A long-term intake of a protein hydrolysate seems to increase the risk of encephalopathy in mice infected with Schistosoma mansoni.

abstract：:There is no effective chemotherapy against diseases caused by Phytomonas sp., a plant trypanosomatid responsible for economic losses in major crops. We tested three triazolo-pyrimidine complexes [two with Pt(II), and another with Ru(III)] against promastigotes of Phytomonas sp. isolated from Euphorbia characias. The i...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Magán R,Marín C,Salas JM,Barrera-Pérez M,Rosales MJ,Sánchez-Moreno M

更新日期：2004-10-01 00:00:00

abstract：:Acute cases of schistosomiasis have been found on the coastal area of Pernambuco, Brazil, due to environmental disturbances and disorderly occupation of the urban areas. This study identifies and spatially marks the main foci of the snail host species, Biomphalaria glabrata on Itamaracá Island. The chaotic occupation ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Barbosa CS,Araújo KC,Antunes L,Favre T,Pieri OS

更新日期：2004-01-01 00:00:00

abstract：:A polysaccharide-rich fraction (ATF) of medicinal mushroom Agaricus brasiliensis was evaluated on the candidacidal activity, H2O2 and nitric oxide (NO) production, and expression of mannose receptors by murine peritoneal macrophages. Mice received three intraperitoneal (i.p.) injections of ATF and after 48 h their per...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Martins PR,Gameiro MC,Castoldi L,Romagnoli GG,Lopes FC,Pinto AV,Loyola W,Kaneno R

更新日期：2008-05-01 00:00:00

abstract：:The Global Burden of Disease Study 2010 listed schistosomiasis among the leading 100 causes of death in Brazil, responsible for 3.6% of the estimated total of deaths globally. Eye and adnexa are very rarely affected by schistosomiasis mansoni, with limited documentation of ocular pathology in this setting. This short ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Fidelis TAA,Brasileiro-Filho G,Santos HH,Vasconcelos-Santos DV,Parreiras PM,Coelho PMZ,Araujo N,Chaud MV,Lambertucci JR

更新日期：2019-01-01 00:00:00

abstract：:Morphometrics of Brazilian strains (BH, SJ and CMO) of Schistosoma mansoni cercariae were obtained with a computerized image analyzer (IMAGE PRO PLUS, MEDIA CYBERNETICS), considering the following characters: body area, tail, furcae, oral and ventral suckers and distance between them. For statistical analysis, the var...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Machado-Silva JR,da Silva CH,Pereira MJ,de Oliveira RM,Pinto RM,Gomes DC

更新日期：2000-11-01 00:00:00

abstract：:Trypanosomatids are parasites that cause disease in humans, animals, and plants. Most are non-pathogenic and some harbor a symbiotic bacterium. Endosymbiosis is part of the evolutionary process of vital cell functions such as respiration and photosynthesis. Angomonas deanei is an example of a symbiont-containing trypa...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Penha LL,Hoffmann L,Souza SS,Martins AC,Bottaro T,Prosdocimi F,Faffe DS,Motta MC,Ürményi TP,Silva R

更新日期：2016-11-01 00:00:00

abstract：:Two essential oils of Lippia alba (Mill.) N.E. Brown (Verbenacea), the carvone and citral chemotypes and 15 of their compounds were evaluated to determine cytotoxicity and antifungal activity. Cytotoxicity assays for both the citral and carvone chemotypes were carried out with tetrazolium-dye, which showed a dose-depe...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Mesa-Arango AC,Montiel-Ramos J,Zapata B,Durán C,Betancur-Galvis L,Stashenko E

更新日期：2009-09-01 00:00:00

abstract：:An increasing amount of research has been conducted on immunoglobulin Y (IgY) because the use of IgY offers several advantages with respect to diagnostic testing, including its easy accessibility, low cost and translatability to large-scale production, in addition to the fact that it can be ethically produced. In a pr...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Bentes GA,Lanzarini NM,Lima LR,Manso PP,da Silva Ados S,Mouta Junior Sda S,Guimarães JR,de Moraes MT,Pelajo-Machado M,Pinto MA

更新日期：2015-06-01 00:00:00

abstract：:Forty-four marsupials, 77 rodents and 161 ticks were captured in an Atlantic Forest Reserve in Cotia county, State of São Paulo, where human cases of Lyme disease (LD) simile were reported. Twenty-one borrelia-like spirochete isolates were recovered from the mammals' blood and rodent livers or spleens, and triturated ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Abel IS,Marzagão G,Yoshinari NH,Schumaker TT

