Household-based malaria control in a highly endemic area of Africa (Tanzania): determinants of transmission and disease and indicators for monitoring--Kilombero Malaria Project.

abstract：:The effect of deltamethrin of the sandfly population in a focus of American Cutaneous Leishmaniasis in Viana, Espírito Santo State is described. The phlebotomine population density was determined inside and outside houses during a one year period in a treated and untreated area. The results showed a significant reduct...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Falcão AL,Falcão AR,Pinto CT,Gontijo CM,Falqueto A

更新日期：1991-10-01 00:00:00

abstract：:A survey of the carrion fauna was made at two sites in Curitiba, State of Paraná, with the objective of describing the insects associated with carrion and setting up a preliminary data-base for medico-legal purposes in south Brazil. Vertebrate exclusion experiments were carried out in each season between 1994 and 1995...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Moura MO,de Carvalho CJ,Monteiro-Filho EL

更新日期：1997-03-01 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：:Phlebotominae includes some vector species, mainly that of leishmaniases, with a very old host-parasite relationship. Some species fossils of this subfamily have been recently described and this paper presents the description of a new sand fly Pintomyia (Pifanomyia) paleotownsendi sp. nov in amber. The gonostyle prese...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Filho JD,Falcão AL,Galati EA,Brazil RP

更新日期：2006-12-05 00:00:00

abstract：:In the Saimiri monkey, an experimental host for human malaria, acquired protection against Plasmodium falciparum blood stages depends on the IgG antibody populations developed. In vivo protective anti-falciparum activity of IgG antibodies is correlated with the in vitro opsonizing activity promoting phagocytosis of pa...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Gysin J

更新日期：1992-01-01 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：: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：:Few studies are available on hepatitis B virus (HBV), hepatitis C virus (HCV) and human immunodeficiency virus (HIV) co-infection in populations living in small and medium-sized Brazilian cities. We evaluated the seroprevalence of these viruses in selected individuals from a clinic of infectology, who were referred to...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Portelinha Filho AM,Nascimento CU,Tannouri TN,Troiani C,Ascêncio EL,Bonfim R,D'Andrea LA,Prestes-Carneiro LE

更新日期：2009-11-01 00:00:00

abstract：:The tick-bird relationship of 56 specimens of birds (Passeriformes and Columbiformes) collected in the city of Curitiba, State of Paraná, between 1990 and 1995, among which 102 specimens of Ixodes (Multidentatus) auritulus were found and analyzed. New host records were also produced including the first report of I. au...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Arzua M,Barros-Battesti DM

更新日期：1999-09-01 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：: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：: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：:Previous investigations showed that Schistosoma mansoni infection aggravates protein malabsorption in undernourished mice and this can be reverted by administration of casein hydrolysate. The present study was undertaken to evaluate the effects of ingestion of casein hydrolysate for long periods. Albino Swiss mice wer...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Ferreira HS,Coutinho EM,Nascimento GR,Carvalho MC

更新日期：1998-01-01 00:00:00

abstract：:The principal vector of malaria in eastern Venezuela, Anopheles aquasalis, is exophagic and exophilic. Control using indoor insecticide house sprays has failed to lower the number of malaria cases. Therefore, studies were initiated in two villages of the eastern coastal state of Sucre to better understand this vector'...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Berti J,Zimmerman R,Amarista J

更新日期：1993-07-01 00:00:00

abstract：:In this paper a discussion is made on the pathogenesis of schistosomiasis mansoni in mice, presented from the perspectives of "processes", "mediators", "strategies for study" and "disease". These concepts overlap considerably. Regarding "processes", granulomas, fibrosis and vasculitis are discussed. The role of mediat...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Cheever AW

更新日期：1992-01-01 00:00:00

abstract：:Cutaneous leishmaniasis (CL) is a neglected clinical form of public health importance that is quite prevalent in the northern and eastern parts of Egypt. A comprehensive study over seven years (January 2005-December 2011) was conducted to track CL transmission with respect to both sandfly vectors and animal reservoirs...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Samy AM,Doha SA,Kenawy MA

更新日期：2014-06-01 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

abstract：BACKGROUND:In Brazil, the Yellow Fever virus (YFV) is endemic in the Amazon, from where it eventually expands into epidemic waves. Coastal south-eastern (SE) Brazil, which has been a YFV-free region for eight decades, has reported a severe sylvatic outbreak since 2016. The virus spread from the north toward the south o...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Abreu FVS,Delatorre E,Dos Santos AAC,Ferreira-de-Brito A,de Castro MG,Ribeiro IP,Furtado ND,Vargas WP,Ribeiro MS,Meneguete P,Bonaldo MC,Bello G,Lourenço-de-Oliveira R

更新日期：2019-01-01 00:00:00

abstract：:An important point in paleoparasitology is the correct diagnosis of the origin of coprolites found in archaeological sites. The identification of human and animal coprolites, through the study of the shape, size, characteristics after rehydration, alimentary contents, and the presence of parasites, has proved to be ac...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Ferreira LF,Araújo A,Confalonieri U,Chame M

更新日期：1989-04-01 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 aim of this study was to test if serological distinction between patients with active and inactive neurocysticercosis (NCC), could be accomplished by the recognition of immunodominant peptides in total saline antigenic extract of Taenia solium metacestodes by IgG antibody in cerebrospinal fluid (CSF) and serum pai...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Barcelos IS,Moura LP,Costa VP,Ferreira MS,Costa-Cruz JM

更新日期：2007-09-01 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 present paper reports acuarioid nematodes recovered from avian hosts. A new species of the genus Schistorophus Railliet, 1916 is proposed based mainly on findings referring to ptilina, spicules and vagina. Ancyracanthopsis coronata (Molin, 1860) Chabaud & Petter, 1959 is referred again in Brazil since its proposit...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Pinto RM,Vicente JJ,Muniz-Pereira LC,Noronha D

更新日期：1999-11-01 00:00:00

abstract：:This article presents an overview of the currently available drugs nifurtimox (NFX) and benznidazole (BZN) used against Trypanosoma cruzi, the aetiological agent of Chagas disease; herein we discuss their limitations along with potential alternatives with a focus on ergosterol biosynthesis inhibitors (EBI). These comp...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Urbina JA

更新日期：2009-07-01 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：:We collected and analyzed 500 samples of human milk, from five Brazilian cities (100 from each) to detect methicillin-resistant strains of Staphylococcus aureus (MRSA) producing enterotoxins. We found 57 strains of MRSA, and the mecA gene, responsible for resistance, was detected in all of them using a specific molecu...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Novak FR,Almeida JA,Warnken MB,Ferreira-Carvalho BT,Hagler AN

更新日期：2000-01-01 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：:Certifying the absence of Chagas disease transmission by native vectors lacks scientific grounds and weakens long-term control-surveillance systems to the detriment of people living under risk conditions. Instead, a regular "certification of good practice" (including vector control-surveillance, case detection/patient...

journal_title：Memorias do Instituto Oswaldo Cruz

authors： Abad-Franch F,Diotaiuti L,Gurgel-Gonçalves R,Gürtler RE

更新日期：2013-04-01 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 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