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Structure of a Lys49-Phospholipase A2 homologue isolated from the venom of Bothrops nummifer (jumping viper) 

de Azevedo, Walter Filgueira; Ward, Richard John; Gutiérrez, José María; Arni, Raghuvir K. (1999-02)
Lys49-Phospholipase A2 (Lys49-PLA2) homologues damage membranes by a Ca2+-independent mechanism which does not involve catalytic activity. We have solved the structure of myotoxin-I, a Lys49-PLA2 homologue isolated from ...

The lethality test used for estimating the potency of antivenoms against Bothrops asper snake venom: Pathophysiological mechanisms, prophylactic analgesia, and a surrogate in vitro assay 

Chacón Valverde, Francisco; Oviedo Cerdas, Andrea; Escalante Muñoz, Teresa; Solano Trejos, María Gabriela; Rucavado Romero, Alexandra; Gutiérrez, José María (2015-01)
The potency of antivenoms is assessed by analyzing the neutralization of venom-induced lethality, and is expressed as the Median Effective Dose (ED50). The present study was designed to investigate the pathophysiological ...

Comparative study of the efficacy and safety of two polyvalent, caprylic acid fractionated [IgG and F(ab0)2] antivenoms, in Bothrops asper bites in Colombia 

Otero Patiño, Rafael; Segura Ruiz, Álvaro; Pereañez, Jaime Andrés; Herrera Vega, María; Angulo Ugalde, Yamileth; León Montero, Guillermo; Gutiérrez, José María; Barona, Jacqueline; Estrada, Sebastián; Quintana, Juan Carlos; Vargas Muñoz, Leidy Johana; Gómez, Juan Pablo; Díaz, Abel; Suárez, Ana María; Fernández, Jorge; Ramírez, Patricia; Fabra, Patricia E.; Perea, Monica; Fernández, Diego; Arroyo, Yobana; Betancur, Dalila; Pupo, Lady; Córdoba, Elkin; Ramírez, Eugenio; Arrieta, Ana Berta; Rivero, Alcides; Mosquera, Diana Carolina; Conrado, Nectty Lorena; Ortiz, Rosina (2012-02)
The efficacy and safety of two polyvalent horse-derived antivenoms in Bothrops asper envenomings were tested in a randomized, double-blind, clinical trial performed in Colombia. Both antivenoms were manufactured from the ...

Detection of proteins antigenically-related to Bothrops asper myotoxin in crotaline snake venoms 

Lomonte, Bruno; Moreno Robles, Edgardo; Gutiérrez, José María (1987)
The presence of components antigenically related to Bothrops asper myotoxin was investigated by Western blotting and immunoelectrophoretic techniques. B. asper myotoxin is a non-glycosylated monomeric phospholipase A with ...
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Critical role of TLR2 and MyD88 for functional response of macrophages to a group IIA-Secreted phospholipase A2 from snake venom 

Leiguez, Elbio; Giannotti, Karina Cristina; Moreira, Vanessa; Matsubara, Marcio Hideki; Gutiérrez, José María; Lomonte, Bruno; Rodríguez, Juan Pablo; Balsinde, Jesus; Teixeira, Catarina de Fátima (PLoS One 9(4):e93741, 2014-04-09)
The snake venom MT-III is a group IIA secreted phospholipase A2 (sPLA2) enzyme with functional and structural similarities with mammalian pro-inflammatory sPLA2s of the same group. Previously, we demonstrated that MT-III ...

Skeletal muscle necrosis induced by a phospholipase A2 isolated from the venom of the coral snake Micrurus nigrocinctus nigrocinctus. 

Arroyo Gutiérrez, Olga; Rosso Julien, Jean Pierre; Vargas Rosso, Orietta; Gutiérrez, José María; Cerdas Fallas, Luis (1987)
1. The venom of the coral snake Micrurus nigrocinctus nigrocinctus was fractionated by reverse-phase high performance liquid chromatography and an acidic myotoxic phospholipase A2 was purified to homogeneity. 2. After ...
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Antivenoms for Snakebite Envenomings 

Gutiérrez, José María; León Montero, Guillermo; Lomonte, Bruno; Angulo Ugalde, Yamileth (2011-10)
Animal-derived antivenoms constitute the mainstay in the therapy of snakebite envenoming. Antivenoms are manufactured by immunizing animals, usually horses, with venoms from a single or several medically-relevant snake ...

Systemic effects induced by the venom of the snake Bothrops caribbaeus in a murine model 

Herrera Arias, Cristina; Rucavado Romero, Alexandra; Warrell, David A.; Gutiérrez, José María (2013-03)
Snakebite envenoming by Bothrops caribbaeus, an endemic viperid from the Lesser Antillean island of Saint Lucia, is clinically characterized by local tissue damage and systemic thrombosis that can lead to cerebral, myocardial ...

Comparative proteomic analysis of the venom of the taipan snake, Oxyuranus scutellatus, from Papua New Guinea and Australia: Role of neurotoxic and procoagulant effects in venom toxicity 

Herrera Vega, María; Fernández Ulate, Julián; Vargas Arroyo, Mariángela; Villalta Arrieta, Mauren; Segura Ruiz, Álvaro; León Montero, Guillermo; Angulo Ugalde, Yamileth; Paiva, Owen K.; Matainaho, Teatulohi; Jensen, Simon D.; Winkel, Kenneth D.; Calvete Chornet, Juan José; Williams, David J.; Gutiérrez, José María (2012-04-03)
The venom proteomes of populations of the highly venomous taipan snake, Oxyuranus scutellatus, from Australia and Papua New Guinea (PNG), were characterized by reverse-phase HPLC fractionation, followed by analysis of ...

Experimental pathophysiology of systemic alterations induced by Bothrops asper snake venom 

Gutiérrez, José María; Escalante Muñoz, Teresa; Rucavado Romero, Alexandra (2009-12-01)
Moderate and severe envenomations by the snake Bothrops asper provoke systemic alterations, such as systemic bleeding, coagulopathy, hypovolemia, hemodynamic instability and shock, and acute renal failure. Systemic hemorrhage ...
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Gutiérrez, José María (399)
Lomonte, Bruno (177)Rucavado Romero, Alexandra (64)Calvete Chornet, Juan José (57)León Montero, Guillermo (53)Angulo Ugalde, Yamileth (46)Sanz, Libia (43)Herrera Vega, María (36)Rojas Céspedes, Gustavo (34)Escalante Muñoz, Teresa (33)... View MoreTypeartículo científico (385)capítulo de libro (9)libro (1)otros (1)preprint (1)reseña (1)revista de divulgación (1)ProcedenceVicerrectoría de Investigación (398)Vicerrectoría de Docencia (32)... View MoreHas File(s)Yes (397)No (2)

  • Repositorios universitarios

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