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Kalita B, Saviola AJ, Samuel SP, Mukherjee AK. State-of-the-art review - A review on snake venom-derived antithrombotics: Potential therapeutics for COVID-19-associated thrombosis? Int J Biol Macromol 2021; 192:1040-1057. [PMID: 34656540 PMCID: PMC8514616 DOI: 10.1016/j.ijbiomac.2021.10.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 10/03/2021] [Accepted: 10/04/2021] [Indexed: 12/30/2022]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent responsible for the Coronavirus Disease-2019 (COVID-19) pandemic, has infected over 185 million individuals across 200 countries since December 2019 resulting in 4.0 million deaths. While COVID-19 is primarily associated with respiratory illnesses, an increasing number of clinical reports indicate that severely ill patients often develop thrombotic complications that are associated with increased mortality. As a consequence, treatment strategies that target COVID-associated thrombosis are of utmost clinical importance. An array of pharmacologically active compounds from natural products exhibit effects on blood coagulation pathways, and have generated interest for their potential therapeutic applications towards thrombotic diseases. In particular, a number of snake venom compounds exhibit high specificity on different blood coagulation factors and represent excellent tools that could be utilized to treat thrombosis. The aim of this review is to provide a brief summary of the current understanding of COVID-19 associated thrombosis, and highlight several snake venom compounds that could be utilized as antithrombotic agents to target this disease.
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Affiliation(s)
- Bhargab Kalita
- Department of Molecular Biology and Biotechnology, Tezpur University, Tezpur 784028, Assam, India; National Centre for Cell Science, Pune 411007, Maharashtra, India
| | - Anthony J Saviola
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Stephen P Samuel
- Queen Elizabeth Hospital King's Lynn NHS Foundation Trust, King's Lynn, Norfolk PE30 4ET, UK
| | - Ashis K Mukherjee
- Department of Molecular Biology and Biotechnology, Tezpur University, Tezpur 784028, Assam, India; Institute of Advanced Study in Science and Technology, Guwahati 781035, Assam, India.
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Bolt HM. New aspects in snake venom toxicology. Arch Toxicol 2021; 95:1865-1866. [PMID: 33956164 PMCID: PMC8166695 DOI: 10.1007/s00204-021-03066-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 04/28/2021] [Indexed: 12/03/2022]
Affiliation(s)
- Hermann M Bolt
- Leibniz Research Centre for Working Environment and Human Factors (IfADo), Ardeystr. 67, 44139, Dortmund, Germany.
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Choudhury M, Suvilesh KN, Vishwanath BS, Velmurugan D. EC-PIII, a novel non-hemorrhagic procoagulant metalloproteinase: Purification and characterization from Indian Echis carinatus venom. Int J Biol Macromol 2017; 106:193-199. [PMID: 28782616 DOI: 10.1016/j.ijbiomac.2017.08.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 07/29/2017] [Accepted: 08/01/2017] [Indexed: 10/19/2022]
Abstract
Procoagulant snake venom toxins find extensive use as reagents in laboratory tests and diagnostic kits. In the present study we report a novel P-III class procoagulant SVMP, EC-PIII from Echis carinatus venom. EC-PIII was purified using a combination of gel-filtration and anion-exchange chromatography. It has a molecular mass of 110kDa and is a dimeric protein as determined by SDS-PAGE. DLS results show that the protein is homogenous and stable in solution. Peptide mass fingerprinting revealed that the peptides obtained show high homology to the other members of SVMP family. The enzymatic studies revealed that EC-PIII shows protease activity and is inhibited by metalloproteinase inhibitors such as EDTA. EC-PIII exhibits procoagulant effect under in-vitro conditions. Local toxicity studies revealed that EC-PIII is devoid of hemorrhagic as well as myotoxic activities. This is the first report of a non-hemorrhagic SVMP to be identified from Indian Echis carinatus venom. EC-PIII can find potential use in diagnostic and other therapeutic uses owing to its biochemical and pharmacological properties.
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Affiliation(s)
- Manisha Choudhury
- CAS in Crystallography and Biophysics, University of Madras, Guindy Campus, Chennai, Tamil Nadu, India
| | - Kanve Nagaraj Suvilesh
- Department of Studies in Biochemistry, University of Mysore, Manasagangotri, Mysore, Karnataka, India
| | | | - Devadasan Velmurugan
- CAS in Crystallography and Biophysics, University of Madras, Guindy Campus, Chennai, Tamil Nadu, India.
