Institutional Repository, Institute of Psychology, Chinese Academy of Sciences
The duration of withdrawal affects the muscarinic signaling in the nucleus accumbens after chronic morphine exposure in neonatal rats | |
Jiang, Xiao1,2,3; Zhang, Jian-Jun1,2; Song, Sen4; Li, Yonghui1,2; Sui, Nan1,2 | |
通讯作者 | Sui, Nan(suin@psych.ac.cn) |
摘要 | The infants experience withdrawal from opiates, and time-dependent adaptations in neuronal activity of nucleus accumbens (NAc) may be crucial for this process. A key adaptation is an increased release of acetylcholine. The present study investigates muscarinic acetylcholine receptors (mAChRs) functions in the NAc at short-term (SWT) and long-term (LWT) withdrawal time following chronic morphine exposure in neonatal rats. The inhibitory role of presynaptic mAChRs activation in spontaneous excitatory postsynaptic currents (sEPSCs) in medium spiny neurons was decreased at LWT but not at SWT. Whereas, the excitatory role of post/extrasynaptic mAChRs activation in membrane currents was reduced at LWT but enhanced at SWT. Furthermore, the inhibitory effect of acute morphine on post/extrasynaptic mAChRs-mediated inward currents was enhanced at SWT but not at LWT. These results suggest that withdrawal from morphine leads to downregulation of presynaptic and post/extrasynaptic mAChRs functions in the NAc, which may coregulate the development of withdrawal in neonates. NEW & NOTEWORTHY We investigated for the first time how the duration of withdrawal affects mAChRs functions in the nucleus accumbens in neonatal rats. Compared with short-term withdrawal time, rats showed downregulation of presynaptic and post/extrasynaptic mAChRs functions during long-term withdrawal time. Our finding introduces a new possible correlation between the mAChRs dysfunction in the nucleus accumbens and the development of withdrawal in neonates. |
关键词 | medium spiny neurons (MSN) morphine withdrawal muscarinic acetylcholine receptor (mAChR) neonatal nucleus accumbens (NAc) |
2021-06-01 | |
语种 | 英语 |
DOI | 10.1152/jn.00441.2020 |
发表期刊 | JOURNAL OF NEUROPHYSIOLOGY
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ISSN | 0022-3077 |
卷号 | 125期号:6页码:2228-2236 |
收录类别 | SCI |
资助项目 | Chinese Academy of Sciences[KSCX2-EW-R-12] ; National Basic Research Program Grant[2015CB553501] ; National Natural Science Foundation[31871111] ; National Natural Science Foundation[91332115] ; Key Laboratory of Mental Health, Institute of Psychology, CAS |
出版者 | AMER PHYSIOLOGICAL SOC |
WOS关键词 | LONG-LASTING CHANGES ; MEDIUM SPINY NEURONS ; CHOLINERGIC MODULATION ; SYNAPTIC-TRANSMISSION ; ACETYLCHOLINE-RELEASE ; PLACE PREFERENCE ; MU-OPIATE ; RECEPTORS ; COCAINE ; INCUBATION |
WOS研究方向 | Neurosciences & Neurology ; Physiology |
WOS类目 | Neurosciences ; Physiology |
WOS记录号 | WOS:000660300600019 |
资助机构 | Chinese Academy of Sciences ; National Basic Research Program Grant ; National Natural Science Foundation ; Key Laboratory of Mental Health, Institute of Psychology, CAS |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.psych.ac.cn/handle/311026/39743 |
通讯作者 | Sui, Nan |
作者单位 | 1.Inst Psychol, CAS Key Lab Mental Hlth, Beijing, Peoples R China 2.Univ Chinese Acad Sci, Dept Psychol, Beijing, Peoples R China 3.Anhui Med Univ, Sch Mental Hlth & Psychol Sci, Dept Med Psychol, Hefei, Peoples R China 4.Tsinghua Univ, Sch Med, Dept Biomed Engn, Beijing, Peoples R China |
推荐引用方式 GB/T 7714 | Jiang, Xiao,Zhang, Jian-Jun,Song, Sen,et al. The duration of withdrawal affects the muscarinic signaling in the nucleus accumbens after chronic morphine exposure in neonatal rats[J]. JOURNAL OF NEUROPHYSIOLOGY,2021,125(6):2228-2236. |
APA | Jiang, Xiao,Zhang, Jian-Jun,Song, Sen,Li, Yonghui,&Sui, Nan.(2021).The duration of withdrawal affects the muscarinic signaling in the nucleus accumbens after chronic morphine exposure in neonatal rats.JOURNAL OF NEUROPHYSIOLOGY,125(6),2228-2236. |
MLA | Jiang, Xiao,et al."The duration of withdrawal affects the muscarinic signaling in the nucleus accumbens after chronic morphine exposure in neonatal rats".JOURNAL OF NEUROPHYSIOLOGY 125.6(2021):2228-2236. |
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