1
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Li ZY, Zhang X, Qian YL, Du FS, Li ZC. Synthesis and antibacterial properties of fluorinated biodegradable cationic polyesters. J Mater Chem B 2024; 12:1569-1578. [PMID: 38252543 DOI: 10.1039/d3tb02578k] [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: 01/24/2024]
Abstract
Antimicrobial peptide-mimicking antibacterial polymers represent a practical strategy to conquer the ever-growing threat of antimicrobial resistance. Herein, we report the syntheses and antibacterial performance of degradable amphiphilic cationic polyesters containing pendent quaternary ammonium motifs and hydrophobic alkyl or fluoroalkyl groups. These polyesters were conveniently prepared from poly(3-methylene-1,5-dioxepan-2-one) via highly efficient one-pot successive thiol-Michael addition reactions. The antibacterial activity of these polyesters against S. aureus and E. coli and their hemolytic activity toward red blood cells were evaluated; some of them showed moderate antibacterial activity and selectivity against Gram-positive S. aureus. The membrane disruption mechanism of these cationic polyesters was briefly explored by monitoring the bacteria killing kinetics and SEM observations. Moreover, the effects of cationic/hydrophobic ratio and the incorporation of fluoroalkyl groups on the antibacterial activity and selectivity of the polyesters were demonstrated.
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Affiliation(s)
- Zhao-Yue Li
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry & Molecular Engineering, Peking University, Beijing 100871, China.
| | - Xiaoying Zhang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, China
| | - Yi-Lin Qian
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry & Molecular Engineering, Peking University, Beijing 100871, China.
| | - Fu-Sheng Du
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry & Molecular Engineering, Peking University, Beijing 100871, China.
| | - Zi-Chen Li
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry & Molecular Engineering, Peking University, Beijing 100871, China.
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2
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Chen Y, Ye Z, Zhen W, Zhang L, Min X, Wang Y, Liu F, Su M. Design and synthesis of broad-spectrum antimicrobial amphiphilic peptidomimetics to combat drug-resistance. Bioorg Chem 2023; 140:106766. [PMID: 37572534 DOI: 10.1016/j.bioorg.2023.106766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/25/2023] [Accepted: 08/02/2023] [Indexed: 08/14/2023]
Abstract
The gradual depletion of antibiotic discovery pipeline makes the antibiotic resistance a difficult clinical problem and a global health emergency. The membrane-active antimicrobial peptides (AMPs) attracted much attention due to a lower tendency to bacterial resistance than traditional antibiotics. However, some immanent drawbacks of AMPs may hamper their application in combating antibiotic resistance in the long run, such as susceptible to enzymatic degradation and low cell permeability. Herein, we report the design and synthesis of a novel series of amphiphilic peptidomimetics, from which we identified compounds that exhibited potent antimicrobial activity against a panel of clinically relevant Gram-positive and Gram-negative bacteria strains. The most potent compound 20 (SD-110-12) is able to kill intracellular bacterial pathogens and prevent the development of bacterial resistance under the tested conditions by targeting cell membranes. Additionally, compound 20 (SD-110-12) obtains good in vivo efficacy that is comparative to vancomycin by eradicating MRSA and suppressing inflammation in a mice infected skin wound model, demonstrating its promising therapeutic potential.
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Affiliation(s)
- Yating Chen
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Soochow University, 199 Ren-Ai Road, Suzhou, Jiangsu 215123, China
| | - Zifan Ye
- Department of Biopharmaceutical Sciences, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu 215123, China
| | - Wenteng Zhen
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Soochow University, 199 Ren-Ai Road, Suzhou, Jiangsu 215123, China
| | - Lu Zhang
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Soochow University, 199 Ren-Ai Road, Suzhou, Jiangsu 215123, China
| | - Xiangyang Min
- Department of Clinical Laboratory Medicine, Yangpu Hospital of Tongji University, Shanghai 200000, China
| | - Yipeng Wang
- Department of Biopharmaceutical Sciences, College of Pharmaceutical Sciences, Soochow University, Suzhou, Jiangsu 215123, China.
| | - Feng Liu
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Soochow University, 199 Ren-Ai Road, Suzhou, Jiangsu 215123, China; Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, College of Pharmaceutical Sciences, Soochow University, 199 Ren-Ai Road, Suzhou, Jiangsu 215123, China.
| | - Ma Su
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Soochow University, 199 Ren-Ai Road, Suzhou, Jiangsu 215123, China; Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, College of Pharmaceutical Sciences, Soochow University, 199 Ren-Ai Road, Suzhou, Jiangsu 215123, China.
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3
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Tuning the Anthranilamide Peptidomimetic Design to Selectively Target Planktonic Bacteria and Biofilm. Antibiotics (Basel) 2023; 12:antibiotics12030585. [PMID: 36978452 PMCID: PMC10044445 DOI: 10.3390/antibiotics12030585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 03/08/2023] [Accepted: 03/13/2023] [Indexed: 03/17/2023] Open
Abstract
There is a pressing need to develop new antimicrobials to help combat the increase in antibiotic resistance that is occurring worldwide. In the current research, short amphiphilic antibacterial and antibiofilm agents were produced by tuning the hydrophobic and cationic groups of anthranilamide peptidomimetics. The attachment of a lysine cationic group at the tail position increased activity against E. coli by >16-fold (from >125 μM to 15.6 μM) and greatly reduced cytotoxicity against mammalian cells (from ≤20 μM to ≥150 μM). These compounds showed significant disruption of preformed biofilms of S. aureus at micromolar concentrations.
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4
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Teng P, Shao H, Huang B, Xie J, Cui S, Wang K, Cai J. Small Molecular Mimetics of Antimicrobial Peptides as a Promising Therapy To Combat Bacterial Resistance. J Med Chem 2023; 66:2211-2234. [PMID: 36739538 DOI: 10.1021/acs.jmedchem.2c00757] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Clinically, antibiotics are widely used to treat infectious diseases; however, excessive drug abuse and overuse exacerbate the prevalence of drug-resistant bacterial pathogens, making the development of novel antibiotics extremely difficult. Antimicrobial peptide (AMP) is one of the most promising candidates for overcoming bacterial resistance owing to its unique structure and mechanism of action. This study examines the development of small molecular mimetics of AMPs over the past two decades. These mimetics can selectively disrupt membranes, which are the characteristic antibacterial mechanism of AMPs. In addition, the advantages and disadvantages of small AMP mimetics are discussed. The small molecular mimetics of AMPs are anticipated to garner interest and investment in discovering new antibiotics. This Perspective will assist in revitalizing the golden age of antibiotics in the current era of combating bacterial resistance.
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Affiliation(s)
- Peng Teng
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, P. R. China
| | - Haodong Shao
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, P. R. China
| | - Bo Huang
- Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
| | - Junqiu Xie
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Institute of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Lanzhou University, West Donggang Road 199, Lanzhou, 730000, China
| | - Sunliang Cui
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, Zhejiang 310058, P. R. China
| | - Kairong Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Institute of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Lanzhou University, West Donggang Road 199, Lanzhou, 730000, China
| | - Jianfeng Cai
- Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
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5
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Zhou M, Feng Z, Zhang X. Recent advances in the synthesis of fluorinated amino acids and peptides. Chem Commun (Camb) 2023; 59:1434-1448. [PMID: 36651307 DOI: 10.1039/d2cc06787k] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The site-selective modification of amino acids, peptides, and proteins has always been an intensive topic in organic synthesis, medicinal chemistry, and chemical biology due to the vital role of amino acids in life. Among the developed methods, the site-selective introduction of fluorine functionalities into amino acids and peptides has emerged as a useful approach to change their physicochemical and biological properties. With the increasing demand for life science, the direct fluorination/fluoroalkylation of proteins has also received increasing attention because of the unique properties of fluorine atom(s) that can change the protein structure, increase their lipophilicity, and enable fluorine functionality as a biological tracer or probe for chemical biology studies. In this feature article, we summarized the recent advances in the synthesis of fluorinated amino acids and peptides, wherein two strategies have been discussed. One is based on the fluorinated building blocks to prepare fluorinated amino acids and peptides with diversified structures, including the transformations of fluorinated imines and nickel-catalyzed dicarbofunctionalization of alkenes with bromodifluoroacetate and its derivatives; the other is direct fluorination/fluoroakylation of amino acids, peptides, and proteins, in which the selective transformations of the functional groups on serine, threonine, tyrosine, tryptophan, and cysteine lead to a wide range of fluorinated α-amino acids, peptides, and proteins, featuring synthetic convenience and late-stage modification of biomacromolecules. These two strategies complement each other, wherein transition-metal catalysis and new fluoroalkylating reagents provide powerful tools to selectively access fluorinated amino acids, peptides, and proteins, showing the prospect of medicinal chemistry and chemical biology.
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Affiliation(s)
- Minqi Zhou
- College of Chemistry, Institute of Green Catalysis, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Zhang Feng
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China.
| | - Xingang Zhang
- College of Chemistry, Institute of Green Catalysis, Zhengzhou University, Zhengzhou 450001, P. R. China.,Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China.
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6
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Cheng W, Xu T, Cui L, Xue Z, Liu J, Yang R, Qin S, Guo Y. Discovery of Amphiphilic Xanthohumol Derivatives as Membrane-Targeting Antimicrobials against Methicillin-Resistant Staphylococcus aureus. J Med Chem 2023; 66:962-975. [PMID: 36584344 DOI: 10.1021/acs.jmedchem.2c01793] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Infections caused by multidrug-resistant (MDR) bacteria are increasing worldwide, and with limited clinically available antibiotics, it is urgent to develop new antimicrobials to combat these MDR bacteria. Here, a class of novel amphiphilic xanthohumol derivatives were prepared using a building-block approach. Bioactivity assays showed that the molecule IV15 not only exhibited a remarkable antibacterial effect against clinical methicillin-resistant Staphylococcus aureus (MRSA) isolates (MICs: 1-2 μg/mL) but also had the advantages of rapid bactericidal properties, low toxicity, good plasma stability, and not readily inducing bacterial resistance. Mechanistic studies indicated that IV15 has good membrane-targeting ability and can bind to phosphatidylglycerol and cardiolipin in bacterial membranes, thus disrupting the bacterial cell membranes and causing increased intracellular reactive oxygen species and leakage of proteins and DNA, eventually resulting in bacterial death. Notably, IV15 exhibited remarkable in vivo anti-MRSA efficacy, superior to vancomycin, making it a potential candidate to combat MRSA infections.
