Abstract:
:Mice previously infected with Schistosoma mansoni, and cured by specific treatment (400mg/kg oxamniquine, p.o.) in the chronic phase of the disease, were reinfected 20 days after treatment to assess their capacity for modulation of the granulomatous response. Histopathologic examination of the animals' liver, at 60 days after reinfection, evidenced the presence of typical granulomas of the chronic phase in most animals. This infer that the capacity for modulation of the granulomatous response had been maintained, thus preventing a new acute phase of the disease. Conversely, a group of previously infected mice, untreated and submitted to reinfection, showed reactivation of the granulomatous response in 50% of the animals. The possible implications of these findings in human schistosomiasis mansoni are discussed.
journal_name
Rev Soc Bras Med Tropjournal_title
Revista da Sociedade Brasileira de Medicina Tropicalauthors
Coelho PM,Raso P,de Mello RT,Toppa NHdoi
10.1590/s0037-86821994000300001subject
Has Abstractpub_date
1994-07-01 00:00:00pages
119-25issue
3eissn
0037-8682issn
1678-9849journal_volume
27pub_type
杂志文章abstract:INTRODUCTION:The aim of this study was to evaluate some virulence factors in Candida albicans isolates from patients with onychomycosis and determine the correlation between these factors and the antifungal resistance profile. METHODS:Seventy species of C. albicans were confirmed using polymerase chain reaction amplif...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/0037-8682-0214-2019
更新日期:2020-02-07 00:00:00
abstract::This study had the aim of evaluating the effects of intra and interspecies larval competition between Aedes aegypti and Aedes albopictus, survival of larvae time taken to develop and wing length. The experiment was carried out with three densities and five proportions of the species. Aedes aegypti survival was greater...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86822008000500009
更新日期:2008-09-01 00:00:00
abstract::This study evaluated the performance of single and combined laboratory parameters, B-lymphocyte percentages (%LB), T/B cell ratio and %CD8+HLA-DR+/CD8+, to differentiate asymptomatic cases (AS) from HAM/TSP patients (HT) within a population of HTLV-1 seropositive cases. Percentage indices demonstrated that each parame...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86822007000100006
更新日期:2007-01-01 00:00:00
abstract::Leishmaniasis is a typical parasite infection whose protective immunity depends on macrophage activation. Susceptibility to Leishmania donovani infection was compared in H (high antibody responder) and L (low antibody responder) mice from selection IV-A. H mice infected intravenously with 10(7) amastigotes of L. donov...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86821999000300002
更新日期:1999-05-01 00:00:00
abstract:INTRODUCTION:This communication reports the first occurrence of Panstrongylus lignarius in the State of Acre, Brazil. METHODS:A specimen of P. lignarius was collected from a residence in a rural area of the municipality of Rio Branco, Acre, Western Amazon. RESULTS:This new report of P. lignarius extends the distribut...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/0037-8682-0307-2018
更新日期:2019-03-18 00:00:00
abstract::In this study, the larvicidal activity of dried leaf extracts from Pinus caribaea Morelet against Aedes aegypti was evaluated for the first time. Pinus caribaea extracts were obtained by macerating dried leaves in alkaline hydroethanol, ethanol and acetone solutions followed by evaporation under reduced pressure. The ...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86822009000400003
更新日期:2009-07-01 00:00:00
abstract::The authors evaluated clinical and epidemiological differences among the serotypes of dengue in Rio de Janeiro's 2001-2002 outbreak of the disease. Out of 362 cases that had viral isolation samples, notified by the Information System for Notification Diseases (SINAN), from January/2001 to June/2002, 62 were caused by ...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86822004000400001
更新日期:2004-07-01 00:00:00
abstract::For antistreptolysin "O" and C-reactive protein determination, carried out in Laranjal-PR, we analyzed the serum of 411 school children aged from 5 to 16. For antistreptolysin O, 13.6% had elevated titers and 5.1% were reactive for C-reactive protein. No differences related to age or sex were observed. ...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86822005000100015
更新日期:2005-01-01 00:00:00
