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De Toni LGB, Menaldo DL, Cintra ACO, Figueiredo MJ, de Souza AR, Maximiano WMA, Jamur MC, Souza GEP, Sampaio SV. Inflammatory mediators involved in the paw edema and hyperalgesia induced by Batroxase, a metalloproteinase isolated from Bothrops atrox snake venom. Int Immunopharmacol 2015; 28:199-207. [PMID: 26072684 DOI: 10.1016/j.intimp.2015.06.001] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Revised: 05/15/2015] [Accepted: 06/01/2015] [Indexed: 12/15/2022]
Abstract
Snake venom metalloproteinases have been described as responsible for several inflammatory effects. In this study, we investigated the edema and hyperalgesia induced in rats by Batroxase, a P-I metalloproteinase from Bothrops atrox venom, along with possible inflammatory mediators involved in these responses. Batroxase or sterile saline was injected into rat paws and the edema and hyperalgesic effects were evaluated for 6h by using a plethysmometer and a Von Frey system, respectively. Batroxase induced significant edematogenic and hyperalgesic peak responses in the first hours after administration. The inflammatory mediators involved in these responses were assayed by pretreatment of animals with synthesis inhibitors or receptor antagonists. Peak responses were significantly reduced by administration of the glucocorticoid dexamethasone, the H1 receptor antagonist diphenhydramine and the FLAP inhibitor MK-886. Rat paws injected with compound 48/80, a mast cell degranulating agent, followed by Batroxase injection resulted in significant reduction of the edema and hyperalgesia. However, Batroxase itself induced minor degranulation of RBL-2H3 mast cells in vitro. Additionally, the inflammatory responses did not seem to be related to prostaglandins, bradykinin or nitric oxide. Our results indicate a major involvement of histamine and leukotrienes in the edema and hyperalgesia induced by Batroxase, which could be related, at least in part, to mast cell degranulation.
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Affiliation(s)
- Lanuze G B De Toni
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, USP, Ribeirão Preto-SP, Brazil
| | - Danilo L Menaldo
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, USP, Ribeirão Preto-SP, Brazil
| | - Adélia C O Cintra
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, USP, Ribeirão Preto-SP, Brazil
| | - Maria J Figueiredo
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, USP, Ribeirão Preto-SP, Brazil
| | - Anderson R de Souza
- Departamento de Biologia Celular e Molecular e Bioagentes Patogênicos, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto-SP, Brazil
| | - William M A Maximiano
- Departamento de Biologia Celular e Molecular e Bioagentes Patogênicos, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto-SP, Brazil
| | - Maria C Jamur
- Departamento de Biologia Celular e Molecular e Bioagentes Patogênicos, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto-SP, Brazil
| | - Glória E P Souza
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, USP, Ribeirão Preto-SP, Brazil
| | - Suely V Sampaio
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, USP, Ribeirão Preto-SP, Brazil.
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Abarema cochliacarpos extract decreases the inflammatory process and skeletal muscle injury induced by Bothrops leucurus venom. BIOMED RESEARCH INTERNATIONAL 2014; 2014:820761. [PMID: 25136627 PMCID: PMC4127289 DOI: 10.1155/2014/820761] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2014] [Revised: 04/20/2014] [Accepted: 05/11/2014] [Indexed: 12/18/2022]
Abstract
Snakebites are a public health problem, especially in tropical countries. However, treatment with antivenom has limited effectiveness against venoms' local effects. Here, we investigated the ability of Abarema cochliacarpos hydroethanolic extract (EAc) to protect mice against injection of Bothrops leucurus venom. Swiss mice received perimuscular venom injection and were subsequently treated orally with EAc in different doses. Treatment with EAc 100, 200, and 400 mg/kg reduced the edema induced by B. leucurus in 1%, 13%, and 39%, respectively. Although lower doses showed no antihypernociceptive effect in the Von Frey test, the higher dose significantly reduced hyperalgesia induced by the venom. Antimyotoxic activity of EAc was also observed by microscopy assessment, with treated muscles presenting preserved structures, decreased edema, and inflammatory infiltrate as compared to untreated ones. Finally, on the rotarod test, the treated mice showed better motor function, once muscle fibers were preserved and there were less edema and pain. Treated mice could stand four times more time on the rotating rod than untreated ones. Our results have shown that EAc presented relevant activities against injection of B. leucurus venom in mice, suggesting that it can be considered as an adjuvant in the treatment of envenomation.
