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David V, Wermelinger LS, Frattani FS, Lima AGF, Santos YFS, Mourão PADS, Almeida FCL, Kurtenbach E, Zingali RB. rJararacin, a recombinant disintegrin from Bothrops jararaca venom: Exploring its effects on hemostasis and thrombosis. Arch Biochem Biophys 2023; 738:109557. [PMID: 36878339 DOI: 10.1016/j.abb.2023.109557] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/24/2023] [Accepted: 03/02/2023] [Indexed: 03/07/2023]
Abstract
Integrins are a family of heterodimeric transmembrane receptors which link the extracellular matrix to the cell cytoskeleton. These receptors play a role in many cellular processes: adhesion, proliferation, migration, apoptosis, and platelet aggregation, thus modulating a wide range of scenarios in health and disease. Therefore, integrins have been the target of new antithrombotic drugs. Disintegrins from snake venoms are recognized by the ability to modulate the activity of integrins, such as integrin αIIbβ3, a fundamental platelet glycoprotein, and αvβ3 expressed on tumor cells. For this reason, disintegrins are unique and potential tools for examining integrin-matrix interaction and the development of novel antithrombotic agents. The present study aims to obtain the recombinant form of jararacin and evaluate the secondary structure and its effects on hemostasis and thrombosis. rJararacin was expressed in the Pichia pastoris (P. pastoris) expression system and purified the recombinant protein with a yield of 40 mg/L of culture. The molecular mass (7722 Da) and internal sequence were confirmed by mass spectrometry. Structure and folding analysis were obtained by Circular Dichroism and 1H Nuclear Magnetic Resonance spectra. Disintegrin structure reveals properly folded with the presence of β-sheet structure. rJararacin significantly demonstrated inhibition of the adhesion of B16F10 cells and platelets to the fibronectin matrix under static conditions. rJararacin inhibited platelet aggregation induced by ADP (IC50 95 nM), collagen (IC50 57 nM), and thrombin (IC50 22 nM) in a dose-dependent manner. This disintegrin also inhibited 81% and 94% of the adhesion of platelets to fibrinogen and collagen under continuous flow, respectively. In addition, rjararacin efficaciously prevents platelet aggregation in vitro and ex vivo with rat platelets and thrombus occlusion at an effective dose (5 mg/kg). The data here provides evidence that rjararacin possesses the potential as an αIIbβ3 antagonist, capable of preventing arterial thrombosis.
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Affiliation(s)
- Victor David
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, CEP 21941-902, Brazil.
| | - Luciana Serrão Wermelinger
- Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, CEP 21941-170, Brazil.
| | - Flávia Serra Frattani
- Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, CEP 21941-170, Brazil.
| | - Antonio Gilclêr Ferreira Lima
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, CEP 21941-902, Brazil.
| | - Yasmyn Fernandes Silva Santos
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, CEP 21941-902, Brazil.
| | - Paulo Antônio de Souza Mourão
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, CEP 21941-902, Brazil.
| | - Fabio Ceneviva Lacerda Almeida
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, CEP 21941-902, Brazil.
| | - Eleonora Kurtenbach
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, CEP 21941-170, Brazil.
| | - Russolina Benedeta Zingali
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, CEP 21941-902, Brazil.
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Olaoba OT, Karina dos Santos P, Selistre-de-Araujo HS, Ferreira de Souza DH. Snake Venom Metalloproteinases (SVMPs): A structure-function update. Toxicon X 2020; 7:100052. [PMID: 32776002 PMCID: PMC7399193 DOI: 10.1016/j.toxcx.2020.100052] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Snake venom metalloproteinases (SVMPs) represent a diverse group of multi-domain proteins with several biological activities such as the ability to induce hemorrhage, proteolytic degradation of fibrinogen and fibrin, induction of apoptosis and inhibition of platelet aggregation. Due to these activities, SVMPs are responsible for many of the well-known pathological phenotypes in snake envenomations caused particularly by species from the Viperidae family and the Crotalinae subfamily. These proteins have been classified based on their size and domain structure into P–I, P-II and P-III classes. Comparatively, members of the P–I SVMPs possess the simplest structures, formed by the catalytic metalloproteinase domain only; the P-II SVMPs are moderately more complex, having the canonical disintegrin domain in addition to the metalloproteinase domain; members of the P-III class are more structurally varied, comprising the metalloproteinase, disintegrin-like, and cysteine-rich domains. Proteolytic cleavage, repeated domain loss and presence of other ancillary domains are responsible for structural diversities in the P-III class. However, studies continue to unveil the relationship between the structure and function of these proteins. In this review, we recovered evidences from literature on the structural peculiarities and functional classification of Snake Venom Metalloproteinases. In addition, we reflect on diversities that exist among each class while taking into account specific and up-to-date class-based activities.
