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NMDA receptor GluN2A/GluN2B subunit ratio as synaptic trait of levodopa-induced dyskinesias: from experimental models to patients

Overview of attention for article published in Frontiers in Cellular Neuroscience, July 2015
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Title
NMDA receptor GluN2A/GluN2B subunit ratio as synaptic trait of levodopa-induced dyskinesias: from experimental models to patients
Published in
Frontiers in Cellular Neuroscience, July 2015
DOI 10.3389/fncel.2015.00245
Pubmed ID
Authors

Manuela Mellone, Jennifer Stanic, Ledia F. Hernandez, Elena Iglesias, Elisa Zianni, Annalisa Longhi, Annick Prigent, Barbara Picconi, Paolo Calabresi, Etienne C. Hirsch, Jose A. Obeso, Monica Di Luca, Fabrizio Gardoni

Abstract

Levodopa-induced dyskinesias (LIDs) are major complications in the pharmacological management of Parkinson's disease (PD). Abnormal glutamatergic transmission in the striatum is considered a key factor in the development of LIDs. This work aims at: (i) characterizing N-methyl-D-aspartate (NMDA) receptor GluN2A/GluN2B subunit ratio as a common synaptic trait in rat and primate models of LIDs as well as in dyskinetic PD patients; and (ii) validating the potential therapeutic effect of a cell-permeable peptide (CPP) interfering with GluN2A synaptic localization on the dyskinetic behavior of these experimental models of LIDs. Here we demonstrate an altered ratio of synaptic GluN2A/GluN2B-containing NMDA receptors in the striatum of levodopa-treated dyskinetic rats and monkeys as well as in post-mortem tissue from dyskinetic PD patients. The modulation of synaptic NMDA receptor composition by a cell-permeable peptide interfering with GluN2A subunit interaction with the scaffolding protein postsynaptic density protein 95 (PSD-95) leads to a reduction in the dyskinetic motor behavior in the two animal models of LIDs. Our results indicate that targeting synaptic NMDA receptor subunit composition may represent an intriguing therapeutic approach aimed at ameliorating levodopa motor side effects.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 75 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 1 1%
Unknown 74 99%

Demographic breakdown

Readers by professional status Count As %
Researcher 14 19%
Student > Ph. D. Student 13 17%
Student > Master 9 12%
Student > Bachelor 8 11%
Student > Doctoral Student 5 7%
Other 7 9%
Unknown 19 25%
Readers by discipline Count As %
Neuroscience 20 27%
Agricultural and Biological Sciences 10 13%
Pharmacology, Toxicology and Pharmaceutical Science 7 9%
Biochemistry, Genetics and Molecular Biology 6 8%
Medicine and Dentistry 5 7%
Other 5 7%
Unknown 22 29%
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 06 July 2015.
All research outputs
#17,765,638
of 22,816,807 outputs
Outputs from Frontiers in Cellular Neuroscience
#2,929
of 4,241 outputs
Outputs of similar age
#176,232
of 262,341 outputs
Outputs of similar age from Frontiers in Cellular Neuroscience
#86
of 129 outputs
Altmetric has tracked 22,816,807 research outputs across all sources so far. This one is in the 19th percentile – i.e., 19% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,241 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.2. This one is in the 23rd percentile – i.e., 23% 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 262,341 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 28th percentile – i.e., 28% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 129 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.