Intestinal coccidia in Cuban pediatric patients with diarrhea.

abstract：:Aspartyl proteases are a class of enzymes that include the yeast aspartyl proteases and secreted aspartyl protease (Sap) superfamilies. Several Sap superfamily members have been demonstrated or suggested as virulence factors in opportunistic pathogens of the genus Candida. Candida albicans, Candida tropicalis, Candida...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Parra-Ortega B,Cruz-Torres H,Villa-Tanaca L,Hernández-Rodríguez C

更新日期：2009-05-01 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 2004, the urban presence of Lutzomyia longipalpis was recorded for the first time in Formosa province. In 2006, the first autochthonous case of human urban visceral leishmaniasis (VL) was recorded in Misiones in the presence of the vector, along with some canine VL cases. After this first case, the vector began to ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Bravo AG,Quintana MG,Abril M,Salomón OD

更新日期：2013-12-01 00:00:00

abstract：:Forty-three (31.4%) out of 137 serum samples obtained from two Indian communities living in the Amazon region were found to be positive for HTLV-I antibody, as tested by enzyme-linked immunosorbent assay (ELISA). Eighty-two sera were collected from Mekranoiti Indians, yielding 39% of positivity, whereas 11 (20.0%) of ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Nakauchi CM,Linhares AC,Maruyama K,Kanzaki LI,Macedo JE,Azevedo VN,Casseb JS

更新日期：1990-01-01 00:00:00

abstract：:The association between pyogenic liver abscesses and schistosomiasis has been confirmed by clinical and experimental studies. In this retrospective study of 78 patients with pyogenic liver abscesses the association with schistosomiasis has been investigated. Pyodermitis, a known focus of bacteremia, was observed in 19...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Teixeira R,Pfeilsticker FJ,Santa Cecília GD,Nobre V,Fonseca LP,Serufo JC,Coelho PM,Lambertucci JR

更新日期：2001-01-01 00:00:00

abstract：BACKGROUND:Enterocytozoon bieneusi are the most common microsporidia associated with different clinical manifestations such as diarrhoea, respiratory tract inflammation and acalculous cholecystitis, especially in immunocompromised patients. Infection usually occurs by ingestion of food and water contaminated with spore...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Yamashiro S,Fiuza VRDS,Teixeira ÂTLS,Branco N,Levy CE,Castro ICVS,Franco RMB

更新日期：2017-06-01 00:00:00

abstract：:The sample consists of 226 skulls from the Atacameño cemetery of Coyo Oriente (639-910 AD), associated with the Tiwanaku period. The authors analyzed signs of acute trauma typically associated with violence, and the results were 12% of men and 9.9% of women displaying any type of lesion related to violence. In males, ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Lessa A,de Souza SM

更新日期：2006-12-05 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：:Corynebacterium striatum is a potentially pathogenic microorganism with the ability to produce outbreaks of nosocomial infections. Here, we document a nosocomial outbreak caused by multidrug-resistant (MDR) C. striatum in Rio de Janeiro, Brazil. C. striatum identification was confirmed by 16S rRNA and rpoB gene sequen...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Baio PV,Mota HF,Freitas AD,Gomes DL,Ramos JN,Sant'Anna LO,Souza MC,Camello TC,Hirata Junior R,Vieira VV,Mattos-Guaraldi AL

更新日期：2013-02-01 00:00:00

abstract：:Positive Montenegro's skin test is a delayed type hypersensitivity reaction widely used as indicative of previous infection with Leishmania in both humans and dogs. Montenegro's antigen consists of a crude Leishmania antigen solution, usually containing thimerosal as preserving agent. In this work it is shown that a l...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Paranhos-Silva M,Pontes-de-Carvalho LC,de Sá Oliveira GG,Nascimento EG,dos-Santos WL

更新日期：2001-07-01 00:00:00

abstract：:We present herein an improved assay for detecting the presence of extracellular proteases from microorganisms on agar plates. Using different substrates (gelatin, BSA, hemoglobin) incorporated into the agar and varying the culture medium composition, we were able to detect proteolytic activities from Pseudomonas aerug...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Vermelho AB,Meirelles MN,Lopes A,Petinate SD,Chaia AA,Branquinha MH

更新日期：1996-11-01 00:00:00

abstract：:The primary objective of this study was to estimate the prevalence of this disease in women of childbearing age and children treated at health centres in underserviced areas of the city of Buenos Aires. Demographic and Chagas disease status data were collected. Samples for Chagas disease serology were obtained on filt...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Moscatelli G,Berenstein A,Tarlovsky A,Siniawski S,Biancardi M,Ballering G,Moroni S,Schwarcz M,Hernández S,García-Bournissen F,Cozzi AE,Freilij H,Altcheh J

更新日期：2015-08-01 00:00:00

abstract：:Studies based on shell or reproductive organ morphology and genetic considerations suggest extensive intraspecific variation in Biomphalaria snails. The high variability at the morphological and genetic levels, as well as the small size of some specimens and similarities between species complicate the correct identifi...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Vidigal TH,Dias Neto E,Spatz L,Nunes DN,Pires ER,Simpson AJ,Carvalho OS

更新日期：1998-01-01 00:00:00

abstract：:The purpose of this study was to investigate the genotypes of Giardia lamblia from human and animal feces and their epidemiological and clinical characteristics in Argentina, South America. Seventy isolates, 60 from humans (adults and children), eight from dogs and two from cows were processed by polymerase chain reac...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Minvielle MC,Molina NB,Polverino D,Basualdo JA