更新日期：2000-09-01 00:00:00

abstract：:The chromatin of Trypanosoma congolense was analyzed by electron microscopy. The chromatin is organized as nucleosome filaments but does not form a 30 nm fiber. There are five groups of histones, including a histone H1-like protein, which as a molecular weight within the range of the core histones, and is extremely hy...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Schlimme W,Burri M,Betschart B,Hecker H

更新日期：1994-04-01 00:00:00

abstract：:A longitudinal study was conducted in Manaus, Brazil, to monitor changes of adult Aedes aegypti (L.) abundance. The objectives were to compare mosquito collections of two trap types, to characterise temporal changes of the mosquito population, to investigate the influence of meteorological variables on mosquito collec...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Degener CM,Ázara TM,Roque RA,Codeço CT,Nobre AA,Ohly JJ,Geier M,Eiras ÁE

更新日期：2014-12-01 00:00:00

abstract：:The haemolymph of Panstrongylus megistus showed a natural lectin activity for a wide range of vertebrate erythrocytes. Agglutination was observed against all vertebrate erythrocytes tested (human ABO, duck, rabbit, mouse, sheep, chicken and cow). Cow erythrocytes showed the lowest titre. Concerning human erythrocytes,...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Gomes YM,Furtado AF,De Carvalho AB

更新日期：1988-10-01 00:00:00

abstract：:A new species of Brazilian phlebotomine sandfly found in Brazil, municipality of Diamantina, state of Minas Gerais, is described based on males and females collected in a quartzite cave. The body of spermathecae is continuous to the individual duct, lanky and tapering at the end, with conical shaped, not striated and ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Barata RA,Serra e Meira PC,Carvalho GM

更新日期：2012-12-01 00:00:00

abstract：:The number of visceral leishmaniasis (VL) cases has increased over the past 10 years in Brazil, especially in the North and Northeast regions of the country. The aim of this study was to evaluate the urbanisation of VL vectors in Barcarena, Pará, an area in northern Brazil where VL is endemic. Sandflies were captured ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Oliveira DM,Saraiva EM,Ishikawa EA,Sousa AA,Silva EO,Silva IM

更新日期：2011-12-01 00:00:00

abstract：:Forty-three (31.4%) out of 137 serum samples obtained from two Indian communities living in the Amazon region were found to be positive for HTLV-I antibody, as tested by enzyme-linked immunosorbent assay (ELISA). Eighty-two sera were collected from Mekranoiti Indians, yielding 39% of positivity, whereas 11 (20.0%) of ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Nakauchi CM,Linhares AC,Maruyama K,Kanzaki LI,Macedo JE,Azevedo VN,Casseb JS

更新日期：1990-01-01 00:00:00

abstract：:Diphyllobothriasis is an infection of the small intestine by the broad tapeworm Diphyllobothrium sp. The associated symptomatology is nonspecific, but megaloblastic anemia is a well-described complication. Although the infection is common in temperate regions, descriptions in South America have so far been limited to ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Santos FL,de Faro LB

更新日期：2005-10-01 00:00:00

abstract：:The purpose of this study was to investigate the genotypes of Giardia lamblia from human and animal feces and their epidemiological and clinical characteristics in Argentina, South America. Seventy isolates, 60 from humans (adults and children), eight from dogs and two from cows were processed by polymerase chain reac...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Minvielle MC,Molina NB,Polverino D,Basualdo JA

更新日期：2008-02-01 00:00:00

abstract：:A survey was conducted in the hemodialysis population of the state of Tocantins, Brazil, aiming to assess the prevalence of hepatitis B virus (HBV) and hepatitis C virus (HCV) infections, to analyze associated risk factors, and also to investigate these viruses genotypes distribution. During January and March 2001, al...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Souza KP,Luz JA,Teles SA,Carneiro MA,Oliveira LA,Gomes AS,Dias MA,Gomes SA,Yoshida CF,Martins RM

更新日期：2003-07-01 00:00:00

abstract：:Resistance in Mycobacterium tuberculosis to isoniazid (INH) is caused by mutations in the catalase-peroxidase gene (katG), and within the inhA promoter and/or in structural gene. A small percentage (approximately 10%) of INH-resistant strains do not present mutations in both of these loci. Other genes have been associ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Cardoso RF,Cardoso MA,Leite CQ,Sato DN,Mamizuka EM,Hirata RD,de Mello FF,Hirata MH

