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Ma CX, Li Y, Liu WT, Li Y, Zhao F, Lian XT, Ding J, Liu SM, Liu XP, Fan BZ, Liu LY, Xue F, Li J, Zhang JR, Xue Z, Pei XT, Lin JZ, Liang JH. Synthetic macrolides overcoming MLS BK-resistant pathogens. Cell Discov 2024; 10:75. [PMID: 38992047 PMCID: PMC11239830 DOI: 10.1038/s41421-024-00702-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Accepted: 06/26/2024] [Indexed: 07/13/2024] Open
Abstract
Conventional macrolide-lincosamide-streptogramin B-ketolide (MLSBK) antibiotics are unable to counter the growing challenge of antibiotic resistance that is conferred by the constitutive methylation of rRNA base A2058 or its G2058 mutation, while the presence of unmodified A2058 is crucial for high selectivity of traditional MLSBK in targeting pathogens over human cells. The absence of effective modes of action reinforces the prevailing belief that constitutively antibiotic-resistant Staphylococcus aureus remains impervious to existing macrolides including telithromycin. Here, we report the design and synthesis of a novel series of macrolides, featuring the strategic fusion of ketolide and quinolone moieties. Our effort led to the discovery of two potent compounds, MCX-219 and MCX-190, demonstrating enhanced antibacterial efficacy against a broad spectrum of formidable pathogens, including A2058-methylated Staphylococcus aureus, Streptococcus pneumoniae, Streptococcus pyogenes, and notably, the clinical Mycoplasma pneumoniae isolates harboring A2058G mutations which are implicated in the recent pneumonia outbreak in China. Mechanistic studies reveal that the modified quinolone moiety of MCX-190 establishes a distinctive secondary binding site within the nascent peptide exit tunnel. Structure-activity relationship analysis underscores the importance of this secondary binding, maintained by a sandwich-like π-π stacking interaction and a water-magnesium bridge, for effective engagement with A2058-methylated ribosomes rather than topoisomerases targeted by quinolone antibiotics. Our findings not only highlight MCX-219 and MCX-190 as promising candidates for next-generation MLSBK antibiotics to combat antibiotic resistance, but also pave the way for the future rational design of the class of MLSBK antibiotics, offering a strategic framework to overcome the challenges posed by escalating antibiotic resistance.
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Affiliation(s)
- Cong-Xuan Ma
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, China
| | - Ye Li
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, China
- Center for mRNA Translational Research, Fudan University, Shanghai, China
| | - Wen-Tian Liu
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, China
| | - Yun Li
- Institute of Clinical Pharmacology, Peking University First Hospital, Beijing, China
| | - Fei Zhao
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, State Key Laboratory of Infectious Disease Prevention and Control, Beijing, China
| | - Xiao-Tian Lian
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, China
| | - Jing Ding
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, China
| | - Si-Meng Liu
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, China
| | - Xie-Peng Liu
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, China
| | - Bing-Zhi Fan
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, China
| | - Li-Yong Liu
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, State Key Laboratory of Infectious Disease Prevention and Control, Beijing, China
| | - Feng Xue
- Institute of Clinical Pharmacology, Peking University First Hospital, Beijing, China
| | - Jian Li
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, China
- Center for mRNA Translational Research, Fudan University, Shanghai, China
| | - Jue-Ru Zhang
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, China
| | - Zhao Xue
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, China
- Center for mRNA Translational Research, Fudan University, Shanghai, China
| | - Xiao-Tong Pei
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, China
- Center for mRNA Translational Research, Fudan University, Shanghai, China
| | - Jin-Zhong Lin
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, China.
- Center for mRNA Translational Research, Fudan University, Shanghai, China.
| | - Jian-Hua Liang
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, China.
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Ma CX, Liu WT, Li XM, Ding J, Liu SM, Xue F, Li Y, Liang JH. Design, synthesis and structure-activity relationships of novel non-ketolides: 9-Oxime clarithromycin featured with seven-to thirteen-atom-length diamine linkers at 3-OH. Eur J Med Chem 2024; 276:116630. [PMID: 38972081 DOI: 10.1016/j.ejmech.2024.116630] [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: 04/25/2024] [Revised: 06/18/2024] [Accepted: 06/24/2024] [Indexed: 07/09/2024]
Abstract
We report here on the structure-activity relationships of hybrids combining 3-descladinosyl clarithromycin with quinolones linked by extended diamine connectors. Several hybrids, exemplified by 23Bc, 23Be, 23Bf, 26Be, and 30Bc, not only restored potency against inducibly resistant pathogens but also exhibited significantly enhanced activities against constitutively resistant strains of Staphylococcus pneumoniae and Staphylococcus pyogenes, which express high-level resistance independent of clarithromycin or erythromycin induction. Additionally, the novel hybrids showed susceptibility against Gram-negative Haemophilus influenzae. Notably, hybrid 23Be demonstrated dual modes of action by inhibiting both protein synthesis and DNA replication in vitro and in vivo. Given these promising characteristics, 23Be emerges as a potential candidate for the treatment of community-acquired bacterial pneumonia.
