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Thomas AM, Antony SP. Marine Antimicrobial Peptides: An Emerging Nightmare to the Life-Threatening Pathogens. Probiotics Antimicrob Proteins 2024; 16:552-578. [PMID: 37022565 DOI: 10.1007/s12602-023-10061-x] [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] [Accepted: 03/08/2023] [Indexed: 04/07/2023]
Abstract
The emergence of multidrug-resistant pathogens due to improper usage of conventional antibiotics has created a global health crisis. Alternatives to antibiotics being an urgent need, the scientific community is forced to search for new antimicrobials. This exploration has led to the discovery of antimicrobial peptides, a group of small peptides occurring in different phyla such as Porifera, Cnidaria, Annelida, Arthropoda, Mollusca, Echinodermata, and Chordata, as a component of their innate immune system. The marine environment, possessing immense diversity of organisms, is undoubtedly one of the richest sources of unique potential antimicrobial peptides. The distinctiveness of marine antimicrobial peptides lies in their broad-spectrum activity, mechanism of action, less cytotoxicity, and high stability, which form the benchmark for developing a potential therapeutic. This review aims to (1) synthesise the available information on the distinctive antimicrobial peptides discovered from marine organisms, particularly over the last decade, and (2) discuss the distinctiveness of marine antimicrobial peptides and their prospects.
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Affiliation(s)
- Anne Maria Thomas
- Department of Marine Biology, Microbiology and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology, Fine Arts Avenue, Kochi, Kerala, 682016, India
| | - Swapna P Antony
- Department of Marine Biology, Microbiology and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology, Fine Arts Avenue, Kochi, Kerala, 682016, India.
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2
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Rivera-Pérez C, Ponce González XP, Hernández-Savedra NY. Antimicrobial and anticarcinogenic activity of bioactive peptides derived from abalone viscera (Haliotis fulgens and Haliotis corrugata). Sci Rep 2023; 13:15185. [PMID: 37704667 PMCID: PMC10499822 DOI: 10.1038/s41598-023-41491-w] [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: 02/16/2023] [Accepted: 08/28/2023] [Indexed: 09/15/2023] Open
Abstract
Bioactive peptides have been studied in several sources due to their valuable potential in the pharmaceutical and food industries. Abalone viscera, which are normally discarded as byproducts, are a rich source of protein. Thus, the aim of this study was to explore the potential bioactivity of peptides derived from abalone viscera (Haliotis fulgens and Haliotis corrugata) after hydrolysis with a commercial mixture of enzymes. The hydrolysates obtained were fractionated using gel filtration chromatography. The resulting hydrolysate fractions were investigated for their antimicrobial and cytotoxic activities, including the expression of gelatinases mmp-2 and mmp-9 in human prostate cancer cell lines (PC3). Results showed antimicrobial activity for protein fractions of H. corrugata against Proteus mirabilis and Pseudomona aeuroginosa (66.2-116.25 kDa), Bacillus subtilis (6.5-21.5 kDa), and Aspergillus niger (97.4-116.25 kDa), while H. fulgens peptide fractions (200-31 kDa) displayed activity against six bacterial strains, and fractions from 116.25 to 21.5 kDa had effects on the fungus A. niger, Alternaria alternata, and Aspergillus flavus. Additionally, protein fractions displayed cytotoxic activity, inhibiting 30.4-53.8% of PC3 cellular growth. Selected fractions decreased the PMA-induced and not-induced expressions of mmp-2 and mmp-9 in PC3 cells. Abalone viscera, as byproducts, can be used as a potential source of antimicrobial and anticancer peptides.
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Affiliation(s)
- Crisalejandra Rivera-Pérez
- Centro de Investigaciones Biológicas del Noroeste, S.C., Instituto Politécnico Nacional 195, C.P. 23096, La Paz, BCS, México
| | - Xolotl Paloma Ponce González
- Centro de Investigaciones Biológicas del Noroeste, S.C., Instituto Politécnico Nacional 195, C.P. 23096, La Paz, BCS, México
| | - Norma Yolanda Hernández-Savedra
- Centro de Investigaciones Biológicas del Noroeste, S.C., Instituto Politécnico Nacional 195, C.P. 23096, La Paz, BCS, México.
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3
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Ganeshkumar A, Gonçale JC, Rajaram R, Junqueira JC. Anti-Candidal Marine Natural Products: A Review. J Fungi (Basel) 2023; 9:800. [PMID: 37623571 PMCID: PMC10455659 DOI: 10.3390/jof9080800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 07/21/2023] [Accepted: 07/26/2023] [Indexed: 08/26/2023] Open
Abstract
Candida spp. are common opportunistic microorganisms in the human body and can cause mucosal, cutaneous, and systemic infections, mainly in individuals with weakened immune systems. Candida albicans is the most isolated and pathogenic species; however, multi-drug-resistant yeasts like Candida auris have recently been found in many different regions of the world. The increasing development of resistance to common antifungals by Candida species limits the therapeutic options. In light of this, the present review attempts to discuss the significance of marine natural products in controlling the proliferation and metabolism of C. albicans and non-albicans species. Natural compounds produced by sponges, algae, sea cucumber, bacteria, fungi, and other marine organisms have been the subject of numerous studies since the 1980s, with the discovery of several products with different chemical frameworks that can inhibit Candida spp., including antifungal drug-resistant strains. Sponges fall under the topmost category when compared to all other organisms investigated. Terpenoids, sterols, and alkaloids from this group exhibit a wide array of inhibitory activity against different Candida species. Especially, hippolide J, a pair of enantiomeric sesterterpenoids isolated from the marine sponge Hippospongia lachne, exhibited strong activity against Candida albicans, Candida parapsilosis, and Candida glabrata. In addition, a comprehensive analysis was performed to unveil the mechanisms of action and synergistic activity of marine products with conventional antifungals. In general, the results of this review show that the majority of chemicals derived from the marine environment are able to control particular functions of microorganisms belonging to the Candida genus, which can provide insights into designing new anti-candidal therapies.
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Affiliation(s)
- Arumugam Ganeshkumar
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, Sao Paulo State University (UNESP), Sao Jose dos Campos 12245-000, Brazil;
- Department of Materials Physics, Saveetha School of Engineering, Saveetha Nagar, Thandalam, Chennai 602105, India
| | - Juliana Caparroz Gonçale
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, Sao Paulo State University (UNESP), Sao Jose dos Campos 12245-000, Brazil;
| | - Rajendran Rajaram
- Department of Marine Science, Bharathidasan University, Tiruchirappalli 620024, India;
| | - Juliana Campos Junqueira
- Department of Biosciences and Oral Diagnosis, Institute of Science and Technology, Sao Paulo State University (UNESP), Sao Jose dos Campos 12245-000, Brazil;
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Azeem HHAE, Osman GY, El-Seedi HR, Fallatah AM, Khalifa SAM, Gharib MM. Antifungal Activity of Soft Tissue Extract from the Garden Snail Helix aspersa (Gastropoda, Mollusca). Molecules 2022; 27:molecules27103170. [PMID: 35630647 PMCID: PMC9144933 DOI: 10.3390/molecules27103170] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/10/2022] [Accepted: 05/11/2022] [Indexed: 11/16/2022] Open
Abstract
Gastropods comprise approximately 80% of molluscans, of which land snails are used variably as food and traditional medicines due to their high protein content. Moreover, different components from land snails exhibit antimicrobial activities. In this study, we evaluated the antifungal activity of soft tissue extracts from Helix aspersa against Candida albicans, Aspergillus flavus, and Aspergillus brasiliensis by identifying extract components using liquid chromatography-tandem mass spectrometry (LC-MS-MS). Two concentrations of three extracts (methanol, acetone, and acetic acid) showed antifungal activity. Both acetone (1 g/3 mL) and acetic acid extracts (1 g/mL) significantly inhibited C.albicans growth (p = 0.0001, 5.2 ± 0.2 mm and p = 0.02, 69.7 ± 0.6 mm, respectively). A. flavus and A. brasiliensis growth were inhibited by all extracts at 1 g/mL, while inhibition was observed for acetic acid extracts against A. brasiliensis (p = 0.02, 50.3 ± 3.5 mm). The highest growth inhibition was observed for A. flavus using acetic acid and acetone extracts (inhibition zones = 38 ± 1.7 mm and 3.1 ± 0.7 mm, respectively). LC-MS-MS studies on methanol and acetone extracts identified 11-α-acetoxyprogesterone with a parent mass of 372.50800 m/z and 287.43500 m/z for luteolin. Methanol extracts contained hesperidin with a parent mass of 611.25400 m/z, whereas linoleic acid and genistein (parent mass = 280.4 and 271.48900 m/z, respectively) were the main metabolites.
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Affiliation(s)
- Hoda H. Abd-El Azeem
- Department of Zoology, Faculty of Sciences, Menoufia University, Shebin El-Kom 32512, Egypt;
- Correspondence: (H.H.A.-E.A.); (H.R.E.-S.)
| | - Gamalat Y. Osman
- Department of Zoology, Faculty of Sciences, Menoufia University, Shebin El-Kom 32512, Egypt;
| | - Hesham R. El-Seedi
- Pharmacognosy Group, Department of Pharmaceutical Biosciences, Biomedical Centre, Uppsala University, P.O. Box 591, SE 751 24 Uppsala, Sweden
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang 212013, China
- International Joint Research Laboratory of Intelligent Agriculture and Agri-Products Processing, Jiangsu Education Department, Jiangsu University, Zhenjiang 212013, China
- Department of Chemistry, Faculty of Science, Menoufia University, Shebin El-Kom 32512, Egypt
- Correspondence: (H.H.A.-E.A.); (H.R.E.-S.)
| | - Ahmed M. Fallatah
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - Shaden A. M. Khalifa
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, SE 106 91 Stockholm, Sweden;
| | - Mohamed M. Gharib
- Department of Botany, Faculty of Sciences, Menoufia University, Shebin El-Kom 32512, Egypt;
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Nag P, Paul S, Shriti S, Das S. Defence response in plants and animals against a common fungal pathogen, Fusarium oxysporum. CURRENT RESEARCH IN MICROBIAL SCIENCES 2022; 3:100135. [PMID: 35909626 PMCID: PMC9325751 DOI: 10.1016/j.crmicr.2022.100135] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 03/24/2022] [Accepted: 04/18/2022] [Indexed: 11/10/2022] Open
Abstract
Fusarium oxysporum species complex (FOSC) is considered one of the most devastating plant pathogen. FOSC is an emerging pathogen of immunocompromised individuals. Mycotoxins produced by FOSC predisposes the host to other pathogens. Comparative immune reactions in plant and invertebrate show that several antimicrobial peptides (AMPs) and secondary metabolites maybe used as control against Fusarium infection.
