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Lymphocytes Contribute to the Pathophysiology of Neonatal Brain Injury

Overview of attention for article published in Frontiers in Neurology, March 2018
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Title
Lymphocytes Contribute to the Pathophysiology of Neonatal Brain Injury
Published in
Frontiers in Neurology, March 2018
DOI 10.3389/fneur.2018.00159
Pubmed ID
Authors

Arshed Nazmi, Anna-Maj Albertsson, Eridan Rocha-Ferreira, Xiaoli Zhang, Regina Vontell, Aura Zelco, Mary Rutherford, Changlian Zhu, Gisela Nilsson, Carina Mallard, Henrik Hagberg, Jacqueline C. Y. Lai, Jianmei W. Leavenworth, Xiaoyang Wang

Abstract

Periventricular leukomalacia (PVL) is the most common form of preterm brain injury affecting the cerebral white matter. This type of injury involves a multiphase process and is induced by many factors, including hypoxia-ischemia (HI) and infection. Previous studies have suggested that lymphocytes play a significant role in the pathogenesis of brain injury, and the aim of this study was to determine the contribution of lymphocyte subsets to preterm brain injury. Immunohistochemistry on brain sections from neonatal mice was performed to evaluate the extent of brain injury in wild-type and T cell and B cell-deficient neonatal mice (Rag1-/-mice) using a mouse model of HI-induced preterm brain injury. Flow cytometry was performed to determine the presence of different types of immune cells in mouse brains following HI. In addition, immunostaining for CD3 T cells and CD20 B cells was performed on postmortem preterm human infant brains with PVL. Mature lymphocyte-deficientRag1- / -mice showed protection from white matter loss compared to wild type mice as indicated by myelin basic protein immunostaining of mouse brains. CD3+T cells and CD20+B cells were observed in the postmortem preterm infant brains with PVL. Flow cytometry analysis of mouse brains after HI-induced injury showed increased frequency of CD3+T, αβT and B cells at 7 days after HI in the ipsilateral (injured) hemisphere compared to the contralateral (control, uninjured) hemisphere. Lymphocytes were found in the injured brain after injury in both mice and humans, and lack of mature lymphocytes protected neonatal mice from HI-induced brain white matter injury. This finding provides insight into the pathology of perinatal brain injury and suggests new avenues for the development of therapeutic strategies.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 34 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 34 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 5 15%
Student > Ph. D. Student 5 15%
Researcher 4 12%
Student > Bachelor 3 9%
Professor 3 9%
Other 3 9%
Unknown 11 32%
Readers by discipline Count As %
Neuroscience 5 15%
Medicine and Dentistry 5 15%
Agricultural and Biological Sciences 4 12%
Biochemistry, Genetics and Molecular Biology 3 9%
Immunology and Microbiology 1 3%
Other 2 6%
Unknown 14 41%
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 05 April 2018.
All research outputs
#18,591,506
of 23,028,364 outputs
Outputs from Frontiers in Neurology
#7,863
of 11,923 outputs
Outputs of similar age
#258,139
of 332,288 outputs
Outputs of similar age from Frontiers in Neurology
#180
of 262 outputs
Altmetric has tracked 23,028,364 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 11,923 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 7.3. This one is in the 25th percentile – i.e., 25% of its peers scored the same or lower than it.
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We're also able to compare this research output to 262 others from the same source and published within six weeks on either side of this one. This one is in the 24th percentile – i.e., 24% of its contemporaries scored the same or lower than it.