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DGKθ Catalytic Activity Is Required for Efficient Recycling of Presynaptic Vesicles at Excitatory Synapses

Overview of attention for article published in Cell Reports, December 2015
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Title
DGKθ Catalytic Activity Is Required for Efficient Recycling of Presynaptic Vesicles at Excitatory Synapses
Published in
Cell Reports, December 2015
DOI 10.1016/j.celrep.2015.12.022
Pubmed ID
Authors

Hana L. Goldschmidt, Becky Tu-Sekine, Lenora Volk, Victor Anggono, Richard L. Huganir, Daniel M. Raben

Abstract

Synaptic transmission relies on coordinated coupling of synaptic vesicle (SV) exocytosis and endocytosis. While much attention has focused on characterizing proteins involved in SV recycling, the roles of membrane lipids and their metabolism remain poorly understood. Diacylglycerol, a major signaling lipid produced at synapses during synaptic transmission, is regulated by diacylglycerol kinase (DGK). Here, we report a role for DGKθ in the mammalian CNS in facilitating recycling of presynaptic vesicles at excitatory synapses. Using synaptophysin- and vGlut1-pHluorin optical reporters, we found that acute and chronic deletion of DGKθ attenuated the recovery of SVs following neuronal stimulation. Rescue of recycling kinetics required DGKθ kinase activity. Our data establish a role for DGK catalytic activity at the presynaptic nerve terminal in SV recycling. Altogether, these data suggest that DGKθ supports synaptic transmission during periods of elevated neuronal activity.

X Demographics

X Demographics

The data shown below were collected from the profiles of 4 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 68 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 68 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 16 24%
Researcher 11 16%
Student > Bachelor 10 15%
Student > Master 8 12%
Student > Postgraduate 4 6%
Other 10 15%
Unknown 9 13%
Readers by discipline Count As %
Neuroscience 18 26%
Biochemistry, Genetics and Molecular Biology 15 22%
Agricultural and Biological Sciences 14 21%
Medicine and Dentistry 5 7%
Unspecified 2 3%
Other 6 9%
Unknown 8 12%
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 11 January 2016.
All research outputs
#15,169,949
of 25,374,647 outputs
Outputs from Cell Reports
#11,258
of 12,958 outputs
Outputs of similar age
#202,353
of 399,216 outputs
Outputs of similar age from Cell Reports
#212
of 259 outputs
Altmetric has tracked 25,374,647 research outputs across all sources so far. This one is in the 38th percentile – i.e., 38% of other outputs scored the same or lower than it.
So far Altmetric has tracked 12,958 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 30.3. This one is in the 11th percentile – i.e., 11% 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 399,216 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 47th percentile – i.e., 47% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 259 others from the same source and published within six weeks on either side of this one. This one is in the 15th percentile – i.e., 15% of its contemporaries scored the same or lower than it.