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Biblioteca Digital - Universidad Icesi
Bachelor thesis . 2014
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Identificación de proteínas con actividad pla2 en el veneno de la serpiente bothrocophias myersi

Authors: Lozano González, Tatiana;

Identificación de proteínas con actividad pla2 en el veneno de la serpiente bothrocophias myersi

Abstract

Las Fosfolipasas A2 (PLA2) hacen parte de un diverso grupo de enzimas que juegan un rol importante en diversos procesos celulares y fisiológicos de los vertebrados. Estas intervienen en señales de transducción que activan diferentes procesos como contracción de músculo liso, otras activan la cascada de inflamación mientras otras intervienen en procesos digestivos del intestino de vertebrados procesando lípidos para su posterior absorción. Algunos organismos como las serpientes venenosas (de la familia Viperidae) presentan adaptaciones y modificaciones de enzimas derivadas de glándulas salivales, donde se producen las PLA2 digestivas homólogas a las producidas en el páncreas que son liberadas en el intestino de vertebrados mamíferos. A diferencia de los mamíferos, las PLA2 de serpientes son inyectadas en las presas como agentes pre-digestivos de acción rápida o son inyectadas en agresores potenciales como medio de defensa. Las PLA2 del veneno de Vipéridos dependen de la especie y pueden ser neurotóxicas y miotóxicas, siendo las últimas las que provocan destrucción de las membranas estructurales, produciendo inicialmente inflamación y dañando intensamente el músculo hasta necrosarlo. The Phospholipase A2 (PLA2) are part of a diverse group of enzymes that play an important role in diverse cellular and physiological processes in vertebrates. These are involved in signal transduction processes that activate different as smooth muscle contraction, activate other inflammatory cascade, while others are involved in digestive processes of vertebrate intestine lipid processed for subsequent absorption. Some organisms such as poisonous snakes (Viperidae family) present adaptations and modifications of enzymes derived from salivary glands, where they produce digestive PLA2 homologous to those produced in the pancreas that are released in the intestines of mammals vertebrates. Unlike mammals, snake PLA2 are injected into pre-dams as digestive agents swift action or are injected into potential aggressors as a defense.

Country
Colombia
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Keywords

570, Enzimas, enzymes, Vertebrados, species, Química Farmacéutica, Medical sciences, 630, Serpientes, Fosfolipasas, Ciencias socio biomédicas, Trabajos de grado, Departamento de Ciencias Químicas, Producción intelectual registrada - Universidad Icesi

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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Green