The in vitro activity of fatty diamines and amino alcohols against mixed amastigote and trypomastigote Trypanosoma cruzi forms.

abstract：:A kinetic study of the cells present in the spleen of BALB/c mice infected with Schistosoma mansoni was carried out. The lymphocytes were evaluated phenotypically with monoclonal antibodies and the effect of splenectomy on the modulation of periovular granuloma was also investigated. The infected mice had proportional...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Arruda SM,Santoro F,Sadigursky M

更新日期：1993-01-01 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：:Epstein-Barr virus (EBV) plays a major role in liver pathology. Similar to other members of the herpesvirus family, EBV establishes a persistent infection in more than 90% of adults. The aim of this study was to evaluate the impact of EBV and chronic hepatitis C co-infection (HCV) on biochemical and immunological resp...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Shoman S,Nabil M,Tabl A,Ghanem H,Kafrawy SE

更新日期：2014-09-01 00:00:00

abstract：:The Americas are presently experiencing the most serious known outbreak of Zika virus (ZIKV). Here, we present a novel set of analyses using environmental characteristics, vector mosquito distributions, and socioeconomic risk factors to develop the first map to detail global ZIKV transmission risk in multiple dimensio...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Samy AM,Thomas SM,Wahed AA,Cohoon KP,Peterson AT

更新日期：2016-09-01 00:00:00

abstract：:During studies of Simuliidae at a suspected new focus of human onchocerciasis in central Brazil a new species of Simulium was found. Full descriptions of the adults and pupae of this species, S. cuasiexiguum, are described here, its affinities to closely related species in the subgenus Notolepria are discussed and its...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Shelley AJ,Luna Dias AP,Maia-Herzog M,Lowry CA,Garritano PR,Penn M,Camargo M

更新日期：2001-05-01 00:00:00

abstract：:Molecular characterization of one stable strain of Trypanosoma cruzi, the 21 SF, representative of the pattern of strains isolated from the endemic area of São Felipe, State of Bahia, Brazil, maintained for 15 years in laboratory by serial passages in mice and classified as biodeme Type II and zymodeme 2 has been inve...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Campos RF,Gonçalves MS,dos Reis EA,dos Reis MG,Andrade SG

更新日期：1999-01-01 00:00:00

abstract：:Antibodies against heart vascular structures and striated muscle cells interstitium (EVI antibodies) persist in Chagas' disease patients who had been cured by specific treatment as demonstrated by negative xenodiagnosis, conventional serology (CS) and complement mediated lysis (CoML). On the other hand, EVI antibodies...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Brener Z,Ramirez LE,Krettli AU,Cançado JR

更新日期：1983-10-01 00:00:00

abstract：:Feline coprolites were examined for parasites with the aim of studying ancient infections that occurred in the Patagonian region during the Holocene period. Eggs compatible to Trichuris sp., Calodium sp., Eucoleus sp., Nematodirus sp., Oesophagostomum sp. (Nematoda), Monoecocestus sp. (Cestoda) and Eimeria macusaniens...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Fugassa MH,Beltrame MO,Bayer MS,Sardella NH

更新日期：2009-12-01 00:00:00

abstract：:Rhodnius ecuadoriensis is the second most important vector of Chagas Disease (CD) in Ecuador. The objective of this study was to describe (and compare) the life cycle, the feeding and defecation patterns under laboratory conditions of two populations of this specie [from the provinces of Manabí (Coastal region) and Lo...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Villacís AG,Arcos-Terán L,Grijalva MJ

更新日期：2008-11-01 00:00:00

abstract：:Preparations of simian rotavirus SA11 maintained in different laboratories were compared with each other by polyacrylamide gel electrophoresis of genomic RNA. Differences in the migration of genome segments 4, 5 and 7 allowed the classification of eight virus preparations into four electrophoretic types. ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Pereira HG,Gouvea VS,Fialho AM

更新日期：1986-10-01 00:00:00

abstract：:This study was undertaken to investigate the prevalence of Mansonella ozzardi infection and to estimate the parasitic infection rate (PIR) in simuliid black flies in the municipality of Pauini, Amazonas, Brazil. We used thick blood films to examine 921 individuals in 35 riverine communities along the Pauini and Purus ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Medeiros JF,Py-Daniel V,Barbosa UC,Izzo TJ

更新日期：2009-02-01 00:00:00

abstract：:The main purpose of the present study was to examine if there is difference in terms of incidence rates of congenital toxoplasmosis among populations assisted in public and private hospitals from Uberlândia, state of Minas Gerais, Brazil. A total of 805 serum samples from cord blood were collected, being 500 from publ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Segundo GR,Silva DA,Mineo JR,Ferreira MS

更新日期：2004-02-01 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：:The authors investigated the distribution of lectin receptors on Trypanosoma cruzi blood forms collected from mice inoculated with, respectively, the drug-resistant and drug-sensitive strains VL-10 and CL, and treated with the two standard active nitroheterocyclic compounds nifurtimox and benznidazole used for treatme...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Fontes G,Romanha AJ,Pereira ME,Brener Z

