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rTMS Ameliorates PTSD Symptoms in Rats by Enhancing Glutamate Transmission and Synaptic Plasticity in the ACC via the PTEN/Akt Signalling Pathway

Overview of attention for article published in Molecular Neurobiology, May 2017
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Title
rTMS Ameliorates PTSD Symptoms in Rats by Enhancing Glutamate Transmission and Synaptic Plasticity in the ACC via the PTEN/Akt Signalling Pathway
Published in
Molecular Neurobiology, May 2017
DOI 10.1007/s12035-017-0602-7
Pubmed ID
Authors

Gaohua Liu, Dayun Feng, Jian Wang, Haifeng Zhang, Zhengwu Peng, Min Cai, Jing Yang, Ruiguo Zhang, Huaning Wang, Shengxi Wu, Qingrong Tan

Abstract

Repetitive transcranial magnetic stimulation (rTMS) is a novel physiological therapy that has been adopted to clinically treat psychiatric disorders. Our previous study indicated the potential therapeutic effect of rTMS on posttraumatic stress disorder (PTSD). However, the exact molecular mechanism is elusive. Currently, using the single prolonged stress (SPS) rat model for PTSD, we investigated the glutamatergic transmission and neural plasticity changes in the anterior cingulate cortex (ACC) after SPS induction and explored the protective effects and mechanism of rTMS treatment. We found that high-frequency rTMS (HrTMS, 15 Hz) treatment significantly relieved the impaired glutamatergic receptors in the ACC after SPS treatment by significantly increasing NMDAR and AMPAR expression. Simultaneously, HrTMS blocked inhibited neuronal phosphatase and tensin homologue on chromosome 10 (PTEN)/Akt signalling in the ACC after SPS treatment by decreasing PTEN expression and increasing Akt phosphorylation, which is critically involved in the regulation of memory and synaptic plasticity. The PTEN inhibitors bpV and small interfering RNA and the Akt inhibitor wortmannin were stereotaxically administered to the ACC after SPS treatment to advance the mechanistic study. Analysis by Western blot, double immunofluorescence, Golgi staining and behavioural tests demonstrated that the effects of rTMS on PTEN/Akt activation, glutamatergic receptor expression, neuronal synaptic plasticity and PTSD-related behaviours induced by SPS treatment were enhanced by PTEN inhibition and blocked by Akt inhibition in the ACC. Our study provides convincing evidence for the effectiveness of rTMS treatment on PTSD and suggests that its potential mechanism involves remodelling neuronal synaptic plasticity via the PTEN/Akt signalling pathway.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 58 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 58 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 9 16%
Student > Doctoral Student 8 14%
Student > Ph. D. Student 8 14%
Other 4 7%
Student > Postgraduate 4 7%
Other 9 16%
Unknown 16 28%
Readers by discipline Count As %
Neuroscience 20 34%
Psychology 9 16%
Medicine and Dentistry 6 10%
Biochemistry, Genetics and Molecular Biology 2 3%
Agricultural and Biological Sciences 1 2%
Other 0 0%
Unknown 20 34%
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 28 May 2017.
All research outputs
#20,425,762
of 22,977,819 outputs
Outputs from Molecular Neurobiology
#2,813
of 3,479 outputs
Outputs of similar age
#272,760
of 313,455 outputs
Outputs of similar age from Molecular Neurobiology
#95
of 124 outputs
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