Search Results - "Umezawa, Eufrosina S."

Evaluation of Serological Tests To Identify Trypanosoma cruzi Infection in Humans and Determine Cross-Reactivity with Trypanosoma rangeli and Leishmania spp by Caballero, Zuleima C, Sousa, Octavio E, Marques, Waldelania P, Saez-Alquezar, Amadeo, Umezawa, Eufrosina S

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Chagas disease: Performance analysis of immunodiagnostic tests anti-Trypanosoma cruzi in blood donors with inconclusive screening results by Ferreira-Silva, Márcia M, Pereira, Gilberto de Araújo, Rodrigues-Júnior, Virmondes, Meira, Wendell Sf, Basques, Fernando V, Langhi-Júnior, Dante Mário, Romanelli, Marcelo, Umezawa, Eufrosina S, Késper-Júnior, Norival, Louzada-Neto, Francisco, Bordin, José O, Moraes-Souza, Helio

“…BACKGROUNDThe screening ofTrypanosoma cruzi-infected blood donors using two serological techniques frequently leads to conflicting results. This fact prompted…”
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Validation of a Rapid and Reliable Test for Diagnosis of Chagas' Disease by Detection of Trypanosoma cruzi-Specific Antibodies in Blood of Donors and Patients in Central America by Ponce, Carlos, Ponce, Elisa, Vinelli, Elizabeth, Montoya, Alberto, Aguilar, Vilma de, Gonzalez, Antonio, Zingales, Bianca, Rangel-Aldao, Rafael, Levin, Mariano J, Esfandiari, Javan, Umezawa, Eufrosina S, Luquetti, Alejandro O, da Silveira, José Franco

“…In this study we compared the performance of the Chagas Stat-Pak rapid immunochromatographic test with a standard enzyme-linked immunosorbent assay (ELISA) in…”
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Serodiagnosis of Chronic and Acute Chagas' Disease with Trypanosoma cruzi Recombinant Proteins: Results of a Collaborative Study in Six Latin American Countries by UMEZAWA, Eufrosina S, LUQUETTI, Alejandro O, DA SILVEIRA, José Franco, LEVITUS, Gabriela, PONCE, Carlos, PONCE, Elisa, HENRIQUEZ, Diana, REVOLLO, Susana, ESPINOZA, Bertha, SOUSA, Octavio, KHAN, Baldip

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New insights about cross-reactive epitopes of six trypanosomatid genera revealed that Crithidia and Leptomonas have antigenic similarity to L. (L.) chagasi by Ferreira, Leandro Rodrigues, Kesper, Norival, Teixeira, Marta M.G., Laurenti, Marcia Dalastra, Barbieri, C.L., Lindoso, José Angelo, Umezawa, Eufrosina S.

“…Human VL samples with Abs492nm<0.99 to L. (L.) chagasi (A1) showed significant high titer with C. fasciculata, C. luciliae and L. seymouri, while VL…”
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Predominance of lineage I among Trypanosoma cruzi isolates from Venezuelan patients with different clinical profiles of acute Chagas’ disease by Añez, Nestor, Crisante, Gladys, Silva, Flavia Maia da, Rojas, Agustina, Carrasco, Hugo, Umezawa, Eufrosina S., Stolf, Anna Maria S., Ramírez, Jose Luis, Teixeira, Marta M. G.

“…Summary Trypanosoma cruzi isolates from 23 acute chagasic patients from localities of Western Venezuela (state of Barinas) where Chagas’ disease is endemic…”
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Biological parameters and molecular markers of clone CL Brener - the reference organism of the Trypanosoma cruzi Genome Project by Zingales, B, Pereira, M E, Almeida, K A, Umezawa, E S, Nehme, N S, Oliveira, R P, Macedo, A, Souto, R P

“…Clone CL Brener is the reference organism used in the Trypanosoma cruzi Genome Project. Some biological parameters of CL Brener were determined: (a) the…”
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Profile of Trypanosoma cruzi Reactivity in a Population at High Risk for Endemic Pemphigus Foliaceus (Fogo Selvagem) by SOUSA, Joaquim X, DIAZ, Luis A, UMEZAWA, Eufrosina S, RIVITTI, Evandro A, AOKI, Valeria, EATON, Donald P, HANS-FILHO, Günter, DE FREITAS, Elder Lanzani, DELGADO, Livia, ICHIMURA, Ligia Maria F, CRISTALDI, Flávia, ORLANDI, Renata, KESPER, Norival

“…Fogo selvagem (FS) is an autoimmune bullous disease with pathogenic IgG autoantibodies recognizing desmoglein 1 (Dsg1), a desmosomal glycoprotein. In certain…”
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An improved serodiagnostic test for Chagas' disease employing a mixture of Trypanosoma cruzi recombinant antigens by Umezawa, Eufrosina S., Bastos, Sueli F., Coura, Jose R., Levin, Mariano J., Gonzalez, Antonio, Rangel-Aldao, Rafael, Zingales, Bianca, Luquetti, Alejandro O., Da Silveira, Jose Franco

“…BACKGROUND : Blood transfusion is one of the most important transmission routes of Chagas' disease, a major parasitic infection in Latin America. Therefore,…”
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Chagas’ disease diagnosis: a multicentric evaluation of Chagas Stat-Pak, a rapid immunochromatographic assay with recombinant proteins of Trypanosoma cruzi by Luquetti, Alejandro O., Ponce, Carlos, Ponce, Elisa, Esfandiari, Javan, Schijman, Alejandro, Revollo, Susana, Añez, Nestor, Zingales, Bianca, Ramgel-Aldao, Rafael, Gonzalez, Antonio, Levin, Mariano J., Umezawa, Eufrosina S., Franco da Silveira, José

