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Salama WH, Abd-Rabou AA, Bassuiny RI, El Hakim AE, Shahein YE. Exploration of antimicrobial and anticancer activities of L-amino acid oxidase from Egyptian Naja haje venom. Toxicon 2024; 242:107708. [PMID: 38574827 DOI: 10.1016/j.toxicon.2024.107708] [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: 10/18/2023] [Revised: 02/12/2024] [Accepted: 04/02/2024] [Indexed: 04/06/2024]
Abstract
Hepatocellular carcinoma and bacterial resistance are major health burdens nowadays. Thus, providing new therapies that overcome that resistance is of great interest, particularly those derived from nature rather than chemotherapeutics to avoid cytotoxicity on normal cells. Venomous animals are among the natural sources that assisted in the discovery of novel therapeutic regimens. L-amino acid oxidase Nh-LAAO (140 kDa), purified from Egyptian Naja haje venom by a successive two-step chromatography protocol, has an optimal pH and temperature of 8 and 37 °C. Under standard assay conditions, Nh-LAAO exhibited the highest specificity toward L-Arg, L-Met and L-Leu, with Km and Vmax values of 3.5 mM and 10.4 μmol/min/ml, respectively. Among the metal ions, Ca+2, Na+, and K+ ions are activators, whereas Fe+2 inhibited LAAO activity. PMSF and EDTA slightly inhibited the Nh-LAAO activity. In addition, Nh-LAAO showed antibacterial and antifungal activities, particularly against Gentamicin-resistant P. aeruginosa and E. coli strains with MIC of 18 ± 2 μg/ml, as well as F. proliferatum and A. parasiticus among the selected human pathogenic strains. Furthermore, Nh-LAAO exhibited anti-proliferative activity against cancer HepG2 and Huh7 cells with IC50 of 79.37 and 60.11 μg/ml, respectively, with no detectable effect on normal WI-38 cells. Consequently, the apoptosis % of the HepG2 and Huh7 cells were 12 ± 1 and 34.5 ± 2.5 %, respectively, upon Nh-LAAO treatment. Further, the Nh-LAAO arrested the HepG2 and Huh7 cell cycles in the G0/G1 phase. Thus, the powerful selective cytotoxicity of L-amino acid oxidase opens up the possibility as a good candidate for clinical cancer therapy.
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Affiliation(s)
- Walaa H Salama
- Molecular Biology Department, National Research Centre, 12622, Dokki, Cairo, Egypt.
| | - Ahmed A Abd-Rabou
- HormonesDepartment, National Research Centre, 12622, Dokki, Cairo, Egypt
| | - Roqaya I Bassuiny
- Molecular Biology Department, National Research Centre, 12622, Dokki, Cairo, Egypt
| | - Amr E El Hakim
- Molecular Biology Department, National Research Centre, 12622, Dokki, Cairo, Egypt
| | - Yasser E Shahein
- Molecular Biology Department, National Research Centre, 12622, Dokki, Cairo, Egypt
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Schulte L, Damm M, Avella I, Uhrig L, Erkoc P, Schiffmann S, Fürst R, Timm T, Lochnit G, Vilcinskas A, Lüddecke T. Venomics of the milos viper ( Macrovipera schweizeri) unveils patterns of venom composition and exochemistry across blunt-nosed viper venoms. Front Mol Biosci 2023; 10:1254058. [PMID: 37719269 PMCID: PMC10500195 DOI: 10.3389/fmolb.2023.1254058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 08/21/2023] [Indexed: 09/19/2023] Open
Abstract
Introduction: Snakebite is a neglected tropical disease and a globally important driver of death and morbidity. Vipers of the genus Macrovipera (Viperidae: Viperinae) are among the snakes of higher medical importance in the Old World. Despite the medical relevance of Macrovipera venoms, the knowledge regarding them is heterogeneously distributed with virtually all works conducted so far focusing on subspecies of Macrovipera lebetinus, while other species within the genus are largely overlooked. Here we present the first proteomic evaluation of the venom from the Greek endemic Milos viper (Macrovipera schweizeri). In line with clinical symptoms typically elicited by Macrovipera envenomations, Milos viper venom primarily comprises coagulotoxic and cytotoxic protein families, such as metalloproteinases (svMP) and serine proteases (svSP). Methods: We conducted comparative bioactivity assays on venoms from M. schweizeri and the M. lebetinus subspecies M. lebetinus cernovi, M. lebetinus obtusa, and M. lebetinus turanica, and showed that they all exhibit similarities in levels of cytotoxicity proteolytic activity, and inhibition of prokaryotic growth. Lastly, we compared Macrovipera venom profiles by 1D-SDS-PAGE and RP-HPLC, as well as our proteomic data with previously published Macrovipera venom proteomes. Results and discussion: The analyzes performed to reveal that a general venom profile seems to be conserved across blunt-nosed vipers, and that, M. schweizeri envenomations, similarly to those caused by other blunt-nosed vipers, are able to cause significant tissue damage. The present work represents an important starting point for the development of comparative studies across the full taxonomic range of the genus Macrovipera and can potentially help optimize the treatment of envenomations caused by M. schweizeri.