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Affiliation(s)
- Wanqing Cheng
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan Province, China
| | - Ting Xu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan Province, China
| | - Liping Cui
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan Province, China
| | - Zihan Xue
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan Province, China
| | - Jifeng Liu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan Province, China
| | - Ruige Yang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan Province, China
| | - Shangshang Qin
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan Province, China
| | - Yong Guo
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, Henan Province, China.,Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan Province, China
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7
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Helical Foldamers and Stapled Peptides as New Modalities in Drug Discovery: Modulators of Protein-Protein Interactions. Processes (Basel) 2022. [DOI: 10.3390/pr10050924] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
A “foldamer” is an artificial oligomeric molecule with a regular secondary or tertiary structure consisting of various building blocks. A “stapled peptide” is a peptide with stabilized secondary structures, in particular, helical structures by intramolecular covalent side-chain cross-linking. Helical foldamers and stapled peptides are potential drug candidates that can target protein-protein interactions because they enable multipoint molecular recognition, which is difficult to achieve with low-molecular-weight compounds. This mini-review describes a variety of peptide-based foldamers and stapled peptides with a view to their applications in drug discovery, including our recent progress.
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8
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Lai Z, Yuan X, Chen H, Zhu Y, Dong N, Shan A. Strategies employed in the design of antimicrobial peptides with enhanced proteolytic stability. Biotechnol Adv 2022; 59:107962. [PMID: 35452776 DOI: 10.1016/j.biotechadv.2022.107962] [Citation(s) in RCA: 61] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 03/14/2022] [Accepted: 04/13/2022] [Indexed: 12/12/2022]
Abstract
Due to the alarming developing rate of multidrug-resistant bacterial pathogens, the development and modification of antimicrobial peptides (AMPs) are unprecedentedly active. Despite the fact that considerable efforts have been expended on the discovery and design strategies of AMPs, the clinical translation of peptide antibiotics remains inadequate. A large number of articles and reviews credited the limited success of AMPs to their poor stability in the biological environment, particularly their poor proteolytic stability. In the past forty years, various design strategies have been used to improve the proteolytic stability of AMPs, such as sequence modification, cyclization, peptidomimetics, and nanotechnology. Herein, we focus our discussion on the progress made in improving the proteolytic stability of AMPs and the principle, successes, and limitations of various anti-proteolytic design strategies. It is of prospective significance to extend current insights into the degradation-related inactivation of AMPs and also alleviate/overcome the problem.
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Affiliation(s)
- Zhenheng Lai
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China
| | - Xiaojie Yuan
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China
| | - Hongyu Chen
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China
| | - Yunhui Zhu
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China
| | - Na Dong
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China
| | - Anshan Shan
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China.
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9
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Tallet L, Frisch E, Bornerie M, Medemblik C, Frisch B, Lavalle P, Guichard G, Douat C, Kichler A. Design of Oligourea-Based Foldamers with Antibacterial and Antifungal Activities. Molecules 2022; 27:1749. [PMID: 35268850 PMCID: PMC8911826 DOI: 10.3390/molecules27051749] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 02/24/2022] [Accepted: 03/01/2022] [Indexed: 02/05/2023] Open
Abstract
There is an urgent need to develop new therapeutic strategies to fight the emergence of multidrug resistant bacteria. Many antimicrobial peptides (AMPs) have been identified and characterized, but clinical translation has been limited partly due to their structural instability and degradability in physiological environments. The use of unnatural backbones leading to foldamers can generate peptidomimetics with improved properties and conformational stability. We recently reported the successful design of urea-based eukaryotic cell-penetrating foldamers (CPFs). Since cell-penetrating peptides and AMPs generally share many common features, we prepared new sequences derived from CPFs by varying the distribution of histidine- and arginine-type residues at the surface of the oligourea helix, and evaluated their activity on both Gram-positive and Gram-negative bacteria as well as on fungi. In addition, we prepared and tested new amphiphilic block cofoldamers consisting of an oligourea and a peptide segment whereby polar and charged residues are located in the peptide segment and more hydrophobic residues in the oligourea segment. Several foldamer sequences were found to display potent antibacterial activities even in the presence of 50% serum. Importantly, we show that these urea-based foldamers also possess promising antifungal properties.
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Affiliation(s)
- Lorène Tallet
- Inserm UMR 1121, 11 rue Humann, F-67085 Strasbourg, France; (L.T.); (E.F.); (C.M.); (P.L.)
- Faculté de Chirurgie Dentaire, Université de Strasbourg, 8 rue Sainte Elisabeth, F-67000 Strasbourg, France
| | - Emilie Frisch
- Inserm UMR 1121, 11 rue Humann, F-67085 Strasbourg, France; (L.T.); (E.F.); (C.M.); (P.L.)
- Faculté de Chirurgie Dentaire, Université de Strasbourg, 8 rue Sainte Elisabeth, F-67000 Strasbourg, France
| | - Mégane Bornerie
- CNRS, Bordeaux INP, CBMN, UMR 5248, Institut Européen de Chimie et Biologie, Université de Bordeaux, 2 rue Robert Escarpit, F-33607 Pessac, France;
| | - Claire Medemblik
- Inserm UMR 1121, 11 rue Humann, F-67085 Strasbourg, France; (L.T.); (E.F.); (C.M.); (P.L.)
- Faculté de Chirurgie Dentaire, Université de Strasbourg, 8 rue Sainte Elisabeth, F-67000 Strasbourg, France
| | - Benoît Frisch
- CAMB 7199 CNRS, Equipe 3Bio, Faculté de Pharmacie, Université de Strasbourg, F-67401 Illkirch, France;
| | - Philippe Lavalle
- Inserm UMR 1121, 11 rue Humann, F-67085 Strasbourg, France; (L.T.); (E.F.); (C.M.); (P.L.)
- Faculté de Chirurgie Dentaire, Université de Strasbourg, 8 rue Sainte Elisabeth, F-67000 Strasbourg, France
| | - Gilles Guichard
- CNRS, Bordeaux INP, CBMN, UMR 5248, Institut Européen de Chimie et Biologie, Université de Bordeaux, 2 rue Robert Escarpit, F-33607 Pessac, France;
| | - Céline Douat
- CNRS, Bordeaux INP, CBMN, UMR 5248, Institut Européen de Chimie et Biologie, Université de Bordeaux, 2 rue Robert Escarpit, F-33607 Pessac, France;
- Department of Pharmacy and Center for Integrated Protein Science, Ludwig-Maximilians-Universität, Butenandtstrasse 5-13, 81377 München, Germany
| | - Antoine Kichler
- CAMB 7199 CNRS, Equipe 3Bio, Faculté de Pharmacie, Université de Strasbourg, F-67401 Illkirch, France;
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10
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Si Z, Zheng W, Prananty D, Li J, Koh CH, Kang ET, Pethe K, Chan-Park MB. Polymers as advanced antibacterial and antibiofilm agents for direct and combination therapies. Chem Sci 2022; 13:345-364. [PMID: 35126968 PMCID: PMC8729810 DOI: 10.1039/d1sc05835e] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 12/12/2021] [Indexed: 12/13/2022] Open
Abstract
The growing prevalence of antimicrobial drug resistance in pathogenic bacteria is a critical threat to global health. Conventional antibiotics still play a crucial role in treating bacterial infections, but the emergence and spread of antibiotic-resistant micro-organisms are rapidly eroding their usefulness. Cationic polymers, which target bacterial membranes, are thought to be the last frontier in antibacterial development. This class of molecules possesses several advantages including a low propensity for emergence of resistance and rapid bactericidal effect. This review surveys the structure-activity of advanced antimicrobial cationic polymers, including poly(α-amino acids), β-peptides, polycarbonates, star polymers and main-chain cationic polymers, with low toxicity and high selectivity to potentially become useful for real applications. Their uses as potentiating adjuvants to overcome bacterial membrane-related resistance mechanisms and as antibiofilm agents are also covered. The review is intended to provide valuable information for design and development of cationic polymers as antimicrobial and antibiofilm agents for translational applications.
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Affiliation(s)
- Zhangyong Si
- School of Chemical and Biomedical Engineering, Nanyang Technological University Singapore 637459 Singapore
| | - Wenbin Zheng
- School of Chemical and Biomedical Engineering, Nanyang Technological University Singapore 637459 Singapore
| | - Dicky Prananty
- School of Chemical and Biomedical Engineering, Nanyang Technological University Singapore 637459 Singapore
| | - Jianghua Li
- School of Chemical and Biomedical Engineering, Nanyang Technological University Singapore 637459 Singapore
| | - Chong Hui Koh
- School of Chemical and Biomedical Engineering, Nanyang Technological University Singapore 637459 Singapore
| | - En-Tang Kang
- Department of Chemical & Biomolecular Engineering, National University of Singapore 4 Engineering Drive 4, Kent Ridge Singapore 117585 Singapore
| | - Kevin Pethe
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore 636921 Singapore
- School of Biological Sciences, Nanyang Technological University Singapore 637551 Singapore
| | - Mary B Chan-Park
- School of Chemical and Biomedical Engineering, Nanyang Technological University Singapore 637459 Singapore
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore 636921 Singapore
- School of Physical & Mathematical Sciences, Nanyang Technological University Singapore 637371 Singapore
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11
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Xia PJ, Liu F, Pan YM, Yang MP, Yang YY. Efficient access to β-amino acid ester/β-amino ketone derivatives via photocatalytic radical alkoxycabonylimidation/carbonylimidation of alkenes. Org Chem Front 2022. [DOI: 10.1039/d2qo00268j] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A photocatalytic protocol for the synthesis of β-amino acid ester and β-amino ketone derivatives is developed using simple and easy-to-synthesize oxime oxalate and oxime phenylglyoxylate as difunctionalization reagents.
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Affiliation(s)
- Peng-Ju Xia
- School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Guangxi Normal University, Guilin 541004, P. R. China
| | - Fu Liu
- School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Guangxi Normal University, Guilin 541004, P. R. China
| | - Ying-Ming Pan
- School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Guangxi Normal University, Guilin 541004, P. R. China
| | - Meng-Ping Yang
- School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Guangxi Normal University, Guilin 541004, P. R. China
| | - Yun-Yi Yang
- School of Chemistry and Pharmaceutical Sciences, State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Guangxi Normal University, Guilin 541004, P. R. China
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12
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Kratochvil HT, Newberry RW, Mensa B, Mravic M, DeGrado WF. Spiers Memorial Lecture: Analysis and de novo design of membrane-interactive peptides. Faraday Discuss 2021; 232:9-48. [PMID: 34693965 PMCID: PMC8979563 DOI: 10.1039/d1fd00061f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Membrane-peptide interactions play critical roles in many cellular and organismic functions, including protection from infection, remodeling of membranes, signaling, and ion transport. Peptides interact with membranes in a variety of ways: some associate with membrane surfaces in either intrinsically disordered conformations or well-defined secondary structures. Peptides with sufficient hydrophobicity can also insert vertically as transmembrane monomers, and many associate further into membrane-spanning helical bundles. Indeed, some peptides progress through each of these stages in the process of forming oligomeric bundles. In each case, the structure of the peptide and the membrane represent a delicate balance between peptide-membrane and peptide-peptide interactions. We will review this literature from the perspective of several biologically important systems, including antimicrobial peptides and their mimics, α-synuclein, receptor tyrosine kinases, and ion channels. We also discuss the use of de novo design to construct models to test our understanding of the underlying principles and to provide useful leads for pharmaceutical intervention of diseases.