Plant pathogens emerging as threat to human and animal health has been a matter of concern within the scientific community. Fusarium oxysporum, predominantly a phytopathogen, can infect both plants and animals. As a plant pathogen, F. oxysporum is one of the most economically damaging pathogen. In humans, F. oxysporum can infect immunocompromised individuals and is increasingly being considered as a problematic pathogen. Mycotoxins produced by F. oxysporum supress the innate immune pathways in both plants and animals. Hence, F. oxysporum is the perfect example for studying similarities and differences between defence strategies adopted by plants and animals. In this review we will discuss the innate immune response of plant and animal hosts for protecting against F. oxysporum infection. Such studies will be helpful for identifying genes, protein and metabolites with antifungal properties suitable for protecting humans.
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Antimicrobial Activity of Cyclic-Monomeric and Dimeric Derivatives of the Snail-Derived Peptide Cm-p5 against Viral and Multidrug-Resistant Bacterial Strains. Biomolecules 2021; 11:biom11050745. [PMID: 34067685 PMCID: PMC8156702 DOI: 10.3390/biom11050745] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 05/12/2021] [Accepted: 05/13/2021] [Indexed: 12/13/2022] Open
Abstract
Cm-p5 is a snail-derived antimicrobial peptide, which demonstrated antifungal activity against the pathogenic strains of Candida albicans. Previously we synthetized a cyclic monomer as well as a parallel and an antiparallel dimer of Cm-p5 with improved antifungal activity. Considering the alarming increase of microbial resistance to conventional antibiotics, here we evaluated the antimicrobial activity of these derivatives against multiresistant and problematic bacteria and against important viral agents. The three peptides showed a moderate activity against Pseudomonas aeruginosa, Klebsiella pneumoniae Extended Spectrum β-Lactamase (ESBL), and Streptococcus agalactiae, with MIC values > 100 µg/mL. They exerted a considerable activity with MIC values between 25–50 µg/mL against Acinetobacter baumanii and Enterococcus faecium. In addition, the two dimers showed a moderate activity against Pseudomonas aeruginosa PA14. The three Cm-p5 derivatives inhibited a virulent extracellular strain of Mycobacterium tuberculosis, in a dose-dependent manner. Moreover, they inhibited Herpes Simplex Virus 2 (HSV-2) infection in a concentration-dependent manner, but had no effect on infection by the Zika Virus (ZIKV) or pseudoparticles of Severe Acute Respiratory Syndrome Corona Virus 2 (SARS-CoV-2). At concentrations of >100 µg/mL, the three new Cm-p5 derivatives showed toxicity on different eukaryotic cells tested. Considering a certain cell toxicity but a potential interesting activity against the multiresistant strains of bacteria and HSV-2, our compounds require future structural optimization.
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Thapa RK, Diep DB, Tønnesen HH. Nanomedicine-based antimicrobial peptide delivery for bacterial infections: recent advances and future prospects. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2021. [DOI: 10.1007/s40005-021-00525-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Abstract
Background
Antimicrobial peptides (AMPs) have gained wide interest as viable alternatives to antibiotics owing to their potent antimicrobial effects and the low propensity of resistance development. However, their physicochemical properties (solubility, charge, hydrophobicity/hydrophilicity), stability issues (proteolytic or enzymatic degradation, aggregation, chemical degradation), and toxicities (interactions with blood components or cellular toxicities) limit their therapeutic applications.
Area covered
Nanomedicine-based therapeutic delivery is an emerging concept. The AMP loaded nanoparticles have been prepared and investigated for their antimicrobial effects. In this review, we will discuss different nanomedicine-based AMP delivery systems including metallic nanoparticles, lipid nanoparticles, polymeric nanoparticles, and their hybrid systems along with their future prospects for potent antimicrobial efficacy.
Expert opinion
Nanomedicine-based AMP delivery is a recent approach to the treatment of bacterial infections. The advantageous properties of nanoparticles including the enhancement of AMP stability, controlled release, and targetability make them suitable for the augmentation of AMP activity. Modifications in the nanomedicine-based approach are required to overcome the problems of nanoparticle instability, shorter residence time, and toxicity. Future rigorous studies for both the AMP loaded nanoparticle preparation and characterization, and detailed evaluations of their in vitro and in vivo antimicrobial effects and toxicities, are essential.
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Nanofibers as drug-delivery systems for antimicrobial peptides. Drug Discov Today 2021; 26:2064-2074. [PMID: 33741497 DOI: 10.1016/j.drudis.2021.03.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 12/11/2020] [Accepted: 03/08/2021] [Indexed: 12/11/2022]
Abstract
Microbial infections are a major worldwide public health problem because a number of microorganisms can show drug resistance. Antimicrobial peptides (AMPs) are small biomolecules that present antimicrobial and immunomodulatory activities. Despite their great potential, there are still many barriers to the formulation of these molecules. In this context, nanotechnological approaches such as nanofibers are candidate drug-delivery systems for AMP formulations. These nanomaterials have a large contact surface and may carry several AMPs (single or multilayer), directing them to specific targets. Thus, this review describes the main advances related to the use of nanofibers as drug-delivery systems for AMPs. These strategies can contribute directly to the design of new multifunctional wound dressings, coatings for prostheses, and tissue engineering applications.
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Li X, Zhao H, Chen X. Screening of Marine Bioactive Antimicrobial Compounds for Plant Pathogens. Mar Drugs 2021; 19:69. [PMID: 33525648 PMCID: PMC7912171 DOI: 10.3390/md19020069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 01/21/2021] [Accepted: 01/25/2021] [Indexed: 01/09/2023] Open
Abstract
Plant diseases have been threatening food production. Controlling plant pathogens has become an important strategy to ensure food security. Although chemical control is an effective disease control strategy, its application is limited by many problems, such as environmental impact and pathogen resistance. In order to overcome these problems, it is necessary to develop more chemical reagents with new functional mechanisms. Due to their special living environment, marine organisms have produced a variety of bioactive compounds with novel structures, which have the potential to develop new fungicides. In the past two decades, screening marine bioactive compounds to inhibit plant pathogens has been a hot topic. In this review, we summarize the screening methods of marine active substances from plant pathogens, the identification of marine active substances from different sources, and the structure and antibacterial mechanism of marine active natural products. Finally, the application prospect of marine bioactive substances in plant disease control was prospected.
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Affiliation(s)
- Xiaohui Li
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315832, China; (X.L.); (H.Z.)
| | - Hejing Zhao
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315832, China; (X.L.); (H.Z.)
| | - Xiaolin Chen
- State Key Laboratory of Agricultural Microbiology and Provincial Hubei Key Laboratory of Plant Pathology, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
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Xiong Y, Shi C, Li L, Tang Y, Zhang X, Liao S, Zhang B, Sun C, Ren C. A review on recent advances in amino acid and peptide-based fluorescence and its potential applications. NEW J CHEM 2021. [DOI: 10.1039/d1nj02230j] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Fluorescence is widely used to detect functional groups and ions, and peptides are used in various fields due to their excellent biological activity.
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Affiliation(s)
- Yingshuo Xiong
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, China
| | - Changxin Shi
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, China
| | - Lingyi Li
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, China
| | - Yuanhan Tang
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, China
| | - Xin Zhang
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, China
| | - Sisi Liao
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, China
| | - Beibei Zhang
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, China
| | - Changmei Sun
- School of Chemistry and Materials Science, Ludong University, Yantai 264025, China
| | - Chunguang Ren
- Yantai Institute of Materia Medica, Yantai 264000, China
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Šimat V, Elabed N, Kulawik P, Ceylan Z, Jamroz E, Yazgan H, Čagalj M, Regenstein JM, Özogul F. Recent Advances in Marine-Based Nutraceuticals and Their Health Benefits. Mar Drugs 2020; 18:E627. [PMID: 33317025 PMCID: PMC7764318 DOI: 10.3390/md18120627] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 11/29/2020] [Accepted: 12/05/2020] [Indexed: 12/11/2022] Open
Abstract
The oceans have been the Earth's most valuable source of food. They have now also become a valuable and versatile source of bioactive compounds. The significance of marine organisms as a natural source of new substances that may contribute to the food sector and the overall health of humans are expanding. This review is an update on the recent studies of functional seafood compounds (chitin and chitosan, pigments from algae, fish lipids and omega-3 fatty acids, essential amino acids and bioactive proteins/peptides, polysaccharides, phenolic compounds, and minerals) focusing on their potential use as nutraceuticals and health benefits.
