Neurobiology of Sleep and Circadian Rhythms最新文献

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Effects of age and sex on photoperiod modulation of nucleus accumbens monoamine content and release in adolescence and adulthood 年龄和性别对青春期和成年期核团单胺含量和释放的光周期调节作用的影响
Neurobiology of Sleep and Circadian Rhythms Pub Date : 2024-03-26 DOI: 10.1016/j.nbscr.2024.100103
Alexis N. Jameson , Justin K. Siemann , Carrie A. Grueter , BradA. Grueter , Douglas G. McMahon
{"title":"Effects of age and sex on photoperiod modulation of nucleus accumbens monoamine content and release in adolescence and adulthood","authors":"Alexis N. Jameson ,&nbsp;Justin K. Siemann ,&nbsp;Carrie A. Grueter ,&nbsp;BradA. Grueter ,&nbsp;Douglas G. McMahon","doi":"10.1016/j.nbscr.2024.100103","DOIUrl":"https://doi.org/10.1016/j.nbscr.2024.100103","url":null,"abstract":"<div><p>Day length, or photoperiod, is a reliable environmental cue encoded by the brain's circadian clock that indicates changing seasons and induces seasonal biological processes. In humans, photoperiod, age, and sex have been linked to seasonality in neuropsychiatric disorders, as seen in Seasonal Affective Disorder, Major Depressive Disorder, and Bipolar Disorder. The nucleus accumbens is a key locus for the regulation of motivated behaviors and neuropsychiatric disorders. Using periadolescent and young adult male and female mice, here we assessed photoperiod's effect on serotonin and dopamine tissue content in the nucleus accumbens core, as well as on accumbal synaptic dopamine release and uptake. We found greater serotonin and dopamine tissue content in the nucleus accumbens from young adult mice raised in a Short winter-like photoperiod. In addition, dopamine release and clearance were greater in the nucleus accumbens from young adult mice raised in a Long summer-like photoperiod. Importantly, we found that photoperiod's effects on accumbal dopamine tissue content and release were sex-specific to young adult females. These findings support that in mice there are interactions across age, sex, and photoperiod that impact critical monoamine neuromodulators in the nucleus accumbens which may provide mechanistic insight into the age and sex dependencies in seasonality of neuropsychiatric disorders in humans.</p></div>","PeriodicalId":37827,"journal":{"name":"Neurobiology of Sleep and Circadian Rhythms","volume":"16 ","pages":"Article 100103"},"PeriodicalIF":0.0,"publicationDate":"2024-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2451994424000014/pdfft?md5=7e9b52ffbf8421282f84bc3195a513c5&pid=1-s2.0-S2451994424000014-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140309605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The impact of long haul travel on the sleep of elite athletes 长途旅行对优秀运动员睡眠的影响
Neurobiology of Sleep and Circadian Rhythms Pub Date : 2023-09-20 DOI: 10.1016/j.nbscr.2023.100102
R. Doherty , S.M. Madigan , A. Nevill , G. Warrington , J.G. Ellis
{"title":"The impact of long haul travel on the sleep of elite athletes","authors":"R. Doherty ,&nbsp;S.M. Madigan ,&nbsp;A. Nevill ,&nbsp;G. Warrington ,&nbsp;J.G. Ellis","doi":"10.1016/j.nbscr.2023.100102","DOIUrl":"10.1016/j.nbscr.2023.100102","url":null,"abstract":"<div><p>In order to manage and implement strategies to alleviate the symptoms of jet lag it is essential to assess the impact of jet lag in athletes. The aim of this study was to assess the impact of long haul eastward travel on elite athletes' (n = 7 elite national track cyclists; male n = 3, and female n = 4) sleep. The athletes’ sleep was monitored before, during and after travel using both actigraphy and self-report measures. Participants wore an activity monitor for 5 days prior to travel, during the long haul travel and 5 days upon arrival at their destination and completed a daily online sleep diary Actigraphy highlighted significant reductions in time in bed, total sleep time and sleep efficiency (%) due to long haul eastward travel, particularly in the 48 h after travel. Sleep diary data exhibited significant reductions in time in bed, total sleep time, sleep efficiency, sleep quality and a significant increase in fatigue going to bed as a result of long haul eastward travel. In order to facilitate the development of interventions to reduce the symptoms and severity of jet lag objective and subjective assessments of sleep should be coupled with assessments of chronotype and perceived sleep need.