abstract::Vectorial, transfusion and congenital are considered the main transmission mechanisms in human Chagas disease. Alternative mechanisms are accidental, oral and by organ transplantation. Other hypothetic mechanisms could be by other vectors, sexual, criminal and by means of marsupial anal secretions. The present accorde...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86822011000800011
更新日期:2011-01-01 00:00:00
abstract:INTRODUCTION:Zoonotic kala-azar, a lethal disease caused by protozoa of the genus Leishmania is considered out of control in parts of the world, particularly in Brazil, where transmission has spread to cities throughout most of the territory and mortality presents an increasing trend. Although a highly debatable measur...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章,评审
doi:10.1590/s0037-86822011005000014
更新日期:2011-03-01 00:00:00
abstract:INTRODUCTION:Mozambique is one of three countries with high prevalence of tuberculosis (TB), TB/human immunodeficiency virus coinfection, and multidrug-resistant TB. We aimed to describe Mycobacterium tuberculosis spoligotypes circulating among drug resistant (DR) strains from Beira, Mozambique comparing them with geno...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/0037-8682-0257-2019
更新日期:2019-11-25 00:00:00
abstract::In order to investigate the pathogenicity of the virus strain GOI 4191 that was isolated from a fatal adverse event after yellow fever virus (YFV) vaccination, an experimental assay using hamsters (Mesocricetus auratus) as animal model and YFV 17DD vaccine strain as virus reference was accomplished. The two virus stra...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86822004000700011
更新日期:2004-01-01 00:00:00
abstract::Serum samples were obtained from 208 individuals in Londrina, Paraná, Brazil. The serum were analysed for leptospiral agglutinins by agglutination microscopic tests and 28.4% were positive. The highest positivity was found for the serum of garbage collector (46.7%). ...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86821992000400007
更新日期:1992-10-01 00:00:00
abstract:INTRODUCTION:The etiology of several hepatocellular carcinoma (HCC) cases remains largely unknown. Although Fasciola hepatica has been associated with liver fibrosis in Latin America, it has not yet been associated with HCC. This study aimed to determine the existence of specific IgG antibodies against F. hepatica in t...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/0037-8682-0180-2017
更新日期:2018-03-01 00:00:00
abstract::Male Indian buffalo (Bubalus bubalis) calves were submitted to Schistosoma mansoni infection by percutaneous, oral and subcutaneous routes. No worms or eggs were found in four of the animals tested. Bubalus bubalis appears to be refractory for S. mansoni. ...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86821989000300008
更新日期:1989-07-01 00:00:00
abstract:INTRODUCTION:Chagas disease is caused by Trypanosoma cruzi. Wild and perianthropic mammals maintain the infection/transmission cycle, both in their natural habitat and in the peridomestic area. The aim of this paper was to present the results from a study on wild rodents in the central and northern regions of San Luis ...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86822010000300007
更新日期:2010-05-01 00:00:00
abstract::In 30 patients with foliaceus pemphigus the frequency of strongyloidiasis was 40%, by three Baermann-Moraes examination. In the "Hospital do Pênfigo", for patients with pemphigus of Uberaba, the frequencies of strongyloidiasis in the employees (n = 14) and students (n = 47), of the annexed nursery, also were high, res...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86821991000300004
更新日期:1991-07-01 00:00:00
abstract::Mucocutaneous leishmaniasis (MCL) is a chronic infection that can affect the skin and mucous membranes. We report a case of oral, nasopharyngeal, and penile lesions in a 35-year-old cocaine user. The patient presented with ulcerated lesions in 2014. Histopathologic analysis revealed amastigotes, and serological test r...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type:
doi:10.1590/0037-8682-0040-2020
更新日期:2020-06-22 00:00:00
abstract:INTRODUCTION: :Bottlenecks still exist during human immunodeficiency virus care that may delay the achievement of better outcomes. METHODS: :We established a monitoring system to trace patients throughout the human immunodeficiency virus/acquired immunodeficiency syndrome care process in Juiz de Fora, Brazil, to ident...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/0037-8682-0286-2016
更新日期:2017-03-01 00:00:00
