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Mendoza-Tobar LL, Clement H, Arenas I, Sepulveda-Arias JC, Vargas JAG, Corzo G. An overview of some enzymes from buthid scorpion venoms from Colombia: Centruroides margaritatus, Tityus pachyurus, and Tityus n. sp. aff. metuendus. J Venom Anim Toxins Incl Trop Dis 2024; 30:e20230063. [PMID: 38505508 PMCID: PMC10950367 DOI: 10.1590/1678-9199-jvatitd-2023-0063] [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: 09/12/2023] [Accepted: 12/04/2023] [Indexed: 03/21/2024] Open
Abstract
Background In Colombia, several species of Buthidae scorpions belonging to the genera Centruroides and Tityus coexist, and their stings are considered life-threatening to humans because of their venom neurotoxins. Despite previous studies focusing on neurotoxins from these scorpion genera, little is known about the enzymes present in their venoms and their relationship with whole venom toxicity. Methods Here, using proteomic and biochemical protocols the enzymatic activities of the venoms of three Colombian scorpion species, C. margaritatus, T. pachyurus, and T. n. sp. aff. metuendus, were compared to establish the presence and absence of enzymes such as phospholipases, hyaluronidases, and proteases that could be related to venom toxicity. Results: C. margaritatus was positive for hyaluronidases, T. n. sp. aff. metuendus for proteases, and T. pachyurus exhibited activity for all three mentioned enzymes. Conclusion This information provides valuable insights into the specific enzyme diversity of each species' venom and their potential role in venom toxicity, which could contribute to the development of better treatments and prevention strategies for scorpion envenomation.
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Affiliation(s)
- Leydy Lorena Mendoza-Tobar
- Grupo de Investigaciones Herpetológicas y Toxinológicas, Facultad de
Ciencias Naturales, Exactas y de la Educación, Universidad del Cauca, Popayán,
Colombia
| | - Herlinda Clement
- Departamento de Medicina Molecular y Bioprocesos, Instituto de
Biotecnología, Universidad Nacional Autónoma de México (UNAM), Cuernavaca Morelos,
México
| | - Iván Arenas
- Departamento de Medicina Molecular y Bioprocesos, Instituto de
Biotecnología, Universidad Nacional Autónoma de México (UNAM), Cuernavaca Morelos,
México
| | - Juan Carlos Sepulveda-Arias
- Grupo de Infección e Inmunidad, Facultad Ciencias de la Salud,
Universidad Tecnológica de Pereira, Pereira, Colombia
| | - Jimmy Alexander Guerrero Vargas
- Grupo de Investigaciones Herpetológicas y Toxinológicas, Facultad de
Ciencias Naturales, Exactas y de la Educación, Universidad del Cauca, Popayán,
Colombia
| | - Gerardo Corzo
- Departamento de Medicina Molecular y Bioprocesos, Instituto de
Biotecnología, Universidad Nacional Autónoma de México (UNAM), Cuernavaca Morelos,
México
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Nasr S, Borges A, Sahyoun C, Nasr R, Roufayel R, Legros C, Sabatier JM, Fajloun Z. Scorpion Venom as a Source of Antimicrobial Peptides: Overview of Biomolecule Separation, Analysis and Characterization Methods. Antibiotics (Basel) 2023; 12:1380. [PMID: 37760677 PMCID: PMC10525675 DOI: 10.3390/antibiotics12091380] [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: 07/27/2023] [Revised: 08/21/2023] [Accepted: 08/27/2023] [Indexed: 09/29/2023] Open
Abstract
Scorpion venoms have long captivated scientific researchers, primarily due to the potency and specificity of the mechanism of action of their derived components. Among other molecules, these venoms contain highly active compounds, including antimicrobial peptides (AMPs) and ion channel-specific components that selectively target biological receptors with remarkable affinity. Some of these receptors have emerged as prime therapeutic targets for addressing various human pathologies, including cancer and infectious diseases, and have served as models for designing novel drugs. Consequently, extensive biochemical and proteomic investigations have focused on characterizing scorpion venoms. This review provides a comprehensive overview of the key methodologies used in the extraction, purification, analysis, and characterization of AMPs and other bioactive molecules present in scorpion venoms. Noteworthy techniques such as gel electrophoresis, reverse-phase high-performance liquid chromatography, size exclusion chromatography, and "omics" approaches are explored, along with various combinations of methods that enable bioassay-guided venom fractionation. Furthermore, this review presents four adapted proteomic workflows that lead to the comprehensive dissection of the scorpion venom proteome, with an emphasis on AMPs. These workflows differ based on whether the venom is pre-fractionated using separation techniques or is proteolytically digested directly before further proteomic analyses. Since the composition and functionality of scorpion venoms are species-specific, the selection and sequence of the techniques for venom analyses, including these workflows, should be tailored to the specific parameters of the study.
