphylococcus aureus. J Chem Inf Model 2024; 64:1932-1944. [PMID: 38437501 DOI: 10.1021/acs.jcim.4c00087] [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: 03/06/2024]
Abstract
The application of computer-aided drug discovery (CADD) approaches has enabled the discovery of new antimicrobial therapeutic agents in the past. The high prevalence of methicillin-resistantStaphylococcus aureus(MRSA) strains promoted this pathogen to a high-priority pathogen for drug development. In this sense, modern CADD techniques can be valuable tools for the search for new antimicrobial agents. We employed a combination of a series of machine learning (ML) techniques to select and evaluate potential compounds with antibacterial activity against methicillin-susceptible S. aureus (MSSA) and MRSA strains. In the present study, we describe the antibacterial activity of six compounds against MSSA and MRSA reference (American Type Culture Collection (ATCC)) strains as well as two clinical strains of MRSA. These compounds showed minimal inhibitory concentrations (MIC) in the range from 12.5 to 200 μM against the different bacterial strains evaluated. Our results constitute relevant proven ML-workflow models to distinctively screen for novel MRSA antibiotics.
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Affiliation(s)
- Philipe Oliveira Fernandes
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais 31.270-901, Brazil
| | - Anna Letícia Teotonio Dias
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais 31.270-901, Brazil
| | - Valtair Severino Dos Santos Júnior
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais 31.270-901, Brazil
| | - Mateus Sá Magalhães Serafim
- Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais 31.270-901, Brazil
| | - Yamara Viana Sousa
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais 31.270-901, Brazil
| | - Gustavo Claro Monteiro
- Departamento de Química Orgânica, Instituto de Química, Universidade Estadual Paulista (UNESP), Araraquara, São Paulo 14.800-900, Brazil
| | - Isabel Duarte Coutinho
- Departamento de Química Orgânica, Instituto de Química, Universidade Estadual Paulista (UNESP), Araraquara, São Paulo 14.800-900, Brazil
| | - Marilia Valli
- Departamento de Física e Ciência Interdisciplinar, Instituto de Física, Universidade de São Paulo (USP), São Carlos, São Paulo 13.563-120, Brazil
| | - Marina Mol Sena Andrade Verzola
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais 31.270-901, Brazil
| | - Flaviano Melo Ottoni
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais 31.270-901, Brazil
| | - Rodrigo Maia de Pádua
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais 31.270-901, Brazil
| | - Fernando Bombarda Oda
- Departamento de Fármacos e Medicamentos, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista (UNESP), Araraquara 14.800-903, Brazil
| | - André Gonzaga Dos Santos
- Departamento de Fármacos e Medicamentos, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista (UNESP), Araraquara 14.800-903, Brazil
| | - Adriano Defini Andricopulo
- Departamento de Física e Ciência Interdisciplinar, Instituto de Física, Universidade de São Paulo (USP), São Carlos, São Paulo 13.563-120, Brazil
| | - Vanderlan da Silva Bolzani
- Departamento de Química Orgânica, Instituto de Química, Universidade Estadual Paulista (UNESP), Araraquara, São Paulo 14.800-900, Brazil
| | - Bruno Eduardo Fernandes Mota
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Farmácia, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais 31.270-901, Brazil
| | - Ricardo José Alves
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais 31.270-901, Brazil
| | - Renata Barbosa de Oliveira
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais 31.270-901, Brazil
| | - Thales Kronenberger
- Institute of Pharmacy, Pharmaceutical/Medicinal Chemistry and Tübingen Center for Academic Drug Discovery, Eberhard Karls University Tübingen, 72076 Tübingen, Germany
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, 70211 Kuopio, Finland
| | - Vinícius Gonçalves Maltarollo
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais 31.270-901, Brazil
