Identification of hepatitis C virus subtype 2c by sequencing analysis in patients from Córdoba, Argentina.

abstract：:To compare the epidemiological profile and socioeconomic factors associated to the infection by Schistosoma mansoni in a rural and an urban endemic area a cross-sectional study was performed in Agua Branca de Minas (rural area) and Bela Fama (urban area), both situated in the State of Minas Gerais, Brazil. Two hundred...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Amorim MN,Rabello A,Contreras RL,Katz N

更新日期：1997-09-01 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：: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：:Immunoblot analysis was used to investigate antigenic differences among clinical isolates of Leishmania amazonensis and their role in the etiology of the disease. Western blots of promastigote homogenates were analyzed with either monoclonal antibodies (MAbs) specific for the L. mexicana complex (M-4, M-6, M-9, and M-...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Leon LL,Machado GM,Barral A,de Carvalho-Paes LE,Grimaldi Júnior G

更新日期：1992-04-01 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：: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：:Molecular evidence showed 46.2% of Trypanosoma cruzi infection in Mepraia spinolai insects from North-Central Chile, which is significantly higher than previous reports of up to 26% by microscopic observation. Our results show similar infection levels among nymphal stages, ranging from 38.3 to 54.1%, indicating that y...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Botto-Mahan C,Ortiz S,Rozas M,Cattan PE,Solari A

更新日期：2005-05-01 00:00:00

abstract：:This paper presents the morphological, histological and ultrastructural characteristics of Myxobolus oliveirai sp. nov., a parasite of the gill filaments in Brycon hilarii from the Brazilian Pantanal. Out of 216 B. hilariispecimens examined (126 wild and 90 cultivated), 38.1% of wild specimens (n = 48) were infected. ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Milanin T,Eiras JC,Arana S,Maia AA,Alves AL,Silva MR,Carriero MM,Ceccarelli PS,Adriano EA

更新日期：2010-09-01 00:00:00

abstract：:The epidemiological features of rotavirus A (RVA) infection differ between children from developing and developed countries which could result in differences in vaccine efficacy around the world. To evaluate the impact of Rotarix™ on RVA prevalence, we monitored RVA genotypes circulating in Goiânia by monitoring virus...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Borges AM,Dias e Souza M,Fiaccadori FS,Cardoso Dd

更新日期：2011-06-01 00:00:00

abstract：:Details are given of the prevalence rates of onchocerciasis from the most recent surveys (1989) conducted in northern Ecuador. The disease has intensified and dispersed considerably due to migration of infected individuals and the presence of a highly efficient vector. Comparison of these data with those from two prev...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Guderian RH,Shelley AJ

更新日期：1992-07-01 00:00:00

abstract：:Bacillus sphaericus produces at least two toxins which are highly toxic to mosquito larvae. The binary toxin, which is comprised of proteins of 51.4 and 41.9 kDa, is present in all highly insecticidal strains. The 100 kDa SSII-1 toxin is present in most highly insecticidal as well as the weakly insecticidal strains. T...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Davidson EW

更新日期：1995-01-01 00:00:00

abstract：:Genomic DNA fragments from males of Psychodopygus wellcomei were isolated and shown to be useful as sensitive diagnostic probes for positively separating individuals of this species from those of Ps. complexus. These two members of the Ps. squamiventris series are found sympatrically in foci of cutaneous leishmaniasis...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Ready PD,Lainson R,Shaw JJ,Souza AA

更新日期：1991-01-01 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：:CD8+ T cells have been implicated as critical effector cells in protection against the pre-erythrocytic stage of malaria in mice and humans following irradiated sporozoite immunization. Immunization experiments in animal models by several investigators have suggested different strategies for vaccination against malari...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Oliveira-Ferreira J,Daniel-Ribeiro C

更新日期：2001-02-01 00:00:00

abstract：:The yield as well as phenotypic and functional parameters of canine peripheral blood monocyte-derived macrophages were analyzed. The cells that remained adherent to Teflon after 10 days of culture had high phagocytic activity when inoculated with Leishmania chagasi. Flow cytometric analysis demonstrated that more than...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Bueno R,Mello MN,Menezes CA,Dutra WO,Santos RL

更新日期：2005-08-01 00:00:00

abstract：:The evaluation of the activity of the aqueous and ethyl acetate extracts of the leaves of Piper regnellii was tested against gram-positive and gram-negative bacteria. The aqueous extract displayed a weak activity against Staphylococcus aureus and Bacillus subtilis with minimal inhibitory concentration (MIC) and minima...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Pessini GL,Dias Filho BP,Nakamura CV,Cortez DA

