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- W4292775090 abstract "Abstract Central nervous system alterations was described in Chagas disease in both human and experimental models, leading to meningoencephalitis, stroke and cognitive impairment. Recently, our group demonstrated that acute infection by Trypanossoma cruzi leads to cerebral microvasculophaty in mice with endothelial dysfunction, capillary rarefaction, increased rolling and leukocyte adhesion. Only benznidazole and nifurtimox are available for clinical treatment, they have an efficiency of 80% in the acute phase and less than 20% in chronic phase. However, the effect of these drugs on brain microcirculation has not yet been evaluated. We hypothesized that early treatment with benznidazole could protect brain microcirculation during acute experimental Chagas disease. Swiss Webster mice were inoculated with 10 4 trypomastigotes forms of T. cruzi , and after 24 h they were treated with 50 or 100 mg/kg/day of benznidazole for 14 consecutive days. In untreated infected mice, we observed cerebral microvascular rarefaction, increase in leukocyte rolling and adhesion, reduced cerebral blood flow, and increased CD3 + and F4-80 + cells in brain tissue. Early treatment with benznidazole at 100mg/kg/day and 50mg/kg/day prevented the occurrence of the alterations mentioned. Here, we show that BZ is able to protect the microcirculation and reduced brain inflammation in acute experimental Chagas disease." @default.
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- W4292775090 date "2022-08-23" @default.
- W4292775090 modified "2023-09-26" @default.
- W4292775090 title "Effect of benznidazole on cerebral microcirculation during acute Trypanosoma cruzi infection in mice" @default.
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- W4292775090 doi "https://doi.org/10.21203/rs.3.rs-1910657/v1" @default.
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