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Affiliation(s)
- Lennart Schulte
- Department of Bioresources, Fraunhofer Institute for Molecular Biology and Applied Ecology, Giessen, Germany
- Institute for Insect Biotechnology, Justus Liebig University Giessen, Giessen, Germany
- LOEWE-Centre for Translational Biodiversity Genomics, Frankfurt, Germany
| | - Maik Damm
- LOEWE-Centre for Translational Biodiversity Genomics, Frankfurt, Germany
| | - Ignazio Avella
- CIBIO, Research Centre in Biodiversity and Genetic Resources, InBIO Associated Laboratory, University Port, Porto, Portugal
- Department of Biology, Faculty of Sciences, University of Porto, Porto, Portugal
- CIBIO, BIOPOLIS Program in Genomics, Biodiversity and Land Planning, Vairão, Portugal
| | - Lilien Uhrig
- Department of Bioresources, Fraunhofer Institute for Molecular Biology and Applied Ecology, Giessen, Germany
| | - Pelin Erkoc
- LOEWE-Centre for Translational Biodiversity Genomics, Frankfurt, Germany
- Institute of Pharmaceutical Biology, Faculty of Biochemistry, Chemistry and Pharmacy, Goethe University Frankfurt, Frankfurt, Germany
| | - Susanne Schiffmann
- LOEWE-Centre for Translational Biodiversity Genomics, Frankfurt, Germany
- Fraunhofer Institute for Translational Medicine and Pharmacology (ITMP), Frankfurt, Germany
| | - Robert Fürst
- LOEWE-Centre for Translational Biodiversity Genomics, Frankfurt, Germany
- Institute of Pharmaceutical Biology, Faculty of Biochemistry, Chemistry and Pharmacy, Goethe University Frankfurt, Frankfurt, Germany
| | - Thomas Timm
- Institute of Biochemistry, Justus Liebig University Giessen, Giessen, Germany
| | - Günter Lochnit
- Institute of Biochemistry, Justus Liebig University Giessen, Giessen, Germany
| | - Andreas Vilcinskas
- Department of Bioresources, Fraunhofer Institute for Molecular Biology and Applied Ecology, Giessen, Germany
- Institute for Insect Biotechnology, Justus Liebig University Giessen, Giessen, Germany
- LOEWE-Centre for Translational Biodiversity Genomics, Frankfurt, Germany
| | - Tim Lüddecke
- Department of Bioresources, Fraunhofer Institute for Molecular Biology and Applied Ecology, Giessen, Germany
- LOEWE-Centre for Translational Biodiversity Genomics, Frankfurt, Germany
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3
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Singkham-In U, Thaveekarn W, Noiphrom J, Khow O, Ponwaranon S, Issara-Amphorn J, Sitprija V, Leelahavanichkul A. Hydrogen peroxide from L-amino acid oxidase of king cobra (Ophiophagus hannah) venom attenuates Pseudomonas biofilms. Sci Rep 2023; 13:11304. [PMID: 37438396 DOI: 10.1038/s41598-023-37914-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 06/29/2023] [Indexed: 07/14/2023] Open
Abstract
Because of the high incidence of Pseudomonas aeruginosa biofilms-related nosocomial infections, venoms from common Thai snakes were tested. Although venoms from king cobra (Ophiophagus hannah; OH) and green pit viper (Trimeresurus albolabris) showed the broadest antibacterial spectrum, OH venom demonstrated more profound anti-biofilm activities against P. aeruginosa. Additionally, purified L-amino acid oxidase from OH venom (OH-LAAO), using a three-step chromatography and protein identification, reduced biofilm mass as indicated by the downregulation of several genes, including the genes for biofilm synthesis (algD and pslB) and biofilm regulators (algU, gacA, and siaD). Moreover, OH-LAAO disrupted Pseudomonas-preformed biofilms via upregulation of several genes for biofilm dispersion (nbdA, bdlA, and dipA) and biofilm degradation (endA and pslG), resulting in a reduction of the biofilm biomass. Due to the antimicrobial effects and anti-biofilm activities (reduced production plus increased dispersion) neutralized by catalase, a hydrogen peroxide (H2O2)-degrading enzyme, the enhanced H2O2 by OH venom might be one of the anti-biofilm mechanisms. Hence, OH-LAAO was proposed as a novel agent against Pseudomonas biofilms for either treatment or prevention. More studies are interesting.
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Affiliation(s)
- Uthaibhorn Singkham-In
- Department of Microbiology, Faculty of Medicine, Chulalongkorn University, 1873 Rama 4 Road, Pathumwan, Bangkok, 10330, Thailand
- Center of Excellence in Translational Research in Inflammatory and Immunology (CETRII), Faculty of Medicine, Chulalongkorn University, 1873 Rama 4 Road, Pathumwan, Bangkok, 10330, Thailand
| | - Wichit Thaveekarn
- Queen Saovabha Memorial Institute, Thai Red Cross Society, 1871 Rama 4 Road, Pathumwan, Bangkok, 10330, Thailand
| | - Jureeporn Noiphrom
- Queen Saovabha Memorial Institute, Thai Red Cross Society, 1871 Rama 4 Road, Pathumwan, Bangkok, 10330, Thailand
| | - Orawan Khow
- Queen Saovabha Memorial Institute, Thai Red Cross Society, 1871 Rama 4 Road, Pathumwan, Bangkok, 10330, Thailand
| | - Surada Ponwaranon
- Department of Microbiology, Faculty of Medicine, Chulalongkorn University, 1873 Rama 4 Road, Pathumwan, Bangkok, 10330, Thailand
- Center of Excellence in Translational Research in Inflammatory and Immunology (CETRII), Faculty of Medicine, Chulalongkorn University, 1873 Rama 4 Road, Pathumwan, Bangkok, 10330, Thailand
| | - Jiraphorn Issara-Amphorn
- Functional Cellular Networks Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Visith Sitprija
- Queen Saovabha Memorial Institute, Thai Red Cross Society, 1871 Rama 4 Road, Pathumwan, Bangkok, 10330, Thailand
| | - Asada Leelahavanichkul
- Department of Microbiology, Faculty of Medicine, Chulalongkorn University, 1873 Rama 4 Road, Pathumwan, Bangkok, 10330, Thailand.
- Center of Excellence in Translational Research in Inflammatory and Immunology (CETRII), Faculty of Medicine, Chulalongkorn University, 1873 Rama 4 Road, Pathumwan, Bangkok, 10330, Thailand.
