Transmitted human immunodeficiency virus-1 drug resistance in a cohort of men who have sex with men in Belo Horizonte, Brazil--1996-2012.

abstract：:A virus antigenic characterization methodology using an indirect method of antibody detection ELISA with virus-infected cultured cells as antigen and a micro virus neutralisation test using EIA (NT-EIA) as an aid to reading were used for antigenic characterization of Jatobal (BeAn 423380). Jatobal virus was characteri...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Figueiredo LT,Da Rosa AP

更新日期：1988-04-01 00:00:00

abstract：:The extent of genomic variability of clones of Schistosoma mansoni obtained from field isolates was compared with that of strains that have been laboratory maintained. Analysis was undertaken using randomly amplified polymorphic DNAs (RAPDs) generated with three primers. Phenograms showing the similarity among the clo...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Pinto PM,Brito CF,Passos LK,Tendler M,Simpson AJ

更新日期：1997-05-01 00:00:00

abstract：:Five field populations of Musca domestica L. collected in poultry farms were bioassayed in order to detect possible resistance to the larvicide cyromazine in Brazil. The concentrations used were 0, 0.5, 0.1, 0.2, 0.4, 1, 2, 4 and 8 ppm. Three populations (Petrópolis, RJ, Montes Claros, MG and Promissão, SP) were resis...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Pinto MC,do Prado AP

更新日期：2001-07-01 00:00:00

abstract：:Within the country of Brazil, Santa Catarina is a major shellfish producer. Detection of viral contamination is an important step to ensure production quality and consumer safety during this process. In this study, we used a depuration system and ultraviolet (UV) disinfection to eliminate viral pathogens from artifici...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Corrêa Ade A,Rigotto C,Moresco V,Kleemann CR,Teixeira AL,Poli CR,Simões CM,Barardi CR

更新日期：2012-02-01 00:00:00

abstract：:Didymocystis wedli a parasite from the gills of Thunnus albacares from the coast of the State of Rio de Janeiro, is described by use of light and scanning electron microscopy. This is the first report of this species in Brazil and South America. New data are presented on the surface topography as demonstrated by scann...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Kohn A,Santos A,Baptista-Farias MF

更新日期：2001-10-01 00:00:00

abstract：:The aims of this study were to characterise the ground-level larval habitats of the mosquito Culex quinquefasciatus, to determine the relationships between habitat characteristics and larval abundance and to examine seasonal larval-stage variations in Córdoba city. Every two weeks for two years, 15 larval habitats (na...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Grech M,Sartor P,Estallo E,Ludueña-Almeida F,Almirón W

更新日期：2013-09-01 00:00:00

abstract：:The merozoite surface protein-1 (MSP-1) locus of Plasmodium falciparum codes for a major asexual blood-stage antigen currently proposed as a major malaria vaccine candidate. The protein, however, shows extensive polymorphism, which may compromise its use in sub-unit vaccines. Here we compare the patterns of allelic di...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Ferreira MU,Kaneko O,Kimura M,Liu Q,Kawamoto F,Tanabe K

更新日期：1998-09-01 00:00:00

abstract：:New alternative insecticides are necessary for the chemical control of head lice. In this study the fumigant knockdown time 50% (KT50) and repellency index (RI) of three aliphatic lactones was compared with two essential oils and DDVP, against permethrin-resistance Pediculus humanus capitis from Argentina. In the fumi...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Toloza AC,Zygadlo J,Mougabure-Cueto G,Zerba E,Faillaci S,Picollo MI

更新日期：2006-02-01 00:00:00

abstract：:Non-bilayer phospholipid arrangements are three-dimensional structures that form when anionic phospholipids with an intermediate structure of the tubular hexagonal phase II are present in a bilayer of lipids. Antibodies that recognise these arrangements have been described in patients with antiphospholipid syndrome an...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Baeza I,Wong-Baeza C,Valerdi E,Serafin-Lopez J,Ibáñez M,Estrada-Parra S,Wong C,Estrada-Garcia I

更新日期：2012-12-01 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：:Lymphatic filariasis caused by nematode parasites Wuchereria bancrofti or Brugia malayi is a spectral disease and produces wide range of immune responses and varying levels of microfilaraemia in infected individuals. The relationship between the immune response of host and the developmental stage of the parasite as we...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Athisaya Mary K,Hoti S,Paily K

更新日期：2006-05-01 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：:Aedes albopictus was found in six of the 10 departments of Haiti and in 14 of the 35 communes surveyed. The survey found the larvae of Ae. albopictus in 13 different types of containers. Used tires and tins were by far the most common breeding sites used by this mosquito species. At the breeding sites, Ae. albopictus ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Fernández Mdel C,Jean YS,Callaba CA,López LS

更新日期：2012-03-01 00:00:00

abstract：:The authors describe and compare the morphological and ultrastructural characteristics of eggs from the three most recent described species of the genus Rhodnius Stål, 1859, which have not previously been studied. These species are Rhodnius colombiensis (Mejia, Galvão & Jurberg 1999), Rhodnius milesi (Carcavallo, Roch...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Santos CM,Jurberg J,Galvão C,Rosa JA,Júnior WC,Barata JM,Obara MT

