Leprosy, a neglected disease that causes a wide variety of clinical conditions in tropical countries.

abstract：:Rhodnius ecuadoriensis is the second most important vector of Chagas Disease (CD) in Ecuador. The objective of this study was to describe (and compare) the life cycle, the feeding and defecation patterns under laboratory conditions of two populations of this specie [from the provinces of Manabí (Coastal region) and Lo...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Villacís AG,Arcos-Terán L,Grijalva MJ

更新日期：2008-11-01 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 study on tick-borne rickettsiosis was developed in the county of Santa Cruz do Escalvado, State of Minas Gerais, Brazil, where a clinical case of the disease, confirmed by necropsy, had been reported. Of the 1,254 ticks collected, 1,061 belonged to the Amblyomma genus, 57 to the Rhipicephalus sanguineus species, 81 ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： de Lemos ER,Machado RD,Pires FD,Machado SL,da Costa LM,Coura JR

更新日期：1997-07-01 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：BACKGROUND:Since the early 1990s, programs to control Chagas disease in South America have focused on eradicating domiciliary Triatoma infestans, the main vector. Seroprevalence studies of the chagasic infection are included as part of the vector control programs; they are essential to assess the impact of vector contr...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Russomando G,Cousiño B,Sanchez Z,Franco LX,Nara EM,Chena L,Martínez M,Galeano ME,Benitez L

更新日期：2017-05-01 00:00:00

abstract：:In this study we investigated the larval dispersal associated with larval predation in experimental populations of Chrysomya albiceps and Cochliomyia macellaria. Frequency distribution of sampling units (G test) in the substrate was used to evaluate variation in larval dispersal. An experimental acrylic channel (1 x 0...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： de Andrade JB,Rocha FA,Rodrigues P,Rosa GS,Faria Ldel B,Von Zuben CJ,Rossi MN,Godoy WA

更新日期：2002-12-01 00:00:00

abstract：:A survey was conducted in the hemodialysis population of the state of Tocantins, Brazil, aiming to assess the prevalence of hepatitis B virus (HBV) and hepatitis C virus (HCV) infections, to analyze associated risk factors, and also to investigate these viruses genotypes distribution. During January and March 2001, al...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Souza KP,Luz JA,Teles SA,Carneiro MA,Oliveira LA,Gomes AS,Dias MA,Gomes SA,Yoshida CF,Martins RM

更新日期：2003-07-01 00:00:00

abstract：:A case-control study was conducted to determine the presence ofMycobacterium lepraeDNA in nasal secretions of leprosy cases and nonleprosy individuals in Fortaleza, Brazil. It included 185 cases identified by physicians at the Dona Libânia National Reference Centre for Sanitary Dermatology (CDERM). A control group (Co...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Lima LN,Frota CC,Mota RM,Almeida RL,Pontes MA,Gonçalves Hde S,Rodrigues LC,Kendall C,Kerr L

更新日期：2015-11-01 00:00:00

abstract：:In visceral leishmaniasis, phlebotomine vectors are targets for control measures. Understanding the ecosystem of the vectors is a prerequisite for creating these control measures. This study endeavours to delineate the suitable locations of Phlebotomus argentipes with relation to environmental characteristics between ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Kesari S,Bhunia GS,Kumar V,Jeyaram A,Ranjan A,Das P

更新日期：2011-08-01 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：:A longitudinal study was conducted in Manaus, Brazil, to monitor changes of adult Aedes aegypti (L.) abundance. The objectives were to compare mosquito collections of two trap types, to characterise temporal changes of the mosquito population, to investigate the influence of meteorological variables on mosquito collec...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Degener CM,Ázara TM,Roque RA,Codeço CT,Nobre AA,Ohly JJ,Geier M,Eiras ÁE

更新日期：2014-12-01 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：:The first steps in leishmaniasis are critical in determining the evolution of the disease. Major advances have recently been done in understanding this crucial moment. Fundamental research in parasite-vector interaction, parasite biology, insect saliva, and vertebrate host response have shed new light and uncovered a ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： de Almeida MC,Vilhena V,Barral A,Barral-Netto M

更新日期：2003-10-01 00:00:00

abstract：:Dengue outbreaks have occurred in several regions in Brazil and cocirculating dengue virus type 1 (DENV-1), DENV-2, and DENV-3 have been frequently observed. Dual infection by DENV-2 and DENV-3 was identified by type-specific indirect immunofluorescence assay and confirmed by reverse transcription polymerase chain rea...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Araújo FM,Nogueira RM,de Araújo JM,Ramalho IL,Roriz ML,de Melo ME,Coelho IC

更新日期：2006-12-01 00:00:00

abstract：:Benznidazole (Bz) exhibits toxic side effects in animal studies and clinical use. Reductive metabolism of Bz in liver microsomes modulates the duration of its chemotherapeutic effect and its toxicity. The rate of this metabolism depends on age and is less intense in newborns and youngsters than in adults. In the prese...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Bulffer RF,Castro JA,Fanelli SL

