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Freuville L, Matthys C, Quinton L, Gillet JP. Venom-derived peptides for breaking through the glass ceiling of drug development. Front Chem 2024; 12:1465459. [PMID: 39398192 PMCID: PMC11468230 DOI: 10.3389/fchem.2024.1465459] [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: 07/16/2024] [Accepted: 09/04/2024] [Indexed: 10/15/2024] Open
Abstract
Venoms are complex mixtures produced by animals and consist of hundreds of components including small molecules, peptides, and enzymes selected for effectiveness and efficacy over millions of years of evolution. With the development of venomics, which combines genomics, transcriptomics, and proteomics to study animal venoms and their effects deeply, researchers have identified molecules that selectively and effectively act against membrane targets, such as ion channels and G protein-coupled receptors. Due to their remarkable physico-chemical properties, these molecules represent a credible source of new lead compounds. Today, not less than 11 approved venom-derived drugs are on the market. In this review, we aimed to highlight the advances in the use of venom peptides in the treatment of diseases such as neurological disorders, cardiovascular diseases, or cancer. We report on the origin and activity of the peptides already approved and provide a comprehensive overview of those still in development.
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Affiliation(s)
- Lou Freuville
- Laboratory of Mass Spectrometry, MolSys Research Unit, University of Liège, Liège, Belgium
| | - Chloé Matthys
- Laboratory of Molecular Cancer Biology, URPhyM, NARILIS, University of Namur, Namur, Belgium
| | - Loïc Quinton
- Laboratory of Mass Spectrometry, MolSys Research Unit, University of Liège, Liège, Belgium
| | - Jean-Pierre Gillet
- Laboratory of Molecular Cancer Biology, URPhyM, NARILIS, University of Namur, Namur, Belgium
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2
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Guo X, Fu Y, Peng J, Fu Y, Dong S, Ding RB, Qi X, Bao J. Emerging anticancer potential and mechanisms of snake venom toxins: A review. Int J Biol Macromol 2024; 269:131990. [PMID: 38704067 DOI: 10.1016/j.ijbiomac.2024.131990] [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: 11/27/2023] [Revised: 03/13/2024] [Accepted: 04/28/2024] [Indexed: 05/06/2024]
Abstract
Animal-derived venom, like snake venom, has been proven to be valuable natural resources for the drug development. Previously, snake venom was mainly investigated in its pharmacological activities in regulating coagulation, vasodilation, and cardiovascular function, and several marketed cardiovascular drugs were successfully developed from snake venom. In recent years, snake venom fractions have been demonstrated with anticancer properties of inducing apoptotic and autophagic cell death, restraining proliferation, suppressing angiogenesis, inhibiting cell adhesion and migration, improving immunity, and so on. A number of active anticancer enzymes and peptides have been identified from snake venom toxins, such as L-amino acid oxidases (LAAOs), phospholipase A2 (PLA2), metalloproteinases (MPs), three-finger toxins (3FTxs), serine proteinases (SPs), disintegrins, C-type lectin-like proteins (CTLPs), cell-penetrating peptides, cysteine-rich secretory proteins (CRISPs). In this review, we focus on summarizing these snake venom-derived anticancer components on their anticancer activities and underlying mechanisms. We will also discuss their potential to be developed as anticancer drugs in the future.
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Affiliation(s)
- Xijun Guo
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Collaborative Innovation Center of One Health, Hainan University, Haikou 570228, China
| | - Yuanfeng Fu
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Collaborative Innovation Center of One Health, Hainan University, Haikou 570228, China
| | - Junbo Peng
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Collaborative Innovation Center of One Health, Hainan University, Haikou 570228, China
| | - Ying Fu
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Collaborative Innovation Center of One Health, Hainan University, Haikou 570228, China
| | - Shuai Dong
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Collaborative Innovation Center of One Health, Hainan University, Haikou 570228, China
| | - Ren-Bo Ding
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Collaborative Innovation Center of One Health, Hainan University, Haikou 570228, China; State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao 999078, China
| | - Xingzhu Qi
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Collaborative Innovation Center of One Health, Hainan University, Haikou 570228, China.
| | - Jiaolin Bao
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Collaborative Innovation Center of One Health, Hainan University, Haikou 570228, China; State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao 999078, China.
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Lan Y, Qiu X, Xu Y. Expression, Purification and Characterization of Recombinant Disintegrin from Gloydius Brevicaudus Venom in Escherichia Coli. Protein J 2024; 43:603-612. [PMID: 38734856 DOI: 10.1007/s10930-024-10198-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/07/2024] [Indexed: 05/13/2024]
Abstract
Disintegrins, a family of snake venom protein, which are capable of modulating the activity of integrins that play a fundamental role in the regulation of many physiological and pathological processes. The main purpose of this study is to obtain the recombinant disintegrin (r-DI) and evaluate its biological activity. In this study, we explored a high-level expression prokaryotic system and purification strategy for r-DI. Then, r-DI was treated to assay effects on cell growth, migration, and invasion. The affinity for the interactions of r-DI with integrin was determined using Surface plasmon resonance (SPR) analyses. The r-DI can be expressed in Escherichia coli and purified by one-step chromatography. The r-DI can inhibit B16F10 cells proliferation, migration, and invasion. Also, we found that r-DI could interact with the integrin αIIbβ3 (GPIIb/IIIa). The r-DI can be expressed, purified, characterized through functional assays, and can also maintain strong biological activities. Thus, this study showed potential therapeutic effects of r-DI for further functional and structural studies.