更新日期：2009-11-01 00:00:00

abstract：:Chimpanzees are being used in the study of immune response to Plasmodium falciparum malaria pre-erythrocytic stages (MPES). Responses induced by immunisation with recombinant/synthetic antigens and by irradiated sporozoites are being evaluated in a model system that is phylogenetically close to humans and that is amen...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Thomas AW,Slierendregt B,Mons B,Druilhe P

更新日期：1994-01-01 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：:After the acute hyperergic phase of schistosomal infection, the chronic phase of the disease corresponds to the establishment of a relative equilibrium between the host and the parasite. This involves: (1) A shift from the predominance of the TH2 response observed in the acute phase, to the predominance of the TH1 res...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Borojevic R

更新日期：1992-01-01 00:00:00

abstract：:Triatoma jatai sp. nov. is the first new species of triatomine to be described in the state of Tocantins, in the northern region of Brazil. It was caught on rock outcrops in the wild environment and, more recently, invading homes. While T. jatai sp. nov. is morphologically similar to Triatoma costalimai, it is disting...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Gonçalves TC,Teves-Neves SC,Santos-Mallet JR,Carbajal-de-la-Fuente AL,Lopes CM

更新日期：2013-06-01 00:00:00

abstract：:A vaccination campaign against pandemic influenza A (H1N1)pdm09 was held in Brazil in March 2010, using two types of monovalent split virus vaccines: an AS03-adjuvanted vaccine and a non-adjuvanted vaccine. We compared the reactogenicity of the vaccines in health professionals from a Clinical Research Institute in Rio...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Cerbino-Neto J,Santos AT,Gouvea MI,Pedro RS,Ramos GV,Guaraldo L,Werneck GL

更新日期：2012-11-01 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：:Two of the major problems facing the Amazon - human migration from the other areas and uncontrolled deforestation - constitute the greatest risk for the establishment of endemic Chagas disease in this part of Brazil. At least 18 species of triatomines had been found in the Brazilian Amazon, 10 of them infected with Tr...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Coura JR,Junqueira AC,Boia MN,Fernandes O

更新日期：1999-01-01 00:00:00

abstract：:An experimental murine model was used to verify the viability and pathogenicity of coccoid Helicobacter pylori. For this purpose, 27 BALB/c mice were inoculated intragastrically with 1 ml broth culture (10(8)organisms/ml) of a coccoid H. pylori clinical isolate. The animals were divided into two groups. Nine were infe...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Rabelo-Gonçalves EM,Nishimura NF,Zeitune JM

更新日期：2002-12-01 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：:Sequences of the cytochrome c oxidase subunit I (COI) mitochondrial gene from adults of 22 Culex (Culex) species from Argentina and Brazil were employed to assess species identification and to test the usefulness of COI for barcoding using the best close match (BCM) algorithm. A pairwise Kimura two-parameter distance ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Laurito M,Oliveira TM,Almirón WR,Sallum MA

更新日期：2013-01-01 00:00:00

abstract：:Two new species of the Culicoides paraensis species group, C. diversus Felippe-Bauer and C. peruvianus Felippe-Bauer, are described and illustrated based on female specimens from Amazonian region of Peru. A systematic key, table with numerical characters of females, and distribution of species of the C. paraensis grou...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Felippe-Bauer ML,Cáceres AG,Silva CS,Valderrama-Bazan W,Gonzales-Perez A

更新日期：2003-12-01 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：:The aim of this study was to test if serological distinction between patients with active and inactive neurocysticercosis (NCC), could be accomplished by the recognition of immunodominant peptides in total saline antigenic extract of Taenia solium metacestodes by IgG antibody in cerebrospinal fluid (CSF) and serum pai...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Barcelos IS,Moura LP,Costa VP,Ferreira MS,Costa-Cruz JM

更新日期：2007-09-01 00:00:00

abstract：:From May to August 1999, we evaluated 401 patients from a pediatric hospital of Havana City. One group was composed of 113 patients with diarrhea admitted to the Gastroenterology ward and a second consisted of 288 patients without diarrhea, admitted for other reasons, and hospitalized within the same time period. Thre...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Núñez FA,González OM,González I,Escobedo AA,Cordoví RA

更新日期：2003-06-01 00:00:00

abstract：:The present paper reports acuarioid nematodes recovered from avian hosts. A new species of the genus Schistorophus Railliet, 1916 is proposed based mainly on findings referring to ptilina, spicules and vagina. Ancyracanthopsis coronata (Molin, 1860) Chabaud & Petter, 1959 is referred again in Brazil since its proposit...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Pinto RM,Vicente JJ,Muniz-Pereira LC,Noronha D

更新日期：1999-11-01 00:00:00

abstract：:A new species of the genus Cotylophoron (Trematoda--Paramphistomidae) --Cotylophoron travassosi sp. n.--is described. The measurements of the worm and its structures are compared with the valid known species. ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Costa HM,Guimaráes MP

更新日期：1992-01-01 00:00:00