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Affiliation(s)
- Sara Nasr
- Laboratory of Applied Biotechnology (LBA3B), Azm Center for Research in Biotechnology and Its Applications, EDST, Lebanese University, Tripoli 1300, Lebanon; (S.N.); (C.S.)
| | - Adolfo Borges
- Laboratorio de Biología Molecular de Toxinas y Receptores, Instituto de Medicina Experimental, Facultad de Medicina, Universidad Central de Venezuela, Caracas 50587, Venezuela;
- Centro para el Desarrollo de la Investigación Científica, Asunción 1255, Paraguay
| | - Christina Sahyoun
- Laboratory of Applied Biotechnology (LBA3B), Azm Center for Research in Biotechnology and Its Applications, EDST, Lebanese University, Tripoli 1300, Lebanon; (S.N.); (C.S.)
- Univ Angers, INSERM, CNRS, MITOVASC, Team 2 CarMe, SFR ICAT, 49000 Angers, France
| | - Riad Nasr
- Department of Physical Therapy, Faculty of Public Health 3, Lebanese University, Tripoli 1200, Lebanon;
| | - Rabih Roufayel
- College of Engineering and Technology, American University of the Middle East, Egaila 54200, Kuwait;
| | - Christian Legros
- Univ Angers, INSERM, CNRS, MITOVASC, Team 2 CarMe, SFR ICAT, 49000 Angers, France
| | - Jean-Marc Sabatier
- Aix-Marseille Université, CNRS, INP, Inst Neurophysiopathol, 13385 Marseille, France
| | - Ziad Fajloun
- Laboratory of Applied Biotechnology (LBA3B), Azm Center for Research in Biotechnology and Its Applications, EDST, Lebanese University, Tripoli 1300, Lebanon; (S.N.); (C.S.)
- Faculty of Sciences 3, Department of Biology, Lebanese University, Campus Michel Slayman Ras Maska, Tripoli 1352, Lebanon
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3
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Molecular Characterization and In Silico Analyses of Maurolipin Structure as a Secretory Phospholipase ( ) from Venom Glands of Iranian Scorpio maurus (Arachnida: Scorpionida). J Trop Med 2022; 2022:1839946. [PMID: 36226273 PMCID: PMC9550507 DOI: 10.1155/2022/1839946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 09/07/2022] [Accepted: 09/15/2022] [Indexed: 11/18/2022] Open
Abstract
The venom is a mixture of various compounds with specific biological activities, such as the phospholipase A2 (PLA2) enzyme present in scorpion venom. PLA2 plays a key role in inhibiting ryanodine receptor channels and has neurotoxic activity. This study is the first investigation of molecular characterization, cloning, and in silico analyses of PLA2 from Iranian Scorpio maurus, named Maurolipin. After RNA extraction from S. maurus venom glands, cDNA was synthesized and amplified through RT-PCR using specific primers. Amplified Maurolipin was cloned in TA cloning vector, pTG19. For in silico analyses, the characterized gene was analyzed utilizing different software. Maurolipin coding gene with 432 base pair nucleotide length encoded a protein of 144 amino acid residues and 16.34 kilodaltons. Comparing the coding sequence of Maurolipin with other characterized PLA2 from different species of scorpions showed that this protein was a member of the PLA2 superfamily. According to SWISS-MODEL prediction, Maurolipin had 38.83% identity with bee venom PLA2 with 100% confidence and 39% identity with insect phospholipase A2 family, which Phyre2 predicted. According to the three-dimensional structure prediction, Maurolipin with five disulfide bonds has a very high similarity to the structure of PLA2 that belonged to the group III subfamily. The in silico analyses showed that phospholipase A2 coding gene and protein structure is different based on scorpion species and geographical condition in which they live.