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Purification of PaTx-II from the Venom of the Australian King Brown Snake and Characterization of Its Antimicrobial and Wound Healing Activities. Int J Mol Sci 2023; 24:ijms24054359. [PMID: 36901790 PMCID: PMC10002107 DOI: 10.3390/ijms24054359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/26/2023] [Accepted: 02/10/2023] [Indexed: 02/25/2023] Open
Abstract
Infections caused by multi-drug-resistant (MDR) bacteria are a global threat to human health. As venoms are the source of biochemically diverse bioactive proteins and peptides, we investigated the antimicrobial activity and murine skin infection model-based wound healing efficacy of a 13 kDa protein. The active component PaTx-II was isolated from the venom of Pseudechis australis (Australian King Brown or Mulga Snake). PaTx-II inhibited the growth of Gram-positive bacteria in vitro, with moderate potency (MICs of 25 µM) observed against S. aureus, E. aerogenes, and P. vulgaris. The antibiotic activity of PaTx-II was associated with the disruption of membrane integrity, pore formation, and lysis of bacterial cells, as evidenced by scanning and transmission microscopy. However, these effects were not observed with mammalian cells, and PaTx-II exhibited minimal cytotoxicity (CC50 > 1000 µM) toward skin/lung cells. Antimicrobial efficacy was then determined using a murine model of S. aureus skin infection. Topical application of PaTx-II (0.5 mg/kg) cleared S. aureus with concomitant increased vascularization and re-epithelialization, promoting wound healing. As small proteins and peptides can possess immunomodulatory effects to enhance microbial clearance, cytokines and collagen from the wound tissue samples were analyzed by immunoblots and immunoassays. The amounts of type I collagen in PaTx-II-treated sites were elevated compared to the vehicle controls, suggesting a potential role for collagen in facilitating the maturation of the dermal matrix during wound healing. Levels of the proinflammatory cytokines interleukin-1β (IL-1β), interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α), cyclooxygenase-2 (COX-2) and interleukin-10 (IL-10), factors known to promote neovascularization, were substantially reduced by PaTx-II treatment. Further studies that characterize the contributions towards efficacy imparted by in vitro antimicrobial and immunomodulatory activity with PaTx-II are warranted.
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Antibacterial Properties of Crotoxin from Crotalus durissus terrificus-Insight into the Mechanism of Action. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27227726. [PMID: 36431827 PMCID: PMC9696005 DOI: 10.3390/molecules27227726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 10/30/2022] [Accepted: 11/08/2022] [Indexed: 11/12/2022]
Abstract
The growing problem of antibiotic resistance among bacteria requires searching for new therapeutic agents with bacteriostatic and/or bactericidal properties. Crotoxin is a β-neurotoxin from the venom of the Crotalus durissus terrificus. It is composed of two subunits: CA (non-active) and CB (with phospholipase A2 activity). It has already been shown that the isolated CB, but not the CA, subunit of crotoxin exhibits an antibacterial activity towards a variety of Gram-positive and Gram-negative bacterial species. However, no studies on the whole crotoxin complex have been carried out so far. We tested the antibacterial properties of crotoxin, as well as its isolated CB subunit, towards Staphylococcus aureus ATCC 25923, Staphylococcus aureus ATCC 6535, Micrococcus luteus ATCC 10240, Escherichia coli ATCC 25922, Escherichia coli ATCC 8739, and Pseudomonas aeruginosa ATCC 10145. Both toxins exhibited antibacterial properties only against Micrococcus luteus ATCC 10240. Crotoxin showed only bacteriostatic activity with a MIC of 46 µM, while the CB subunit acted as both a bacteriostatic and bactericidal agent with a MIC = MBC = 0.21 μM. The bacteriostatic effect of the toxins was independent of the enzymatic activity of the CB subunit. Bactericidal properties, however, require phospholipase A2 activity. Both toxins reduced bacteria viability at the MIC by 72% and 85% for crotoxin- and CB-treated bacteria, respectively. The membrane permeability increased approximately three times within the first hour of incubation with toxins; afterwards, either no significant changes or a decrease of membrane permeability, compared to the control cells, were observed. We isolated a single, approximately 30 kDa bacterial wall protein which belongs to the NlpC/P60 family that interacts with crotoxin leading to the inhibition of bacterial growth. Neither crotoxin nor the CB subunit showed any cytotoxic properties to human fibroblasts at the MIC during the three-day incubation.
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Nogrado K, Adisakwattana P, Reamtong O. Antimicrobial peptides: On future antiprotozoal and anthelminthic applications. Acta Trop 2022; 235:106665. [PMID: 36030045 DOI: 10.1016/j.actatropica.2022.106665] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/23/2022] [Accepted: 08/23/2022] [Indexed: 11/26/2022]
Abstract
Control and elimination of parasitic diseases are nowadays further complicated by emergence of drug resistance. Drug resistance is a serious threat as there are not many effective antiparasitic drugs available. Aside from drug resistance, it is also favorable to look for alternative therapeutics that have lesser adverse effects. Antimicrobial peptides (AMPs) were found to address these issues. Some of its desirable traits are they are fast-acting, it has broad action that the pathogen will have difficulty developing resistance to, it has high specificity, and most importantly there are extensive sources such as bacteria; invertebrate and vertebrate animals as well as plants. Aside from this, AMPs are also found to modulate the immune response. This review would like to describe AMPs that have been studied for their antiparasitic activities especially on parasitic diseases that causes high mortality and exhibits drug resistance like malaria and leishmaniasis and to discuss the mechanism of action of these AMPS.
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Affiliation(s)
- Kathyleen Nogrado
- Department of Molecular Tropical Medicine and Genetics, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
| | - Poom Adisakwattana
- Department of Helminthology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Onrapak Reamtong
- Department of Molecular Tropical Medicine and Genetics, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand.
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Esmaeilishirazifard E, Usher L, Trim C, Denise H, Sangal V, Tyson GH, Barlow A, Redway KF, Taylor JD, Kremyda-Vlachou M, Davies S, Loftus TD, Lock MMG, Wright K, Dalby A, Snyder LAS, Wuster W, Trim S, Moschos SA. Bacterial Adaptation to Venom in Snakes and Arachnida. Microbiol Spectr 2022; 10:e0240821. [PMID: 35604233 PMCID: PMC9248900 DOI: 10.1128/spectrum.02408-21] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 04/14/2022] [Indexed: 11/20/2022] Open
Abstract
Animal venoms are considered sterile sources of antimicrobial compounds with strong membrane-disrupting activity against multidrug-resistant bacteria. However, venomous bite wound infections are common in developing nations. Investigating the envenomation organ and venom microbiota of five snake and two spider species, we observed venom community structures that depend on the host venomous animal species and evidenced recovery of viable microorganisms from black-necked spitting cobra (Naja nigricollis) and Indian ornamental tarantula (Poecilotheria regalis) venoms. Among the bacterial isolates recovered from N. nigricollis, we identified two venom-resistant, novel sequence types of Enterococcus faecalis whose genomes feature 16 virulence genes, indicating infectious potential, and 45 additional genes, nearly half of which improve bacterial membrane integrity. Our findings challenge the dogma of venom sterility and indicate an increased primary infection risk in the clinical management of venomous animal bite wounds. IMPORTANCE Notwithstanding their 3 to 5% mortality, the 2.7 million envenomation-related injuries occurring annually-predominantly across Africa, Asia, and Latin America-are also major causes of morbidity. Venom toxin-damaged tissue will develop infections in some 75% of envenomation victims, with E. faecalis being a common culprit of disease; however, such infections are generally considered to be independent of envenomation. Here, we provide evidence on venom microbiota across snakes and arachnida and report on the convergent evolution mechanisms that can facilitate adaptation to black-necked cobra venom in two independent E. faecalis strains, easily misidentified by biochemical diagnostics. Therefore, since inoculation with viable and virulence gene-harboring bacteria can occur during envenomation, acute infection risk management following envenomation is warranted, particularly for immunocompromised and malnourished victims in resource-limited settings. These results shed light on how bacteria evolve for survival in one of the most extreme environments on Earth and how venomous bites must be also treated for infections.