更新日期：1991-07-01 00:00:00

abstract：:Enteropathogenic E. coli (EPEC) infection of Hep-2 cells proceeds through bacterial attachment to cell surface and internalization of adhered bacteria. EPEC attachment is a prerequisite for cell infection and is mediated by adhesins that recognize carbohydrate-containing receptors on cell membrane. Such endocytosis-in...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Andrade JR,Da Silva CC

更新日期：1987-01-01 00:00:00

abstract：:This review presents up-to-date information on the distribution and control measures of babesiosis in Latin America. Bovine babesiosis caused by Babesia bovis and B. bigemia will be emphasized. The disease is endemic in most countries and poses a serious economic burden on livestock production in the region (U.S. $136...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Montenegro-James S

更新日期：1992-01-01 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：:This study aimed to evaluate well-documented diagnostic antigens, named B13, 1F8 and JL7 recombinant proteins, as potential markers of seroconversion in treated chagasic patients. Prospective study, involving 203 patients treated with benznidazole, was conducted from endemic areas of northern Argentina. Follow-up was ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Niborski LL,Grippo V,Lafón SO,Levitus G,García-Bournissen F,Ramirez JC,Burgos JM,Bisio M,Juiz NA,Ayala V,Coppede M,Herrera V,López C,Contreras A,Gómez KA,Elean JC,Mujica HD,Schijman AG,Levin MJ,Longhi SA

更新日期：2016-05-24 00:00:00

abstract：:Type I diabetes mellitus (insulin-dependent DM = IDDM) is a chronic disease characterized by specific destruction of pancreatic beta cells, resulting in an absolute lack of insulin. Immune mechanisms, genetic susceptibility, and environmental factors are all implicated in the pathogenesis of Type 1 diabetes. This stud...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Fidan I,Yüksel S,Kalkanci A,Imir T,Kustimur S

更新日期：2005-12-01 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：:Seasonal variation in container productivity and infestation levels by Aedes aegypti were evaluated in two areas with distinct levels of urbanization degrees in Rio de Janeiro, a slum and a suburban neighborhood. The four most productive containers can generate up to 90% of total pupae. Large and open-mouthed containe...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Maciel-de-Freitas R,Marques WA,Peres RC,Cunha SP,de Oliveira RL

更新日期：2007-06-01 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：:The global malaria situation has scarcely improved in the last 100 years, despite major advances in our knowledge of the basic biology, epidemiology and clinical basis of the disease. Effective malaria control, leading to a significant decrease in the morbidity and mortality attributable to malaria, will require a mul...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Riley EM

更新日期：2000-01-01 00:00:00

abstract：:The Kilombero Malaria Project (KMP) attempts to define operationally useful indicators of levels of transmission and disease and health system relevant monitoring indicators to evaluate the impact of disease control at the community or health facility level. The KMP is a longitudinal community based study (N = 1024) i...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Teuscher T

更新日期：1992-01-01 00:00:00

abstract：:In Brazil, until 2004, the immunization policy against diphtheria involved childhood vaccination with no official routine booster dose administered after 15 years of age. This study assessed functional antibody levels against diphtheria among blood donors. A total of 140 blood samples were collected, and diphtheria an...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Pimenta FP,Damasco PV,Cerbino Neto J,Lopes GS,Hirata R Jr,Milagres LG,Mattos-Guaraldi AL

更新日期：2006-06-01 00:00:00

abstract：:Nontuberculous mycobacteria are ubiquitous and saprophytic organisms that have been implicated in a wide spectrum of diseases due to an increasing number of immunocompromised patients. The natural resistance of atypical mycobacteria to classical antituberculous drugs has encouraged research into new chemotherapeutic a...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Silva JL,Mesquita AR,Ximenes EA

更新日期：2009-07-01 00:00:00

abstract：:Trypanosoma cruzi acute infections often go unperceived, but one third of chronically infected individuals die of Chagas disease, showing diverse manifestations affecting the heart, intestines, and nervous systems. A common denominator of pathology in Chagas disease is the minimal rejection unit, whereby parasite-free...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Teixeira AR,Nascimento RJ,Sturm NR

更新日期：2006-08-01 00:00:00

abstract：BACKGROUND:The detection of live Mycobacterium leprae in soil and animals other than humans suggests that the environment plays a role in the transmission of leprosy. OBJECTIVE:The objective of this study was to investigate the presence of viable M. leprae in natural water sources used by the local population in five ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Arraes MLBM,Holanda MV,Lima LNGC,Sabadia JAB,Duarte CR,Almeida RLF,Kendall C,Kerr LRS,Frota CC

更新日期：2017-12-01 00:00:00

abstract：:The four dominant outer membrane proteins (46, 38, 33 and 28 kDa) were detected by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) in a semi-purified preparation of vesicle membranes of a Neisseria meningitidis (N44/89, B:4:P1.15:P5.5,7) strain isolated in Brazil. The N-terminal amino acid sequenc...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： De Simone SG,Soares SA,Souza AL,Danelli MG

更新日期：1996-01-01 00:00:00

abstract：:Sixty eight patients with localized cutaneous leishmaniasis from an area with Leishmania (Viannia) braziliensis transmission had cultures performed with a modified Marzochís vacuum aspiratory puncture technique to establish sensitivity and contamination rate with this new method. Overall sensitivity of three aspirates...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Romero GA,Sampaio RN,Macedo Vde O,Marsden PD

更新日期：1999-07-01 00:00:00