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Affiliation(s)
- Yinxiang Lan
- Department of Pharmacy, Fujian Children's Hospital (Fujian Branch of Shanghai Children's Medical Center), College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, FuJian Medical University, Fuzhou, Fujian, China
| | - Xiuliang Qiu
- Department of Pharmacy, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, Fujian, China
| | - Yunlu Xu
- The School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China.
- Center of Translational Hematology of Fujian Medical University, Fuzhou, Fujian, China.
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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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Bialves TS, Bastos Junior CLQ, Cordeiro MF, Boyle RT. Snake venom, a potential treatment for melanoma. A systematic review. Int J Biol Macromol 2023; 231:123367. [PMID: 36690229 DOI: 10.1016/j.ijbiomac.2023.123367] [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: 10/11/2022] [Revised: 01/16/2023] [Accepted: 01/17/2023] [Indexed: 01/22/2023]
Abstract
Despite advances in treating patients with melanoma, there are still many treatment challenges to overcome. Studies with snake venom-derived proteins/peptides describe their binding potential, and inhibition of some proliferative mechanisms in melanoma. The combined use of these compounds with current therapies could be the strategic gap that will help us discover more effective treatments for melanoma. The present study aimed to carry out a systematic review identifying snake venom proteins and peptides described in the literature with antitumor, antimetastatic, or antiangiogenic effects on melanoma and determine the mechanisms of action that lead to these anti-tumor effects. Snake venoms contain proteins and peptides which are antiaggregant, antimetastatic, and antiangiogenic. The in vivo results are encouraging, considering the reduction of metastases and tumor size after treatment. In addition to these results, it was reported that these venom compounds could act in combination with chemotherapeutics (Acurhagin-C; Macrovipecetin), sensitizing and preparing tumor cells for treatment. There is a consensus that snake venom is a promising strategy for the improvement of antimelanoma therapies, but it has been little explored in the current context, combined with inhibitors, immunotherapy or tumor microenvironment, for example. We suggest Lebein as a candidate for combination therapy with BRAF inhibitors.
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Affiliation(s)
- Tatiane Senna Bialves
- Programa de Pós-Graduação em Ciências Fisiológicas (PPGCF), Universidade Federal do Rio Grande - FURG, Av. Itália, s/n - km 8 - Carreiros, Rio Grande, Rio Grande do Sul, Brazil.
| | - Claudio L Q Bastos Junior
- Programa de Pós-Graduação em Ciências Fisiológicas (PPGCF), Universidade Federal do Rio Grande - FURG, Av. Itália, s/n - km 8 - Carreiros, Rio Grande, Rio Grande do Sul, Brazil
| | - Marcos Freitas Cordeiro
- Programa de Pós-Graduação em Biociências e Saúde (PPGBS), Universidade do Oeste de Santa Catarina - UNOESC, Rua Roberto Trompovski 224, Joaçaba, Santa Catarina, CEP 89600-000, Brazil.
| | - Robert Tew Boyle
- Programa de Pós-Graduação em Ciências Fisiológicas (PPGCF), Universidade Federal do Rio Grande - FURG, Av. Itália, s/n - km 8 - Carreiros, Rio Grande, Rio Grande do Sul, Brazil; Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande, Rio Grande do Sul 96203-900, Brazil
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Oliveira AL, Viegas MF, da Silva SL, Soares AM, Ramos MJ, Fernandes PA. The chemistry of snake venom and its medicinal potential. Nat Rev Chem 2022; 6:451-469. [PMID: 35702592 PMCID: PMC9185726 DOI: 10.1038/s41570-022-00393-7] [Citation(s) in RCA: 81] [Impact Index Per Article: 40.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2022] [Indexed: 12/15/2022]
Abstract
The fascination and fear of snakes dates back to time immemorial, with the first scientific treatise on snakebite envenoming, the Brooklyn Medical Papyrus, dating from ancient Egypt. Owing to their lethality, snakes have often been associated with images of perfidy, treachery and death. However, snakes did not always have such negative connotations. The curative capacity of venom has been known since antiquity, also making the snake a symbol of pharmacy and medicine. Today, there is renewed interest in pursuing snake-venom-based therapies. This Review focuses on the chemistry of snake venom and the potential for venom to be exploited for medicinal purposes in the development of drugs. The mixture of toxins that constitute snake venom is examined, focusing on the molecular structure, chemical reactivity and target recognition of the most bioactive toxins, from which bioactive drugs might be developed. The design and working mechanisms of snake-venom-derived drugs are illustrated, and the strategies by which toxins are transformed into therapeutics are analysed. Finally, the challenges in realizing the immense curative potential of snake venom are discussed, and chemical strategies by which a plethora of new drugs could be derived from snake venom are proposed.
