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Instituto de Higiene e Medicina Tropical

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In vivo

Potential therapy of multidrug-resistant and extremely drug-resistant tuberculosis with thioridazine.

Multidrug-resistant tuberculosis (MDRTB) infections that continue to increase in frequency globally have progressed to become extremely drug-resistant tuberculosis (XDRTB). The therapeutic problems associated with MDRTB pale in comparison to those for XDRTB where mortality is high.
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The in vitro activity of products formed from exposure of chlorpromazine to a 266nm laser beam against species of mycobacteria of human interest

Chlorpromazine (CPZ) was exposed to a 266 nm laser beam for different periods of time ranging from minutes to 24 h. At intervals, the products from irradiation were evaluated by thin-layer chromatography (TLC) and evaluated for their activity against mycobacteria of human interest (Mycobacterium tuberculosis, M. avium, M. intracellulare and their corresponding reference strains or clinical isolates).
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Biological activity of twenty-three hydantoin derivatives on intrinsic efflux pump system of Salmonella enterica serovar Enteritidis NCTC 13349.

BACKGROUND:
Hydantoin derivatives have important biochemical and pharmacological properties. In the present study, 23 hydantoin compounds were evaluated for their efflux-modulating effects in Salmonella enterica serovar Enteritidis NCTC 13349 using real-time fluorimetry based on the intracellular accumulation of ethidium bromide (EB), a universal substrate of efflux pumps.
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