Phylogeny, ultrastructure, histopathology and prevalence of Myxobolus oliveirai sp. nov., a parasite of Brycon hilarii (Characidae) in the Pantanal wetland, Brazil.

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：:The effect of deltamethrin of the sandfly population in a focus of American Cutaneous Leishmaniasis in Viana, Espírito Santo State is described. The phlebotomine population density was determined inside and outside houses during a one year period in a treated and untreated area. The results showed a significant reduct...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Falcão AL,Falcão AR,Pinto CT,Gontijo CM,Falqueto A

更新日期：1991-10-01 00:00:00

abstract：:Schistosomiasis in America with the exception of Brazil, behaves as a chronic mild disease with few clinical manifestations due to low parasite burden. These features restrict the clinical and parasitological diagnosis. The most commonly used stool examination method, Kato-Katz, becomes insensitive when the majority o...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： de Noya BA,Noya O,Balzan C,Cesari IM

更新日期：1992-01-01 00:00:00

abstract：:Several studies conducted all over the world have reported that the influenza virus is associated with great morbidity and mortality rates. In this study, we analyzed the incidence of the influenza virus between 2000 and 2003 in Curitiba. We studied 1621 samples obtained from outpatients and hospitalized patients of b...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Vidal LR,Siqueira MM,Nogueira MB,Raboni SM,Pereira LA,Takahashi GR,Rotta I,Debur Mdo C,Dalla-Costa LM

更新日期：2008-03-01 00:00:00

abstract：:Molecular evidence showed 46.2% of Trypanosoma cruzi infection in Mepraia spinolai insects from North-Central Chile, which is significantly higher than previous reports of up to 26% by microscopic observation. Our results show similar infection levels among nymphal stages, ranging from 38.3 to 54.1%, indicating that y...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Botto-Mahan C,Ortiz S,Rozas M,Cattan PE,Solari A

更新日期：2005-05-01 00:00:00

abstract：:A sylvatic Triatoma infestans DM (dark morph) population detected in the Bolivian Chaco was characterized and compared with various domestic ones. The degree of differentiation of DM was clearly within the T. infestans intra-specific level. Nevertheless marked chromatic and morphometric differences as well as differen...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Noireau F,Bastrenta B,Catalá S,Dujardin JP,Panzera F,Torres M,Perez R,Galvão C,Jurberg J

更新日期：2000-01-01 00:00:00

abstract：BACKGROUND:Hepatitis delta virus (HDV) infections in hepatitis B virus (HBV) carriers are the most severe form of viral hepatitis. HDV prevalence is high in the Brazilian Amazon, but studies in other regions of the country are still scarce and often underestimated its prevalence by including a small numbers of individu...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Scarponi CF,Kroon EG,Vieira DS,Fernandes AP,Gomes KB,Mota BE

更新日期：2019-01-01 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：: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：:We analyzed prospectively 326 laboratory-confirmed, uncomplicated malarial infections (46.3% due to Plasmodium vivax, 35.3% due to P. falciparum, and 18.4% mixed-species infections) diagnosed in 162 rural Amazonians aged 5-73 years. Thirteen symptoms (fever, chills, sweating, headache, myalgia, arthralgia, abdominal p...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： da Silva-Nunes M,Ferreira MU

更新日期：2007-06-01 00:00:00

abstract：:Predictions that deforestation would reduce American cutaneous leishmaniasis incidence have proved incorrect. Presentations at a recent international workshop, instead, demonstrated frequent domestication of transmission throughout Latin America. While posing new threats, this process also increases the effectiveness ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Campbell-Lendrum D,Dujardin JP,Martinez E,Feliciangeli MD,Perez JE,Silans LN,Desjeux P

更新日期：2001-02-01 00:00:00

abstract：:The kidney trematode Paratanaisia bragai is reported for the first time parasitizing the ring-necked pheasant (Phasianus colchicus L., 1758) and the pathological alterations associated to the parasitism are referred on the basis of 50 specimens of this bird from backyard flocks in 11 counties of the state of Rio de Ja...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Gomes DC,Menezes RC,Tortelly R,Pinto RM

更新日期：2005-05-01 00:00:00

abstract：:Coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a highly contagious infection that may break the healthcare system of several countries. Here, we aimed at presenting a critical view of ongoing drug repurposing efforts for COVID-19 as well as discussing ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Senger MR,Evangelista TCS,Dantas RF,Santana MVDS,Gonçalves LCS,de Souza Neto LR,Ferreira SB,Silva-Junior FP

更新日期：2020-10-02 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：:This study aimed at identifying the best ovitrap installation sites for gravid Aedes aegypti in Mirassol, state of São Paulo, Brazil. Ovitraps were installed in ten houses per block over ten blocks. Four ovitraps were placed per residence, one in the bedroom, one in the living room, and two outdoors with one in a shel...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Dibo MR,Chiaravalloti-Neto F,Battigaglia M,Mondini A,Favaro EA,Barbosa AA,Glasser CM

更新日期：2005-07-01 00:00:00

abstract：:Goats from the Venezuelan northern arid zones were found infested by the following nematodes: Haemonchus contortus, Trichostrongylus axei, T. colubriformis, Cooperia curticei, Oesophagostomum columbianum, Skrjabinema ovis y Trichuris globulosa. The Shannon-Weaver index of diversity values oscillated between 0.045 and ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Morales G,Pino LA,Aldana E,Perdomo L,Molina E

