abstract：:Previous experiences have demonstrated the same ABO system and P system antigens in A. lumbricoides extracts and in their hosts. The aim was to show the behavior of an A. lumbricoides extract from an O Group patient against monoclonal antibodies of different specificities. Agglutination Inhibition Tests were carried o...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Ponce de León P,Foresto P,Valverde J

更新日期：2005-05-01 00:00:00

abstract：:Neutrophils, eosinophils and macrophages are cells that interact with invading parasites and naive hosts have been shown to have anti-parasitic activity. The initial reaction of these leukocytes is the generation of reactive oxygen species (ROS) to play in parasite expulsion. The present work was carried out to study ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Pugine SM,Faria MF,Maia AA,Valle CR,Boschini C,Poleti MD,Silva MR,De Melo MP

更新日期：2005-03-01 00:00:00

abstract：:The aim of this research was to evaluate the prevalence of Staphylococcus spp. and S. aureus in the odontological clinic environment (air), their production of beta-lactamase and antibacterial susceptibility to the major antibiotics utilized in medical particle. During 12 months of samples collect were isolated 9775 C...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Bernardo WL,Boriollo MF,Gonçalves RB,Höfling JF

更新日期：2005-01-01 00:00:00

abstract：:In Brazil, the main etiologic agent of Leishmaniasis that frequently presents with mucosal involvement belongs to the Viannia subgenus. The therapeutic conduct in this disease depends on the parasitological diagnosis, and classical methods are restricted in identifying the agent. In this paper we describe a polymerase...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Paiva BR,Passos LN,Falqueto A,Malafronte Rdos S,Andrade HF Jr

更新日期：2004-11-01 00:00:00

abstract：:In the last years, new techniques of neuroimages and histopathological methods have been added to the management of cerebral mass lesions in patients with AIDS. Stereotactic biopsy is necessary when after 14 days of empirical treatment for Toxoplasma gondii encephalitis there is no clinical or neuroradiologic improvem...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Corti ME,Yampolsky C,Metta H,Valerga M,Sevlever G,Capizzano A

更新日期：2004-07-01 00:00:00

abstract：:The aim of this study was to compare the fecundity and fertility of B. glabrata and B. straminea by cross- and self-fertilization. To attain this objective, laboratory-raised strains of B. glabrata and B. straminea were used. The former originated from natural breeding grounds in the municipality Paulista, state of Pe...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Costa MJ,Grault CE,Confalonieri UE

更新日期：2004-05-01 00:00:00

abstract：:The effects of eucalyptol were evaluated against the house fly, Musca domestica L., and blow fly, Chrysomya megacephala (F.). The bioassay of adults, using topical application, indicated that M. domestica males were more susceptible than females, with the LD50 being 118 and 177 microg/fly, respectively. A higher LD50 ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Sukontason KL,Boonchu N,Sukontason K,Choochote W

更新日期：2004-03-01 00:00:00

abstract：UNLABELLED:Hepatocellular carcinoma (HCC) is an important type of cancer etiologically related to some viruses, chemical carcinogens and other host or environmental factors associated to chronic liver injury in humans. The tumor suppressor gene p53 is mutated in highly variable levels (0-52%) of HCC in different countr...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Alves VA,Nita ME,Carrilho FJ,Ono-Nita SK,Wakamatsu A,Lehrbach DM,de Carvalho MF,de Mello ES,Gayotto LC,da Silva LC

更新日期：2004-01-01 00:00:00

abstract：:Chromoblastomycosis (CBM) is a chronic subcutaneous infection caused by several dematiaceous fungi. The most commonly etiological agent found in Brazil is Fonsecaea pedrosoi, which appears as thick walled, brownish colored cells with transverse and longitudinal division in the lesions, called "muriform cells". This di...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Vidal MS,de Castro LG,Cavalecate SC,Lacaz Cda S

更新日期：2003-11-01 00:00:00

abstract：:The formalin-Tween sedimentation method was compared with the formalin-ether sedimentation for parasitic detection. Of a total 297 fecal specimens examined, 72.1% were positive. The formalin-tween technique was effective for ascertaining helminths, particularly Ascaris lumbricoides, Trichuris trichiura and hookworm eg...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Methanitikorn R,Sukontason K,Sukontason KL,Piangjai S

