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Hernández-Ochoa, Beatriz; Martínez-Rosas, Víctor; Morales-Luna, Laura; Calderón-Jaimes, Ernesto; Rocha-Ramírez, Luz María; Ortega-Cuellar, Daniel; Rufino-González, Yadira; González-Valdez, Abigail; Arreguin-Espinosa, Roberto; Enríquez-Flores, Sergio; Castillo-Rodríguez, Rosa Angélica; Cárdenas-Rodríguez, Noemí; Wong-Baeza, Carlos; Baeza-Ramírez, Isabel; Gómez-Manzo, Saúl
Molecules (Basel, Switzerland), 12/2022, Letnik: 27, Številka: 24Journal Article
Protozoan parasites, such as and , cause the most prevalent infections in humans in developing countries and provoke significant morbidity and mortality in endemic countries. Despite its side-effects, metronidazole is still the drug of choice as a giardiacidal and trichomonacidal tissue-active agent. However, the emergence of metronidazole resistance and its evolved strategies of parasites to evade innate host defenses have hindered the identification and development of new therapeutic strategies against these parasites. Here, we tested five synthesized benzimidazole derivatives as possible drugs for treating giardiasis and trichomoniasis, probing the bifunctional enzyme glucose 6-phosphate dehydrogenase::6-phosphogluconolactone from (GlG6PD::6PGL) and (TvG6PD::6PGL) as a drug target. The investigated benzimidazole derivatives were , , , , and . The recombinant enzymes were used in inhibition assays, and in silico computational predictions and spectroscopic studies were applied to follow the structural alteration of the enzymes and identify the possible mechanism of inhibition. We identified two potent benzimidazole compounds ( and ), which are capable of inhibiting both protozoan G6PD::6PGL enzymes and in vitro assays with these parasites, showing that these compounds also affect their viability. These results demonstrate that other therapeutic targets of the compounds are the enzymes GlG6PD::6PGL and TvG6PD::6PGL, which contribute to their antiparasitic effect and their possible use in antigiardial and trichomonacidal therapies.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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