Lutzomyia diamantinensis sp. nov., a new phlebotomine species (Diptera: Psychodidae) from a quartzite cave in Diamantina, state of Minas Gerais, Brazil.

abstract：:Aspartyl proteases are a class of enzymes that include the yeast aspartyl proteases and secreted aspartyl protease (Sap) superfamilies. Several Sap superfamily members have been demonstrated or suggested as virulence factors in opportunistic pathogens of the genus Candida. Candida albicans, Candida tropicalis, Candida...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Parra-Ortega B,Cruz-Torres H,Villa-Tanaca L,Hernández-Rodríguez C

更新日期：2009-05-01 00:00:00

abstract：:In the present paper, we announce new draft genomes of four Leptospira interrogans strains named Acegua, RCA, Prea, and Capivara. These strains were isolated in the state of Rio Grande do Sul, Brazil, from cattle, dog, Brazilian guinea pig, and capybara, respectively. ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Kremer FS,Eslabão MR,Jorge S,Oliveira NR,Labonde J,Santos MN,Monte LG,Grassmann AA,Cunha CE,Forster KM,Moreno LZ,Moreno AM,Campos VF,McBride AJ,Pinto LS,Dellagostin OA

更新日期：2016-04-01 00:00:00

abstract：:Toxicological and toxicogenetic effects of aqueous (tea) and hexanic fruit extract of Indigofera suffruticosa Mill. and hydroalcoholic root extract of Solanum agrarium Stendt. were evaluated in Balb C male mice intraperitoneally exposed. A hepatotoxic effect was observed just for animals treated with aqueous fruit ext...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Ribeiro LR,Bautista AR,Silva AR,Sales LA,Salvadori DM,Maia PC

更新日期：1991-01-01 00:00:00

abstract：:Artemisinin is the active antimalarial compound obtained from the leaves of Artemisia annua L. Artemisinin, and its semi-synthetic derivatives, are the main drugs used to treat multi-drug-resistant Plasmodium falciparum (one of the human malaria parasite species). The in vitro susceptibility of P. falciparum K1 and 3d...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Silva LF,Magalhães PM,Costa MR,Alecrim Md,Chaves FC,Hidalgo Ade F,Pohlit AM,Vieira PP

更新日期：2012-11-01 00:00:00

abstract：:We present herein an improved assay for detecting the presence of extracellular proteases from microorganisms on agar plates. Using different substrates (gelatin, BSA, hemoglobin) incorporated into the agar and varying the culture medium composition, we were able to detect proteolytic activities from Pseudomonas aerug...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Vermelho AB,Meirelles MN,Lopes A,Petinate SD,Chaia AA,Branquinha MH

更新日期：1996-11-01 00:00:00

abstract：:The diagnosis of meningitic angiostrongyliasis (MA) is based on clinical criteria. A lumbar puncture is used as a diagnostic tool, but it is an invasive procedure. The blood eosinophil levels are also assessed and used in the diagnosis of this disease. We enrolled 47 patients with serologically proven MA and 131 contr...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Sawanyawisuth K,Sawanyawisuth K,Senthong V,Limpawattana P,Intapan PM,Tiamkao S,Jitpimolmard S,Chotmongkol V,Barrett-Connor E

更新日期：2010-11-01 00:00:00

abstract：:A closed Lutzomyia longipalpis colony, from Ceará has been used to transmit Leishmania chagasi isolated from a fox in Pará state. The last time this colony was successfully used in similar transmission experiments was eight years (64 generations) ago indicating that this colony of Lu. longipalpis has fully maintained ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Gonçalves MD,Ryan L,Lainson R,Shaw JJ

更新日期：1985-07-01 00:00:00

abstract：:In Brazil, malaria still remains a clinically important febrile syndrome for local populations and travelers, occurring mostly in the Amazon Basin. This review aims to report the main efforts employed to control this disease since the 1940s and the emergence of Plasmodium falciparum and Plasmodium vivax chemoresistanc...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Gama BE,Lacerda MV,Daniel-Ribeiro CT,Ferreira-da-Cruz Mde F

更新日期：2011-08-01 00:00:00

abstract：:A study of crepuscular and night-biting mosquitoes was conducted at remote settlements along the Padauiri River, middle Negro River, state of Amazonas, Brazil. Collections were performed with human bait and a CDC-light trap on three consecutive days per month from June 2003-May 2004. In total, 1,203 h of collection we...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Suárez-Mutis MC,Fé NF,Alecrim W,Coura JR