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Affiliation(s)
- Vida Šimat
- University Department of Marine Studies, University of Split, Ruđera Boškovića 37, 21000 Split, Croatia;
| | - Nariman Elabed
- Laboratory of Protein Engineering and Bioactive Molecules (LIP-MB), National Institute of Applied Sciences and Technology (INSAT), University of Carthage, Avenue de la République, BP 77-1054 Amilcar, Tunisia;
| | - Piotr Kulawik
- Department of Animal Products Technology, Faculty of Food Technology, University of Agriculture in Cracow, ul. Balicka 122, 30-149 Krakow, Poland;
| | - Zafer Ceylan
- Department of Gastronomy and Culinary Arts, Faculty of Tourism, Van Yüzüncü Yıl University, 65080 Van, Turkey;
| | - Ewelina Jamroz
- Institute of Chemistry, Faculty of Food Technology, University of Agriculture in Cracow, ul. Balicka 122, 30-149 Krakow, Poland;
| | - Hatice Yazgan
- Faculty of Veterinary Medicine, Cukurova University, 01330 Adana, Turkey;
| | - Martina Čagalj
- University Department of Marine Studies, University of Split, Ruđera Boškovića 37, 21000 Split, Croatia;
| | - Joe M. Regenstein
- Department of Food Science, Cornell University, Ithaca, NY 14853-7201, USA;
| | - Fatih Özogul
- Department of Seafood Processing Technology, Faculty of Fisheries, Cukurova University, 01330 Adana, Turkey
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Sharma D, Bisht GS. Recent Updates on Antifungal Peptides. Mini Rev Med Chem 2020; 20:260-268. [PMID: 31556857 DOI: 10.2174/1389557519666190926112423] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 07/17/2018] [Accepted: 09/06/2019] [Indexed: 12/11/2022]
Abstract
The current trend of increment in the frequency of antifungal resistance has brought research into an era where new antifungal compounds with novel mechanisms of action are required. Natural antimicrobial peptides, which are ubiquitous components of innate immunity, represent their candidature for novel antifungal peptides. Various antifungal peptides have been isolated from different species ranging from small marine organisms to insects and from various other living species. Based on these peptides, various mimetics of antifungal peptides have also been synthesized using non-natural amino acids. Utilization of these antifungal peptides is somehow limited due to their toxic and unstable nature. This review discusses recent updates and future directions of antifungal peptides, for taking them to the shelf from the bench.
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Affiliation(s)
- Deepika Sharma
- Department of Pharmacy, Jaypee University of Information Technology, Waknaghat, Solan, Himachal Pradesh, 173234, India
| | - Gopal Singh Bisht
- Department of Biotechnology and Bioinformatics, Jaypee University of Information Technology, Waknaghat, Solan, Himachal Pradesh, 173234, India
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The use of host defense peptides in root canal therapy in rats. Clin Oral Investig 2020; 25:3623-3632. [PMID: 33200281 DOI: 10.1007/s00784-020-03684-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 11/06/2020] [Indexed: 10/23/2022]
Abstract
OBJECTIVES In order to evaluate host defense peptides (HDPs) HHC-10 and synoeca-MP activity in in vitro osteoclastogenesis process and in vivo induced apical periodontitis, testing the effect of molecules in the inflammatory response and in apical periodontitis size/volume after root canal treatment. MATERIALS AND METHODS In vitro osteoclastogenesis was assessed on bone marrow cell cultures extracted from mice, while in vivo endodontic treatment involved rats treated with Ca(OH)2 or HDPs. In vitro osteoclasts were subjected to TRAP staining, and in vivo samples were evaluated by radiographic and tomographic exams, as well as histologic analysis. RESULTS None of the substances downregulated the in vitro osteoclastogenesis. Nevertheless, all treatments affected the average of apical periodontitis size in rats, although only teeth treated with HDPs demonstrated lower levels of the inflammatory process. These results demonstrated the in vivo potential of HDPs. Radiographic analysis suggested that HHC-10 and synoeca-MP-treated animals presented a similar lesion size than Ca(OH)2-treated animals after 7-day of endodontic treatment. However, tomography analysis demonstrated smaller lesion volume in synoeca-MP-treated animals than HHC-10 and Ca(OH)2-treated animals, after 7 days. CONCLUSIONS These molecules demonstrated an auxiliary effect in endodontic treatment that might be related to its immunomodulatory ability, broad-spectrum antimicrobial activity, and possible induction of tissue repair at low concentrations. These results can encourage further investigations on the specific mechanisms of action in animal models to clarify the commercial applicability of these biomolecules for endodontic treatment. CLINICAL SIGNIFICANCE HDPs have the potential to be adjuvant substances in endodontic therapy due to its potential to reduce inflammation in apical periodontitis.
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Abstract
Invasive fungal infections in humans are generally associated with high mortality, making the choice of antifungal drug crucial for the outcome of the patient. The limited spectrum of antifungals available and the development of drug resistance represent the main concerns for the current antifungal treatments, requiring alternative strategies. Antimicrobial peptides (AMPs), expressed in several organisms and used as first-line defenses against microbial infections, have emerged as potential candidates for developing new antifungal therapies, characterized by negligible host toxicity and low resistance rates. Most of the current literature focuses on peptides with antibacterial activity, but there are fewer studies of their antifungal properties. This review focuses on AMPs with antifungal effects, including their in vitro and in vivo activities, with the biological repercussions on the fungal cells, when known. The classification of the peptides is based on their mode of action: although the majority of AMPs exert their activity through the interaction with membranes, other mechanisms have been identified, including cell wall inhibition and nucleic acid binding. In addition, antifungal compounds with unknown modes of action are also described. The elucidation of such mechanisms can be useful to identify novel drug targets and, possibly, to serve as the templates for the synthesis of new antimicrobial compounds with increased activity and reduced host toxicity.
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15
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Topical antimicrobial peptide formulations for wound healing: Current developments and future prospects. Acta Biomater 2020; 103:52-67. [PMID: 31874224 DOI: 10.1016/j.actbio.2019.12.025] [Citation(s) in RCA: 189] [Impact Index Per Article: 47.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 12/16/2019] [Accepted: 12/18/2019] [Indexed: 12/20/2022]
Abstract
Antimicrobial peptides (AMPs) are the natural antibiotics recognized for their potent antibacterial and wound healing properties. Bare AMPs have limited activity following topical application attributable to their susceptibility to environment (hydrolysis, oxidation, photolysis), and wound (alkaline pH, proteolysis) related factors as well as minimal residence time. Therefore, the formulation of AMPs is essential to enhance stability, prolong delivery, and optimize effectiveness at the wound site. Different topical formulations of AMPs have been developed so far including nanoparticles, hydrogels, creams, ointments, and wafers to aid in controlling bacterial infection and enhance wound healing process in vivo. Herein, an overview is provided of the AMPs and current understanding of their formulations for topical wound healing applications along with suitable examples. Furthermore, future prospects for the development of effective combination AMP formulations are discussed. STATEMENT OF SIGNIFICANCE: Chronic wound infection and subsequent development of antibiotic resistance are serious clinical problems affecting millions of people worldwide. Antimicrobial peptides (AMPs) possess great potential in effectively killing the bacteria with minimal risk of resistance development. However, AMPs susceptibility to degradation following topical application limits their antimicrobial and wound healing effects. Therefore, development of an optimized topical formulation with high peptide stability and sustained AMP delivery is necessary to maximize the antimicrobial and wound healing effects. The present review provides an overview of the state-of-art in the field of topical AMP formulations for wound healing. Current developments in the field of topical AMP formulations are reviewed and future prospects for the development of effective combination AMP formulations are discussed.
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16
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Nikapitiya C, Dananjaya S, Chandrarathna H, De Zoysa M, Whang I. Octominin: A Novel Synthetic Anticandidal Peptide Derived from Defense Protein of Octopus minor. Mar Drugs 2020; 18:md18010056. [PMID: 31952292 PMCID: PMC7024321 DOI: 10.3390/md18010056] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 01/08/2020] [Accepted: 01/08/2020] [Indexed: 02/07/2023] Open
Abstract
The rapid emergence of multidrug-resistant pathogens makes an urgent need for discovering novel antimicrobial agents as alternatives to conventional antibiotics. Towards this end, we designed and synthesized a synthetic peptide of 23 amino acids (AAs) (1GWLIRGAIHAGKAIHGLIHRRRH23) from a defense protein 3 cDNA sequence of Octopus minor. The sequence of the peptide, which was named Octominin, had characteristic features of known antimicrobial peptides (AMPs) such as a positive charge (+5), high hydrophobic residue ratio (43%), and 1.86 kcal/mol of Boman index. Octominin was predicted to have an alpha-helix secondary structure. The synthesized Octominin was 2625.2 Da with 92.5% purity. The peptide showed a minimum inhibitory concentration (MIC) and minimum fungicidal concentration (MFC) of 50 and 200 μg/mL, respectively, against Candida albicans. Field emission scanning electron microscopy observation confirmed that Octominin caused ultrastructural cell wall deformities in C. albicans. In addition, propidium iodide penetrated the Octominin-treated C. albicans cells, further demonstrating loss of cell membrane integrity that caused cell death at both MIC and MFC. Octominin treatment increased the production of intracellular reactive oxygen species and decreased cell viability in a concentration dependent manner. Cytotoxicity assays revealed no significant influence of Octominin on the viability of human embryonic kidney 293T cell line, with over 95% live cells in the Octominin-treated group observed up to 100 µg/mL. Moreover, we confirmed the antifungal action of Octominin in vivo using a zebrafish experimental infection model. Overall, our results demonstrate the Octominin is a lead compound for further studies, which exerts its effects by inducing cell wall damage, causing loss of cell membrane integrity, and elevating oxidative stress.
