Biology of the first generation of a laboratory colony of Nyssomyia intermedia (Lutz & Neiva, 1912) and Nyssomyia neivai (Pinto, 1926) (Diptera: Psychodidae).

abstract：:Discs of polyvinyl alcohol cross-linked with glutaraldehyde were synthesized under acid catalysis (H2SO4). Then, the antigen F1 purified from Yersinia pestis was covalently linked to this modified polymer. Afterwards, an enzyme-linked immunosorbent assay (ELISA) was established for the diagnosis of plague in rabbit an...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Araujo AM,Petribú AT,Sales Barbosa GH,Diniz JR,de Almeida AM,Mendes Azevedo W,Malagueño E,Carvalho Júnior LB

更新日期：1996-03-01 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：:Granuloma size is the variable most frequently used to evaluate the immunopathogenesis of schistosome infections. However, hepatic fibrosis is at the least an equally relevant variable. Hepatic fibrosis and the size of circumoval granulomas are frequently dissociated in experimental murine Schistosoma mansoni and S. j...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Cheever AW

更新日期：1997-09-01 00:00:00

abstract：:Nitroarylidenemalononitriles and their cyanoacetamide derivatives with remarkable anti-epimastigote properties, were synthesized attempting to obtain new 3,5-diamino-4-(5'-nitroarylidene)-4H-thiadiazine 1,1-dioxide derivatives, which in previous reports had shown anti-Trypanosoma cruzi activity. Tests to evaluate the ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Muelas-Serrano S,Le-Senne A,Fernandez-Portillo C,Nogal JJ,Ochoa C,Gomez-Barrio A

更新日期：2002-06-01 00:00:00

abstract：:The lymneid snail Lymnaea bogotensis Pilsbry 1935 is synonymized with L. cousini Jousseaume 1887, based on morphological comparisons of the reproductive systems. The shell, renal tube, and reproductive system are described and illustrated from specimens collected in the type locality and the municipality of Paipa, Col...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Velásquez LE

更新日期：2006-11-01 00:00:00

abstract：:In 2008, we have celebrated the centenary of the discovery of Toxoplasma gondii.Although this ubiquitous protozoan can generate devastating damage in foetuses and newborns, its treatment is the only field in which we have made little progress, despite a huge body of research, and has not yet been validated. Pregnant w...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Peyron F

更新日期：2009-03-01 00:00:00

abstract：:In the present paper, we developed a primary culture of Rhodnius prolixus salivary gland and main salivary canal cells. Cells remained viable in culture for 30 days. Three types of cells were indentified in the salivary gland cultures, with binuclear cells being the most abundant. The supernatants of salivary cultures...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Rocha FF,Araujo RN,Silva LM,Gontijo NF,Pereira MH

更新日期：2010-03-01 00:00:00

abstract：BACKGROUND:In recent years, South America has suffered the burden of continuous high impact outbreaks of dengue, chikungunya and Zika. Aedes aegypti is the main mosquito vector of these arboviruses and its control is the only solution to reduce transmission. OBJECTIVES:In order to improve vector control it is essentia...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Salgueiro P,Restrepo-Zabaleta J,Costa M,Galardo AKR,Pinto J,Gaborit P,Guidez A,Martins AJ,Dusfour I

更新日期：2019-09-23 00:00:00

abstract：:Some species of Amphibia and Reptilia are listed as new hosts of spargana, from material deposited in the Helminthological Collection of Oswaldo Cruz Institute. It is discussed the difficulties in identifying the larvae (Sparganum) and also the identification of adults of Luheella species from South America. The histo...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Rego AA,Schäffer GV

更新日期：1992-01-01 00:00:00

abstract：:Chronic Chagas disease diagnosis relies on laboratory tests due to its clinical characteristics. The aim of this research was to review commercial enzyme-linked immunosorbent assay (ELISA) and polymerase chain reaction (PCR) diagnostic test performance. Performance of commercial ELISA or PCR for the diagnosis of chron...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Brasil PE,Castro R,Castro Ld

更新日期：2016-01-01 00:00:00

abstract：:Twenty six coprolites from an archaeological site in the province of Iquique, northern Chile, were examined for parasites. Coprolites were found in two excavation units, I and II (Tiliviche site), dated respectively at 5,900 B.C. to 4,110 B.C. and 4,110 B.C. to 1,950 B.C., and identified as of human origin. Only at th...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Ferreira LF,de Araújo AJ,Confalonieri UE,Nuñez L

更新日期：1984-04-01 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：: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：: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：BACKGROUND:Increasing evidence suggests that human papillomavirus (HPV) intratype variants (specific lineages and sublineages) are associated with pathogenesis and progression from HPV infection to persistence and the development of cervical cancer. OBJECTIVES:This study aimed to verify the prevalence of HPV infection...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： de Oliveira GR,Vieira VC,Ávila EC,Finger-Jardim F,Caldeira TD,Gatti FA,Gonçalves CV,Oliveira SG,da Hora VP,Soares MA,de Martinez AM

更新日期：2017-07-01 00:00:00

abstract：:It is generally accepted that Plasmodium vivax, the most widely distributed human malaria parasite, causes mild disease and that this species does not sequester in the deep capillaries of internal organs. Recent evidence, however, has demonstrated that there is severe disease, sometimes resulting in death, exclusively...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Costa FT,Lopes SC,Ferrer M,Leite JA,Martin-Jaular L,Bernabeu M,Nogueira PA,Mourão MP,Fernandez-Becerra C,Lacerda MV,del Portillo H

