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Ferreira I, Oliveira I, Bordon K, Reis M, Wiezel G, Sanchez C, Santos L, Santos-Filho N, Pucca M, Antunes L, Lopes D, Arantes E. Beyond Angiogenesis: The Multitasking Approach of the First PEGylated Vascular Endothelial Growth Factor ( CdtVEGF) from Brazilian Rattlesnake Venom. Toxins (Basel) 2023; 15:483. [PMID: 37624240 PMCID: PMC10467076 DOI: 10.3390/toxins15080483] [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: 06/12/2023] [Revised: 07/27/2023] [Accepted: 07/28/2023] [Indexed: 08/26/2023] Open
Abstract
A pioneering study regarding the isolation, biochemical evaluation, functional assays and first PEGylation report of a novel vascular endothelial growth factor from Crotalus durissus terrificus venom (CdtVEGF and PEG-CdtVEGF). CdtVEGF was isolated from crude venom using two different chromatographic steps, representing 2% of soluble venom proteins. Its primary sequence was determined using mass spectrometry analysis, and the molecule demonstrated no affinity to heparin. The Brazilian crotalid antivenom recognized CdtVEGF. Both native and PEGylated CdtVEGF were able to induce new vessel formation and migration, and to increase the metabolic activity of human umbilical endothelial vascular cells (HUVEC), resulting in better wound closure (~50% within 12 h) using the native form. CdtVEGF induced leukocyte recruitment to the peritoneal cavity in mice, with a predominance of neutrophil influx followed by lymphocytes, demonstrating the ability to activate the immune system. The molecule also induced a dose-dependent increase in vascular permeability, and PEG-CdtVEGF showed less in vivo inflammatory activity than CdtVEGF. By unraveling the intricate properties of minor components of snake venom like svVEGF, this study illuminates the indispensable significance of exploring these molecular tools to unveil physiological and pathological processes, elucidates the mechanisms of snakebite envenomings, and could possibly be used to design a therapeutic drug.
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Affiliation(s)
- Isabela Ferreira
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of Sao Paulo, Ribeirao Preto 14040-903, SP, Brazil
| | - Isadora Oliveira
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of Sao Paulo, Ribeirao Preto 14040-903, SP, Brazil
| | - Karla Bordon
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of Sao Paulo, Ribeirao Preto 14040-903, SP, Brazil
| | - Mouzarllem Reis
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of Sao Paulo, Ribeirao Preto 14040-903, SP, Brazil
| | - Gisele Wiezel
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of Sao Paulo, Ribeirao Preto 14040-903, SP, Brazil
| | - Caroline Sanchez
- Department of Clinical Analysis, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto 14040-903, SP, Brazil
| | - Luísa Santos
- Institute Multidisciplinary in Health, Federal University of Bahia, Vitoria da Conquista 40110-909, BA, Brazil
| | - Norival Santos-Filho
- Department of Biochemistry and Organic Chemistry, Chemistry Institute, Sao Paulo State University (UNESP), Araraquara 14800-901, SP, Brazil
| | - Manuela Pucca
- Department of Clinical Analysis, Sao Paulo State University (UNESP) Araraquara 14800-901, SP, Brazil
| | - Lusânia Antunes
- Department of Clinical Analysis, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto 14040-903, SP, Brazil
| | - Daiana Lopes
- Institute Multidisciplinary in Health, Federal University of Bahia, Vitoria da Conquista 40110-909, BA, Brazil
| | - Eliane Arantes
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of Sao Paulo, Ribeirao Preto 14040-903, SP, Brazil
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Boussag-Abib L, Laraba-Djebari F. Long-term antibody response and protective effect induced by attenuated scorpion toxins: Involvement of memory plasma cells. Immunobiology 2021; 226:152108. [PMID: 34247017 DOI: 10.1016/j.imbio.2021.152108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 04/21/2021] [Accepted: 05/29/2021] [Indexed: 10/20/2022]
Abstract
In Algeria, Androctonus australis hector scorpion envenomation remains a major problem of public health because of non-efficient therapy. The development of safe vaccine against scorpion venom could be one key strategy for the envenomation prevention. The irradiation of venom by γ-rays develops suitable immunogens which produced effective antivenom and safe vaccine. In this study, we investigated the ability of the irradiated toxic fraction (γ-FtoxG50) to induce long-term memory humoral response in immunized animals (mice and rabbits), by involving the long-lived plasma cells to prevent efficiently the lethality of scorpion envenomation. For this purpose, an appropriate immunization schedule was established in mice and rabbits using three (3) similar doses of γ-FtoxG50 associated with Alum adjuvant. Obtained results indicate that the long-term immunogenicity of γ-FtoxG50 is able to induce the long-term memory humoral response with a high level of specific antibodies. The long-term persistence of antibody levels could depend on bone marrow memory plasma cells. These cells produce continuously antibodies without antigen stimulus. Furthermore, an enhanced memory response was obtained post-repeated envenomation with toxic native venom that leads to improved protection of animals. Together, pre-existing protective antibodies and the activation of memory B-cells could induce a rapid neutralization of scorpion toxins and long-term protection against scorpion envenomation.