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Suntravat M, Uzcategui NL, Atphaisit C, Helmke TJ, Lucena SE, Sánchez EE, Acosta AR. Gene expression profiling of the venom gland from the Venezuelan mapanare (Bothrops colombiensis) using expressed sequence tags (ESTs). BMC Mol Biol 2016; 17:7. [PMID: 26944950 PMCID: PMC4779267 DOI: 10.1186/s12867-016-0059-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Accepted: 02/23/2016] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Bothrops colombiensis is a highly dangerous pit viper and responsible for over 70% of snakebites in Venezuela. Although the composition in B. colombiensis venom has been identified using a proteome analysis, the venom gland transcriptome is currently lacking. RESULTS We constructed a cDNA library from the venom gland of B. colombiensis, and a set of 729 high quality expressed sequence tags (ESTs) was identified. A total number of 344 ESTs (47.2% of total ESTs) was related to toxins. The most abundant toxin transcripts were metalloproteinases (37.5%), phospholipases A2s (PLA2, 29.7%), and serine proteinases (11.9%). Minor toxin transcripts were linked to waprins (5.5%), C-type lectins (4.1%), ATPases (2.9%), cysteine-rich secretory proteins (CRISP, 2.3%), snake venom vascular endothelium growth factors (svVEGF, 2.3%), L-amino acid oxidases (2%), and other putative toxins (1.7%). While 160 ESTs (22% of total ESTs) coded for translation proteins, regulatory proteins, ribosomal proteins, elongation factors, release factors, metabolic proteins, and immune response proteins. Other proteins detected in the transcriptome (87 ESTs, 11.9% of total ESTs) were undescribed proteins with unknown functions. The remaining 138 (18.9%) cDNAs had no match with known GenBank accessions. CONCLUSION This study represents the analysis of transcript expressions and provides a physical resource of unique genes for further study of gene function and the development of novel molecules for medical applications.
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Affiliation(s)
- Montamas Suntravat
- National Natural Toxins Research Center, Department of Chemistry, Texas A and M University-Kingsville, Kingsville, USA.
| | - Néstor L Uzcategui
- Laboratorio de Inmunoquímica y Ultraestructura, Instituto Anatómico de la Universidad Central de Venezuela, Caracas, Venezuela.
| | - Chairat Atphaisit
- National Natural Toxins Research Center, Department of Chemistry, Texas A and M University-Kingsville, Kingsville, USA.
| | - Thomas J Helmke
- National Natural Toxins Research Center, Department of Chemistry, Texas A and M University-Kingsville, Kingsville, USA.
| | - Sara E Lucena
- National Natural Toxins Research Center, Department of Chemistry, Texas A and M University-Kingsville, Kingsville, USA.
| | - Elda E Sánchez
- National Natural Toxins Research Center, Department of Chemistry, Texas A and M University-Kingsville, Kingsville, USA.
| | - Alexis Rodríguez Acosta
- Laboratorio de Inmunoquímica y Ultraestructura, Instituto Anatómico de la Universidad Central de Venezuela, Caracas, Venezuela.
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Optimization of production parameters for preparation of natto-pigeon pea with immobilized Bacillus natto and sensory evaluations of the product. INNOV FOOD SCI EMERG 2015. [DOI: 10.1016/j.ifset.2015.08.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Engineering of Harobin for enhanced fibrinolytic activity obtained by random and site-directed mutagenesis. Protein Expr Purif 2015; 129:162-172. [PMID: 26363113 DOI: 10.1016/j.pep.2015.09.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Revised: 09/06/2015] [Accepted: 09/08/2015] [Indexed: 11/21/2022]
Abstract
We have previously published a report on the cloning and characterization of Harobin, a fibrinolytic serine protease. However, the broad application of this fibrinolytic enzyme is limited by its low expression level that was achieved in Pichia pastoris. To counteract this shortcoming, random and site-directed mutagenesis have been combined in order to improve functional expression and activity of Harobin. By screening 400 clones from random mutant libraries for enhanced fibrinolytic activity, two mutants were obtained: N111R, R230G. By performing site-directed mutagenesis, a Harobin double mutant, N111R/R230G, was constructed and can be functionally expressed at higher level than the wild type enzyme. In addition, it possessed much higher fibrinolytic and amidolytic activity than the wild type enzyme and other single mutants. The N111R/R230G expressed in basal salts medium was purified by a three step purification procedure. At pH of 6.0-9.0, and the temperature range of 40-90 °C, N111R/R230G was more active and more heat resistant. The fibrinolytic activities of Harobin mutants were completely inhibited by PMSF and SBTI, but not by EDTA, EGTA, DTT, indicating that Harobin is a serine protease. N111R/R230G showed much better anti-thrombosis effect than wild type Harobin and single mutants, and could significantly increase bleeding and clotting time. Intravenous injection of N111R/R230G in spontaneous hypertensive rats (SHR) led to a significant reduction in systolic blood pressure (SBP), diastolic blood pressure (DBP) and mean arterial pressure (MAP) (p < 0.01), while heart rate (HR) was not affected. The in vitro and in vivo results of the present study revealed that Harobin double mutant N111R/R230G is an appropriate candidate for biotechnological applications due to its high expression level and high activity in area of thrombosis and hypertension.
