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Type 2 Diabetes Leads to Axon Initial Segment Shortening in db/db Mice

Overview of attention for article published in Frontiers in Cellular Neuroscience, June 2018
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Title
Type 2 Diabetes Leads to Axon Initial Segment Shortening in db/db Mice
Published in
Frontiers in Cellular Neuroscience, June 2018
DOI 10.3389/fncel.2018.00146
Pubmed ID
Authors

Leonid M. Yermakov, Domenica E. Drouet, Ryan B. Griggs, Khalid M. Elased, Keiichiro Susuki

Abstract

Cognitive and mood impairments are common central nervous system complications of type 2 diabetes, although the neuronal mechanism(s) remains elusive. Previous studies focused mainly on neuronal inputs such as altered synaptic plasticity. Axon initial segment (AIS) is a specialized functional domain within neurons that regulates neuronal outputs. Structural changes of AIS have been implicated as a key pathophysiological event in various psychiatric and neurological disorders. Here we evaluated the structural integrity of the AIS in brains of db/db mice, an established animal model of type 2 diabetes associated with cognitive and mood impairments. We assessed the AIS before (5 weeks of age) and after (10 weeks) the development of type 2 diabetes, and after daily exercise treatment of diabetic condition. We found that the development of type 2 diabetes is associated with significant AIS shortening in both medial prefrontal cortex and hippocampus, as evident by immunostaining of the AIS structural protein βIV spectrin. AIS shortening occurs in the absence of altered neuronal and AIS protein levels. We found no change in nodes of Ranvier, another neuronal functional domain sharing a molecular organization similar to the AIS. This is the first study to identify AIS alteration in type 2 diabetes condition. Since AIS shortening is known to lower neuronal excitability, our results may provide a new avenue for understanding and treating cognitive and mood impairments in type 2 diabetes.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 43 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 43 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 9 21%
Student > Master 6 14%
Researcher 4 9%
Student > Postgraduate 3 7%
Student > Bachelor 2 5%
Other 7 16%
Unknown 12 28%
Readers by discipline Count As %
Neuroscience 10 23%
Agricultural and Biological Sciences 4 9%
Biochemistry, Genetics and Molecular Biology 3 7%
Medicine and Dentistry 3 7%
Nursing and Health Professions 2 5%
Other 6 14%
Unknown 15 35%
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 17 June 2018.
All research outputs
#20,522,137
of 23,090,520 outputs
Outputs from Frontiers in Cellular Neuroscience
#3,600
of 4,278 outputs
Outputs of similar age
#288,643
of 328,957 outputs
Outputs of similar age from Frontiers in Cellular Neuroscience
#90
of 102 outputs
Altmetric has tracked 23,090,520 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.
So far Altmetric has tracked 4,278 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.3. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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