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Identification of circulating biomarkers in sera of Plasmodium knowlesi-infected malaria patients – comparison against Plasmodium vivax infection

Overview of attention for article published in BMC Infectious Diseases, February 2015
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Title
Identification of circulating biomarkers in sera of Plasmodium knowlesi-infected malaria patients – comparison against Plasmodium vivax infection
Published in
BMC Infectious Diseases, February 2015
DOI 10.1186/s12879-015-0786-2
Pubmed ID
Authors

Yeng Chen, Choon K Chan, Jesinda P Kerishnan, Yee L Lau, Yin-Ling Wong, Subash CB Gopinath

Abstract

Background Plasmodium knowlesi was identified as the fifth major malaria parasite in humans. It presents severe clinical symptoms and leads to mortality as a result of hyperparasitemia in a short period of time. This study aimed to improve the current understanding of P. knowlesi and identify potential biomarkers for knowlesi malaria.MethodsIn the present study, we have employed two-dimensional gel electrophoresis-coupled immunoblotting techniques and mass spectrometry to identify novel circulating markers in sera from P. knowlesi-infected patients. Specifically, we have compared serum protein profiles from P. knowlesi-infected patients against those of healthy or P. vivax-infected individuals.ResultsWe identified several immunoreactive proteins in malarial-infected subjects, including alpha-2-HS glycoprotein (AHSG), serotransferrin (TF), complement C3c (C3), hemopexin (HPX), zinc-2-alpha glycoprotein (ZAG1), apolipoprotein A1 (Apo-A1), haptoglobin (HAP), and alpha-1-B-glycoprotein (A1BG). However, only TF and HPX displayed enhanced antigenicity and specificity, suggesting that they might represent valid markers for detecting P. knowlesi infection. Additionally, six P. knowlesi-specific antigens were identified (K15, K16, K28, K29, K30, and K38). Moreover, although HAP antigenicity was observed during P. vivax infection, it was undetectable in P. knowlesi-infected subjects.ConclusionsWe have demonstrated the application of immunoproteomics approach to identify potential candidate biomarkers for knowlesi malaria infection.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 56 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Madagascar 1 2%
France 1 2%
Unknown 54 96%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 13 23%
Student > Master 8 14%
Researcher 6 11%
Student > Bachelor 4 7%
Student > Doctoral Student 3 5%
Other 11 20%
Unknown 11 20%
Readers by discipline Count As %
Agricultural and Biological Sciences 15 27%
Medicine and Dentistry 9 16%
Biochemistry, Genetics and Molecular Biology 8 14%
Immunology and Microbiology 4 7%
Environmental Science 1 2%
Other 5 9%
Unknown 14 25%
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 07 February 2015.
All research outputs
#20,258,256
of 22,787,797 outputs
Outputs from BMC Infectious Diseases
#6,462
of 7,671 outputs
Outputs of similar age
#296,310
of 352,111 outputs
Outputs of similar age from BMC Infectious Diseases
#142
of 151 outputs
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So far Altmetric has tracked 7,671 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 9.6. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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