更新日期：2003-12-01 00:00:00

abstract：:Acute infection with Trypanosoma cruzi results in intense myocarditis, which progresses to a chronic, asymptomatic indeterminate form. The evolution toward this chronic cardiac form occurs in approximately 30% of all cases of T. cruzi infection. Suppression of delayed type hypersensitivity (DTH) has been proposed as a...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Thé TS,Portella RS,Guerreiro ML,Andrade SG

更新日期：2013-09-01 00:00:00

abstract：:In the Brazilian Amazon, American tegumentary leishmaniasis (ATL) is endemic and presents a wide spectrum of clinical manifestations due, in part, to the circulation of at least seven Leishmania species. Few reports of Leishmania (Viannia) naiffi infection suggest that its occurrence is uncommon and the reported cases...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Fagundes-Silva GA,Romero GA,Cupolillo E,Yamashita EP,Gomes-Silva A,Guerra JA,Da-Cruz AM

更新日期：2015-09-01 00:00:00

abstract：:The aim of the current paper was to study in the state of Sergipe the population distribution and interactions between two species of Biomphalaria, the snail vectors of Schistosoma mansoni in the northeastern Brazil. Data collected in 1969 showed that B. straminea, with only one exception, was limited to the semi-dry ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Figueiredo CC

更新日期：1989-07-01 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：:Triatoma guasayana and two putative cryptic species pertaining to T. sordida complex (named groups 1 and 2) occur in sympatry in the Bolivian Chaco. Using multilocus enzyme electrophoresis and subsequent genetic analysis, our work assesses their population distribution and dispersal capacity in domestic, peridomestic,...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Noireau F,Gutierrez T,Flores R,Breniere F,Bosseno MF,Wisnivesky-Colli C

更新日期：1999-07-01 00:00:00

abstract：:Granuloma size is the variable most frequently used to evaluate the immunopathogenesis of schistosome infections. However, hepatic fibrosis is at the least an equally relevant variable. Hepatic fibrosis and the size of circumoval granulomas are frequently dissociated in experimental murine Schistosoma mansoni and S. j...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Cheever AW

更新日期：1997-09-01 00:00:00

abstract：:Four cross sectional studies on morbidity of schistosomiasis mansoni were carried out respectively in 1973, 1974, 1979 and 1983 in the Village of Capitão Andrade, District of Itanhomi, State of Minas Gerais, Brazil, through clinical and fecal examination of the population. In addition a comparison was made of the dina...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Coura JR,Conceição MJ,Pereira JB

更新日期：1984-10-01 00:00:00

abstract：:Anopheles (Nyssorhynchus) pristinus Nagaki & Sallum, n. sp. of the Myzorhynchella Section is described based on morphological characters of adult females, males, fourth-instar larvae, pupae and male genitalia. Anopheles (Nyssorhynchus) antunesi Galvão & Amaral is characterized to fix its identity and distinguish it fr...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Nagaki SS,Motta Mde A,Sallum MA

更新日期：2010-05-01 00:00:00

abstract：:Lutzomyia georgii n. sp. and the female of L. tarapacaensis in the Series infraspinosa of the subgenus Evandromyia are described, from specimens collected in rainforest in the north of the State of Pará, Brazil. The new species was taken together with five other Evandromyia species including L. infraspinosa (sensu str...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Freitas RA,Barrett TV

更新日期：2002-03-01 00:00:00

abstract：:Mitochondrial DNA of Biomphalaria tenagophila, a mollusc intermediate host of Schistosoma mansoni in Brazil, was sequenced and characterised. The genome size found for B. tenagophila was 13,722 bp and contained 13 messenger RNAs, 22 transfer RNAs (tRNA) and two ribosomal RNAs (rRNA). In addition to sequencing, the mit...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Jannotti-Passos LK,Ruiz JC,Caldeira RL,Murta SM,Coelho PM,Carvalho OS

更新日期：2010-07-01 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：:Artemisinin is the active antimalarial compound obtained from the leaves of Artemisia annua L. Artemisinin, and its semi-synthetic derivatives, are the main drugs used to treat multi-drug-resistant Plasmodium falciparum (one of the human malaria parasite species). The in vitro susceptibility of P. falciparum K1 and 3d...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Silva LF,Magalhães PM,Costa MR,Alecrim Md,Chaves FC,Hidalgo Ade F,Pohlit AM,Vieira PP

更新日期：2012-11-01 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：BACKGROUND:The detection of live Mycobacterium leprae in soil and animals other than humans suggests that the environment plays a role in the transmission of leprosy. OBJECTIVE:The objective of this study was to investigate the presence of viable M. leprae in natural water sources used by the local population in five ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Arraes MLBM,Holanda MV,Lima LNGC,Sabadia JAB,Duarte CR,Almeida RLF,Kendall C,Kerr LRS,Frota CC

更新日期：2017-12-01 00:00:00