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Dimethyl fumarate attenuates reactive microglia and long-term memory deficits following systemic immune challenge

Overview of attention for article published in Journal of Neuroinflammation, March 2018
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Title
Dimethyl fumarate attenuates reactive microglia and long-term memory deficits following systemic immune challenge
Published in
Journal of Neuroinflammation, March 2018
DOI 10.1186/s12974-018-1125-5
Pubmed ID
Authors

Hallel C. Paraiso, Ping-Chang Kuo, Eric T. Curfman, Haley J. Moon, Robert D. Sweazey, Jui-Hung Yen, Fen-Lei Chang, I-Chen Yu

Abstract

Systemic inflammation is associated with increased cognitive decline and risk for Alzheimer's disease. Microglia (MG) activated during systemic inflammation can cause exaggerated neuroinflammatory responses and trigger progressive neurodegeneration. Dimethyl fumarate (DMF) is a FDA-approved therapy for multiple sclerosis. The immunomodulatory and anti-oxidant properties of DMF prompted us to investigate whether DMF has translational potential for the treatment of cognitive impairment associated with systemic inflammation. Primary murine MG cultures were stimulated with lipopolysaccharide (LPS) in the absence or presence of DMF. MG cultured from nuclear factor (erythroid-derived 2)-like 2-deficient (Nrf2-/-) mice were used to examine mechanisms of DMF actions. Conditioned media generated from LPS-primed MG were used to treat hippocampal neuron cultures. Adult C57BL/6 and Nrf2-/-mice were subjected to peripheral LPS challenge. Acute neuroinflammation, long-term memory function, and reactive astrogliosis were examined to assess therapeutic effects of DMF. DMF suppressed inflammatory activation of MG induced by LPS. DMF suppressed NF-κB activity through Nrf2-depedent and Nrf2-independent mechanisms in MG. DMF treatment reduced MG-mediated toxicity towards neurons. DMF suppressed brain-derived inflammatory cytokines in mice following peripheral LPS challenge. The suppressive effect of DMF on neuroinflammation was blunted in Nrf2-/-mice. Importantly, DMF treatment alleviated long-term memory deficits and sustained reactive astrogliosis induced by peripheral LPS challenge. DMF might mitigate neurotoxic astrocytes associated with neuroinflammation. DMF treatment might protect neurons against toxic microenvironments produced by reactive MG and astrocytes associated with systemic inflammation.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 60 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 60 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 9 15%
Student > Doctoral Student 9 15%
Researcher 8 13%
Student > Bachelor 5 8%
Other 4 7%
Other 10 17%
Unknown 15 25%
Readers by discipline Count As %
Neuroscience 16 27%
Biochemistry, Genetics and Molecular Biology 9 15%
Medicine and Dentistry 9 15%
Nursing and Health Professions 2 3%
Agricultural and Biological Sciences 2 3%
Other 6 10%
Unknown 16 27%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 03 April 2018.
All research outputs
#13,895,132
of 23,031,582 outputs
Outputs from Journal of Neuroinflammation
#1,506
of 2,655 outputs
Outputs of similar age
#176,801
of 329,870 outputs
Outputs of similar age from Journal of Neuroinflammation
#37
of 77 outputs
Altmetric has tracked 23,031,582 research outputs across all sources so far. This one is in the 38th percentile – i.e., 38% of other outputs scored the same or lower than it.
So far Altmetric has tracked 2,655 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 7.6. This one is in the 42nd percentile – i.e., 42% 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 329,870 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 45th percentile – i.e., 45% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 77 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 50% of its contemporaries.