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Affiliation(s)
- Chamilani Nikapitiya
- College of Veterinary Medicine, Chungnam National University, Yuseong-gu, Daejeon 34134, Korea; (C.N.)
| | - S.H.S. Dananjaya
- College of Veterinary Medicine, Chungnam National University, Yuseong-gu, Daejeon 34134, Korea; (C.N.)
| | - H.P.S.U. Chandrarathna
- College of Veterinary Medicine, Chungnam National University, Yuseong-gu, Daejeon 34134, Korea; (C.N.)
| | - Mahanama De Zoysa
- College of Veterinary Medicine, Chungnam National University, Yuseong-gu, Daejeon 34134, Korea; (C.N.)
- Correspondence: (M.D.Z.); (I.W.)
| | - Ilson Whang
- National Marine Biodiversity Institute of Korea (MABIK), 75, Jangsan-ro 101beon-gil, Janghang-eup, Seochun-gun, Chungchungnam-do 33662, Korea
- Correspondence: (M.D.Z.); (I.W.)
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17
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Khani S, Seyedjavadi SS, Hosseini HM, Goudarzi M, Valadbeigi S, Khatami S, Ajdary S, Eslamifar A, Amani J, Imani Fooladi AA, Razzaghi-Abyaneh M. Effects of the antifungal peptide Skh-AMP1 derived from Satureja khuzistanica on cell membrane permeability, ROS production, and cell morphology of conidia and hyphae of Aspergillus fumigatus. Peptides 2020; 123:170195. [PMID: 31704210 DOI: 10.1016/j.peptides.2019.170195] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2019] [Revised: 11/02/2019] [Accepted: 11/04/2019] [Indexed: 02/05/2023]
Abstract
Skh-AMP1 (GRTSKQELCTWERGSVRQADKTIAG) is an antifungal peptide isolated from Satureja khuzistanica which has been shown to have strong antifungal activity against Aspergillus and Candida species, but no obvious hemolytic effects or cell cytotoxicity in vitro. In the present study, Skh-AMP1 was synthesized, and its mode of action on the plasma membrane, mitochondria, and morphological and ultrastructural changes against conidia and hyphae of Aspergillus fumigatus were evaluated. The results indicated that Skh-AMP1 had sporicidal activities against the non-germinated conidia of A. fumigatus at concentrations of 40 and 80 μM. Skh-AMP1 induced the release of K+ and the uptake of propidium iodide and enhanced reactive oxygen species (ROS) production in the conidia and hyphae of the fungus. Scanning and transmission electron microscopy showed deformation and shrinkage of the hyphae and conidia, cell membrane disruption and detachment from the cell wall, microvesicle formation, vacuolation and depletion of cytoplasm and organelles of the hyphae of A. fumigatus exposed to 40-80 μM of the peptide. The results further demonstrated that the antifungal activity of Skh-AMP1 may be related to its ability to disrupt fungal cell membrane permeabilization and induce enhanced ROS production. Therefore, Skh-AMP1 can be introduced as a novel antifungal candidate for developing new therapeutic agents.
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Affiliation(s)
- Soghra Khani
- Department of Mycology, Pasteur Institute of Iran, Tehran, Iran
| | | | - Hamideh Mahmoodzadeh Hosseini
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mehdi Goudarzi
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Shohreh Khatami
- Department of Biochemistry, Pasteur Institute of Iran, Tehran, Iran
| | - Soheila Ajdary
- Department of Immunology, Pasteur Institute of Iran, Tehran, Iran
| | - Ali Eslamifar
- Department of Clinical Research, Pasteur Institute of Iran, Tehran, Iran
| | - Jafar Amani
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Abbas Ali Imani Fooladi
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
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18
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Matkawala F, Nighojkar A, Kumar A. Antimicrobial Peptides in Plants: Classes, Databases, and Importance. CANADIAN JOURNAL OF BIOTECHNOLOGY 2019. [DOI: 10.24870/cjb.2019-000130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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19
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Vicente FM, González-Garcia M, Diaz Pico E, Moreno-Castillo E, Garay HE, Rosi PE, Jimenez AM, Campos-Delgado JA, Rivera DG, Chinea G, Pietro RCL, Stenger S, Spellerberg B, Kubiczek D, Bodenberger N, Dietz S, Rosenau F, Paixão MW, Ständker L, Otero-González AJ. Design of a Helical-Stabilized, Cyclic, and Nontoxic Analogue of the Peptide Cm-p5 with Improved Antifungal Activity. ACS OMEGA 2019; 4:19081-19095. [PMID: 31763531 PMCID: PMC6868880 DOI: 10.1021/acsomega.9b02201] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 10/04/2019] [Indexed: 05/15/2023]
Abstract
Following the information obtained by a rational design study, a cyclic and helical-stabilized analogue of the peptide Cm-p5 was synthetized. The cyclic monomer showed an increased activity in vitro against Candida albicans and Candida parapsilosis, compared to Cm-p5. Initially, 14 mutants of Cm-p5 were synthesized following a rational design to improve the antifungal activity and pharmacological properties. Antimicrobial testing showed that the activity was lost in each of these 14 analogues, suggesting, as a main conclusion, that a Glu-His salt bridge could stabilize Cm-p5 helical conformation during the interaction with the plasma membrane. A derivative, obtained by substitution of Glu and His for Cys, was synthesized and oxidized with the generation of a cyclic monomer with improved antifungal activity. In addition, two dimers were generated during the oxidation procedure, a parallel and antiparallel one. The dimers showed a helical secondary structure in water, whereas the cyclic monomer only showed this conformation in SDS. Molecular dynamic simulations confirmed the helical stabilizations for all of them, therefore indicating the possible essential role of the Glu-His salt bridge. In addition, the antiparallel dimer showed a moderate activity against Pseudomonas aeruginosa and a significant activity against Listeria monocytogenes. Neither the cyclic monomer nor the dimers were toxic against macrophages or THP-1 human cells. Due to its increased capacity for fungal control compared to fluconazole, its low cytotoxicity, together with a stabilized α-helix and disulfide bridges, that may advance its metabolic stability, and in vivo activity, the new cyclic Cm-p5 monomer represents a potential systemic antifungal therapeutic candidate.
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Affiliation(s)
- Fidel
E. Morales Vicente
- General
Chemistry Department, Faculty of Chemistry and Center for Natural Products Research,
Faculty of Chemistry, University of Havana, Zapata y G, 10400 La Habana, Cuba
- Synthetic
Peptides Group, Center for Genetic Engineering and Biotechnology, P.O. Box 6162, 10600 La Habana, Cuba
- Center
of Excellence for Research in Sustainable Chemistry (CERSusChem),
Department of Chemistry, Federal University
of São Carlos-UFSCar, São Paulo 13565-905, Brazil
| | - Melaine González-Garcia
- Center
for Protein Studies, Faculty of Biology, University of Havana, 25 and I, 10400 La Habana, Cuba
| | - Erbio Diaz Pico
- Synthetic
Peptides Group, Center for Genetic Engineering and Biotechnology, P.O. Box 6162, 10600 La Habana, Cuba
| | - Elena Moreno-Castillo
- General
Chemistry Department, Faculty of Chemistry and Center for Natural Products Research,
Faculty of Chemistry, University of Havana, Zapata y G, 10400 La Habana, Cuba
| | - Hilda E. Garay
- Synthetic
Peptides Group, Center for Genetic Engineering and Biotechnology, P.O. Box 6162, 10600 La Habana, Cuba
| | - Pablo E. Rosi
- Department
of Inorganic Chemistry, Analytical and Physical Chemistry, Facultad
de Ciencias Exactas y Naturales, Universidad
de Buenos Aires, Buenos Aires C1428EGA, Argentina
| | - Asiel Mena Jimenez
- General
Chemistry Department, Faculty of Chemistry and Center for Natural Products Research,
Faculty of Chemistry, University of Havana, Zapata y G, 10400 La Habana, Cuba
| | - Jose A. Campos-Delgado
- Center
of Excellence for Research in Sustainable Chemistry (CERSusChem),
Department of Chemistry, Federal University
of São Carlos-UFSCar, São Paulo 13565-905, Brazil
| | - Daniel G. Rivera
- General
Chemistry Department, Faculty of Chemistry and Center for Natural Products Research,
Faculty of Chemistry, University of Havana, Zapata y G, 10400 La Habana, Cuba
| | - Glay Chinea
- Synthetic
Peptides Group, Center for Genetic Engineering and Biotechnology, P.O. Box 6162, 10600 La Habana, Cuba
| | - Rosemeire C. L.
R. Pietro
- Laboratory
of Pharmaceutical Biotechnology, Department of Drugs and Medicines,
School of Pharmaceutical Sciences, UNESP, Araraquara 14800-900, Brazil
| | - Steffen Stenger
- Institute
of Medical Microbiology and Hygiene, University
Clinic of Ulm, Robert Koch Str. 8, Ulm D-89081, Germany
| | - Barbara Spellerberg
- Institute
of Medical Microbiology and Hygiene, University
Clinic of Ulm, Robert Koch Str. 8, Ulm D-89081, Germany
| | - Dennis Kubiczek
- Institute
of Pharmaceutical Biotechnology, Ulm University, James-Frank-Ring N27, 89081 Ulm, Germany
| | - Nicholas Bodenberger
- Institute
of Pharmaceutical Biotechnology, Ulm University, James-Frank-Ring N27, 89081 Ulm, Germany
| | - Steffen Dietz
- Institute
of Pharmaceutical Biotechnology, Ulm University, James-Frank-Ring N27, 89081 Ulm, Germany
| | - Frank Rosenau
- Institute
of Pharmaceutical Biotechnology, Ulm University, James-Frank-Ring N27, 89081 Ulm, Germany
| | - Márcio Weber Paixão
- Center
of Excellence for Research in Sustainable Chemistry (CERSusChem),
Department of Chemistry, Federal University
of São Carlos-UFSCar, São Paulo 13565-905, Brazil
- E-mail: (W.P.)
| | - Ludger Ständker
- Core
Facility for Functional Peptidomics, Ulm Peptide Pharmaceuticals (U-PEP),
University Ulm, Faculty of Medicine, Ulm
University, 89081 Ulm, Germany
- E-mail: (L.S.)
| | - Anselmo J. Otero-González
- Center
for Protein Studies, Faculty of Biology, University of Havana, 25 and I, 10400 La Habana, Cuba
- E-mail: (A.J.O.-G.)