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Soltan-Alinejad P, Alipour H, Meharabani D, Azizi K. Therapeutic Potential of Bee and Scorpion Venom Phospholipase A2 (PLA2): A Narrative Review. IRANIAN JOURNAL OF MEDICAL SCIENCES 2022; 47:300-313. [PMID: 35919080 PMCID: PMC9339116 DOI: 10.30476/ijms.2021.88511.1927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 12/07/2020] [Accepted: 01/23/2021] [Indexed: 11/19/2022]
Abstract
Venomous arthropods such as scorpions and bees form one of the important groups with an essential role in medical entomology. Their venom possesses a mixture of diverse compounds, such as peptides, some of which have toxic effects, and enzymatic peptide Phospholipase A2 (PLA2) with a pharmacological potential in the treatment of a wide range of diseases. Bee and scorpion venom PLA2 group III has been used in immunotherapy, the treatment of neurodegenerative and inflammatory diseases. They were assessed for antinociceptive, wound healing, anti-cancer, anti-viral, anti-bacterial, anti-parasitic, and anti-angiogenesis effects. PLA2 has been identified in different species of scorpions and bees. The anti-leishmania, anti-bacterial, anti-viral, and anti-malarial activities of scorpion PLA2 still need further investigation. Many pieces of research have been stopped in the laboratory stage, and several studies need vast investigation in the clinical phase to show the pharmacological potential of PLA2. In this review, the medical significance of PLA2 from the venom of two arthropods, namely bees and scorpions, is discussed.
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Affiliation(s)
- Parisa Soltan-Alinejad
- Research Center for Health Sciences, Institute of Health, Department of Medical Entomology and Vector Control, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hamzeh Alipour
- Research Center for Health Sciences, Institute of Health, Department of Medical Entomology and Vector Control, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Davood Meharabani
- Li Ka Shing Center for Health Research and Innovation, University of Alberta, Edmonton, AB, Canada,
Stem Cell Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Kourosh Azizi
- Research Center for Health Sciences, Institute of Health, Department of Medical Entomology and Vector Control, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
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5
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Eddehech A, Smichi N, Violot S, Bettler E, Brizuela L, Noiriel A, Abousalham A, Zarai Z. Deciphering the recombinant thermostable phosphatidylcholine-specific phospholipase C activity from Bacillus thuringiensis: Biochemical and interfacial properties. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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6
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Das B, Saviola AJ, Mukherjee AK. Biochemical and Proteomic Characterization, and Pharmacological Insights of Indian Red Scorpion Venom Toxins. Front Pharmacol 2021; 12:710680. [PMID: 34650430 PMCID: PMC8505525 DOI: 10.3389/fphar.2021.710680] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 08/16/2021] [Indexed: 12/16/2022] Open
Abstract
The Indian red scorpion (Mesobuthus tamulus) is one of the world's deadliest scorpions, with stings representing a life-threatening medical emergency. This species is distributed throughout the Indian sub-continent, including eastern Pakistan, eastern Nepal, and Sri Lanka. In India, Indian red scorpions are broadly distributed in western Maharashtra, Saurashtra, Kerala, Andhra Pradesh, Tamil Nadu, and Karnataka; however, fatal envenomations have been recorded primarily in the Konkan region of Maharashtra. The Indian red scorpion venom proteome comprises 110 proteins belonging to 13 venom protein families. The significant pharmacological activity is predominantly caused by the low molecular mass non-enzymatic Na+ and K+ ion channel toxins. Other minor toxins comprise 15.6% of the total venom proteome. Indian red scorpion stings induce the release of catecholamine, which leads to pathophysiological abnormalities in the victim. A strong correlation has been observed between venom proteome composition and local (swelling, redness, heat, and regional lymph node involvement) and systemic (tachycardia, mydriasis, hyperglycemia, hypertension, toxic myocarditis, cardiac failure, and pulmonary edema) manifestations. Immediate administration of antivenom is the preferred treatment for Indian red scorpion stings. However, scorpion-specific antivenoms have exhibited poor immunorecognition and neutralization of the low molecular mass toxins. The proteomic analysis also suggests that Indian red scorpion venom is a rich source of pharmacologically active molecules that may be envisaged as drug prototypes. The following review summarizes the progress made towards understanding the venom proteome of the Indian red scorpion and addresses the current understanding of the pathophysiology associated with its sting.