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Affiliation(s)
- Olamide Tosin Olaoba
- Departamento de Química, Universidade Federal de São Carlos, Rodovia Washington Luís, Km 235, São Carlos, São Paulo, Brazil
| | - Patty Karina dos Santos
- Departamento de Ciências Fisiológicas, Universidade Federal de São Carlos, Rodovia Washington Luís, Km 235, São Carlos, São Paulo, Brazil
| | | | - Dulce Helena Ferreira de Souza
- Departamento de Química, Universidade Federal de São Carlos, Rodovia Washington Luís, Km 235, São Carlos, São Paulo, Brazil
- Corresponding author.
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Disintegrins extracted from totonacan rattlesnake (Crotalus totonacus) venom and their anti-adhesive and anti-migration effects on MDA-MB-231 and HMEC-1 cells. Toxicol In Vitro 2020; 65:104809. [DOI: 10.1016/j.tiv.2020.104809] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 02/14/2020] [Accepted: 02/18/2020] [Indexed: 01/16/2023]
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Cesar PHS, Braga MA, Trento MVC, Menaldo DL, Marcussi S. Snake Venom Disintegrins: An Overview of their Interaction with Integrins. Curr Drug Targets 2019; 20:465-477. [DOI: 10.2174/1389450119666181022154737] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 10/16/2018] [Accepted: 10/17/2018] [Indexed: 12/12/2022]
Abstract
Disintegrins are non-enzymatic proteins that interfere on cell–cell interactions and signal transduction, contributing to the toxicity of snake venoms and play an essential role in envenomations. Most of their pharmacological and toxic effects are the result of the interaction of these molecules with cell surface ligands, which has been widely described and studied. These proteins may act on platelets, leading to hemorrhage, and may also induce apoptosis and cytotoxicity, which highlights a high pharmacological potential for the development of thrombolytic and antitumor agents. Additionally, these molecules interfere with the functions of integrins by altering various cellular processes such as migration, adhesion and proliferation. This review gathers information on functional characteristics of disintegrins isolated from snake venoms, emphasizing a comprehensive view of the possibility of direct use of these molecules in the development of new drugs, or even indirectly as structural models.
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Affiliation(s)
- Pedro Henrique Souza Cesar
- Department of Chemistry, Biochemistry Laboratory, Federal University of Lavras (UFLA), Lavras, Minas Gerais, 37200-000, Brazil
| | - Mariana Aparecida Braga
- Department of Chemistry, Biochemistry Laboratory, Federal University of Lavras (UFLA), Lavras, Minas Gerais, 37200-000, Brazil
| | - Marcus Vinicius Cardoso Trento
- Department of Chemistry, Biochemistry Laboratory, Federal University of Lavras (UFLA), Lavras, Minas Gerais, 37200-000, Brazil
| | - Danilo Luccas Menaldo
- Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of Sao Paulo (FCFRP-USP), Ribeirão Preto-SP, Brazil
| | - Silvana Marcussi
- Department of Chemistry, Biochemistry Laboratory, Federal University of Lavras (UFLA), Lavras, Minas Gerais, 37200-000, Brazil
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David V, Succar BB, de Moraes JA, Saldanha-Gama RFG, Barja-Fidalgo C, Zingali RB. Recombinant and Chimeric Disintegrins in Preclinical Research. Toxins (Basel) 2018; 10:E321. [PMID: 30087285 PMCID: PMC6116119 DOI: 10.3390/toxins10080321] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 07/23/2018] [Accepted: 07/27/2018] [Indexed: 01/31/2023] Open
Abstract
Disintegrins are a family of small cysteine-rich peptides, found in a wide variety of snake venoms of different phylogenetic origin. These peptides selectively bind to integrins, which are heterodimeric adhesion receptors that play a fundamental role in the regulation of many physiological and pathological processes, such as hemostasis and tumor metastasis. Most disintegrins interact with integrins through the RGD (Arg-Gly-Asp) sequence loop, resulting in an active site that modulates the integrin activity. Some variations in the tripeptide sequence and the variability in its neighborhood result in a different specificity or affinity