abstract::Aedes aegypti (L) (Diptera: Culicidae) was reared in several concentrations of diflubenzuron and methoprene under laboratory conditions in Uberlândia, State of Minas Gerais, southeastern Brazil. Characteristics such as LC50 and LC95, the susceptibility of immature stages of different ages to these insect growth regula...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86822007000600002
更新日期:2007-11-01 00:00:00
abstract::The polypeptides of 46 and 58 kDa were recognized in different T. cruzi strains (Y, WSL and Colombiana) by serum of all chagasic patients studied. These polypeptides were isolated from T. cruzi Y strain and used in ELISA. The sensitivity and specificity were 97.6% [CI 95%: 86-100%] and 100% [CI 95%: 89.3-100%], respec...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86822000000400006
更新日期:2000-07-01 00:00:00
abstract:INTRODUCTION::We evaluated the associations between interleukin-10 (IL-10) gene polymorphisms -G1082A/-C819T/-C592A and periportal fibrosis regression after specific treatment for schistosomiasis. METHODS::This retrospective cohort study involved 125 Brazilian patients infected with Schistosomiasis mansoni, who were f...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/0037-8682-0141-2016
更新日期:2016-11-01 00:00:00
abstract:INTRODUCTION:This study evaluated the performance of an in-house nested-PCR system for the detection of the Mycobacterium tuberculosis complex in pleural fluid, blood and urine samples from pleural effusion tuberculosis patients by health services physicians in Pernambuco, Brazil. METHODS:A prospective double-blind st...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/0037-8682-0127-2013
更新日期:2013-09-01 00:00:00
abstract::The present study was effected aiming the verification of the seasonal, spatial and hourly of the phlebotominic species found in the county of Itupeva. Captures were performed fortnightly and 864 sand flies were collected between april/94 and march/95. 81.3% of the captured specimens belonged to 4 species: L. migonei ...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86821998000400002
更新日期:1998-07-01 00:00:00
abstract::With the aim of evaluating the cardiac autonomic function in elderly chagasic patients living in an endemic area, we evaluated, by using computadorized heart rate variability, 28 elderly chagasic with the indeterminate form, 28 elderly non chagasic and 28 young healthy control. In all patients we performed conventiona...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:
更新日期:2003-11-01 00:00:00
abstract::In the State of Amazonas, Brazil, urban expansion together with precarious basic sanitation conditions and human settlement on river banks has contributed to the persistence of waterborne and intestinal parasitic diseases. Time series of the recorded cases of cholera, typhoid fever, hepatitis A and leptospirosis are d...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章,评审
doi:10.1590/0037-8682-0162-2014
更新日期:2015-01-01 00:00:00
abstract:INTRODUCTION:from an epidemiological point of view, more than 120 species of triatomine (Hemiptera, Reduviidae) are known. The occurrence and positivity for Trypanosoma cruzi in triatomines in 16 municipalities of the Triângulo Mineiro and Alto Paranaíba were evaluated from January 2002 to December 2004. METHODS:the t...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86822010000100003
更新日期:2010-01-01 00:00:00
abstract::This study sought for evidence of previous CMV infection in patients of a general hospital serving the low income population of Rio de Janeiro. An enzyme immunoassay was used to detect anti-CMV antibodies in 713 typical hospital patients classified into eight different groups. Positive tests were found in 87% of pregn...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86821995000200003
更新日期:1995-04-01 00:00:00
abstract::Fourteen, 30 and 104 cases of American tegumentary leishmaniasis were recorded respectively, in 1993, 1994 and 1995, in the coast region of São Paulo State. Aiming to characterize the fauna and seasonal and hourly distributions of the phlebotominic species, adult specimens were captured fortnightly between November/95...
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:
更新日期:2002-09-01 00:00:00
abstract::In this work we quantified various growth factors in the myocardium of 19 patients with chronic chagasic cardiomyopathy and heart failure, through the immunoperoxidase technique. We looked for T. cruzi antigens, growth factors (GM-CSF, TGF-beta1, PDGF-A and PDGF-B) and inflammatory cells (CD4+, CD8+, CD20+ and CD68+)....
journal_title:Revista da Sociedade Brasileira de Medicina Tropical
pub_type: 杂志文章
doi:10.1590/s0037-86822000000600001
更新日期:2000-11-01 00:00:00