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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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2
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Almeida GDO, de Oliveira IS, Arantes EC, Sampaio SV. Snake venom disintegrins update: insights about new findings. J Venom Anim Toxins Incl Trop Dis 2023; 29:e20230039. [PMID: 37818211 PMCID: PMC10561651 DOI: 10.1590/1678-9199-jvatitd-2023-0039] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Accepted: 08/25/2023] [Indexed: 10/12/2023] Open
Abstract
Snake venom disintegrins are low molecular weight, non-enzymatic proteins rich in cysteine, present in the venom of snakes from the families Viperidae, Crotalidae, Atractaspididae, Elapidae, and Colubridae. This family of proteins originated in venom through the proteolytic processing of metalloproteinases (SVMPs), which, in turn, evolved from a gene encoding an A Disintegrin And Metalloprotease (ADAM) molecule. Disintegrins have a recognition motif for integrins in their structure, allowing interaction with these transmembrane adhesion receptors and preventing their binding to proteins in the extracellular matrix and other cells. This interaction gives disintegrins their wide range of biological functions, including inhibition of platelet aggregation and antitumor activity. As a result, many studies have been conducted in an attempt to use these natural compounds as a basis for developing therapies for the treatment of various diseases. Furthermore, the FDA has approved Tirofiban and Eptifibatide as antiplatelet compounds, and they are synthesized from the structure of echistatin and barbourin, respectively. In this review, we discuss some of the main functional and structural characteristics of this class of proteins and their potential for therapeutic use.
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Affiliation(s)
- Gabriela de Oliveira Almeida
- Department of Clinical Analysis, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Isadora Sousa de Oliveira
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Kongens Lyngby, Denmark
| | - Eliane Candiani Arantes
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Suely Vilela Sampaio
- Department of Clinical Analysis, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
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Tsai TS, Tsai IH. Full sequencing and comparison of five venom metalloproteases of Trimeresurus gracilis: The PI-enzyme is most similar to okinalysin but the PIII-enzyme is most similar to Crotalus venom enzymes. Toxicon 2023; 225:107053. [PMID: 36758773 DOI: 10.1016/j.toxicon.2023.107053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 02/06/2023] [Accepted: 02/07/2023] [Indexed: 02/11/2023]
Abstract
The cDNAs encoding the Zn+2-metalloproteases (SVMPs) of Trimeresurus gracilis (abbreviated as Tgc), a pitviper endemic to Taiwan, were cloned from venom glands and sequenced. The amino-acid sequences of five novel SVMPs, including one P-III, three P-II and one P-I class enzymes, were thus deduced and subjected to BLAST-analyses. The P-III enzyme (designated as Tgc-PIII) is structurally most similar to the PIII-SVMPs of New World pitvipers but not similar to the PIII-SVMP of Ovophis okinavensis. Sequence-similarity analysis of 22 homologous PIII-SVMPs reveal three major structural subtypes of the pitviper PIII-SVMPs, which possibly have different substrate specificities. In addition, Tgc-PIII and the PI-class SVMP (named Tgc-MP) were isolated from the venom and verified by mass spectrometry. All the three deduced sequences of PII-SVMPs (Tgc-PIIs) contain an abnormal Zn+2-binding-site in their catalytic-domain, and an identical "long-disintegrin" domain. The predicted 85-residues disintegrin, gracilisin, bears high similarities to some long-disintegrins of the New-World pitvipers and salmosin3. By BLAST search and comparison, Tgc-MP is 96% similar to okinalysin, the hemorrhagic PI-SVMP of O. okinavensis, rather than any other PI-SVMPs in the databanks. Our results confirm the fast evolution of Tgc-SVMPs as well as their structural similarities to different SVMP-classes of the New-World pitvipers and of O. okinavensis, respectively. The implications of our findings are discussed along with our previous sequence comparisons of venom phospholipases A2 and ten venom serine proteases of Tgc.
