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Pearl powder reduces sleep disturbance stress response through regulating proteomics in a rat model of sleep deprivation.


ABSTRACT: AIMS:This study aimed to explore whether pearl could help prevent cognitional morbidity and improve the metabolic processes of hippocampus. METHODS:Rats were divided into group of control (CTL), sleep deprivation (SD) and pearl powder (PP). The sleeplessness was introduced to all rats except control. Before and after administration with vehicle or pearl powder, cognition was evaluated by Morris water maze (MWM). The protein expression in hippocampus among all groups was examined using iTRAQ-based global proteomic analysis. RESULTS:Morris water maze tests revealed improvements of insomnia-induced cognitive deficit in both PP- and ES-treated rats, as compared to SD rats. However, proteomic analysis indicates that the pharmacological impact on gene expression of these two medicines is quite different: pearl is more capable of correcting aberrant gene expression caused by SD than estazolam. Therefore, pearl is more suitable for treatment of insomnia. These data, together with protein-protein interaction analysis, indicate that several pathways, affected by sleep deprivation, may be rescued by pearl powder: retrograde endocannabinoid signalling pathway, and the protein interaction or network enrich in oxidative phosphorylation Parkinson's disease and Huntington disease, etc CONCLUSIONS: Sleep deprivation can mimic cognition decline caused by insomnia with altered protein expression in the hippocampus; such behavioural and pathological changes can be significantly ameliorated by pearl powder.

SUBMITTER: Xia M 

PROVIDER: S-EPMC7205811 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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Pearl powder reduces sleep disturbance stress response through regulating proteomics in a rat model of sleep deprivation.

Xia Meng M   Xia Meng M   Huang Delun D   Tong Yuangming Y   Lin Jiang J  

Journal of cellular and molecular medicine 20200327 9


<h4>Aims</h4>This study aimed to explore whether pearl could help prevent cognitional morbidity and improve the metabolic processes of hippocampus.<h4>Methods</h4>Rats were divided into group of control (CTL), sleep deprivation (SD) and pearl powder (PP). The sleeplessness was introduced to all rats except control. Before and after administration with vehicle or pearl powder, cognition was evaluated by Morris water maze (MWM). The protein expression in hippocampus among all groups was examined u  ...[more]

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