CLC number: R614
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 2015-08-10
Cited: 5
Clicked: 4755
Yun-zhi Ling, Wei Ma, Li Yu, Ye Zhang, Qi-sheng Liang. Decreased PSD95 expression in medial prefrontal cortex (mPFC) was associated with cognitive impairment induced by sevoflurane anesthesia[J]. Journal of Zhejiang University Science B, 2015, 16(9): 763-771.
@article{title="Decreased PSD95 expression in medial prefrontal cortex (mPFC) was associated with cognitive impairment induced by sevoflurane anesthesia",
author="Yun-zhi Ling, Wei Ma, Li Yu, Ye Zhang, Qi-sheng Liang",
journal="Journal of Zhejiang University Science B",
volume="16",
number="9",
pages="763-771",
year="2015",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.B1500006"
}
%0 Journal Article
%T Decreased PSD95 expression in medial prefrontal cortex (mPFC) was associated with cognitive impairment induced by sevoflurane anesthesia
%A Yun-zhi Ling
%A Wei Ma
%A Li Yu
%A Ye Zhang
%A Qi-sheng Liang
%J Journal of Zhejiang University SCIENCE B
%V 16
%N 9
%P 763-771
%@ 1673-1581
%D 2015
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.B1500006
TY - JOUR
T1 - Decreased PSD95 expression in medial prefrontal cortex (mPFC) was associated with cognitive impairment induced by sevoflurane anesthesia
A1 - Yun-zhi Ling
A1 - Wei Ma
A1 - Li Yu
A1 - Ye Zhang
A1 - Qi-sheng Liang
J0 - Journal of Zhejiang University Science B
VL - 16
IS - 9
SP - 763
EP - 771
%@ 1673-1581
Y1 - 2015
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.B1500006
Abstract: Objective: Though sevoflurane has been widely used as an anesthetic in surgery, recent studies have shown that exposure to sevoflurane alone could lead to postoperative cognitive dysfunction (POCD), of which the mechanisms still remain largely unknown. The medial prefrontal cortex (mPFC) is known to be implicated in various cognitive impairments, including working memory and attentional processes. In the present study, we tried to identify dysregulated gene expression in mPFC and investigate the underlying mechanisms involved in POCD. Methods: Behavioral tests, including elevated plus-maze, O-maze, and Y-maze tests, were performed on Wistar rats exposed to sevoflurane. Whole-genome mRNA profiling of mPFC from Wistar rats after exposure to sevoflurane was carried out. Real-time polymerase chain reaction (PCR) was done to verify the differentially expressed genes. Results: Significant impairment of working memory of rats after exposure to sevoflurane was observed. A total of 119 of 7319 detected mRNAs showed significantly different expression between rats with and without sevoflurane exposure (fold change (FC)>2.0, P<0.05, and false discovery rate (FDR)<0.05), among which 74 mRNAs were down-regulated and 45 mRNAs were up-regulated. Postsynaptic density-95 (PSD95, also named DLG4) showed the most significantly decreased expression in mPFC and further investigation indicated that PSD95 expression level was correlated with spatial working memory performance. Conclusions: Our study revealed that PSD95 might be involved in the mechanism of POCD, which could provide clues for preventing POCD in clinical operations.
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[35]List of electronic supplementary materials
[36]Table S1 Dysregulated mRNAs in in medial prefrontal cortex between experimental rats and normal rats
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