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Affiliation(s)
- Huong T Kratochvil
- Department of Pharmaceutical Chemistry, University of California - San Francisco, San Francisco, CA 94158, USA.
| | - Robert W Newberry
- Department of Pharmaceutical Chemistry, University of California - San Francisco, San Francisco, CA 94158, USA.
| | - Bruk Mensa
- Department of Pharmaceutical Chemistry, University of California - San Francisco, San Francisco, CA 94158, USA.
| | - Marco Mravic
- Department of Integrative Structural and Computational Biology, Scripps Research Institute, La Jolla, CA 92037, USA
| | - William F DeGrado
- Department of Pharmaceutical Chemistry, University of California - San Francisco, San Francisco, CA 94158, USA.
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13
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Zhou M, Zou J, Liu L, Xiao X, Deng S, Wu Y, Xie J, Cong Z, Ji Z, Liu R. Synthesis of poly-α/β-peptides with tunable sequence via the copolymerization on N-carboxyanhydride and N-thiocarboxyanhydride. iScience 2021; 24:103124. [PMID: 34622171 PMCID: PMC8481979 DOI: 10.1016/j.isci.2021.103124] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Revised: 07/26/2021] [Accepted: 09/08/2021] [Indexed: 11/18/2022] Open
Abstract
The fascinating functions of proteins and peptides in biological systems have attracted intense interest to explore their mimics using polymers, including polypeptides synthesized from polymerization. The folding, structures and functions of proteins and polypeptides are largely dependent on their sequence. However, sequence-tunable polymerization for polypeptide synthesis is a long-lasting challenge. The application of polypeptides is also greatly hindered by their susceptibility to enzymatic degradation. Although poly-α/β-peptide has proven to be an effective strategy to address the stability issue, the synthesis of poly-α/β-peptide from polymerization is not available yet. Hereby, we demonstrate a living and controlled copolymerization on α-NCA and β-NTA to prepare sequence-tunable poly-α/β-peptides. This polymerization strategy shows a prominent solvent-driven characteristic, providing random-like copolymers of poly-α/β-peptides in THF and block-like copolymers of poly-α/β-peptides in a mixed solvent of CHCl3/H2O (95/5, v/v), and opens new avenues for sequence-tunable polymerization and enables facile synthesis of proteolysis tunable poly-α/β-peptides for diverse applications. Realizing controlled synthesis of poly-α/β-peptides via one-pot polymerization Sequence-tunable copolymerization via solvent-dependent polymerization kinetics Adjustable proteolytic stability and antibacterial activity of poly-α/β-peptides Tunable self-assembly behavior of poly-α/β-peptides via one-pot polymerization
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Affiliation(s)
- Min Zhou
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Jingcheng Zou
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Research Center for Biomedical Materials of Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
| | - Longqiang Liu
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Research Center for Biomedical Materials of Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
| | - Ximian Xiao
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Research Center for Biomedical Materials of Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
| | - Shuai Deng
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Research Center for Biomedical Materials of Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
| | - Yueming Wu
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Research Center for Biomedical Materials of Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
| | - Jiayang Xie
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Research Center for Biomedical Materials of Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
| | - Zihao Cong
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Research Center for Biomedical Materials of Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
| | - Zhemin Ji
- Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Research Center for Biomedical Materials of Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
| | - Runhui Liu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, China.,Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Research Center for Biomedical Materials of Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
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14
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The folding propensity of α/sulfono-γ-AA peptidic foldamers with both left- and right-handedness. Commun Chem 2021; 4:58. [PMID: 36697518 PMCID: PMC9814141 DOI: 10.1038/s42004-021-00496-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Accepted: 03/19/2021] [Indexed: 01/28/2023] Open
Abstract
The discovery and application of new types of helical peptidic foldamers have been an attractive endeavor to enable the development of new materials, catalysts and biological molecules. To maximize their application potential through structure-based design, it is imperative to control their helical handedness based on their molecular scaffold. Herein we first demonstrate the generalizability of the solid-state right-handed helical propensity of the 413-helix of L-α/L-sulfono-γ-AA peptides that as short as 11-mer, using the high-resolution X-ray single crystallography. The atomic level folding conformation of the foldamers was also elucidated by 2D NMR and circular dichroism under various conditions. Subsequently, we show that the helical handedness of this class of foldamer is controlled by the chirality of their chiral side chains, as demonstrated by the left-handed 413-helix comprising 1:1 D-α/D-sulfono-γ-AA peptide. In addition, a heterochiral coiled-coil-like structure was also revealed for the first time, unambiguously supporting the impact of chirality on their helical handedness. Our findings enable the structure-based design of unique folding biopolymers and materials with the exclusive handedness or the racemic form of the foldamers in the future.
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15
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Legrand B, Maillard LT. α,β-Unsaturated γ-Peptide Foldamers. Chempluschem 2021; 86:629-645. [PMID: 33856125 DOI: 10.1002/cplu.202100045] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 03/31/2021] [Indexed: 01/01/2023]
Abstract
Despite their concomitant emergence in the 1990s, γ-peptide foldamers have not developed as fast as β-peptide foldamers and to date, only a few γ-oligomer structures have been reported, and with sparse applications. Among these examples, sequences containing α,β-unsaturated γ-amino acids have recently drawn attention since the Z/E configurations of the double bond provide opposite planar restrictions leading to divergent conformational behaviors, from helix to extended structures. In this Review, we give a comprehensive overview of the developments of γ-peptide foldamers containing α,β-unsaturated γ-amino acids with examples of applications for health and catalysis, as well as materials science.
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Affiliation(s)
- Baptiste Legrand
- Institut des Biomolécules Max Mousseron, IBMM, University of Montpellier, ENSCM, CNRS, Montpellier, France., 15 Av. Charles Flahault BP 14 491, 34093, Montpellier Cedex 5, France
| | - Ludovic T Maillard
- Institut des Biomolécules Max Mousseron, IBMM, University of Montpellier, ENSCM, CNRS, Montpellier, France., 15 Av. Charles Flahault BP 14 491, 34093, Montpellier Cedex 5, France
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16
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Jiang Y, Chen Y, Song Z, Tan Z, Cheng J. Recent advances in design of antimicrobial peptides and polypeptides toward clinical translation. Adv Drug Deliv Rev 2021; 170:261-280. [PMID: 33400958 DOI: 10.1016/j.addr.2020.12.016] [Citation(s) in RCA: 109] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 12/16/2020] [Accepted: 12/28/2020] [Indexed: 12/27/2022]
Abstract
The recent outbreaks of infectious diseases caused by multidrug-resistant pathogens have sounded a piercing alarm for the need of new effective antimicrobial agents to guard public health. Among different types of candidates, antimicrobial peptides (AMPs) and the synthetic mimics of AMPs (SMAMPs) have attracted significant enthusiasm in the past thirty years, due to their unique membrane-active antimicrobial mechanism and broad-spectrum antimicrobial activity. The extensive research has brought many drug candidates into clinical and pre-clinical development. Despite tremendous progresses have been made, several major challenges inherent to current design strategies have slowed down the clinical translational development of AMPs and SMAMPs. However, these challenges also triggered many efforts to redesign and repurpose AMPs. In this review, we will first give an overview on AMPs and their synthetic mimics, and then discuss the current status of their clinical translation. Finally, the recent advances in redesign and repurposing AMPs and SMAMPs are highlighted.
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17
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18
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Sinatra L, Kolano L, Icker M, Fritzsche SR, Volke D, Gockel I, Thieme R, Hoffmann R, Hansen FK. Hybrid Peptides Based on α-Aminoxy Acids as Antimicrobial and Anticancer Foldamers. Chempluschem 2021; 86:827-835. [PMID: 33656810 DOI: 10.1002/cplu.202000812] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 02/18/2021] [Indexed: 12/31/2022]
Abstract
α-Aminoxy peptides represent an interesting group of peptidomimetics with high proteolytic stability and the ability to fold into specific, predictable secondary structures. Here, we present a series of hybrid peptides consisting of α-aminoxy acids and α-amino acids with cationic and aromatic, hydrophobic side chains in an alternating manner synthesized using an efficient protocol that combines solution- and solid-phase synthesis. 2D ROESY experiments with a representative hexamer suggested the presence of a 7/8 helical conformation in solution. Biological evaluation revealed a significant impact of the peptide chain length and the N-terminal cap on the antimicrobial and anticancer properties of this series of hybrid peptides. The Fmoc-capped peptide 6e displayed the most potent antimicrobial activity against a panel of Gram-negative and Gram-positive bacterial strains (e. g. against E. Coli: MIC=8 mg/L; S. aureus: MIC=4 mg/L).
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Affiliation(s)
- Laura Sinatra
- Institute for Drug Discovery, Medical Faculty, Leipzig University, Brüderstr. 34, 04103, Leipzig, Germany
| | - Lisa Kolano
- Institute of Bioanalytical Chemistry, Faculty of Chemistry and Mineralogy, Leipzig University, Deutscher Platz 5, 04103, Leipzig, Germany
- Center for Biotechnology and Biomedicine (BBZ), Deutscher Platz 5, 04103, Leipzig, Germany
| | - Maik Icker
- Institute of Organic Chemistry, Leipzig University, Johannisallee 29, 04103, Leipzig, Germany
| | - Stefan R Fritzsche
- Institute for Drug Discovery, Medical Faculty, Leipzig University, Brüderstr. 34, 04103, Leipzig, Germany
| | - Daniela Volke
- Institute of Bioanalytical Chemistry, Faculty of Chemistry and Mineralogy, Leipzig University, Deutscher Platz 5, 04103, Leipzig, Germany
- Center for Biotechnology and Biomedicine (BBZ), Deutscher Platz 5, 04103, Leipzig, Germany
| | - Ines Gockel
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Liebigstraße 20, 04103, Leipzig, Germany
| | - René Thieme
- Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Hospital of Leipzig, Liebigstraße 20, 04103, Leipzig, Germany
| | - Ralf Hoffmann
- Institute of Bioanalytical Chemistry, Faculty of Chemistry and Mineralogy, Leipzig University, Deutscher Platz 5, 04103, Leipzig, Germany
- Center for Biotechnology and Biomedicine (BBZ), Deutscher Platz 5, 04103, Leipzig, Germany
| | - Finn K Hansen
- Department of Pharmaceutical and Cell Biological Chemistry, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121, Bonn, Germany
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19
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Yokoo H, Hirano M, Misawa T, Demizu Y. Helical Antimicrobial Peptide Foldamers Containing Non-proteinogenic Amino Acids. ChemMedChem 2021; 16:1226-1233. [PMID: 33565721 DOI: 10.1002/cmdc.202000940] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Indexed: 12/18/2022]
Abstract
Antimicrobial peptides (AMPs) are potential novel therapeutic drugs against microbial infections. Most AMPs function by disrupting microbial membranes because of their amphipathic properties and ordered secondary structures. In this minireview, we describe recent efforts to develop helical AMP foldamers containing non-proteinogenic amino acids, such as α,α-disubstituted α-amino acids, β-amino acids, γ-amino acids, side-chain stapling and N-alkyl glycines.