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Maltarollo VG, da Silva EB, Kronenberger T, Sena Andrade MM, de Lima Marques GV, Cândido Oliveira NJ, Santos LH, Oliveira Rezende Júnior CD, Cassiano Martinho AC, Skinner D, Fajtová P, M Fernandes TH, Silveira Dos Santos ED, Rodrigues Gazolla PA, Martins de Souza AP, da Silva ML, Dos Santos FS, Lavorato SN, Oliveira Bretas AC, Carvalho DT, Franco LL, Luedtke S, Giardini MA, Poso A, Dias LC, Podust LM, Alves RJ, McKerrow J, Andrade SF, Teixeira RR, Siqueira-Neto JL, O'Donoghue A, de Oliveira RB, Ferreira RS. Structure-based discovery of thiosemicarbazones as SARS-CoV-2 main protease inhibitors. Future Med Chem 2023; 15:959-985. [PMID: 37435731 DOI: 10.4155/fmc-2023-0034] [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: 07/13/2023] Open
Abstract
Aim: Discovery of novel SARS-CoV-2 main protease (Mpro) inhibitors using a structure-based drug discovery strategy. Materials & methods: Virtual screening employing covalent and noncovalent docking was performed to discover Mpro inhibitors, which were subsequently evaluated in biochemical and cellular assays. Results: 91 virtual hits were selected for biochemical assays, and four were confirmed as reversible inhibitors of SARS CoV-2 Mpro with IC50 values of 0.4-3 μM. They were also shown to inhibit SARS-CoV-1 Mpro and human cathepsin L. Molecular dynamics simulations indicated the stability of the Mpro inhibitor complexes and the interaction of ligands at the subsites. Conclusion: This approach led to the discovery of novel thiosemicarbazones as potent SARS-CoV-2 Mpro inhibitors.
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Affiliation(s)
- Vinícius Gonçalves Maltarollo
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, 31270-901, Brazil
| | - Elany Barbosa da Silva
- Skaggs School of Pharmacy & Pharmaceutical Sciences, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0657, USA
| | - Thales Kronenberger
- Institute of Pharmaceutical Sciences, Eberhard Karls Universität Tübingen, Tübingen 72076, Germany
- Cluster of Excellence iFIT (EXC 2180) 'Image-Guided & Functionally Instructed Tumor Therapies', University of Tübingen, Tübingen, 72076, Germany
- Tübingen Center for Academic Drug Discovery, Auf der Morgenstelle 8, Tübingen, 72076, Germany
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, 70211, Finland
| | - Marina Mol Sena Andrade
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, 31270-901, Brazil
| | - Gabriel V de Lima Marques
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, 31270-901, Brazil
| | - Nereu J Cândido Oliveira
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, 31270-901, Brazil
| | - Lucianna H Santos
- Department of Biochemistry & Immunology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Celso de Oliveira Rezende Júnior
- Instituto de Química, Universidade Federal de Uberlândia, Uberlândia, Minas Gerais, 38400-902, Brazil
- Instituto de Química, Universidade Estadual de Campinas, Campinas, São Paulo, 13083-970, Brazil
| | - Ana C Cassiano Martinho
- Instituto de Química, Universidade Federal de Uberlândia, Uberlândia, Minas Gerais, 38400-902, Brazil
| | - Danielle Skinner
- Skaggs School of Pharmacy & Pharmaceutical Sciences, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0657, USA
| | - Pavla Fajtová
- Skaggs School of Pharmacy & Pharmaceutical Sciences, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0657, USA
- Institute of Organic Chemistry & Biochemistry, Academy of Sciences of the Czech Republic, Prague, 16610, Czech Republic
| | - Thaís H M Fernandes
- Skaggs School of Pharmacy & Pharmaceutical Sciences, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0657, USA
- Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, 90160-093, Brazil
- Pharmaceutical Synthesis Group (PHARSG), Departamento de Produção de Matéria-Prima, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, 90160-093, Brazil
| | - Eduardo da Silveira Dos Santos
- Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, 90160-093, Brazil
- Pharmaceutical Synthesis Group (PHARSG), Departamento de Produção de Matéria-Prima, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, 90160-093, Brazil
| | - Poliana A Rodrigues Gazolla
- Grupo de Síntese e Pesquisa de Compostos Bioativos (GSPCB), Departamento de Química, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Ana P Martins de Souza
- Grupo de Síntese e Pesquisa de Compostos Bioativos (GSPCB), Departamento de Química, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Milene Lopes da Silva
- Grupo de Síntese e Pesquisa de Compostos Bioativos (GSPCB), Departamento de Química, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Fabíola S Dos Santos
- Grupo de Síntese e Pesquisa de Compostos Bioativos (GSPCB), Departamento de Química, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Stefânia N Lavorato
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, 31270-901, Brazil
