Resumen Se presenta el caso de una niña de 8 años, procedente de la Amazonia peruana, con una presentación atípica de una toxocariasis. El cuadro clínico, de un mes de evolución, fue caracterizado por dolor abdominal crónico, palidez y geofagia, asociado a una masa abdominal y linfoadenopatías ge...
ABSTRACT Strongyloidiasis is a helminthiasis of neglected condition that has no gold standard parasitological diagnosis due to the intermittent release of larvae in feces. This study aimed to use an scFv (single chain variable fragment) obtained by Phage Display, previously validated to detect immune com...
Abstract Introduction Day care centers play an important social role in children's early education and development. The objective of this study was to investigate the frequency of intestinal parasitic infections and infection with Toxocara spp. in children from a day care center in the city of Rio Grand...
Abstract INTRODUCTION: Brazil's southernmost state, Rio Grande do Sul (RGS), was considered schistosomiasis-free until 1998 when a low endemic focus was identified in Esteio, a city located next to the capital of RGS. In the last two decades, the control interventions applied in the region have been ap...
Barbosa, Tatiane Alves;
Thiengo, Silvana Carvalho;
Fernandez, Monica Ammon;
Graeff-Teixeira, Carlos;
Morassutti, Alessandra Loureiro;
Mourão, Fábio Rodrigo Paixão;
Miranda, Clóvis Omar Sá;
Jorge, Michel de Moraes;
Costa, Liliane Freitas;
Gomes, Suzete Rodrigues.
In January and February 2019, a malacological survey was conducted in the area surrounding the residence of a 12-year-old child that had contracted cerebral angiostrongyliasis in the municipality of Macapá, capital of the Amapá State, northern Brazil. The serological examination was positive for Angios...
Abstract In experimental autoimmune hepatitis (EAH) of Th1 profile, an extract of adult Ascaris suum worms (ASC) was previously found to deviate the immune response to a Th2/IL-10 pattern. Here, the effects of treatment with ASC on production of TGF-β and the anti-Ascaris isotypes IgG1 and IgG2a in ...
Toledo, Beatriz;
Corral, Marcelo A;
Meisel, Dirce Mary C L;
Gottardi, Maiara;
Abdala, Edson;
Costa, Silvia F;
Pierrotti, Lígia Camera;
Lescano, Susana A Z;
Gonçalves, Elenice M N;
Castilho, Vera L P;
Chieffi, Pedro P;
Gryschek, Ronaldo C B;
Paula, Fabiana M.
OBJECTIVES: Hyperinfection or disseminated strongyloidiasis has been frequently reported after transplants and is related to high mortality. This study aimed to screen for strongyloidiasis using serological diagnoses in transplant candidates. METHODS: An ELISA test was performed with filariform larvae o...
Anticuerpos Antihelmínticos/sangre,
Antígenos Helmínticos/inmunología,
Antígenos Helmínticos/aislamiento & purificación,
Biomarcadores/sangre,
Ensayo de Inmunoadsorción Enzimática,
Huésped Inmunocomprometido,
Inmunoglobulina G/sangre,
Tamizaje Masivo,
Trasplante de Órganos,
Sensibilidad y Especificidad,
Strongyloides stercoralis/inmunología,
Estrongiloidiasis/diagnóstico,
Estrongiloidiasis/parasitología
Abstract INTRODUCTION: High percentages of structural identity and cross-immunoreactivity have been reported between potato apyrase and Schistosoma mansoni ATP diphosphohydrolase (SmATPDases) isoforms, showing the existence of particular epitopes shared between these proteins. METHODS: Potato apyrase...
Anticuerpos Antihelmínticos/inmunología,
Apirasa/inmunología,
Western Blotting,
Reacciones Cruzadas,
Ensayo de Inmunoadsorción Enzimática,
Epítopos/inmunología,
Inmunoglobulina E/inmunología,
Ratones Endogámicos C57BL,
Schistosoma mansoni/inmunología,
Esquistosomiasis mansoni/inmunología,
Solanum tuberosum/enzimología
Santos, João Hugo Abdalla;
Bührer-Sékula, Samira;
Melo, Gisely Cardoso;
Cordeiro-Santos, Marcelo;
Pimentel, João Paulo Diniz;
Gomes-Silva, Adriano;
Costa, Allyson Guimarães;
Saraceni, Valeria;
Da-Cruz, Alda Maria;
Lacerda, Marcus Vinícius Guimarães.
Abstract INTRODUCTION: Immunological control of Mycobacterium tuberculosis infection is dependent on the cellular immune response, mediated predominantly by Th1 type CD4+ T cells. Polarization of the immune response to Th2 can inhibit the host immune protection against pathogens. Patients with tubercul...
Anticuerpos Antihelmínticos/sangre,
Ascariasis/complicaciones,
Ascariasis/inmunología,
Ascaris lumbricoides,
Estudios de Casos y Controles,
Coinfección,
Citocinas/sangre,
Citocinas/inmunología,
Progresión de la Enfermedad,
Citometría de Flujo,
Interleucina-6/sangre,
Interleucina-6/inmunología,
Persona de Mediana Edad,
Factores de Tiempo,
Tuberculosis Pulmonar/complicaciones,
Tuberculosis Pulmonar/inmunología
Abstract INTRODUCTION: In most Strongyloides stercoralis infected individuals, nematoidosis occurs asymptomatically, but in immunocompromised patients, it can cause hyperinfection. Serological techniques seem to be a good alternative for detecting this parasite. METHODS The frequency of seropositivit...
