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Interferon-γ inhibits group B Streptococcus survival within human endothelial cells

Overview of attention for article published in Memórias do Instituto Oswaldo Cruz, October 2014
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Title
Interferon-γ inhibits group B Streptococcus survival within human endothelial cells
Published in
Memórias do Instituto Oswaldo Cruz, October 2014
DOI 10.1590/0074-0276140201
Pubmed ID
Authors

Viviane de Oliveira Freitas Lione, Michelle Hanthequeste Bittencourt dos Santos, Jessica Silva Santos de Oliveira, Ana Luiza Mattos-Guaraldi, Prescilla Emy Nagao

Abstract

Endothelial dysfunction is a major component of the pathophysiology of septicaemic group B Streptococcus (GBS) infections. Although cytokines have been shown to activate human umbilical vein endothelial cells (HUVECs), the capacity of interferon (IFN)-γ to enhance the microbicidal activity of HUVECs against GBS has not been studied. We report that the viability of intracellular bacteria was reduced in HUVECs activated by IFN-γ. Enhanced fusion of lysosomes with bacteria-containing vacuoles was observed by acid phosphatase and the colocalisation of Rab-5, Rab-7 and lysosomal-associated membrane protein-1 with GBS in IFN-γ-activated HUVECs. IFN-γ resulted in an enhancement of the phagosome maturation process in HUVECs, improving the capacity to control the intracellular survival of GBS.

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The data shown below were collected from the profile of 1 X user who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 17 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 17 100%

Demographic breakdown

Readers by professional status Count As %
Student > Doctoral Student 4 24%
Student > Master 4 24%
Researcher 2 12%
Student > Ph. D. Student 2 12%
Other 1 6%
Other 2 12%
Unknown 2 12%
Readers by discipline Count As %
Immunology and Microbiology 4 24%
Medicine and Dentistry 4 24%
Agricultural and Biological Sciences 4 24%
Mathematics 1 6%
Business, Management and Accounting 1 6%
Other 1 6%
Unknown 2 12%
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 21 November 2014.
All research outputs
#22,759,802
of 25,374,917 outputs
Outputs from Memórias do Instituto Oswaldo Cruz
#1,299
of 1,502 outputs
Outputs of similar age
#233,663
of 274,082 outputs
Outputs of similar age from Memórias do Instituto Oswaldo Cruz
#18
of 23 outputs
Altmetric has tracked 25,374,917 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 1,502 research outputs from this source. They receive a mean Attention Score of 4.6. This one is in the 1st percentile – i.e., 1% 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 274,082 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 23 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.