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First crotoxin-like phospholipase A2 complex from a New World non-rattlesnake species: Nigroviriditoxin, from the arboreal Neotropical snake Bothriechis nigroviridis 

Lomonte, Bruno; Mora Obando, Diana; Fernández Ulate, Julián; Sanz, Libia; Pla Ferrer, Davinia; Gutiérrez, José María; Calvete Chornet, Juan José (Toxicon vol 93:144–154, 2015-01)
Bothriechis nigroviridis is an arboreal Neotropical pitviper found in Costa Rica and Panam a. A previous proteomic profiling of its venom revealed the presence of proteins with homology to the A and B subunits of ...

Snake venomics and antivenomics of Bothrops colombiensis, a medically important pitviper of the Bothrops atrox-asper complex endemic to Venezuela: Contributing to its taxonomy and snakebite management 

Calvete Chornet, Juan José; Borges, Adolfo; Segura Ruiz, Álvaro; Flores Díaz, Marietta; Alape Girón, Alberto; Gutiérrez, José María; Diez, Nardy; De Sousa, Leonardo; Kiriakos, Demetrio; Sánchez, Eladio; Faks, José G.; Escolano, José; Sanz, Libia (2009-03-06)
The taxonomic status of the medically important pitviper of the Bothrops atrox-asper complex endemic to Venezuela, which has been classified as Bothrops colombiensis, remains incertae cedis. To help resolving this question, ...
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Snake venomics and antivenomics: Proteomic tools in the design and control of antivenoms for the treatment of snakebite envenoming 

Gutiérrez, José María; Lomonte, Bruno; León Montero, Guillermo; Alape Girón, Alberto; Flores Díaz, Marietta; Sanz, Libia; Angulo Ugalde, Yamileth; Calvete Chornet, Juan José (2009-03-06)
Snakebite envenoming represents a neglected tropical disease that has a heavy public health impact, particularly in Asia, Africa and Latin America. A global initiative, aimed at increasing antivenom production and ...

Snake venomics of Micrurus alleni and Micrurus mosquitensis from the Caribbean region of Costa Rica reveals two divergent compositional patterns in New World elapids 

Fernández Ulate, Julián; Vargas Vargas, Nancy; Pla Ferrer, Davinia; Sasa Marín, Mahmood; Rey Suárez, Paola; Sanz, Libia; Gutiérrez, José María; Calvete Chornet, Juan José; Lomonte, Bruno (2015-12-01)
Protein composition, toxicity, and neutralization of the venoms of Micrurus alleni and Micrurus mosquitensis, two sympatric monadal coral snakes found in humid environments of the Caribbean region of Costa Rica, were ...

Impact of Regional Variation in Bothrops asper Snake Venom on the Design of Antivenoms: Integrating Antivenomics and Neutralization Approaches 

Gutiérrez, José María; Sanz, Libia; Flores Díaz, Marietta; Figueroa, Lucía; Madrigal Villalobos, Marvin; Herrera Vega, María; Villalta Arrieta, Mauren; León Montero, Guillermo; Estrada Umaña, Ricardo; Borges, Adolfo; Alape Girón, Alberto; Calvete Chornet, Juan José (2010-10-21)
Intraspecific snake venom variations have implications in the preparation of venom pools for the generation of antivenoms. The impact of such variation in the cross-reactivity of antivenoms against Bothrops asper venom was ...

Isolation and characterization of four medium-size disintegrins from the venoms of Central American viperid snakes of the genera Atropoides, Bothrops, Cerrophidion and Crotalus 

Angulo Ugalde, Yamileth; Castro Godínez, Adriana; Lomonte, Bruno; Rucavado Romero, Alexandra; Fernández Ulate, Julián; Calvete Chornet, Juan José; Gutiérrez, José María (2014-12)
Four disintegrins were isolated from the venoms of the Central American viperid snakes Atropoides mexicanus (atropoimin), Bothrops asper (bothrasperin), Cerrophidion sasai (sasaimin), and Crotalus simus (simusmin). ...

Venomics and antivenomics of Bothrops erythromelas from five geographic populations within the Caatinga ecoregion of northeastern Brazil 

Jorge, Roberta Jeane B.; Monteiro, Helena S. A.; Gonçalves Machado, Larissa; Guarnieri, Míriam C.; Ximenes, Rafael M.; Borges Nojosa, Diva M.; de O. Luna, Karla P.; Zingali, Russolina B.; Corrêa Netto, Carlos; Gutiérrez, José María; Sanz, Libia; Calvete Chornet, Juan José; Pla Ferrer, Davinia (2015-01-30)
The Caatinga lancehead, Bothrops erythromelas, is a medically relevant species, responsible for most of the snakebite accidents in most parts of its distribution range in northeastern Brazil. The spectrum and geographic ...
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Snake Venomics and Antivenomics of the Arboreal Neotropical Pitvipers Bothriechis lateralis and Bothriechis schlegelii 

Lomonte, Bruno; Escolano, José; Fernández Ulate, Julián; Sanz, Libia; Angulo Ugalde, Yamileth; Gutiérrez, José María; Calvete Chornet, Juan José (2008-04-30)
We report the comparative proteomic characterization of the venoms of two related neotropical arboreal pitvipers from Costa Rica of the genus Bothriechis, B. lateralis (side-striped palm pit viper) and B. schlegelii (eyelash ...
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Tissue Localization and Extracellular Matrix Degradation by PI, PII and PIII Snake Venom Metalloproteinases: Clues on the Mechanisms of Venom-Induced Hemorrhage 

Voisin, Mathieu-Benoit; Rucavado Romero, Alexandra; Morazán, Diego; Macêdo, Jéssica Kele A.; Calvete Chornet, Juan José; Sanz, Libia; Nourshargh, Sussan; Gutiérrez, José María; Fox, Jay W.; Herrera Arias, Cristina; Escalante Muñoz, Teresa (2015-04-24)
Snake venom hemorrhagic metalloproteinases (SVMPs) of the PI, PII and PIII classes were compared in terms of tissue localization and their ability to hydrolyze basement membrane components in vivo, as well as by a ...

Evaluation of the preclinical efficacy of four antivenoms, distributed in sub-Saharan Africa, to neutralize the venom of the carpet viper, Echis ocellatus, from Mali, Cameroon, and Nigeria 

Sánchez Céspedes, Laura Vanessa; Pla Ferrer, Davinia; Herrera Vega, María; Chippaux, Jean Philippe; Calvete Chornet, Juan José; Gutiérrez, José María (2015-11)
Snakebite envenoming causes a heavy toll in sub-Saharan Africa in terms of mortality and sequelae. In the West African savannah, the viperid Echis ocellatus is responsible for the vast majority of bites. In the last decades, ...
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Calvete Chornet, Juan José (52)
Gutiérrez, José María (52)
Sanz, Libia (38)Lomonte, Bruno (29)Angulo Ugalde, Yamileth (22)Pla Ferrer, Davinia (16)Fernández Ulate, Julián (14)Herrera Vega, María (9)León Montero, Guillermo (9)Warrell, David A. (9)... View MoreType
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  • Repositorios universitarios

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Universidad de Costa Rica