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Affiliation(s)
- Hidetomo Yokoo
- Division of Organic Chemistry, National Institute of Health Sciences, 3-25-26, Tonomachi, Kawasaki, Kanagawa, 210-9501, Japan
| | - Motoharu Hirano
- Division of Organic Chemistry, National Institute of Health Sciences, 3-25-26, Tonomachi, Kawasaki, Kanagawa, 210-9501, Japan.,Graduate School of Medical Life Science, Yokohama City University, 1-7-29, Yokohama, Kanagawa, 230-0045, Japan
| | - Takashi Misawa
- Division of Organic Chemistry, National Institute of Health Sciences, 3-25-26, Tonomachi, Kawasaki, Kanagawa, 210-9501, Japan
| | - Yosuke Demizu
- Division of Organic Chemistry, National Institute of Health Sciences, 3-25-26, Tonomachi, Kawasaki, Kanagawa, 210-9501, Japan.,Graduate School of Medical Life Science, Yokohama City University, 1-7-29, Yokohama, Kanagawa, 230-0045, Japan
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20
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Systematic ‘foldamerization’ of peptide inhibiting p53-MDM2/X interactions by the incorporation of trans- or cis-2-aminocyclopentanecarboxylic acid residues. Eur J Med Chem 2020; 208:112814. [DOI: 10.1016/j.ejmech.2020.112814] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 08/04/2020] [Accepted: 09/01/2020] [Indexed: 12/18/2022]
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21
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Hieu Tran D, Tu Nguyen X, Minh Chau Tran T, Quynh Le T, Ho Oh C, Hung Mac D. Synthesis of Macrocyclic β‐Peptidomimetics by Ring‐Closing Metathesis. ChemistrySelect 2020. [DOI: 10.1002/slct.202002706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Dinh Hieu Tran
- Medicinal Chemistry Laboratory, Faculty of Chemistry VietNam National University 19 Le Thanh Tong Ha Noi 100000 Vietnam
| | - Xuan Tu Nguyen
- Medicinal Chemistry Laboratory, Faculty of Chemistry VietNam National University 19 Le Thanh Tong Ha Noi 100000 Vietnam
| | - Thi Minh Chau Tran
- Medicinal Chemistry Laboratory, Faculty of Chemistry VietNam National University 19 Le Thanh Tong Ha Noi 100000 Vietnam
| | - Thuy Quynh Le
- Department of Chemistry and Research Institute of Natural Science Hanyang University, Sungdong-Gu Seoul 04763 Korea
| | - Chang Ho Oh
- Department of Chemistry and Research Institute of Natural Science Hanyang University, Sungdong-Gu Seoul 04763 Korea
| | - Dinh Hung Mac
- Medicinal Chemistry Laboratory, Faculty of Chemistry VietNam National University 19 Le Thanh Tong Ha Noi 100000 Vietnam
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22
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Milazzo M, Gallone G, Marcello E, Mariniello MD, Bruschini L, Roy I, Danti S. Biodegradable Polymeric Micro/Nano-Structures with Intrinsic Antifouling/Antimicrobial Properties: Relevance in Damaged Skin and Other Biomedical Applications. J Funct Biomater 2020; 11:jfb11030060. [PMID: 32825113 PMCID: PMC7563177 DOI: 10.3390/jfb11030060] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 08/07/2020] [Accepted: 08/12/2020] [Indexed: 12/16/2022] Open
Abstract
Bacterial colonization of implanted biomedical devices is the main cause of healthcare-associated infections, estimated to be 8.8 million per year in Europe. Many infections originate from damaged skin, which lets microorganisms exploit injuries and surgical accesses as passageways to reach the implant site and inner organs. Therefore, an effective treatment of skin damage is highly desirable for the success of many biomaterial-related surgical procedures. Due to gained resistance to antibiotics, new antibacterial treatments are becoming vital to control nosocomial infections arising as surgical and post-surgical complications. Surface coatings can avoid biofouling and bacterial colonization thanks to biomaterial inherent properties (e.g., super hydrophobicity), specifically without using drugs, which may cause bacterial resistance. The focus of this review is to highlight the emerging role of degradable polymeric micro- and nano-structures that show intrinsic antifouling and antimicrobial properties, with a special outlook towards biomedical applications dealing with skin and skin damage. The intrinsic properties owned by the biomaterials encompass three main categories: (1) physical–mechanical, (2) chemical, and (3) electrostatic. Clinical relevance in ear prostheses and breast implants is reported. Collecting and discussing the updated outcomes in this field would help the development of better performing biomaterial-based antimicrobial strategies, which are useful to prevent infections.
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Affiliation(s)
- Mario Milazzo
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA 02142, USA
- Correspondence: (M.M.); (S.D.)
| | - Giuseppe Gallone
- Department of Civil and Industrial Engineering, University of Pisa, 56126 Pisa, Italy;
| | - Elena Marcello
- School of Life Sciences, University of Westminster, London W1W 6UW, UK;
| | - Maria Donatella Mariniello
- Doctoral School in Clinical and Translational Sciences, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, via Savi 10, 56126 Pisa, Italy;
| | - Luca Bruschini
- Department of Surgical, Medical, Molecular Pathology and Emergency Medicine, University of Pisa, via Savi 10, 56126 Pisa, Italy;
| | - Ipsita Roy
- Department of Materials Science and Engineering, Faculty of Engineering, University of Sheffield, Sheffield S1 3JD, UK;
| | - Serena Danti
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA 02142, USA
- Department of Civil and Industrial Engineering, University of Pisa, 56126 Pisa, Italy;
- Doctoral School in Clinical and Translational Sciences, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, via Savi 10, 56126 Pisa, Italy;
- Correspondence: (M.M.); (S.D.)
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23
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Bonnel C, Legrand B, Simon M, Clavié M, Masnou A, Jumas-Bilak E, Kang YK, Licznar-Fajardo P, Maillard LT, Masurier N. Tailoring the Physicochemical Properties of Antimicrobial Peptides onto a Thiazole-Based γ-Peptide Foldamer. J Med Chem 2020; 63:9168-9180. [DOI: 10.1021/acs.jmedchem.0c00077] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Clément Bonnel
- Institut des Biomolécules Max Mousseron, UMR 5247, CNRS, UM, ENSCM, UFR des Sciences Pharmaceutiques et Biologiques, 15 Avenue Charles Flahault, 34093 Montpellier Cedex 5, France
| | - Baptiste Legrand
- Institut des Biomolécules Max Mousseron, UMR 5247, CNRS, UM, ENSCM, UFR des Sciences Pharmaceutiques et Biologiques, 15 Avenue Charles Flahault, 34093 Montpellier Cedex 5, France
| | - Matthieu Simon
- Institut des Biomolécules Max Mousseron, UMR 5247, CNRS, UM, ENSCM, UFR des Sciences Pharmaceutiques et Biologiques, 15 Avenue Charles Flahault, 34093 Montpellier Cedex 5, France
| | - Margaux Clavié
- Institut des Biomolécules Max Mousseron, UMR 5247, CNRS, UM, ENSCM, UFR des Sciences Pharmaceutiques et Biologiques, 15 Avenue Charles Flahault, 34093 Montpellier Cedex 5, France
| | - Agnès Masnou
- Laboratoire HydroSciences Montpellier, UMR 5569, CNRS, UM, IRD, Département d’Hygiène Hospitalière−CHU Montpellier, 34095 Montpellier, France
| | - Estelle Jumas-Bilak
- Laboratoire HydroSciences Montpellier, UMR 5569, CNRS, UM, IRD, Département d’Hygiène Hospitalière−CHU Montpellier, 34095 Montpellier, France
| | - Young Kee Kang
- Department of Chemistry, Chungbuk National University, Cheongju, Chungbuk 28644, Republic of Korea
| | - Patricia Licznar-Fajardo
- Laboratoire HydroSciences Montpellier, UMR 5569, CNRS, UM, IRD, Département d’Hygiène Hospitalière−CHU Montpellier, 34095 Montpellier, France
| | - Ludovic T. Maillard
- Institut des Biomolécules Max Mousseron, UMR 5247, CNRS, UM, ENSCM, UFR des Sciences Pharmaceutiques et Biologiques, 15 Avenue Charles Flahault, 34093 Montpellier Cedex 5, France
| | - Nicolas Masurier
- Institut des Biomolécules Max Mousseron, UMR 5247, CNRS, UM, ENSCM, UFR des Sciences Pharmaceutiques et Biologiques, 15 Avenue Charles Flahault, 34093 Montpellier Cedex 5, France
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24
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Sang P, Shi Y, Higbee P, Wang M, Abdulkadir S, Lu J, Daughdrill G, Chen J, Cai J. Rational Design and Synthesis of Right-Handed d-Sulfono-γ-AApeptide Helical Foldamers as Potent Inhibitors of Protein-Protein Interactions. J Org Chem 2020; 85:10552-10560. [PMID: 32700908 DOI: 10.1021/acs.joc.0c00996] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Novel unprecedented helical foldamers have been effectively designed and synthesized. The homogeneous right-handed d-sulfono-γ-AApeptides represent a new generation of unnatural helical peptidomimetics, which have similar folding conformation to α-peptides, making them an ideal molecular scaffold to design α-helical mimetics. As demonstrated with p53-MDM2 PPI as a model application, the right-handed d-sulfono-γ-AApeptides reveal much-enhanced binding affinity compared to the p53 peptide. The design of d-sulfono-γ-AApeptides may provide a new and alternative strategy to modulate protein-protein interactions.
