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Estudo comparativo: bioquimico e imunofarmacologico do veneno total, da crotoxina e suas isoformas de crotapotina e PLA2 de crotalus durissus terrificus. C. d. ruruima C.d. cascavella e C. d. collilineatus / Comparative study: biochemical and Immunopharmacology of the whole venom, crotoxin and of its isoforms crotapotina and PLA2 from Crotalus durissus terrificus. C. d. ruruima C.D. cascavella and C. d. collilineatus
Campinas; s.n; 2006. 118 p. tab, graf.
Thesis in Portuguese | LILACS | ID: lil-604037
RESUMO
Este trabalho está dividido em três momentos, o primeiro trata-se de um estudo comparativo do efeito dos venenos brutos de Crotalus durissus terrificus; C. d. ruruima; C. d. cascavella e C. d. collilineatus, bem como da crotoxina e da crotamina sobre a junção neuromuscular. O veneno C. d. ruruima foi purificado pela primeira vez através de HPLC em uma coluna Protein Pack SW 300, onde foi obtida a crotoxina e a crotamina (os demais venenos já foram purificados e os dados publicados). O estudo neurotóxico foi realizado em duas preparações nervo-frênico diafragma de camundongo e biventer cervicis de pintainho. Dos experimentos realizados em mamíferos e aves obteve-se o efeito neurotóxico esperado nas concentrações de 10 mg/ml. Os venenos brutos e as crotoxinas das serpentes C. d. terrificus e C. d. ruruima em preparações de mamífero produziram aumento da amplitude seguido de bloqueio total da resposta contrátil, diferentemente dos venenos e das crotoxinas das serpentes C. d. cascaavella e C. d. collilineatus, que causaram apenas bloqueio total neuromuscular. Em preparações de aves os quatro venenos e crotoxinas estudados induziram bloqueio total, porém sem causar facilitação. As crotaminas-positivas, estudadas em nervo...
ABSTRACT
This work is divided at three moments, the first one if terrificus deals with a comparative study of the effect of the crude venoms of Crotalus durissus; C. d. ruruima; C. d. cascavella and C. d. collilineatus, as well as of the crotoxin and the crotamine on the junction neuromuscular. Venoms C. d. ruruima was purified for the first time through HPLC in a column Protein Pack sw 300, where it was gotten the crotoxin and the crotamine (the too much venoms already had been purified and the published data). The neurotoxic study nerve-frênico was carried through in two preparations diaphragm of mouse and to chick biventer cervicis. The experiments carried through in mammals and birds the waited neurotoxic effect in the was gotten concentrations of 10 mg/ml. The crude venoms and the crotoxin of rastnaks C. d. terrificus and C. d. ruruima in preparations of mammal had produced increase of the followed amplitude of complete blockade of the contractil reply, differently of the venoms and the crotoxin of rastnakes C. d. cascavella and C. d. collilineatus, that they had caused only complete blockade to neuromuscular. In preparations of birds the four studied venoms and crotoxin had induced complete blockade, however without causing facilitation. The crotamine-positive, studied in nerve-frenico diaphragm of mouse of snakes C. d. terrificus and C. d. ruruima, in the concentration of 10 mg/ml, had caused facilitatori effect returning to the 120 after amplitude have controlled min of incubation. When crotoxin ...
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Index: LILACS (Americas) Main subject: Crotalus cascavella / Crotalid Venoms / Crotoxin Limits: Animals Language: Portuguese Year: 2006 Type: Thesis

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Index: LILACS (Americas) Main subject: Crotalus cascavella / Crotalid Venoms / Crotoxin Limits: Animals Language: Portuguese Year: 2006 Type: Thesis