更新日期：2003-09-01 00:00:00

abstract：:Cerebral phaeohyphomycosis ("chromoblastomycosis") is a rare intracranial lesion. We report the first human culture-proven case of brain abscesses due to Fonsecaea pedrosoi in Brazil. The patient, a 28 year-old immunocompetent white male, had ocular manifestations and a hypertensive intracranial syndrome. Magnetic res...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Nóbrega JP,Rosemberg S,Adami AM,Heins-Vaccari EM,Lacaz Cda S,de Brito T

更新日期：2003-07-01 00:00:00

abstract：:This study evaluated the whole blood immunochromatographic card test (ICT card test) in a survey performed in Northeastern Brazil. 625 people were examined by the thick blood film (TBF) and ICT card test. Residents of a non-endemic area were also tested by the whole blood card test and Og4C3. The sensitivity of the IC...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Braga C,Dourado MI,Ximenes RA,Alves L,Brayner F,Rocha A,Alexander N

更新日期：2003-05-01 00:00:00

abstract：:Tuberculous brain abscesses in AIDS patients are considered rare with only eight cases reported in the literature. We describe the case of a 34-year-old woman with AIDS and previous toxoplasmic encephalitis who was admitted due to headache and seizures. A brain computed tomography scan disclosed a frontal hypodense le...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Vidal JE,Cimerman S,da Silva PR,Sztajnbok J,Coelho JF,Lins DL

更新日期：2003-03-01 00:00:00

abstract：:Opportunistic diseases in HIV-infected patients have changed since the introduction of highly active anti-retroviral therapy (HAART). This study aims at evaluating the frequency of associated diseases in patients with AIDS admitted to an university hospital of Brazil, before and after HAART. The medical records of 342...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Nobre V,Braga E,Rayes A,Serufo JC,Godoy P,Nunes N,Antunes CM,Lambertucci JR

更新日期：2003-03-01 00:00:00

abstract：:A total of 868 (84.89%) patients diagnosed with tetanus were studied, out of the 1,024 tetanus patients hospitalized at Couto Maia Hospital (Salvador, Bahia, Brazil), during the period between 1986 and 1997. Of this group (n = 868), 63.5% (n = 551) were discharged, 35.4% (n = 307) died, and 1.1% (n = 10) were transfer...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Greco JB,Tavares-Neto J,Greco Júnior JB

更新日期：2003-01-01 00:00:00

abstract：:Cranial CT scans of eleven immunocompetent children with central nervous system (CNS) infection due to Cryptococcus neoformans var. gattii were retrospectively reviewed. These children had an average age of 8.8 years and positive culture for C. n. var. gattii in cerebrospinal fluid. The most common signs and symptoms ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Correa Mdo P,Severo LC,Oliveira Fde M,Irion K,Londero AT

更新日期：2002-09-01 00:00:00

abstract：:Experiments were carried out to test the susceptibility of Biomphalaria tenagophila to the infection with strain SJ of Schistosoma mansoni in the F1, F2 and non-selected parental generation. The potential adaptation of B. tenagophila to desiccation, in healthy mollusks and those exposed to the larvae of S. mansoni of ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Ohlweiler FP,Kawano T

更新日期：2002-07-01 00:00:00

abstract：:A new conglomerate family sample of 194 dwellings with 996 resident persons were studied in the town of Barcelos, State of Amazonas, in order to re-evaluate the risk of Chagas disease. During the survey the persons were interviewed and in this occasion we showed to them a collection of Panstrongylus, Rhodnius and Tria...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Coura JR,Junqueira AC,Boia MN,Fernandes O,Bonfante C,Campos JE,Santos L,Devera R

更新日期：2002-05-01 00:00:00

abstract：:A serological screening was performed in 615 individuals aged 0-87 years, living in the city of Cordoba, Argentina to study the relationship between antibody prevalence for the SLE virus and age. A 13.98% prevalence of neutralizing antibodies was obtained and its relation to age was significantly high (p = 0.045). The...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Spinsanti LI,Ré VE,Díaz MP,Contigiani MS

更新日期：2002-03-01 00:00:00

abstract：:The aim of this article is to present an investigation of cure rate, after long follow up, of specific chemotherapy with benznidazole in patients with both acute and chronic Chagas disease, applying quantitative conventional serological tests as the base of the criterion of cure. Twenty one patients with the acute for...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Cancado JR