- Centro das Ciências Biológicas e da Saúde, Universidade Federal do Oeste da Bahia, Barreiras, Bahia, 47810-047, Brazil
| | - Ana C Oliveira Bretas
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, 31270-901, Brazil
| | - Diogo Teixeira Carvalho
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, 31270-901, Brazil
| | - Lucas Lopardi Franco
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, 31270-901, Brazil
| | - Stephanie Luedtke
- Skaggs School of Pharmacy & Pharmaceutical Sciences, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0657, USA
| | - Miriam A Giardini
- Skaggs School of Pharmacy & Pharmaceutical Sciences, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0657, USA
| | - Antti Poso
- Institute of Pharmaceutical Sciences, Eberhard Karls Universität Tübingen, Tübingen 72076, Germany
- Cluster of Excellence iFIT (EXC 2180) 'Image-Guided & Functionally Instructed Tumor Therapies', University of Tübingen, Tübingen, 72076, Germany
- Tübingen Center for Academic Drug Discovery, Auf der Morgenstelle 8, Tübingen, 72076, Germany
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, 70211, Finland
| | - Luiz C Dias
- Instituto de Química, Universidade Estadual de Campinas, Campinas, São Paulo, 13083-970, Brazil
| | - Larissa M Podust
- Skaggs School of Pharmacy & Pharmaceutical Sciences, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0657, USA
| | - Ricardo J Alves
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, 31270-901, Brazil
| | - James McKerrow
- Skaggs School of Pharmacy & Pharmaceutical Sciences, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0657, USA
| | - Saulo F Andrade
- Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, 90160-093, Brazil
- Pharmaceutical Synthesis Group (PHARSG), Departamento de Produção de Matéria-Prima, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, 90160-093, Brazil
| | - Róbson R Teixeira
- Grupo de Síntese e Pesquisa de Compostos Bioativos (GSPCB), Departamento de Química, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Jair L Siqueira-Neto
- Skaggs School of Pharmacy & Pharmaceutical Sciences, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0657, USA
| | - Anthony O'Donoghue
- Skaggs School of Pharmacy & Pharmaceutical Sciences, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0657, USA
| | - Renata B de Oliveira
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, 31270-901, Brazil
| | - Rafaela S Ferreira
- Department of Biochemistry & Immunology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, 31270-901, Brazil
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Azevedo L, Serafim MSM, Maltarollo VG, Grabrucker AM, Granato D. Atherosclerosis fate in the era of tailored functional foods: Evidence-based guidelines elicited from structure- and ligand-based approaches. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.07.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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The Brazilian compound library (BraCoLi) database: a repository of chemical and biological information for drug design. Mol Divers 2022; 26:3387-3397. [PMID: 35089481 DOI: 10.1007/s11030-022-10386-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 01/13/2022] [Indexed: 10/19/2022]
Abstract
The Brazilian Compound Library (BraCoLi) is a novel open access and manually curated electronic library of compounds developed by Brazilian research groups to support further computer-aided drug design works, available on https://www.farmacia.ufmg.br/qf/downloads/ . Herein, the first version of the database is described comprising 1176 compounds. Also, the chemical diversity and drug-like profiles of BraCoLi were defined to analyze its chemical space. A significant amount of the compounds fitted Lipinski and Veber's rules, alongside other drug-likeness properties. A comparison using principal component analysis showed that BraCoLi is similar to other databases (FDA-approved drugs and NuBBEDB) regarding structural and physicochemical patterns. Furthermore, a scaffold analysis showed that BraCoLi presents several privileged chemical skeletons with great diversity. Despite the similar distribution in the structural and physicochemical spaces, Tanimoto coefficient values indicated that compounds present in the BraCoLi are generally different from the two other databases, where they showed different kernel distributions and low similarity. These facts show an interesting innovative aspect, which is a desirable feature for novel drug design purposes.