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Affiliation(s)
- Lila Boussag-Abib
- USTHB, Faculty of Biological Sciences, Laboratory of Cellular and Molecular Biology, BP 32 El-Alia, Bab Ezzouar, Algiers, Algeria
| | - Fatima Laraba-Djebari
- USTHB, Faculty of Biological Sciences, Laboratory of Cellular and Molecular Biology, BP 32 El-Alia, Bab Ezzouar, Algiers, Algeria.
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Involvement of Toll-like Receptor 4 in Neutrophil-Mediated Inflammation, Oxidative Stress and Tissue Damage Induced by Scorpion Venom. Inflammation 2020; 43:155-167. [PMID: 31654297 DOI: 10.1007/s10753-019-01105-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Systemic inflammatory response and generation of oxidative stress are known to contribute to scorpion venom-induced tissue damage. TLR receptors might represent a link between oxidative stress and inflammation; we therefore investigated whether or not TLR4 is involved in venom-induced immunopathology. The obtained results showed that pharmacological targeting of TLR4 with the selective inhibitor TAK-242 (Resatorvid) prevents the inflammatory response induced by subcutaneous administration of Androctonus australis hector (Aah) venom, as revealed by a significant decrease of neutrophil cell count in peripheral blood associated with significant decline of neutrophil degranulation and sequestration to the lung, liver, and kidney tissues. Moreover, TAK-242 administration inhibited nitrite levels increase in serum, malondialdehyde (MDA), and protein carbonyl tissue contents concomitantly with a significant increase of catalase activity and reduced glutathione (GSH) level in tissue homogenates. Furthermore, venom-induced increases in serum levels of organ dysfunction markers (lactate deshydrogenase, aminotransferase ALT and AST, creatinine and urea) were also significantly suppressed by pre-treatment with TLR4 inhibitor, concordantly with a remarkable improvement in the histological features in lung and liver tissues. The results of the present study indicate the potential role of TLR4 in venom-induced immunopathology and show the in vivo requirement of TLR4 signaling in mediating venom-induced tissue damage.
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Daachi F, Adi-Bessalem S, Megdad-Lamraoui A, Laraba-Djebari F. Immune-toxicity effects of scorpion venom on the hypothalamic pituitary adrenal axis during rest and activity phases in a rodent model. Comp Biochem Physiol C Toxicol Pharmacol 2020; 235:108787. [PMID: 32380264 DOI: 10.1016/j.cbpc.2020.108787] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 04/23/2020] [Accepted: 04/28/2020] [Indexed: 12/19/2022]
Abstract
Scorpion venom is a complex mixture of peptides and proteins, rich in toxins. Its toxicological effects are related to central disruptions and autonomic disturbances, organ failure, as well as an excessive systemic inflammatory response. Since the role of the hypothalamic pituitary adrenal (HPA) axis is central in the neuroendocrine-immunological axis, the purpose of this study was, therefore, to examine the immunotoxic effect of Androctonus australis hector (Aah) venom on HPA-axis in synchronised-mice model. Taking into account the circadian activity of the HPA-axis, the variations of adrenocorticotropic hormone and corticosterone plasma levels, oxidative stress as well as inflammatory markers in cerebral, hypothalamic and adrenal tissue homogenates were investigated during the rest and activity phases of animals. Histopathology study was also performed. Results showed that Aah venom activated the HPA axis. This response seems to be dependent on time of envenomation, as a higher hormone levels were more operative during the active phase than in the rest phase when compared to time-matched control. The local toxicity-effects following Aah envenomation revealed an imbalance in oxidative stress with a higher antioxidant defences in darkness hypothalamic and cerebral tissues. Furthermore, there were significantly higher levels in vascular permeability in hypothalamic and cerebral tissues accompanied by a concomitant increase in immune-cell infiltration and/or activation as shown by expression of CD68 and myeloperoxidase activity during the active phase compared with the rest phase. Overall results suggested that Aah venom had a toxic impact on different HPA-axis areas and the effect varies according to the time of envenomation.
