Genetic an antigenic analysis of adenovirus type 3 strains showing intermediate behavior in standard seroneutralization test.

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

abstract：:Living in close association with a vertebrate host and feeding on its blood requires different types of adaptations, including behavioural adjustments. Triatomines exhibit particular traits associated with the exploitation of their habitat and food sources and these traits have been the subject of intense analysis. Ma...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Lazzari CR,Lorenzo MG

更新日期：2009-07-01 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：: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：: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：:Clinical and laboratory evidence is reviewed which shows that there is a great deal of variation in the susceptibility of Schistosoma mansoni to oxamniquine. This variation occurs both among endemic regions and within endemic regions in Brazil and Kenya. It is genetically controlled. It is suggested that the parasite ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Kinoti GK

更新日期：1987-01-01 00:00:00

abstract：:Coccidian oocysts containing 16 sporocysts with 4 sporozoites in each were observed in a faecal sample from Sclerurus scansor collected in the Itatiaia National Park, southeastern region of Brazil. The oocysts are characterized by ellipsoidal shape measuring 42.5 x 32.8 mm, with smooth, thick double-layered wall of a ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Kawazoe U,Gouvêa H

更新日期：1999-03-01 00:00:00

abstract：:This study aimed to analyse changes in the spatial distribution of Lutzomyia longipalpis in Posadas, an urban area located in northeastern Argentina. Data were obtained during the summer of 2007 and 2009 through two entomological surveys of peridomiciles distributed around the city. The abundance distribution pattern ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Fernández MS,Santini MS,Cavia R,Sandoval AE,Pérez AA,Acardi S,Salomón OD

更新日期：2013-11-01 00:00:00

abstract：:Schistosoma mansoni infections are associated with a strong Th2 cytokine response. Treatment of mice with IL-12 or anti-IL-2 or anti-IL-4 before i.v. injection of eggs increased IFN-gamma production and downregulated Th2 responses and pulmonary granuloma size. Conversely, anti-IFN-gamma antibody treatment increased Th...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Cheever AW,Jankovic D,Yap GS,Kullberg MC,Sher A,Wynn TA

更新日期：1998-01-01 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：:Rhesus monkeys (Macaca mulatta) were infected subcutaneously with 1.0 x 10(4) to 1.5 x 10(4) metacyclic trypomastigotes of Trypanosoma cruzi (Colombian strain). Parasitological and immunological parameters were evaluated in these animals for periods of 1 month to over 3 years. A chagoma was observed between the 3rd an...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Bonecini-Almeida Mda G,Galvão-Castro B,Pessoa MH,Pirmez C,Laranja F

更新日期：1990-04-01 00:00:00

abstract：:This is the first report on occurrence of Biomphalaria straminea in the district of São José de Almeida (municipality of Jaboticatubas) State of Minas Gerais, Brazil. The presence of B. glabrata and B. tenagophila had already been reported in this area. Such municipality is part of the metropolitan region of Belo Hori...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Massara CL,Carvalho Odos S,Caldeira RL,Jannotti-Passos LK,Schall VT

更新日期：2002-01-01 00:00:00

abstract：:We characterized the Plasmodium falciparum antigen 332 (Ag332) which is specifically expressed during the asexual intraerythrocytic cycle of the parasite. The corresponding Pf332 gene has been located in the subtelomeric region of chromosome 11. Furthermore, it is present in all strains so far analyzed and shows marke...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Mattei D,Scherf A

更新日期：1992-01-01 00:00:00

abstract：:This was a retrospective descriptive study on a series of cases of schistosomal myeloradiculopathy (SMR) and the aim was to investigate the incidence of this disease and its clinical and epidemiological characteristics in cases diagnosed at three healthcare units in Pernambuco, Brazil between 1994-2006. The data were ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Araújo KC,Silva Cda R,Santos AG,Barbosa CS,Ferrari TC

更新日期：2010-07-01 00:00:00

abstract：:We report the finding of Tetrameres spirospiculum Pinto & Vicente, 1995 from Theristicus melanopis melanopis (Threskiornithidae) from Patagonia, Argentina. These constitute new host and locality records. We propose the assignation of this species to the subgenus T. (Gynaecophila) Gubanov, 1950, based on the presence o...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Digiani MC,Cremonte F

更新日期：2001-04-01 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：:Integration of human papillomavirus (HPV) DNA into human cells accompanied by the disruption of the viral genome has been described as a prerequisite for cancer development. This study aimed to investigate E2 gene integrity of HPV16 and HPV58 viruses isolated from infected women with cervical lesions. Forty-two HPV16-...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： González-Losa MD,Puerto-Solis M,Tenorio Ruiz J,Rosado-López AI,Hau-Aviles O,Ayora-Talavera G,Cisneros-Cutz I,Conde-Ferráez L