“…A rapid serologic test for diagnosis of T. cruzi infection (Chagas Stat Pak) was developed using recombinant proteins in an immunochromatographic assay. This…”
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Short communication: Trypanosoma cruzi lineage I in endomyocardial biopsy from a north‐eastern Brazilian patient at end‐stage chronic chagasic cardiomyopathy by Teixeira, Marta M. G., Silva, Flávia Maia, Marcili, Arlei, Umezawa, Eufrosina S, Shikanai‐Yasuda, Maria A, Cunha‐Neto, Edécio, Kalil, Jorge, Stolf, Noedir, Stolf, Anna Maria S

“…Summary Trypanosoma cruzi, the agent of Chagas disease, is genetically classified into two major evolutionary lineages, T. cruzi I and T. cruzi II. In Southern…”
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The Syrian hamster as a model for the dilated cardiomyopathy of Chagas’ disease: a quantitative echocardiographical and histopathological analysis by Bilate, Angelina M.B, Salemi, Vera M.C, Ramires, Felix J.A, de Brito, Thales, Silva, Ana M, Umezawa, Eufrosina S, Mady, Charles, Kalil, Jorge, Cunha-Neto, Edecio

“…Chronic Chagas’ disease cardiomyopathy (CCC) is caused by the protozoan Trypanosoma cruzi, and it affects 30% of the 16–18 million people infected in Latin…”
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Evaluation of Recombinant Antigens for Serodiagnosis of Chagas’ Disease in South and Central America by UMEZAWA, E. S, BASTOS, S. F, DA SILVEIRA, J. F, CAMARGO, M. E, YAMAUCHI, L. M, SANTOS, M. R, GONZALEZ, A, ZINGALES, B, LEVIN, M. J, SOUSA, O, RANGEL-ALDAO, R

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Chagas' disease by Umezawa, Eufrosina S, Stolf, Anna Maria Simonsen, Corbett, Carlos EP, Shikanai-Yasuda, Maria Aparecida

“…Carlos Ribeiro Justiniano Chagas (figure 2) was born on July 9, 1879, his father died when he was only 4 years old. It was his uncle's influence which led to…”
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Trypanosoma cruzi defined antigens in the serological evaluation of an outbreak of acute Chagas disease in Brazil (Catolé do Rocha, Paraíba) by Umezawa, E S, Shikanai-Yasuda, M A, Gruber, A, Pereira-Chioccola, V L, Zingales, B

“…Immunoglobulin G and M humoral response to recombinant protein B13 and glycoconjugate LPPG Trypanosoma cruzi defined antigens was evaluated by ELISA in 18…”
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Enzyme-linked immunosorbent assay with Trypanosoma cruzi excreted-secreted antigens (TESA-ELISA) for serodiagnosis of acute and chronic Chagas’ disease by Umezawa, Eufrosina S., Nascimento, Marilda S., Stolf, Anna Maria S.

“…In the present report we describe the use of Trypomastigote Excreted-Secreted Antigens (TESA) as antigen in ELISA for Chagas’ disease serodiagnosis. The study…”
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Trypanosoma cruzi: Isolation of an immunodominant peptide of TESA (trypomastigote excreted-secreted antigens) by gene cloning by Matsumoto, Tokiko K, Cotrim, Paulo C, da Silveira, José Franco, Stolf, Anna Maria S, Umezawa, Eufrosina S

“…Trypomastigote forms of Trypanosoma cruzi excrete-secrete several molecules, which are immunodominant during the human infection. This complex antigenic…”
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Trypanosoma cruzi genome project: biological characteristics and molecular typing of clone CL Brener by Zingales, Bianca, Pereira, Maria Elizabeth S., Oliveira, Riva P., Almeida, Katia A., Umezawa, Eufrosina S., Souto, Ricardo P., Vargas, Nancy, Cano, Maria Isabel, da Silveira, José Franco, Nehme, Nédia S., Morel, Carlos M., Brener, Zigman, Macedo, Andrea

“…Clone CL Brener is the reference organism used in the Trypanosoma cruzi Genome Project. CL Brener was obtained by cloning procedures from bloodstream…”
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Immunoblot Analysis of Trypomastigote Excreted–Secreted Antigens as a Tool for the Characterization of Trypanosoma cruzi Strains and Isolates by Kesper, Norival, de Almeida, Katia A, Stolf, Anna Maria S, Umezawa, Eufrosina S

“…An analysis of antibody recognition of Trypanosoma cruzi exoantigens by immunoblotting revealed a unique banding pattern that seems to be characteristic of…”
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ALTERATIONS OF THE MICROCIRCULATORY NETWORK DURING THE CLEARANCE OF EPIMASTIGOTE FORMS OF TRYPANOSOMA CRUZI: AN INTRAVITAL MICROSCOPIC STUDY by Umekita, Lilia F, Lopes-Ferreira, Mônica, Fontes Piazza, Roxane M, Umezawa, Eufrosina S, Nascimento, Marilda S, Poliselli Farsky, Sandra H, Mota, Ivan

“…The distribution of epimastigote forms of Trypanosoma cruzi in the microcirculatory network and the vessel alterations were observed using an intravital…”
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