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Affiliation(s)
- Cong-Xuan Ma
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, China
| | - Wen-Tian Liu
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, China
| | - Xue-Meng Li
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, China
| | - Jing Ding
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, China
| | - Si-Meng Liu
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, China
| | - Feng Xue
- Institute of Clinical Pharmacology, Peking University First Hospital, Beijing, 100034, China
| | - Yun Li
- Institute of Clinical Pharmacology, Peking University First Hospital, Beijing, 100034, China.
| | - Jian-Hua Liang
- Key Laboratory of Medicinal Molecule Science and Pharmaceutical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, China.
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Jednačak T, Mikulandra I, Smokrović K, Hloušek-Kasun A, Kapustić M, Delaš K, Piantanida I, Jurković M, Bertoša B, Zangger K, Novak P. Antimicrobial macrozones interact with biological macromolecules via two-site binding mode of action: Fluorimetric, NMR and docking studies. Bioorg Chem 2024; 147:107338. [PMID: 38583253 DOI: 10.1016/j.bioorg.2024.107338] [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: 12/05/2023] [Revised: 04/02/2024] [Accepted: 04/04/2024] [Indexed: 04/09/2024]
Abstract
Macrozones are novel conjugates of azithromycin and thiosemicarbazones, which exhibit very good in vitro antibacterial activities against susceptible and some resistant bacterial strains thus showing a potential for further development. A combination of spectrometric (fluorimetry, STD and WaterLOGSY NMR) and molecular docking studies provided insights into atomic details of interactions between selected macrozones and biological receptors such as E. coli ribosome and bovine serum albumin. Fluorimetric measurements revealed binding constants in the micro-molar range while NMR experiments provided data on binding epitopes. It has been demonstrated that both STD and WaterLOGSY gave comparable and consistent results unveiling atoms in intimate contacts with biological receptors. Docking studies pointed towards main interactions between macrozones and E. coli ribosome which included specific π - π stacking and hydrogen bonding interactions with thiosemicarbazone part extending down the ribosome exit tunnel. The results of the docking experiments were in fine correlation with those obtained by NMR and fluorimetry. Our investigation pointed towards a two-site binding mechanism of interactions between macrozones and E. coli ribosome which is the most probable reason for their activity against azithromycin-resistant strains. Much better activity of macrozone-nickel coordinated compound against E. coli ribosome compared to other macrozones has been attributed to the higher polarity which enabled better bacterial membrane penetration and binding of the two thiosemicarbazone units thus additionally contributing to the overall binding energy. The knowledge gained in this study should play an important role in anti-infective macrolide design in the future.
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Affiliation(s)
- Tomislav Jednačak
- University of Zagreb, Faculty of Science, Department of Chemistry, Horvatovac 102a HR-10000 Zagreb, Croatia
| | - Ivana Mikulandra
- University of Zagreb, Faculty of Science, Department of Chemistry, Horvatovac 102a HR-10000 Zagreb, Croatia
| | - Kristina Smokrović
- University of Zagreb, Faculty of Science, Department of Chemistry, Horvatovac 102a HR-10000 Zagreb, Croatia
| | - Andrea Hloušek-Kasun
- University of Zagreb, Faculty of Science, Department of Chemistry, Horvatovac 102a HR-10000 Zagreb, Croatia
| | - Monika Kapustić
- University of Zagreb, Faculty of Science, Department of Chemistry, Horvatovac 102a HR-10000 Zagreb, Croatia
| | - Kristina Delaš
- University of Zagreb, Faculty of Science, Department of Chemistry, Horvatovac 102a HR-10000 Zagreb, Croatia
| | - Ivo Piantanida
- Ruđer Bošković Institute, Division of Organic Chemistry and Biochemistry, Bijenička 54 HR-10000 Zagreb, Croatia.
| | - Marta Jurković
- Ruđer Bošković Institute, Division of Organic Chemistry and Biochemistry, Bijenička 54 HR-10000 Zagreb, Croatia
| | - Branimir Bertoša
- University of Zagreb, Faculty of Science, Department of Chemistry, Horvatovac 102a HR-10000 Zagreb, Croatia
| | - Klaus Zangger
- University of Graz, Institute of Chemistry, Organic and Bioorganic Chemistry, Heinrichstraße 28 A-8010 Graz, Austria
| | - Predrag Novak
- University of Zagreb, Faculty of Science, Department of Chemistry, Horvatovac 102a HR-10000 Zagreb, Croatia.