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Sartim MA, Costa TR, Laure HJ, Espíndola MS, Frantz FG, Sorgi CA, Cintra ACO, Arantes EC, Faccioli LH, Rosa JC, Sampaio SV. Moojenactivase, a novel pro-coagulant PIIId metalloprotease isolated from Bothrops moojeni snake venom, activates coagulation factors II and X and induces tissue factor up-regulation in leukocytes. Arch Toxicol 2015; 90:1261-78. [PMID: 26026608 DOI: 10.1007/s00204-015-1533-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Accepted: 05/12/2015] [Indexed: 11/28/2022]
Abstract
Coagulopathies following snakebite are triggered by pro-coagulant venom toxins, in which metalloproteases play a major role in envenomation-induced coagulation disorders by acting on coagulation cascade, platelet function and fibrinolysis. Considering this relevance, here we describe the isolation and biochemical characterization of moojenactivase (MooA), a metalloprotease from Bothrops moojeni snake venom, and investigate its involvement in hemostasis in vitro. MooA is a glycoprotein of 85,746.22 Da, member of the PIIId group of snake venom metalloproteases, composed of three linked disulfide-bonded chains: an N-glycosylated heavy chain, and two light chains. The venom protease induced human plasma clotting in vitro by activating on both blood coagulation factors II (prothrombin) and X, which in turn generated α-thrombin and factor Xa, respectively. Additionally, MooA induced expression of tissue factor (TF) on the membrane surface of peripheral blood mononuclear cells (PBMC), which led these cells to adopt pro-coagulant characteristics. MooA was also shown to be involved with production of the inflammatory mediators TNF-α, IL-8 and MCP-1, suggesting an association between MooA pro-inflammatory stimulation of PBMC and TF up-regulation. We also observed aggregation of washed platelets when in presence of MooA; however, the protease had no effect on fibrinolysis. Our findings show that MooA is a novel hemostatically active metalloprotease, which may lead to the development of coagulopathies during B. moojeni envenomation. Moreover, the metalloprotease may contribute to the development of new diagnostic tools and pharmacological approaches applied to hemostatic disorders.
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Affiliation(s)
- Marco A Sartim
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, 14040-903, Brazil
| | - Tassia R Costa
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, 14040-903, Brazil
| | - Helen J Laure
- Departamento de Biologia Celular e Molecular e Bioagentes Patogênicos e Centro de Química de Proteínas, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, 14040-903, Brazil
| | - Milena S Espíndola
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, 14040-903, Brazil
| | - Fabiani G Frantz
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, 14040-903, Brazil
| | - Carlos A Sorgi
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, 14040-903, Brazil
| | - Adélia C O Cintra
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, 14040-903, Brazil
| | - Eliane C Arantes
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, 14040-903, Brazil
| | - Lucia H Faccioli
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, 14040-903, Brazil
| | - José C Rosa
- Departamento de Biologia Celular e Molecular e Bioagentes Patogênicos e Centro de Química de Proteínas, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, 14040-903, Brazil
| | - Suely V Sampaio
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, 14040-903, Brazil.
