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Age-related deficits in synaptic plasticity rescued by activating PKA or PKC in sensory neurons of Aplysia californica

Overview of attention for article published in Frontiers in Aging Neuroscience, September 2015
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Title
Age-related deficits in synaptic plasticity rescued by activating PKA or PKC in sensory neurons of Aplysia californica
Published in
Frontiers in Aging Neuroscience, September 2015
DOI 10.3389/fnagi.2015.00173
Pubmed ID
Authors

Andrew T. Kempsell, Lynne A. Fieber

Abstract

Brain aging is associated with declines in synaptic function that contribute to memory loss, including reduced postsynaptic response to neurotransmitters and decreased neuronal excitability. To understand how aging affects memory in a simple neural circuit, we studied neuronal proxies of memory for sensitization in mature vs. advanced age Aplysia californica (Aplysia). L-Glutamate- (L-Glu-) evoked excitatory currents were facilitated by the neuromodulator serotonin (5-HT) in sensory neurons (SN) isolated from mature but not aged animals. Activation of protein kinase A (PKA) and protein kinase C (PKC) signaling rescued facilitation of L-Glu currents in aged SN. Similarly, PKA and PKC activators restored increased excitability in aged tail SN. These results suggest that altered synaptic plasticity during aging involves defects in second messenger systems.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 27 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 1 4%
Unknown 26 96%

Demographic breakdown

Readers by professional status Count As %
Student > Master 6 22%
Student > Bachelor 4 15%
Student > Ph. D. Student 3 11%
Professor 2 7%
Researcher 2 7%
Other 4 15%
Unknown 6 22%
Readers by discipline Count As %
Neuroscience 5 19%
Biochemistry, Genetics and Molecular Biology 4 15%
Environmental Science 3 11%
Immunology and Microbiology 3 11%
Engineering 2 7%
Other 4 15%
Unknown 6 22%
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 22 September 2015.
All research outputs
#14,824,070
of 22,826,360 outputs
Outputs from Frontiers in Aging Neuroscience
#3,358
of 4,778 outputs
Outputs of similar age
#147,534
of 266,946 outputs
Outputs of similar age from Frontiers in Aging Neuroscience
#38
of 56 outputs
Altmetric has tracked 22,826,360 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,778 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 13.1. This one is in the 25th percentile – i.e., 25% 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 266,946 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 41st percentile – i.e., 41% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 56 others from the same source and published within six weeks on either side of this one. This one is in the 23rd percentile – i.e., 23% of its contemporaries scored the same or lower than it.