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Affiliation(s)
- Bhabana Das
- Department of Molecular Biology and Biotechnology, School of Sciences, Tezpur University, Tezpur, India
| | - Anthony J. Saviola
- Department of Biochemistry and Molecular Genetics, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Ashis K. Mukherjee
- Department of Molecular Biology and Biotechnology, School of Sciences, Tezpur University, Tezpur, India
- Institute of Advanced Study in Science and Technology, Guwahati, India
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7
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Krayem N, Gargouri Y. Scorpion venom phospholipases A2: A minireview. Toxicon 2020; 184:48-54. [DOI: 10.1016/j.toxicon.2020.05.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 05/07/2020] [Accepted: 05/24/2020] [Indexed: 01/10/2023]
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8
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Abreu CB, Bordon KCF, Cerni FA, Oliveira IS, Balenzuela C, Alexandre-Silva GM, Zoccal KF, Reis MB, Wiezel GA, Peigneur S, Pinheiro-Júnior EL, Tytgat J, Cunha TM, Quinton L, Faccioli LH, Arantes EC, Zottich U, Pucca MB. Pioneering Study on Rhopalurus crassicauda Scorpion Venom: Isolation and Characterization of the Major Toxin and Hyaluronidase. Front Immunol 2020; 11:2011. [PMID: 32973807 PMCID: PMC7468477 DOI: 10.3389/fimmu.2020.02011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Accepted: 07/24/2020] [Indexed: 01/01/2023] Open
Abstract
Scorpionism is responsible for most accidents involving venomous animals in Brazil, which leads to severe symptoms that can evolve to death. Scorpion venoms consist of complexes cocktails, including peptides, proteins, and non-protein compounds, making separation and purification procedures extremely difficult and time-consuming. Scorpion toxins target different biological systems and can be used in basic science, for clinical, and biotechnological applications. This study is the first to explore the venom content of the unexplored scorpion species Rhopalurus crassicauda, which inhabits exclusively the northernmost state of Brazil, named Roraima, and southern region of Guyana. Here, we pioneer the fractionation of the R. crassicauda venom and isolated and characterized a novel scorpion beta-neurotoxin, designated Rc1, and a monomeric hyaluronidase. R. crassicauda venom and Rc1 (6,882 Da) demonstrated pro-inflammatory activities in vitro and a nociceptive response in vivo. Moreover, Rc1 toxin showed specificity for activating Nav1.4, Nav1.6, and BgNav1 voltage-gated ion channels. This study also represents a new perspective for the treatment of envenomings in Roraima, since the Brazilian scorpion and arachnid antivenoms were not able to recognize R. crassicauda venom and its fractions (with exception of hyaluronidase). Our work provides useful insights for the first understanding of the painful sting and pro-inflammatory effects associated with R. crassicauda envenomings.
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Affiliation(s)
- Caio B Abreu
- Medical School, Federal University of Roraima, Boa Vista, Brazil
| | - Karla C F Bordon
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Felipe A Cerni
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Isadora S Oliveira
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Carla Balenzuela
- Medical School, Federal University of Roraima, Boa Vista, Brazil
| | | | | | - Mouzarllem B Reis
- Barão de Mauá University Center, Ribeirão Preto, Brazil.,Department of Clinical Analysis, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Gisele A Wiezel
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | | | | | - Jan Tytgat
- Toxicology and Pharmacology, KU Leuven, Leuven, Belgium
| | - Tiago M Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Loic Quinton
- Mass Spectrometry Laboratory, MolSys Research Unit, Liège Université, Liège, Belgium
| | - Lúcia H Faccioli
- Department of Clinical Analysis, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Eliane C Arantes
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
| | - Umberto Zottich
- Medical School, Federal University of Roraima, Boa Vista, Brazil
| | - Manuela B Pucca
- Medical School, Federal University of Roraima, Boa Vista, Brazil
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Cid-Uribe JI, Veytia-Bucheli JI, Romero-Gutierrez T, Ortiz E, Possani LD. Scorpion venomics: a 2019 overview. Expert Rev Proteomics 2019; 17:67-83. [DOI: 10.1080/14789450.2020.1705158] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Jimena I. Cid-Uribe
- Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Mexico
