Comparison of some molecular-genetic techniques for identification of Leishmania circulating in natural foci of zoonotic cutaneous leishmaniasis in the central Asia region.

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：:Acute cases of schistosomiasis have been found on the coastal area of Pernambuco, Brazil, due to environmental disturbances and disorderly occupation of the urban areas. This study identifies and spatially marks the main foci of the snail host species, Biomphalaria glabrata on Itamaracá Island. The chaotic occupation ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Barbosa CS,Araújo KC,Antunes L,Favre T,Pieri OS

更新日期：2004-01-01 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：: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：:BACKGROUND Studies on malaria vectors in the Pantanal biome, Central Brazil, were conducted more than half a century ago. OBJECTIVES To update anopheline records and assess receptivity and vulnerability to malaria transmission. METHODS Five-day anopheline collections were conducted bimonthly in Salobra, Mato Grosso do...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Marinho-E-Silva M,Sallum MAM,Rosa-Freitas MG,Lourenço-de-Oliveira R,Silva-do-Nascimento TF

更新日期：2018-02-01 00:00:00

abstract：:The objective of this study was to evaluate the relationship between toxocariasis frequency and demographic, environmental, sanitary variables, eosinophylia, and other intestinal parasites in a rural population of Argentina. Serological examination of 100 individuals was carried out by using ELISA technique for the de...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Chiodo P,Basualdo J,Ciarmela L,Pezzani B,Apezteguía M,Minvielle M

更新日期：2006-06-01 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：:Morphometrics of Brazilian strains (BH, SJ and CMO) of Schistosoma mansoni cercariae were obtained with a computerized image analyzer (IMAGE PRO PLUS, MEDIA CYBERNETICS), considering the following characters: body area, tail, furcae, oral and ventral suckers and distance between them. For statistical analysis, the var...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Machado-Silva JR,da Silva CH,Pereira MJ,de Oliveira RM,Pinto RM,Gomes DC

更新日期：2000-11-01 00:00:00

abstract：:Fifty specimens of five strains (10 per strain) of Helisoma duryi from Lima (Peru), St. Croix (Virgin Islands), Formosa (Brazil), Cartago (Costa Rica) and St. Vincent (Lesser Antilles), reared in isolation for about 150 days, laid 103 eggs. The numbers of eggs laid by the 10 specimens of each strain were respectively ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Paraense WL,Corrêa LR

更新日期：1988-10-01 00:00:00

abstract：:The schistosomal parasite plays a critical role in the development of malignant lesions in different organs. The pathogenesis of cancer is currently under intense investigation to identify reliable prognostic indices for disease detection. The objective of this paper is to evaluate certain biochemical parameters as di...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Hamed MA,Ahmed SA,Khaled HM

更新日期：2011-05-01 00:00:00

abstract：:There is no clear understanding of the outcome of reinfection in New World cutaneous leishmaniasis, and its role in the relationship to the development of protection or secondary disease. For this reason, reinfection experiments with homologous (Leishmania panamensis-L. panamensis) and heterologous (L. major-L. paname...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Osorio Y,Gonzalez SJ,Gama VL,Travi BL

更新日期：1998-05-01 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：:This paper presents a list of 131 Mallophaga type specimens deposited in the Werneck Collection of Instituto Oswaldo Cruz, Rio de Janeiro, RJ, Brazil. It includes 69 holotypes, 62 allotypes, 683 paratypes, 1 syntype and 2 neoparatypes, distributed among 6 families and 35 genera. The types are listed with their respect...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Cardozo-de-Almeida M,Linardi PM,Costa J

更新日期：2003-03-01 00:00:00

abstract：:More sensitive methodologies are necessary to improve strongyloidiasis diagnosis. This study compared the sensitivities of the McMaster modified technique and polymerase chain reaction (PCR) assays, both performed in faecal samples. Lewis rats were subcutaneously infected with 4,000, 400 or 40 infective third-stage la...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Marra NM,Chiuso-Minicucci F,Machado GC,Zorzella-Pezavento SF,França TG,Ishikawa LL,Amarante AF,Sartori A,Amarante MR

更新日期：2010-02-01 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

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：:Several factors appear to affect vertical HIV-1 transmission, dependent mainly on characteristics of the mother (extent of immunodeficiency, co-infections, risk behaviour, nutritional status, immune response, genetical make-up), but also of the virus (phenotype, tropism) and, possibly, of the child (genetical make-up)...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Bongertz V