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Affiliation(s)
- Peng Sang
- Department of Chemistry, University of South Florida, 4202 E. Fowler Ave., Tampa, Florida 33620, United States
| | - Yan Shi
- Department of Chemistry, University of South Florida, 4202 E. Fowler Ave., Tampa, Florida 33620, United States
| | - Pirada Higbee
- Department of Cell Biology, Microbiology and Molecular Biology, University of South Florida, Tampa, Florida 33620, United States
| | - Minghui Wang
- Department of Chemistry, University of South Florida, 4202 E. Fowler Ave., Tampa, Florida 33620, United States
| | - Sami Abdulkadir
- Department of Chemistry, University of South Florida, 4202 E. Fowler Ave., Tampa, Florida 33620, United States
| | - Junhao Lu
- Department of Molecular Oncology, H. Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Drive, Tampa, Florida 33612, United States
| | - Gary Daughdrill
- Department of Cell Biology, Microbiology and Molecular Biology, University of South Florida, Tampa, Florida 33620, United States
| | - Jiandong Chen
- Department of Molecular Oncology, H. Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Drive, Tampa, Florida 33612, United States
| | - Jianfeng Cai
- Department of Chemistry, University of South Florida, 4202 E. Fowler Ave., Tampa, Florida 33620, United States
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25
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Blodgett KN, Jang G, Kim S, Kim MK, Choi SH, Zwier TS. Coexistence of Left- and Right-Handed 12/10-Mixed Helices in Cyclically Constrained β-Peptides and Directed Formation of Single-Handed Helices upon Site-Specific Methylation. J Phys Chem A 2020; 124:5856-5870. [PMID: 32497433 DOI: 10.1021/acs.jpca.0c03545] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The inherent conformational preferences of the neutral β-peptide foldamer series, Ac-(ACHC)n-NHBn, n = 2-4, are studied in the gas phase using conformation-specific IR-UV double resonance methods. The cyclically constrained chiral β-amino acid cis-2-aminocyclohexane carboxylic acid (ACHC) is designed to bring both right- and left-handed helices into close energetic proximity. Comparison of the infrared spectra in the NH stretch and amide I/II regions with the predictions of DFT calculations lead to the unambiguous assignment of four out of the six observed conformations of the molecules in this series, while corroborating computational and spectral evidence, affords tentative assignments of the remaining two conformers for which IR data were not recorded. The observed structures fall into one of two conformational families: a right-handed 12/10-mixed helix or its "cap-disrupted" left-handed helical analogue, which coexist with significant populations. Site-specific and stereospecific methylation on the cyclohexane backbone at the dipeptide (n = 2) level is also tested as a means to sterically lock in a predetermined cyclohexane chair conformation. These substitutions are proven to be a means of selectively driving formation of one helical screw sense or the other. Calculated relative energies and free energies of all possible structures for the molecules provide strong supporting evidence that the rigid nature of the ACHC residue confers unusual stability to the 12/10-mixed helix conformation, regardless of local environment, temperature, or C-terminal capping unit. The simultaneous presence of both handed helices offers unique opportunities for future studies of their interconversion.
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Affiliation(s)
- Karl N Blodgett
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907-2084, United States
| | - Geunhyuk Jang
- Department of Chemistry, Yonsei University, Seoul 03722, Korea
| | - Sojung Kim
- Department of Chemistry, Yonsei University, Seoul 03722, Korea
| | - Min Kyung Kim
- Department of Chemistry, Yonsei University, Seoul 03722, Korea
| | - Soo Hyuk Choi
- Department of Chemistry, Yonsei University, Seoul 03722, Korea
| | - Timothy S Zwier
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907-2084, United States
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26
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Zhou M, Xiao X, Cong Z, Wu Y, Zhang W, Ma P, Chen S, Zhang H, Zhang D, Zhang D, Luan X, Mai Y, Liu R. Water‐Insensitive Synthesis of Poly‐β‐Peptides with Defined Architecture. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202001697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Min Zhou
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Ximian Xiao
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Zihao Cong
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Yueming Wu
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Wenjing Zhang
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Pengcheng Ma
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Sheng Chen
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Haodong Zhang
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Danfeng Zhang
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Donghui Zhang
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Xiangfeng Luan
- School of Chemistry and Chemical Engineering, Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing Shanghai Jiao Tong University Shanghai 200240 China
| | - Yiyong Mai
- School of Chemistry and Chemical Engineering, Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing Shanghai Jiao Tong University Shanghai 200240 China
| | - Runhui Liu
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
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Zhou M, Xiao X, Cong Z, Wu Y, Zhang W, Ma P, Chen S, Zhang H, Zhang D, Zhang D, Luan X, Mai Y, Liu R. Water‐Insensitive Synthesis of Poly‐β‐Peptides with Defined Architecture. Angew Chem Int Ed Engl 2020; 59:7240-7244. [DOI: 10.1002/anie.202001697] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Indexed: 12/24/2022]
Affiliation(s)
- Min Zhou
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Ximian Xiao
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Zihao Cong
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Yueming Wu
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Wenjing Zhang
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Pengcheng Ma
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Sheng Chen
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Haodong Zhang
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Danfeng Zhang
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Donghui Zhang
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
| | - Xiangfeng Luan
- School of Chemistry and Chemical Engineering, Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing Shanghai Jiao Tong University Shanghai 200240 China
| | - Yiyong Mai
- School of Chemistry and Chemical Engineering, Shanghai Key Laboratory of Electrical Insulation and Thermal Ageing Shanghai Jiao Tong University Shanghai 200240 China
| | - Runhui Liu
- State Key Laboratory of Bioreactor Engineering Key Laboratory for Ultrafine Materials of Ministry of Education Research Center for Biomedical Materials of Ministry of Education School of Materials Science and Engineering East China University of Science and Technology Shanghai 200237 China
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28
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Amabili P, Biavasco F, Brenciani A, Citterio B, Corbisiero D, Ferrazzano L, Fioriti S, Guerra G, Orena M, Rinaldi S. Simple amphiphilic α-hydrazido acids: Rational design, synthesis, and in vitro bioactivity profile of a novel class of potential antimicrobial compounds. Eur J Med Chem 2020; 189:112072. [DOI: 10.1016/j.ejmech.2020.112072] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 01/10/2020] [Accepted: 01/13/2020] [Indexed: 01/07/2023]
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29
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Sang P, Shi Y, Lu J, Chen L, Yang L, Borcherds W, Abdulkadir S, Li Q, Daughdrill G, Chen J, Cai J. α-Helix-Mimicking Sulfono-γ-AApeptide Inhibitors for p53-MDM2/MDMX Protein-Protein Interactions. J Med Chem 2020; 63:975-986. [PMID: 31971801 PMCID: PMC7025332 DOI: 10.1021/acs.jmedchem.9b00993] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The use of peptidomimetic scaffolds is a promising strategy for the inhibition of protein-protein interactions (PPIs). Herein, we demonstrate that sulfono-γ-AApeptides can be rationally designed to mimic the p53 α-helix and inhibit p53-MDM2 PPIs. The best inhibitor, with Kd and IC50 values of 26 nM and 0.891 μM toward MDM2, respectively, is among the most potent unnatural peptidomimetic inhibitors disrupting the p53-MDM2/MDMX interaction. Using fluorescence polarization assays, circular dichroism, nuclear magnetic resonance spectroscopy, and computational simulations, we demonstrate that sulfono-γ-AApeptides adopt helical structures resembling p53 and competitively inhibit the p53-MDM2 interaction by binding to the hydrophobic cleft of MDM2. Intriguingly, the stapled sulfono-γ-AApeptides showed promising cellular activity by enhancing p53 transcriptional activity and inducing expression of MDM2 and p21. Moreover, sulfono-γ-AApeptides exhibited remarkable resistance to proteolysis, augmenting their biological potential. Our results suggest that sulfono-γ-AApeptides are a new class of unnatural helical foldamers that disrupt PPIs.
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Affiliation(s)
- Peng Sang
- Department of Chemistry , University of South Florida , 4202 E. Fowler Avenue , Tampa , Florida 33620 , United States
| | - Yan Shi
- Department of Chemistry , University of South Florida , 4202 E. Fowler Avenue , Tampa , Florida 33620 , United States
| | - Junhao Lu
- Department of Molecular Oncology , H. Lee Moffitt Cancer Center and Research Institute , 12902 Magnolia Drive , Tampa , Florida 33612 , United States
| | - Lihong Chen
- Department of Molecular Oncology , H. Lee Moffitt Cancer Center and Research Institute , 12902 Magnolia Drive , Tampa , Florida 33612 , United States
| | - Leixiang Yang
- Department of Molecular Oncology , H. Lee Moffitt Cancer Center and Research Institute , 12902 Magnolia Drive , Tampa , Florida 33612 , United States
| | - Wade Borcherds
- Department of Cell Biology, Microbiology and Molecular Biology , University of South Florida , Tampa , Florida 33620 , United States
| | - Sami Abdulkadir
- Department of Chemistry , University of South Florida , 4202 E. Fowler Avenue , Tampa , Florida 33620 , United States
| | - Qi Li
- Department of Medical Oncology , Shuguang Hospital, Shanghai University of Traditional Chinese Medicine , Shanghai 201203 , China
| | - Gary Daughdrill
- Department of Cell Biology, Microbiology and Molecular Biology , University of South Florida , Tampa , Florida 33620 , United States
| | - Jiandong Chen
- Department of Molecular Oncology , H. Lee Moffitt Cancer Center and Research Institute , 12902 Magnolia Drive , Tampa , Florida 33612 , United States
| | - Jianfeng Cai
- Department of Chemistry , University of South Florida , 4202 E. Fowler Avenue , Tampa , Florida 33620 , United States
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30
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Wu Y, Xia G, Zhang W, Chen K, Bi Y, Liu S, Zhang W, Liu R. Structural design and antimicrobial properties of polypeptides and saccharide–polypeptide conjugates. J Mater Chem B 2020; 8:9173-9196. [DOI: 10.1039/d0tb01916j] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The development and progress of antimicrobial polypeptides and saccharide–polypeptide conjugates in regards to their structural design, biological functions and antimicrobial mechanism.