| | - José Ignacio Veytia-Bucheli
- Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Mexico
| | - Teresa Romero-Gutierrez
- Departamento de Ciencias Computacionales, Centro Universitario de Ciencias Exactas e Ingenierías, Universidad de Guadalajara, Guadalajara, Mexico
| | - Ernesto Ortiz
- Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Mexico
| | - Lourival D. Possani
- Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Mexico
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10
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Kazemi SM, Sabatier JM. Venoms of Iranian Scorpions (Arachnida, Scorpiones) and Their Potential for Drug Discovery. Molecules 2019; 24:molecules24142670. [PMID: 31340554 PMCID: PMC6680535 DOI: 10.3390/molecules24142670] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 07/16/2019] [Accepted: 07/20/2019] [Indexed: 12/19/2022] Open
Abstract
Scorpions, a characteristic group of arthropods, are among the earliest diverging arachnids, dating back almost 440 million years. One of the many interesting aspects of scorpions is that they have venom arsenals for capturing prey and defending against predators, which may play a critical role in their evolutionary success. Unfortunately, however, scorpion envenomation represents a serious health problem in several countries, including Iran. Iran is acknowledged as an area with a high richness of scorpion species and families. The diversity of the scorpion fauna in Iran is the subject of this review, in which we report a total of 78 species and subspecies in 19 genera and four families. We also list some of the toxins or genes studied from five species, including Androctonus crassicauda, Hottentotta zagrosensis, Mesobuthus phillipsi, Odontobuthus doriae, and Hemiscorpius lepturus, in the Buthidae and Hemiscorpiidae families. Lastly, we review the diverse functions of typical toxins from the Iranian scorpion species, including their medical applications.
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Affiliation(s)
- Seyed Mahdi Kazemi
- Zagros Herpetological Institute, No 12, Somayyeh 14 Avenue, 3715688415 Qom, Iran.
| | - Jean-Marc Sabatier
- Institute of NeuroPhysiopathology, UMR 7051, Faculté de Médecine Secteur Nord, 51, Boulevard Pierre Dramard-CS80011, 13344-Marseille Cedex 15, France
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A Novel Phospholipase A2 Isolated from Palythoa caribaeorum Possesses Neurotoxic Activity. Toxins (Basel) 2019; 11:toxins11020089. [PMID: 30717279 PMCID: PMC6409743 DOI: 10.3390/toxins11020089] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 01/17/2019] [Accepted: 01/24/2019] [Indexed: 11/16/2022] Open
Abstract
Zoanthids of the genus Palythoa are distributed worldwide in shallow waters around coral reefs. Like all cnidarians, they possess nematocysts that contain a large diversity of toxins that paralyze their prey. This work was aimed at isolating and functionally characterizing a cnidarian neurotoxic phospholipase named A2-PLTX-Pcb1a for the first time. This phospholipase was isolated from the venomous extract of the zoanthid Palythoa caribaeorum. This enzyme, which is Ca2+-dependent, is a 149 amino acid residue protein. The analysis of the A2-PLTX-Pcb1a sequence showed neurotoxic domain similitude with other neurotoxic sPLA2´s, but a different catalytic histidine domain. This is remarkable, since A2-PLTX-Pcb1a displays properties like those of other known PLA2 enzymes.
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12
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Native and recombinant phospholipases A2 of Scorpio maurus venom glands impair angiogenesis by targeting integrins α5β1 and αvβ3. Int J Biol Macromol 2018; 116:305-315. [DOI: 10.1016/j.ijbiomac.2018.04.141] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2017] [Revised: 04/25/2018] [Accepted: 04/26/2018] [Indexed: 12/11/2022]
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13
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Krayem N, Abdelkefi-Koubaa Z, Gargouri Y, Luis J. Integrin-mediated human glioblastoma cells adhesion, migration and invasion by native and recombinant phospholipases of Scorpio maurus venom glands. Arch Biochem Biophys 2018; 645:19-25. [DOI: 10.1016/j.abb.2018.03.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 02/21/2018] [Accepted: 03/12/2018] [Indexed: 02/08/2023]
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14