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Affiliation(s)
- Elham Esmaeilishirazifard
- Department of Biomedical Sciences, Faculty of Science and Technology, University of Westminster, London, United Kingdom
- Westminster Genomic Services, Faculty of Science and Technology, University of Westminster, London, United Kingdom
| | - Louise Usher
- Department of Biomedical Sciences, Faculty of Science and Technology, University of Westminster, London, United Kingdom
- Westminster Genomic Services, Faculty of Science and Technology, University of Westminster, London, United Kingdom
| | - Carol Trim
- School of Psychology and Life Sciences, Faculty of Science, Engineering and Social Sciences, Canterbury Christ Church University, Canterbury, Kent, United Kingdom
| | - Hubert Denise
- EMBL-EBI European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge, United Kingdom
| | - Vartul Sangal
- Department of Applied Sciences, Faculty of Health and Life Sciences, Northumbria University, Newcastle, Tyne and Wear, United Kingdom
| | - Gregory H. Tyson
- Food and Drug Administration, Center for Veterinary Medicine, Office of Research, Laurel, Maryland, USA
| | - Axel Barlow
- Institute for Biochemistry and Biology, University of Potsdam, Potsdam, Germany
| | - Keith F. Redway
- Department of Biomedical Sciences, Faculty of Science and Technology, University of Westminster, London, United Kingdom
| | - John D. Taylor
- Department of Biomedical Sciences, Faculty of Science and Technology, University of Westminster, London, United Kingdom
- Westminster Genomic Services, Faculty of Science and Technology, University of Westminster, London, United Kingdom
- School of Environment and Life Sciences, University of Salford, Salford, Greater Manchester, United Kingdom
| | - Myrto Kremyda-Vlachou
- Department of Biomedical Sciences, Faculty of Science and Technology, University of Westminster, London, United Kingdom
| | - Sam Davies
- Department of Applied Sciences, Faculty of Health and Life Sciences, Northumbria University, Newcastle, Tyne and Wear, United Kingdom
| | | | | | - Kstir Wright
- Department of Biomedical Sciences, Faculty of Science and Technology, University of Westminster, London, United Kingdom
| | - Andrew Dalby
- Department of Biomedical Sciences, Faculty of Science and Technology, University of Westminster, London, United Kingdom
| | - Lori A. S. Snyder
- School of Life Sciences, Pharmacy, and Chemistry, Kingston University, London, United Kingdom
| | - Wolfgang Wuster
- Molecular Ecology and Evolution at Bangor, School of Biological Sciences, College of Natural Sciences, Bangor University, Bangor, Wales, United Kingdom
| | - Steve Trim
- Venomtech, Ltd., Sandwich, Kent, United Kingdom
| | - Sterghios A. Moschos
- Department of Biomedical Sciences, Faculty of Science and Technology, University of Westminster, London, United Kingdom
- Westminster Genomic Services, Faculty of Science and Technology, University of Westminster, London, United Kingdom
- Department of Applied Sciences, Faculty of Health and Life Sciences, Northumbria University, Newcastle, Tyne and Wear, United Kingdom
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Antiprotozoal Effect of Snake Venoms and Their Fractions: A Systematic Review. Pathogens 2021; 10:pathogens10121632. [PMID: 34959587 PMCID: PMC8707848 DOI: 10.3390/pathogens10121632] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/08/2021] [Accepted: 12/13/2021] [Indexed: 11/17/2022] Open
Abstract
Background: Protozoal infection is a lingering public health issue of great concern, despite efforts to produce drugs and vaccines against it. Recent breakthrough research has discovered alternative antiprotozoal agents encompassing the use of snake venoms and their components to cure these infections. This study collated the existing literature to examine the antiprotozoal effect of snake venoms and their fractions. Methods: We conducted a systematic review following the PRISMA guidelines. The PubMed and Embase databases were searched from their inception until 13 October 2021. Articles were screened at the title, abstract and full-text phases. Some additional studies were obtained through the manual search process. Results: We identified 331 studies via the electronic database and manual searches, of which 55 reporting the antiprotozoal effect of snake venoms and their components were included in the review. Around 38% of studies examined the effect of whole crude venoms, and a similar percentage evaluated the effect of a proportion of enzymatic phospholipase A2 (PLA2). In particular, this review reports around 36 PLA2 activities and 29 snake crude venom activities. We also report the notable phenomenon of synergism with PLA2 isoforms of Bothrops asper. Importantly, limited attention has been given so far to the antiprotozoal efficacies of metalloproteinase, serine protease and three-finger toxins, although these venom components have been identified as significant components of the dominant venom families. Conclusion: This study highlights the impact of snake venoms and their fractions on controlling protozoal infections and suggests the need to examine further the effectiveness of other venom components, such as metalloproteinase, serine protease and three-finger toxins. Future research questions in this field must be redirected toward synergism in snake venom components, based on pharmacological usage and in the context of toxicology. Ascertaining the effects of snake venoms and their components on other protozoal species that have not yet been studied is imperative.
