2020
DOI: 10.7705/biomedica.5187
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Sensibilidad in vitro a benznidazol, nifurtimox y posaconazol de cepas de Trypanosoma cruzi de Paraguay

Abstract: Introducción. Trypanosoma cruzi, agente causal de la enfermedad de Chagas, exhibe una sustancial heterogeneidad fenotípica y genotípica que puede influir en las variaciones epidemiológicas y clínicas de la enfermedad, así como en la sensibilidad a los fármacos utilizados en el tratamiento.Objetivo. Evaluar la sensibilidad in vitro al benznidazol, el nifurtimox y el posaconazol de 40 cepas clonadas de T. cruzi de Paraguay, con distintos genotipos, huéspedes y localidades de origen.Materiales y métodos. En su es… Show more

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“…These values suggest a degree of resistance to BZN based on the susceptibility and resistance criteria proposed for Chagas disease (Katsuno et al, 2015). It has been mentioned that the high variability in the efficacy of treatment with BZN and NFX has been mainly attributed to the wide genetic diversity of the T. cruzi strains (Revollo et al, 2019), However, it has also been reported that natural susceptibility to BZN and NFX, both in vivo and in vitro, is not associated with any particular DTU, indicating that each DTU may show different ranges of sensitivity (Acosta et al, 2020;Zingales, 2018). This differential behaviour in susceptibility to NFX had already been observed in isolates from Veracruz and Puebla of different DTUs (López-Domínguez et al, 2022).…”
Section: Re Sult and Discussionmentioning
confidence: 99%
“…These values suggest a degree of resistance to BZN based on the susceptibility and resistance criteria proposed for Chagas disease (Katsuno et al, 2015). It has been mentioned that the high variability in the efficacy of treatment with BZN and NFX has been mainly attributed to the wide genetic diversity of the T. cruzi strains (Revollo et al, 2019), However, it has also been reported that natural susceptibility to BZN and NFX, both in vivo and in vitro, is not associated with any particular DTU, indicating that each DTU may show different ranges of sensitivity (Acosta et al, 2020;Zingales, 2018). This differential behaviour in susceptibility to NFX had already been observed in isolates from Veracruz and Puebla of different DTUs (López-Domínguez et al, 2022).…”
Section: Re Sult and Discussionmentioning
confidence: 99%