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20
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Khani S, Seyedjavadi SS, Zare-Zardini H, Hosseini HM, Goudarzi M, Khatami S, Amani J, Imani Fooladi AA, Razzaghi-Abyaneh M. Isolation and functional characterization of an antifungal hydrophilic peptide, Skh-AMP1, derived from Satureja khuzistanica leaves. PHYTOCHEMISTRY 2019; 164:136-143. [PMID: 31128493 DOI: 10.1016/j.phytochem.2019.05.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2018] [Revised: 05/10/2019] [Accepted: 05/13/2019] [Indexed: 06/09/2023]
Abstract
The increasing resistance of pathogenic fungi to conventional antifungal therapies is a major global health concern. Currently, antifungal peptides are receiving increasing attention as suitable candidates for antifungal drug discovery. In the present study, an antifungal peptide was isolated from Satureja khuzistanica by reverse phase-HPLC column and sequenced by de novo sequencing and Edman degradation. The peptide cytotoxicity on human red blood cells and HEK293 cells was assessed using hemolytic and MTT assays. The purified peptide had 25 amino acids with pI and net charge equal to 9.31 and + 2, respectively. According to the systematic nomenclature, this peptide was named Skh-AMP1. The peptide showed strong antifungal activity against pathogenic species of Aspergillus and Candida with MIC values of 19.8-23.4 μM and MFC values of 39.6-58.5 μM. Molecular modeling analysis predicted a α-helix conformation for Skh-AMP1 and the probable hydrophilic residues and hydrophobic regions in the peptide structure which may responsible for its antifungal activity. Skh-AMP1 preserved its stability at the pH of 7 and 8 and the temperatures of 30 and 40 °C. The peptide showed negligible hemolytic activity in the range of 0.19-2.1% at the concentrations of 3.6-72 μM. It has no obvious cytotoxicity against HEK293 cells at the MIC of 25.2 μM for the fungal growth. All together, these properties make Skh-AMP1 as a previously undescribed peptide a promising potential therapeutic agent to combat immerging fungal infections.
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Affiliation(s)
- Soghra Khani
- Department of Mycology, Pasteur Institute of Iran, Tehran, 1316943551, Iran
| | | | - Hadi Zare-Zardini
- Hematology and Oncology Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Hamideh Mahmoodzadeh Hosseini
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mehdi Goudarzi
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shohreh Khatami
- Department of Biochemistry, Pasteur Institute of Iran, Tehran, Iran
| | - Jafar Amani
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Abbas Ali Imani Fooladi
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
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21
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Jiao K, Gao J, Zhou T, Yu J, Song H, Wei Y, Gao X. Isolation and purification of a novel antimicrobial peptide from Porphyra yezoensis. J Food Biochem 2019; 43:e12864. [PMID: 31353731 DOI: 10.1111/jfbc.12864] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 03/30/2019] [Accepted: 04/01/2019] [Indexed: 11/27/2022]
Abstract
We aimed to isolate antimicrobial peptides from Porphyra yezoensis. Enzymatic hydrolysate of P. yezoensis was purified by ultrafiltration, molecular sieve chromatography, and ion exchange chromatography sequentially. A novel peptide with strong antimicrobial activity against Staphylococcus aureus was isolated and the amino acid sequence was identified to be Thr-Pro-Asp-Ser-Glu-Ala-Leu (TPDSEAL). Physical and chemical properties and antimicrobial activity of the peptide were determined. The antimicrobial mechanism was studied. The antimicrobial activity of TPDSEAL kept stable under acidic or basic conditions, high temperature, and ultraviolet radiation. The antimicrobial mechanism of antimicrobial peptides may damage the cell wall and membrane, and enhance the permeability of cells, which leads to the outflow of intracellular substances and death of bacteria. This study provides novel insight into the preparation of marine-derived antimicrobial peptides. PRACTICAL APPLICATIONS: Antimicrobial peptides, which act as defensive weapons against microbes, have been broadly used as food additives in food industry. Due to the limited amount of natural antimicrobial peptides in organisms and the high cost of chemical synthesis, producing novel natural antimicrobial peptides with bioengineering methods has become an urgent task. In the present study, we prepared a novel antimicrobial peptide from pepsin-digested hydrolysate of Porphyra yezoensis using ultrafiltration, molecular sieve chromatography, ion exchange chromatography, and mass spectrometry analysis. A novel peptide with strong antimicrobial activity against Staphylococcus aureus was isolated and the amino acid sequence was identified to be Thr-Pro-Asp-Ser-Glu-Ala-Leu (TPDSEAL). The identified peptide exhibits great stability under acidic or basic conditions, high temperature, and ultraviolet radiation. Mechanism revealed that TPDSEAL treatment may damage the cell wall and membrane, enhance the permeability of cells, and lead to the death of bacteria. Our study provides the novel insight into the preparation of marine-derived antimicrobial peptides.
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Affiliation(s)
- Kui Jiao
- College of Life Sciences, Qingdao University, Qingdao, China
| | - Jie Gao
- College of Life Sciences, Qingdao University, Qingdao, China
| | - Tao Zhou
- Department of Neurosurgery, Brain Hospital, People's Hospital of WeiFang, Shandong, China
| | - Jia Yu
- College of Life Sciences, Qingdao University, Qingdao, China
| | - Huiping Song
- College of Life Sciences, Qingdao University, Qingdao, China
| | - Yuxi Wei
- College of Life Sciences, Qingdao University, Qingdao, China
| | - Xiang Gao
- College of Life Sciences, Qingdao University, Qingdao, China
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22
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Zhang YJ, Liu XL, Wang WM, Chen C, Zhao MH, Yang KW. Amino Acid Thioesters Exhibit Inhibitory Activity against B1–B3 Subclasses of Metallo-β-lactamases. Chem Pharm Bull (Tokyo) 2019; 67:135-142. [DOI: 10.1248/cpb.c18-00717] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Yue-Juan Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Chemical Biology Innovation Laboratory, College of Chemistry and Materials Science, Northwest University
| | - Xiao-Long Liu
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Chemical Biology Innovation Laboratory, College of Chemistry and Materials Science, Northwest University
| | - Wen-Ming Wang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Chemical Biology Innovation Laboratory, College of Chemistry and Materials Science, Northwest University
| | - Cheng Chen
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Chemical Biology Innovation Laboratory, College of Chemistry and Materials Science, Northwest University
| | - Mu-Han Zhao
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Chemical Biology Innovation Laboratory, College of Chemistry and Materials Science, Northwest University
| | - Ke-Wu Yang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Chemical Biology Innovation Laboratory, College of Chemistry and Materials Science, Northwest University
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23
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Biswaro LS, da Costa Sousa MG, Rezende TMB, Dias SC, Franco OL. Antimicrobial Peptides and Nanotechnology, Recent Advances and Challenges. Front Microbiol 2018; 9:855. [PMID: 29867793 PMCID: PMC5953333 DOI: 10.3389/fmicb.2018.00855] [Citation(s) in RCA: 127] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 04/13/2018] [Indexed: 12/18/2022] Open
Abstract
Antimicrobial peptides are sequences of amino acids, which present activity against microorganisms. These peptides were discovered over 70 years ago, and are abundant in nature from soil bacteria, insects, amphibians to mammals and plants. They vary in amino acids number, the distance between amino acids within individual peptide structure, net charge, solubility and other physical chemical properties as well as differ in mechanism of action. These peptides may provide an alternative treatment to conventional antibiotics, which encounter resistance such as the peptide nisin applied in treating methicillin resistant Staphylococcus aureus (MRSA) or may behave synergistically with known antibiotics against parasites for instance, nisin Z when used in synergy with ampicillin reported better activity against Pseudomonas fluorescens than when the antibiotic was alone. AMPs are known to be active against viruses, bacteria, fungi and protozoans. Nanotechnology is an arena which explores the synthesis, characterization and application of an array of delivery systems at a one billionth of meter scale. Such systems are implemented to deliver drugs, proteins, vaccines, and peptides. The role of nanotechnology in delivering AMPs is still at its early development stage. There are challenges of incorporating AMPs into drug delivery system. This review intends to explore in depth, the role of nanotechnology in delivering AMPs as well as presenting the current advances and accompanying challenges of the technology.