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Affiliation(s)
- Yueming Wu
- State Key Laboratory of Bioreactor Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Guixue Xia
- Frontiers Science Center for Materiobiology and Dynamic Chemistry
- Key Laboratory of Specially Functional Polymeric Materials and Related Technology (ECUST) Ministry of Education
- School of Materials Science and Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Weiwei Zhang
- Frontiers Science Center for Materiobiology and Dynamic Chemistry
- Key Laboratory of Specially Functional Polymeric Materials and Related Technology (ECUST) Ministry of Education
- School of Materials Science and Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Kang Chen
- Frontiers Science Center for Materiobiology and Dynamic Chemistry
- Key Laboratory of Specially Functional Polymeric Materials and Related Technology (ECUST) Ministry of Education
- School of Materials Science and Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Yufang Bi
- Frontiers Science Center for Materiobiology and Dynamic Chemistry
- Key Laboratory of Specially Functional Polymeric Materials and Related Technology (ECUST) Ministry of Education
- School of Materials Science and Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Shiqi Liu
- Frontiers Science Center for Materiobiology and Dynamic Chemistry
- Key Laboratory of Specially Functional Polymeric Materials and Related Technology (ECUST) Ministry of Education
- School of Materials Science and Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Wenjing Zhang
- Frontiers Science Center for Materiobiology and Dynamic Chemistry
- Key Laboratory of Specially Functional Polymeric Materials and Related Technology (ECUST) Ministry of Education
- School of Materials Science and Engineering
- East China University of Science and Technology
- Shanghai 200237
| | - Runhui Liu
- State Key Laboratory of Bioreactor Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
- Frontiers Science Center for Materiobiology and Dynamic Chemistry
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31
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Chu W, Yang Y, Cai J, Kong H, Bai M, Fu X, Qin S, Zhang E. Synthesis and Bioactivities of New Membrane-Active Agents with Aromatic Linker: High Selectivity and Broad-Spectrum Antibacterial Activity. ACS Infect Dis 2019; 5:1535-1545. [PMID: 31328496 DOI: 10.1021/acsinfecdis.9b00078] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The worldwide emergence of microbial resistance to antibiotics constitutes an important and growing public health threat, and novel antibiotics are urgently needed. In this report, a series of symmetrical membrane-active agents linked by an aromatic nucleus were designed and synthesized. Some showed high antibacterial activity against clinical drug-resistant bacterial isolates including methicillin-resistant Staphylococcus aureus (MRSA), carbapenemase-producing Enterobacter aerogenes, and delhi metallo-β-lactamase-1-producing Enterobacteriaceae (NDM-1), as well as drug-sensitive bacteria including Staphylococcus aureus, Enterococcus faecalis, Escherichia coli, and Stenotrophomonas maltophilia. Lead compound 2n, with good selectivity for S. aureus (minimum inhibitory concentration [MIC] 0.25 μg/mL) versus mammalian erythrocytes (hemolytic concentration [HC50] 1211 μg/mL), had notable properties, including stability in complex mammalian fluids, rapid killing of pathogens, ability to eradicate established biofilms, and little induction of bacterial drug-resistance. In a mouse MRSA infection model, compound 2n exhibited a similar level of efficacy to vancomycin in killing bacteria and suppressing inflammation, demonstrating its therapeutic potential.
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Affiliation(s)
- Wenchao Chu
- School of Pharmaceutical Sciences, Institute of Drug Discovery and Development, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, Zhengzhou University, Zhengzhou 450001, PR China
| | - Yi Yang
- School of Pharmaceutical Sciences, Institute of Drug Discovery and Development, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, Zhengzhou University, Zhengzhou 450001, PR China
| | - Jianfeng Cai
- Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
| | - Hongtao Kong
- School of Pharmaceutical Sciences, Institute of Drug Discovery and Development, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, Zhengzhou University, Zhengzhou 450001, PR China
| | - Mengmeng Bai
- School of Pharmaceutical Sciences, Institute of Drug Discovery and Development, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, Zhengzhou University, Zhengzhou 450001, PR China
| | - Xiangjing Fu
- School of Pharmaceutical Sciences, Institute of Drug Discovery and Development, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, Zhengzhou University, Zhengzhou 450001, PR China
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Zhengzhou 450001, PR China
| | - Shangshang Qin
- School of Pharmaceutical Sciences, Institute of Drug Discovery and Development, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, Zhengzhou University, Zhengzhou 450001, PR China
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Zhengzhou 450001, PR China
| | - En Zhang
- School of Pharmaceutical Sciences, Institute of Drug Discovery and Development, Key Laboratory of Advanced Pharmaceutical Technology, Ministry of Education of China, Zhengzhou University, Zhengzhou 450001, PR China
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province, Zhengzhou 450001, PR China
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32
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Inhibition of β-catenin/B cell lymphoma 9 protein-protein interaction using α-helix-mimicking sulfono-γ-AApeptide inhibitors. Proc Natl Acad Sci U S A 2019; 116:10757-10762. [PMID: 31088961 DOI: 10.1073/pnas.1819663116] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
The rational design of α-helix-mimicking peptidomimetics provides a streamlined approach to discover potent inhibitors for protein-protein interactions (PPIs). However, designing cell-penetrating long peptidomimetic scaffolds equipped with various functional groups necessary for interacting with large protein-binding interfaces remains challenging. This is particularly true for targeting β-catenin/BCL9 PPIs. Here we designed a series of unprecedented helical sulfono-γ-AApeptides that mimic the binding mode of the α-helical HD2 domain of B Cell Lymphoma 9 (BCL9). Our studies show that sulfono-γ-AApeptides can structurally and functionally mimic the α-helical domain of BCL9 and selectively disrupt β-catenin/BCL9 PPIs with even higher potency. More intriguingly, these sulfono-γ-AApeptides can enter cancer cells, bind with β-catenin and disrupt β-catenin/BCL9 PPIs, and exhibit excellent cellular activity, which is much more potent than the BCL9 peptide. Furthermore, our enzymatic stability studies demonstrate the remarkable stability of the helical sulfono-γ-AApeptides, with no degradation in the presence of pronase for 24 h, augmenting their biological potential. This work represents not only an example of helical sulfono-γ-AApeptides that mimic α-helix and disrupt protein-protein interactions, but also an excellent example of potent, selective, and cell-permeable unnatural foldameric peptidomimetics that disrupt the β-catenin/BCL9 PPI. The design of helical sulfono-γ-AApeptides may lead to a new strategy to modulate a myriad of protein-protein interactions.
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33
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De Raffele D, Martí S, Moliner V. QM/MM Theoretical Studies of a de Novo Retro-Aldolase Design. ACS Catal 2019. [DOI: 10.1021/acscatal.8b04457] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Daria De Raffele
- Departament de Química Física i Analítica, Universitat Jaume I, 12071 Castellón, Spain
| | - Sergio Martí
- Departament de Química Física i Analítica, Universitat Jaume I, 12071 Castellón, Spain
| | - Vicent Moliner
- Departament de Química Física i Analítica, Universitat Jaume I, 12071 Castellón, Spain
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34
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Ghosh C, Sarkar P, Issa R, Haldar J. Alternatives to Conventional Antibiotics in the Era of Antimicrobial Resistance. Trends Microbiol 2019; 27:323-338. [PMID: 30683453 DOI: 10.1016/j.tim.2018.12.010] [Citation(s) in RCA: 371] [Impact Index Per Article: 74.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 11/30/2018] [Accepted: 12/19/2018] [Indexed: 02/07/2023]
Abstract
As more antibiotics are rendered ineffective by drug-resistant bacteria, focus must be shifted towards alternative therapies for treating infections. Although several alternatives already exist in nature, the challenge is to implement them in clinical use. Advancements within biotechnology, genetic engineering, and synthetic chemistry have opened up new avenues towards the search for therapies that can substitute for antibiotics. This review provides an introduction to the various promising approaches that have been adopted in this regard. Whilst the use of bacteriophages and antibodies has been partly implemented, other promising strategies, such as probiotics, lysins, and antimicrobial peptides, are in various stages of development. Propitious concepts such as genetically modified phages, antibacterial oligonucleotides, and CRISPR-Cas9 are also discussed.
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Affiliation(s)
- Chandradhish Ghosh
- Antimicrobial Research Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru 560064, India
| | - Paramita Sarkar
- Antimicrobial Research Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru 560064, India
| | - Rahaf Issa
- Department of Infection, Immunity and Cardiovascular Diseases, The University of Sheffield, Sheffield, UK
| | - Jayanta Haldar
- Antimicrobial Research Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru 560064, India.
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35
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Datta LP, Dutta D, Chakraborty A, Das TK. Tyrosine based cationic acrylates as potent antimicrobial agents against shigellosis. Biomater Sci 2019; 7:2611-2622. [DOI: 10.1039/c8bm01588k] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Design of tyrosine-based cationic polymers with antimicrobial activities.
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Affiliation(s)
- Lakshmi Priya Datta
- Department of Biochemistry and Biophysics
- University of Kalyani
- Kalyani-741235
- India
| | - Debanjan Dutta
- Department of Biochemistry and Biophysics
- University of Kalyani
- Kalyani-741235
- India
| | - Arpita Chakraborty
- Department of Biochemistry and Biophysics
- University of Kalyani
- Kalyani-741235
- India
| | - Tapan Kumar Das
- Department of Biochemistry and Biophysics
- University of Kalyani
- Kalyani-741235
- India
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36
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Lee MR, Raman N, Ortiz-Bermúdez P, Lynn DM, Palecek SP. 14-Helical β-Peptides Elicit Toxicity against C. albicans by Forming Pores in the Cell Membrane and Subsequently Disrupting Intracellular Organelles. Cell Chem Biol 2018; 26:289-299.e4. [PMID: 30581136 DOI: 10.1016/j.chembiol.2018.11.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 09/16/2018] [Accepted: 11/01/2018] [Indexed: 12/21/2022]
Abstract
Synthetic peptidomimetics of antimicrobial peptides (AMPs) are promising antimicrobial drug candidates because they promote membrane disruption and exhibit greater structural and proteolytic stability than natural AMPs. We previously reported selective antifungal 14-helical β-peptides, but the mechanism of antifungal toxicity of β-peptides remains unknown. To provide insight into the mechanism, we studied antifungal β-peptide binding to artificial membranes and living Candida albicans cells. We investigated the ability of β-peptides to interact with and permeate small unilamellar vesicle models of fungal membranes. The partition coefficient supported a pore-mediated mechanism characterized by the existence of a critical β-peptide concentration separating low- and high-partition coefficient regimes. Live cell intracellular tracking of β-peptides showed that β-peptides translocated into the cytoplasm, and then disrupted the nucleus and vacuole sequentially, leading to cell death. This understanding of the mechanisms of antifungal activity will facilitate design and development of peptidomimetic AMPs, including 14-helical β-peptides, for antifungal applications.
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Affiliation(s)
- Myung-Ryul Lee
- Department of Chemical and Biological Engineering, University of Wisconsin - Madison, Madison, WI 53706, USA
| | - Namrata Raman
- Department of Chemical and Biological Engineering, University of Wisconsin - Madison, Madison, WI 53706, USA
| | - Patricia Ortiz-Bermúdez
- Department of Chemical Engineering, University of Puerto Rico, Mayagüez Campus, Mayagüez, Puerto Rico
| | - David M Lynn
- Department of Chemical and Biological Engineering, University of Wisconsin - Madison, Madison, WI 53706, USA; Department of Chemistry, University of Wisconsin - Madison, Madison, WI 53706, USA.
| | - Sean P Palecek
- Department of Chemical and Biological Engineering, University of Wisconsin - Madison, Madison, WI 53706, USA.