更新日期：2007-02-01 00:00:00

abstract：:Several genes related to the ubiquitin (Ub)-proteasome pathway, including those coding for proteasome subunits and conjugation enzymes, are differentially expressed during the Schistosoma mansoni life cycle. Although deubiquitinating enzymes have been reported to be negative regulators of protein ubiquitination and sh...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Pereira RV,Vieira HG,Oliveira VF,Gomes Mde S,Passos LK,Borges Wde C,Guerra-Sá R

更新日期：2014-02-01 00:00:00

abstract：:More sensitive methodologies are necessary to improve strongyloidiasis diagnosis. This study compared the sensitivities of the McMaster modified technique and polymerase chain reaction (PCR) assays, both performed in faecal samples. Lewis rats were subcutaneously infected with 4,000, 400 or 40 infective third-stage la...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Marra NM,Chiuso-Minicucci F,Machado GC,Zorzella-Pezavento SF,França TG,Ishikawa LL,Amarante AF,Sartori A,Amarante MR

更新日期：2010-02-01 00:00:00

abstract：BACKGROUND:Enterocytozoon bieneusi are the most common microsporidia associated with different clinical manifestations such as diarrhoea, respiratory tract inflammation and acalculous cholecystitis, especially in immunocompromised patients. Infection usually occurs by ingestion of food and water contaminated with spore...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Yamashiro S,Fiuza VRDS,Teixeira ÂTLS,Branco N,Levy CE,Castro ICVS,Franco RMB

更新日期：2017-06-01 00:00:00

abstract：:BACKGROUND Fluctuations in climate have been associated with variations in mosquito abundance. OBJECTIVES To analyse the influence of precipitation, temperature, solar radiation, wind speed and humidity on the oviposition dynamics of Aedes aegypti in three distinct environmental areas (Brasília Teimosa, Morro da Conce...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Santos ICDS,Braga C,de Souza WV,de Oliveira ALS,Regis LN

更新日期：2020-01-01 00:00:00

abstract：:To compare the epidemiological profile and socioeconomic factors associated to the infection by Schistosoma mansoni in a rural and an urban endemic area a cross-sectional study was performed in Agua Branca de Minas (rural area) and Bela Fama (urban area), both situated in the State of Minas Gerais, Brazil. Two hundred...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Amorim MN,Rabello A,Contreras RL,Katz N

更新日期：1997-09-01 00:00:00

abstract：:The objective of this study was to evaluate the feeding behavior of Triatoma vitticeps through the identification of its food sources and the characterization of the blood ingestion process. In addition, we aimed to verify if the saliva of this vector interferes with the perception of the host during the feedings by c...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Souza Rde C,Soares AC,Alves CL,Lorosa ES,Pereira MH,Diotaiuti L

更新日期：2011-02-01 00:00:00

abstract：:Schistosoma mansoni is one of the three main causative agents of human schistosomiasis, a major health problem with a vast socio-economic impact. Recent advances in the proteomic analysis of schistosomes have revealed that peptidases are the main virulence factors involved in the pathogenesis of this disease. In this ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Silva LL,Marcet-Houben M,Zerlotini A,Gabaldón T,Oliveira G,Nahum LA

更新日期：2011-11-01 00:00:00

abstract：:The infection pattern in Swiss mice and Triatomine bugs (Rhodnius neglectus) of eleven clones and the original stock of a Trypanosoma cruzi isolate, derived from a naturally infected Didelphis marsupialis, were biochemically and biologically characterized. The clones and the original isolate were in the same zymodeme ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Lima VS,Mangia RH,Carreira JC,Marchevsky RS,Jansen AM

更新日期：1999-05-01 00:00:00

abstract：:Experimental infections by Trypanosoma (Megatrypanum) minasense were performed in primates - Saimiri sciureus and Callithrix penicillata - with the objective of searching for morphological variations of the blood trypomastigotes with respect to hosts and time of infection. We carried out morphological and morphometric...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Ziccardi M,Lourenco-de-Oliveira R

更新日期：1999-09-01 00:00:00

abstract：:In visceral leishmaniasis, phlebotomine vectors are targets for control measures. Understanding the ecosystem of the vectors is a prerequisite for creating these control measures. This study endeavours to delineate the suitable locations of Phlebotomus argentipes with relation to environmental characteristics between ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Kesari S,Bhunia GS,Kumar V,Jeyaram A,Ranjan A,Das P

更新日期：2011-08-01 00:00:00

abstract：:The population biology of three populations of Panstrongylus megistus was compared to determine possible influence on the behaviour and epidemiological importance of this species. The results demonstrated differences in terms of egg eclosion time, nymphal mortality and development rates, and feeding and defaecation ra...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Barbosa SE,Soares RP,Pires HH,Diotaiuti L

更新日期：2001-08-01 00:00:00