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Affiliation(s)
- Lubhandwa S Biswaro
- Center of Proteomic and Biochemical Analysis, Genomic Sciences and Biotechnology Program, Catholic University of Brasília, Brasília, Brazil
| | - Mauricio G da Costa Sousa
- Center of Proteomic and Biochemical Analysis, Genomic Sciences and Biotechnology Program, Catholic University of Brasília, Brasília, Brazil
| | - Taia M B Rezende
- Center of Proteomic and Biochemical Analysis, Genomic Sciences and Biotechnology Program, Catholic University of Brasília, Brasília, Brazil.,Catholic University of Brasília, Brasília, Brazil.,Health Science Program, University of Brasília, Brasília, Brazil
| | - Simoni C Dias
- Center of Proteomic and Biochemical Analysis, Genomic Sciences and Biotechnology Program, Catholic University of Brasília, Brasília, Brazil
| | - Octavio L Franco
- Center of Proteomic and Biochemical Analysis, Genomic Sciences and Biotechnology Program, Catholic University of Brasília, Brasília, Brazil.,S-Inova Biotech, Biotechnology Program, Dom Bosco Catholic University, Campo Grande, Brazil
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24
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Ulagesan S, Sankaranarayanan K, Kuppusamy A. Functional characterisation of bioactive peptide derived from terrestrial snail Cryptozona bistrialis and its wound-healing property in normal and diabetic-induced Wistar albino rats. Int Wound J 2018; 15:350-362. [PMID: 29480558 DOI: 10.1111/iwj.12872] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2017] [Accepted: 11/14/2017] [Indexed: 02/05/2023] Open
Abstract
A peptide might be an exciting biomaterial or template for the development of novel wound-healing agents. In this report, it was isolated from the terrestrial snail Cryptozona bistrialis by enzymatic digestion and was evaluated for its in vitro wound-healing activity in NIH/3T3 mouse fibroblasts cell line and in vivo wound-healing activity in normal and diabetic-induced Wistar albino rats. The C. bistrialis protein was digested by the papain enzyme, and 21.79 kDa peptide (Cb-peptide) was purified by reversed-phase high-performance liquid chromatography and identified by MALDI (matrix-assisted laser desorption/ionization)-TOF analysis. The isolated Cb-peptide was characterised by various analytical methods. The peptide demonstrated a capacity to prevent the development of pathogenic bacterial and fungal cultures and proved that it promotes significant wound-healing activity in the wound scratch assay method by rapid cell migration and closure of wound. Isolated Cb-peptide was lyophilised and formulated to ointment and analysed for in vivo wound-healing activity in normal and diabetic (alloxan monohydrate)-induced Wistar albino rats. Cb-peptide ointment-treated groups showed a greater degree of wound healing and early and complete period of epithelialisation in normal and diabetic-induced Wistar albino rats. Cb-peptide ointment-treated groups showed significant excision and incision wound-healing activity. A conclusion was reached that the peptide isolated from C. bistrialis showed greater wound-healing activity compared with vehicle control and standard control.
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Affiliation(s)
- Selvakumari Ulagesan
- Department of Energy and Environment, National Institute of Technology, Tiruchirappalli, India
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25
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Wang X, Yu H, Xing R, Li P. Characterization, Preparation, and Purification of Marine Bioactive Peptides. BIOMED RESEARCH INTERNATIONAL 2017; 2017:9746720. [PMID: 28761878 PMCID: PMC5518491 DOI: 10.1155/2017/9746720] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 05/25/2017] [Accepted: 06/01/2017] [Indexed: 12/17/2022]
Abstract
Marine bioactive peptides, as a source of unique bioactive compounds, are the focus of current research. They exert various biological roles, some of the most crucial of which are antioxidant activity, antimicrobial activity, anticancer activity, antihypertensive activity, anti-inflammatory activity, and so forth, and specific characteristics of the bioactivities are described. This review also describes various manufacturing techniques for marine bioactive peptides using organic synthesis, microwave assisted extraction, chemical hydrolysis, and enzymes hydrolysis. Finally, purification of marine bioactive peptides is described, including gel or size exclusion chromatography, ion-exchange column chromatography, and reversed-phase high-performance liquid chromatography, which are aimed at finding a fast, simple, and effective method to obtain the target peptides.
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Affiliation(s)
- Xueqin Wang
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Huahua Yu
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Ronge Xing
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Pengcheng Li
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
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26
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Peptides, Peptidomimetics, and Polypeptides from Marine Sources: A Wealth of Natural Sources for Pharmaceutical Applications. Mar Drugs 2017; 15:md15040124. [PMID: 28441741 PMCID: PMC5408270 DOI: 10.3390/md15040124] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Revised: 04/11/2017] [Accepted: 04/18/2017] [Indexed: 01/07/2023] Open
Abstract
Nature provides a variety of peptides that are expressed in most living species. Evolutionary pressure and natural selection have created and optimized these peptides to bind to receptors with high affinity. Hence, natural resources provide an abundant chemical space to be explored in peptide-based drug discovery. Marine peptides can be extracted by simple solvent extraction techniques. The advancement of analytical techniques has made it possible to obtain pure peptides from natural resources. Extracted peptides have been evaluated as possible therapeutic agents for a wide range of diseases, including antibacterial, antifungal, antidiabetic and anticancer activity as well as cardiovascular and neurotoxin activity. Although marine resources provide thousands of possible peptides, only a few peptides derived from marine sources have reached the pharmaceutical market. This review focuses on some of the peptides derived from marine sources in the past ten years and gives a brief review of those that are currently in clinical trials or on the market.
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Lopez-Abarrategui C, Figueroa-Espi V, Lugo-Alvarez MB, Pereira CD, Garay H, Barbosa JA, Falcão R, Jiménez-Hernández L, Estévez-Hernández O, Reguera E, Franco OL, Dias SC, Otero-Gonzalez AJ. The intrinsic antimicrobial activity of citric acid-coated manganese ferrite nanoparticles is enhanced after conjugation with the antifungal peptide Cm-p5. Int J Nanomedicine 2016; 11:3849-57. [PMID: 27563243 PMCID: PMC4984987 DOI: 10.2147/ijn.s107561] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Diseases caused by bacterial and fungal pathogens are among the major health problems in the world. Newer antimicrobial therapies based on novel molecules urgently need to be developed, and this includes the antimicrobial peptides. In spite of the potential of antimicrobial peptides, very few of them were able to be successfully developed into therapeutics. The major problems they present are molecule stability, toxicity in host cells, and production costs. A novel strategy to overcome these obstacles is conjugation to nanomaterial preparations. The antimicrobial activity of different types of nanoparticles has been previously demonstrated. Specifically, magnetic nanoparticles have been widely studied in biomedicine due to their physicochemical properties. The citric acid-modified manganese ferrite nanoparticles used in this study were characterized by high-resolution transmission electron microscopy, which confirmed the formation of nanocrystals of approximately 5 nm diameter. These nanoparticles were able to inhibit Candida albicans growth in vitro. The minimal inhibitory concentration was 250 µg/mL. However, the nanoparticles were not capable of inhibiting Gram-negative bacteria (Escherichia coli) or Gram-positive bacteria (Staphylococcus aureus). Finally, an antifungal peptide (Cm-p5) from the sea animal Cenchritis muricatus (Gastropoda: Littorinidae) was conjugated to the modified manganese ferrite nanoparticles. The antifungal activity of the conjugated nanoparticles was higher than their bulk counterparts, showing a minimal inhibitory concentration of 100 µg/mL. This conjugate proved to be nontoxic to a macrophage cell line at concentrations that showed antimicrobial activity.
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Affiliation(s)
| | - Viviana Figueroa-Espi
- Lab of Structural Analysis, Institute of Materials Science and Technology, Havana University, La Habana, Havana, Cuba
| | | | - Caroline D Pereira
- Center for Biochemical and Proteomics Analyses, Catholic University of Brasilia, Brasilia, Brazil
| | - Hilda Garay
- Laboratory of Peptide Analysis and Synthesis, Center of Genetic Engineering and Biotechnology, La Habana, Havana, Cuba
| | - João Arg Barbosa
- Department of Cellular Biology, Laboratory of Biophysics, Institute of Biological Science, University of Brasilia
| | - Rosana Falcão
- Brazilian Agricultural Research Corporation (EMBRAPA), Center of Genetic Resources and Biotechnology (CENARGEN), Brasilia DF, Brazil
| | - Linnavel Jiménez-Hernández
- Lab of Structural Analysis, Institute of Materials Science and Technology, Havana University, La Habana, Havana, Cuba
| | - Osvaldo Estévez-Hernández
- Lab of Structural Analysis, Institute of Materials Science and Technology, Havana University, La Habana, Havana, Cuba; Instituto de Ciencia y Tecnología de Materiales (IMRE), Universidad de La Habana, Cuba
| | - Edilso Reguera
- Research Center for Applied Science and Advanced Technology (CICATA), National Polytechnic Institute (IPN), Lagaria Unit, Mexico DF, Mexico
| | - Octavio L Franco
- Center for Biochemical and Proteomics Analyses, Catholic University of Brasilia, Brasilia, Brazil; S-Inova Biotech, Post-Graduate in Biotechnology, Universidade Catolica Dom Bosco, Campo Grande, Brazil
| | - Simoni C Dias
- Center for Biochemical and Proteomics Analyses, Catholic University of Brasilia, Brasilia, Brazil
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Antibiotic combinations for controlling colistin-resistant Enterobacter cloacae. J Antibiot (Tokyo) 2016; 70:122-129. [PMID: 27381521 DOI: 10.1038/ja.2016.77] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2016] [Revised: 04/16/2016] [Accepted: 05/26/2016] [Indexed: 02/02/2023]
Abstract
Enterobacter cloacae is a Gram-negative bacterium associated with high morbidity and mortality in intensive care patients due to its resistance to multiple antibiotics. Currently, therapy against multi-resistant bacteria consists of using colistin, in spite of its toxic effects at higher concentrations. In this context, colistin-resistant E. cloacae strains were challenged with lower levels of colistin combined with other antibiotics to reduce colistin-associated side effects. Colistin-resistant E. cloacae (ATCC 49141) strains were generated by serial propagation in subinhibitory colistin concentrations. After this, three colistin-resistant and three nonresistant replicates were isolated. The identity of all the strains was confirmed by MALDI-TOF MS, VITEK 2 and MicroScan analysis. Furthermore, cross-resistance to other antibiotics was checked by disk diffusion and automated systems. The synergistic effects of the combined use of colistin and chloramphenicol were observed via the broth microdilution checkerboard method. First, data here reported showed that all strains presented intrinsic resistance to penicillin, cephalosporin (except fourth generation), monobactam, and some associations of penicillin and β-lactamase inhibitors. Moreover, a chloramphenicol and colistin combination was capable of inhibiting the induced colistin-resistant strains as well as two colistin-resistant clinical strains. Furthermore, no cytotoxic effect was observed by using such concentrations. In summary, the data reported here showed for the first time the possible therapeutic use of colistin-chloramphenicol for infections caused by colistin-resistant E. cloacae.