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Affiliation(s)
- Ana L. Oliveira
- Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto, Portugal
- LAQV/Requimte, University of Porto, Porto, Portugal
| | - Matilde F. Viegas
- Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto, Portugal
- LAQV/Requimte, University of Porto, Porto, Portugal
| | - Saulo L. da Silva
- Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto, Portugal
- LAQV/Requimte, University of Porto, Porto, Portugal
| | - Andreimar M. Soares
- Biotechnology Laboratory for Proteins and Bioactive Compounds from the Western Amazon, Oswaldo Cruz Foundation, National Institute of Epidemiology in the Western Amazon (INCT-EpiAmO), Porto Velho, Brazil
- Sao Lucas Universitary Center (UniSL), Porto Velho, Brazil
| | - Maria J. Ramos
- Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto, Portugal
- LAQV/Requimte, University of Porto, Porto, Portugal
| | - Pedro A. Fernandes
- Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto, Portugal
- LAQV/Requimte, University of Porto, Porto, Portugal
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Biological Effects of Animal Venoms on the Human Immune System. Toxins (Basel) 2022; 14:toxins14050344. [PMID: 35622591 PMCID: PMC9143185 DOI: 10.3390/toxins14050344] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/06/2022] [Accepted: 05/12/2022] [Indexed: 02/01/2023] Open
Abstract
Venoms are products of specialized glands and serve many living organisms to immobilize and kill prey, start digestive processes and act as a defense mechanism. Venoms affect different cells, cellular structures and tissues, such as skin, nervous, hematological, digestive, excretory and immune systems, as well as the heart, among other structures. Components of both the innate and adaptive immune systems can be stimulated or suppressed. Studying the effects on the cells and molecules produced by the immune system has been useful in many biomedical fields. The effects of venoms can be the basis for research and development of therapeutic protocols useful in the modulation of the immunological system, including different autoimmune diseases. This review focuses on the understanding of biological effects of diverse venom on the human immune system and how some of their components can be useful for the study and development of immunomodulatory drugs.
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The Effects of αvβ3 Integrin Blockage in Breast Tumor and Endothelial Cells under Hypoxia In Vitro. Int J Mol Sci 2022; 23:ijms23031745. [PMID: 35163668 PMCID: PMC8835904 DOI: 10.3390/ijms23031745] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 01/23/2022] [Accepted: 01/25/2022] [Indexed: 12/12/2022] Open
Abstract
Breast cancer is characterized by a hypoxic microenvironment inside the tumor mass, contributing to cell metastatic behavior. Hypoxia induces the expression of hypoxia-inducible factor (HIF-1α), a transcription factor for genes involved in angiogenesis and metastatic behavior, including the vascular endothelial growth factor (VEGF), matrix metalloproteinases (MMPs), and integrins. Integrin receptors play a key role in cell adhesion and migration, being considered targets for metastasis prevention. We investigated the migratory behavior of hypoxia-cultured triple-negative breast cancer cells (TNBC) and endothelial cells (HUVEC) upon αvβ3 integrin blocking with DisBa-01, an RGD disintegrin with high affinity to this integrin. Boyden chamber, HUVEC transmigration, and wound healing assays in the presence of DisBa-01 were performed in hypoxic conditions. DisBa-01 produced similar effects in the two oxygen conditions in the Boyden chamber and transmigration assays. In the wound healing assay, hypoxia abolished DisBa-01′s inhibitory effect on cell motility and decreased the MMP-9 activity of conditioned media. These results indicate that αvβ3 integrin function in cell motility depends on the assay and oxygen levels, and higher inhibitor concentrations may be necessary to achieve the same inhibitory effect as in normoxia. These versatile responses add more complexity to the role of the αvβ3 integrin during tumor progression.
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Szteiter SS, Diego IN, Ortegon J, Salinas EM, Cirilo A, Reyes A, Sanchez O, Suntravat M, Salazar E, Sánchez EE, Galan JA. Examination of the Efficacy and Cross-Reactivity of a Novel Polyclonal Antibody Targeting the Disintegrin Domain in SVMPs to Neutralize Snake Venom. Toxins (Basel) 2021; 13:254. [PMID: 33807363 PMCID: PMC8066378 DOI: 10.3390/toxins13040254] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 03/23/2021] [Accepted: 03/24/2021] [Indexed: 11/25/2022] Open
Abstract
Snake envenomation can result in hemorrhage, local necrosis, swelling, and if not treated properly can lead to adverse systemic effects such as coagulopathy, nephrotoxicity, neurotoxicity, and cardiotoxicity, which can result in death. As such, snake venom metalloproteinases (SVMPs) and disintegrins are two toxic components that contribute to hemorrhage and interfere with the hemostatic system. Administration of a commercial antivenom is the common antidote to treat snake envenomation, but the high-cost, lack of efficacy, side effects, and limited availability, necessitates the development of new strategies and approaches for therapeutic treatments. Herein, we describe the neutralization ability of anti-disintegrin polyclonal antibody on the activities of isolated disintegrins, P-II/P-III SVMPs, and crude venoms. Our results show disintegrin activity on platelet aggregation in whole blood and the migration of the SK-Mel-28 cells that can be neutralized with anti-disintegrin polyclonal antibody. We characterized a SVMP and found that anti-disintegrin was also able to inhibit its activity in an in vitro proteolytic assay. Moreover, we found that anti-disintegrin could neutralize the proteolytic and hemorrhagic activities from crude Crotalus atrox venom. Our results suggest that anti-disintegrin polyclonal antibodies have the potential for a targeted approach to neutralize SVMPs in the treatment of snakebite envenomations.
