Cercaria
Mostrando 25-33 de 33 artigos, teses e dissertações.
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25. Estudo parasitologico, da transmissão e dos impactos da profilaxia da esquistossomose mansonica no municipio de Bananal, estado de São Paulo, Brasil
Schistosoma mansoni foci have been observed in the municipality of Bananal, State of São Paulo, Brazil, since 1976. The incidence of this infection has been kept under control due to prophylactic activities adopted by public health authorities at the Superintendência de Controle de Endemias (SUCEN) - Superintendency of Endemy Control, unti11997. It include
Publicado em: 2001
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26. Ação da hidrocortisona no desenvolvimento de Schistosoma mansoni Em biomphalaria glabrata
Hydrocortisone (cortisol) is the main example of a drug which presents antiinflammatory and immunosupressive efTects in mammals like other compounds as corticosteroids, suprarenal hormones with steroid formation or any others with similar activities. Its main activity is on the cell defence and is used in the infection and allergy cases best inhibiting pri
Publicado em: 1998
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27. Aspectos biologicos da interação entre Strongyloides venezuelensis e Schistosomamansoni em camundongos Swiss
This work is based on parasitological parameters, giving quantitative data about interaction between Schistosoma mansoni and Strongyloides venezuelensis foccusing on poliparasitism. Three experimental groups were formed, replicated three times, in order to obtain a simultaneous infection (group JUNT). Other two groups alternating the previous infection of on
Publicado em: 1995
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28. Sinteses, transformações e estudos espectroscopicos de alguns tipos de neolignanas
Neolignans are natural products of low molecular weight, produced by oxidative coupling of propenilphenol and allylphenol derivatives. Several members of this class of natural products show biological activity, and two of those studied in this thesis, showed activity against the penetration of cercaria of Schistosoma mansoni and against a type af leukemia. S
Publicado em: 1980
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29. Schistosoma mansoni larvicidal activity of murine bronchoalveolar lavage cells.
We have investigated the ability of cells obtained from both normal and immune mice by bronchoalveolar lavage (BACs) to kill Schistosoma mansoni larvae in vitro. In cultures with mechanically derived schistosomules, high levels of larvicidal activity were displayed by BACs from both normal and irradiated cercaria-immunized C57BL/6 mice. Based on effector-to-
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30. Production and Characterization of Ehrlichia risticii, the Agent of Potomac Horse Fever, from Snails (Pleuroceridae: Juga spp.) in Aquarium Culture and Genetic Comparison to Equine Strains
We report on the production and characterization of Ehrlichia risticii, the agent of Potomac horse fever (PHF), from snails (Pleuroceridae: Juga spp.) maintained in aquarium culture and compare it genetically to equine strains. Snails were collected from stream waters on a pasture in Siskiyou County, Calif., where PHF is enzootic and were maintained for seve
American Society for Microbiology.
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31. Comparison of irradiated-cercaria schistosome vaccine models that use 15- and 50-kilorad doses: the 15-kilorad dose gives greater protection, smaller liver sizes, and higher gamma interferon levels after challenge.
The protection and immune response to infection caused by the parasite Schistosoma mansoni were studied by comparison of two murine irradiated-vaccine models. Mice were exposed from 1 to 4 times to infective-stage cercariae attenuated with either a moderate dose (15 kilorads) or a high dose (50 kilorads) of radiation. Seven weeks after challenge infection, t
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32. Recombinant Mycobacterium bovis BCG Expressing the Sm14 Antigen of Schistosoma mansoni Protects Mice from Cercarial Challenge
The Sm14 antigen of Schistosoma mansoni was cloned and expressed in Mycobacterium bovis BCG as a fusion with the Mycobacterium fortuitum β-lactamase protein under the control of its promoter, pBlaF*; the protein was localized in the bacterial cell wall. The rBCG-Sm14 strain was shown to be relatively stable in cultured murine and bovine monocytes in terms o
American Society for Microbiology.
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33. Boudicca, a Retrovirus-Like Long Terminal Repeat Retrotransposon from the Genome of the Human Blood Fluke Schistosoma mansoni
The genome of Schistosoma mansoni contains a proviral form of a retrovirus-like long terminal repeat (LTR) retrotransposon, designated Boudicca. Sequence and structural characterization of the new mobile genetic element, which was found in bacterial artificial chromosomes prepared from S. mansoni genomic DNA, revealed the presence of three putative open read
American Society for Microbiology.