Skin reactions to thimerosal and Leishmania in dogs from a leishmaniasis endemic area: it is better to keep them apart.

abstract：:A survey was conducted in a blood donor population of Central Brazil aiming to investigate the prevalence of GB virus C (GBV-C)/hepatitis G virus (HGV) infection and also to analyze the virus genotypes distribution. A total of 241 voluntary blood donors were interviewed at the State Blood Bank in Goiânia, State of Goi...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Oliveira LA,Martins RM,Carneiro MA,Teles SA,Silva SA,Cardoso DD,Lampe E,Yoshida CF

更新日期：2002-10-01 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：:Osteoarthritis (OA) is a common painful inflammatory condition occurring mainly in the later half of life. Hip and knee are the joints mostly affected. Petiveria alliacea (tipi) popularly known as an anti-rheumatic medicine, has been used by OA patients to relief pain. This one-week cross-over double-blind trial has p...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Ferraz MB,Pereira RB,Coelho Andrade LE,Atra E

更新日期：1991-01-01 00:00:00

abstract：:Qualitative bacteriological analysis was carried out in two sewage treatment plants in the city of Rio de Janeiro during the period 1984-1985. Specific points of the plants were selected for the collection of affluent and effluent samples. The study involved the isolation and the identification of 540 cultures of Esch...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Ribeiro Dias JC,Vicente AC,Hofer E

更新日期：1987-07-01 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：:Experiments with Squamatoides trivitattus were carried out in two different controlled temperatures (16 +/- 1 degree C/50-60% RH and 27 +/- 1 degree C/70-80% RH). The viability of larvae and pupae at 27 degrees C was 89.82% and 92.75% respectively. Larvae did not develop at 16 degrees C. Larval development lasted for ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Salviano RJ,de Mello RP,Beck LC,d'Almeida JM

更新日期：1996-03-01 00:00:00

abstract：:The triatomine bug Triatoma infestans probably originated in Bolivia and dispersed passively over wide areas of South America, where it is the principal vector of Trypanosoma cruzi. In the region of its probable origin this species shows colonization in two different ecotopes, so that it may be encountered in sylvatic...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Pires HH,Barbosa SE,Diotaiuti L

更新日期：2000-11-01 00:00:00

abstract：:Trypanosoma rangeli, a parasite generally considered non-pathogenic for man, is the second species of human trypanosome to be reported from the New World. The geographical distribution of T. rangeli often overlaps with that of T. cruzi, the same vertebrate and invertebrate hosts being infected. Their differentiation t...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Guhl F,Vallejo GA

更新日期：2003-06-01 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：:The process of adhesion of three different strains of Trichomonas vaginalis to a polystyrene substrate was analysed. The process of adhesion was dependent on the time of incubation and the pH of the phosphate-buffered solution (PBS) in which the parasites were suspended. The highest indices of adhesion were observed a...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Silva Filho FC,Elias CA,De Souza W

更新日期：1987-07-01 00:00:00

abstract：:In the Americas, hantaviruses cause severe cardiopulmonary syndrome (HCPS) with a high fatality rate. Hantavirus infection is commonly diagnosed using serologic techniques and reverse transcription-polymerase chain reaction. This paper presents a novel plaque reduction neutralisation test (PRNT) for detecting antibodi...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Pádua Md,Souza WM,Lauretti F,Figueiredo LT

更新日期：2015-08-01 00:00:00

abstract：:The Brazilian variant of human immunodeficiency virus type 1 (HIV-1) subtype B, (serotype B"-GWGR), has a tryptophan replacing the proline in position 328 the HIV-1 envelope. A longer median time period from infection to acquired immunodeficiency syndrome (AIDS) for serotype B (B"-GWGR) infected subjects compared to t...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Casseb J,Montanheiro P,Komninakis S,Brito A,Duarte AJ

更新日期：2004-02-01 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：:Sixty eight patients with localized cutaneous leishmaniasis from an area with Leishmania (Viannia) braziliensis transmission had cultures performed with a modified Marzochís vacuum aspiratory puncture technique to establish sensitivity and contamination rate with this new method. Overall sensitivity of three aspirates...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Romero GA,Sampaio RN,Macedo Vde O,Marsden PD

更新日期：1999-07-01 00:00:00

abstract：:The aim of this study was to determine the presence of Helicobacter pylori cytotoxin-associated gene (cagA)/vacuolating cytotoxin gene (vacA) among patients with chronic gastritis in Cuba and Venezuela. Gastric antrum biopsies were taken for culture, DNA extraction and PCR analysis. Amplification of vacA and cagA segm...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Ortiz-Princz D,Guariglia-Oropeza V,Avila M,Correnti M,Perrone M,Gutierrez B,Torres J,Megraud F,Cavazza ME

更新日期：2010-05-01 00:00:00

abstract：:Four diamines and three amino alcohols derived from 1-decanol, 1-dodecanol and 1,2-dodecanediol were evaluated in an in vitro assay against a mixture of trypomastigote and intracellular amastigote forms of Trypanosoma cruzi. Two of these compounds (6 and 7) showed better activity against both proliferative stages of T...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Sales Júnior PA,Rezende Júnior CO,Le Hyaric M,Almeida MV,Romanha AJ

