VENENOS DE SERPIENTES Y MOLÉCULAS ANTIVENENO
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Duque Osorio, J. F., Sánchez, A., Fierro, L., Garzón, S., & Castaño, R. S. (2023). VENENOS DE SERPIENTES Y MOLÉCULAS ANTIVENENO. Revista De La Academia Colombiana De Ciencias Exactas, Físicas Y Naturales, 31(118), 109–137. https://doi.org/10.18257/raccefyn.31(118).2007.2320

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Los accidentes ofídicos pueden producir hemorragias (causadas por SVMPs), mionecrosis (causadas por PLAs) y dolor, y anualmente 50 mil de éstos son fatales, especialmente en los trópicos. Las terapias convencionales por inmunoglobulinas son sólo parcialmente efectivas y pueden producir efectos inmunes adversos, por lo cual se están estudiando proteínas antiveneno naturales de mamíferos [DM43 (antihemorragina) y DM64 (antimiotóxica) de la zarigueya (Maruspialia: Didelphis)] que han demostrado ser más efectivas. Además las PLAs y SVMPs venenosas tienen sus contrapartes endógenas normales no venenosas (PLAs y MMPs) en animales como los humanos, y cuando el balance entre estas últimas y sus inhibidores se rompe, se producen patologías como: artritis, arterioesclerosis, asma, diabetes, choques sépticos, neoplasias, inflamaciones, psoriasis, reumatismo, etc. Además de estos aspectos médicos se repasa la evolución de las serpientes y sus sistemas de veneno, concluyéndose que falta información sobre, entre otros: la parafilética y muy diversa familia “colubridae”; “carreras armamentistas evolutivas” entre serpientes venenosas y sus presas; la inusual (desafía la teoría neutral de la evolución molecular) y acelerada evolución de las moléculas de veneno de serpientes.

https://doi.org/10.18257/raccefyn.31(118).2007.2320

Palabras clave

Didelphis | evolución | familia supergen de las inmunoglobulinas | mamíferos (Mammalia) | serpientes (Serpentes) | veneno de serpientes (PLAs, SVMPs) | toxinología | Viperidae | α1B-Glico proteína | proteínas antiveneno (anti-SVMP, DM64, DM43, OPRIN, PLIs, PO41)
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