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Simões-Silva R, Alfonso JJ, Gómez AF, Sobrinho JC, Kayano AM, de Medeiros DSS, Teles CBG, Quintero A, Fuly AL, Gómez CV, Pereira SS, da Silva SL, Stábeli RG, Soares AM. Synergism of in vitro plasmodicidal activity of phospholipase A2 isoforms isolated from panamanian Bothrops asper venom. Chem Biol Interact 2021; 346:109581. [PMID: 34302801 DOI: 10.1016/j.cbi.2021.109581] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 06/11/2021] [Accepted: 07/16/2021] [Indexed: 10/20/2022]
Abstract
Bothrops asper is one of the most important snake species in Central America, mainly because of its medical importance in countries like Ecuador, Panama and Costa Rica, where this species causes a high number of snakebite accidents. Several basic phospholipases A2 (PLA2s) have been previously characterized from B. asper venom, but few studies have been carried out with its acidic isoforms. In addition, since snake venom is a rich source of bioactive substances, it is necessary to investigate the biotechnological potential of its components. In this context, this study aimed to carry out the biochemical characterization of PLA2 isoforms isolated from B. asper venom and to evaluate the antiparasitic potential of these toxins. The venom and key fractions were subjected to different chromatographic steps, obtaining nine PLA2s, four acidic ones (BaspAc-I, BaspAc-II, BaspAc-III and BaspAc-IV) and five basic ones (BaspB-I, BaspB-II, BaspB-III, BaspB-IV and BaspB-V). The isoelectric points of the acidic PLA2s were also determined, which presented values ranging between 4.5 and 5. The findings indicated the isolation of five unpublished isoforms, four Asp49-PLA, corresponding to the group of acidic isoforms, and one Lys49-PLA2-like. Acidic PLA2s catalyzed the degradation of all substrates evaluated; however, for the basic PLA2s, there was a preference for phosphatidylglycerol and phosphatidic acid. The antiparasitic potential of the toxins was evaluated, and the acidic PLA2s demonstrated action against the epimastigote forms of T. cruzi and promastigote forms of L. infantum, while the basic PLA2s BaspB-II and BaspB-IV showed activity against P. falciparum. The results indicated an increase of up to 10 times in antiplasmodial activity, when the Asp49-PLA2 and Lys49-PLA2 were associated with one another, denoting synergistic action between these PLA2 isoforms. These findings correspond to the first report of synergistic antiplasmodial action for svPLA2s, demonstrating that these molecules may be important targets in the search for new antiparasitic agents.
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Affiliation(s)
- Rodrigo Simões-Silva
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, CEBio, Laboratório de Biotecnologia de Proteínas e Compostos Bioativos da Amazônia Ocidental, LaBioProt, Fundação Oswaldo Cruz, FIOCRUZ, Unidade Rondônia, Porto Velho, RO, Brazil; Instituto Federal de Educação, Ciência e Tecnologia de Rondônia, IFRO, Campus Vilhena, Vilhena, RO, Brazil
| | - Jorge Javier Alfonso
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, CEBio, Laboratório de Biotecnologia de Proteínas e Compostos Bioativos da Amazônia Ocidental, LaBioProt, Fundação Oswaldo Cruz, FIOCRUZ, Unidade Rondônia, Porto Velho, RO, Brazil; Centro Para el Desarrollo de la Investigación Científica (CEDIC), Asunción, Paraguay
| | - Ana F Gómez
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, CEBio, Laboratório de Biotecnologia de Proteínas e Compostos Bioativos da Amazônia Ocidental, LaBioProt, Fundação Oswaldo Cruz, FIOCRUZ, Unidade Rondônia, Porto Velho, RO, Brazil; Centro Para el Desarrollo de la Investigación Científica (CEDIC), Asunción, Paraguay
| | - Juliana C Sobrinho
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, CEBio, Laboratório de Biotecnologia de Proteínas e Compostos Bioativos da Amazônia Ocidental, LaBioProt, Fundação Oswaldo Cruz, FIOCRUZ, Unidade Rondônia, Porto Velho, RO, Brazil
| | - Anderson M Kayano
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, CEBio, Laboratório de Biotecnologia de Proteínas e Compostos Bioativos da Amazônia Ocidental, LaBioProt, Fundação Oswaldo Cruz, FIOCRUZ, Unidade Rondônia, Porto Velho, RO, Brazil; Centro de Pesquisa em Medicina Tropical, CEPEM-SESAU/RO, Porto Velho, RO, Brazil
| | - Daniel S S de Medeiros
- Plataforma de Bioensaios em Malária e Leishmanioses, Fundação Oswaldo Cruz, FIOCRUZ, Unidade Rondônia, Porto Velho, RO, Brazil; Programa de Pós-graduação em Biologia Experimental, Universidade Federal de Rondônia, Porto Velho, RO, Brazil
| | - Carolina B G Teles
- Plataforma de Bioensaios em Malária e Leishmanioses, Fundação Oswaldo Cruz, FIOCRUZ, Unidade Rondônia, Porto Velho, RO, Brazil; Programa de Pós-graduação em Biologia Experimental, Universidade Federal de Rondônia, Porto Velho, RO, Brazil; Instituto Nacional de Ciência e Tecnologia em Epidemiologia da Amazônia Ocidental (INCT-EpiAmO), Brazil
| | - Aristides Quintero
- Centro de Informaciones e Investigaciones Toxicológicas y Químicas Aplicadas (CEIITOXQUIA) and Departamento de Química, FCNYE, Universidad Autónoma de Chiriquí, UNACHI, David, Panama
| | - André L Fuly
- Universidade Federal Fluminense, UFF, Niteroi, RJ, Brazil
| | - Celeste Vega Gómez
- Centro Para el Desarrollo de la Investigación Científica (CEDIC), Asunción, Paraguay
| | - Soraya S Pereira
- Laboratório de Engenharia de Anticorpos, Fundação Oswaldo Cruz, FIOCRUZ, Fiocruz Rondônia, Porto Velho, RO, Brazil
| | - Saulo L da Silva
- Faculty of Chemical Sciences, University of Cuenca, Cuenca, Azuay, Ecuador; LAQV-REQUIMTE, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, Porto, Portugal
| | - Rodrigo G Stábeli
- Fundação Oswaldo Cruz, FIOCRUZ, Plataforma Bi-institucional de Medicina Translacional. Ribeirão Preto, SP, Brazil
| | - Andreimar M Soares
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, CEBio, Laboratório de Biotecnologia de Proteínas e Compostos Bioativos da Amazônia Ocidental, LaBioProt, Fundação Oswaldo Cruz, FIOCRUZ, Unidade Rondônia, Porto Velho, RO, Brazil; Programa de Pós-graduação em Biologia Experimental, Universidade Federal de Rondônia, Porto Velho, RO, Brazil; Instituto Nacional de Ciência e Tecnologia em Epidemiologia da Amazônia Ocidental (INCT-EpiAmO), Brazil; Centro Universitário São Lucas, UniSL, Porto Velho, RO, Brazil.
