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Cross ER, Coulter SM, Pentlavalli S, Laverty G. Unravelling the antimicrobial activity of peptide hydrogel systems: current and future perspectives. SOFT MATTER 2021; 17:8001-8021. [PMID: 34525154 PMCID: PMC8442837 DOI: 10.1039/d1sm00839k] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 08/19/2021] [Indexed: 05/05/2023]
Abstract
The use of hydrogels has garnered significant interest as biomaterial and drug delivery platforms for anti-infective applications. For decades antimicrobial peptides have been heralded as a much needed new class of antimicrobial drugs. Self-assembling peptide hydrogels with inherent antimicrobial ability have recently come to the fore. However, their fundamental antimicrobial properties, selectivity and mechanism of action are relatively undefined. This review attempts to establish a link between antimicrobial efficacy; the self-assembly process; peptide-membrane interactions and mechanical properties by studying several reported peptide systems: β-hairpin/β-loop peptides; multidomain peptides; amphiphilic surfactant-like peptides and ultrashort/low molecular weight peptides. We also explore their role in the formation of amyloid plaques and the potential for an infection etiology in diseases such as Alzheimer's. We look briefly at innovative methods of gel characterization. These may provide useful tools for future studies within this increasingly important field.
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Affiliation(s)
- Emily R Cross
- Biofunctional Nanomaterials Group, School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, N. Ireland, BT9 7BL, UK.
| | - Sophie M Coulter
- Biofunctional Nanomaterials Group, School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, N. Ireland, BT9 7BL, UK.
| | - Sreekanth Pentlavalli
- Biofunctional Nanomaterials Group, School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, N. Ireland, BT9 7BL, UK.
| | - Garry Laverty
- Biofunctional Nanomaterials Group, School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast, N. Ireland, BT9 7BL, UK.
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2
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Scapin S, Formaggio F, Glisenti A, Biondi B, Scocchi M, Benincasa M, Peggion C. Sustainable, Site-Specific Linkage of Antimicrobial Peptides to Cotton Textiles. Macromol Biosci 2020; 20:e2000199. [PMID: 32852141 DOI: 10.1002/mabi.202000199] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/07/2020] [Indexed: 11/10/2022]
Abstract
A new general method to covalently link a peptide to cotton via thiazolidine ring formation is developed. Three different analogues of an ultrashort antibacterial peptide are synthesized to create an antibacterial fabric. The chemical ligation approach to the heterogeneous phase made up of insoluble cellulose fibers and a peptide solution in water is adapted. The selective click reaction occurs between an N-terminal cysteine on the peptide and an aldehyde on the cotton matrix. The aldehyde is generated on the primary alcohol of glucose by means of the enzyme laccase and the cocatalyst 2,2,6,6-tetramethylpiperidine-1-oxyl. This keeps the pyranose rings intact and may bring a benefit to the mechanical properties of the fabric. The presence of the peptide on cotton is demonstrated through instant colorimetric tests, UV spectroscopy, IR spectroscopy, and X-ray photoelectron spectroscopy analysis. The antibacterial activity of the peptides is maintained even after their covalent attachment to cotton fibers.
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Affiliation(s)
- Stefano Scapin
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131, Padova, Italy
| | - Fernando Formaggio
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131, Padova, Italy
| | - Antonella Glisenti
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131, Padova, Italy
| | - Barbara Biondi
- Institute of Biomolecular Chemistry, Padova Unit, CNR, Via Marzolo 1, 35131, Padova, Italy
| | - Marco Scocchi
- Department of Life Sciences, University of Trieste, Via Giorgieri 5, 34127, Trieste, Italy
| | - Monica Benincasa
- Department of Life Sciences, University of Trieste, Via Giorgieri 5, 34127, Trieste, Italy
| | - Cristina Peggion
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, 35131, Padova, Italy
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3
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Avitabile C, D'Andrea LD, D'Aversa E, Milani R, Gambari R, Romanelli A. Effect of Acylation on the Antimicrobial Activity of Temporin B Analogues. ChemMedChem 2018; 13:1549-1554. [PMID: 29920962 DOI: 10.1002/cmdc.201800289] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 05/29/2018] [Indexed: 12/20/2022]
Abstract
New peptides derived from the natural antimicrobial temporin B were obtained. The design, antimicrobial activity, and characterization of the secondary structure of peptides in the presence of bacterial cells is described herein. TB_KKG6K (KKLLPIVKNLLKSLL) has been identified as the most active analogue against Gram-positive and -negative bacteria, compared with natural temporin B (LLPIVGNLLKSLL) and TB_KKG6A (KKLLPIVANLLKSLL). Acylation with hydrophobic moieties generally led to reduced activity; however, acylation at the 6-position of TB_KKG6K led to retained sub-micromolar activity against Staphylococcus epidermidis.