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Cui X, Lü Y, Yue C. Development and Research Progress of Anti-Drug Resistant Bacteria Drugs. Infect Drug Resist 2022; 14:5575-5593. [PMID: 34992385 PMCID: PMC8711564 DOI: 10.2147/idr.s338987] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/12/2021] [Indexed: 01/10/2023] Open
Abstract
Bacterial resistance has become increasingly serious because of the widespread use and abuse of antibiotics. In particular, the emergence of multidrug-resistant bacteria has posed a serious threat to human public health and attracted the attention of the World Health Organization (WHO) and the governments of various countries. Therefore, the establishment of measures against bacterial resistance and the discovery of new antibacterial drugs are increasingly urgent to better contain the emergence of bacterial resistance and provide a reference for the development of new antibacterial drugs. In this review, we discuss some antibiotic drugs that have been approved for clinical use and a partial summary of the meaningful research results of anti-drug resistant bacterial drugs in different fields, including the antibiotic drugs approved by the FDA from 2015 to 2020, the potential drugs against drug-resistant bacteria, the new molecules synthesized by chemical modification, combination therapy, drug repurposing, immunotherapy and other therapies.
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Affiliation(s)
- Xiangyi Cui
- Key Laboratory of Microbial Drugs Innovation and Transformation of Yan'an, School of Basic Medicine, Yan'an University, Yan'an, 716000, Shaanxi, People's Republic of China
| | - Yuhong Lü
- Key Laboratory of Microbial Drugs Innovation and Transformation of Yan'an, School of Basic Medicine, Yan'an University, Yan'an, 716000, Shaanxi, People's Republic of China.,Shaanxi Engineering & Technological Research Center for Conversation & Utilization of Regional Biological Resources, Yan'an University, Yan'an, 716000, Shaanxi, People's Republic of China
| | - Changwu Yue
- Key Laboratory of Microbial Drugs Innovation and Transformation of Yan'an, School of Basic Medicine, Yan'an University, Yan'an, 716000, Shaanxi, People's Republic of China.,Shaanxi Engineering & Technological Research Center for Conversation & Utilization of Regional Biological Resources, Yan'an University, Yan'an, 716000, Shaanxi, People's Republic of China
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7
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Mechken KA, Menouar M, Belkhodja M, Saidi-Besbes S. Synthesis, surface properties and bioactivity of novel 4-Substituted 1,2,3-Triazole quaternary ammonium surfactants. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116775] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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9
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Design of Organoiron Dendrimers Containing Paracetamol for Enhanced Antibacterial Efficacy. MOLECULES (BASEL, SWITZERLAND) 2020; 25:molecules25194514. [PMID: 33023084 PMCID: PMC7583835 DOI: 10.3390/molecules25194514] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 09/28/2020] [Accepted: 09/28/2020] [Indexed: 11/22/2022]
Abstract
Paracetamol (acetaminophen) is a common painkiller and antipyretic drug used globally. Attachment of paracetamol to a series of organoiron dendrimers was successfully synthesized. The aim of this study is to combine the benefits of the presence of these redox-active organoiron dendrimers, their antimicrobial activities against some human pathogenic Gram-positive, and the therapeutic characteristics of paracetamol. The antimicrobial activity of these dendrimers was investigated and tested with a minimum inhibitory concentration and this has been reported. Some of these newly synthesized dendrimers exhibited the highest inhibitory activity against methicillin-resistant Staphylococcus aureus (MRSA), vancomycin-resistant Enterococcus faecium (VRE), and Staphylococcus warneri compared to reference drugs. The results of this study indicate that the antimicrobial efficacy of the dendrimers is dependent on the size of the redox-active organoiron dendrimer and its terminal functionalities. The best result has been recorded for the fourth-generation dendrimer 11, which attached to 48 paracetamol end groups and has 90 units composed of the η6-aryl-η5-cyclopentadienyliron (II) complex. This dendrimer presented inhibition of 50% of the growth (IC50) of 0.52 μM for MRSA, 1.02 μM for VRE, and 0.73 μM for Staphylococcus warneri. The structures of the dendrimers were characterized by elemental analysis, Fourier transform infrared (FT-IR), nuclear magnetic resonance (1H-NMR), and 13C-NMR spectroscopic techniques. In addition, all synthesized dendrimers displayed good thermal stability in the range of 300–350 °C following the degradation of the cationic iron moieties which occurred around 200 °C.