更新日期：2008-02-01 00:00:00

abstract：:Mosquito-borne diseases such as dengue fever, chikungunya or malaria affect millions of people each year and control solutions are urgently needed. An international research program is currently being developed that relies on the introduction of the bacterial endosymbiont Wolbachia pipientis into Aedes aegypti to cont...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Popovici J,Moreira LA,Poinsignon A,Iturbe-Ormaetxe I,McNaughton D,O'Neill SL

更新日期：2010-12-01 00:00:00

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：:India was affected by a major outbreak of chikungunya fever caused by Chikungunya virus (CHIKV) during 2006-2007. Kerala was the worst affected state during 2007 with a contribution of 55.8% suspected cases in the country. However, except for clinically reported case records, no systematic information is available on ...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Kumar NP,Suresh A,Vanamail P,Sabesan S,Krishnamoorthy KG,Mathew J,Jose VT,Jambulingam P

更新日期：2011-12-01 00:00:00

abstract：:Trypanosomes are parasitic protozoa in which gene expression is primarily controlled through the regulation of mRNA stability and translation. This post-transcriptional control is mediated by various families of RNA-binding proteins, including those with zinc finger CCCH motifs. CCCH zinc finger proteins have been sho...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Mörking PA,Rampazzo Rde C,Walrad P,Probst CM,Soares MJ,Gradia DF,Pavoni DP,Krieger MA,Matthews K,Goldenberg S,Fragoso SP,Dallagiovanna B

更新日期：2012-09-01 00:00:00

abstract：:A key is presented for the identification of the adults of 54 species of bloodsucking ceratopogonids, 51 of which are known inhabitants of Argentina, and Culicoides uruguayensis Ronderos, C. pifanoi Ortiz, and C. trilineatus Fox, which are known to occur in bordering Uruguay and Paraguay. Wing photographs are provided...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Spinelli GR,Ronderos MM,Díaz F,Marino PI

更新日期：2005-04-01 00:00:00

abstract：:Genetic typing of pathogenic agents and of vectors has known impressive developments in the last 10 years, thanks to the progresses of molecular biology, and to the contribution of the concepts of evolutionary genetics. Moreover, we know more and more on the genetic susceptibility of man to infectious diseases. I prop...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Tibayrenc M

更新日期：1998-09-01 00:00:00

abstract：:The goals of the present study were to evaluate the kinetics of blood parasitism by examination of fresh blood, blood culture (BC) and PCR assays and their correlation with heart parasitism during two years of infection in Beagle dogs inoculated with the Be-78, Y and ABC Trypanosoma cruzi strains. Our results showed t...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Veloso VM,Guedes PM,Andrade IM,Caldas IS,Martins HR,Carneiro CM,Machado-Coelho GL,de Lana M,Galvão LM,Bahia MT,Chiari E

更新日期：2008-09-01 00:00:00

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：:Antibodies against heart vascular structures and striated muscle cells interstitium (EVI antibodies) persist in Chagas' disease patients who had been cured by specific treatment as demonstrated by negative xenodiagnosis, conventional serology (CS) and complement mediated lysis (CoML). On the other hand, EVI antibodies...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Brener Z,Ramirez LE,Krettli AU,Cançado JR

更新日期：1983-10-01 00:00:00

abstract：:This study's objective was to search for Cryptosporidium sp. in diarrheic feces from children aged zero to 12 years and cared for at medical units within Universidade Federal de Uberlândia or at a private practice in Uberlândia, State of Minas Gerais, Brazil, from September 1992 to August 1993. Three fecal samples pre...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Gennari-Cardoso ML,Costa-Cruz JM,de Castro E,Lima LM,Prudente DV

更新日期：1996-09-01 00:00:00

abstract：:A semiarid area of northwest Costa Rica where Lutzomyia longipalpis is common in corrals around houses is described. Monthly captures of the sandfly during two consecutive years for fixed periods of time indicated that the insect bites avidly cows, horses, pigs, dogs and humans. From a total of 14,215 specimens, 90.5%...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Zeledón R,Murillo J,Gutierrez H

更新日期：1984-10-01 00:00:00

abstract：:From October 2000 to April 2001, insecticide bioassays were conducted in 18 ranches from 10 counties in the states of Mato Grosso and Mato Grosso do Sul, in Central Brazil. Horn flies from wild populations were exposed to diazinon-impregnated filter papers immediately after collection on cattle, and mortality was reco...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Barros AT,Gomes A,Ismael AP,Koller WW

更新日期：2002-09-01 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：:We report the finding of Tetrameres spirospiculum Pinto & Vicente, 1995 from Theristicus melanopis melanopis (Threskiornithidae) from Patagonia, Argentina. These constitute new host and locality records. We propose the assignation of this species to the subgenus T. (Gynaecophila) Gubanov, 1950, based on the presence o...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Digiani MC,Cremonte F

更新日期：2001-04-01 00:00:00

abstract：:An overview is presented of the results obtained with biodegradable sustained release devices (SRDs) containing a mixture of polymers and either isometamidium (ISMM) or ethidium. Under controlled laboratory conditions (monthly challenge with tsetse flies infected with Trypanosoma congolense) the protection period in S...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Geerts S,Brandt J,De Deken R

更新日期：1999-03-01 00:00:00

abstract：:Sixteen species of ectoparasites were collected from 50 wild rodents, from August 1990 to August 1991, in an area of Araucaria augustifolia forest, in the municipality of Tijucas do Sul, State of Paraná, Brazil. Ectoparasites infested 98% of the rodents, with the highest indices of infestation found in the drycool sea...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Barros-Battesti DM,Arzua M,Linardi PM,Botelho JR,Sbalqueiro IJ

更新日期：1998-11-01 00:00:00