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Affiliation(s)
- Concetta Avitabile
- Institute of Biostructure and Bioimaging, National Research Council-CNR, via Mezzocannone 16, 80134, Naples, Italy
| | - Luca Domenico D'Andrea
- Institute of Biostructure and Bioimaging, National Research Council-CNR, via Mezzocannone 16, 80134, Naples, Italy
| | - Elisabetta D'Aversa
- Department of Life Sciences and Biotechnology, University of Ferrara, via Fossato di Mortara 74, 44121, Ferrara, Italy
| | - Roberta Milani
- Department of Life Sciences and Biotechnology, University of Ferrara, via Fossato di Mortara 74, 44121, Ferrara, Italy
| | - Roberto Gambari
- Department of Life Sciences and Biotechnology, University of Ferrara, via Fossato di Mortara 74, 44121, Ferrara, Italy
| | - Alessandra Romanelli
- Department of Pharmaceutical Sciences, University of Milan, via Venezian 21, 20133, Milan, Italy
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4
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Pulido D, Prats-Ejarque G, Villalba C, Albacar M, Moussaoui M, Andreu D, Volkmer R, Torrent M, Boix E. Positional scanning library applied to the human eosinophil cationic protein/RNase3 N-terminus reveals novel and potent anti-biofilm peptides. Eur J Med Chem 2018; 152:590-599. [DOI: 10.1016/j.ejmech.2018.05.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Revised: 04/20/2018] [Accepted: 05/07/2018] [Indexed: 01/14/2023]
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5
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Optimisation of the antifungal potency of the amidated peptide H-Orn-Orn-Trp-Trp-NH2 against food contaminants. Int J Food Microbiol 2018; 265:40-48. [DOI: 10.1016/j.ijfoodmicro.2017.10.024] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 09/03/2017] [Accepted: 10/20/2017] [Indexed: 12/19/2022]
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6
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Koh JJ, Lin S, Beuerman RW, Liu S. Recent advances in synthetic lipopeptides as anti-microbial agents: designs and synthetic approaches. Amino Acids 2017; 49:1653-1677. [PMID: 28823054 DOI: 10.1007/s00726-017-2476-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Accepted: 07/31/2017] [Indexed: 12/31/2022]
Abstract
Infectious diseases impose serious public health burdens and continue to be a global public health crisis. The treatment of infections caused by multidrug-resistant pathogens is challenging because only a few viable therapeutic options are clinically available. The emergence and risk of drug-resistant superbugs and the dearth of new classes of antibiotics have drawn increasing awareness that we may return to the pre-antibiotic era. To date, lipopeptides have been received considerable attention because of the following properties: They exhibit potent antimicrobial activities against a broad spectrum of pathogens, rapid bactericidal activity and have a different antimicrobial action compared with most of the conventional antibiotics used today and very slow development of drug resistance tendency. In general, lipopeptides can be structurally classified into two parts: a hydrophilic peptide moiety and a hydrophobic fatty acyl chain. To date, a significant amount of design and synthesis of lipopeptides have been done to improve the therapeutic potential of lipopeptides. This review will present the current knowledge and the recent research in design and synthesis of new lipopeptides and their derivatives in the last 5 years.
