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Mostrando ítems 301-310 de 445
Estudios cariológicos de cinco especies de serpientes costarricenses de la familia colubridae
(1984)
The karyotypes of five species of colubrid snakes from Costa Rica are as follows: Imuntodes cenchao and Drymobius margaritiferus have a diploid number of 36, with 16 macro- and 20 microchromosomes. The fourth pair is ...
Intravenous administration of equine-derived whole IgG antivenom does not induce early adverse reactions in non-envenomed horses and cows
(2010-11)
Administration of antivenoms to treat snakebite envenomings has the potential risk of inducing early adverse reactions. The mechanisms involved in these reactions are unclear. In this study, polyspecific antivenom consisting ...
Thrombocytopenia and platelet hypoaggregation induced by Bothrops asper snake venom. Toxins involved and their contribution to metalloproteinase-induced pulmonary hemorrhage.
(2005-07)
Thrombocytopenia and platelet dysfunction occur in patients bitten by Bothrops sp snakes in Latin America. An experimental model was developed in mice to study the effects of B. asper venom in platelet numbers and function. ...
Índices bibliométricos y revistas de ‘corriente central’: implicaciones para el desarrollo de las ciencias naturales en Costa Rica
(2015)
Dada esta amplia variación en la calidad de
las publicaciones en ciencias naturales, es
esencial para la comunidad científica tener una
perspectiva clara de dicha heterogeneidad y de
sus implicaciones ...
Body distribution of Bothrops asper (terciopelo) snake venom myotoxin and its relationship to pathological changes
(1988)
The distribution of 125I-labelled Bothrops asper myotoxin following i.m. and i.v. injections was studied in mice. After i.m. administration the toxin was concentrated in the injected gastrocnemius muscle, with relatively ...
Modulation of the Susceptibility of Human Erythrocytes to Snake Venom Myotoxic Phospholipases A2: Role of Negatively Charged Phospholipids as Potential Membrane Binding Sites
(2001-07-01)
Cerrophidion (Bothrops) godmani myotoxins I (CGMT-I) and II (CGMT-II), Asp-49 and Lys-49 phospholipases A(2) (PLA2s), which drastically differ in enzymatic activity, were devoid of direct hemolytic effects on erythrocytes ...
Role of enzymatic activity inmuscle damage and cytotoxicity induced by Bothrops asper Asp49 phospholipase A2 myotoxins: are there additional effector mechanisms involved?
(Peer Journal 2:e569; DOI 10.7717/peerj.569, 2014-09-16)
Viperid venoms often contain mixtures of Asp49 and Lys49 PLA2 myotoxin isoforms,
relevant to development of myonecrosis. Given their difference in catalytic
activity, mechanistic studies on each type require highly ...
Neutralization of four Peruvian Bothrops sp. snake venoms by polyvalent antivenoms produced in Perú and Costa Rica: preclinical assessment
(2005-06)
Envenomations after bites inflicted by snakes of the genus Bothrops constitute a public health hazard in Perú, and the intravenous administration of equine-derived antivenoms represents the only scientifically validated ...
The need for an integrated approach in confronting snakebite envenoming in Latin America: the relevance of endogenous scientific and technological research
Hacia un abordaje integral del envenenamiento ofídico en América Latina: la importancia de la generación de conocimiento científico-tecnológico endógeno
(2016)
Snakebite envenomings constitute a serious public health problem on a global level, especially in Africa,
Asia and Latin America. In our Latin American region, it is estimated that at least 70,000 snakebite
cases occur ...
Cellular pathology induced by snake venom phospholipase A2 myotoxins and neurotoxins: common aspects of their mechanisms of action
(2008-06-20)
A large variety of snake toxins evolved from PLA2 digestive enzymes through a process of ‘accelerated evolution’. These toxins have different tissue targets, membrane receptors and mechanisms of alteration of the cell ...