更新日期：2016-12-01 00:00:00

abstract：:The community structure of insects, especially mosquito larvae, in water held in the fungus Aquascypha hydrophora (Berk.) Reid (Stereaceae) is reported. The study was done in the Adolpho Ducke Forest Reserve, 26 km east of Manaus, AM, Brazil, from September 1998 through November 1999. The most abundant entomofauna wer...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Ferreira RL,Oliveira AF,Pereira ES,Hamada N

更新日期：2001-11-01 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：:The present study investigated the diagnostic value of polymerase chain reaction (PCR) performed in parallel to conventional methods at an American tegumentary leishmaniasis (ATL) referral centre for diagnosis. Accuracy parameters for PCR were calculated using 130 patients with confirmed ATL (ATL group), 15 patients e...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Fagundes A,Schubach A,Paula CC,Bogio A,Antonio Lde F,Schiavoni PB,Monteiro Vde S,Madeira Mde F,Quintella LP,Valete-Rosalino CM,Vasconcellos Ede C,Azeredo-Coutinho RB,Pacheco RS,Marzochi MC,Marzochi KB

更新日期：2010-02-01 00:00:00

abstract：:Faeces from 17 children less than 1.6 years old and 15 adults more than 22 years old were collected during an outbreak of gastroenteritis in a day care nursery and screened for the presence of adenovirus and rotavirus by enzyme immunoassay (EIARA) and other viruses by electron microscopy (EM) and polyacrylamide gel el...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： de Castro L,Rodrigues Ddos P,Flauzino R,Moura M,Leite JP

更新日期：1994-01-01 00:00:00

abstract：:The schistosomicidal properties of Nigella sativa seeds were tested in vitro against Schistosoma mansoni miracidia, cercariae, and adult worms. Results indicate its strong biocidal effects against all stages of the parasite and also showed an inhibitory effect on egg-laying of adult female worms. In the present work w...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Mohamed AM,Metwally NM,Mahmoud SS

更新日期：2005-04-01 00:00:00

abstract：:This study examined whether the antidermatophytic activity of essential oils (EOs) can be used as an indicator for the discovery of active natural products against Leishmania amazonensis. The aerial parts of seven plants were hydrodistilled. Using broth microdilution techniques, the obtained EOs were tested against th...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Houël E,Gonzalez G,Bessière JM,Odonne G,Eparvier V,Deharo E,Stien D

更新日期：2015-02-01 00:00:00

abstract：:Since the emergence of West Nile virus (WNV) in North America in 1999, there have been several reports of WNV activity in Central and South American countries. To detect WNV in Brazil, we performed a serological survey of horses from different regions of Brazil using recombinant peptides from domain III of WNV. Positi...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Silva JR,Medeiros LC,Reis VP,Chavez JH,Munhoz TD,Borges GP,Soares OA,Campos CH,Machado RZ,Baldani CD,Silva ML,Faria JL,Silva EE,Figueiredo LT

更新日期：2013-11-01 00:00:00

abstract：:As pyrethroids are presently the favored group of insecticides to control triatomines, we performed a series of bioassays to determine the intrinsic activity of some of the main compounds used in the control campaigns, against five of the main species of triatomines to be controlled. Comparing the insecticides it can ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Oliveira Filho AM

更新日期：1999-01-01 00:00:00

abstract：:A large bibliographic survey provided data on Trypanosoma cruzi serology covering the period 1948-1984. Epidemiological-demographic methods provided an estimate of 11% for the prevalence of positive serology in Brazil, by 1984. Significant temporal trends were observed for most of the Brazilian geographical regions as...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Feitosa MF,Krieger H

更新日期：1991-04-01 00:00:00

abstract：:The preferred food items of the slugs Laevicaulis alte and the snails Achatina fulica were used to prepare 'poison baits' by injecting the pesticides 'Rogor' and 'Nuvan' to kill these mollusc pests. The 'poison baits' prepared with Trichosanthes dioica and Lycopersicum esculentum were accepted by 100% individuals of b...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Panigrahi A,Raut SK

更新日期：1993-04-01 00:00:00

abstract：:A cross-sectional study for schistosomiasis was carried out in the localities of Aliança, Alegre and Coroatá (districts of Cururupu, São Bento and São João Batista, respectively) in the lowland of the state of Maranhão, after respectively 13, 11 and 4 mass treatments with oxamniquine in the period of ten years (1977-1...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Cutrim RN,Coura JR

更新日期：1992-10-01 00:00:00

abstract：:Domiciliated Rhodnius prolixus and sylvatic R. colombiensis were analyzed in order to confirm their genetic divergence and verify the risk that the latter represents in the domiciliation process, and to provide tools for identifying the sources of possible reinfestation by triatomines in human dwellings allowing contr...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Jaramillo C,Montaña MF,Castro LR,Vallejo GA,Guhl F

更新日期：2001-11-01 00:00:00

abstract：:Warileya lumbrerasi n. sp. is described from the northern Peruvian Andes. This species was collected inside houses, and is the seventh species described within the genus Warileya Hertig, 1948. ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Ogusuku E,Perez JE,Davies CR,Villaseca P

更新日期：1996-11-01 00:00:00