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37
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Brown JS, Mohamed ZJ, Artim CM, Thornlow DN, Hassler JF, Rigoglioso VP, Daniel S, Alabi CA. Antibacterial isoamphipathic oligomers highlight the importance of multimeric lipid aggregation for antibacterial potency. Commun Biol 2018; 1:220. [PMID: 30534612 PMCID: PMC6286309 DOI: 10.1038/s42003-018-0230-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Accepted: 11/13/2018] [Indexed: 12/02/2022] Open
Abstract
Cationic charge and hydrophobicity have long been understood to drive the potency and selectivity of antimicrobial peptides (AMPs). However, these properties alone struggle to guide broad success in vivo, where AMPs must differentiate bacterial and mammalian cells, while avoiding complex barriers. New parameters describing the biophysical processes of membrane disruption could provide new opportunities for antimicrobial optimization. In this work, we utilize oligothioetheramides (oligoTEAs) to explore the membrane-targeting mechanism of oligomers, which have the same cationic charge and hydrophobicity, yet show a unique ~ 10-fold difference in antibacterial potency. Solution-phase characterization reveals little difference in structure and dynamics. However, fluorescence microscopy of oligomer-treated Staphylococcus aureus mimetic membranes shows multimeric lipid aggregation that correlates with biological activity and helps establish a framework for the kinetic mechanism of action. Surface plasmon resonance supports the kinetic framework and supports lipid aggregation as a driver of antimicrobial function. Joseph Brown et al. use oligothioetheramides (oligo TEAs) to show that multimeric lipid aggregation in Staphylococcus aureus mimetic membranes correlates with the biological activity of oligoTEAs. These results may explain why antimicrobial peptides with identical cationic charge and hydrophobicity show different biological activity.
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Affiliation(s)
- Joseph S Brown
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, 120 Olin Hall, Cornell University, Ithaca, NY 14853 USA
| | - Zeinab J Mohamed
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, 120 Olin Hall, Cornell University, Ithaca, NY 14853 USA
| | - Christine M Artim
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, 120 Olin Hall, Cornell University, Ithaca, NY 14853 USA
| | - Dana N Thornlow
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, 120 Olin Hall, Cornell University, Ithaca, NY 14853 USA
| | - Joseph F Hassler
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, 120 Olin Hall, Cornell University, Ithaca, NY 14853 USA
| | - Vincent P Rigoglioso
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, 120 Olin Hall, Cornell University, Ithaca, NY 14853 USA
| | - Susan Daniel
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, 120 Olin Hall, Cornell University, Ithaca, NY 14853 USA
| | - Christopher A Alabi
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, 120 Olin Hall, Cornell University, Ithaca, NY 14853 USA
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38
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Ghosh C, Harmouche N, Bechinger B, Haldar J. Aryl-Alkyl-Lysines Interact with Anionic Lipid Components of Bacterial Cell Envelope Eliciting Anti-Inflammatory and Antibiofilm Properties. ACS OMEGA 2018; 3:9182-9190. [PMID: 31459052 PMCID: PMC6645134 DOI: 10.1021/acsomega.8b01052] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Accepted: 07/30/2018] [Indexed: 05/05/2023]
Abstract
The emergence of bacterial resistance and hesitance in approving new drugs has bolstered research on membrane-active agents such as antimicrobial peptides and their synthetic derivatives as therapeutic alternatives against bacterial infections. Herein, we document the action of aryl-alkyl-lysines on liposomes mimicking bacterial membranes using solid-state nuclear magnetic resonance spectroscopy. A significant perturbation of the lipid thickness and order parameter of the lipid membrane was observed upon treatment with this class of compounds. Encouraged by these results, the ability of the most active compound (NCK-10) to interact with aggregates of lipopolysaccharides (LPSs) was studied. In vitro experiments showed that NCK-10 was able to prevent the LPS-induced stimulation of proinflammatory cytokines such as tumor necrosis factor-α and interleukin-6. The compound could also disrupt the biofilms of Pseudomonas aeruginosa in vitro and bring down the bacterial burden by more than 99% in a mice model of burn infections caused by the biofilms of P. aeruginosa.
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Affiliation(s)
- Chandradhish Ghosh
- Antimicrobial Research
Laboratory, New Chemistry Unit, Jawaharlal
Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru 560064, Karnataka, India
| | - Nicole Harmouche
- Université
de Strasbourg/CNRS, UMR7177, Institut de Chimie, 67008 Strasbourg, France
| | - Burkhard Bechinger
- Université
de Strasbourg/CNRS, UMR7177, Institut de Chimie, 67008 Strasbourg, France
| | - Jayanta Haldar
- Antimicrobial Research
Laboratory, New Chemistry Unit, Jawaharlal
Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru 560064, Karnataka, India
- E-mail: (J.H.)
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39
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Shyam R, Charbonnel N, Job A, Blavignac C, Forestier C, Taillefumier C, Faure S. 1,2,3‐Triazolium‐Based Cationic Amphipathic Peptoid Oligomers Mimicking Antimicrobial Helical Peptides. ChemMedChem 2018; 13:1513-1516. [DOI: 10.1002/cmdc.201800273] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 06/05/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Radhe Shyam
- Université Clermont Auvergne CNRS, SIGMA Clermont, ICCF 63000 Clermont-Ferrand France
| | | | - Aurélie Job
- Université Clermont Auvergne CNRS, SIGMA Clermont, ICCF 63000 Clermont-Ferrand France
| | - Christelle Blavignac
- Université Clermont Auvergne Centre Imagerie Cellulaire Santé 63000 Clermont-Ferrand France
| | | | - Claude Taillefumier
- Université Clermont Auvergne CNRS, SIGMA Clermont, ICCF 63000 Clermont-Ferrand France
| | - Sophie Faure
- Université Clermont Auvergne CNRS, SIGMA Clermont, ICCF 63000 Clermont-Ferrand France
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40
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She F, Teng P, Peguero‐Tejada A, Wang M, Ma N, Odom T, Zhou M, Gjonaj E, Wojtas L, van der Vaart A, Cai J. De Novo Left‐Handed Synthetic Peptidomimetic Foldamers. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201805184] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Fengyu She
- Department of Chemistry University of South Florida 4202 E. Fowler Avenue Tampa FL 33620 USA
| | - Peng Teng
- Department of Chemistry University of South Florida 4202 E. Fowler Avenue Tampa FL 33620 USA
| | - Alfredo Peguero‐Tejada
- Department of Chemistry University of South Florida 4202 E. Fowler Avenue Tampa FL 33620 USA
| | - Minghui Wang
- Department of Chemistry University of South Florida 4202 E. Fowler Avenue Tampa FL 33620 USA
| | - Ning Ma
- Department of Chemistry University of South Florida 4202 E. Fowler Avenue Tampa FL 33620 USA
| | - Timothy Odom
- Department of Chemistry University of South Florida 4202 E. Fowler Avenue Tampa FL 33620 USA
| | - Mi Zhou
- Department of Chemistry University of South Florida 4202 E. Fowler Avenue Tampa FL 33620 USA
| | - Erald Gjonaj
- Department of Chemistry University of South Florida 4202 E. Fowler Avenue Tampa FL 33620 USA
| | - Lukasz Wojtas
- Department of Chemistry University of South Florida 4202 E. Fowler Avenue Tampa FL 33620 USA
| | - Arjan van der Vaart
- Department of Chemistry University of South Florida 4202 E. Fowler Avenue Tampa FL 33620 USA
| | - Jianfeng Cai
- Department of Chemistry University of South Florida 4202 E. Fowler Avenue Tampa FL 33620 USA
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She F, Teng P, Peguero-Tejada A, Wang M, Ma N, Odom T, Zhou M, Gjonaj E, Wojtas L, van der Vaart A, Cai J. De Novo Left-Handed Synthetic Peptidomimetic Foldamers. Angew Chem Int Ed Engl 2018; 57:9916-9920. [PMID: 29889349 DOI: 10.1002/anie.201805184] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Indexed: 11/10/2022]
Abstract
The development of peptidomimetic helical foldamers with a wide repertoire of functions is of significant interest. Herein, we report the X-ray crystal structures of a series of homogeneous l-sulfono-γ-AA foldamers and elucidate their folding conformation at the atomic level. Single-crystal X-ray crystallography revealed that this class of oligomers fold into unprecedented dragon-boat-shaped and unexpected left-handed helices, which are stabilized by the 14-hydrogen-bonding pattern present in all sequences. These l-sulfono-γ-AApeptides have a helical pitch of 5.1 Å and exactly four side chains per turn, and the side chains lie perfectly on top of each other along the helical axis. 2D NMR spectroscopy, computational simulations, and CD studies support the folding conformation in solution. Our results provide a structural basis at the atomic level for the design of novel biomimetics with a precise arrangement of functional groups in three dimensions.
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Affiliation(s)
- Fengyu She
- Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, FL, 33620, USA
| | - Peng Teng
- Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, FL, 33620, USA
| | - Alfredo Peguero-Tejada
- Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, FL, 33620, USA
| | - Minghui Wang
- Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, FL, 33620, USA
| | - Ning Ma
- Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, FL, 33620, USA
| | - Timothy Odom
- Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, FL, 33620, USA
| | - Mi Zhou
- Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, FL, 33620, USA
| | - Erald Gjonaj
- Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, FL, 33620, USA
| | - Lukasz Wojtas
- Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, FL, 33620, USA
| | - Arjan van der Vaart
- Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, FL, 33620, USA
| | - Jianfeng Cai
- Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, FL, 33620, USA
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42
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Bolarinwa O, Cai J. Developments with investigating descriptors for antimicrobial AApeptides and their derivatives. Expert Opin Drug Discov 2018; 13:727-739. [PMID: 29933702 DOI: 10.1080/17460441.2018.1487950] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
INTRODUCTION The development of multidrug-resistant strains of bacteria resulting from prolonged treatment with conventional antibiotics has necessitated the need for continuous research for better antibiotic strategies. One of these alternatives is evolutionary antimicrobial peptides also known as host-defense peptides (HDPs). HDPs are an integral part of the innate defense system in multicellular eukaryotes. Although HDPs can largely circumvent the persistent problem of antibiotic resistance due to their bacteriolytic membrane mechanism, they have some drawbacks including a low activity profile and protease instability. AApeptides have recently been introduced as a new class of peptidomimetics with resistance to proteolysis, improved activity profile, and limitless possibilities for structural diversity. Furthermore, they have shown excellent antimicrobial activity. Areas covered: This review updates the reader on the latest developments of antimicrobial AApeptides, the various derivatizations, and their development for antimicrobial applications. The most recent findings on the heterogeneous γ-AA backbone are also outlined. Expert opinion: AApeptides have found diverse applications in antimicrobial studies. AApeptides are believed to exhibit bactericidal properties by imitating the membranolytic action of HDPs. They have shown broad-spectrum antimicrobial activity and are active against medicinally relevant drug-resistant pathogens. AApeptides and their derivatives could gain therapeutic relevance in the design and development of antibiotic agents.
