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Serological tests for gambiense human African trypanosomiasis detect antibodies in cattle

Overview of attention for article published in Parasites & Vectors, November 2017
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  • Good Attention Score compared to outputs of the same age (69th percentile)
  • Good Attention Score compared to outputs of the same age and source (71st percentile)

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Title
Serological tests for gambiense human African trypanosomiasis detect antibodies in cattle
Published in
Parasites & Vectors, November 2017
DOI 10.1186/s13071-017-2487-8
Pubmed ID
Authors

Enock Matovu, Annah Kitibwa, Albert Picado, Sylvain Biéler, Paul R. Bessell, Joseph Mathu Ndung’u

Abstract

Serological tests for gambiense human African trypanosomiasis (gHAT) detect antibodies to antigens on the cell surface of bloodstream trypanosomes. As trypanosomes that cause animal African trypanosomiasis (AAT) also express related antigens, we have evaluated two rapid diagnostic tests (RDTs) on cattle in trypanosomiasis endemic and non-endemic regions, to determine whether gHAT serological tests could also be used to screen for AAT. Two RDTs, 1G RDT, made with native antigens, and p2G RDT, made with recombinant antigens, were tested on 121 cattle in a trypanosomiasis-free region, and on 312 cattle from a rhodesiense HAT and AAT endemic region. A subset of samples from the endemic region were also tested with two immune trypanolysis (TL) tests. The sensitivity of the tests was estimated by evaluating the result of the RDT on samples that were positive by both microscopy and internal transcribed spacer (ITS) PCR, whilst specificity was the result of the RDT on samples that were negative by ITS PCR and microscopy, and others from the non-endemic region. The specificity of the p2G RDT on cattle from the non-endemic region was 97.5% (95% CI: 93.0-99.2%), compared to only 57.9% (95% CI: 48.9-66.3%) for 1G RDT. The specificities of 1G RDT, p2G RDT and TL on endemic control cattle were 14.6% (95% CI: 9.7-21.5%), 22.6% (95% CI: 16.4-30.3%) and 68.3% (95% CI: 59.6-75.9%), respectively. The sensitivities of the tests on trypanosome positive samples were 85.1% (95% CI: 79.1-89.7%), 89.1% (95% CI: 83.7-93.0%) and 59.3% (95% CI: 51.8-66.4%), respectively. Among the same samples, 51.7% were positive by both TL and the 1G RDT. These serological tests detect cross-reacting antibodies in cattle. The p2G RDT based on recombinant antigens had a high specificity in a non-endemic region, while the 1G RDT had a lower specificity, suggesting cross-reactivity with other pathogens.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 38 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 38 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 5 13%
Student > Master 5 13%
Researcher 4 11%
Student > Postgraduate 4 11%
Student > Bachelor 3 8%
Other 4 11%
Unknown 13 34%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 6 16%
Medicine and Dentistry 6 16%
Agricultural and Biological Sciences 5 13%
Veterinary Science and Veterinary Medicine 3 8%
Immunology and Microbiology 2 5%
Other 1 3%
Unknown 15 39%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 5. 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 05 November 2017.
All research outputs
#6,919,478
of 25,506,250 outputs
Outputs from Parasites & Vectors
#1,450
of 6,025 outputs
Outputs of similar age
#104,637
of 341,058 outputs
Outputs of similar age from Parasites & Vectors
#46
of 163 outputs
Altmetric has tracked 25,506,250 research outputs across all sources so far. This one has received more attention than most of these and is in the 72nd percentile.
So far Altmetric has tracked 6,025 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.1. This one has done well, scoring higher than 75% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 341,058 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 69% of its contemporaries.
We're also able to compare this research output to 163 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 71% of its contemporaries.