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10
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Badari JC, Díaz-Roa A, Teixeira Rocha MM, Mendonça RZ, da Silva Junior PI. Patagonin-CRISP: Antimicrobial Activity and Source of Antimicrobial Molecules in Duvernoy's Gland Secretion ( Philodryas patagoniensis Snake). Front Pharmacol 2021; 11:586705. [PMID: 33603660 PMCID: PMC7884886 DOI: 10.3389/fphar.2020.586705] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 12/16/2020] [Indexed: 11/13/2022] Open
Abstract
Snake venom contains a variety of toxins with a range of biological activity, among these toxins cysteine-rich secreted proteins (CRISPs) can be found. The proteins of this family have masses of 20-30 kDa and display homologous amino acid sequences containing 16 cysteine residues, forming eight disulfide bonds. Some of these proteins have been explored, characterized, and described in terms of their activity; however, little is known about their range of activities. A search for new antimicrobial molecules is ongoing, as the number of microbial strains resistant to available antibiotics is increasing. We identified antimicrobial activity in the secretion of Duvernoy's gland of the rear-fanged Philodryas patagoniensis. Fractions of this venom were subjected to reverse-phase high performance liquid chromatography and analyzed to determine their antimicrobial activity with a liquid broth inhibition assay. One of the fractions presented activity against a Gram-negative bacterium and a filamentous fungus. This fraction was analyzed with LC-MS/MS, and a protein of 24,848.8 Da was identified. Database searches allowed us to identify it as a CRISP due to the presence of some unique fragments in the molecule. We called it patagonin-CRISP, as the same protein in the venom of P. patagoniensis had previously been characterized as having a different biological activity. Patagonin-CRISP presented activity at very low concentrations and showed no cytotoxic activity. This is the first time that antimicrobial activity has been identified for P. patagoniensis venom or for a CRISP family protein.
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Affiliation(s)
| | - Andrea Díaz-Roa
- Laboratory for Applied Toxinology (LETA) - Center of Toxins, Immune-Response and Cell Signaling - CeTICS/CEPID Butantan Institute, São Paulo, Brazil.,Escuela de Ciencias Agrícolas, Pecuarias y del Medio Ambiente (ECAPMA), Universidad Nacional Abierta y a Distancia (UNAD), Bogotá, Colombia
| | | | | | - Pedro Ismael da Silva Junior
- Laboratory for Applied Toxinology (LETA) - Center of Toxins, Immune-Response and Cell Signaling - CeTICS/CEPID Butantan Institute, São Paulo, Brazil
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11
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Gopcevic K, Karadzic I, Izrael-Zivkovic L, Medic A, Isakovic A, Popović M, Kekic D, Stanojkovic T, Hozic A, Cindric M. Study of the venom proteome of Vipera ammodytes ammodytes (Linnaeus, 1758): A qualitative overview, biochemical and biological profiling. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2020; 37:100776. [PMID: 33197857 DOI: 10.1016/j.cbd.2020.100776] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 10/13/2020] [Accepted: 11/04/2020] [Indexed: 12/23/2022]
Abstract
Vipera ammodytes (Va), is the European venomous snake of the greatest medical importance. We analyzed whole venom proteome of the subspecies V. ammodytes ammodytes (Vaa) from Serbia for the first time using the shotgun proteomics approach and identified 99 proteins belonging to four enzymatic families: serine protease (SVSPs), L-amino acid oxidase (LAAOs), metalloproteinases (SVMPs), group II phospholipase (PLA2s), and five nonenzymatic families: cysteine-rich secretory proteins (CRISPs), C-type lectins (snaclecs), growth factors -nerve (NGFs) and vascular endothelium (VEGFs), and Kunitz-type protease inhibitors (SPIs). Considerable enzymatic activity of LAAO, SVSPs, and SVMPs and a high acidic PLA2 activity was measured implying potential of Vaa to produce haemotoxic, myotoxic, neuro and cardiotoxic effects. Moreover, significant antimicrobial activity of Vaa venom against Gram-negative (Klebsiella pneumoniae, Pseudomonas aeruginosa) and Gram-positive bacteria (Staphylococcus aureus) was found. The crude venom shows considerable potential cytotoxic activity on the C6 and HL60 and a moderate level of potency on B16 cell lines. HeLa cells showed the same sensitivity, while DU 145 and PC-3 are less sensitive than as normal cell line. Our data demonstrated a high complexity of Vaa and considerable enzymatic, antibacterial and cytotoxic activity, implying a great medical potential of Vaa venom as a promising source for new antibacterial and cytostatic agents.
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Affiliation(s)
- Kristina Gopcevic
- Department of Chemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia.
| | - Ivanka Karadzic
- Department of Chemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Lidija Izrael-Zivkovic
- Department of Chemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Ana Medic
- Department of Chemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Aleksandra Isakovic
- Department of Medical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Marjan Popović
- Department of Medical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Dusan Kekic
- Department of Microbiology and Immunology, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | | | - Amela Hozic
- Ruđer Bošković Institute, Proteomics and Mass Spectrometry, Zagreb, Croatia
| | - Mario Cindric
- Ruđer Bošković Institute, Proteomics and Mass Spectrometry, Zagreb, Croatia
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12
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Kuna E, Bocian A, Hus KK, Petrilla V, Petrillova M, Legath J, Lewinska A, Wnuk M. Evaluation of Antifungal Activity of Naja pallida and Naja mossambica Venoms against Three Candida Species. Toxins (Basel) 2020; 12:toxins12080500. [PMID: 32759763 PMCID: PMC7472363 DOI: 10.3390/toxins12080500] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 07/21/2020] [Accepted: 07/31/2020] [Indexed: 01/28/2023] Open
Abstract
In contrast to comprehensively investigated antibacterial activity of snake venoms, namely crude venoms and their selected components, little is known about antifungal properties of elapid snake venoms. In the present study, the proteome of two venoms of red spitting cobra Naja pallida (NPV) and Mozambique spitting cobra Naja mossambica (NMV) was characterized using LC-MS/MS approach, and the antifungal activity of crude venoms against three Candida species was established. A complex response to venom treatment was revealed. NPV and NMV, when used at relatively high concentrations, decreased cell viability of C. albicans and C. tropicalis, affected cell cycle of C. albicans, inhibited C. tropicalis-based biofilm formation and promoted oxidative stress in C. albicans, C. glabrata and C. tropicalis cells. NPV and NMV also modulated ammonia pulses during colony development and aging in three Candida species. All these observations provide evidence that NPV and NMV may diminish selected pathogenic features of Candida species. However, NPV and NMV also promoted the secretion of extracellular phospholipases that may facilitate Candida pathogenicity and limit their usefulness as anti-candidal agents. In conclusion, antifungal activity of snake venoms should be studied with great caution and a plethora of pathogenic biomarkers should be considered in the future experiments.