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Affiliation(s)
- Olapeju Bolarinwa
- a Department of Chemistry , University of South Florida , Tampa , FL , USA
| | - Jianfeng Cai
- a Department of Chemistry , University of South Florida , Tampa , FL , USA
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Boschert D, Schneider-Chaabane A, Himmelsbach A, Eickenscheidt A, Lienkamp K. Synthesis and Bioactivity of Polymer-Based Synthetic Mimics of Antimicrobial Peptides (SMAMPs) Made from Asymmetrically Disubstituted Itaconates. Chemistry 2018; 24:8217-8227. [PMID: 29600579 PMCID: PMC7611503 DOI: 10.1002/chem.201800907] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 03/26/2018] [Indexed: 12/27/2022]
Abstract
A series of asymmetrically disubstituted diitaconate monomers is presented. Starting from itaconic anhydride, functional groups could be placed selectively at the two nonequivalent carbonyl groups. By using 2D NMR spectroscopy, it was shown that the first functionalization step occurred at the carbonyl group in the β position to the double bond. These monomers were copolymerized with N,N-dimethylacrylamide (DMAA) to yield polymer-based synthetic mimics of antimicrobial peptides (SMAMPs). They were obtained by free radical polymerization, a metal-free process, and still maintained facial amphiphilicity at the repeat unit level. This eliminates the need for laborious metal removal and is advantageous from a regulatory and product safety perspective. The poly(diitaconate-co-DMAA) copolymers obtained were statistical to alternating, and the monomer feed ratio roughly matched that of the repeat unit content of the copolymers. Investigations of varied R group hydrophobicity, repeat unit ratio, and molecular mass on antimicrobial activity against Escherichia coli and on compatibility with human keratinocytes showed that the polymers with the longest R groups and lowest DMAA content were the most antimicrobial and hemolytic. This is in agreement with the biological activity of previously reported SMAMPs. Thus, the design concept of facial amphiphilicity has successfully been transferred, but the selectivity of these polymers for bacteria over mammalian cells still needs to be optimized.
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Affiliation(s)
- David Boschert
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) and Department of Microsystems Engineering (IMTEK), Albert-Ludwigs-Universität, Georges-Köhler-Allee 105, 79110 Freiburg, Germany
| | - Alexandra Schneider-Chaabane
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) and Department of Microsystems Engineering (IMTEK), Albert-Ludwigs-Universität, Georges-Köhler-Allee 105, 79110 Freiburg, Germany
| | - Andreas Himmelsbach
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) and Department of Microsystems Engineering (IMTEK), Albert-Ludwigs-Universität, Georges-Köhler-Allee 105, 79110 Freiburg, Germany
| | - Alice Eickenscheidt
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) and Department of Microsystems Engineering (IMTEK), Albert-Ludwigs-Universität, Georges-Köhler-Allee 105, 79110 Freiburg, Germany
| | - Karen Lienkamp
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) and Department of Microsystems Engineering (IMTEK), Albert-Ludwigs-Universität, Georges-Köhler-Allee 105, 79110 Freiburg, Germany
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44
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Blodgett KN, Zhu X, Walsh PS, Sun D, Lee J, Choi SH, Zwier TS. Conformer-Specific and Diastereomer-Specific Spectroscopy of αβα Synthetic Foldamers: Ac–Ala−βACHC–Ala–NHBn. J Phys Chem A 2018; 122:3697-3710. [PMID: 29558801 DOI: 10.1021/acs.jpca.8b01273] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Karl N. Blodgett
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907-2084, United States
| | - Xiao Zhu
- Research Computing, Information Technology at Purdue (ITaP), West Lafayette, Indiana 47907-2114, United States
| | - Patrick S. Walsh
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907-2084, United States
| | - Dewei Sun
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907-2084, United States
| | - Jaeyeon Lee
- Department of Chemistry, Yonsei University, Seoul 03722, Korea
| | - Soo Hyuk Choi
- Department of Chemistry, Yonsei University, Seoul 03722, Korea
| | - Timothy S. Zwier
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907-2084, United States
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45
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Feng Y, Zhang YY, Li K, Tian N, Wang WB, Zhou QX, Wang XS. Photocleavable antimicrobial peptide mimics for precluding antibiotic resistance. NEW J CHEM 2018. [DOI: 10.1039/c8nj00015h] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
UV-cleavable antimicrobial peptide mimics were synthesized to address environmental accumulation issues.
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Affiliation(s)
- Yang Feng
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Beijing 100190
- P. R. China
| | - Yang-Yang Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Beijing 100190
- P. R. China
| | - Ke Li
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Beijing 100190
- P. R. China
| | - Na Tian
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Beijing 100190
- P. R. China
| | - Wei-Bo Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Beijing 100190
- P. R. China
| | - Qian-Xiong Zhou
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Beijing 100190
- P. R. China
| | - Xue-Song Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry
- Chinese Academy of Sciences
- Beijing 100190
- P. R. China
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46
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47
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Wani NA, Singh G, Shankar S, Sharma A, Katoch M, Rai R. Short hybrid peptides incorporating β- and γ-amino acids as antimicrobial agents. Peptides 2017; 97:46-53. [PMID: 28962891 DOI: 10.1016/j.peptides.2017.09.016] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Revised: 09/25/2017] [Accepted: 09/25/2017] [Indexed: 12/17/2022]
Abstract
The peptides containing β- and γ-amino acids, LA-Lys-PEA, P1; LA-Lys-β3,3-Ac6c-PEA, P2; LA-Orn-β3,3-Ac6c-PEA, P3; LA-Lys-Gpn-PEA, P4; LA-Orn-Gpn-PEA, P5; LA-Lys-γ4-Phe-PEA, P6, LA-γ4-Leu-Lys-PEA, P7 and LA-β3,3-Pip(Ac)-Lys-PEA, P8 were synthesized, characterized and evaluated against Gram-positive and Gram-negative bacteria. Among all, peptides P2, P3, P4 and P5 exhibited potent activity (MIC 6.25μM) against S. aureus MTCC 737 and P. aeruginosa MTCC 424. In order to understand the efficacy of peptides and mechanism of action, time kill kinetics and fluorescence microscopic studies were performed against S. aureus and P. aeruginosa for the peptides P2, P3, P4 and P5. P4 took half time to show the bactericidal effect on P. aeruginosa and S. aureus in comparison to P2 at their 2x MICs. Fluorescence microscopic studies suggested that peptides P2 and P4 both killed the bacteria via membrane disruption. Further, P4 exhibited lowest haemolytic activity among active peptides and negligible cytotoxic activity against human cancer cell lines A-549, PC-3 and HCT-116 at its MIC.
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Affiliation(s)
- Naiem Ahmad Wani
- Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu-180001, India
| | - Gurpreet Singh
- Microbial Biotechnology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu-180001 India; Academy of Scientific and Innovative Research, New Delhi, India
| | - Sudha Shankar
- Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu-180001, India; Academy of Scientific and Innovative Research, New Delhi, India
| | - Arushi Sharma
- Microbial Biotechnology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu-180001 India
| | - Meenu Katoch
- Microbial Biotechnology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu-180001 India; Academy of Scientific and Innovative Research, New Delhi, India.
| | - Rajkishor Rai
- Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu-180001, India; Academy of Scientific and Innovative Research, New Delhi, India.
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Seoudi RS, Mechler A. Design Principles of Peptide Based Self-Assembled Nanomaterials. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 1030:51-94. [DOI: 10.1007/978-3-319-66095-0_4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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49
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Baul U, Vemparala S. Influence of lipid composition of model membranes on methacrylate antimicrobial polymer-membrane interactions. SOFT MATTER 2017; 13:7665-7676. [PMID: 28991313 DOI: 10.1039/c7sm01211j] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Using atomistic molecular dynamics simulations, the role of lipid composition in the interactions of multiple methacrylate antimicrobial polymer agents with model membranes, and the consequent response of the membranes is studied. In our earlier study, methacrylate polymers were observed to induce phase demixing and associated thickness mismatch in a POPE-POPG model microbial membrane. In this work, we probe (1) the role of varying the degree of saturation in lipid acyl chains in the membrane interactions of methacrylate polymers, and (2) whether electrostatics (addition of anionic lipids) can influence the interactions of the polymers with model mammalian membranes. Lipid composition is observed to significantly modify membrane-polymer interactions, leading to differences in both the mode of partitioning and the conformations adopted by the polymers, in addition to impacting membrane properties differently. The results strongly suggest that the oft-cited electrostatic interactions between the antimicrobial agents and the microbial membranes do not fully account for the recognition and subsequent partitioning of the antimicrobial agents. The ability of the methacrylate polymers to sense interfacial lipid packing defects, determined by the PE/PC head groups of lipids, is also found to be influential in their membrane partitioning. Deliberate inclusion of charged anionic lipids into a model mammalian membrane, leading to additional favorable electrostatics, does not reproduce a similar polymer partitioning mechanism to that in its microbial counterpart. The differences observed in the interactions of methacrylate polymers with the various model membranes can be instrumental in extending our understanding of underlying modes of membrane disruption by general antimicrobial agents as well.
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Affiliation(s)
- Upayan Baul
- Department of Chemistry, The University of Texas at Austin, 105 E. 24th St., A5300, Austin, TX 78712-1224, USA.
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50
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The interaction of antimicrobial peptides with membranes. Adv Colloid Interface Sci 2017; 247:521-532. [PMID: 28606715 DOI: 10.1016/j.cis.2017.06.001] [Citation(s) in RCA: 118] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 05/30/2017] [Accepted: 06/03/2017] [Indexed: 11/22/2022]
Abstract
The interaction of antimicrobial peptides (AMPs) with biological membranes is in the focus of research since several years, and the most important features and modes of action of AMPs are described in this review. Different model systems can be used to understand such interactions on a molecular level. As a special example, we use 2D and 3D model membranes to investigate the interaction of the natural cyclic (Ar-1) and the synthetic linear molecule arenicin with selected amphiphiles and phospholipids. A panoply of sophisticated methods has been used to analyze these interactions on a molecular level. As a general trend, one observes that cationic antimicrobial peptides do not interact with cationic amphiphiles due to electrostatic repulsion, whereas with non-ionic amphiphiles, the peptide interacts only with aggregated systems and not with monomers. The interaction is weak (hydrophobic interaction) and requires an aggregated state with a large surface (cylindrical micelles). Anionic amphiphiles (as monomers or micelles) exhibit strong electrostatic interactions with the AMPs leading to changes in the peptide conformation. Both types of peptides interact strongly with anionic phospholipid monolayers with a preference for fluid layers. The interaction with a zwitterionic layer is almost absent for the linear derivative but measurable for the cyclic arenicin Ar-1. This is in accordance with biological experiments showing that Ar-1 forms well defined stable pores in phospholipid and lipopolysaccharide (LPS) membranes (cytotoxicity). The synthetic linear arenicin, which is less cytotoxic, does not affect the mammalian lipids to such an extent. The interaction of arenicin with bacterial membrane lipids is dominated by hydrogen bonding together with electrostatic and hydrophobic interactions.
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