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Iranian Journal of Parasitology، جلد ۱۴، شماره ۴، صفحات ۶۵۲-۶۵۶
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عنوان انگلیسی Trichomonas vaginalis and Giardia lamblia Growth Alterations by Low-Frequency Electromagnetic Fields
چکیده انگلیسی مقاله Background: There is an increasing interest in using physical factors such as magnetic fields as antimicrobial strategy, with variable results. The current study was aimed to evaluate the influence of extremely low-frequency electromagnetic fields (ELF-EMFs) on the axenically-cultured parasite protozoans Trichomonas vaginalis and Giardia lamblia growth. Methods: Bioassays were developed using T. vaginalis, GT-13 and G. lamblia IMSS-0989 strains cultured at 37 ºC in TYI-S-33 medium. The following treatment regimens and controls were considered: (a) cells exposed to ELF-EMFs, (b) untreated cells, (c) cells treated with Metronidazole, used as positive controls, and (d) cells co-exposed to ELF-EMFs and Metronidazole. When cultures reached the end of logarithmic phase, they were exposed to ELF-EMFs for 72 h, in a standardized magnetic field exposure facility. For determining cytotoxic effects, trophozoite density was blindly evaluated in a Neubauer chamber. Results: A significant decrease in trophozoite growth was observed for T. vaginalis, in magnetic field-treated cultures. On the other hand, cultures co-exposed to ELF-EMFs and Metronidazole showed no significant differences when compared with cultures treated with Metronidazole alone. On the contrary, an increased trophozoite density was observed in G. lamblia cultures after exposure to magnetic fields. An absence of a synergistic or antagonistic effect was observed. Conclusion: ELF-EMFs induced T. vaginalis and G. lamblia growth alterations, indicating a potential effect in cell cycle progression.
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نویسندگان مقاله | Abraham Octavio RODRÍGUEZ-DE LA FUENTE
Department of Exact Sciences and Human Development, Biological Sciences School, Autonomous University of Nuevo León, Sán Nicolás de los Garza, Nuevo León, México


| Ricardo GOMEZ-FLORES
Department of Immunology and Virology, Biological Sciences School, Autonomous University of Nuevo León, Sán Nicolás de los Garza, Nuevo León, México


| José Antonio HEREDIA-ROJAS
Department of Exact Sciences and Human Development, Biological Sciences School, Autonomous University of Nuevo León, Sán Nicolás de los Garza, Nuevo León, México


| Edna Marbella GARCÍA-MUÑOZ
Northeast Biomedical Research Center, Mexican Institute of Social Security, Monterrey, Nuevo León, México


| Javier VARGAS-VILLARREAL
Northeast Biomedical Research Center, Mexican Institute of Social Security, Monterrey, Nuevo León, México


| Magda Elizabeth HERNÁNDEZ-GARCÍA
Northeast Biomedical Research Center, Mexican Institute of Social Security, Monterrey, Nuevo León, México


| Francisco GONZÁLEZ-SALAZAR
Northeast Biomedical Research Center, Mexican Institute of Social Security, Monterrey, Nuevo León, México


| Jesús Norberto GARZA-GONZÁLEZ
Northeast Biomedical Research Center, Mexican Institute of Social Security, Monterrey, Nuevo León, México


| Michaela BELTCHEVA
Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, Sofia, Bulgaria


| Omar Heredia-Rodriguez
Department of Exact Sciences and Human Development, Biological Sciences School, Autonomous University of Nuevo León, Sán Nicolás de los Garza, Nuevo León, México
نشانی اینترنتی http://ijpa.tums.ac.ir/index.php/ijpa/article/view/2380
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