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González L, Sánchez RE, Rojas L, Pascual I, García-Fernández R, Chávez MA, Betzel C. Screening of Protease Inhibitory Activity in Aqueous Extracts of Marine Invertebrates from Cuban Coast. ACTA ACUST UNITED AC 2016. [DOI: 10.4236/ajac.2016.74030] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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López-Abarrategui C, McBeth C, Mandal SM, Sun ZJ, Heffron G, Alba-Menéndez A, Migliolo L, Reyes-Acosta O, García-Villarino M, Nolasco DO, Falcão R, Cherobim MD, Dias SC, Brandt W, Wessjohann L, Starnbach M, Franco OL, Otero-González AJ. Cm-p5: an antifungal hydrophilic peptide derived from the coastal mollusk Cenchritis muricatus (Gastropoda: Littorinidae). FASEB J 2015; 29:3315-25. [PMID: 25921828 DOI: 10.1096/fj.14-269860] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Accepted: 04/05/2015] [Indexed: 12/20/2022]
Abstract
Antimicrobial peptides form part of the first line of defense against pathogens for many organisms. Current treatments for fungal infections are limited by drug toxicity and pathogen resistance. Cm-p5 (SRSELIVHQRLF), a peptide derived from the marine mollusk Cenchritis muricatus peptide Cm-p1, has a significantly increased fungistatic activity against pathogenic Candida albicans (minimal inhibitory concentration, 10 µg/ml; EC50, 1.146 µg/ml) while exhibiting low toxic effects against a cultured mammalian cell line. Cm-p5 as characterized by circular dichroism and nuclear magnetic resonance revealed an α-helical structure in membrane-mimetic conditions and a tendency to random coil folding in aqueous solutions. Additional studies modeling Cm-p5 binding to a phosphatidylserine bilayer in silico and isothermal titration calorimetry using lipid monophases demonstrated that Cm-p5 has a high affinity for the phospholipids of fungal membranes (phosphatidylserine and phosphatidylethanolamine), only moderate interactions with a mammalian membrane phospholipid, low interaction with ergosterol, and no interaction with chitin. Adhesion of Cm-p5 to living C. albicans cells was confirmed by fluorescence microscopy with FITC-labeled peptide. In a systemic candidiasis model in mice, intraperitoneal administration of Cm-p5 was unable to control the fungal kidney burden, although its low amphiphaticity could be modified to generate new derivatives with improved fungicidal activity and stability.
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Affiliation(s)
- Carlos López-Abarrategui
- Center for Protein Studies, Faculty of Biology, Havana University, Branch of Parasitology, Institute of Tropical Medicine "Pedro Kourí," and Laboratory of Peptide Analysis and Synthesis, Center of Genetic Engineering and Biotechnology, Havana, Cuba
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Viana JFC, Carrijo J, Freitas CG, Paul A, Alcaraz J, Lacorte CC, Migliolo L, Andrade CA, Falcão R, Santos NC, Gonçalves S, Otero-González AJ, Khademhosseini A, Dias SC, Franco OL. Antifungal nanofibers made by controlled release of sea animal derived peptide. NANOSCALE 2015; 7:6238-6246. [PMID: 25776264 DOI: 10.1039/c5nr00767d] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Candida albicans is a common human-pathogenic fungal species with the ability to cause several diseases including surface infections. Despite the clear difficulties of Candida control, antimicrobial peptides (AMPs) have emerged as an alternative strategy for fungal control. In this report, different concentrations of antifungal Cm-p1 (Cencritchis muricatus peptide 1) were electrospun into nanofibers for drug delivery. The nanofibers were characterized by mass spectrometry confirming the presence of the peptide on the scaffold. Atomic force microscopy and scanning electronic microscopy were used to measure the diameters, showing that Cm-p1 affects fiber morphology as well as the diameter and scaffold thickness. The Cm-p1 release behavior from the nanofibers demonstrated peptide release from 30 min to three days, leading to effective yeast control in the first 24 hours. Moreover, the biocompatibility of the fibers were evaluated through a MTS assay as well as ROS production by using a HUVEC model, showing that the fibers do not affect cell viability and only nanofibers containing 10% Cm-p1-PVA improved ROS generation. In addition, the secretion of pro-inflammatory cytokines IL-6 and TNF-α by the HUVECs was also slightly modified by the 10% Cm-p1-PVA nanofibers. In conclusion, the electrospinning technique applied here allowed for the manufacture of biodegradable biomimetic nanofibrous extracellular membranes with the ability to control fungal infection.
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Affiliation(s)
- Juliane F C Viana
- Programa de Pós-Graduação em Patologia Molecular, Universidade de Brasília, Brazil.
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Clavanin A improves outcome of complications from different bacterial infections. Antimicrob Agents Chemother 2014; 59:1620-6. [PMID: 25547358 DOI: 10.1128/aac.03732-14] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The rapid increase in the incidence of multidrug-resistant infections today has led to enormous interest in antimicrobial peptides (AMPs) as suitable compounds for developing unusual antibiotics. In this study, clavanin A, an antimicrobial peptide previously isolated from the marine tunicate Styela clava, was selected as a purposeful molecule that could be used in controlling infection and further synthesized. Clavanin A was in vitro evaluated against Staphylococcus aureus and Escherichia coli as well as toward L929 mouse fibroblasts and skin primary cells (SPCs). Moreover, this peptide was challenged here in an in vivo wound and sepsis model, and the immune response was also analyzed. Despite displaying clear in vitro antimicrobial activity toward Gram-positive and -negative bacteria, clavanin A showed no cytotoxic activities against mammalian cells, and in acute toxicity tests, no adverse reaction was observed at any of the concentrations. Moreover, clavanin A significantly reduced the S. aureus CFU in an experimental wound model. This peptide also reduced the mortality of mice infected with E. coli and S. aureus by 80% compared with that of control animals (treated with phosphate-buffered saline [PBS]): these data suggest that clavanin A prevents the start of sepsis and thereby reduces mortality. These data suggest that clavanin A is an AMP that could improve the development of novel peptide-based strategies for the treatment of wound and sepsis infections.
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Mosquera M, Giménez B, Ramos S, López-Caballero ME, Gómez-Guillén MDC, Montero P. Antioxidant, ACE-Inhibitory, and Antimicrobial Activities of Peptide Fractions Obtained From Dried Giant Squid Tunics. JOURNAL OF AQUATIC FOOD PRODUCT TECHNOLOGY 2014. [DOI: 10.1080/10498850.2013.819543] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Saúde ACM, Ombredane AS, Silva ON, Barbosa JARG, Moreno SE, Araujo ACG, Falcão R, Silva LP, Dias SC, Franco OL. Clavanin bacterial sepsis control using a novel methacrylate nanocarrier. Int J Nanomedicine 2014; 9:5055-69. [PMID: 25382976 PMCID: PMC4222983 DOI: 10.2147/ijn.s66300] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Controlling human pathogenic bacteria is a worldwide problem due to increasing bacterial resistance. This has prompted a number of studies investigating peptides isolated from marine animals as a possible alternative for control of human pathogen infections. Clavanins are antimicrobial peptides isolated from the marine tunicate Styela clava, showing 23 amino acid residues in length, cationic properties, and also high bactericidal activity. In spite of clear benefits from the use of peptides, currently 95% of peptide properties have limited pharmaceutical applicability, such as low solubility and short half-life in the circulatory system. Here, nanobiotechnology was used to encapsulate clavanin A in order to develop nanoantibiotics against bacterial sepsis. Clavanin was nanostructured using EUDRAGIT® L 100-55 and RS 30 D solution (3:1 w:w). Atomic force, scanning electron microscopy and dynamic light scattering showed nanoparticles ranging from 120 to 372 nm in diameter, with a zeta potential of -7.16 mV and a polydispersity index of 0.123. Encapsulation rate of 98% was assessed by reversed-phase chromatography. In vitro bioassays showed that the nanostructured clavanin was partially able to control development of Staphylococcus aureus, Klebsiella pneumoniae, and Pseudomonas aeruginosa. Furthermore, nanostructures did not show hemolytic activity. In vivo sepsis bioassays were performed using C57BL6 mice strain inoculated with a polymicrobial suspension. Assays led to 100% survival rate under sub-lethal sepsis assays and 40% under lethal sepsis assays in the presence of nanoformulated clavanin A until the seventh day of the experiment. Data here reported indicated that nanostructured clavanin A form shows improved antimicrobial activity and has the potential to be used to treat polymicrobial infections.
