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Pet serine protease from enteroaggregative Escherichia coli stimulates the inflammatory response activating human macrophages

Overview of attention for article published in BMC Microbiology, July 2016
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Title
Pet serine protease from enteroaggregative Escherichia coli stimulates the inflammatory response activating human macrophages
Published in
BMC Microbiology, July 2016
DOI 10.1186/s12866-016-0775-7
Pubmed ID
Authors

L. M. Rocha-Ramírez, U. Hernández-Chiñas, D. Baños-Rojas, J. Xicohtencatl-Cortés, M. E. Chávez-Berrocal, G. Rico-Rosillo, R. Kretschmer, C. A. Eslava

Abstract

Pet is a toxin from the family of Serine Protease Autotransporters of Enterobacteriaceae which was initially identified in Enteroaggregative Escherichia coli strains. This protease exhibits enterotoxin properties, damages the cell cytoskeleton and induces intestinal epithelium alterations, which are associated with a severe inflammatory process. An in-vitro study was conducted to evaluate the effect of Pet on the migration of human peripheral blood monocytes-derived macrophages and its participation in the activation of the early inflammatory response and cytokine expression. In the macrophage migration activation assay, Pet produced a similar effect to that induced by opsonized zymosan (ZAS). Regarding the cytokine expression, an increase of IL-8, TNF-α (pro-inflammatory) and IL-10 (anti-inflammatory) was identified. In addition to the above results, the nuclear translocation of NF-kB pp65 was also identified. These events are probably related to the inflammatory response identified in the histological examination of intestine rat samples inoculated with Pet during a ligated loop assay. The results showed that Pet participates as an immunostimulant molecule for macrophages, which activates both their mobility and cytokine expression. These observations suggest that the toxin participates in the inflammatory process that is observed during the host infection by EAEC Pet producing.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 31 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 31 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 5 16%
Student > Bachelor 4 13%
Student > Doctoral Student 3 10%
Student > Ph. D. Student 3 10%
Other 2 6%
Other 4 13%
Unknown 10 32%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 6 19%
Immunology and Microbiology 4 13%
Agricultural and Biological Sciences 4 13%
Medicine and Dentistry 3 10%
Veterinary Science and Veterinary Medicine 2 6%
Other 1 3%
Unknown 11 35%
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 22 July 2016.
All research outputs
#20,336,031
of 22,881,154 outputs
Outputs from BMC Microbiology
#2,694
of 3,195 outputs
Outputs of similar age
#317,800
of 363,722 outputs
Outputs of similar age from BMC Microbiology
#79
of 95 outputs
Altmetric has tracked 22,881,154 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,195 research outputs from this source. They receive a mean Attention Score of 4.1. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 95 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.