更新日期：2009-02-01 00:00:00

abstract：:From 1970 to 1982, 884 cases of human leptospirosis were serologically diagnosed at the Leptospirosis Laboratory, Fundação Oswaldo Cruz - FIOCRUZ, by means of the microscopic agglutination test. Of these patients, 775 were hospitalized in the city of Rio de Janeiro, and 109 were reported by other Brazilian cities. Ict...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Andrade J,Brandão AP

更新日期：1987-01-01 00:00:00

abstract：:BACKGROUND Paracoccidioides spp. causes paracoccidioidomycosis (PCM), an important and frequent systemic mycosis that occurs in Latin America. The infectious process begins with contact between the fungus and lung cells, and the molecular pattern of this interaction is currently poorly understood. MicroRNAs (miRNAs) a...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Singulani JL,Silva JFD,Gullo FP,Costa MC,Fusco-Almeida AM,Enguita FJ,Mendes-Giannini MJS

更新日期：2020-01-01 00:00:00

abstract：:This article reviews current concepts of the biology of Endotrypanum spp. Data summarized here on parasite classification and taxonomic divergence found among these haemoflagellates come from our studies of molecular characterization of Endotrypanum stocks (representing an heterogenous population of reference strains ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Franco AM,Grimaldi G Jr

更新日期：1999-03-01 00:00:00

abstract：:The goals of the present study were to evaluate the kinetics of blood parasitism by examination of fresh blood, blood culture (BC) and PCR assays and their correlation with heart parasitism during two years of infection in Beagle dogs inoculated with the Be-78, Y and ABC Trypanosoma cruzi strains. Our results showed t...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Veloso VM,Guedes PM,Andrade IM,Caldas IS,Martins HR,Carneiro CM,Machado-Coelho GL,de Lana M,Galvão LM,Bahia MT,Chiari E

更新日期：2008-09-01 00:00:00

abstract：:This study aims to investigate the importance of the serum factors present in the plasma of resistant Biomphalaria tenagophila snails, when transferred to susceptible conspecific. Susceptible B. tenagophila (CF) received plasma from resistant B. tenagophila (Taim), and both were later infected with Schistosoma mansoni...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Coelho JR,Bezerra FS

更新日期：2006-02-01 00:00:00

abstract：:Few studies are available on hepatitis B virus (HBV), hepatitis C virus (HCV) and human immunodeficiency virus (HIV) co-infection in populations living in small and medium-sized Brazilian cities. We evaluated the seroprevalence of these viruses in selected individuals from a clinic of infectology, who were referred to...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Portelinha Filho AM,Nascimento CU,Tannouri TN,Troiani C,Ascêncio EL,Bonfim R,D'Andrea LA,Prestes-Carneiro LE

更新日期：2009-11-01 00:00:00

abstract：:The susceptibility of Anopheles aquasalis (F3 generation) and An. darlingi (F1 generation) to Plasmodium vivax circumsporozoite protein phenotypes from a limited number of blood samples of malaria patients in Belém, state of Pará, Brazil, was examined A polymerase chain reaction was used to determine the P. vivax phen...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： da Silva AN,Santos CC,Lacerda RN,Machado RL,Póvoa MM

更新日期：2006-08-01 00:00:00

abstract：:Certifying the absence of Chagas disease transmission by native vectors lacks scientific grounds and weakens long-term control-surveillance systems to the detriment of people living under risk conditions. Instead, a regular "certification of good practice" (including vector control-surveillance, case detection/patient...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Abad-Franch F,Diotaiuti L,Gurgel-Gonçalves R,Gürtler RE

更新日期：2013-04-01 00:00:00

abstract：:Studies were conducted to determine the selection of humans, chickens and rabbits by Culicidae in three different environments in the province of Chaco, Argentina. Mosquitoes were collected fortnightly using cylindrical metal traps containing animal bait (chickens and rabbits). The mosquitoes were collected between Ju...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Stein M,Zalazar L,Willener JA,Almeida FL,Almirón WR

更新日期：2013-08-01 00:00:00

abstract：:This article tries to demonstrate by new pathological findings (with the use of immunohistochemical technique and confocal laser microscopy) that chronic chagasic cardiomyopathy is a result of multiple factors involving myocarditis, immunodepression, severe fibrosis and microvessels dilatation and that all of these al...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： de Lourdes Higuchi M

更新日期：1999-01-01 00:00:00

abstract：:Many lines of Plasmodium falciparum undergo a deletion of the right end of chromosome 9 during in vitro culture accompanied by loss of cytoadherence and gametocytogenesis. Selection of cytoadherent cells from a mixed population co-selects for those with an undeleted chromosome 9 and the selected cells produce gametocy...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Kemp DJ,Thompson J,Barnes DA,Triglia T,Karamalis F,Petersen C,Brown GV,Day KP