更新日期：2001-01-01 00:00:00

abstract：:The enzyme-linked immunosorbent assay (Elisa) was used to examine sera of 104 children and adults in Jos, Plateau State, Nigeria for anti-toxocaral antibodies, out of which 31 (29.8%) were reactive. The seropositive rates were 30.4% for adults, 29.6% for children, 34% for females and 25.9% for males. However, the diff...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Ajayi OO,Duhlinska DD,Agwale SM,Njoku M

更新日期：2000-03-01 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：:Aspects related to hatching, lifetime, number of blood meals for molting, mortality, feeding time, and postfeeding defecation delay were evaluated and compared in each instar of three North American Triatominae: Triatoma gerstaeckeri, Triatoma lecticularia and Triatoma protracta, all of them fed on rabbits. No signifi...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Martínez-Ibarra JA,Alejandre-Aguilar R,Paredes-González E,Martínez-Silva MA,Solorio-Cibrián M,Nogueda-Torres B,Trujillo-Contreras F,Novelo-López M

更新日期：2007-12-01 00:00:00

abstract：:The prevalence of atopic diseases and diabetes is increasing worldwide though the concurrence of these pathologies in individual patients is found less frequent than it would be predicted. Moreover, co-existence of diabetes and allergy is generally marked by attenuation of their respective symptoms, and effective trea...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Carvalho VF,Barreto EO,Cordeiro RS,Lagente V,Martins MA,e Silva PM

更新日期：2005-03-01 00:00:00

abstract：:Trypanosomatids are parasites that cause disease in humans, animals, and plants. Most are non-pathogenic and some harbor a symbiotic bacterium. Endosymbiosis is part of the evolutionary process of vital cell functions such as respiration and photosynthesis. Angomonas deanei is an example of a symbiont-containing trypa...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Penha LL,Hoffmann L,Souza SS,Martins AC,Bottaro T,Prosdocimi F,Faffe DS,Motta MC,Ürményi TP,Silva R

更新日期：2016-11-01 00:00:00

abstract：:A massive and homogeneous amount of amastigote-like forms was detected in the stomodeal valve (SV) and the thoracic mid-gut (TMG) of Leishmania major-infected Phlebotomus papatasi, which received a second blood meal 13 to 21 days post-infection on healthy anaesthetized hamsters. After re-feeding, the infected sand fli...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Añez N,Tang Y,Rojas A,Crisante G,Killick-Kendrick M,Killick-Kendrick R

更新日期：2003-06-01 00:00:00

abstract：:We used a slide culture technique to detect tubercle bacilli surviving in sputum smears (n=46) after conventional heat fixation and Ziehl-Neelsen staining. In all heat-fixed sputum smears, tubercle bacilli survived after time 0 (n=22), 24 h (n=7), 48 h (n=7), 72 h (n=4), and seven days (n=6). None of the stained sputu...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Cardoso CL,Giacomelli LR,Helbel C,Sant'Ana JJ,Martins FM,Barreto AM

更新日期：2001-02-01 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：:Studies on the sandfly fauna to evaluate natural infection indexes are still limited in the Brazilian Amazon, a region with an increasing incidence of cutaneous leishmaniasis. Here, by using a multiplex polymerase chain reaction directed to Leishmania kDNA and hybridisation, we were able to identify L. (Viannia) subge...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Araujo-Pereira T,Pita-Pereira D,Boité MC,Melo M,Costa-Rego TA,Fuzari AA,Brazil RP,Britto C

更新日期：2017-01-01 00:00:00

abstract：:Angiotensin II (AII), a product of rennin-angiotensin system, exerts an important role on the function of immune system cells. In this study, the effect of AII on the phagocytic activity of mouse peritoneal macrophages was assessed. Mice peritoneal macrophages were cultured for 48 h and the influence of different conc...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Belline P,da Melo PS,Haun M,Palhares FB,Boer PA,Gontijo JA,Figueiredo JF

更新日期：2004-03-01 00:00:00

abstract：:Chagas cardiomyopathy is the most frequent and most severe manifestation of chronic Chagas disease, and is one of the leading causes of morbidity and death in Latin America. Although the pathogenesis of Chagas cardiomyopathy is incompletely understood, it may involve several mechanisms, including parasite-dependent my...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Rassi A Jr,Marin JA Neto,Rassi A

更新日期：2017-03-01 00:00:00

abstract：:The ultrastructure of endogenous stages of Eimeria ninakohlyakimovae was observed in epithelial cells of cecum and colon crypts from a goat experimentally infected with 2.0 x 10(5) oocysts/kg. The secondary meronts developed above the nucleus of the host cell. The nucleus first divides and merozoites then form on the ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Vieira LS,Lima JD,Ribeiro MF,Bozzi IA,Camargos ER

更新日期：1997-07-01 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