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Affiliation(s)
- Shelby S. Szteiter
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA; (S.S.S.); (I.N.D.); (J.O.); (E.M.S.); (A.C.); (A.R.); (O.S.); (M.S.); (E.S.)
| | - Ilse N. Diego
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA; (S.S.S.); (I.N.D.); (J.O.); (E.M.S.); (A.C.); (A.R.); (O.S.); (M.S.); (E.S.)
| | - Jonathan Ortegon
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA; (S.S.S.); (I.N.D.); (J.O.); (E.M.S.); (A.C.); (A.R.); (O.S.); (M.S.); (E.S.)
| | - Eliana M. Salinas
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA; (S.S.S.); (I.N.D.); (J.O.); (E.M.S.); (A.C.); (A.R.); (O.S.); (M.S.); (E.S.)
| | - Abcde Cirilo
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA; (S.S.S.); (I.N.D.); (J.O.); (E.M.S.); (A.C.); (A.R.); (O.S.); (M.S.); (E.S.)
| | - Armando Reyes
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA; (S.S.S.); (I.N.D.); (J.O.); (E.M.S.); (A.C.); (A.R.); (O.S.); (M.S.); (E.S.)
| | - Oscar Sanchez
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA; (S.S.S.); (I.N.D.); (J.O.); (E.M.S.); (A.C.); (A.R.); (O.S.); (M.S.); (E.S.)
| | - Montamas Suntravat
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA; (S.S.S.); (I.N.D.); (J.O.); (E.M.S.); (A.C.); (A.R.); (O.S.); (M.S.); (E.S.)
- Department of Chemistry, Texas A&M University-Kingsville, MSC 161, Kingsville, TX 78363, USA
| | - Emelyn Salazar
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA; (S.S.S.); (I.N.D.); (J.O.); (E.M.S.); (A.C.); (A.R.); (O.S.); (M.S.); (E.S.)
| | - Elda E. Sánchez
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA; (S.S.S.); (I.N.D.); (J.O.); (E.M.S.); (A.C.); (A.R.); (O.S.); (M.S.); (E.S.)
- Department of Chemistry, Texas A&M University-Kingsville, MSC 161, Kingsville, TX 78363, USA
| | - Jacob A. Galan
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA; (S.S.S.); (I.N.D.); (J.O.); (E.M.S.); (A.C.); (A.R.); (O.S.); (M.S.); (E.S.)
- Department of Chemistry, Texas A&M University-Kingsville, MSC 161, Kingsville, TX 78363, USA
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Cañas CA, Castaño-Valencia S, Castro-Herrera F, Cañas F, Tobón GJ. Biomedical applications of snake venom: from basic science to autoimmunity and rheumatology. J Transl Autoimmun 2020; 4:100076. [PMID: 33385156 PMCID: PMC7772571 DOI: 10.1016/j.jtauto.2020.100076] [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: 08/26/2020] [Revised: 12/08/2020] [Accepted: 12/09/2020] [Indexed: 12/26/2022] Open
Abstract
Snake venoms have components with diverse biological actions that are extensively studied to identify elements that may be useful in biomedical sciences. In the field of autoimmunity and rheumatology, various findings useful for the study of diseases and potential drug development have been reported. The study of disintegrins, proteins that block the action of integrins, has been useful for the development of antiplatelet agents and principles for the development of immunosuppressants and antineoplastics. Several proteins in snake venoms act on the coagulation cascade, activating factors that have allowed the development of tests for the study of coagulation, including Russell's viper venom time, which is useful in the diagnosis of antiphospholipid syndrome. Neurotoxins with either pre- or postsynaptic effects have been used to study neurogenic synapses and neuromuscular plaques and the development of analgesics, muscle relaxants and drugs for neurodegenerative diseases. Various components act by inhibiting cells and proteins of the immune system, which will allow the development of anti-inflammatory and immunosuppressive drugs. This review summarizes the usefulness of the components of snake venoms in the fields of autoimmunity and rheumatology, which can serve as a basis for diverse translational research.
