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Mild KCC2 Hypofunction Causes Inconspicuous Chloride Dysregulation that Degrades Neural Coding

Overview of attention for article published in Frontiers in Cellular Neuroscience, January 2016
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Title
Mild KCC2 Hypofunction Causes Inconspicuous Chloride Dysregulation that Degrades Neural Coding
Published in
Frontiers in Cellular Neuroscience, January 2016
DOI 10.3389/fncel.2015.00516
Pubmed ID
Authors

Nicolas Doyon, Steven A. Prescott, Yves De Koninck

Abstract

Disinhibition caused by Cl(-) dysregulation is implicated in several neurological disorders. This form of disinhibition, which stems primarily from impaired Cl(-) extrusion through the co-transporter KCC2, is typically identified by a depolarizing shift in GABA reversal potential (E GABA). Here we show, using computer simulations, that intracellular [Cl(-)] exhibits exaggerated fluctuations during transient Cl(-) loads and recovers more slowly to baseline when KCC2 level is even modestly reduced. Using information theory and signal detection theory, we show that increased Cl(-) lability and settling time degrade neural coding. Importantly, these deleterious effects manifest after less KCC2 reduction than needed to produce the gross changes in E GABA required for detection by most experiments, which assess KCC2 function under weak Cl(-) load conditions. By demonstrating the existence and functional consequences of "occult" Cl(-) dysregulation, these results suggest that modest KCC2 hypofunction plays a greater role in neurological disorders than previously believed.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 54 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Sweden 1 2%
Germany 1 2%
Unknown 52 96%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 14 26%
Researcher 9 17%
Student > Master 8 15%
Student > Bachelor 6 11%
Student > Doctoral Student 2 4%
Other 7 13%
Unknown 8 15%
Readers by discipline Count As %
Neuroscience 24 44%
Agricultural and Biological Sciences 11 20%
Medicine and Dentistry 5 9%
Mathematics 1 2%
Computer Science 1 2%
Other 4 7%
Unknown 8 15%
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 10 February 2016.
All research outputs
#18,437,241
of 22,842,950 outputs
Outputs from Frontiers in Cellular Neuroscience
#3,259
of 4,251 outputs
Outputs of similar age
#286,818
of 396,346 outputs
Outputs of similar age from Frontiers in Cellular Neuroscience
#77
of 109 outputs
Altmetric has tracked 22,842,950 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 4,251 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 15th percentile – i.e., 15% of its peers scored the same or lower than it.
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