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TRAP-Seq uncovers post-transcriptional gene regulation after acute sleep deprivation

ABSTRACT: To identify the effects of sleep deprivation on the translatome, we took advantage of the RiboTag mouse line with an HA labeled ribosomal protein to express labeled Rpl22 in CaMKIIa neurons to selectively isolate and then sequence mRNA transcripts associated with ribosomes

ORGANISM(S): Mus musculus

PROVIDER: GSE156925 | GEO | 2020/08/27

REPOSITORIES: GEO

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Microglia protect memories formed during sleep deprivation

Project description:Purpose: To determine the specific effects of 6 hours sleep deprivation after a learning event on the transcriptomes of microglia. Sleep deprivation can generate inflammatory responses in the neuronal environment. In turn, this inflammation increases sleep drive, leading to a rebound in sleep duration. Microglia, a type of support cell found exclusively in the brain, have previously been found to release of inflammatory signals and exhibit altered characteristics in response to sleep deprivation. Together, this suggests microglia may be partially responsible for the brain’s response to sleep deprivation through their inflammatory activity. In this study, we fully and selectively ablated microglia from the mouse brain and assessed resulting sleep, circadian, and sleep deprivation phenotypes. We find microglia are dispensable for both homeostatic sleep and circadian function and the sleep rebound response to sleep deprivation. However, we uncover a phenomenon by which microglia appear to be essential for the protection of synapses and associated memories formed during a period of sleep deprivation, further expanding the list of known functions for microglia in synaptic modulation.

2021-05-12 | GSE174231 | GEO

Sleep Deprivation and Recovery Sleep for 7 Regions of Mouse Brain.

Project description:Analysis of the effects of sleep deprivation, recovery sleep, and three time-of-day controls on seven brain regions laser microdissected from mouse brain. The regions include the locus coeruleus, suprachiasmatic nucleus, hypocretin area, tuberomammillary nucleus, orbital cortex, posteromedial cortical amygdala, and entorhinal cortex. In this study, 7 brain regions were collected by laser microdissection from brain tissue of mice from 5 different treatment groups and used for microarray experiments. Four biological replicates were generated for each regionxcondition. Conditions are: SD, sleep deprivation for 6 hours from ZT0 - 6; SDC, time-of-day control for SD at ZT6; RS, recovery sleep for 4 hours following SD; RSC, time-of-day control for RS at ZT10; W, spontaneous waking at ZT18.

2010-08-16 | E-GEOD-23628 | biostudies-arrayexpress

Altered hippocampal transcriptome dynamics following sleep deprivation

Project description:Purpose: To comprehensively identify the gene expression changes that occur after acute sleep deprivation. Method: We performed total RNA sequencing after 5hours of sleep deprivation. Results: Using total RNA-sequencing, we show that acute sleep deprivation causes dramatic gene expression changes in the mouse hippocampus. Conclusion: This study provides insight into the biological impact of acute sleep deprivation.

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Sleep Deprivation and Recovery Sleep for 7 Regions of Mouse Brain.

2010-08-17 | GSE23628 | GEO

Expression data from sleep deprivation experiment in mouse hippocampus

Project description:We used microarrays to detail the global programme of gene expression underlying the effect of sleep deprivation in the mouse hippocampus and identified distinct classes of regulated genes during this process. Hippocampal tissue was taken from sleep deprived mice and time-matched non-sleep-deprived control animals that were left undisturbed in their home cages during the sleep deprivation period for a total of 8 and 9 replicates per group. RNA was isolated and cDNA was synthesized from hippocampal tissue, and the sample from each animal was hybridized to a separate Affymetrix Mouse 430_2 microarray

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Prolonged sleep deprivation induces cytokine storm-like syndrome in mammals

Project description:Sleep is deeply involved in neuroimmune regulation, while the mechanism is yet to be elucidated. Experimental manipulation of sleep duration provides a reliable measure for evaluating how sleep regulates innate immunity. Here we report a modified sleep deprivation paradigm (SD) that can constantly awaken the mice with more than 95% efficiency, and investigate the effects of prolonged sleep deprivation on mice's immune systems.

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Transcription profiling of whole Drosophila brains fron animals exposed to sleep deprivation

Project description:Analysis of brain of Canton-S females deprived of sleep by perturbations during their normal sleep period. Perturbation effect also assessed during their active period to control for its effect during sleep deprivation. Results suggest processes altered during prolonged wakefulness and during sleep.

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EphA4 is Involved in Sleep Regulation But Not in the Electrophysiological Response to Sleep Deprivation

Project description:Here, we investigated the role of EphA4 in the molecular response to sleep deprivation by measuring forebrain gene expression in EphA4 KO mice. More precisely, we measured the effect of the mutation and of a 6-h sleep deprivation on genome-wide forebrain gene expression using microarray. Please cite the original paper when you use these data (Freyburger et al., Sleep, 2016)

2016-01-29 | GSE77393 | GEO

Gene expression in brain Homer1a-expressing cells after sleep deprivation

Project description:To gain insight into the molecular changes of sleep need, this study addresses gene expression changes in a subpopulation of neurons selectively activated by sleep deprivation. Whole brain expression analyses after 6h sleep deprivation clearly indicate that Homer1a is the best index of sleep need, consistently in all mouse strains analyzed. Transgenic mice expressing a FLAG-tagged poly(A)-binding protein (PABP) under the control of Homer1a promoter were generated. Because PABP binds the poly(A) tails of mRNA, affinity purification of FLAG-tagged PABP proteins from whole brain lysates, is expected to co-precipitate all mRNAs from neurons expressing Homer1a. Three other activity-induced genes (Ptgs2, Jph3, and Nptx2) were identified by this technique to be over-expressed after sleep loss. All four genes play a role in recovery from glutamate-induced neuronal hyperactivity. The consistent activation of Homer1a suggests a role for sleep in intracellular calcium homeostasis for protecting and recovering from the neuronal activation imposed by wakefulness. Keywords: sleep deprivation, neuronal subpopulation transcriptome

2007-12-07 | GSE9443 | GEO

Disruption of Circadian Transcriptome in Lung by Acute Sleep Deprivation

Project description:Inadequate sleep prevails in modern society and it impairs the circadian transcriptome. However, whether acute sleep deprivation has impact on the circadian rhythms is not clear. Here, we show that in mouse lung, a 10-hour acute sleep deprivation can alter the circadian expression of approximally 3,000 genes. We found that circadian rhythm disappears in genes related to metabolism and signaling pathways regulating protein phosphorylation after acute sleep deprivation, while the core circadian regulators do not change much in rhythmicity. Importantly, the strong positive correlation between mean expression and amplitude (E-A correlation) of cycling genes has been validated in both control and sleep deprivation conditions, supporting the energetic cost optimization model of circadian gene expression. Thus, we reveal that acute sleep deprivation leads to a profound change in the circadian gene transcription that influences the biological functions in lung.

2021-02-09 | GSE166335 | GEO

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