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Affiliation(s)
- Fares Daachi
- USTHB, Faculty of Biological Sciences, Laboratory Cellular and Molecular Biology, Department Cellular and Molecular Biology, BP32, EL Alia, Bab Ezzouar 16111, Algiers, Algeria
| | - Sonia Adi-Bessalem
- USTHB, Faculty of Biological Sciences, Laboratory Cellular and Molecular Biology, Department Cellular and Molecular Biology, BP32, EL Alia, Bab Ezzouar 16111, Algiers, Algeria
| | - Amal Megdad-Lamraoui
- USTHB, Faculty of Biological Sciences, Laboratory Cellular and Molecular Biology, Department Cellular and Molecular Biology, BP32, EL Alia, Bab Ezzouar 16111, Algiers, Algeria
| | - Fatima Laraba-Djebari
- USTHB, Faculty of Biological Sciences, Laboratory Cellular and Molecular Biology, Department Cellular and Molecular Biology, BP32, EL Alia, Bab Ezzouar 16111, Algiers, Algeria.
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Nait Mohamed FA, Laraba-Djebari F. Scorpion envenomation: a deadly illness requiring an effective therapy. TOXIN REV 2020. [DOI: 10.1080/15569543.2020.1800746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
| | - Fatima Laraba-Djebari
- USTHB, Faculty of Biological Sciences, Laboratory of Cellular and Molecular Biology, Algiers, Algeria
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da Mata ECG, Ombredane A, Joanitti GA, Kanzaki LIB, Schwartz EF. Antiretroviral and cytotoxic activities of Tityus obscurus synthetic peptide. Arch Pharm (Weinheim) 2020; 353:e2000151. [PMID: 32686134 DOI: 10.1002/ardp.202000151] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 06/19/2020] [Accepted: 06/25/2020] [Indexed: 11/09/2022]
Abstract
New drugs are constantly in demand, and nature's biodiversity is a rich source of new compounds for therapeutic applications. Synthetic peptides based on the transcriptome analysis of scorpion venoms of Tityus obscurus, Opisthacanthus cayaporum, and Hadrurus gertschi were assayed for their cytotoxic and antiretroviral activity. The Tityus obscurus scorpion-derived synthetic peptide (FFGTLFKLGSKLIPGVMKLFSKKKER), in concentrations ranging from 6.24 to 0.39 μM, proved to be the most active one against simian immunodeficiency virus (SIV) replication in the HUT-78 cell line and in primary human leukocytes, with the lowest toxicity for these cells. The immune cellular response evaluated in primary human leukocytes treated with the most promising peptide and challenged with SIV infection exhibited production of cytokines such as interleukin (IL)-4, IL-6, IL-8, IL-10, and interferon-γ, which could be involved in cell defense mechanisms to overcome viral infection through proinflammatory and anti-inflammatory pathways, similar to those evoked for triggering the mechanisms exerted by antiviral restriction factors.