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Affiliation(s)
- Tein-Shun Tsai
- Department of Biological Science and Technology, National Pingtung University of Science and Technology, Pingtung, Taiwan
| | - Inn-Ho Tsai
- Institute of Biological Chemistry, Academia Sinica, Taipei, Taiwan; Institute of Biochemical Sciences, National Taiwan University, Taipei, Taiwan.
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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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5
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How snake venom disintegrins affect platelet aggregation and cancer proliferation. Toxicon 2022; 221:106982. [DOI: 10.1016/j.toxicon.2022.106982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022]
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Mora-Obando D, Lomonte B, Pla D, Guerrero-Vargas JA, Ayerbe-González S, Gutiérrez JM, Sasa M, Calvete JJ. Half a century of research on Bothrops asper venom variation: Biological and biomedical implications. Toxicon 2022; 221:106983. [DOI: 10.1016/j.toxicon.2022.106983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 11/24/2022]
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Rodríguez-Vargas A, Vega N, Reyes-Montaño E, Corzo G, Neri-Castro E, Clement H, Ruiz-Gómez F. Intraspecific Differences in the Venom of Crotalus durissus cumanensis from Colombia. Toxins (Basel) 2022; 14:toxins14080532. [PMID: 36006194 PMCID: PMC9416679 DOI: 10.3390/toxins14080532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 07/12/2022] [Accepted: 07/14/2022] [Indexed: 12/04/2022] Open
Abstract
Biochemical and biological differences in the venom of Crotalus durissus cumanensis from three ecoregions of Colombia were evaluated. Rattlesnakes were collected from the geographic areas of Magdalena Medio (MM), Caribe (CA) and Orinoquía (OR). All three regionally distributed venoms contain proteases, PLA2s and the basic subunit of crotoxin. However, only crotamine was detected in the CA venom. The highest lethality, coagulant, phospholipase A2 and hyaluronidase activities were found in the MM venom. Also, some differences, observed by western blot and immunoaffinity, were found in all three venoms when using commercial antivenoms. Furthermore, all three eco-regional venoms showed intraspecific variability, considering the differences in the abundance and intensity of their components, in addition to the activity and response to commercial antivenoms.
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Affiliation(s)
- Ariadna Rodríguez-Vargas
- Grupo de Investigación en Proteínas, Universidad Nacional de Colombia, Bogotá 11001, Colombia; (N.V.); (E.R.-M.)
- Correspondence:
| | - Nohora Vega
- Grupo de Investigación en Proteínas, Universidad Nacional de Colombia, Bogotá 11001, Colombia; (N.V.); (E.R.-M.)
| | - Edgar Reyes-Montaño
- Grupo de Investigación en Proteínas, Universidad Nacional de Colombia, Bogotá 11001, Colombia; (N.V.); (E.R.-M.)
| | - Gerardo Corzo
- Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca 62210, Mexico; (G.C.); (E.N.-C.); (H.C.)
| | - Edgar Neri-Castro
- Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca 62210, Mexico; (G.C.); (E.N.-C.); (H.C.)
| | - Herlinda Clement
- Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca 62210, Mexico; (G.C.); (E.N.-C.); (H.C.)
| | - Francisco Ruiz-Gómez
- Grupo de Investigación en Animales Ponzoñosos y sus Venenos, Instituto Nacional de Salud, Bogotá 111321, Colombia;
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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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Exogenous Integrin αIIbβ3 Inhibitors Revisited: Past, Present and Future Applications. Int J Mol Sci 2021; 22:ijms22073366. [PMID: 33806083 PMCID: PMC8036306 DOI: 10.3390/ijms22073366] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/22/2021] [Accepted: 03/23/2021] [Indexed: 12/15/2022] Open
Abstract
The integrin αIIbβ3 is the most abundant integrin on platelets. Upon platelet activation, the integrin changes its conformation (inside-out signalling) and outside-in signalling takes place leading to platelet spreading, platelet aggregation and thrombus formation. Bloodsucking parasites such as mosquitoes, leeches and ticks express anticoagulant and antiplatelet proteins, which represent major sources of lead compounds for the development of useful therapeutic agents for the treatment of haemostatic disorders or cardiovascular diseases. In addition to hematophagous parasites, snakes also possess anticoagulant and antiplatelet proteins in their salivary glands. Two snake venom proteins have been developed into two antiplatelet drugs that are currently used in the clinic. The group of proteins discussed in this review are disintegrins, low molecular weight integrin-binding cysteine-rich proteins, found in snakes, ticks, leeches, worms and horseflies. Finally, we highlight various oral antagonists, which have been tested in clinical trials but were discontinued due to an increase in mortality. No new αIIbβ3 inhibitors are developed since the approval of current platelet antagonists, and structure-function analysis of exogenous disintegrins could help find platelet antagonists with fewer adverse side effects.