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Affiliation(s)
- Jun-Jie Koh
- Singapore Eye Research Institute, The Academia, 20 College Road, Discovery Tower Level 6, Singapore, 169856, Singapore
| | - Shuimu Lin
- Singapore Eye Research Institute, The Academia, 20 College Road, Discovery Tower Level 6, Singapore, 169856, Singapore
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Roger W Beuerman
- Singapore Eye Research Institute, The Academia, 20 College Road, Discovery Tower Level 6, Singapore, 169856, Singapore.
- SRP Neuroscience and Behavioral Disorders, Duke-NUS Medical School, Singapore, 169857, Singapore.
| | - Shouping Liu
- Singapore Eye Research Institute, The Academia, 20 College Road, Discovery Tower Level 6, Singapore, 169856, Singapore.
- SRP Neuroscience and Behavioral Disorders, Duke-NUS Medical School, Singapore, 169857, Singapore.
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A Novel RNase 3/ECP Peptide for Pseudomonas aeruginosa Biofilm Eradication That Combines Antimicrobial, Lipopolysaccharide Binding, and Cell-Agglutinating Activities. Antimicrob Agents Chemother 2016; 60:6313-25. [PMID: 27527084 DOI: 10.1128/aac.00830-16] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Accepted: 07/22/2016] [Indexed: 12/19/2022] Open
Abstract
Eradication of established biofilm communities of pathogenic Gram-negative species is one of the pending challenges for the development of new antimicrobial agents. In particular, Pseudomonas aeruginosa is one of the main dreaded nosocomial species, with a tendency to form organized microbial communities that offer an enhanced resistance to conventional antibiotics. We describe here an engineered antimicrobial peptide (AMP) which combines bactericidal activity with a high bacterial cell agglutination and lipopolysaccharide (LPS) affinity. The RN3(5-17P22-36) peptide is a 30-mer derived from the eosinophil cationic protein (ECP), a host defense RNase secreted by eosinophils upon infection, with a wide spectrum of antipathogen activity. The protein displays high biofilm eradication activity that is not dependent on its RNase catalytic activity, as evaluated by using an active site-defective mutant. On the other hand, the peptide encompasses both the LPS-binding and aggregation-prone regions from the parental protein, which provide the appropriate structural features for the peptide's attachment to the bacterial exopolysaccharide layer and further improved removal of established biofilms. Moreover, the peptide's high cationicity and amphipathicity promote the cell membrane destabilization action. The results are also compared side by side with other reported AMPs effective against either planktonic and/or biofilm forms of Pseudomonas aeruginosa strain PAO1. The ECP and its derived peptide are unique in combining high bactericidal potency and cell agglutination activity, achieving effective biofilm eradication at a low micromolar range. We conclude that the designed RN3(5-17P22-36) peptide is a promising lead candidate against Gram-negative biofilms.