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Gil-Gil T, Laborda P, Sanz-García F, Hernando-Amado S, Blanco P, Martínez JL. Antimicrobial resistance: A multifaceted problem with multipronged solutions. Microbiologyopen 2020; 8:e945. [PMID: 31724836 PMCID: PMC6855134 DOI: 10.1002/mbo3.945] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 09/19/2019] [Indexed: 12/12/2022] Open
Abstract
Infectious diseases still stand as a major cause of morbidity and mortality, and this problem can be worsened with the current antimicrobial resistance crisis. To tackle this crisis more studies analyzing the causes, routes, and reservoirs where antimicrobial resistance can emerge and expand, together with new antimicrobials and strategies for fighting antimicrobial resistance are needed. In the current special issue of MicrobiologyOpen, a set of articles dealing with the multiple faces of antimicrobial resistance are presented. These articles provide new information for understanding and addressing this problem.
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Affiliation(s)
| | - Pablo Laborda
- Centro Nacional de Biotecnología CSIC, Madrid, Spain
| | | | | | - Paula Blanco
- Centro Nacional de Biotecnología CSIC, Madrid, Spain
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Serafim MSM, Lavorato SN, Kronenberger T, Sousa YV, Oliveira GP, Dos Santos SG, Kroon EG, Maltarollo VG, Alves RJ, Mota BEF. Antibacterial activity of synthetic 1,3-bis(aryloxy)propan-2-amines against Gram-positive bacteria. Microbiologyopen 2019; 8:e814. [PMID: 30773849 PMCID: PMC6855212 DOI: 10.1002/mbo3.814] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 01/16/2019] [Accepted: 01/18/2019] [Indexed: 12/18/2022] Open
Abstract
Synthetic 1,3‐bis(aryloxy)propan‐2‐amines have been shown in previous studies to possess several biological activities, such as antifungal and antiprotozoal. In the present study, we describe the antibacterial activity of new synthetic 1,3‐bis(aryloxy)propan‐2‐amines against Gram‐positive pathogens (Streptococcus pyogenes, Enterococcus faecalis and Staphylococcus aureus) including Methicillin–resistant S. aureus strains. Our compounds showed minimal inhibitory concentrations (MIC) in the range of 2.5–10 μg/ml (5.99–28.58 μM), against different bacterial strains. The minimal bactericidal concentrations found were similar to MIC, suggesting a bactericidal mechanism of action of these compounds. Furthermore, possible molecular targets were suggested by chemical similarity search followed by docking approaches. Our compounds are similar to known ligands targeting the cell division protein FtsZ, Quinolone resistance protein norA and the Enoyl‐[acyl‐carrier‐protein] reductase FabI. Taken together, our data show that synthetic 1,3‐bis(aryloxy)propan‐2‐amines are active against Gram‐positive bacteria, including multidrug–resistant strains and can be a promising lead in the development of new antibacterial compounds for the treatment of these infections.
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Affiliation(s)
- Mateus S M Serafim
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Farmácia, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Stefânia N Lavorato
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Thales Kronenberger
- Department of Internal Medicine VIII, University Hospital Tübingen, Tübingen, Germany
| | - Yamara V Sousa
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Farmácia, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Graziele P Oliveira
- Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Simone G Dos Santos
- Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Erna G Kroon
- Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Vinícius G Maltarollo
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Ricardo J Alves
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Bruno E F Mota
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Farmácia, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
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