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Nery MDDA, Aquino HDD, Ribeiro RDTM, Nery EDA, de Menezes DB, Ximenes RM, de Aquino AD, Bezerra LBM, Alves NTQ, Monteiro HSA. Edematogenic and myotoxic activities induced by snake venom of Philodryas nattereri from the Northeast of Brazil. ACTA ACUST UNITED AC 2014. [DOI: 10.2131/fts.1.7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Strauch MA, Tomaz MA, Monteiro-Machado M, Ricardo HD, Cons BL, Fernandes FFA, El-Kik CZ, Azevedo MS, Melo PA. Antiophidic activity of the extract of the Amazon plant Humirianthera ampla and constituents. JOURNAL OF ETHNOPHARMACOLOGY 2013; 145:50-58. [PMID: 23123799 DOI: 10.1016/j.jep.2012.10.033] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2012] [Revised: 10/18/2012] [Accepted: 10/19/2012] [Indexed: 06/01/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Although serotherapy against snakebite has been discovered more than one hundred years ago, antivenom is not available all over Brazil. The use of plants from folk medicine is common mainly in the Brazilian Amazon area. One of these plants is named Humirianthera ampla (HA). MATERIALS AND METHODS We have investigated HA extract and constituents' antiophidic activity in different experimental protocols against some Bothrops snake venoms (Bothrops jararacussu, Bothrops atrox and Bothrops jararaca). The protocols investigated include phospholipase, proteolytic, pro-coagulant, hemorrhagic, edematogenic and myotoxic activities induced by these venoms in Swiss mice. RESULTS All the venoms caused an increase in the rate of creatine kinase (CK) release from isolated muscles, indicating damage to the sarcolemma. The crude extract of HA decreased the myotoxic activity in a concentration-dependent fashion. The presence of HA 300 μg/mL decreased up to 96% of Bothrops jararacussu and 94% of Bothrops atrox myotoxicity after 90 min of exposure. In vivo myotoxicity of Bothrops atrox venom was decreased in 75% when the venom was preincubated with HA 500 mg/kg. Similar results were observed with lupeol against Bothrops jararacussu and Bothrops atrox venoms. The hemorrhagic activity was evaluated by intradermal injection of Bothrops atrox venom. Preincubation and oral pre- and posttreatment with HA decreased hemorrhage by 100%, 45% and 45%, respectively. Bothrops atrox venom also induced formation of edema, which was significantly inhibited by pre- and posttreatment with HA. All the venoms showed extensive pro-coagulating properties, and these activities were inhibited by up to 90% with HA, which presented concentration-dependent inhibition. Finally, proteolytic and phospholipase activities of the venoms were all inhibited by increasing concentrations of HA, lupeol and sitosterol. The inhibition of these activities might help explain the actions against in vivo myotoxicity and the in vivo effects observed, i.e., edema, myotoxicity, pro-coagulation and hemorrhage. CONCLUSIONS Altogether, our results give support for the popular use of HA extracts in cases of accidents with snakes, suggesting that it can be used as an adjunct in the management of venomous snakebites.
