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Vaccimonitor ; 17(2)mayo-ago. 2008. ilus, tab
Article in Spanish | CUMED | ID: cum-37747

ABSTRACT

En este trabajo se realizó la evaluación toxicológica a dosis repetidas por el método de test límite del candidato ainmunopotenciador, la solución CM-95 tratada magnéticamente, acorde con las regulaciones de la Organización para la Colaboración Económica y el Desarrollo, incluida en la Guía 407. El objetivo fue establecer las posibles lesiones orgánicas y funcionales ocasionadas por la solución CM-95, tratada magnéticamente con la máxima inducción magnética permisible (0,16 T), para la obtención del candidato a inmunopotenciador. Se emplearon tres grupos: Experimental, Control y Satélite. Como Biomodelo experimental se utilizaron ratas Sprague Dawley machos y hembras con pesos de 150 a 200 g. Durante el estudio no se registraron signos clínicos de toxicidad ni muertes en ninguno de los animales de los grupos tratados, ni en los controles. No hubo afectación del peso corporal durante elensayo. Aunque hubo variaciones en los valores de algunos parámetros hematológicos y bioquímicos, estos no tuvieron significación biológica. No se encontraron lesiones macroscópicas, ni microscópicas; solo se observaron efectos proliferativos en el tejido linfoide de timo y bazo, relacionados con la respuesta del sistema inmune. Lasolución CM-95 tratada magnéticamente, no mostró toxicidad en el modelo animal y nivel de dosis utilizado, y bajo las condiciones experimentales ensayadas(AU)


In this study the toxicological evaluation at repeated dose by the method of limit test of the candidate to magnetically treated immunopotentiator CM-95 Solution was carried out; according with regulations of the Organization for Economic Cooperation and Development included in guide 407. The objective was to establish the possible organic and functional lesions caused bythe magnetically treated CM-95 Solution with maximum permissible magnetic induction (0,16 T), for obtaining the candidate to immunopotentiator. Three groups were used: Experimental, Control and Satellite. As experimental Biomodels, male and female Sprague Dawley rats were used, with 150 to 200 g weights. During the study neither clinical signs of toxicity nor deathsin any of the animals of the treated groups were registered. There was not affectation of the corporal weight during the test. There was not change of the corporal weight during the trial. Although there were variations of some haematology and biochemical parameters, they had no biological significance. Macroscopic or microscopic lesions were not found; justproliferation effects were observed, in the lymphoid tissues of the thymus and spleen, related to the response of immune system. Magnetically treated CM-95 Solution, showed no toxicity in the animal model and dose level used, and under the observed experimental conditions(AU)


Subject(s)
Animals , Rats , Adjuvants, Immunologic/toxicity , Repeated Dose/adverse effects , Rats, Sprague-Dawley
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