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Development and Evaluation of a Serological Assay for the Diagnosis of Tuberculosis in Alpacas and Llamas

Overview of attention for article published in Frontiers in Veterinary Science, August 2018
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  • Above-average Attention Score compared to outputs of the same age and source (54th percentile)

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Title
Development and Evaluation of a Serological Assay for the Diagnosis of Tuberculosis in Alpacas and Llamas
Published in
Frontiers in Veterinary Science, August 2018
DOI 10.3389/fvets.2018.00189
Pubmed ID
Authors

Jose A. Infantes-Lorenzo, Claire E. Whitehead, Inmaculada Moreno, Javier Bezos, Alvaro Roy, Lucas Domínguez, Mercedes Domínguez, Francisco J. Salguero

Abstract

South American camelids are susceptible to tuberculosis, caused mainly by Mycobacterium bovis and M. microti. Despite the tuberculin skin test being the official test for tuberculosis, it has a very low sensitivity in these species (14-20%). Serological tests present the advantages of being rapid, easy to perform and facilitate analysis of large numbers of samples in a short period of time. Novel antigen discovery and evaluation would provide enhanced detection of specific antibodies against members of M. tuberculosis complex. Here, we describe the development and evaluation of an ELISA-type immunoassays to use in the diagnosis of tuberculosis in llamas and alpacas based on P22, a multiprotein complex obtained by affinity chromatography from bovine Purified Protein Derivative (bPPD), that showed high sensitivity and specificity in mice, cattle and goats. This work was performed in two stages. First, a preliminary panel of samples collected from tuberculosis-free (n = 396) and M. bovis-infected herds (n = 56) was assayed, obtaining high specificity (100%) and sensitivity ranging from 63 to 96%. Subsequently, the use of the serological assay was tested using samples from two herds suffering from clinical M. bovis (n = 88) and M. microti (n = 25) infection to evaluate the ability of the ELISA to detect infected animals. 11 out of 88 alpacas were positive to the ELISA in a M. bovis outbreak and 7 out of 25 in a M. microti outbreak. The P22 ELISA potentially provides a sensitive and specific platform for improved tuberculosis surveillance in camelids.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 28 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 28 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 5 18%
Researcher 4 14%
Professor 3 11%
Student > Postgraduate 3 11%
Student > Master 2 7%
Other 2 7%
Unknown 9 32%
Readers by discipline Count As %
Veterinary Science and Veterinary Medicine 6 21%
Agricultural and Biological Sciences 5 18%
Nursing and Health Professions 2 7%
Business, Management and Accounting 1 4%
Immunology and Microbiology 1 4%
Other 4 14%
Unknown 9 32%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 3. 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 29 August 2018.
All research outputs
#14,593,818
of 25,365,817 outputs
Outputs from Frontiers in Veterinary Science
#1,970
of 8,024 outputs
Outputs of similar age
#166,629
of 337,555 outputs
Outputs of similar age from Frontiers in Veterinary Science
#39
of 86 outputs
Altmetric has tracked 25,365,817 research outputs across all sources so far. This one is in the 41st percentile – i.e., 41% of other outputs scored the same or lower than it.
So far Altmetric has tracked 8,024 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 7.4. This one has gotten more attention than average, scoring higher than 74% 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 337,555 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 49th percentile – i.e., 49% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 86 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 54% of its contemporaries.