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Affiliation(s)
- Amanda C M Saúde
- Programa de Pós Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, FD, Brazil
| | - Alicia S Ombredane
- Programa de Pós Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, FD, Brazil
| | - Osmar N Silva
- Programa de Pós Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, FD, Brazil
| | - João A R G Barbosa
- Programa de Pós Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, FD, Brazil ; Laboratório de Biofísica-Departamento de Biologia Celular-IB, Universidade de Brasília - UNB, DF, Brazil
| | - Susana E Moreno
- Universidade Católica Dom Bosco - UCDB, Campo Grande, MS, Brazil
| | - Ana Claudia Guerra Araujo
- Empresa Brasileira de Pesquisa Agropecuária - EMBRAPA - Recursos Genéticos e Biotecnologia, Brasília, DF, Brazil
| | - Rosana Falcão
- Empresa Brasileira de Pesquisa Agropecuária - EMBRAPA - Recursos Genéticos e Biotecnologia, Brasília, DF, Brazil
| | - Luciano P Silva
- Empresa Brasileira de Pesquisa Agropecuária - EMBRAPA - Recursos Genéticos e Biotecnologia, Brasília, DF, Brazil
| | - Simoni C Dias
- Programa de Pós Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, FD, Brazil
| | - Octávio L Franco
- Programa de Pós Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, FD, Brazil ; Universidade Católica Dom Bosco - UCDB, Campo Grande, MS, Brazil
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Controlling resistant bacteria with a novel class of β-lactamase inhibitor peptides: from rational design to in vivo analyses. Sci Rep 2014; 4:6015. [PMID: 25109311 PMCID: PMC4127500 DOI: 10.1038/srep06015] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2014] [Accepted: 07/22/2014] [Indexed: 01/24/2023] Open
Abstract
Peptide rational design was used here to guide the creation of two novel short β-lactamase inhibitors, here named dBLIP-1 and -2, with length of five amino acid residues. Molecular modeling associated with peptide synthesis improved bactericidal efficacy in addition to amoxicillin, ampicillin and cefotaxime. Docked structures were consistent with calorimetric analyses against bacterial β-lactamases. These two compounds were further tested in mice. Whereas commercial antibiotics alone failed to cure mice infected with Staphylococcus aureus and Escherichia coli expressing β-lactamases, infection was cleared when treated with antibiotics in combination with dBLIPs, clearly suggesting that peptides were able to neutralize bacterial resistance. Moreover, immunological assays were also performed showing that dBLIPs were unable to modify mammalian immune response in both models, reducing the risks of collateral effects. In summary, the unusual peptides here described provide leads to overcome β-lactamase-based resistance, a remarkable clinical challenge.
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Cheung RCF, Wong JH, Pan WL, Chan YS, Yin CM, Dan XL, Wang HX, Fang EF, Lam SK, Ngai PHK, Xia LX, Liu F, Ye XY, Zhang GQ, Liu QH, Sha O, Lin P, Ki C, Bekhit AA, Bekhit AED, Wan DCC, Ye XJ, Xia J, Ng TB. Antifungal and antiviral products of marine organisms. Appl Microbiol Biotechnol 2014; 98:3475-94. [PMID: 24562325 DOI: 10.1007/s00253-014-5575-0] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2013] [Revised: 01/17/2014] [Accepted: 01/20/2014] [Indexed: 01/27/2023]
Abstract
Marine organisms including bacteria, fungi, algae, sponges, echinoderms, mollusks, and cephalochordates produce a variety of products with antifungal activity including bacterial chitinases, lipopeptides, and lactones; fungal (-)-sclerotiorin and peptaibols, purpurides B and C, berkedrimane B and purpuride; algal gambieric acids A and B, phlorotannins; 3,5-dibromo-2-(3,5-dibromo-2-methoxyphenoxy)phenol, spongistatin 1, eurysterols A and B, nortetillapyrone, bromotyrosine alkaloids, bis-indole alkaloid, ageloxime B and (-)-ageloxime D, haliscosamine, hamigeran G, hippolachnin A from sponges; echinoderm triterpene glycosides and alkene sulfates; molluscan kahalalide F and a 1485-Da peptide with a sequence SRSELIVHQR; and cepalochordate chitotriosidase and a 5026.9-Da antifungal peptide. The antiviral compounds from marine organisms include bacterial polysaccharide and furan-2-yl acetate; fungal macrolide, purpurester A, purpurquinone B, isoindolone derivatives, alterporriol Q, tetrahydroaltersolanol C and asperterrestide A, algal diterpenes, xylogalactofucan, alginic acid, glycolipid sulfoquinovosyldiacylglycerol, sulfated polysaccharide p-KG03, meroditerpenoids, methyl ester derivative of vatomaric acid, lectins, polysaccharides, tannins, cnidarian zoanthoxanthin alkaloids, norditerpenoid and capilloquinol; crustacean antilipopolysaccharide factors, molluscan hemocyanin; echinoderm triterpenoid glycosides; tunicate didemnin B, tamandarins A and B and; tilapia hepcidin 1-5 (TH 1-5), seabream SauMx1, SauMx2, and SauMx3, and orange-spotted grouper β-defensin. Although the mechanisms of antifungal and antiviral activities of only some of the aforementioned compounds have been elucidated, the possibility to use those known to have distinctly different mechanisms, good bioavailability, and minimal toxicity in combination therapy remains to be investigated. It is also worthwhile to test the marine antimicrobials for possible synergism with existing drugs. The prospects of employing them in clinical practice are promising in view of the wealth of these compounds from marine organisms. The compounds may also be used in agriculture and the food industry.
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Affiliation(s)
- Randy Chi Fai Cheung
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
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van der Weerden NL, Bleackley MR, Anderson MA. Properties and mechanisms of action of naturally occurring antifungal peptides. Cell Mol Life Sci 2013; 70:3545-70. [PMID: 23381653 PMCID: PMC11114075 DOI: 10.1007/s00018-013-1260-1] [Citation(s) in RCA: 174] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2012] [Revised: 12/11/2012] [Accepted: 01/03/2013] [Indexed: 01/06/2023]
Abstract
Antimicrobial peptides are a vital component of the innate immune system of all eukaryotic organisms and many of these peptides have potent antifungal activity. They have potential application in the control of fungal pathogens that are a serious threat to both human health and food security. Development of antifungal peptides as therapeutics requires an understanding of their mechanism of action on fungal cells. To date, most research on antimicrobial peptides has focused on their activity against bacteria. Several antimicrobial peptides specifically target fungal cells and are not active against bacteria. Others with broader specificity often have different mechanisms of action against bacteria and fungi. This review focuses on the mechanism of action of naturally occurring antifungal peptides from a diverse range of sources including plants, mammals, amphibians, insects, crabs, spiders, and fungi. While antimicrobial peptides were originally proposed to act via membrane permeabilization, the mechanism of antifungal activity for these peptides is generally more complex and often involves entry of the peptide into the cell.
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Abstract
Synthesis and large-scale manufacturing technologies are now available for the commercial production of even the most complex peptide anti-infectives. Married with the potential of this class of molecule as the next generation of effective, resistance-free and safe antimicrobials, and a much better understanding of their biology, pharmacology and pharmacodynamics, the first regulatory approvals and introduction into clinical practice of these promising drug candidates will likely be soon. This is a key juncture in the history/life cycle of peptide anti-infectives and, perhaps, their commercial and therapeutic potential is about to be realized. This review highlights the promise of these agents as the next generation of therapeutics and summarizes the challenges faced in, and lessons learned from, the past.
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Silva ON, Porto WF, Migliolo L, Mandal SM, Gomes DG, Holanda HHS, Silva RSP, Dias SC, Costa MP, Costa CR, Silva MR, Rezende TMB, Franco OL. Cn-AMP1: a new promiscuous peptide with potential for microbial infections treatment. Biopolymers 2013. [PMID: 23193596 DOI: 10.1002/bip.22071] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The antimicrobial peptides (AMPs) are evolutionarily ancient molecules that act as components of the innate immune system. Recently, it was demonstrated that a single AMP can perform various functions; this ability is known as "peptide promiscuity." However, little is known about promiscuity in plant AMPs without disulfide bonds. This study was carried out to evaluate the promiscuity of Cn-AMP1: a promising disulfide-free plant peptide with reduced size and cationic and hydrophobic properties. Its activity against human pathogenic bacteria and fungal pathogens, as well as its in vitro immunostimulatory activity and effects on cancerous and healthy mammalian cell proliferation were studied here. Cn-AMP1 exerts antimicrobial effects against Gram-positive bacteria, Gram-negative bacteria, and fungi. Moreover, tumor cell viability activity in Caco-2 cells, as well as immunostimulatory activity by evaluating upregulated inflammatory-cytokine secretion by monocytes was also positively observed. Cn-AMP1 does not exhibit a well-defined conformation in aqueous solution and probably undergoes a 3(10)-helix transition in hydrophobic environments. The experimental results support the promiscuous activity of Cn-AMP1, presenting a wide range of activities, including antibacterial, antifungal, and immunostimulatory activity. In the future, Cn-AMP1 should be used in the development of novel biopharmaceuticals, mainly due to its reduced size and broad spectrum of activity.
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Affiliation(s)
- Osmar N Silva
- Centro de Análises Proteômicas e Bioquímicas, Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília-DF, Brazil
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Zhong J, Wang W, Yang X, Yan X, Liu R. A novel cysteine-rich antimicrobial peptide from the mucus of the snail of Achatina fulica. Peptides 2013; 39:1-5. [PMID: 23103587 DOI: 10.1016/j.peptides.2012.09.001] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2012] [Revised: 09/01/2012] [Accepted: 09/02/2012] [Indexed: 12/01/2022]
Abstract
Antimicrobial peptides (AMPs) are important components of the innate immunity. Many antimicrobial peptides have been found from marine mollusks. Little information about AMPs of mollusks living on land is available. A novel cysteine-rich antimicrobial peptide (mytimacin-AF) belonging to the peptide family of mytimacins was purified and characterized from the mucus of the snail of Achatina fulica. Its cDNA was also cloned from the cDNA library. Mytimacin-AF is composed of 80 amino acid residues including 10 cysteines. Mytimacin-AF showed potent antimicrobial activity against Gram-negative and Gram-positive bacteria and the fungus Candida albicans. Among tested microorganisms, it exerted strongest antimicrobial activity against Staphylococcus aureus with a minimal peptide concentration (MIC) of 1.9 μg/ml. Mytimacin-AF had little hemolytic activity against human blood red cells. The current work confirmed the presence of mytimacin-like antimicrobial peptide in land-living mollusks.
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Affiliation(s)
- Jian Zhong
- Life Sciences College of Nanjing Agricultural University, Nanjing, Jiangsu, China
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