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Rev. colomb. biotecnol ; 20(2): 89-100, jul.-dic. 2018. tab, graf
Article in Spanish | LILACS | ID: biblio-985447

ABSTRACT

RESUMEN Las toxinas Cry de Bacillus thuringiensis (Bt) han sido reconocidas por su acción biocontroladora contra insectos plaga. Recientemente se ha descrito que algunas cepas de Bt codifican proteínas que no presentan actividad insecticida, pero al ser enfrentadas a líneas celulares de cáncer de diferentes tipos han demostrado actividad citotóxica. Estas proteínas han sido denominadas parasporinas (PS) y surgen como una potencial alternativa para el tratamiento del cáncer debido a que presentan citotoxicidad hacia diferentes líneas celulares cancerígenas y baja o nula citotoxicidad hacia células normales.


ABSTRACT Cry toxins from Bacillus thuringiensis (Bt) have been recognized for their biocontrol action against insect pests. Recently it has been described some strains of Bt produce proteins without insecticidal activity, but when cancer cell lines of different types are exposed to these proteins they have demonstrated cytotoxic activity. These proteins have been called parasporins (PS) and are a potential alternative for the treatment of cancer because they have high cytotoxicity in different cancer cell lines, and null or low toxic activity in normal cells.

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