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Neuroinflammation Induced by Intracerebroventricular Injection of Microbial Neuraminidase

Overview of attention for article published in Frontiers in Medicine, March 2015
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Title
Neuroinflammation Induced by Intracerebroventricular Injection of Microbial Neuraminidase
Published in
Frontiers in Medicine, March 2015
DOI 10.3389/fmed.2015.00014
Pubmed ID
Authors

Pablo Granados-Durán, María D. López-Ávalos, Jesús M. Grondona, María del Carmen Gómez-Roldán, Manuel Cifuentes, Margarita Pérez-Martín, Martina Alvarez, Fernando Rodríguez de Fonseca, Pedro Fernández-Llebrez

Abstract

In the present paper, we describe the facts that took place in the rat brain after a single injection of the enzyme neuraminidase from Clostridium perfringens into the right lateral ventricle. After injection, it diffused through the cerebrospinal fluid of the ipsilateral ventricle and the third ventricle, and about 400 μm into the periventricular brain parenchyma. The expression of ICAM1 in the endothelial cells of the periventricular vessels, IBA1 in microglia, and GFAP in astrocytes notably increased in the regions reached by the injected neuraminidase. The subependymal microglia and the ventricular macrophages begun to express IL1β and some appeared to cross the ependymal layer. After about 4 h of the injection, leukocytes migrated from large venules of the affected choroid plexus, the meninges and the local subependyma, and infiltrated the brain. The invading cells arrived orderly: first neutrophils, then macrophage-monocytes, and last CD8α-positive T-lymphocytes and B-lymphocytes. Leukocytes in the ventricles and the perivascular zones penetrated the brain parenchyma passing through the ependyma and the glia limitans. Thus, it is likely that a great part of the damage produced by microorganism invading the brain may be due to their neuraminidase content.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 42 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 42 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 13 31%
Researcher 7 17%
Student > Bachelor 6 14%
Student > Master 3 7%
Student > Doctoral Student 2 5%
Other 6 14%
Unknown 5 12%
Readers by discipline Count As %
Neuroscience 13 31%
Agricultural and Biological Sciences 9 21%
Biochemistry, Genetics and Molecular Biology 6 14%
Medicine and Dentistry 3 7%
Veterinary Science and Veterinary Medicine 1 2%
Other 3 7%
Unknown 7 17%
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 17 March 2015.
All research outputs
#18,403,994
of 22,796,179 outputs
Outputs from Frontiers in Medicine
#3,883
of 5,629 outputs
Outputs of similar age
#209,339
of 286,345 outputs
Outputs of similar age from Frontiers in Medicine
#11
of 24 outputs
Altmetric has tracked 22,796,179 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 5,629 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 13.0. This one is in the 13th percentile – i.e., 13% 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 286,345 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 15th percentile – i.e., 15% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 24 others from the same source and published within six weeks on either side of this one. This one is in the 4th percentile – i.e., 4% of its contemporaries scored the same or lower than it.