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Affiliation(s)
- Marcelo Abrahão Strauch
- Instituto de Ciências Biomédicas, Centro de Ciências da Saúde, Universidade Federal do Rio de Janeiro, Avenida Brigadeiro Trompowski, Rio de Janeiro, RJ 21941-590, Brazil
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Sebia-Amrane F, Laraba-Djebari F. Pharmaco-Modulations of Induced Edema and Vascular Permeability Changes by Vipera lebetina Venom: Inflammatory Mechanisms. Inflammation 2012; 36:434-43. [DOI: 10.1007/s10753-012-9563-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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Campos LB, Pucca MB, Roncolato EC, Netto JC, Barbosa JE. Analysis of phospholipase A2, L-amino acid oxidase, and proteinase enzymatic activities of the Lachesis muta rhombeata venom. J Biochem Mol Toxicol 2012; 26:308-14. [PMID: 22730029 DOI: 10.1002/jbt.21422] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2012] [Revised: 04/27/2012] [Accepted: 05/15/2012] [Indexed: 01/03/2023]
Abstract
The study of venom components is an important step toward understanding the mechanism of action of such venoms and is indispensable for the development of new therapies. This work aimed to investigate the venom of Lachesis muta rhombeata and evaluate enzymes related to its toxicity. Phospholipase A2 (PLA(2)), L-amino acid oxidase (LAAO), and proteinase activities were measured, and the molecular weights were estimated. We found the venom to contain one PLA(2) (17 kDa), one LAAO (132 kDa), and three serine proteinases (40, 31, and 20 kDa). Although only serine proteinases were observed in the zymogram, metalloproteinases were found to contribute more to the total proteolytic activity than did serine proteinases. The work confirmed the presence of highly active enzymes; and, moreover, we proposed a novel method for confirming the presence of LAAOs by zymography. We also suggested a simple step to increase the sensitivity of proteinase assays.
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Affiliation(s)
- Lucas Benício Campos
- Department of Biochemistry and Immunology, University of São Paulo at Ribeirão Preto School of Medicine 14049-900, Ribeirão Preto, Brazil
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Ferreira T, Camargo EA, Ribela MTC, Damico DC, Marangoni S, Antunes E, De Nucci G, Landucci EC. Inflammatory oedema induced by Lachesis muta muta (Surucucu) venom and LmTX-I in the rat paw and dorsal skin. Toxicon 2009; 53:69-77. [DOI: 10.1016/j.toxicon.2008.10.016] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2008] [Revised: 10/12/2008] [Accepted: 10/16/2008] [Indexed: 10/21/2022]
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Damico DCS, Nascimento JM, Lomonte B, Ponce-Soto LA, Joazeiro PP, Novello JC, Marangoni S, Collares-Buzato CB. Cytotoxicity of Lachesis muta muta snake (bushmaster) venom and its purified basic phospholipase A2 (LmTX-I) in cultured cells. Toxicon 2007; 49:678-92. [PMID: 17208264 DOI: 10.1016/j.toxicon.2006.11.014] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2006] [Revised: 11/07/2006] [Accepted: 11/13/2006] [Indexed: 10/23/2022]
Abstract
Human envenoming by Lachesis muta muta venom, although infrequent, is rather severe, being characterized by pronounced local tissue damage and systemic dysfunctions. Studies on the pharmacological actions of L. m. muta venom are relatively scant and the direct actions of the crude venom and its purified phospholipase A(2) (PLA(2)) have not been addressed using in vitro models. In this work, we investigated the cytotoxicity of L. m. muta venom and its purified PLA(2) isoform LmTX-I in cultured Madin-Darby canine kidney (MDCK) and in a skeletal muscle (C2C12) cell lines. As revealed by neutral red dye uptake assay, the crude venom (10 or 100 microg/ml) induced a significant decrease in cell viability of MDCK cells. LmTX-I at the concentrations tested (70-270 microg/ml or 5-20 microM) displayed no cytotoxicity in both MDCK and C2C12 cell lines. Morphometric analysis of Feulgen nuclear reaction revealed a significant increase in chromatin condensation (pyknosis), apparent reduction in the number of mitotic nuclei and nuclear fragmentation of some MDCK cells after incubation with L. m. muta venom. Monolayer exposure to crude venom resulted in morphological changes as assessed by scanning electron microscopy. The staining with TRITC-labelled phalloidin showed a marked disarray of the actin stress fiber following L. m. muta venom exposure. In contrast, LmTX-I had no effect on nucleus and cell morphologies as well as on stress fiber organization. These results indicate that L. m. muta venom exerts toxic effects on cultured MDCK cells. The LmTX-I probably does not contribute per se to the direct venom cytotoxicity, these effects are mediated by metalloproteinases/disintegrins and other components of the venom.
