Screening the mutagenic activities of commonly used antiparasite drugs by the Simultest, a simplified Salmonella/microsome plate incorporation assay.

abstract：:American tegumentary leishmaniasis (ATL) is one of the most important but neglected infectious diseases, and can cause severe deformities. ATL incidence remains high in forest regions, such as in the Amazonas State, Brazil. However, differences within the State and over time have been observed, since infection pattern...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Teles GDC,Fonseca FR,Gonçalves MJF

更新日期：2019-01-01 00:00:00

abstract：:A cross-sectional study was carried out among 996 volunteer blood donors enrolled from May 1999 to December 1999 to determine the seroprevalence of hepatitis E virus (HEV) infection among volunteer blood donors of the Regional Blood Bank of Londrina, State of Paraná, Brazil, and to evaluate whether the rate of seropre...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Bortoliero AL,Bonametti AM,Morimoto HK,Matsuo T,Reiche EM

更新日期：2006-03-01 00:00:00

abstract：INTRODUCTION:The majority of nosocomial fungal infections are caused by Candida spp. where C. albicans is the species most commonly identified. Molecular methods are important tools for assessing the origin of the yeasts isolated in hospitals. METHODS:This is a study on the genetic profiles of 39 nosocomial clinical i...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Bonfim-Mendonça Pde S,Fiorini A,Shinobu-Mesquita CS,Baeza LC,Fernandez MA,Svidzinski TI

更新日期：2013-11-01 00:00:00

abstract：:In view of the high circulation of migratory birds and the environmental and climatic conditions which favor the proliferation of arthropods, the Brazilian Pantanal is susceptible to circulation of arboviruses. However, the amount of data concerning arbovirus vectors in this area is scarce; therefore the aim of this s...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Pauvolid-Corrêa A,Tavares FN,Alencar J,Silva Jdos S,Murta M,Serra-Freire NM,Pellegrin AO,Gil-Santana H,Guimarães AE,Silva EE

更新日期：2010-01-01 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：: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 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：:Chagas disease and the leishmaniases are endemic zoonoses of great importance to public health in the state of Piauí, Brazil. The domestic dog (Canis familiaris) is a major reservoir, host of Trypanosoma cruzi and Leishmania spp. in both urban and rural areas, playing an important role in the transmission of these par...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Perez TD,Figueiredo FB,Junior AA,Silva VL,Madeira MF,Brazil RP,Coura JR

更新日期：2016-11-03 00:00:00

abstract：:Chlamydia trachomatis (CT) infection is often silent and can lead to long-term reproductive complications in women. In this study, we determined the prevalence of CT infection and possible associations between the presence of the infection and clinical-epidemiological variables in pregnant women attended at the Basic ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Azevedo MJN,Nunes SDS,Oliveira FG,Rocha DAP

更新日期：2019-02-14 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：:Identifying the true prevalence of human T-cell lymphotropic virus, mostly type 1 (HTLV-1), and the number of patients with HTLV-1-associated diseases, in addition to introducing HTLV-1/2 serology during the prenatal of pregnant women and in individuals infected with other viruses that share transmission routes with H...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Silva RXD,Campos KR,Caterino-de-Araujo A

更新日期：2020-01-01 00:00:00

abstract：:We present a case of prenatal diagnosis of congenital rubella. After birth, in addition to traditional serologic and clinical examinations to confirm the infection, we could identify the virus in the "first fluid aspirated from the oropharynx of the newborn", using polimerase chain reaction (PCR). We propose that this...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Pedreira DA,Haiek DB,Okay TS,Russo EM,Proença RS,Falcão MC,Zugaib M

更新日期：1997-11-01 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：:Four hundred and fifteen cases of bites by adult Bothrops jararaca (group A) were admitted to the Hospital Vital Brasil between 1981 and 1987. These cases were compared to 562 cases of bites by young snakes of the same species (group B) during the same period and at the same hospital. In group B blood incoagulability ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Ribeiro LA,Jorge MT

更新日期：1990-11-01 00:00:00

abstract：:A sedimentation technique is described, in which a fecal suspension is placed on top of an aqueous sucrose solution of specific gravity 1.015 g/cm3. Using 100 by 15 mm test tubes, duplicate gravity sedimentation experiments were made using homogenized fecal suspensions (single-columns) and fecal suspensions placed on ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Moitinho Mda L,Ferreira CS

更新日期：1992-05-01 00:00:00

abstract：Introduction::According to the guidelines, the viral load of 2,000 IU/mL is considered the level to differentiate between inactive carriers and HBeAg(-) chronic hepatitis B patients. Even so, liver damage may be present in patients with lower viral load levels, mainly related to regional variations. This study aims to ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Oliveira VO,Oliveira JP,França EV,Brito HL,Nascimento TV,França A

更新日期：2016-09-22 00:00:00

abstract：:Abdominal angiostrongyliasis is a parasitic disease caused by Angiostrongylus costaricensis, a metastrongylid nematode with wide geographic distribution, occurring from the United States to Argentina. In Brazil, the disease has been reported from the States of Rio Grande do Sul, Santa Catarina, Paraná, São Paulo, Fede...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Pena GP,Andrade Filho J,de Assis SC

更新日期：1995-07-01 00:00:00

abstract：:The aim of this study was to evaluate the concordance between two versions of the scoring system (2011 and 2019), recommended by the Brazilian Ministry of Health, for the diagnosis of pulmonary tuberculosis (PTB) in children and adolescents. A retrospective descriptive study was performed to assess the medical records...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Carvalho RF,Carvalho ACC,Velarde LGC,Rossoni AMO,Aurilio RB,Sias SMA,Schmidt CM,Moreira ADSR,Martins PDS,Gonçalves LI,Martire TM,Barbosa APF,Santos APQD,Romanelli RMC,Oliveira MDGR,Diniz LMO,Carvalho AL,Lucena SC,Cruz