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Affiliation(s)
- Carlos A Cañas
- GIRAT: Grupo de Investigación en Reumatología, Autoimunidad y Medicina Traslacional, Fundación Valle Del Lili and Universidad Icesi, Cali, Colombia.,Fundación Valle Del Lili, Rheumatology Unit, Cra 98 No. 18 - 49, Cali, 760032, Colombia
| | - Santiago Castaño-Valencia
- Department of Physiological Sciences, Department of Health Sciences, Universidad Del Valle, Cali, Colombia
| | - Fernando Castro-Herrera
- Department of Physiological Sciences, Department of Health Sciences, Universidad Del Valle, Cali, Colombia
| | - Felipe Cañas
- Department of Cardiology, Clínica Medellín, Medellín, Colombia
| | - Gabriel J Tobón
- GIRAT: Grupo de Investigación en Reumatología, Autoimunidad y Medicina Traslacional, Fundación Valle Del Lili and Universidad Icesi, Cali, Colombia.,Fundación Valle Del Lili, Rheumatology Unit, Cra 98 No. 18 - 49, Cali, 760032, Colombia
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Schönthal AH, Swenson SD, Chen TC, Markland FS. Preclinical studies of a novel snake venom-derived recombinant disintegrin with antitumor activity: A review. Biochem Pharmacol 2020; 181:114149. [PMID: 32663453 DOI: 10.1016/j.bcp.2020.114149] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 07/09/2020] [Accepted: 07/09/2020] [Indexed: 12/12/2022]
Abstract
Snake venoms consist of a complex mixture of many bioactive molecules. Among them are disintegrins, which are peptides without enzymatic activity, but with high binding affinity for integrins, transmembrane receptors that function to connect cells with components of the extracellular matrix. Integrin-mediated cell attachment is critical for cell migration and dissemination, as well as for signal transduction pathways involved in cell growth. During tumor development, integrins play key roles by supporting cancer cell proliferation, angiogenesis, and metastasis. The recognition that snake venom disintegrins can block integrin functions has spawned a number of studies to explore their cancer therapeutic potential. While dozens of different disintegrins have been isolated, none of them as yet has undergone clinical evaluation in cancer patients. Among the best-characterized and preclinically most advanced disintegrins is vicrostatin (VCN), a recombinant disintegrin that was rationally designed by fusing 62 N-terminal amino acids derived from the disintegrin contortrostatin with 6 C-terminal amino acids from echistatin, the disintegrins from another snake species. Bacterially produced VCN was shown to target multiple tumor-associated integrins, achieving potent anti-tumor and anti-angiogenic effects in in vitro and in vivo models in the absence of noticeable toxicity. This review will introduce the field of snake venom disintegrins as potential anticancer agents and illustrate the translational development and cancer-therapeutic potential of VCN as an example.
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Affiliation(s)
- Axel H Schönthal
- Department of Molecular Microbiology and Immunology, Keck School of Medicine (KSOM), University of Southern California (USC), Los Angeles, CA 90089, USA
| | - Stephen D Swenson
- Department of Neurological Surgery, KSOM, USC, Los Angeles, CA 90089, USA; Department of Biochemistry and Molecular Medicine, KSOM, USC, Los Angeles, CA 90089, USA
| | - Thomas C Chen
- Department of Neurological Surgery, KSOM, USC, Los Angeles, CA 90089, USA
| | - Francis S Markland
- Department of Biochemistry and Molecular Medicine, KSOM, USC, Los Angeles, CA 90089, USA.
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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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Targeting Metastasis with Snake Toxins: Molecular Mechanisms. Toxins (Basel) 2017; 9:toxins9120390. [PMID: 29189742 PMCID: PMC5744110 DOI: 10.3390/toxins9120390] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Revised: 11/28/2017] [Accepted: 11/28/2017] [Indexed: 01/05/2023] Open
Abstract
Metastasis involves the migration of cancer cells from a primary tumor to invade and establish secondary tumors in distant organs, and it is the main cause for cancer-related deaths. Currently, the conventional cytostatic drugs target the proliferation of malignant cells, being ineffective in metastatic disease. This highlights the need to find new anti-metastatic drugs. Toxins isolated from snake venoms are a natural source of potentially useful molecular scaffolds to obtain agents with anti-migratory and anti-invasive effects in cancer cells. While there is greater evidence concerning the mechanisms of cell death induction of several snake toxin classes on cancer cells; only a reduced number of toxin classes have been reported on (i.e., disintegrins/disintegrin-like proteins, C-type lectin-like proteins, C-type lectins, serinproteases, cardiotoxins, snake venom cystatins) as inhibitors of adhesion, migration, and invasion of cancer cells. Here, we discuss the anti-metastatic mechanisms of snake toxins, distinguishing three targets, which involve (1) inhibition of extracellular matrix components-dependent adhesion and migration, (2) inhibition of epithelial-mesenchymal transition, and (3) inhibition of migration by alterations in the actin/cytoskeleton network.
