Evaluation of the toxicity of 3-allyl-beta-lapachone against Trypanosoma cruzi bloodstream forms. 1980

A M Gonçalves, and M E Vasconcellos, and R Docampo, and F S Cruz, and W de Souza, and W Leon

In vitro incubation of Trypanosoma cruzi (Y strain) with 3-allyl-beta-lapachone was followed by: (1) growth inhibition of epimastigotes, (2) damage to cellular membranes, especially of the mitochondria, alterations in the chromatin structure and swelling of mitochondria, (3) increase in the respiratory rate, (4) increase in the rate of H2O2 generation by the epimastigotes, (5) increase of the rate of lipid peroxidation as detected by malonyldialdehyde formation, (6) decrease or total disappearance of trypomastigotes from mouse-infected blood. This drug might therefore be useful in preventing transmission of Chagas' disease during blood transfusion. It is not, however, active against infections in mice.

UI MeSH Term Description Entries
D009285 Naphthoquinones Naphthalene rings which contain two ketone moieties in any position. They can be substituted in any position except at the ketone groups. Naphthalenediones,Naphthazarins,Naphthoquinone
D010101 Oxygen Consumption The rate at which oxygen is used by a tissue; microliters of oxygen STPD used per milligram of tissue per hour; the rate at which oxygen enters the blood from alveolar gas, equal in the steady state to the consumption of oxygen by tissue metabolism throughout the body. (Stedman, 25th ed, p346) Consumption, Oxygen,Consumptions, Oxygen,Oxygen Consumptions
D001769 Blood The body fluid that circulates in the vascular system (BLOOD VESSELS). Whole blood includes PLASMA and BLOOD CELLS.
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D006861 Hydrogen Peroxide A strong oxidizing agent used in aqueous solution as a ripening agent, bleach, and topical anti-infective. It is relatively unstable and solutions deteriorate over time unless stabilized by the addition of acetanilide or similar organic materials. Hydrogen Peroxide (H2O2),Hydroperoxide,Oxydol,Perhydrol,Superoxol,Peroxide, Hydrogen
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014349 Trypanosoma cruzi The agent of South American trypanosomiasis or CHAGAS DISEASE. Its vertebrate hosts are man and various domestic and wild animals. Insects of several species are vectors. Trypanosoma cruzus,cruzi, Trypanosoma
D014355 Chagas Disease Infection with the protozoan parasite TRYPANOSOMA CRUZI, a form of TRYPANOSOMIASIS endemic in Central and South America. It is named after the Brazilian physician Carlos Chagas, who discovered the parasite. Infection by the parasite (positive serologic result only) is distinguished from the clinical manifestations that develop years later, such as destruction of PARASYMPATHETIC GANGLIA; CHAGAS CARDIOMYOPATHY; and dysfunction of the ESOPHAGUS or COLON. Trypanosomiasis, South American,American Trypanosomiasis,Chagas' Disease,Trypanosoma cruzi Infection,Infection, Trypanosoma cruzi,Infections, Trypanosoma cruzi,South American Trypanosomiasis,Trypanosoma cruzi Infections,Trypanosomiasis, American
D050356 Lipid Metabolism Physiological processes in biosynthesis (anabolism) and degradation (catabolism) of LIPIDS. Metabolism, Lipid
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus

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