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Detection of Signal Regulatory Protein α in Saimiri sciureus (Squirrel Monkey) by Anti-Human Monoclonal Antibody

Overview of attention for article published in Frontiers in immunology, December 2017
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Title
Detection of Signal Regulatory Protein α in Saimiri sciureus (Squirrel Monkey) by Anti-Human Monoclonal Antibody
Published in
Frontiers in immunology, December 2017
DOI 10.3389/fimmu.2017.01814
Pubmed ID
Authors

Hugo Amorim dos Santos de Souza, Edmar Henrique Costa-Correa, Cesare Bianco-Junior, Márcia Cristina Ribeiro Andrade, Josué da Costa Lima-Junior, Lilian Rose Pratt-Riccio, Cláudio Tadeu Daniel-Ribeiro, Paulo Renato Rivas Totino

Abstract

Non-human primates (NHP) are suitable models for studying different aspects of the human system, including pathogenesis and protective immunity to many diseases. However, the lack of specific immunological reagents for neo-tropical monkeys, such as Saimiri sciureus, is still a major factor limiting studies in these models. An alternative strategy to circumvent this obstacle has been the selection of immunological reagents directed to humans, which present cross-reactivity with NHP molecules. In this context and considering the key role of inhibitory immunoreceptors-such as the signal regulatory protein α (SIRPα)-in the regulation of immune responses, in the present study, we attempted to evaluate the ability of anti-human SIRPα monoclonal antibodies to recognize SIRPα in antigen-presenting S. sciureus peripheral blood mononuclear cells (PBMC). As shown by flow cytometry analysis, the profile of anti-SIRPα staining as well as the levels of SIRPα-positive cells in PBMC from S. sciureus were similar to those observed in human PBMC. Furthermore, using anti-SIRPα monoclonal antibody, it was possible to detect a decrease of the SIRPα levels on surface of S. sciureus cells after in vitro stimulation with lipopolysaccharides. Finally, using computed-based analysis, we observed a high degree of conservation of SIRPα across six species of primates and the presence of shared epitopes in the extracellular domain between humans and Saimiri genus that could be targeted by antibodies. In conclusion, we have identified a commercially available anti-human monoclonal antibody that is able to detect SIRPα of S. sciureus monkeys and that, therefore, can facilitate the study of the immunomodulatory role of SIRPα when S. sciureus is used as a model.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 10 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 10 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 3 30%
Student > Doctoral Student 2 20%
Student > Ph. D. Student 1 10%
Unspecified 1 10%
Unknown 3 30%
Readers by discipline Count As %
Immunology and Microbiology 3 30%
Biochemistry, Genetics and Molecular Biology 1 10%
Unspecified 1 10%
Computer Science 1 10%
Medicine and Dentistry 1 10%
Other 0 0%
Unknown 3 30%
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 19 January 2018.
All research outputs
#23,269,088
of 25,932,719 outputs
Outputs from Frontiers in immunology
#28,144
of 32,608 outputs
Outputs of similar age
#387,854
of 447,424 outputs
Outputs of similar age from Frontiers in immunology
#540
of 590 outputs
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So far Altmetric has tracked 32,608 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 8.5. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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