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In Vivo Non-radioactive Assessment of mGlu5 Receptor-Activated Polyphosphoinositide Hydrolysis in Response to Systemic Administration of a Positive Allosteric Modulator

Overview of attention for article published in Frontiers in Pharmacology, July 2018
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Title
In Vivo Non-radioactive Assessment of mGlu5 Receptor-Activated Polyphosphoinositide Hydrolysis in Response to Systemic Administration of a Positive Allosteric Modulator
Published in
Frontiers in Pharmacology, July 2018
DOI 10.3389/fphar.2018.00804
Pubmed ID
Authors

Anna R. Zuena, Luisa Iacovelli, Rosamaria Orlando, Luisa Di Menna, Paola Casolini, Giovanni Sebastiano Alemà, Gabriele Di Cicco, Giuseppe Battaglia, Ferdinando Nicoletti

Abstract

mGlu5 receptor-mediated polyphosphoinositide (PI) hydrolysis is classically measured by determining the amount of radioactivity incorporated in inositolmonophosphate (InsP) after labeling of membrane phospholipids with radioactive inositol. Although this method is historically linked to the study of mGlu receptors, it is inappropriate for the assessment of mGlu5 receptor signaling in vivo. Using a new ELISA kit we showed that systemic treatment with the selective positive allosteric modulator (PAM) of mGlu5 receptors VU0360172 enhanced InsP formation in different brain regions of CD1 or C57Black mice. The action of VU0360172 was sensitive to the mGlu5 receptor, negative allosteric modulator (NAM), MTEP, and was abolished in mice lacking mGlu5 receptors. In addition, we could demonstrate that endogenous activation of mGlu5 receptors largely accounted for the basal PI hydrolysis particularly in the prefrontal cortex. This method offers opportunity for investigation of mGlu5 receptor signaling in physiology and pathology, and could be used for the functional screening of mGlu5 receptor PAMs in living animals.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 10 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 10 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 3 30%
Other 1 10%
Researcher 1 10%
Unknown 5 50%
Readers by discipline Count As %
Medicine and Dentistry 3 30%
Neuroscience 1 10%
Biochemistry, Genetics and Molecular Biology 1 10%
Unknown 5 50%
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 13 August 2018.
All research outputs
#20,529,980
of 23,099,576 outputs
Outputs from Frontiers in Pharmacology
#10,326
of 16,457 outputs
Outputs of similar age
#287,839
of 329,835 outputs
Outputs of similar age from Frontiers in Pharmacology
#268
of 384 outputs
Altmetric has tracked 23,099,576 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.
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