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Simizo A, Kitano ES, Sant'Anna SS, Grego KF, Tanaka-Azevedo AM, Tashima AK. Comparative gender peptidomics of Bothrops atrox venoms: are there differences between them? J Venom Anim Toxins Incl Trop Dis 2020; 26:e20200055. [PMID: 33088286 PMCID: PMC7546584 DOI: 10.1590/1678-9199-jvatitd-2020-0055] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Background: Bothrops atrox is known to be the pit viper responsible for
most snakebites and human fatalities in the Amazon region. It can be found
in a wide geographical area including northern South America, the east of
Andes and the Amazon basin. Possibly, due to its wide distribution and
generalist feeding, intraspecific venom variation was reported by previous
proteomics studies. Sex-based and ontogenetic variations on venom
compositions of Bothrops snakes were also subject of
proteomic and peptidomic analysis. However, the venom peptidome of
B. atrox remains unknown. Methods: We conducted a mass spectrometry-based analysis of the venom peptides of
individual male and female specimens combining bottom-up and top-down
approaches. Results: We identified in B. atrox a total of 105 native peptides in
the mass range of 0.4 to 13.9 kDa. Quantitative analysis showed that
phospholipase A2 and bradykinin potentiating peptides were the
most abundant peptide families in both genders, whereas disintegrin levels
were significantly increased in the venoms of females. Known peptides
processed at non-canonical sites and new peptides as the Ba1a, which
contains the SVMP BATXSVMPII1 catalytic site, were also revealed in this
work. Conclusion: The venom peptidomes of male and female specimens of B.
atrox were analyzed by mass spectrometry-based approaches in
this work. The study points to differences in disintegrin levels in the
venoms of females that may result in distinct pathophysiology of
envenomation. Further research is required to explore the potential
biological implications of this finding.
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Affiliation(s)
- Adriana Simizo
- Department of Biochemistry, Federal University of São Paulo (Unifesp), São Paulo, SP, Brazil
| | - Eduardo S Kitano
- Laboratory of Immunology, Heart Institute, Medical School, University of São Paulo (USP), São Paulo, SP, Brazil
| | - Sávio S Sant'Anna
- Laboratory of Herpetology, Butantan Institute, São Paulo, SP, Brazil
| | | | | | - Alexandre K Tashima
- Department of Biochemistry, Federal University of São Paulo (Unifesp), São Paulo, SP, Brazil.,Special Laboratory for Applied Toxinology, Center of Toxins, Immune-Response and Cell Signaling, Butantan Institute, São Paulo, SP, Brazil
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Ontogenetic changes in the venom of Metlapilcoatlus nummifer, the mexican jumping viper. Toxicon 2020; 184:204-214. [DOI: 10.1016/j.toxicon.2020.06.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 06/03/2020] [Accepted: 06/23/2020] [Indexed: 01/27/2023]
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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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Oliveira ISD, Manzini RV, Ferreira IG, Cardoso IA, Bordon KDCF, Machado ART, Antunes LMG, Rosa JC, Arantes EC. Cell migration inhibition activity of a non-RGD disintegrin from Crotalus durissus collilineatus venom. J Venom Anim Toxins Incl Trop Dis 2018; 24:28. [PMID: 30377432 PMCID: PMC6195974 DOI: 10.1186/s40409-018-0167-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 10/05/2018] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND In recent decades, snake venom disintegrins have received special attention due to their potential use in anticancer therapy. Disintegrins are small and cysteine-rich proteins present in snake venoms and can interact with specific integrins to inhibit