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题名:
Sex-Specific Diurnal Immobility Induced by Forced Swim Test in Wild Type and Clock Gene Deficient Mice
作者: Li, Ningyue; Xu, Yanhua; Chen, Xiaojuan; Duan, Qing; Zhao, Mei
文章类型: Article
关键词: circadian ; clock gene ; mutant ; sex-difference ; immobility ; forced swim
刊名: INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
ISSN号: 1422-0067
出版日期: 2015-04-01
卷号: 16, 期号:4, 页码:6831-6841
收录类别: SCI
英文摘要: Objective: The link between alterations in circadian rhythms and depression are well established, but the underlying mechanisms are far less elucidated. We investigated the circadian characteristics of immobility behavior in wild type (WT) mice and mice with mutations in core Clock genes. Methods: All mice were tested with forced swim test (FST) at 4 h intervals. Results: These experiments revealed significant diurnal rhythms associated with immobility behavior in both male and female WT mice with sex-different circadian properties. In addition, male mice showed significantly less immobility during the night phase in comparison to female mice. Female Per1(Brdm1) mice also showed significant rhythmicity. However, the timing of rhythmicity was very different from that observed in female wild type mice. Male Per1(Brdm1) mice showed a pattern of rhythmicity similar to that of wild type mice. Furthermore, female Per1(Brdm1) mice showed higher duration of immobility in comparison to male Per1(Brdm1) mice in both daytime and early night phases. Neither Per2(Brdm1) nor Clock(19) mice showed significant rhythmicity, but both female Per2(Brdm1) and Clock(19) mice had lower levels of immobility, compared to males. Conclusions: This study highlights the differences in the circadian characteristics of immobility induced by FST in WT, Clock(19), Per1, and Per2 deficient mice.
语种: 英语
WOS记录号: WOS:000354040400012
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.psych.ac.cn/handle/311026/13398
Appears in Collections:中国科学院心理健康重点实验室_期刊论文

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作者单位: Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China

Recommended Citation:
Li, Ningyue,Xu, Yanhua,Chen, Xiaojuan,et al. Sex-Specific Diurnal Immobility Induced by Forced Swim Test in Wild Type and Clock Gene Deficient Mice[J]. INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES,2015,16(4):6831-6841.
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