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ID 116125
タイトル別表記
軽度な慢性ストレスはマウスの睡眠を障害し疼痛感受性を増大させる
著者
ダラノン, ジュネル カシニリヨ 徳島大学大学院口腔科学教育部(口腔科学専攻)
Chavan, Parimal Tokushima University
キーワード
Hyperalgesia
Predictable chronic mild stress
Sleep
Slow-wave activity
Interleukin-6
Tumor necrosis factor-alpha
資料タイプ
学位論文
抄録
Even though it has been well documented that stress can lead to the development of sleep disorders and the intensification of pain, their relationships have not been fully understood. The present study was aimed at investigating the effects of predictable chronic mild stress (PCMS) on sleep–wake states and pain threshold, using the PCMS rearing conditions of mesh wire (MW) and water (W) for 21 days. Exposure to PCMS decreased the amount of non-rapid eye movement (NREM) sleep during the dark phase. Moreover, the chronicity of PCMS decreased slow-wave activity (SWA) during NREM sleep in the MW and W groups in both the light and dark phases. Mechanical and aversively hot thermal hyperalgesia were more intensified in the PCMS groups than the control. Higher plasma corticosterone levels were seen in mice subjected to PCMS, whereas TNF-α expression was found higher in the hypothalamus in the W and the trigeminal ganglion in the MW group. The W group had higher expression levels of IL-6 in the thalamus as well. The PCMS paradigm decreased SWA and may have intensified mechanical and thermal hyperalgesia. The current study also suggests that rearing under PCMS may cause impaired sleep quality and heightened pain sensation to painful mechanical and aversively hot thermal stimuli.
掲載誌名
Scientific Reports
ISSN
20452322
出版者
Springer Nature
11
開始ページ
14231
発行日
2021-07-09
備考
内容要旨・審査要旨・論文本文の公開
本論文は,著者Junhel Dalanonの学位論文として提出され,学位審査・授与の対象となっている。
権利情報
This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
EDB ID
出版社版DOI
出版社版URL
フルテキストファイル
言語
eng
著者版フラグ
博士論文全文を含む
文科省報告番号
甲第3542号
学位記番号
甲口第473号
学位授与年月日
2021-09-09
学位名
博士(歯学)
学位授与機関
徳島大学
部局
医学系
歯学系
病院