更新日期：2011-05-01 00:00:00

abstract：:The role of intracellular free polyamine (putrescine and spermidine) pools in multiple resistance to aminoglycoside antibiotics was investigated among in vitro selected kanamycin-resistant Escherichia coli J53 mutants expressing diminished oligopeptide-binding protein (OppA) levels and/or defective ornithine decarboxy...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Acosta MB,Ferreira RC,Ferreira LC,Costa SO

更新日期：2005-11-01 00:00:00

abstract：:The biochemical and serological characteristics, virulence properties, and genetic relatedness of Shiga toxin-producing Escherichia coli (STEC) strains isolated in S o Paulo, from April 1989 through March 1990, were determined. This is also the first report on clinic findings of human STEC infections in Brazil. The on...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Guth BE,Ramos SR,Cerqueira AM,Andrade JR,Gomes TA

更新日期：2002-12-01 00:00:00

abstract：:The current drug options for the treatment of chronic Chagas disease have not been sufficient and high hopes have been placed on the use of genomic data from the human parasite Trypanosoma cruzi to identify new drug targets and develop appropriate treatments for both acute and chronic Chagas disease. However, the lack...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Alves-Ferreira M,Guimarães AC,Capriles PV,Dardenne LE,Degrave WM

更新日期：2009-12-01 00:00:00

abstract：:In this study, HIV-1 viral blood quantitation determined by Nucleic Acid Sequence Based Amplification (NASBA) was compared with other surrogate disease progression markers (antigen p24, CD4/CD8 cell counts and beta-2 microglobulin) in 540 patients followed up at São Paulo, SP, Brazil. HIV-1 RNA detection was statistic...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Sitnik R,Pinho JR

更新日期：1998-05-01 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：:Dissection of Lutzomyia longipalpis, captured in the São Luis focus of visceral Leishmaniasis revealed a 1.8% promastigote infection rate. ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Ryan L,Brazil RP

更新日期：1984-07-01 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

abstract：:Lutzomyia evandroi Costa Lima and Antunes, 1936 is found in Rio Grande do Norte, northeastern Brazil, in areas of visceral and mucocutaneous leishmaniasis and follows the same geographic distribution of L. longipalpis. The biological cycle, oviposition, morphological and behavioral characteristics of the species were ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： de Melo Ximenes Mde F,Maciel JC,Jerônimo SM

更新日期：2001-08-01 00:00:00

abstract：:A major goal in the treatment of acute ischemia of a vascular territory is to restore blood flow to normal values, i.e. to "reperfuse" the ischemic vascular bed. However, reperfusion of ischemic tissues is associated with local and systemic leukocyte activation and trafficking, endothelial barrier dysfunction in postc...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Souza DG,Teixeira MM

更新日期：2005-03-01 00:00:00

abstract：:Angiostrongylus costaricensis is the causative agent of abdominal angiostrongyliasis, a zoonotic infection that may produce severe eosinophilic enterocolitis or hepatitis in humans. Parasites are usually not released in stools and serology has an important role in diagnosis. Since cross-reactivity is demonstrated betw...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Graeff-Teixeira C,Pascoal VF,Rodriguez R,Morassutti AL,Intapan PM,Maleewong W

更新日期：2020-09-21 00:00:00

abstract：:Scientists have increasingly recognised that low methodological and analytical rigour combined with publish-or-perish incentives can make the published scientific literature unreliable. As a response to this, large-scale systematic replications of the literature have emerged as a way to assess the problem empirically....

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Neves K,Carneiro CF,Wasilewska-Sampaio AP,Abreu M,Valério-Gomes B,Tan PB,Amaral OB

更新日期：2020-10-23 00:00:00

abstract：:Several protozoan parasites exist in the Trypanosomatidae family, including various agents of human diseases. Multiple lines of evidence suggest that important differences are present between the translational and mRNA processing (trans splicing) systems of trypanosomatids and other eukaryotes. In this context, certai...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Silva MT,Ambrósio DL,Trevelin CC,Watanabe TF,Laure HJ,Greene LJ,Rosa JC,Valentini SR,Cicarelli RM

更新日期：2011-03-01 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：:Sandfly prevalence in the Kani tribe settlements of Western Ghats in India was investigated. A total of 1,279 sandflies comprising 17 species was obtained. Sandfly abundance showed a negative correlation (r = -0.97, p = 0.003) with increase in altitudinal ranges from 0-1,000 m. When sandfly samples were grouped accord...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Ranganathan S,Swaminathan S

更新日期：2015-04-01 00:00:00

abstract：:This report describes the isolation of a Leishmania chagasi strain from a bat (Carollia perspicillata), and its identification using biological methods and molecular characterization. The parasites were isolated in an artificial culture medium from a blood sample extracted from a bat heart. The isolate was then inocul...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： De Lima H,Rodríguez N,Barrios MA,Avila A,Cañizales I,Gutiérrez S

更新日期：2008-06-01 00:00:00