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Affiliation(s)
- Daniela C S Damico
- Department of Biochemistry, Institute of Biology, State University of Campinas, PO Box 6109, CEP 13083-970 Campinas, SP, Brazil
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Barbosa AM, do Amaral RO, Teixeira CFP, Hyslop S, Cogo JC. Pharmacological characterization of mouse hind paw oedema induced by Bothrops insularis (jararaca ilhoa) snake venom. Toxicon 2003; 42:515-23. [PMID: 14529733 DOI: 10.1016/s0041-0101(03)00230-7] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Bothrops snake venoms produce marked local effects, including oedema, haemorrhage and necrosis. The ability of Bothrops insularis venom to induce oedema in mice was investigated. Venom was injected into hind paws and the change in volume over time was measured by plethysmometry. B. insularis venom (0.01-2.5 microg/paw) induced paw oedema which, at high doses (>/=0.5 microg/paw), was accompanied by haemorrhage. The peak oedematogenic response occurred 3 h after venom injection with all doses and decreased gradually thereafter, but was still elevated with high doses after 24 h. Pretreating the mice with cyproheptadine (histamine H(1) and serotonin 5-HT(2) receptor antagonist), mepyramine (histamine H(1) receptor antagonist), L-NAME (inhibitor of nitric oxide synthase), indomethacin and rofecoxib (inhibitors of cyclooxygenases), and dexamethasone (indirect inhibitor of PLA(2)) significantly attenuated venom-induced oedema, whereas methysergide, a serotonin 5-HT(1)/5-HT(2) receptor antagonist, had no effect. The administration of antivenom 30 min before or immediately after venom injection also significantly inhibited venom-induced oedema. These results show that B. insularis venom causes oedema in the mouse hind paw and that this response is mediated by histamine, nitric oxide, and arachidonic acid metabolites formed by cyclooxygenases 1 and 2. The neutralization by commercial antivenom indicates that the venom components responsible for oedema are recognized by the antivenom and share immunological identity with their counterparts in the venoms of mainland Bothrops species.
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Affiliation(s)
- Ana M Barbosa
- Serpentário do Centro de Estudos da Natureza, Instituto de Pesquisa e Desenvolvimento, Universidade do Vale do Paraíba (UNIVAP), Avenida Shishima Hifumi 2911, Urbanova, São José dos Campos 12244-000, SP, Brazil
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Fuly AL, de Miranda ALP, Zingali RB, Guimarães JA. Purification and characterization of a phospholipase A2 isoenzyme isolated from Lachesis muta snake venom. Biochem Pharmacol 2002; 63:1589-97. [PMID: 12007562 DOI: 10.1016/s0006-2952(02)00873-0] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new phospholipase A2 (PLA2) isoenzyme was isolated from Lachesis muta crude venom, and was named LM-PLA2-II. This enzyme was purified by gel filtration on a Sephacryl S-200 HR column followed by reverse-phase chromatography on a C2/C18 column. LM-PLA2-II consists of a single polypeptide chain with an apparent molecular mass of 18 kDa and an isoelectric point at pH 5.4. The amino terminal sequence of the enzyme revealed a high degree of homology with other PLA2s from several sources. LM-PLA2-II has a high indirect hemolytic activity and a potent inhibitory effect on platelet aggregation induced by ADP and collagen. It also produces a significant paw edema reaction in rats. The edematous response in rats was abolished by pretreatment with either indomethacin or dexamethasone, suggesting the involvement of cyclo-oxygenase. Pretreatment of LM-PLA2-II with p-bromophenacyl bromide abolished all of these actions, clearly indicating that the biological activities, including the edematogenic effect, are dependent entirely on its enzymatic activity.
