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Acute physiopathological effects of honeybee (Apis mellifera) envenoming by subcutaneous route in a mouse model 

Prado Porras, Mónica; Solano Trejos, María Gabriela; Lomonte, Bruno (2010)
Bee stings are a health concern in the Americas, where fatal envenomings due to massive attacks by Africanized honeybees have been documented in the last decades. Most studies on the toxic effects of honeybee venom in ...
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Susceptibilidad de Trypanosoma cruzi a diferentes venenos de serpientes de Costa Rica
Susceptibility of Trypanosoma cruzi to different Costa Rican snake venoms 

Castillo Vigil, Amparo; Loaiza Montoya, Randall; Zeledón Araya, Rodrigo; Lomonte, Bruno; Urbina Villalobos, Andrea María; Valverde Rojas, Berta E. (2008)
Se evaluaron los efectos tóxicos de los venenos de cinco serpientes costarricenses en cuanto a su capacidad tripanocida contra dos cepas de Trypanosoma cruzi y sus efectos en cuanto a los mecanismos de muerte celular. ...

Ability of fucoidan to prevent muscle necrosis induced by snake venom myotoxins: comparison of high- and low-molecular weight fractions 

Azofeifa Chinchilla, Karol; Angulo Ugalde, Yamileth; Lomonte, Bruno (2008)
Fucoidan, a natural polysaccharide extracted from brown seaweed, inhibits the myotoxic phospholipases A2 present in the venoms of crotalid snakes. This study evaluated the influence of molecular weight on the ability of ...

Differential susceptibility of C2C12 myoblasts and myotubes to group II phospholipase A2 myotoxins from crotalid snake venoms 

Angulo Ugalde, Yamileth; Lomonte, Bruno (2005)
Group II phospholipase A2 (PLA2) myotoxins isolated from Viperidae/Crotalidae snake venoms induce a rapid cytolytic effect upon diverse cell types in vitro. Previous studies suggested that this effect could be more ...

Venom, venomics, antivenomics 

Calvete Chornet, Juan José; Sanz, Libia; Angulo Ugalde, Yamileth; Lomonte, Bruno; Gutiérrez, José María (2009)
Venoms comprise mixtures of peptides and proteins tailored by Natural Selection to act on vital systems of the prey or victim. Here we review our proteomic protocols for uncoiling the composition, immunological profile, ...
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Mortality by Hymenoptera stings in Costa Rica, 1985-2006
Mortalidad por picaduras de himenópteros en Costa Rica, 1985–2006 

Prado Porras, Mónica; Quirós Vega, Damaris; Lomonte, Bruno (2009)
Objective. To analyze mortality due to Hymenoptera stings in Costa Rica during 1985–2006. Methods. Records of deaths due to Hymenoptera stings in 1985–2006 were retrieved from Instituto Nacional de Estadística y Censos ...

An overview of Lysine-49 phospholipase A2 myotoxins from crotalid snake venoms and their structural determinants of myotoxic action 

Lomonte, Bruno; Angulo Ugalde, Yamileth; Calderón Fuentes, Leonel (2003)
In 1984, the first venom phospholipase A2 (PLA2) with a lysine substituting for the highly conserved aspartate 49 was discovered, in the North American crotalid snake Agkistrodon p. piscivorus [J. Biol. Chem. 259 (1984) ...

Cytotoxicity of Lachesis muta muta snake (bushmaster) venom and its purified basic phospholipase A2 (LmTX-I) in cultured cells 

Damico, Daniela Carla da Silva; Nascimento, Juliana Minardi; Lomonte, Bruno; Ponce Soto, Luis Alberto; Joazeiro, Paulo P.; Novello, José Camillo; Marangoni, Sergio; Collares Buzato, Carla Beatriz (2007)
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 ...

Inhibitory effects of Piper umbellatum and Piper peltatum extracts towards myotoxic phospholipases A2 from Bothrops snake venoms: isolation of 4-nerolidylcatechol as active principle 

Núñez Rangel, Vitelbina; Castro Araya, Víctor H.; Murillo Masís, Renato; Ponce Soto, Luis Alberto; Merfort, Irmgard; Lomonte, Bruno (2005)
Phospholipases A2 (PLA2) are important constituents of snake venoms, being responsible for several of their toxic actions. Extracts from plants used in folk medicine were screened for inhibition of the enzymatic activity ...
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Structure of myotoxin-II, a catalytically inactive Lys49 phospholipase A2 homologue from Atropoides nummifer venom 

Murakami, Mário T.; Melo, Cristiane C.; Angulo Ugalde, Yamileth; Lomonte, Bruno; Arni, Raghuvir K. (2006)
Lys49 snake-venom phospholipase A2 (PLA2) homologues are highly myotoxic proteins which, although lacking catalytic activity, possess the ability to disrupt biological membranes, inducing significant muscle-tissue loss ...
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Lomonte, Bruno (297)
Gutiérrez, José María (177)Angulo Ugalde, Yamileth (59)Calvete Chornet, Juan José (43)Sanz, Libia (34)Fernández Ulate, Julián (33)Rucavado Romero, Alexandra (22)León Montero, Guillermo (17)Rojas Céspedes, Gustavo (15)Sasa Marín, Mahmood (15)... View MoreTypeinfo:eu-repo/semantics/article (283)Artículo científico (254)info:eu-repo/semantics/bookPart (8)Capítulo de libro (7)Contribución a publicación periódica (3)info:eu-repo/semantics/contributionToPeriodical (3)info:eu-repo/semantics/doctoralThesis (1)info:eu-repo/semantics/other (1)info:eu-repo/semantics/preprint (1)Preprint (1)... View MoreProcedenceVicerrectoría de Investigación (297)Vicerrectoría de Docencia (48)... View MoreHas File(s)Yes (297)

  • Repositorios universitarios

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Repositorio Institucional de la Universidad de Costa Rica. Algunos derechos reservados. Este repositorio funciona con DSpace.
Universidad de Costa Rica