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Bäcker H, Polgár L, Soós P, Lajkó E, Láng O, Merkely B, Szabó G, Dohmen PM, Weymann A, Kőhidai L. Impedimetric Analysis of the Effect of Decellularized Porcine Heart Scaffold on Human Fibrosarcoma, Endothelial, and Cardiomyocyte Cell Lines. Med Sci Monit 2017; 23:2232-2240. [PMID: 28493851 PMCID: PMC5436501 DOI: 10.12659/msm.901527] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Experiments on porcine heart scaffold represent significant assays in development of immunoneutral materials for cardiac surgery. Characterization of cell-cell and cell-scaffold interactions is essential to understand the homing process of cardiac cells into the scaffolds. MATERIAL AND METHODS In the present study, the highly sensitive and real-time impedimetric technique of xCELLigence SP was used to monitor cell adhesion, which is the key process of recellularization in heart scaffolds. Our objectives were: (i) to characterize the effect of decellularized porcine heart scaffold on cell adhesion of human cardiovascular cells potentially used in the recellularization process; and (ii) to investigate cell-extracellular matrix element interactions for building artificial multi-layer systems, applied as cellular models of recellularization experiments. Human fibrosarcoma, endothelial, and cardiomyocyte cells were investigated and the effect of decellularized porcine heart scaffold (HS) and fibronectin on cell adhesion was examined. Adhesion was quantified as slope of curves. RESULTS Heart scaffold had neutral effect on cardiomyocytes as well as on endothelial cells. Adhesion of cardiomyocytes was increased by fibronectin (1.480±0.021) compared to control (0.745±0.029). The combination of fibronectin and HS induced stronger adhesion of cardiomyocytes (2.407±0.634) than fibronectin alone. Endothelial and fibrosarcoma cells showed similarly strong adhesion profiles with marked enhancer effect by fibronectin. CONCLUSIONS Decellularized porcine HS does not inhibit adhesion of human cardiovascular cells at the cell biological level, while fibronectin has strong cell adhesion-inducer effect, as well as an enhancer effect on activity of HS. Consequently, decellularized porcine hearts could be used as scaffolds for recellularization with cardiomyocytes and endothelial cells with fibronectin acting as a regulator, leading to construction of working bioartificial hearts.
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Affiliation(s)
- Henrik Bäcker
- Department of Cardiac Surgery, Heidelberg University, Heidelberg, Germany
| | - Livia Polgár
- Heart and Vascular Center, Semmelweis University, Budapest, Hungary.,Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
| | - Pal Soós
- Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Eszter Lajkó
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
| | - Orsolya Láng
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
| | - Bela Merkely
- Heart and Vascular Center, Semmelweis University, Budapest, Hungary
| | - Gabor Szabó
- Department of Cardiac Surgery, Heidelberg University, Heidelberg, Germany
| | - Pascal M Dohmen
- Department of Cardiac Surgery, University Hospital Oldenburg, European Medical School Oldenburg-Groningen, Carl von Ossietzky University Oldenburg, Oldenburg, Germany
| | - Alexander Weymann
- Department of Cardiac Surgery, University Hospital Oldenburg, European Medical School Oldenburg-Groningen, Carl von Ossietzky University Oldenburg, Heidelberg, Germany
| | - Laszlo Kőhidai
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
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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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Saviola AJ, Modahl CM, Mackessy SP. Disintegrins of Crotalus simus tzabcan venom: Isolation, characterization and evaluation of the cytotoxic and anti-adhesion activities of tzabcanin, a new RGD disintegrin. Biochimie 2015; 116:92-102. [DOI: 10.1016/j.biochi.2015.07.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Accepted: 07/04/2015] [Indexed: 11/27/2022]
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20
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Suntravat M, Barret HS, Jurica CA, Lucena SE, Perez JC, Sánchez EE. Recombinant disintegrin (r-Cam-dis) from Crotalus adamanteus inhibits adhesion of human pancreatic cancer cell lines to laminin-1 and vitronectin. JOURNAL OF VENOM RESEARCH 2015; 6:1-10. [PMID: 26045944 PMCID: PMC4440708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2014] [Revised: 03/27/2015] [Accepted: 04/12/2015] [Indexed: 11/27/2022]
Abstract
Pancreatic cancer is a malignant cancer common worldwide having poor prognosis, even when diagnosed at its early stage. Cell adhesion plays a critical role in cancer invasion and metastasis. Integrins are major mediators of cell adhesion and play an important role in invasion and metastatic growth of human pancreatic cancer cells. Snake disintegrins are the most potent ligands of several integrins and have potential therapeutic applications for cancers. We have previously cloned and expressed a new recombinant RGD-disintegrin from Crotalus adamanteus (r-Cam-dis). This recently published r-Cam-dis has an extra nine amino acids derived from the vector (SPGARGSEF) at the N-terminus end and has strong anti-platelet activity. However, this r-Cam-dis contains the contamination of the cleavage of the N-terminal end of the pET-43.1a cloning vector. In this study, we have cloned r-Cam-dis in a different cloning vector (pGEX-4T-1) showing five different amino acids (GSPEF) at the N-terminal part. This new r-Cam-dis was expressed and tested for inhibition of platelet aggregation, specific binding activity with seven different integrins, and inhibition of adhesion of three different pancreatic cancer cell lines on laminin-1 and vitronectin. The r-Cam-dis showed potent binding to αvβ3 integrin, but was moderate to weak with αvβ5, αvβ6, α2β1, and α6β1. Interestingly, the inhibition of r-Cam-dis on pancreatic cancer cell lines adhesion to laminin-1 was more effective than that to vitronectin. Based on our binding results to integrin receptors and previous adhesion studies using function-blocking monoclonal antibodies, it is suggested that r-Cam-dis could be inhibiting adhesion of pancreatic cancer cell lines through integrins α2β1, α6β1, αvβ5, and αvβ6.