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Volynkina IA, Bychkova EN, Karakchieva AO, Tikhomirov AS, Zatonsky GV, Solovieva SE, Martynov MM, Grammatikova NE, Tereshchenkov AG, Paleskava A, Konevega AL, Sergiev PV, Dontsova OA, Osterman IA, Shchekotikhin AE, Tevyashova AN. Hybrid Molecules of Azithromycin with Chloramphenicol and Metronidazole: Synthesis and Study of Antibacterial Properties. Pharmaceuticals (Basel) 2024; 17:187. [PMID: 38399402 PMCID: PMC10892836 DOI: 10.3390/ph17020187] [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: 12/19/2023] [Revised: 01/23/2024] [Accepted: 01/25/2024] [Indexed: 02/25/2024] Open
Abstract
The sustained rise of antimicrobial resistance (AMR) causes a strong need to develop new antibacterial agents. One of the methods for addressing the problem of antibiotic resistance is through the design of hybrid antibiotics. In this work, we proposed a synthetic route for the conjugation of an azithromycin derivative with chloramphenicol and metronidazole hemisuccinates and synthesized two series of new hybrid molecules 4a-g and 5a-g. While a conjugation did not result in tangible synergy for wild-type bacterial strains, new compounds were able to overcome AMR associated with the inducible expression of the ermC gene on a model E. coli strain resistant to macrolide antibiotics. The newly developed hybrids demonstrated a tendency to induce premature ribosome stalling, which might be crucial since they will not induce a macrolide-resistant phenotype in a number of pathogenic bacterial strains. In summary, the designed structures are considered as a promising direction for the further development of hybrid molecules that can effectively circumvent AMR mechanisms to macrolide antibiotics.
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Affiliation(s)
- Inna A. Volynkina
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1, 119234 Moscow, Russia; (A.O.K.); (P.V.S.); (O.A.D.); (I.A.O.)
| | - Elena N. Bychkova
- Gause Institute of New Antibiotics, B. Pirogovskaya 11, 119021 Moscow, Russia; (E.N.B.); (A.S.T.); (G.V.Z.); (S.E.S.); (M.M.M.); (N.E.G.); (A.E.S.)
| | - Anastasiia O. Karakchieva
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1, 119234 Moscow, Russia; (A.O.K.); (P.V.S.); (O.A.D.); (I.A.O.)
| | - Alexander S. Tikhomirov
- Gause Institute of New Antibiotics, B. Pirogovskaya 11, 119021 Moscow, Russia; (E.N.B.); (A.S.T.); (G.V.Z.); (S.E.S.); (M.M.M.); (N.E.G.); (A.E.S.)
| | - George V. Zatonsky
- Gause Institute of New Antibiotics, B. Pirogovskaya 11, 119021 Moscow, Russia; (E.N.B.); (A.S.T.); (G.V.Z.); (S.E.S.); (M.M.M.); (N.E.G.); (A.E.S.)
| | - Svetlana E. Solovieva
- Gause Institute of New Antibiotics, B. Pirogovskaya 11, 119021 Moscow, Russia; (E.N.B.); (A.S.T.); (G.V.Z.); (S.E.S.); (M.M.M.); (N.E.G.); (A.E.S.)
| | - Maksim M. Martynov
- Gause Institute of New Antibiotics, B. Pirogovskaya 11, 119021 Moscow, Russia; (E.N.B.); (A.S.T.); (G.V.Z.); (S.E.S.); (M.M.M.); (N.E.G.); (A.E.S.)
| | - Natalia E. Grammatikova
- Gause Institute of New Antibiotics, B. Pirogovskaya 11, 119021 Moscow, Russia; (E.N.B.); (A.S.T.); (G.V.Z.); (S.E.S.); (M.M.M.); (N.E.G.); (A.E.S.)
| | - Andrey G. Tereshchenkov
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1, 119234 Moscow, Russia; (A.O.K.); (P.V.S.); (O.A.D.); (I.A.O.)
