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Evaluation of a recombinant rhoptry protein 2 enzyme-linked immunoassay for the diagnosis of toxoplasmosis acquired during pregnancy

Overview of attention for article published in Memórias do Instituto Oswaldo Cruz, September 2015
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Title
Evaluation of a recombinant rhoptry protein 2 enzyme-linked immunoassay for the diagnosis of toxoplasmosis acquired during pregnancy
Published in
Memórias do Instituto Oswaldo Cruz, September 2015
DOI 10.1590/0074-02760150069
Pubmed ID
Authors

Jaqueline Dario Capobiango, Sthefany Pagliari, Aline Kuhn Sbruzzi Pasquali, Beatriz Nino, Fernanda Pinto Ferreira, Thaís Cabral Monica, Nely Norder Tschurtschenthaler, Italmar Teodorico Navarro, João Luis Garcia, Regina Mitsuka-Breganó, Edna Maria Vissoci Reiche

Abstract

The aim of this study was to evaluate an enzyme-linked immunoassay with recombinant rhoptry protein 2 (ELISA-rROP2) for its ability to detectToxoplasma gondii ROP2-specific IgG in samples from pregnant women. The study included 236 samples that were divided into groups according to serological screening profiles for toxoplasmosis: unexposed (n = 65), probable acute infection (n = 48), possible acute infection (n = 58) and exposed to the parasite (n = 65). When an indirect immunofluorescence assay forT. gondii-specific IgG was considered as a reference test, the ELISA-rROP2 had a sensitivity of 61.8%, specificity of 62.8%, predictive positive value of 76.6% and predictive negative value of 45.4% (p = 0.0002). The ELISA-rROP2 reacted with 62.5% of the samples from pregnant women with probable acute infection and 40% of the samples from pregnant women with previous exposure (p = 0.0180). Seropositivity was observed in 50/57 (87.7%) pregnant women with possible infection. The results underscored that T. gondii rROP2 is recognised by specific IgG antibodies in both the acute and chronic phases of toxoplasmosis acquired during pregnancy. However, the sensitivity of the ELISA-rROP2 was higher in the pregnant women with probable and possible acute infections and IgM reactivity.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 32 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 32 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 8 25%
Student > Bachelor 6 19%
Researcher 5 16%
Student > Ph. D. Student 5 16%
Professor 2 6%
Other 5 16%
Unknown 1 3%
Readers by discipline Count As %
Medicine and Dentistry 9 28%
Veterinary Science and Veterinary Medicine 4 13%
Immunology and Microbiology 4 13%
Agricultural and Biological Sciences 3 9%
Biochemistry, Genetics and Molecular Biology 1 3%
Other 5 16%
Unknown 6 19%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 31 October 2015.
All research outputs
#22,759,802
of 25,374,917 outputs
Outputs from Memórias do Instituto Oswaldo Cruz
#1,299
of 1,502 outputs
Outputs of similar age
#237,474
of 276,789 outputs
Outputs of similar age from Memórias do Instituto Oswaldo Cruz
#10
of 17 outputs
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So far Altmetric has tracked 1,502 research outputs from this source. They receive a mean Attention Score of 4.6. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 17 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.