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da Costa Luciano C, Olson N, DeGagne P, Franca R, Tipple AFV, Alfa M. A new buildup biofilm model that mimics accumulation of material in flexible endoscope channels. J Microbiol Methods 2016; 127:224-229. [DOI: 10.1016/j.mimet.2016.06.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Revised: 06/20/2016] [Accepted: 06/20/2016] [Indexed: 01/22/2023]
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9
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Laverty G, McCloskey AP, Gorman SP, Gilmore BF. Anti-biofilm activity of ultrashort cinnamic acid peptide derivatives against medical device-related pathogens. J Pept Sci 2015; 21:770-8. [PMID: 26310860 DOI: 10.1002/psc.2805] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Revised: 06/26/2015] [Accepted: 07/06/2015] [Indexed: 11/11/2022]
Abstract
The threat of antimicrobial resistance has placed increasing emphasis on the development of innovative approaches to eradicate multidrug-resistant pathogens. Biofilm-forming microorganisms, for example, Staphylococcus epidermidis and Staphylococcus aureus, are responsible for increased incidence of biomaterial infection, extended hospital stays and patient morbidity and mortality. This paper highlights the potential of ultrashort tetra-peptide conjugated to hydrophobic cinnamic acid derivatives. These peptidomimetic molecules demonstrate selective and highly potent activity against resistant biofilm forms of Gram-positive medical device-related pathogens. 3-(4-Hydroxyphenyl)propionic)-Orn-Orn-Trp-Trp-NH2 displays particular promise with minimum biofilm eradication concentration (MBEC) values of 125 µg/ml against methicillin sensitive (ATCC 29213) and resistant (ATCC 43300) S. aureus and activity shown against biofilm forms of Escherichia coli (MBEC: 1000 µg/ml). Kill kinetics confirms complete eradication of established 24-h biofilms at MBEC with 6-h exposure. Reduced cell cytotoxicity, relative to Gram-positive pathogens, was proven via tissue culture (HaCaT) and haemolysis assays (equine erythrocytes). Existing in nature as part of the immune response, antimicrobial peptides display great promise for exploitation by the pharmaceutical industry in order to increase the library of available therapeutic molecules. Ultrashort variants are particularly promising for translation as clinical therapeutics as they are more cost-effective, easier to synthesise and can be tailored to specific functional requirements based on the primary sequence allowing factors such as spectrum of activity to be varied.
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Affiliation(s)
- Garry Laverty
- Biomaterials, Biofilm and Infection Control Research Group, School of Pharmacy, Queen's University of Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Alice P McCloskey
- Biomaterials, Biofilm and Infection Control Research Group, School of Pharmacy, Queen's University of Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Sean P Gorman
- Biomaterials, Biofilm and Infection Control Research Group, School of Pharmacy, Queen's University of Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Brendan F Gilmore
- Biomaterials, Biofilm and Infection Control Research Group, School of Pharmacy, Queen's University of Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK
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Mishra B, Lushnikova T, Wang G. Small lipopeptides possess anti-biofilm capability comparable to daptomycin and vancomycin. RSC Adv 2015; 5:59758-59769. [PMID: 26257894 DOI: 10.1039/c5ra07896b] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Antibiotic resistance, to a large extent, is related to the formation of bacterial biofilms. Thus, compounds with anti-biofilm capability are of practical importance. Inspired by the recent discovery of two amino acid lipopeptides from marine bacteria, we constructed a family of small lipopeptides with 2-3 amino acids. While no antimicrobial activity was found for anionic lipopeptides, cationic candidates are potent against Staphylococcus strains, such as methicillin-resistant Staphylococcus aureus (MRSA) USA200, USA300, USA400, UAMS-1, Newman, and Mu50. In the simplest design, two lysines (C14-KK) or three arginines (C14-RRR) attached to an acyl chain of 14 carbons were sufficient to make the compounds antimicrobial. These simple lipopeptides are inherently stable towards S. aureus V8 proteinase and fungal proteinase K, more soluble in water, and more selective than other lipopeptides containing a mixture of hydrophobic and cationic amino acids. Furthermore, the activity of C14-RRR was not compromised by salts, serum, or a change in pH. Live cell experiments revealed that these lipopeptides, with a detergent-like structure, killed bacteria rapidly by targeting cell membranes. Importantly, these compounds were also able to inhibit biofilm formation and could even disrupt preformed biofilms of clinically relevant MRSA strains with an in vitro efficacy comparable to daptomycin and vancomycin. These results indicate that small lipopeptides are potentially useful candidates for preventing or eliminating bacterial biofilms alone or in combination with daptomycin or vancomycin.
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Affiliation(s)
- Biswajit Mishra
- Department of Pathology and Microbiology, University of Nebraska Medical Center, 986495 Nebraska Medical Center, Omaha, NE 68198-6495, USA
| | - Tamara Lushnikova
- Department of Pathology and Microbiology, University of Nebraska Medical Center, 986495 Nebraska Medical Center, Omaha, NE 68198-6495, USA
| | - Guangshun Wang
- Department of Pathology and Microbiology, University of Nebraska Medical Center, 986495 Nebraska Medical Center, Omaha, NE 68198-6495, USA
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