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Affiliation(s)
- Elida C G da Mata
- Laboratory of Bioprospection, Faculty of Health Sciences, University of Brasilia, Brasilia, Brazil.,Laboratory of Neuropharmacology, Institute of Biological Sciences, University of Brasilia, Brasilia, Brazil
| | - Alicia Ombredane
- Laboratory of Bioactive Compounds and Nanobiotechnology, Faculty of Ceilandia, University of Brasilia, Brasilia, Brazil
| | - Graziella A Joanitti
- Laboratory of Bioactive Compounds and Nanobiotechnology, Faculty of Ceilandia, University of Brasilia, Brasilia, Brazil
| | - L I B Kanzaki
- Laboratory of Bioprospection, Faculty of Health Sciences, University of Brasilia, Brasilia, Brazil
| | - Elisabeth F Schwartz
- Laboratory of Neuropharmacology, Institute of Biological Sciences, University of Brasilia, Brasilia, Brazil
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Martin-Eauclaire MF, Adi-Bessalem S, Hammoudi-Triki D, Laraba-Djebari F, Bougis PE. Serotherapy against Voltage-Gated Sodium Channel-Targeting αToxins from Androctonus Scorpion Venom. Toxins (Basel) 2019; 11:toxins11020063. [PMID: 30678116 PMCID: PMC6410273 DOI: 10.3390/toxins11020063] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 01/18/2019] [Accepted: 01/21/2019] [Indexed: 12/12/2022] Open
Abstract
Because of their venom lethality towards mammals, scorpions of the Androctonus genus are considered a critical threat to human health in North Africa. Several decades of exploration have led to a comprehensive inventory of their venom components at chemical, pharmacological, and immunological levels. Typically, these venoms contain selective and high affinity ligands for the voltage-gated sodium (Nav) and potassium (Kv) channels that dictate cellular excitability. In the well-studied Androctonus australis and Androctonus mauretanicus venoms, almost all the lethality in mammals is due to the so-called α-toxins. These peptides commonly delay the fast inactivation process of Nav channels, which leads to increased sodium entry and a subsequent cell membrane depolarization. Markedly, their neutralization by specific antisera has been shown to completely inhibit the venom’s lethal activity, because they are not only the most abundant venom peptide but also the most fatal. However, the structural and antigenic polymorphisms in the α-toxin family pose challenges to the design of efficient serotherapies. In this review, we discuss past and present accomplishments to improve serotherapy against Androctonus scorpion stings.
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Affiliation(s)
| | - Sonia Adi-Bessalem
- Laboratory of Cellular and Molecular Biology, Faculty of Biological Sciences, USTHB, BP 32, El-Alia Bab Ezzouar, 16111 Algiers, Algeria.
| | - Djelila Hammoudi-Triki
- Laboratory of Cellular and Molecular Biology, Faculty of Biological Sciences, USTHB, BP 32, El-Alia Bab Ezzouar, 16111 Algiers, Algeria.
| | - Fatima Laraba-Djebari
- Laboratory of Cellular and Molecular Biology, Faculty of Biological Sciences, USTHB, BP 32, El-Alia Bab Ezzouar, 16111 Algiers, Algeria.
| | - Pierre E Bougis
- Laboratory of Cognitive Neuroscience, CNRS, Aix Marseille Univ, UMR 7291, 13003 Marseille, France.
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TNF-α antagonist improves oxidative stress and lipid disorders induced by scorpion venom in the intestinal tissue. Acta Trop 2018; 185:307-313. [PMID: 29909063 DOI: 10.1016/j.actatropica.2018.06.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 06/12/2018] [Accepted: 06/13/2018] [Indexed: 11/22/2022]
Abstract
We previously reported that Androctonus australis hector (Aah) venom induces inflammation in several tissues, however limited information is available on its role in gastrointestinal tract. Here we evaluate the involvement of TNF-α in lipid metabolism in the small intestine after Aah envenomation. To address these issues, NMRI mice (3-month-old) were pre-treated with a TNF-α antagonist, 30 min prior to Aah venom injection. Redox status, cytotoxicity and histopathological changes were analyzed in small intestine 3 and 24 h after Aah injection. Lipid metabolism was evaluated through lipid tolerance test in sera. Lipid content in small intestine was also evaluated at different times after envenomation. Obtained results showed that Aah venom affects the intestinal integrity. This cytotoxicity could be associated with lipid peroxidation and altered or insufficient antioxidant system. These results also highlight the perturbation of lipid absorption in intestine tissue of envenomed mice. The use of TNF-α antagonist prior to Aah venom injection seems to be able to improve lipid profile, oxidative stress and antioxidant activity. These findings suggest that Aah venom induces lipid alterations in the intestinal tissue mechanisms involving of TNF- α.