更新日期：2011-08-01 00:00:00

abstract：BACKGROUND:Biomphalaria glabrata snails are widely distributed in schistosomiasis endemic areas like America and Caribe, displaying high susceptibility to infection by Schistosoma mansoni. After the availability of B. glabrata genome and transcriptome data, studies focusing on genetic markers and small non-coding RNAs ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Queiroz FR,Portilho LG,Jeremias WJ,Babá ÉH,do Amaral LR,Silva LM,Coelho PMZ,Caldeira RL,Gomes MS

更新日期：2020-07-01 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：:The determination of amino acid changes in the envelope protein by direct sequencing of either genomic RNA or PCR-amplified cDNA fragments provides useful informations for assessing the genetic variability and the geographic distribution of the actually most widespread dengue-2 serotype. The possible link of variation...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Deubel V

更新日期：1992-01-01 00:00:00

abstract：:A study of the phlebotomine sand fly fauna was carried out in an endemic area of American visceral leishmaniasis (AVL) in the municipality of Porteirinha, in the Brazilian state of Minas Gerais. Captures were performed with CDC light traps in 7 districts, 5 days per month, during 2 consecutive years (January 2000 to D...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Barata RA,Silva JC,Costa RT,Fortes-Dias CL,Silva JC,Paula EV,Prata A,Monteiro EM,Dias ES

更新日期：2004-08-01 00:00:00

abstract：:Phlebotominae includes some vector species, mainly that of leishmaniases, with a very old host-parasite relationship. Some species fossils of this subfamily have been recently described and this paper presents the description of a new sand fly Pintomyia (Pifanomyia) paleotownsendi sp. nov in amber. The gonostyle prese...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Filho JD,Falcão AL,Galati EA,Brazil RP

更新日期：2006-12-05 00:00:00

abstract：:The presence of tRNA array, a region with high tRNA gene number and density, has been demonstrated in Mycobacterium genus. However, a recent phylogenomic study revealed the existence of five distinct monophyletic groups (genera) within this genus. Considering this new scenario, and based on in-silico analyses, we have...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Morgado SM,Vicente ACP

更新日期：2019-01-01 00:00:00

abstract：:Infusions of Aspidosperma nitidum (Apocynaceae) wood bark are used to treat fever and malaria in the Amazon Region. Several species of this family are known to possess indole alkaloids and other classes of secondary metabolites, whereas terpenoids, an inositol and the indole alkaloids harmane-3 acid and braznitidumine...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Coutinho JP,Aguiar AC,dos Santos PA,Lima JC,Rocha MG,Zani CL,Alves TM,Santana AE,Pereira Mde M,Krettli AU

更新日期：2013-12-01 00:00:00

abstract：:Only one drug is currently available for the treatment and control of schistosomiasis and the increasing risk of selecting strains of schistosome that are resistant to praziquantel means that the development of new drugs is urgent. With this objective we have chosen to target the enzymes modifying histones and in part...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Pierce RJ,Dubois-Abdesselem F,Caby S,Trolet J,Lancelot J,Oger F,Bertheaume N,Roger E

更新日期：2011-11-01 00:00:00

abstract：:The principal vector of malaria in eastern Venezuela, Anopheles aquasalis, is exophagic and exophilic. Control using indoor insecticide house sprays has failed to lower the number of malaria cases. Therefore, studies were initiated in two villages of the eastern coastal state of Sucre to better understand this vector'...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Berti J,Zimmerman R,Amarista J

更新日期：1993-07-01 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：:A one year-long study (March 1979-March 1980) was carried out at San Esteban, an endemic focus of cutaneous leishmaniasis in Northern Venezuela, with the aim of observing the seasonal fluctuation of the local phlebotomine sandflies species. The influence of climatic factors (temperature, relative humidity and rainfall...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Feliciangeli MD

更新日期：1987-04-01 00:00:00

abstract：:To analyze whether electrocardiographic alterations (ECGA) in patients with antibodies to Trypanosoma cruzi showed a pattern of familial aggregation, a sample of 379 young adults (166 men and 213 women) distributed in sibships, were assessed for the presence of anti-T. cruzi antibodies, and subjected to a complete cli...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Morini JC,Berra H,Dávila HO,Pividori JF,Bottasso OA

更新日期：1994-07-01 00:00:00

abstract：:The dual function of eosinophils has been evidenced in protective immunity against parasites as well as in pathological manifestations during allergic disorders. We have demonstrated that a new class of IgE receptors, Fc epsilon RII/CD23, was involved in the functional duality of eosinophils and other proinflammatory ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Nutten S,Trottein F,Gounni AS,Papin JP,Capron A,Capron M

更新日期：1997-01-01 00:00:00

abstract：:From November 1996 to March 2000, a total of 884 children between 0 and 15 years, from 11 institutions including day care centres, public urban and public rural schools in Uberlândia, State of Minas Gerais, central Brazil, were examined for head louse infestation. Children's sex, race, age and some hairs characteristi...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Borges R,Mendes J

更新日期：2002-03-01 00:00:00