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Affiliation(s)
- Montamas Suntravat
- αNational Natural Toxins Research Center, Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA
| | - Henriquez S Barret
- αNational Natural Toxins Research Center, Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA
| | - Cameron A Jurica
- αNational Natural Toxins Research Center, Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA
| | - Sara E Lucena
- αNational Natural Toxins Research Center, Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA
| | - John C Perez
- αNational Natural Toxins Research Center, Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA
| | - Elda E Sánchez
- αNational Natural Toxins Research Center, Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA,βDepartment of Chemistry, Texas A&M University-Kingsville, MSC 161, Kingsville, TX 78363, USA,*Correspondence to: Elda Sánchez, , +1 361 5933796; +1 361 5933798
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Lucena S, Castro R, Lundin C, Hofstetter A, Alaniz A, Suntravat M, Sánchez EE. Inhibition of pancreatic tumoral cells by snake venom disintegrins. Toxicon 2014; 93:136-43. [PMID: 25450798 DOI: 10.1016/j.toxicon.2014.11.228] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Revised: 11/04/2014] [Accepted: 11/19/2014] [Indexed: 01/05/2023]
Abstract
Pancreatic cancer often has a poor prognosis, even when diagnosed early. Pancreatic cancer typically spreads rapidly and is rarely detected in its early stages, which is a major reason it is a leading cause of cancer death. Signs and symptoms may not appear until pancreatic cancer is quite advanced, and complete surgical removal is not possible. Furthermore, pancreatic cancer responds poorly to most chemotherapeutic agents. The importance of integrins in several cell types that affect tumor progression has made them an appealing target for cancer therapy. Some of the proteins found in the snake venom present a great potential as anti-tumor agents. In this study, we summarize the activity of two integrins antagonist, recombinant disintegrins mojastin 1 and viridistatin 2, on human pancreatic carcinoma cell line (BXPC-3). Both recombinant disintegrins inhibited some essential aspects of the metastasis process such as proliferation, adhesion, migration, and survival through apoptosis, making these proteins prominent candidates for the development of drugs for the treatment of pancreatic cancer.
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Affiliation(s)
- Sara Lucena
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX, 78363, USA
| | - Roberto Castro
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX, 78363, USA
| | - Courtney Lundin
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX, 78363, USA
| | - Amanda Hofstetter
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX, 78363, USA
| | - Amber Alaniz
- Biology Department, Del Mar College, 101 Baldwin Blvd., Corpus Christi, TX, 78404, USA
| | - Montamas Suntravat
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX, 78363, USA
| | - Elda Eliza Sánchez
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX, 78363, USA; Department of Chemistry, Texas A&M University-Kingsville, MSC 161, Kingsville, TX, 78363, USA.
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22
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Sheldrake HM, Patterson LH. Strategies to inhibit tumor associated integrin receptors: rationale for dual and multi-antagonists. J Med Chem 2014; 57:6301-15. [PMID: 24568695 DOI: 10.1021/jm5000547] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The integrins are a family of 24 heterodimeric transmembrane cell surface receptors. Involvement in cell attachment to the extracellular matrix, motility, and proliferation identifies integrins as therapeutic targets in cancer and associated conditions: thrombosis, angiogenesis, and osteoporosis. The most reported strategy for drug development is synthesis of an agent that is highly selective for a single integrin receptor. However, the ability of cancer cells to change their integrin repertoire in response to drug treatment renders this approach vulnerable to the development of resistance and paradoxical promotion of tumor growth. Here, we review progress toward development of antagonists targeting two or more members of the Arg-Gly-Asp (RGD) binding integrins, notably αvβ3, αvβ5, αvβ6, αvβ8, α5β1, and αIIbβ3, as anticancer therapeutics.