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Leninskie Gory 1, 119234 Moscow, Russia
| | - Alena Paleskava
- Department of Molecular and Radiation Biophysics, Petersburg Nuclear Physics Institute Named by B.P. Konstantiniv of NRC “Kurchatov Institute”, Mkr. Orlova Roshcha 1, 188300 Gatchina, Russia; (A.P.); (A.L.K.)
- Institute of Biomedical Systems and Biotechnologies, Peter the Great St. Petersburg Polytechnic University, Khlopina 11, 195251 Saint Petersburg, Russia
| | - Andrey L. Konevega
- Department of Molecular and Radiation Biophysics, Petersburg Nuclear Physics Institute Named by B.P. Konstantiniv of NRC “Kurchatov Institute”, Mkr. Orlova Roshcha 1, 188300 Gatchina, Russia; (A.P.); (A.L.K.)
- Institute of Biomedical Systems and Biotechnologies, Peter the Great St. Petersburg Polytechnic University, Khlopina 11, 195251 Saint Petersburg, Russia
- NBICS Center, NRC “Kurchatov Institute”, Kurchatov Square 1, 123182 Moscow, Russia
| | - Petr V. Sergiev
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1, 119234 Moscow, Russia; (A.O.K.); (P.V.S.); (O.A.D.); (I.A.O.)
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Leninskie Gory 1, 119234 Moscow, Russia
- Institute of Functional Genomics, Lomonosov Moscow State University, Leninskie Gory 1, 119234 Moscow, Russia
| | - Olga A. Dontsova
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1, 119234 Moscow, Russia; (A.O.K.); (P.V.S.); (O.A.D.); (I.A.O.)
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Leninskie Gory 1, 119234 Moscow, Russia
- Department of Functioning of Living Systems, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, 117997 Moscow, Russia
| | - Ilya A. Osterman
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1, 119234 Moscow, Russia; (A.O.K.); (P.V.S.); (O.A.D.); (I.A.O.)
| | - Andrey E. Shchekotikhin
- Gause Institute of New Antibiotics, B. Pirogovskaya 11, 119021 Moscow, Russia; (E.N.B.); (A.S.T.); (G.V.Z.); (S.E.S.); (M.M.M.); (N.E.G.); (A.E.S.)
| | - Anna N. Tevyashova
- Gause Institute of New Antibiotics, B. Pirogovskaya 11, 119021 Moscow, Russia; (E.N.B.); (A.S.T.); (G.V.Z.); (S.E.S.); (M.M.M.); (N.E.G.); (A.E.S.)
- School of Science, Constructor University, Campus Ring 1, 28759 Bremen, Germany
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Rapid Structure Determination of Bioactive 4″-Tetrahydrofurfuryl Macrozone Reaction Mixture Components by LC-SPE/Cryo NMR and MS. Molecules 2021; 26:molecules26206316. [PMID: 34684905 PMCID: PMC8537197 DOI: 10.3390/molecules26206316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 10/14/2021] [Accepted: 10/18/2021] [Indexed: 11/16/2022] Open
Abstract
LC-SPE/cryo NMR and MS methodologies have been developed and employed for a rapid structure determination of 4″-tetrahydrofurfuryl macrozone reaction mixture components. Macrozones, novel conjugates of azithromycin, and thiosemicarbazones have shown very good in vitro antibacterial activities against susceptible and some resistant bacterial strains and are promising agents for further development. The post-column multiple trapping of the chromatographically separated reaction mixture components on the SPE cartridges increased the sensitivity and together with cryogenically cooled NMR probe made it possible to identify and structurally characterize main 4″-tetrahydrofurfuryl macrozone reaction mixture compounds including those present at very low concentration level. This approach has several advantages over a classical off-line procedure, efficiency and low solvent consumption being the two most important ones. All identified components were process-related. It has been demonstrated that two different kinds of compounds with respect to structure were identified, i.e., macrolide-related and thiosemicarbazone-related ones. This methodology can serve as a platform for reliable and effective macrolides reaction components structure profiling, serving as both isolation and identification tools.