更新日期：2020-10-30 00:00:00

abstract：:In order to study the chemoresistance of Plasmodium falciparum to commonly used antimalarial drugs in Brazil the authors have studied ten patients with falciparum malaria, acquired in the Brazilian Amazon region. Patients were submitted to in vivo study of drug sensitivity, after chemotherapy with either 4-aminoquinol...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Segurado AA,di Santi SM,Shiroma M

更新日期：1997-03-01 00:00:00

abstract：:Lutzomyia verrucarum (Townsend, 1913) (Diptera: Psychodidae); the natural vector of Bartonella bacilliformis, agent of human bartonellosis (peruvian verruga or Carrion's disease), is a native species of Peru; its geographic distribution occurrs between latitudes 5 degrees and 13 degrees 25' South: in the Occidental an...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Caceres AG

更新日期：1993-11-01 00:00:00

abstract：:Systemic fungal infections are responsible for high mortality rates. Several species of fungi may be involved, but Candida spp. is the most prevalent. Simvastatin is used to lower cholesterol and also exhibits antifungal action. The aim of this study was to evaluate the synergistic action of simvastatin with fluconazo...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Menezes EA,Vasconcelos Júnior AA,Silva CL,Plutarco FX,Cunha Mda C,Cunha FA

更新日期：2012-08-01 00:00:00

abstract：:Immunosuppressed animals respond poorly to schistosomal chemotherapy and a proper response can be restored by the administration of immune serum. Present study attempts to search whether immunological stimulation would increase drug effectiveness. Swiss mice infected with 50 S. mansoni cercariae were later treated wit...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Silva LM,Andrade ZA

更新日期：1997-01-01 00:00:00

abstract：:We analyzed the sandflies around houses and domestic animal shelters located in residences close to forests in localities on the banks of the Araguari River, Uberlândia, MG, from February 2003 to November 2004. The phlebotomines were captured in the peridomiciliary area, where Shannon traps were utilized in the perido...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Paula MB,Souza AA,dos Reis AA,Limongi JE,Pajuaba Neto Ade A,Rodrigues Ede A

更新日期：2013-03-01 00:00:00

abstract：:The aim of this research was to monitor the presence of females of Aedes aegypti (Linnaeus, 1762) on the Seropédica municipality, Rio de Janeiro State, from 2010 to 2013. For this purpose, the Intelligent Dengue Monitoring (IM-Dengue) and Intelligent Virus Monitoring (IM-Virus) developed by Universidade Federal de Min...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Sanavria A,Silva CBD,Electo ÉH,Nogueira LCR,Thomé SMG,Angelo IDC,Vita GF,Sanavria TEC,Padua ED,Gaiotte DG

更新日期：2017-01-01 00:00:00

abstract：:The snail density, levels of infection and the monthly production of Schistosoma mansoni cercariae by Biomphalaria glabrata were determined in a focus of Barreiro de Baixo (Belo Horizonte, MG, Brazil). During a period of 38 months (1984 to 1987) 5,366 snails were collected of which 324 (6.03%) were infected with S. ma...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： de Souza CP,Araújo N,Jannotti-Passos LK,Guimarães CT

更新日期：1994-11-01 00:00:00

abstract：:A significant number of Brazilian gestational-age women are still not tested for HIV, representing a high risk of transmission to their newborns. The current study sought to identify the number of pregnant women with no previous testing or undocumented for HIV referred to the Gynecology and Obstetrics Department of a ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Prestes-Carneiro LE,Miguel NA,Ascêncio EL,Amâncio M,Alcântara VL,Portelinha-Filho JA

更新日期：2009-09-01 00:00:00

abstract：:The Mato Grosso do Sul State (MS) has the second-largest indigenous population and the highest incidence rates of TB among indigenous people in Brazil. However, little is known about the risk factors associated with active TB in indigenous people in the region, especially regarding socioeconomic factors. The aim of th...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Malacarne J,Kolte IV,Freitas LP,Orellana JDY,Souza MLP,Souza-Santos R,Basta PC

更新日期：2018-10-25 00:00:00

abstract：:The present study aims to detect the production of extended-spectrum beta-lactamases (ESBL) by enterobacteria isolated from samples of fresh shrimp and fish obtained from the retail trade of the city of Sobral, Ceará State, Brazil. All bacterial isolates were submitted to identification and antimicrobial susceptibilit...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Almeida MVA,Cangussú ÍM,Carvalho ALS,Brito ILP,Costa RA

更新日期：2017-11-06 00:00:00

abstract：:A series of already published and unpublished seroepidemiological surveys for toxoplasmosis, carried out in Chile in 1982-1994, is reviewed, expanded and analyzed. The surveys included 76,317 apparently healthy individuals of different ages (0.57% of the country's total population), from 309 urban and rural-periurban ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Contreras M,Schenone H,Salinas P,Sandoval L,Rojas A,Villarroel F,Solis F

更新日期：1996-11-01 00:00:00

abstract：:This clinical case presents a patient with a raised and ulcerative lesion with erythematous edges in the mouth, on the lower lip that was unsuccessfully treated as herpes labialis. Clinical data and laboratory tests (Montenegro skin test, indirect immunofluorescence, direct parasite search and polymerase chain reactio...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Oyama J,Ferreira FBP,Conter CC,Lera-Nonose DSSL,Ramos-Milaré ÁCFH,Venazzi EAS,Silveira TGV,Lonardoni MVC

更新日期：2018-01-01 00:00:00