更新日期：1992-01-01 00:00:00

abstract：:The family Nematotaeniidae, tapeworms commonly found in the small intestines of amphibians and reptiles, includes 27 recognised species distributed among four genera: Bitegmen Jones, Cylindrotaenia Jewell, Distoichometra Dickey and Nematotaenia Lühe. The taxonomy of these cestodes is poorly defined, due in part to the...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Melo FT,Giese EG,Furtado AP,Soares MJ,Gonçalves EC,Vallinoto AC,Santos JN

更新日期：2011-09-01 00:00:00

abstract：:Multi-resistant gram-negative rods are important pathogens in intensive care units (ICU), cause high rates of mortality, and need infection control measures to avoid spread to another patients. This study was undertaken prospectively with all of the patients hospitalized at ICU, Anesthesiology of the Hospital São Paul...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Martins ST,Moreira M,Furtado GH,Marino CG,Machado FR,Wey SB,Medeiros EA

更新日期：2004-05-01 00:00:00

abstract：:The diagnosis of single-lesion paucibacillary leprosy remains a challenge. Reviews by expert dermatopathologists and quantitative polymerase chain reaction (qPCR) results obtained from 66 single-plaque biopsy samples were compared. Histological findings were graded as high (HP), medium (MP) or low (LP) probability of ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Barbieri RR,Sales AM,Illarramendi X,Moraes MO,Nery JA,Moreira SJ,Sarno EN,Machado Ade M,Bozza FA

更新日期：2014-11-01 00:00:00

abstract：:Methicillin resistant Staphylococcus aureus (MRSA) is an organism that is frequently transmitted in hospitals and perinatal units. The MRSA is considered a public health problem in neonatology because of its strong potential for dissemination in the wards associated with high rates of morbidity and mortality. In this ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Loureiro MM,de Moraes BA,Quadra MR,Pinheiro GS,Suffys PN,Asensi MD

更新日期：2000-11-01 00:00:00

abstract：:CD8+ T cells have been implicated as critical effector cells in protection against the pre-erythrocytic stage of malaria in mice and humans following irradiated sporozoite immunization. Immunization experiments in animal models by several investigators have suggested different strategies for vaccination against malari...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Oliveira-Ferreira J,Daniel-Ribeiro C

更新日期：2001-02-01 00:00:00

abstract：:Data analysis, presentation and distribution is of utmost importance to a genome project. A public domain software, ACeDB, has been chosen as the common basis for parasite genome databases, and a first release of TcruziDB, the Trypanosoma cruzi genome database, is available by ftp from ftp://iris.dbbm.fiocruz.br/pub/g...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Degrave W,de Miranda AB,Amorim A,Brandão A,Aslett M,Vandeyar M

更新日期：1997-11-01 00:00:00

abstract：:Patients with acute schistosomiasis were studied before and after oxamniquine treatment. They had been exposed to cercariae 5 to 9 weeks before, and presented compatible clinical manifestations, eosinophilia, and high levels of total IgE. Interferon-gamma (IFN-gamma) and interleukin-4 were measured by ELISA in whole b...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： de Souza JR,Morais CN,Aroucha ML,Miranda PJ,Barbosa CS,Domingues AL,Carvalho Júnior LB,Abath FG,Montenegro SM

更新日期：2007-05-01 00:00:00

abstract：:We report the prevalence of human papillomavirus type 16 (HPV-16) variants in women with cervical lesions from the Federal District, Central Brazil. We analyzed 34 HPV-16 samples, identifying the sequence variations of E6 and L1 genes and correlating variant frequency with disease status. The most prevalent HPV-16 var...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Cruz MR,Cerqueira DM,Cruz WB,Camara GN,Brígido MM,Silva EO,Carvalho LG,Martins CR

更新日期：2004-05-01 00:00:00

abstract：:The phlebotomine sand flies Nyssomyia intermedia (Lutz & Neiva, 1912) and Nyssomyia neivai (Pinto, 1926) are very close and may be involved in the transmission of Leishmania spp. Ross, 1903 in Brazil. The biology of the first laboratory-reared generations of these species, descended from insects captured in Além Paraí...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Andrade Filho JD,Galati EA,Falcão AL

更新日期：2004-10-01 00:00:00

abstract：:In C57Bl/6 strain mice vaccinated with radiation-attenuated cercariae of Schistosoma mansoni immune elimination of challenge parasites occurs in the lungs. Leucocytes were recovered from the lungs of such mice by bronchoalveolar lavage and cultured in vitro with larval antigen; the profile of cytokines released was th...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Wilson RA

更新日期：1992-01-01 00:00:00