更新日期：2002-01-01 00:00:00

abstract：:To investigate the effectiveness of the influenza vaccine in a population of elderly outpatients, we compared the occurrence and frequency of influenza like illness (ILI), respiratory illness and hospitalization in vaccinated and non-vaccinated subjects. All the outcomes were clinically defined. The two groups were si...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Gutierrez EB,Li HY,Santos AC,Lopes MH

更新日期：2001-11-01 00:00:00

abstract：:Trypanosoma cruzi (Schyzotrypanum, Chagas, 1909), and Chagas disease are endemic in captive-reared baboons at the Southwest Foundation for Biomedical Research, San Antonio, Texas. We obtained PCR amplification products from DNA extracted from sucking lice collected from the hair and skin of T. cruzi-infected baboons, ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Argañaraz ER,Hubbard GB,Ramos LA,Ford AL,Nitz N,Leland MM,Vandeberg JL,Teixeira AR

更新日期：2001-09-01 00:00:00

abstract：:We all hope that biotechnology will answer some social and economical unavoidable requirements of the modern life. It is necessary to improve agriculture production, food abundance and health quality in a sustainable development. It is indeed a hard task to keep the progress on taking into account the rational use of ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Simões-Barbosa A,Simões Barbosa C,Simões Barbosa F

更新日期：2001-07-01 00:00:00

abstract：:In order to contribute to a better understanding of the forms of acquisition of hepatitis C virus (HCV) in Brazil, with special emphasis on sexual transmission, we determined the presence of HCV infection in regular partners and in non-sexual home communicants of blood donors seen at Fundação Pró-Sangue Hemocentro de ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Tengan FM,Eluf-Neto J,Cavalheiro NP,Barone AA

更新日期：2001-05-01 00:00:00

abstract：:Human cryptosporidiosis is an infection caused by Cryptosporidium spp, a coccidial protozoan of emergencial pathogenicity and responsible for severe and prostrating watery diarrhea, mainly in immunocompromised patients. Smears of stools submitted to concentration and staining by carbol fuchsin technique has been used ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Martinez I,Belda Neto FM

更新日期：2001-03-01 00:00:00

abstract：:This study presents the results of T. mentagrophytes inoculation in the cheek pouch of the hamster, an immunologically privileged site. Forty two animals were used: 21 inoculated with 10(6) fungi in the cheek pouch (group 1) and 21 inoculated initially with 10(6) fungi in the foot pad and 15 days later in the cheek po...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： de Arruda MS,Gilioli S,Vilani-Moreno FR

更新日期：2001-01-01 00:00:00

abstract：:A case-control study was conducted to identify risk factors for death from tetanus in the State of Pernambuco, Brazil. Information was obtained from medical records of 152 cases and 152 controls, admitted to the tetanus unit in the State University Hospital, in Recife, from 1990 to 1995. Variables were grouped in thre...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Miranda-Filho DB,Ximenes RA,Bernardino SN,Escarião AG

更新日期：2000-11-01 00:00:00

abstract：:This case report describes the findings of a 18 year-old black male from Bahia, a Northeastern state in Brazil, with the sickle cell trait, who developed bilateral hyphema and vitreous hemorrhage with blindness in the course of leptospirosis. The patient started to complain of blurred vision four days after the start ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Costa E,Lopes AA,Sacramento E,Santos PA

更新日期：2000-09-01 00:00:00

abstract：:M. hominis and U. urealyticum are the better-known mycoplasma species pathogenic to the human genitourinary tract, causing mainly urethritis, bacterial vaginosis and pregnancy complications. In HIV-infected patients, the prevalence and role of these species is still not well known. The aim of this work was to determin...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Cordova CM,Cunha RA

更新日期：2000-07-01 00:00:00

abstract：:We describe the production of the potential monoclonal antibodies (MoAbs) using BALB/c mice immunized with vesicular fluid (VF)-Tcra (T. crassiceps) antigen. Immune sera presented anti-VF-Tcra (<20kD) IgG and IgM antibodies with cross-reactivity with T. solium (Tso) antigen (8-12, 14, and 18 kD). After cell fusion, we...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Espíndola NM,De Gaspari EN,Nakamura PM,Vaz AJ

更新日期：2000-05-01 00:00:00

abstract：:Cytomegalovirus (CMV) infection is the most common congenital infection, affecting 0.4% to 2.3% newborns. Most of them are asymptomatic at birth, but later 10% develop handicaps, mainly neurological disturbances. Our aim was to determine the prevalence of CMV shed in urine of newborns from a neonatal intensive care un...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Santos DV,Souza MM,Gonçalves SH,Cotta AC,Melo LA,Andrade GM,Brasileiro-Filho G