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Cools F, Delputte P, Cos P. The search for novel treatment strategies for Streptococcus pneumoniae infections. FEMS Microbiol Rev 2021; 45:6064299. [PMID: 33399826 PMCID: PMC8371276 DOI: 10.1093/femsre/fuaa072] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 01/01/2021] [Indexed: 12/13/2022] Open
Abstract
This review provides an overview of the most important novel treatment strategies against Streptococcus pneumoniae infections published over the past 10 years. The pneumococcus causes the majority of community-acquired bacterial pneumonia cases, and it is one of the prime pathogens in bacterial meningitis. Over the last 10 years, extensive research has been conducted to prevent severe pneumococcal infections, with a major focus on (i) boosting the host immune system and (ii) discovering novel antibacterials. Boosting the immune system can be done in two ways, either by actively modulating host immunity, mostly through administration of selective antibodies, or by interfering with pneumococcal virulence factors, thereby supporting the host immune system to effectively overcome an infection. While several of such experimental therapies are promising, few have evolved to clinical trials. The discovery of novel antibacterials is hampered by the high research and development costs versus the relatively low revenues for the pharmaceutical industry. Nevertheless, novel enzymatic assays and target-based drug design, allow the identification of targets and the development of novel molecules to effectively treat this life-threatening pathogen.
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Affiliation(s)
- F Cools
- Laboratory for Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
| | - P Delputte
- Laboratory for Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
| | - P Cos
- Laboratory for Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
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Fan BZ, Hiasa H, Lv W, Brody S, Yang ZY, Aldrich C, Cushman M, Liang JH. Design, synthesis and structure-activity relationships of novel 15-membered macrolides: Quinolone/quinoline-containing sidechains tethered to the C-6 position of azithromycin acylides. Eur J Med Chem 2020; 193:112222. [DOI: 10.1016/j.ejmech.2020.112222] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Revised: 03/09/2020] [Accepted: 03/09/2020] [Indexed: 02/01/2023]
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Jiang D. 4-Quinolone Derivatives and Their Activities Against Gram-negative Pathogens. J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3244] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Dan Jiang
- School of Nuclear Technology and Chemistry & Biology; Hubei University of Science and Technology; Xianning Hubei China
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9
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4-Quinolone hybrids and their antibacterial activities. Eur J Med Chem 2017; 141:335-345. [DOI: 10.1016/j.ejmech.2017.09.050] [Citation(s) in RCA: 134] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2017] [Revised: 09/11/2017] [Accepted: 09/24/2017] [Indexed: 01/28/2023]
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Zhang GF, Zhang S, Pan B, Liu X, Feng LS. 4-Quinolone derivatives and their activities against Gram positive pathogens. Eur J Med Chem 2017; 143:710-723. [PMID: 29220792 DOI: 10.1016/j.ejmech.2017.11.082] [Citation(s) in RCA: 131] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 11/24/2017] [Accepted: 11/27/2017] [Indexed: 11/17/2022]
Abstract
Gram-positive bacteria are responsible for a broad range of infectious diseases, and the emergency and wide spread of drug-resistant Gram-positive pathogens including MRSA and MRSE has caused great concern throughout the world. 4-Quinolones which are exemplified by fluoroquinolones are mainstays of chemotherapy against various bacterial infections including Gram-positive pathogen infections, and their value and role in the treatment of bacterial infections continues to expand. However, the resistance of Gram-positive organisms to 4-quinolones develops rapidly and spreads widely, making them more and more ineffective. To overcome the resistance and reduce the toxicity, numerous of 4-quinolone derivatives were synthesized and screened for their in vitro and in vivo activities against Gram-positive pathogens, and some of them exhibited excellent potency. This review aims to outlines the recent advances made towards the discovery of 4-quinolone-based derivatives as anti-Gram-positive pathogens agents and the critical aspects of design as well as the structure-activity relationship of these derivatives. The enriched SAR paves the way to the further rational development of 4-quinolones with a unique mechanism of action different from that of the currently used drugs to overcome the resistance, well-tolerated and low toxic profiles.
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Affiliation(s)
- Gui-Fu Zhang
- School of Nuclear Technology and Chemistry & Life Science, Hubei University of Science and Technology, Hubei, PR China
| | - Shu Zhang
- Pony Testing International Group (Wuhan), Hubei, PR China
| | - Baofeng Pan
- Zhejiang Xianju Junye Pharmaceutical Co., Ltd, Xianju, Zhejiang, 317300, PR China
| | - Xiaofeng Liu
- Zhejiang Xianju Junye Pharmaceutical Co., Ltd, Xianju, Zhejiang, 317300, PR China; School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan, Hubei, 430081, PR China.
| | - Lian-Shun Feng
- Synthetic and Functional Biomolecules Center, Peking University, Beijing, PR China.
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