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Krayem N, Parsiegla G, Gaussier H, Louati H, Jallouli R, Mansuelle P, Carrière F, Gargouri Y. Functional characterization and FTIR-based 3D modeling of full length and truncated forms of Scorpio maurus venom phospholipase A 2. Biochim Biophys Acta Gen Subj 2018; 1862:1247-1261. [DOI: 10.1016/j.bbagen.2018.02.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 01/26/2018] [Accepted: 02/06/2018] [Indexed: 11/24/2022]
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15
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Anti-angiogenic effect of phospholipases A2 from Scorpio maurus venom glands on Human Umbilical Vein Endothelial Cells. Toxicon 2018; 145:6-14. [DOI: 10.1016/j.toxicon.2018.02.042] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 02/02/2018] [Accepted: 02/22/2018] [Indexed: 11/18/2022]
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16
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Baîram D, Aissa I, Louati H, Othman H, Abdelkafi-Koubaa Z, Krayem N, El Ayeb M, Srairi-Abid N, Marrakchi N, Gargouri Y. Biochemical and monolayer characterization of Tunisian snake venom phospholipases. Int J Biol Macromol 2016; 89:640-6. [PMID: 27164498 DOI: 10.1016/j.ijbiomac.2016.05.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 05/03/2016] [Accepted: 05/04/2016] [Indexed: 11/17/2022]
Abstract
The present study investigated the kinetic and interfacial properties of two secreted phospholipases isolated from Tunisian vipers'venoms: Cerastes cerastes (CC-PLA2) and Macrovipera lebetina transmediterranea (MVL-PLA2). Results show that these enzymes have great different abilities to bind and hydrolyse phospholipids. Using egg-yolk emulsions as substrate at pH 8, we found that MVL-PLA2 has a specific activity of 1473U/mg at 37°C in presence of 1mM CaCl2. Furthermore the interfacial kinetic and binding data indicate that MVL-PLA2 has a preference to the zwitterionic phosphatidylcholine monolayers (PC). Conversely, CC-PLA2 was found to be able to hydrolyse preferentially negatively charged head group phospholipids (PG and PS) and exhibits a specific activity 9 times more important (13333U/mg at 60°C in presence of 3mM CaCl2). Molecular models of both CC-PLA2 and MVL-PLA2 3D structures have been built and their electrostatic potentials surfaces have been calculated. A marked anisotropy of the overall electrostatic charge distribution leads to a significantly difference in the dipole moment intensity between the two enzymes explaining the great differences in catalytic and binding properties, which seems to be governed by the electrostatic and hydrophobic forces operative at the surface of the two phospholipases.
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Affiliation(s)
- Douja Baîram
- Institut Pasteur de Tunis, Laboratoire des Venins et Biomolécules Thérapeutiques LR11IPT08, 13, Place Pasteur, BP 74, 1002 Tunis-Belvédère, Tunisia; Université de Tunis El Manar, Tunisia
| | - Imen Aissa
- Laboratoire de Biochimie et de Génie Enzymatique des Lipases, Ecole Nationale d'Ingénieurs de Sfax (ENIS), Route de Soukra, BP 1173, 3038 Sfax, Tunisia; Université de Sfax, Tunisia
| | - Hanen Louati
- Laboratoire de Biochimie et de Génie Enzymatique des Lipases, Ecole Nationale d'Ingénieurs de Sfax (ENIS), Route de Soukra, BP 1173, 3038 Sfax, Tunisia; Université de Sfax, Tunisia
| | - Houcemeddine Othman
- Institut Pasteur de Tunis, Laboratoire des Venins et Biomolécules Thérapeutiques LR11IPT08, 13, Place Pasteur, BP 74, 1002 Tunis-Belvédère, Tunisia; Université de Tunis El Manar, Tunisia
| | - Zaineb Abdelkafi-Koubaa
- Institut Pasteur de Tunis, Laboratoire des Venins et Biomolécules Thérapeutiques LR11IPT08, 13, Place Pasteur, BP 74, 1002 Tunis-Belvédère, Tunisia; Université de Tunis El Manar, Tunisia
| | - Najeh Krayem
- Laboratoire de Biochimie et de Génie Enzymatique des Lipases, Ecole Nationale d'Ingénieurs de Sfax (ENIS), Route de Soukra, BP 1173, 3038 Sfax, Tunisia; Université de Sfax, Tunisia
| | - Mohamed El Ayeb
- Institut Pasteur de Tunis, Laboratoire des Venins et Biomolécules Thérapeutiques LR11IPT08, 13, Place Pasteur, BP 74, 1002 Tunis-Belvédère, Tunisia; Université de Tunis El Manar, Tunisia
| | - Najet Srairi-Abid
- Institut Pasteur de Tunis, Laboratoire des Venins et Biomolécules Thérapeutiques LR11IPT08, 13, Place Pasteur, BP 74, 1002 Tunis-Belvédère, Tunisia; Université de Tunis El Manar, Tunisia
| | - Naziha Marrakchi
- Institut Pasteur de Tunis, Laboratoire des Venins et Biomolécules Thérapeutiques LR11IPT08, 13, Place Pasteur, BP 74, 1002 Tunis-Belvédère, Tunisia; Université de Tunis El Manar, Tunisia
| | - Youssef Gargouri
- Laboratoire de Biochimie et de Génie Enzymatique des Lipases, Ecole Nationale d'Ingénieurs de Sfax (ENIS), Route de Soukra, BP 1173, 3038 Sfax, Tunisia; Université de Sfax, Tunisia.