更新日期：1986-04-01 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：:A pleiotropic response to the calpain inhibitor MDL28170 was detected in the tomato parasite Phytomonas serpens. Ultrastructural studies revealed that MDL28170 caused mitochondrial swelling, shortening of flagellum and disruption of trans Golgi network. This effect was correlated to the inhibition in processing of cru...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Oliveira SS,Gonçalves DS,Garcia-Gomes AD,Gonçalves IC,Seabra SH,Menna-Barreto RF,Lopes AH,D'Avila-Levy CM,Santos AL,Branquinha MH

更新日期：2017-01-01 00:00:00

abstract：:A major advance in our understanding of the natural history of Schistosoma haematobium-related morbidity has come through the introduction of the portable ultrasound machines for non-invasive examination of the kidneys and bladder. With the use of generators or battery packs to supply power in non-clinical field setti...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： King CH

更新日期：2002-01-01 00:00:00

abstract：:Schistosoma mansoni was introduced in the Senegal basin around 1988, due to man-made ecological changes. Since 1991, we investigate a recent but very intense focus, Ndombo, a village near the city of Richard Toll where the outbreak was first described. Four cohorts, each a random sample (+/- 400 subjects each) from th...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Gryseels B,Stelma F,Talla I,Polman K,Van Dam G,Sow S,Diaw M,Sturrock RF,Decam C,Niang M

更新日期：1995-03-01 00:00:00

abstract：:An experimental model for acquired and congenital ocular toxoplasmosis as well as a model to induce experimental autoimmune uveitis (EAU) was investigated in Calomys callosus. Toxoplasma gondii, ME-49 strain, was used to infect males and pregnant- and not pregnant-females while S-antigen, a major glycoprotein of the r...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Pereira Mde F,Silva DA,Ferro EA,Mineo JR

更新日期：1999-01-01 00:00:00

abstract：:The characteristics of tuberculosis (TB) patients related to a chain of recent TB transmissions were investigated. Mycobacterium tuberculosis (MTB) isolates (120) were genotyped using the restriction fragment length polymorphism-IS6110 (R), spacer oligotyping (S) and mycobacterial interspersed repetitive units-variabl...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Peñuelas-Urquides K,Martínez-Rodríguez HG,Enciso-Moreno JA,Molina-Salinas GM,Silva-Ramírez B,Padilla-Rivas GR,Vera-Cabrera L,Torres-de-la-Cruz VM,Martínez-Martínez YB,Ortega-García JL,Garza-Treviño EN,Enciso-Moreno L,Saucedo-Cárd

更新日期：2014-09-01 00:00:00

abstract：:In laboratory trials an aqueous solution of Piquerol A from Piqueria trinervia, collected in several regions of Mexico, showed a molluscicide action on the adults of eight different pulmonates snails species: Fossaria (Fossaria) humilis, F. (Bakerilymnaea) sp., Pseudosuccinea columella and Stagnicola attenuata from Me...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Cruz-Reyes A,Chavarin C,Campos Arias MP,Taboada J,Jimenez M

更新日期：1989-01-01 00:00:00

abstract：:Genetic typing of pathogenic agents and of vectors has known impressive developments in the last 10 years, thanks to the progresses of molecular biology, and to the contribution of the concepts of evolutionary genetics. Moreover, we know more and more on the genetic susceptibility of man to infectious diseases. I prop...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Tibayrenc M

更新日期：1998-09-01 00:00:00

abstract：:Toxocara cati is a common feline parasite transmitted by the ingestion of embryonated eggs, by the transmammary route or by predation of paratenic hosts harbouring third-stage larvae in their bodies. In the present study, the larval distribution of T. cati in tissues and organs of Rattus norvegicus experimentally infe...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Santos SV,Lescano SZ,Castro JM,Chieffi PP

更新日期：2009-09-01 00:00:00

abstract：:Ascorbate peroxidases (APX) are class I heme-containing enzymes that convert hydrogen peroxide into water molecules. The gene encoding APX has been characterized in 11 strains of Trypanosoma cruzi that are sensitive or resistant to benznidazole (BZ). Bioinformatic analysis revealed the presence of two complete copies ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Nogueira FB,Rodrigues JF,Correa MM,Ruiz JC,Romanha AJ,Murta SM

更新日期：2012-06-01 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：:Different molecular-genetic methods were used to identify a cohort of Leishmania strains from natural foci of zoonotic cutaneous leishmaniasis located in Central Asia, on the former USSR territory. The results obtained using isoenzymes, PCR, restriction fragment length polymorphisms of kDNA and molecular hybridization...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Strelkova MV,Pacheco RS,Bulat SA,Rakitskaya TA

更新日期：1997-01-01 00:00:00

abstract：:Angiostrongylus costaricensis lives in the cecal and mesenteric arteries of its vertebrate hosts, and causes an inflammatory disease in humans. To investigate unknown aspects of the abdominal angiostrogyliasis pathogenesis, infected Sigmodon hispidus were sequentially studied in different times of infection. The study...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Mota EM,Lenzi HL

更新日期：2005-07-01 00:00:00

abstract：:BACKGROUND Chagas disease, resulting from Trypanosoma cruzi infections, continues to be a health concern mainly in Latin American countries where the parasite is endemic. The laboratory diagnosis of a chronic infection is determined through serological assays for antibodies against T. cruzi and several tests are avail...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Sáez-Alquezar A,Junqueira ACV,Durans ADM,Guimarães AV,Corrêa JA,Provance DW Jr,Cabello PH,Coura JR,Viñas PA

更新日期：2020-01-01 00:00:00