Trypanosoma Cruzi P21
Mostrando 13-24 de 25 artigos, teses e dissertações.
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13. Aspectos epidemiológicos, clínicos e laboratoriais de pacientes com infecção ou doença de chagas do município de Berilo, Vale do Jequitinhonha MG, após nove anos do tratamento específico com benzonidazol.
The parasitological and clinical cure of the Chagas disease in patients treated in the chronic phase is of complex evaluation and when observed occurred later especially in those treated in the chronic phase. The definition of the cure involves the use of some clinical and laboratorial examinations that need to be repeated throughout a long period of time. T
Publicado em: 2007
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14. Mecanismos de resistência à infecção por Leishmania major e Trypanosoma cruzi mediados por IFN- e independentes de Óxido Nítrico: do reconhecimento à imunidade efetora
O desenvolvimento adequado da resposta imune é essencial para a resistência do hospedeiro contra microorganismos invasores. Neste trabalho, demonstramos que a combinação de diferentes TLRs é necessária para um reconhecimento adequado do patógeno e uma resposta imune em níveis ótimos com alta produção de IFN- e óxido nítrico (NO). NO é considera
Publicado em: 2006
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15. Resposta à quimioterapia com benzonidazol de clones isolados da cepa 21SF do Trypanosoma cruzi (biodema Tipo II, Trypanosoma cruzi II)
A suscetibilidade à quimioterapia com o benzonidazol, de 5 clones isolados da cepa 21SF (biodema Tipo II, T. cruzi II), foi investigada. Camundongos suíços foram infectados com a cepa parental e com cada clone e submetidos à quimioterapia com benzonidazol (100mg/k/dia durante 90 dias). Os índices de cura foram avaliados pelos testes de cura parasitológ
Revista da Sociedade Brasileira de Medicina Tropical. Publicado em: 2005-04
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16. Cariótipo molecular: uma ferramenta para o estudo analítico e evolutivo do genoma de Trypanosoma cruzi / Molecular karyotype: a tool for the analytical and evolutionary study of Trypanosoma cruzi genome.
Different typing methods and phylogenetic inference based on the nucleotide sequence of few nuclear genes indicate that Trypanosoma cruzi can be divided into two major groups named as T. cruzi I and T. cruzi II. Additional subgroups of isolates have been described, such as group of rDNA 1/2 and zymodeme 3 (Z3), whose phylogenetic relationships with the T. cr
Publicado em: 2005
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17. Epidemiología de la enfermedad de Chagas, Departamento General Paz, Argentina
OBJECTIVE: The aim of this study was to evaluate triatomine colonization in domestic and peridomestic ecotopes and to assess the seroprevalence of Chagas' disease in rural areas. METHODS: The study was carried out in the province of General Paz, Corrientes, Argentina. Human dwellings and peridomestic ecotopes were randomly selected. Triatomines were collecte
Revista de Saúde Pública. Publicado em: 2003-02
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18. Trypanosoma cruzi infection in Didelphis marsupialis in Santa Catarina and Arvoredo Islands, southern Brazil
Between 1984 and 1993 the prevalence of the Trypanosoma cruzi infection in opossums (Didelphis marsupialis) was studied in Santa Catarina and Arvoredo Islands, State of Santa Catarina, Brazil. The association of the triatomine bug Panstrongylus megistus with opossums nests and the infection rate of these triatomines by T. cruzi was also studied. Thirteen dif
Memórias do Instituto Oswaldo Cruz. Publicado em: 2000-12
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19. Ausência de ritmo circadiano e de periodicidade do Trypanosoma cruzi ao xenodiagnóstico em chagásicos crônicos
Realizamos xenodiagnósticos de 3 em 3 horas com 10 ninfas do 3° estágio de Triatoma infestans por um período de 24 a 72 horas, em 18 chagásicos crônicos que tinham sorologia e/ou xenodiagnóstico positivos. Não houve diferença estatisticamente significante na positividade entre os testes realizados durante o dia (9:00 às 18:00h) e à noite (21:00 à
Revista da Sociedade Brasileira de Medicina Tropical. Publicado em: 2000-10
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20. Repostas na frequência cardíaca provocada por um agonista muscarínico em ratos com miocardite chagásica aguda e subaguda
Administramos arecoline a ratos com miocadite chagásica induzida experimentalmente, a fim de pesquisar a sensibilidade do nodo sinusal frente a um agonista muscarínico. Ratos de 16 meses de idade foram inoculados com 200.000 parasitas de T. cruzi (variedade Y). Entre os dias 18 e 21 (estádio agudo), 8 ratos infestados e 8 ratos controle receberam arecolin
Revista do Instituto de Medicina Tropical de São Paulo. Publicado em: 2000-08
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21. Structure and kinetics of the enzyme glyceraldehyde-3-phosphate dehydrogenase from Trypanosoma cruzi and mutants D210L, D2101-G213D / Estudos estruturais e cinéticos da enzima gliceraldeido-3-fosfato desidrogenase de trypanosoma cruzi e mutantes D21OL,D21OL-G213D
The glycosomal glyceraldehyde-3-phosphate dehydrogenase (GAPDH) from Typanosoma cruzi and its mutants D210L and D210L-G213D were expressed in E. coli and purified, followed by kinetic and crystallization assays. Both wild type enzyme and D210L-G213D mutant were crystallized in P21 space group and the crystals presented good X-ray diffraction patterns. The th
Publicado em: 1998
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22. In vitro synthesis of Trypanosoma cruzi antigenic polypeptides.
A ribosomal fraction of Trypanosoma cruzi was isolated with detergent lysis and differential ultracentrifugation. This ribosomal fraction directed in vitro protein synthesis, in a heterologous incorporation system (rat liver pH 5 fraction), leading to values up to 10 times higher than endogenous control. The ideal concentrations of Mg2+, K+, and ribosomal pr
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23. An Fc gamma RII-, Fc gamma RIII-specific monoclonal antibody (2.4G2) decreases acute Trypanosoma cruzi infection in mice.
In order to study the role of Fc gamma Rs in Trypanosoma cruzi infection in mice, the 2.4G2 monoclonal antibody (MAb), specific to the extracellular domains of Fc gamma RII and Fc gamma RIII, was injected intraperitoneally into mice. Flow cytometry studies of uninfected mice showed that 2.4G2 MAb bound to peritoneal and lymph node cells, respectively, on day
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24. The short interspersed repetitive element of Trypanosoma cruzi, SIRE, is part of VIPER, an unusual retroelement related to long terminal repeat retrotransposons
The short interspersed repetitive element (SIRE) of Trypanosoma cruzi was first detected when comparing the sequences of loci that encode the TcP2β genes. It is present in about 1,500–3,000 copies per genome, depending on the strain, and it is distributed in all chromosomes. An initial analysis of SIRE sequences from 21 genomic fragments allowed us to der
The National Academy of Sciences.