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Involvement of Alveolar Macrophages and Neutrophils in Acute Lung Injury After Scorpion Envenomation: New Pharmacological Targets. Inflammation 2018; 41:773-783. [DOI: 10.1007/s10753-018-0731-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Miyamoto JG, Andrade FB, Ferraz CR, Cândido DM, Knysak I, Venancio ÉJ, Verri WA, Landgraf MA, Landgraf RG, Kwasniewski FH. A comparative study of pathophysiological alterations in scorpionism induced by Tityus serrulatus and Tityus bahiensis venoms. Toxicon 2018; 141:25-33. [DOI: 10.1016/j.toxicon.2017.11.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 10/31/2017] [Accepted: 11/18/2017] [Indexed: 12/21/2022]
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Switch of Steady-State to an Accelerated Granulopoiesis in Response to Androctonus australis hector Venom. Inflammation 2017; 40:871-883. [DOI: 10.1007/s10753-017-0532-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Liu X, Li R, Chen S, Sang Y, Zhao J. Screening of inherited metabolic abnormalities in 56 children with intractable epilepsy. Exp Ther Med 2016; 12:135-140. [PMID: 27347028 PMCID: PMC4907171 DOI: 10.3892/etm.2016.3260] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Accepted: 04/14/2016] [Indexed: 12/18/2022] Open
Abstract
Epilepsy is a common children's neural disease that is largely controlled by anti-epileptic drugs. Nevertheless, children experience repeated attacks that develop into intractable epilepsy (IE). The aim of the present study was to examine the inherited metabolic abnormalities in children with IE to provide early etiological and symptomatic treatment. Urine and blood samples of 56 children with IE served as the experimental group and 56 cases of children with IE, who were successfully treated served as the control group, and analyzed by gas chromatography-mass spectrometry and tandem mass spectrometry for the metabolic screening of amino, organic, and fatty acids. Urine routine, hepatic function, blood biochemistry, imageology of encephalon and brain stem-evoked potential (auditory and optical) were also examined. Of the 27 IE children confirmed as abnormal in urine and blood screening, there were 19 cases (70.3%) of hypoevolutism or retrogression of intelligence and motor function, 15 cases (55.5%) of brain stem-evoked potential and of encephalic computed tomography (CT) or magnetic resonance imaging (MRI) abnormality, 6 cases (22.2%) of abnormal family history and of abnormal blood biochemistry and blood gas analysis, and 5 cases (18.5%) with skin change and of abnormal hepatic function. Of the 27 cases, 11 cases (19.6%) were diagnosed with inherited metabolic diseases. Among the children in the control group, 3 cases showed abnormal urine test results, one of which had family history, one had hypoevolutism or retrogression of intelligence and motor function, one had brain stem-evoked potential and encephalic CT or MRI abnormality, while two of the 3 cases had inherited metabolic abnormalities. The correlation analysis revealed that abnormal urine test was significantly correlated with inherited metabolic abnormalities (P<0.05). Of the 56 IE patients, 25 cases (44.6%) were identified as abnormal under urine screening, and of the 25 cases, 6 cases had simple generalized seizure (24.0%), 5 cases had simple partial seizure (20.0%), 2 cases had multiple types of seizure (8.0%), and 12 cases had infantile spasms (48.0%). Six cases in the control group showed an abnormal urine test, with 3 cases of simple generalized seizure, 2 cases of simple partial seizure and 1 case of multiple types of seizure. The abnormal urine in infantile spasms was often the risk factor of IE. A total of 46 IE children underwent blood screening and 13 cases were diagnosed as abnormal. In conclusion, inherited metabolic abnormality was a common influential factor in the pathogenesis of IE, especially in infantile spasms. Screening of inborn metabolic abnormality in children with IE should be conducted as early as possible, to achieve early treatment and improve their prognosis.
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Affiliation(s)
- Xiaoming Liu
- Department of Neurology, Xuzhou Children's Hospital, Xuzhou, Jiangsu 221002, P.R. China
| | - Rui Li
- Department of Neurology, Xuzhou Children's Hospital, Xuzhou, Jiangsu 221002, P.R. China
| | - Shengzhi Chen
- Department of Neurology, Xuzhou Children's Hospital, Xuzhou, Jiangsu 221002, P.R. China
| | - Yan Sang
- Department of Neurology, Xuzhou Children's Hospital, Xuzhou, Jiangsu 221002, P.R. China
| | - Jiaqiang Zhao
- Department of Neurology, Xuzhou Children's Hospital, Xuzhou, Jiangsu 221002, P.R. China
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Bernardes CP, Menaldo DL, Mamede CC, Zoccal KF, Cintra AC, Faccioli LH, Stanziola L, de Oliveira F, Sampaio SV. Evaluation of the local inflammatory events induced by BpirMP, a metalloproteinase from Bothrops pirajai venom. Mol Immunol 2015; 68:456-64. [DOI: 10.1016/j.molimm.2015.09.023] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Revised: 09/25/2015] [Accepted: 09/26/2015] [Indexed: 01/13/2023]
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