更新日期：2014-06-01 00:00:00

abstract：:Cells die through a programmed process or accidental death, know as apoptosis or necrosis, respectively. Bothrops jararaca is a snake whose venom inhibits the growth of Trypanosoma cruzi epimastigote forms causing mitochondrion swelling and cell death. The aim of the present work was to determine the type of death ind...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Deolindo P,Teixeira-Ferreira AS,Melo EJ,Arnholdt AC,Souza Wd,Alves EW,DaMatta RA

更新日期：2005-02-01 00:00:00

abstract：:In the present study, some morphological structures of antennae, maxillary palps and caudal setae of fourth instar larvae of laboratory-reared phlebotomine sand flies (Lutzomyia longipalpis, L. migonei, L. evandroi, L. lenti, L. sericea, L. whitmani and L. intermedia) of the State of Ceará, Brazil, were examined under...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Pessoa FA,Guerra de Queiroz R,Ward RD

更新日期：2001-11-01 00:00:00

abstract：:This is the first report of adult and nymphs (20 nymphs of all stages and 4 adults) of Microtriatoma trinidadensis (Lent 1951) (Hemiptera: Reduviidae: Triatominae) collected in peridomestic environment, in the department of La Paz, Bolivia. These specimens were associated to Rhodnius stali Lent, Jurberg & Galvão 1993....

journal_title：Memorias do Instituto Oswaldo Cruz

authors： De la Riva J,Matias A,Torrez M,Martínez E,Dujardin JP

更新日期：2001-10-01 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：:There is a general consensus that during chronic Trypanosoma cruzi infection, the host immune system induces complex processes to ensure the control of parasite growth while preserving the potential to mount and maintain a life-long controlled humoral and cellular immune response against the invading pathogen. This re...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Sathler-Avelar R,Vitelli-Avelar DM,Teixeira-Carvalho A,Martins-Filho OA

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：:This study aimed to correlate the presence of ica genes, biofilm formation and antimicrobial resistance in 107 strains of Staphylococcus epidermidis isolated from blood cultures. The isolates were analysed to determine their methicillin resistance, staphylococcal cassette chromosome mec (SCCmec) type, ica genes and bi...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Pinheiro L,Brito CI,Pereira VC,Oliveira Ad,Camargo CH,Cunha Mde L

更新日期：2014-11-01 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：:Leptospirosis in humans usually involves hypokalaemia and hypomagnesaemia and the putative mechanism underlying such ionic imbalances may be related to nitric oxide (NO) production. We previously demonstrated the correlation between serum levels of NO and the severity of renal disease in patients with severe leptospir...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Santos CS,Azevedo EC,Soares LM,Carvalho MO,dos Santos AC,das Chagas AD Jr,da Silva CL,Chagas UM,dos Reis MG,Athanazio DA

更新日期：2013-06-01 00:00:00

abstract：:Theoretically, serological assays with affinity purified marker antigens can allow strain-specific diagnosis even when parasites cannot be retrieved from an infected host. A Trypanosoma cruzi antigen was purified by affinity chromatography using a zymodeme (Z) 2 specific monoclonal antibody (2E2C11). An indirect enzym...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Schechter M

更新日期：1987-01-01 00:00:00

abstract：:Mycobacteria, specially Mycobacterium tuberculosis are among the micro-organisms that are increasing dramatically the number of infections with death, all over the world. A great number of animal experimental models have been proposed to investigate the mechanisms involved in the host response against these intracellu...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Menezes-de-Lima-Júnior O,Henriques M das G

更新日期：1997-01-01 00:00:00

abstract：:The direct agglutination test (DAT) based on a freeze-dried antigen and the rK39 dipstick test were evaluated for the sero-diagnosis of visceral leishmaniasis (VL). The sensitivity and specificity of both tests were determined using sera from confirmed VL patients (n = 21), healthy controls (n = 19) and from patients ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Schallig HD,Canto-Cavalheiro M,da Silva ES

更新日期：2002-10-01 00:00:00

abstract：:Ketoconazole, an azole antifungic drug which is already in the market has also been demonstrated to be active against Trypanosoma cruzi experimental infections. In this paper we confirmed the drug effect and investigated its range of activity against different T. cruzi strains naturally resistant or susceptible to bot...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Brener Z,Cançado JR,Galvão LM,da Luz ZM,Filardi Lde S,Pereira ME,Santos LM,Cançado CB

更新日期：1993-01-01 00:00:00

abstract：:Lutzomyia (Lutzomyia) cruzi has been named as a probable vector of Leishmania chagasi in Corumbá, Mato Grosso do Sul, Brazil. Taxonomically L. cruzi is closely related to the L. longipalpis species complex. Females of L. cruzi and L. longipalpis are morphologically indistinguishable and associated males must be examin...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Brazil RP,Hamilton JG

更新日期：2002-04-01 00:00:00