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Tian Z, Li B, Guo L, Wu M, Fu T, Cheng H, Zhu H. Purification and biochemical characterization of a novel fibrinolytic enzyme, PSLTro01, from a medicinal animal Porcellio scaber Latreille. Int J Biol Macromol 2015; 80:536-46. [PMID: 26123818 DOI: 10.1016/j.ijbiomac.2015.06.046] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2015] [Revised: 06/20/2015] [Accepted: 06/23/2015] [Indexed: 11/17/2022]
Abstract
A novel protease, named PSLTro01, with fibrinolytic and anticoagulant activity was isolated from Porcellio scaber Latreille and was purified by a combination of hollow fibre membrane molecular weight cut-off (MWCO), ammonium sulfate fractionation, gel filtration and ion-exchange chromatography. PSLTro01 is a single-chain protein with a molecular mass of 38,497 Da as estimated by non-reduced SDS-PAGE and MALDI-TOF MS spectrometry, and its N-terminal 15 amino acid sequence was determined as DINGGGATLPQPLYQ. PSLTro01 is stable in the range of 20-40 °C and pH 6.0-10.0, with a maximum fibrinolytic activity at 40 °C and pH 7.0. The PSLTro01-induced fibrinolytic activity was not influenced by K(+) or Na(+) but was slightly increased by Mg(2+) and completely inhibited by aprotinin and pepstatin A. Fibrin plate assays revealed that PSLTro01 could not directly degrade fibrin but was a plasminogen activator. PSLTro01 exhibited high specificity for the substrate S-2251 for plasmin, followed by S-2238 for thrombin and S-2444 for urokinase. Moreover, the fibrinogenolysis pattern of PSLTro01 was Aα-chains>Bβ-chains>γ-chain. Tail-thrombus of the enzyme treated group was significantly shorter than the physiological saline treated group and the thrombus decrement was correlated with the enzyme dose. PSLTro01 prolongs both thrombin time (TT) and activated partial thromboplastin time (APTT). These results indicate that PSLTro01 may have potential applications in the prevention and treatment of thrombosis.
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Affiliation(s)
- Zhou Tian
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China; Key Laboratory of Separation Engineering for Chinese Medicine Compound, Nanjing University of Chinese Medicine, Nanjing 210029, China
| | - Bo Li
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China; Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine Prevention and Treatment of Tumor, Nanjing University of Chinese Medicine, Nanjing 210023, China; The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing 210046, China.
| | - Liwei Guo
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China; Key Laboratory of Separation Engineering for Chinese Medicine Compound, Nanjing University of Chinese Medicine, Nanjing 210029, China
| | - Mianhua Wu
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine Prevention and Treatment of Tumor, Nanjing University of Chinese Medicine, Nanjing 210023, China; The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing 210046, China.
| | - Tingming Fu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China; Key Laboratory of Separation Engineering for Chinese Medicine Compound, Nanjing University of Chinese Medicine, Nanjing 210029, China
| | - Haibo Cheng
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine Prevention and Treatment of Tumor, Nanjing University of Chinese Medicine, Nanjing 210023, China; The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing 210046, China
| | - Huaxu Zhu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China; Key Laboratory of Separation Engineering for Chinese Medicine Compound, Nanjing University of Chinese Medicine, Nanjing 210029, China
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18
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The transcriptome recipe for the venom cocktail of Tityus bahiensis scorpion. Toxicon 2015; 95:52-61. [DOI: 10.1016/j.toxicon.2014.12.013] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Revised: 12/13/2014] [Accepted: 12/27/2014] [Indexed: 12/23/2022]
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