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Effect of Spp1 on nerve degeneration and regeneration after rat sciatic nerve injury

Overview of attention for article published in BMC Neuroscience, March 2017
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Title
Effect of Spp1 on nerve degeneration and regeneration after rat sciatic nerve injury
Published in
BMC Neuroscience, March 2017
DOI 10.1186/s12868-017-0348-1
Pubmed ID
Authors

Xingyu Liu, Yuhua Sun, Huaiqin Li, Yuting Li, Meiyuan Li, Ying Yuan, Shusen Cui, Dengbing Yao

Abstract

Wallerian degeneration (WD) in injured peripheral nerves is associated with a large number of up- or down-regulated genes, but the effects of these changes are poorly understood. In our previous studies, we reported some key factors that are differentially expressed to activate nerve degeneration and regeneration during WD. Here, we determined the effects of secreted phosphoprotein 1 (Spp1) on WD after rat sciatic nerve injury. Spp1 was upregulated from 6 h to 14 days after sciatic nerve injury. Altered expression of Spp1 in Schwann cells (SC) resulted in altered mRNA and protein expression levels for cytokines, c-Fos, PKCα and phospho-ERK/ERK and affected SC apoptosis in vitro. Silencing of Spp1 expression in SCs using siRNA technology reduced proliferation and promoted migration of SCs in vitro. By contrast, overexpression of Spp1 promoted proliferation and reduced migration in SCs in vitro. Differential expression of Spp1 after sciatic nerve injury in vivo altered the expression of cytokines, c-Fos, PKCα, and the p-ERK/ERK pathway. Spp1 is a key regulatory factor that affects nerve degeneration and regeneration through c-Fos, PKCα and p-ERK/ERK pathways after rat sciatic nerve injury. These results shed new light on the role of Spp1 in nerve degeneration and regeneration during WD.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 22 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 22 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 3 14%
Student > Ph. D. Student 3 14%
Researcher 3 14%
Student > Master 3 14%
Other 2 9%
Other 4 18%
Unknown 4 18%
Readers by discipline Count As %
Medicine and Dentistry 8 36%
Neuroscience 7 32%
Biochemistry, Genetics and Molecular Biology 2 9%
Unknown 5 23%
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 08 March 2017.
All research outputs
#20,408,464
of 22,958,253 outputs
Outputs from BMC Neuroscience
#1,058
of 1,249 outputs
Outputs of similar age
#268,339
of 307,995 outputs
Outputs of similar age from BMC Neuroscience
#12
of 23 outputs
Altmetric has tracked 22,958,253 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 1,249 research outputs from this source. They receive a mean Attention Score of 4.3. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 23 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.