their activities in cell-cell and cell-ECM interactions. These molecules, known to inhibit platelet aggregation, are also capable of interacting with certain cancer-related integrins, and may interfere in important processes involved in carcinogenesis. Therefore, disintegrin from Crotalus durissus collilineatus venom was isolated, structurally characterized and evaluated for its toxicity and ability to interfere with cell proliferation and migration in MDA-MB-231, a human breast cancer cell line. METHODS Based on previous studies, disintegrin was isolated by FPLC, through two chromatographic steps, both on reversed phase C-18 columns. The isolated disintegrin was structurally characterized by Tris-Tricine-SDS-PAGE, mass spectrometry and N-terminal sequencing. For the functional assays, MTT and wound-healing assays were performed in order to investigate cytotoxicity and effect on cell migration in vitro, respectively. RESULTS Disintegrin presented a molecular mass of 7287.4 Da and its amino acid sequence shared similarity with the disintegrin domain of P-II metalloproteases. Using functional assays, the disintegrin showed low cytotoxicity (15% and 17%, at 3 and 6 μg/mL, respectively) after 24 h of incubation and in the wound-healing assay, the disintegrin (3 μg/mL) was able to significantly inhibit cell migration (24%, p < 0.05), compared to negative control. CONCLUSION Thus, our results demonstrate that non-RGD disintegrin from C. d. collilineatus induces low cytotoxicity and inhibits migration of human breast cancer cells. Therefore, it may be a very useful molecular tool for understanding ECM-cell interaction cancer-related mechanisms involved in an important integrin family that highlights molecular aspects of tumorigenesis. Also, non-RGD disintegrin has potential to serve as an agent in anticancer therapy or adjuvant component combined with other anticancer drugs.
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Affiliation(s)
- Isadora Sousa de Oliveira
- School of Pharmaceutical Sciences of Ribeirão Preto, Department of Physics and Chemistry, University of São Paulo, Av. do Café s/n°, Monte Alegre, Ribeirão Preto, SP 14040-903 Brazil
| | - Rafaella Varzoni Manzini
- School of Pharmaceutical Sciences of Ribeirão Preto, Department of Physics and Chemistry, University of São Paulo, Av. do Café s/n°, Monte Alegre, Ribeirão Preto, SP 14040-903 Brazil
| | - Isabela Gobbo Ferreira
- School of Pharmaceutical Sciences of Ribeirão Preto, Department of Physics and Chemistry, University of São Paulo, Av. do Café s/n°, Monte Alegre, Ribeirão Preto, SP 14040-903 Brazil
| | - Iara Aimê Cardoso
- School of Pharmaceutical Sciences of Ribeirão Preto, Department of Physics and Chemistry, University of São Paulo, Av. do Café s/n°, Monte Alegre, Ribeirão Preto, SP 14040-903 Brazil
| | - Karla de Castro Figueiredo Bordon
- School of Pharmaceutical Sciences of Ribeirão Preto, Department of Physics and Chemistry, University of São Paulo, Av. do Café s/n°, Monte Alegre, Ribeirão Preto, SP 14040-903 Brazil
| | - Ana Rita Thomazela Machado
- Department of Clinical Analysis, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP Brazil
| | - Lusânia Maria Greggi Antunes
- Department of Clinical Analysis, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP Brazil
| | - José Cesar Rosa
- Protein Chemistry Center and Department of Molecular and Cell Biology and Pathogenic Bioagents, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP Brazil
| | - Eliane Candiani Arantes
- School of Pharmaceutical Sciences of Ribeirão Preto, Department of Physics and Chemistry, University of São Paulo, Av. do Café s/n°, Monte Alegre, Ribeirão Preto, SP 14040-903 Brazil
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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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