Consulta: subjectFacets:"Real-time polymerase chain reaction"
Registros recuperados: 3
Data/hora: 10/06/2024 14:57:48

Molecular diagnosis of symptomatic toxoplasmosis: a 9-year retrospective and prospective study in a referral laboratory in São Paulo, Brazil
Provedor de dados: 55
Autores: Camilo,Lilian Muniz; Pereira-Chioccola,Vera Lucia; Gava,Ricardo; Meira-Strejevitch,Cristina da Silva; Vidal,Jose Ernesto; Mattos,Cinara Cássia Brandão de; Frederico,Fábio Batista; De Mattos,Luiz Carlos; Spegiorin,Lígia Cosentino Junqueira Franco; Murata,Fernando Henrique Antunes; Ferreira,Marina Neves; Barbosa,Deusenia Machado Ulisses; Gonçalves,Fausto da Silva; Dias,Cristiane Moraes; Catelan,Marcia Wakai; Siqueira,Rubens Camargo; Previato,Mariana; Barbosa,Amanda Pires; Cavallini,Danilo.
ABSTRACT Symptomatic forms of toxoplasmosis are a serious public health problem and occur in around 10-20% of the infected people. Aiming to improve the molecular diagnosis of symptomatic toxoplasmosis in Brazilian patients, this study evaluated the performance of real time PCR testing two primer sets (B1 and REP-529) in detecting Toxoplasma gondii DNA. The methodology was assayed in 807 clinical samples with known clinical diagnosis, ELISA, and conventional PCR results in a 9-year period. All samples were from patients with clinical suspicion of several features of toxoplasmosis. According to the minimum detection limit curve (in CT), REP-529 had greater sensitivity to detect T. gondii DNA than B1. Both primer sets were retrospectively evaluated using 515...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Toxoplasma gondii; Symptomatic toxoplasmosis; Diagnosis; Real-time polymerase chain reaction.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702017000600638

Polyomaviruses BK and JC DNA infection in peripheral blood cells from blood donors
Provedor de dados: 55
Autores: Haghighi,Malihe Fathi; Seyyedi,Noorossadat; Farhadi,Ali; Zare,Farahnaz; Kasraian,Leila; Dehbidi,Gholam Reza Refiei; Ranjbaran,Reza; Behzad-Behbahani,Abbas.
ABSTRACT  Objectives: To investigate the prevalence of human polyomavirus (BK and JC viruses) infection in peripheral blood mononuclear cells of healthy blood donors.  Methods: The study included 250 healthy blood donors. Five-milliliter blood was drawn into sterile EDTA tubes and PBMCs were isolated from whole blood. The isolated PBMCs were counted and stored at −70 °C for future investigation. DNA was extracted and subjected to simple, sensitive and specific semi-nested PCR as well as QPCR using both general and specific primers for different assays.  Results: Of 250 blood samples, 66 (26.4%) were positive for BKV DNA (146-34,514 copies/106 cells). JC DNA was found in 45 (18%) blood samples (65-21,250 copies/106 cells). Co-infection with these viruses...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Blood donors; Leukocytes; Mononuclear; Polyomavirus; Real-time polymerase chain reaction.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702019000100022

The consensus sequence of FAMLF alternative splice variants is overexpressed in undifferentiated hematopoietic cells
Provedor de dados: 56
Autores: Chen,W.L.; Luo,D.F.; Gao,C.; Ding,Y.; Wang,S.Y.
The familial acute myeloid leukemia related factor gene (FAMLF) was previously identified from a familial AML subtractive cDNA library and shown to undergo alternative splicing. This study used real-time quantitative PCR to investigate the expression of the FAMLF alternative-splicing transcript consensus sequence (FAMLF-CS) in peripheral blood mononuclear cells (PBMCs) from 119 patients with de novo acute leukemia (AL) and 104 healthy controls, as well as in CD34+ cells from 12 AL patients and 10 healthy donors. A 429-bp fragment from a novel splicing variant of FAMLF was obtained, and a 363-bp consensus sequence was targeted to quantify total FAMLF expression. Kruskal-Wallis, Nemenyi, Spearman's correlation, and Mann-Whitney U-tests were used to analyze...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: FAMLF; Gene expression; Leukemia; Real-time polymerase chain reaction; Alternative splicing.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2015000700603