更新日期：2000-05-01 00:00:00

abstract：:Neurocysticercosis (NC), the presence of Taenia solium metacestodes in tissues, is the most frequent and severe parasitic infection of the central nervous system. We investigated the presence of total IgE by an automated chemiluminescence assay in 53 paired cerebrospinal fluid (CSF) and serum samples from patients wit...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Bueno EC,Vaz AJ,Machado Ld,Livramento JA

更新日期：2000-03-01 00:00:00

abstract：:A total of 73 isolates (57 Enterobacter cloacae and 16 Enterobacter agglomerans), recovered during an outbreak of bacteremia in the Campinas area, São Paulo, Brazil, were studied. Of these isolates, 61 were from parenteral nutrition solutions, 9 from blood cultures, 2 from a sealed bottle of parenteral nutrition solut...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Gonçalves CR,Vaz TM,Leite D,Pisani B,Simoes M,Prandi MA,Rocha MM,Cesar PC,Trabasso P,von Nowakonski A,Irino K

更新日期：2000-01-01 00:00:00

abstract：:Nosocomial infection among male patients in a public psychiatric hospital was studied and the definitions for use in long-term care facilities were employed for diagnosis. The overall nosocomial infection rate was 6.7 per 1,000 day inpatients; 55.6% of these infections were identified in the respiratory tract, 50% of ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Almeida RC,Pedroso RP

更新日期：1999-11-01 00:00:00

abstract：:A pair matched case/control study was conducted from January 1991 to 30 June 1992 in order to define clinical and laboratory findings associated with DMAC infection in AIDS patients. Since DMAC infection is usually associated with advanced immunodeficiency, and therefore also with other opportunistic illnesses, in add...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Rolla V,Jacomet C,Salause B,Wirbel E,Perez M,Daniel-Ribeiro CT,Rozenbaum W

更新日期：1999-09-01 00:00:00

abstract：:Erythromycin, a reversal agent in multidrug-resistant cancer, was assayed in chloroquine resistance modulation. The in vitro microtechnique for drug susceptibility was employed using two freshly isolates of Plasmodium falciparum from North of Brazil. The antimalarial effect of the drug was confirmed, with an IC50 esti...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Menezes CM,Kirchgatter K,Di Santi SM,Savalli C,Monteiro FG,Paula GA,Ferreira EI

更新日期：1999-07-01 00:00:00

abstract：:Recombinant yeast-derived hepatitis B vaccine manufactured by Instituto Butantan was administered in two groups of adult volunteers (I, II) following two different schedules of immunization. In the first trial (10 &mgr;g doses and 0, 1, 3 months vaccination schedule) 106 individuals completed the full immunization pro...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Ioshimoto LM,Rissato ML,Bonilha VS,Miyaki C,Raw I I,Granovski N

更新日期：1999-05-01 00:00:00

abstract：:Staphylococcus aureus binds Immunoglobulin G (IgG) on its external surface due to the presence of specific receptors for the Fc domain of this immunoglobulin. This mechanism represents a kind of camouflage against phagocytic cells. In order to confirm that possibility an in vitro evaluation of the phagocytic activity ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Vega B,Garcia JD,Hernandez F

更新日期：1999-05-01 00:00:00

abstract：:The aim of this study was to compare the frequency of headache between Chagasic and Non-chagasic women. The cross-sectional study comprised 647 female > or = 40 years old, Chagasic (n = 362) and Controls (n = 285) at a Brazilian University Hospital. Chagasic were classified as Cardiac (n = 179), Megas (n = 58) or Inde...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： dos Santos VM,da Cunha SF,Teixeira Vde P,Monteiro JP,dos Santos JA,dos Santos TA,dos Santos LA,da Cunha DF

更新日期：1999-03-01 00:00:00

abstract：:Giardia duodenalis isolates from asymptomatic or symptomatic patients and from animals present similarities and differences in the protein composition, antigenic profile, pattern of proteases and isoenzymes, as well as in nucleic acids analysis. In the present overview, these differences and similarities are reviewed ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Guimarães S,Sogayar MI,de Franco MF

更新日期：1999-01-01 00:00:00