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Affiliation(s)
- André L Fuly
- Departamento de Bioquímica Médica, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, RJ, Rio de Janeiro, Brazil
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Linardi A, Costa SK, da Silva GR, Antunes E. Involvement of kinins, mast cells and sensory neurons in the plasma exudation and paw oedema induced by staphylococcal enterotoxin B in the mouse. Eur J Pharmacol 2000; 399:235-42. [PMID: 10884525 DOI: 10.1016/s0014-2999(00)00375-7] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Intraplantar injection of staphylococcal enterotoxin B induces long-lasting oedema mediated by both cyclooxygenase and lipoxygenase products as well as by neuropeptides from sensory nerves. This study was undertaken to further clarify the role of peripheral primary afferent sensory nerves in staphylococcal enterotoxin B (25 microg/paw)-induced plasma extravasation and oedema formation. The tachykinin NK(1) receptor antagonist (S)-1-[2-[3-(3, 4-dichlorophenyl)-1 (3-isopropoxyphenylacetyl)piperidin-3-yl] ethyl]-4-phenyl-1 azoniabicyclo [2.2.2]octane cloride (SR140333; 120 nmol/kg, s.c.+120 nmol/kg, i.v.) significantly inhibited plasma exudation and paw oedema evoked by staphylococcal enterotoxin B. The tachykinin NK(2) receptor antagonist (S)-N-methyl-N[4-(4-acetylamino-4-phenyl piperidino)-2-(3, 4-dichlorophenyl)butyl]-benzamide (SR48968) had no effect on the staphylococcal enterotoxin B-induced responses. The bradykinin B(2) receptor antagonist D-Arg-[Hyp(3),Thi(5),D-Tic(7),Oic(8)]bradykinin (Hoe 140; 400 nmol/kg, i.v.) significantly reduced staphylococcal enterotoxin B-induced responses. The magnitude of the inhibition observed with Hoe 140 alone was similar to that caused by concomitant treatment of animals with SR140333 and Hoe 140, suggesting that there is a final common pathway. Additionally, SR140333 given alone reduced bradykinin (3 nmol/paw)-induced paw oedema. The vanilloid receptor antagonist N-[2-(4-chlorophenyl) ethyl]-1,3,4,5-tetrahydro-7, 8-dihydroxy-2H-2-benzazepine-2-carbothioamide (capsazepine; 100 micromol/kg) significantly reduced staphylococcal enterotoxin B-induced responses. The 5-HT receptor antagonist methysergide (10 mg/kg, i.v.) and the histamine H(1) receptor antagonist mepyramine (10 mg/kg, i.v.) produced a significant reduction in paw oedema whereas plasma exudation was reduced only by methysergide. In diabetic mice, exudation and oedema evoked by staphylococcal enterotoxin B were markedly reduced. Acute administration of insulin (20 UI/kg, s.c., 30 min before) did not restore the increased permeability induced by staphylococcal enterotoxin B. We conclude that plasma exudation and paw oedema in response to staphylococcal enterotoxin B are a consequence of a complex neurogenic response involving direct activation of vanilloid receptors on sensory nerves, release of kinins and subsequent activation of bradykinin B(2) receptors at a prejunctional level, and direct or indirect degranulation of mast cells.
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Affiliation(s)
- A Linardi
- Department of Pharmacology, Faculty of Medical Sciences, UNICAMP, PO Box 6111, 13081-970, (SP), Campinas, Brazil
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Rucavado A, Flores-Sánchez E, Franceschi A, Magalhaes A, Gutiérrez JM. Characterization of the local tissue damage induced by LHF-II, a metalloproteinase with weak hemorrhagic activity isolated from Lachesis muta muta snake venom. Toxicon 1999; 37:1297-312. [PMID: 10400290 DOI: 10.1016/s0041-0101(98)00268-2] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Local tissue damage induced by LHF-II, a 22-kDa hemorrhagic metalloproteinase from Lachesis muta venom was studied. Intravital microscopy experiments evidenced hemorrhagic events 2 min after LHF-II application onto cremaster muscle, characterized by microhemorrhages in capillary vessels and venules. However, histological analysis showed only mild hemorrhage in the gastrocnemius muscle. LHF-II degraded laminin, fibronectin and type IV collagen upon incubation in vitro, but was not cytotoxic to capillary endothelial cells in culture. Intramuscular injection of LHF-II induced a mild myonecrosis, with early small increments in plasma creatine kinase activity. It also induced edema in the mouse footpad at doses where hemorrhage is absent. Injection of LHF-II induced the synthesis of matrix metalloproteinases evidenced in muscle homogenates and in exudate samples. It is concluded that LHF-II has weak hemorrhagic and myotoxic activities, and that its role in the pathogenesis of L. muta-induced local tissue damage is associated with edema formation and degradation of extracellular matrix components, either directly or by activation of endogenous matrix metalloproteinases.
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Affiliation(s)
- A Rucavado
- Instituto Clodomiro Picado, Facultad de Microbiologia, Universidad de Costa Rica, San José.
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