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Affiliation(s)
- Ewelina Kuna
- Department of Biotechnology, Institute of Biology and Biotechnology, University of Rzeszow, 35-310 Rzeszow, Poland;
| | - Aleksandra Bocian
- Department of Biotechnology and Bioinformatics, Faculty of Chemistry, Rzeszow University of Technology, 35-959 Rzeszow, Poland; (A.B.); (K.K.H.); (J.L.)
| | - Konrad K. Hus
- Department of Biotechnology and Bioinformatics, Faculty of Chemistry, Rzeszow University of Technology, 35-959 Rzeszow, Poland; (A.B.); (K.K.H.); (J.L.)
| | - Vladimir Petrilla
- Department of Physiology, University of Veterinary Medicine and Pharmacy, 041 81 Kosice, Slovak Republic;
- Zoological Department, Zoological Garden Kosice, 040 06 Kosice, Slovak Republic
| | - Monika Petrillova
- Department of General Education Subjects, University of Veterinary Medicine and Pharmacy, 041 81 Kosice, Slovak Republic;
| | - Jaroslav Legath
- Department of Biotechnology and Bioinformatics, Faculty of Chemistry, Rzeszow University of Technology, 35-959 Rzeszow, Poland; (A.B.); (K.K.H.); (J.L.)
- Department of Pharmacology and Toxicology, University of Veterinary Medicine and Pharmacy, 041 81 Kosice, Slovak Republic
| | - Anna Lewinska
- Department of Biotechnology, Institute of Biology and Biotechnology, University of Rzeszow, 35-310 Rzeszow, Poland;
- Correspondence: (A.L.); (M.W.); Tel.: +48-17-851-86-09 (A.L. & M.W.)
| | - Maciej Wnuk
- Department of Biotechnology, Institute of Biology and Biotechnology, University of Rzeszow, 35-310 Rzeszow, Poland;
- Correspondence: (A.L.); (M.W.); Tel.: +48-17-851-86-09 (A.L. & M.W.)
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13
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Bocian A, Sławek S, Jaromin M, Hus KK, Buczkowicz J, Łysiak D, Petrílla V, Petrillova M, Legáth J. Comparison of Methods for Measuring Protein Concentration in Venom Samples. Animals (Basel) 2020; 10:E448. [PMID: 32182656 PMCID: PMC7142616 DOI: 10.3390/ani10030448] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 03/05/2020] [Accepted: 03/06/2020] [Indexed: 01/15/2023] Open
Abstract
Snake venom is an extremely interesting natural mixture of proteins and peptides, characterized by both high diversity and high pharmacological potential. Much attention has been paid to the study of venom composition of different species and also detailed analysis of the properties of individual components. Since proteins and peptides are the active ingredients in venom, rapidly developing proteomic techniques are used to analyze them. During such analyses, one of the routine operations is to measure the protein concentration in the sample. The aim of this study was to compare five methods used to measure protein content in venoms of two snake species: the Viperids representative, Agkistrodon contortrix, and the Elapids representative, Naja ashei. The study showed that for A. contortrix venom, the concentration of venom protein measured by four methods is very similar and only the NanoDrop method clearly stands out from the rest. However, in the case of N. ashei venom, each technique yields significantly different results. We hope that this report will help to draw attention to the problem of measuring protein concentration, especially in such a complex mixture as animal venoms.
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Affiliation(s)
- Aleksandra Bocian
- Faculty of Chemistry, Rzeszow University of Technology, 35-959 Rzeszów, Poland; (S.S.); (M.J.); (K.K.H.); (J.B.); (D.Ł.)
| | - Sonja Sławek
- Faculty of Chemistry, Rzeszow University of Technology, 35-959 Rzeszów, Poland; (S.S.); (M.J.); (K.K.H.); (J.B.); (D.Ł.)
| | - Marcin Jaromin
- Faculty of Chemistry, Rzeszow University of Technology, 35-959 Rzeszów, Poland; (S.S.); (M.J.); (K.K.H.); (J.B.); (D.Ł.)
| | - Konrad K. Hus
- Faculty of Chemistry, Rzeszow University of Technology, 35-959 Rzeszów, Poland; (S.S.); (M.J.); (K.K.H.); (J.B.); (D.Ł.)
| | - Justyna Buczkowicz
- Faculty of Chemistry, Rzeszow University of Technology, 35-959 Rzeszów, Poland; (S.S.); (M.J.); (K.K.H.); (J.B.); (D.Ł.)
| | - Dawid Łysiak
- Faculty of Chemistry, Rzeszow University of Technology, 35-959 Rzeszów, Poland; (S.S.); (M.J.); (K.K.H.); (J.B.); (D.Ł.)
| | - Vladimir Petrílla
- Department of Anatomy, Histology and Physiology, University of Veterinary Medicine and Pharmacy, Komenského 73, 041 81 Kosice, Slovakia;
- Zoological Department, Zoological Garden Košice, Široká 31, 040 06 Košice-Kavečany, Slovakia
| | - Monika Petrillova
- Department of General Education Subjects, University of Veterinary Medicine and Pharmacy, Komenského 73, 041 81 Kosice, Slovakia;
| | - Jaroslav Legáth
- Faculty of Chemistry, Rzeszow University of Technology, 35-959 Rzeszów, Poland; (S.S.); (M.J.); (K.K.H.); (J.B.); (D.Ł.)