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Trevisan-Silva D, Bednaski AV, Gremski LH, Chaim OM, Veiga SS, Senff-Ribeiro A. Differential metalloprotease content and activity of three Loxosceles spider venoms revealed using two-dimensional electrophoresis approaches. Toxicon 2013; 76:11-22. [DOI: 10.1016/j.toxicon.2013.08.065] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2013] [Revised: 08/02/2013] [Accepted: 08/29/2013] [Indexed: 02/04/2023]
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Aird SD, Watanabe Y, Villar-Briones A, Roy MC, Terada K, Mikheyev AS. Quantitative high-throughput profiling of snake venom gland transcriptomes and proteomes (Ovophis okinavensis and Protobothrops flavoviridis). BMC Genomics 2013; 14:790. [PMID: 24224955 PMCID: PMC3840601 DOI: 10.1186/1471-2164-14-790] [Citation(s) in RCA: 117] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2013] [Accepted: 10/26/2013] [Indexed: 01/20/2023] Open
Abstract
Background Advances in DNA sequencing and proteomics have facilitated quantitative comparisons of snake venom composition. Most studies have employed one approach or the other. Here, both Illumina cDNA sequencing and LC/MS were used to compare the transcriptomes and proteomes of two pit vipers, Protobothrops flavoviridis and Ovophis okinavensis, which differ greatly in their biology. Results Sequencing of venom gland cDNA produced 104,830 transcripts. The Protobothrops transcriptome contained transcripts for 103 venom-related proteins, while the Ovophis transcriptome contained 95. In both, transcript abundances spanned six orders of magnitude. Mass spectrometry identified peptides from 100% of transcripts that occurred at higher than contaminant (e.g. human keratin) levels, including a number of proteins never before sequenced from snakes. These transcriptomes reveal fundamentally different envenomation strategies. Adult Protobothrops venom promotes hemorrhage, hypotension, incoagulable blood, and prey digestion, consistent with mammalian predation. Ovophis venom composition is less readily interpreted, owing to insufficient pharmacological data for venom serine and metalloproteases, which comprise more than 97.3% of Ovophis transcripts, but only 38.0% of Protobothrops transcripts. Ovophis venom apparently represents a hybrid strategy optimized for frogs and small mammals. Conclusions This study illustrates the power of cDNA sequencing combined with MS profiling. The former quantifies transcript composition, allowing detection of novel proteins, but cannot indicate which proteins are actually secreted, as does MS. We show, for the first time, that transcript and peptide abundances are correlated. This means that MS can be used for quantitative, non-invasive venom profiling, which will be beneficial for studies of endangered species.
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Affiliation(s)
- Steven D Aird
- Okinawa Institute of Science and Technology, Tancha 1919-1, Onna-son, Kunigami-gun, Okinawa-ken 904-0412, Japan.
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Girón ME, Guerrero B, Salazar AM, Sánchez EE, Alvarez M, Rodríguez-Acosta A. Functional characterization of fibrinolytic metalloproteinases (colombienases) isolated from Bothrops colombiensis venom. Toxicon 2013; 74:116-26. [PMID: 23958522 DOI: 10.1016/j.toxicon.2013.07.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2013] [Revised: 05/28/2013] [Accepted: 07/30/2013] [Indexed: 11/16/2022]
Abstract
UNLABELLED Researchers trying to improve the safety and efficacy of fibrinolytic therapy have been isolating fibrinolytic enzymes from snake venoms. Two fibrinolytic enzymes, colombienases 1 and 2, with significant activity have been isolated from the venom of Bothrops colombiensis. METHODS The colombienases were characterized for various biological activities which include hemorrhagic, fibrinogenolytic, proteolytic, hemolytic, edematogenic and cytotoxic. RESULTS Colombienases directly acted on fibrin by degrading fibrinogen Aα and Bβ chains without activating the fibrinolytic system (plasminogen/plasmin), additionally colombienase-2 degraded fibrinogen γ chains as well as the fibronectin molecule. Laminin and type IV collagen were colombienases resistant. Gelatin-zymogram activity was present in B. colombiensis venom (BcV) bands between 64 and 148 kDa. All activities were abolished by metalloproteinases inhibitors. Both enzymes lacked hemorrhagic, hemolytic, cytotoxic, plasminogen activator and coagulant activities. CONCLUSIONS Both colombienases had direct fibrino(geno)lytic activity without other toxic side effects including in vivo hemorrhaging, which could be promising in terms of therapeutic potential as thrombolytic agents.
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Affiliation(s)
- María E Girón
- Laboratorio de Inmunoquímica y Ultraestructura, Instituto Anatómico de la Universidad Central de Venezuela, Caracas, Venezuela
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