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Sheep polyclonal antibody to map Haemonchus contortus mimotopes using phage display library

Overview of attention for article published in Revista Brasileira de Parasitologia Veterinária, May 2018
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Title
Sheep polyclonal antibody to map Haemonchus contortus mimotopes using phage display library
Published in
Revista Brasileira de Parasitologia Veterinária, May 2018
DOI 10.1590/s1984-296120180023
Pubmed ID
Authors

Andréia Buzatti, Arnielis Diaz Fernandez, Amilcar Arenal, Erlán Pereira, Alda Lucia Gomes Monteiro, Marcelo Beltrão Molento

Abstract

The aim of this study was to evaluate phage display technology for mapping Haemonchus contortus mimotopes. We screened the PhD-7 Phage Display Peptide Library Kit with a sheep polyclonal antibody against H. contortus. After four rounds of selection, 50 phage peptide clones were selected by biopanning and sequenced. Two clones displaying peptide mimotopes of H. contortus proteins were chosen for sheep immunization: clone 6 - mimotope of glyceraldehyde-3-phosphate dehydrogenase (GAPDH) and clone 17 - mimotope of a disorganized muscle family member (Dim 1). Twelve sheep were allocated into 3 groups of 4 animals as follow: G1: control group; G2/GAPDH: immunized with clone 6; and G3/Dim1: immunized with clone 17. Four immunizations were performed at intervals of seven days (0, 7, 14, and 21 days). On day 28 post initial vaccination, all groups were orally challenged with 2500 H. contortus infective larvae. The mimotope peptides selected by phage display were recognized by IgG from sheep naturaly infected with H. contortus. The immunization protocol showed an increasein IgG anti-M13 phage titers, but no effect was observed in IgG-specific for the anti-mimotope peptides. This is the first report of successful use of a phage display library for the identification of mimotopes of H. contortus proteins.

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Geographical breakdown

Country Count As %
Unknown 8 100%

Demographic breakdown

Readers by professional status Count As %
Other 1 13%
Student > Doctoral Student 1 13%
Professor 1 13%
Student > Ph. D. Student 1 13%
Student > Master 1 13%
Other 1 13%
Unknown 2 25%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 2 25%
Veterinary Science and Veterinary Medicine 1 13%
Agricultural and Biological Sciences 1 13%
Unknown 4 50%
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 01 March 2019.
All research outputs
#20,663,600
of 25,382,440 outputs
Outputs from Revista Brasileira de Parasitologia Veterinária
#333
of 660 outputs
Outputs of similar age
#268,171
of 344,113 outputs
Outputs of similar age from Revista Brasileira de Parasitologia Veterinária
#7
of 19 outputs
Altmetric has tracked 25,382,440 research outputs across all sources so far. This one is in the 10th percentile – i.e., 10% of other outputs scored the same or lower than it.
So far Altmetric has tracked 660 research outputs from this source. They receive a mean Attention Score of 1.2. This one is in the 34th percentile – i.e., 34% of its peers scored the same or lower than it.
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 344,113 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 12th percentile – i.e., 12% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 19 others from the same source and published within six weeks on either side of this one. This one is in the 42nd percentile – i.e., 42% of its contemporaries scored the same or lower than it.