- Department of Pharmacology and Toxicology, University of Veterinary Medicine and Pharmacy, Komenského 73, 041 81 Kosice, Slovakia
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14
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Zaragoza-Bastida A, Flores-Aguilar SC, Aguilar-Castro LM, Morales-Ubaldo AL, Valladares-Carranza B, Rangel-López L, Olmedo-Juárez A, Rosenfeld-Miranda CE, Rivero-Pérez N. Antibacterial and Hemolytic Activity of Crotalus Triseriatus and Crotalus Ravus Venom. Animals (Basel) 2020; 10:E281. [PMID: 32054095 PMCID: PMC7071099 DOI: 10.3390/ani10020281] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 02/07/2020] [Accepted: 02/07/2020] [Indexed: 12/12/2022] Open
Abstract
Rattlesnakes have venoms with a complex toxin mixture comprised of polypeptides and proteins. Previous studies have shown that some of these polypeptides are of high value for the development of new medical treatments. The aim of the present study is to evaluate, in vitro, the antibacterial and hemolytic activity of Crotalus triseriatus and Crotalus ravus venoms. A direct field search was conducted to obtain Crotalus triseriatus and Crotalus ravus venom samples. These were evaluated to determine their antibacterial activity against Escherichia coli, Staphylococcus aureus and Pseudomonas aeruginosa through the techniques of Minimum Inhibitory Concentration (MIC) and Minimum Bactericidal Concentration (MBC). Hemolytic activity was also determined. Antibacterial activity was determined for treatments (Crotalus triseriatus 2) CT2 and (Crotalus ravus 3) CR3, obtaining a Minimum Inhibitory Concentration of 50 µg/mL and a Minimum Bactericidal Concentration of 100 µg/mL against Pseudomonas aeruginosa. CT1 (Crotalus triseriatus 1), CT2, and CR3 presented hemolytic activity; on the other hand, Crotalus ravus 4 (CR4) did not show hemolytic activity. The results of the present study indicate for the first time that Crotalus triseriatus and Crotalus ravus venoms contain some bioactive compounds with bactericidal activity against Pseudomonas aeruginosa which could be used as alternative treatment in diseases caused by this pathogenic bacterium.
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Affiliation(s)
- Adrian Zaragoza-Bastida
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Medicina Veterinaria y Zootecnia, Instituto de Ciencias Agropecuarias, Rancho Universitario Av. Universidad km 1, EX-Hda de Aquetzalpa, Tulancingo, Hidalgo 43600, Mexico; (A.Z.-B.); (A.L.M.-U.); (L.R.-L.)
| | - Saudy Consepcion Flores-Aguilar
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Biología, Instituto de Ciencias Básicas e Ingeniería. Carretera Pachuca-Tulancingo S/N Int. 22 Colonia Carboneras, Mineral de la Reforma, Hidalgo 42180, Mexico; (S.C.F.-A.); (L.M.A.-C.)
| | - Liliana Mireya Aguilar-Castro
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Biología, Instituto de Ciencias Básicas e Ingeniería. Carretera Pachuca-Tulancingo S/N Int. 22 Colonia Carboneras, Mineral de la Reforma, Hidalgo 42180, Mexico; (S.C.F.-A.); (L.M.A.-C.)
| | - Ana Lizet Morales-Ubaldo
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Medicina Veterinaria y Zootecnia, Instituto de Ciencias Agropecuarias, Rancho Universitario Av. Universidad km 1, EX-Hda de Aquetzalpa, Tulancingo, Hidalgo 43600, Mexico; (A.Z.-B.); (A.L.M.-U.); (L.R.-L.)
| | - Benjamín Valladares-Carranza
- Facultad de Medicina Veterinaria y Zootecnia Universidad Autónoma del Estado de México, El Cerrillo Piedras Blancas, Toluca 50295, Mexico;
| | - Lenin Rangel-López
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Medicina Veterinaria y Zootecnia, Instituto de Ciencias Agropecuarias, Rancho Universitario Av. Universidad km 1, EX-Hda de Aquetzalpa, Tulancingo, Hidalgo 43600, Mexico; (A.Z.-B.); (A.L.M.-U.); (L.R.-L.)
| | - Agustín Olmedo-Juárez
- Centro Nacional de Investigación Disciplinaria en Salud Animal e Inocuidad (CENID SAI-INIFAP), Carretera Federal Cuernavaca-Cuautla No. 8534 / Col. Progreso, Jiutepec 62550, Morelos, Mexico;
| | - Carla E. Rosenfeld-Miranda
- Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Isla Teja s/n, Casilla 567, Valdivia, Chile;
| | - Nallely Rivero-Pérez
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Medicina Veterinaria y Zootecnia, Instituto de Ciencias Agropecuarias, Rancho Universitario Av. Universidad km 1, EX-Hda de Aquetzalpa, Tulancingo, Hidalgo 43600, Mexico; (A.Z.-B.); (A.L.M.-U.); (L.R.-L.)
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15
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Antimicrobial Activity of Protein Fraction from Naja ashei Venom Against Staphylococcus epidermidis. Molecules 2020; 25:molecules25020293. [PMID: 31936872 PMCID: PMC7024148 DOI: 10.3390/molecules25020293] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 01/04/2020] [Accepted: 01/08/2020] [Indexed: 01/10/2023] Open
Abstract
One of the key problems of modern infectious disease medicine is the growing number of drug-resistant and multi-drug-resistant bacterial strains. For this reason, many studies are devoted to the search for highly active antimicrobial substances that could be used in therapy against bacterial infections. As it turns out, snake venoms are a rich source of proteins that exert a strong antibacterial effect, and therefore they have become an interesting research material. We analyzed Naja ashei venom for such antibacterial properties, and we found that a specific composition of proteins can act to eliminate individual bacterial cells, as well as the entire biofilm of Staphylococcus epidermidis. In general, we used ion exchange chromatography (IEX) to obtain 10 protein fractions with different levels of complexity, which were then tested against certified and clinical strains of S. epidermidis. One of the fractions (F2) showed exceptional antimicrobial effects both alone and in combination with antibiotics. The protein composition of the obtained fractions was determined using mass spectrometry techniques, indicating a high proportion of phospholipases A2, three-finger toxins, and L-amino acids oxidases in F2 fraction, which are most likely responsible for the unique properties of this fraction. Moreover, we were able to identify a new group of low abundant proteins containing the Ig-like domain that have not been previously described in snake venoms.
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