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Affiliation(s)
- Helen M Sheldrake
- Institute of Cancer Therapeutics, University of Bradford , Bradford, BD7 1DP, U.K
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Lucena SE, Romo K, Suntravat M, Sánchez EE. Anti-angiogenic activities of two recombinant disintegrins derived from the Mohave and Prairie rattlesnakes. Toxicon 2013; 78:10-7. [PMID: 24269784 DOI: 10.1016/j.toxicon.2013.11.005] [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: 10/19/2013] [Revised: 11/06/2013] [Accepted: 11/12/2013] [Indexed: 01/20/2023]
Abstract
Angiogenesis plays a crucial role in the growth and spread of cancer. New vascularization nourishes cancer cells with oxygen and nutrients, allowing these cells to grow, invade nearby tissue, spread to other parts of the body, and form new colonies of cancer cells. Tumor angiogenesis consists of endothelial cell proliferation, migration, and tube formation into the tumor mass. The study of natural and synthetic angiogenesis inhibitors is a promising area for therapeutics since tumors cannot grow or spread without the formation of new blood vessels. Anti-angiogenic activities have been identified in peptides known as disintegrins. Disintegrins are a family of small proteins (45-84 amino acids in length), many which are found in snake venom that function as potent inhibitors of both platelet aggregation and integrin-dependent cell adhesion. This study reports two recombinant disintegrins (r-mojastin 1 and r-viridistatin 2) inhibiting, with similar effectiveness, distinct steps in angiogenesis such as proliferation, adhesion to fibronectin, migration, and tube formation in vitro and in vivo. Both recombinant disintegrins bind to α(v)β₃ and α(v)β₅ receptors that are upregulated in tumor endothelial cells, having a higher binding activity to α(v)β₃ integrin.
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Affiliation(s)
- Sara E Lucena
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA
| | - Karen Romo
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA
| | - Montamas Suntravat
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA
| | - Elda E Sánchez
- National Natural Toxins Research Center (NNTRC), Texas A&M University-Kingsville, MSC 224, 975 West Avenue B, Kingsville, TX 78363, USA; Department of Chemistry, Texas A&M University-Kingsville, MSC 161, Kingsville, TX 78363, USA.
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Applications of snake venom components to modulate integrin activities in cell-matrix interactions. Int J Biochem Cell Biol 2013; 45:1974-86. [PMID: 23811033 DOI: 10.1016/j.biocel.2013.06.009] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2013] [Revised: 05/29/2013] [Accepted: 06/12/2013] [Indexed: 01/23/2023]
Abstract
Snake venom proteins are broadly investigated in the different areas of life science. Direct interaction of these compounds with cells may involve a variety of mechanisms that result in diverse cellular responses leading to the activation or blocking of physiological functions of the cell. In this review, the snake venom components interacting with integrins will be characterized in context of their effect on cellular response. Currently, two major families of snake venom proteins are considered as integrin-binding molecules. The most attention has been devoted to the disintegrin family, which binds certain types of integrins through specific motifs recognized as a tri-peptide structurally localized on an integrin-binding loop. Other snake venom integrin-binding proteins belong to the C-type lectin family. Snake venom molecules bind to the cellular integrins resulting in a modulation of cell signaling and in consequence, the regulation of cell proliferation, migration and apoptosis. Therefore, snake venom research on the integrin-binding molecules may have significance in biomedicine and basic cell biology.
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25
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Suntravat M, Jia Y, Lucena SE, Sánchez EE, Pérez JC. cDNA cloning of a snake venom metalloproteinase from the eastern diamondback rattlesnake (Crotalus adamanteus), and the expression of its disintegrin domain with anti-platelet effects. Toxicon 2013; 64:43-54. [PMID: 23313448 DOI: 10.1016/j.toxicon.2012.12.025] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2012] [Revised: 12/22/2012] [Accepted: 12/30/2012] [Indexed: 12/21/2022]
Abstract
A 5' truncated snake venom metalloproteinase was identified from a cDNA library constructed from venom glands of an eastern diamondback rattlesnake (Crotalus adamanteus). The 5'-rapid amplification of cDNA ends (RACE) was used to obtain the 1865 bp full-length cDNA sequence of a snake venom metalloproteinase (CamVMPII). CamVMPII encodes an open reading frame of 488 amino acids, which includes a signal peptide, a pro-domain, a metalloproteinase domain, a spacer, and an RGD-disintegrin domain. The predicted amino acid sequence of CamVMPII showed a 91%, 90%, 83%, and 82% sequence homology to the P-II class enzymes of C. adamanteus metalloproteinase 2, Crotalus atrox CaVMP-II, Gloydius halys agkistin, and Protobothrops jerdonii jerdonitin, respectively. Disintegrins are potent inhibitors of both platelet aggregation and integrin-dependent cell adhesion. Therefore, the disintegrin domain (Cam-dis) of CamVMPII was amplified by PCR, cloned into a pET-43.1a vector, and expressed in Escherichia coli BL21. Affinity purified recombinantly modified Cam-dis (r-Cam-dis) with a yield of 8.5 mg/L culture medium was cleaved from the fusion tags by enterokinase cleavage. r-Cam-dis was further purified by two-step chromatography consisting of HiTrap™ Benzamidine FF column, followed by Talon Metal affinity column with a final yield of 1 mg/L culture. r-Cam-dis was able to inhibit all three processes of platelet thrombus formation including platelet adhesion with an estimated IC(50) of 1 nM, collagen- and ADP-induced platelet aggregation with the estimated IC(50)s of 18 and 6 nM, respectively, and platelet function on clot retraction. It is a potent anti-platelet inhibitor, which should be further investigated for drug discovery to treat stroke patients or patients with thrombotic disorders.
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Affiliation(s)
- Montamas Suntravat
- National Natural Toxins Research Center, Texas A&M University-Kingsville, Kingsville, TX 78363, USA.
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