toward integrin receptors from platelets, tumor cells or neutrophils. Recombinant forms of these proteins are obtained mainly through Escherichia coli, which is the most common host used for heterologous expression. Advances in the study of the structure-activity relationship and importance of some regions of the molecule, especially the hairpin loop and the C-terminus, rely on approaches such as site-directed mutagenesis and the design and expression of chimeric peptides. This review provides highlights of the biological relevance and contribution of recombinant disintegrins to the understanding of their binding specificity, biological activities and therapeutic potential. The biological and pharmacological relevance on the newest discoveries about this family of integrin-binding proteins are discussed.
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Affiliation(s)
- Victor David
- Laboratório de Hemostase e Venenos, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21.941-902, Brazil.
| | - Barbara Barbosa Succar
- Laboratório de Hemostase e Venenos, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21.941-902, Brazil.
| | - João Alfredo de Moraes
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21.941-902, Brazil.
| | - Roberta Ferreira Gomes Saldanha-Gama
- Laboratório de Farmacologia Celular e Molecular, Departamento de Biologia Celular, IBRAG, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20.551-030, Brazil.
| | - Christina Barja-Fidalgo
- Laboratório de Farmacologia Celular e Molecular, Departamento de Biologia Celular, IBRAG, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20.551-030, Brazil.
| | - Russolina Benedeta Zingali
- Laboratório de Hemostase e Venenos, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21.941-902, Brazil.
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Toxin Fused with SUMO Tag: A New Expression Vector Strategy to Obtain Recombinant Venom Toxins with Easy Tag Removal inside the Bacteria. Toxins (Basel) 2017; 9:toxins9030082. [PMID: 28264436 PMCID: PMC5371837 DOI: 10.3390/toxins9030082] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Revised: 02/16/2017] [Accepted: 02/22/2017] [Indexed: 01/19/2023] Open
Abstract
Many animal toxins may target the same molecules that need to be controlled in certain pathologies; therefore, some toxins have led to the formulation of drugs that are presently used, and many other drugs are still under development. Nevertheless, collecting sufficient toxins from the original source might be a limiting factor in studying their biological activities. Thus, molecular biology techniques have been applied in order to obtain large amounts of recombinant toxins into Escherichia coli. However, most animal toxins are difficult to express in this system, which results in insoluble, misfolded, or unstable proteins. To solve these issues, toxins have been fused with tags that may improve protein expression, solubility, and stability. Among these tags, the SUMO (small ubiquitin-related modifier) has been shown to be very efficient and can be removed by the Ulp1 protease. However, removing SUMO is a labor- and time-consuming process. To enhance this system, here we show the construction of a bicistronic vector that allows the expression of any protein fused to both the SUMO and Ulp1 protease. In this way, after expression, Ulp1 is able to cleave SUMO and leave the protein interest-free and ready for purification. This strategy was validated through the expression of a new phospholipase D from the spider Loxosceles gaucho and a disintegrin from the Bothrops insularis snake. Both recombinant toxins showed good yield and preserved biological activities, indicating that the bicistronic vector may be a viable method to produce proteins that are difficult to express.
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Agkihpin, a novel SVTLE from Gloydius halys Pallas, promotes platelet aggregation in vitro and inhibits thrombus formation in vivo in murine models of thrombosis. Toxicon 2016; 122:78-88. [DOI: 10.1016/j.toxicon.2016.09.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Revised: 09/18/2016] [Accepted: 09/21/2016] [Indexed: 12/17/2022]
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