</p></div>","PeriodicalId":37827,"journal":{"name":"Neurobiology of Sleep and Circadian Rhythms","volume":"15 ","pages":"Article 100102"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10520441/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41145816","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Neurofibromin 1 regulates early developmental sleep in Drosophila 神经纤维蛋白1调节果蝇早期发育睡眠
Neurobiology of Sleep and Circadian Rhythms Pub Date : 2023-08-09 DOI: 10.1016/j.nbscr.2023.100101
Jaclyn Durkin , Amy R. Poe , Samuel J. Belfer , Anyara Rodriguez , Si Hao Tang , James A. Walker , Matthew S. Kayser
{"title":"Neurofibromin 1 regulates early developmental sleep in Drosophila","authors":"Jaclyn Durkin ,&nbsp;Amy R. Poe ,&nbsp;Samuel J. Belfer ,&nbsp;Anyara Rodriguez ,&nbsp;Si Hao Tang ,&nbsp;James A. Walker ,&nbsp;Matthew S. Kayser","doi":"10.1016/j.nbscr.2023.100101","DOIUrl":"https://doi.org/10.1016/j.nbscr.2023.100101","url":null,"abstract":"<div><p>Sleep disturbances are common in neurodevelopmental disorders, but knowledge of molecular factors that govern sleep in young animals is lacking. Evidence across species, including <em>Drosophila</em>, suggests that juvenile sleep has distinct functions and regulatory mechanisms in comparison to sleep in maturity. In flies, manipulation of most known adult sleep regulatory genes is not associated with sleep phenotypes during early developmental (larval) stages. Here, we examine the role of the neurodevelopmental disorder-associated gene <em>Neurofibromin 1</em> (<em>Nf1</em>) in sleep during numerous developmental periods. Mutations in <em>Neurofibromin 1</em> (<em>Nf1</em>) are associated with sleep and circadian disorders in humans and adult flies. We find in flies that <em>Nf1</em> acts to regulate sleep across the lifespan, beginning during larval stages. <em>Nf1</em> is required in neurons for this function, as is signaling via the Alk pathway. These findings identify <em>Nf1</em> as one of a small number of genes positioned to regulate sleep across developmental periods.</p></div>","PeriodicalId":37827,"journal":{"name":"Neurobiology of Sleep and Circadian Rhythms","volume":"15 ","pages":"Article 100101"},"PeriodicalIF":0.0,"publicationDate":"2023-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50171060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The unified theory of sleep: Eukaryotes endosymbiotic relationship with mitochondria and REM the push-back response for awakening 统一的睡眠理论:真核生物与线粒体和快速眼动的内共生关系——觉醒的推回反应
Neurobiology of Sleep and Circadian Rhythms Pub Date : 2023-07-06 DOI: 10.1016/j.nbscr.2023.100100
Graham Joseph Adams , Philip A. O'Brien
{"title":"The unified theory of sleep: Eukaryotes endosymbiotic relationship with mitochondria and REM the push-back response for awakening","authors":"Graham Joseph Adams ,&nbsp;Philip A. O'Brien","doi":"10.1016/j.nbscr.2023.100100","DOIUrl":"10.1016/j.nbscr.2023.100100","url":null,"abstract":"<div><p>The Unified Theory suggests that sleep is a process that developed in eukaryotic animals from a relationship with an endosymbiotic bacterium. Over evolutionary time the bacterium evolved into the modern mitochondrion that continues to exert an effect on sleep patterns, e.g. the bacterium <em>Wolbachia</em> establishes an endosymbiotic relationship with Drosophila and many other species of insects and is able to change the host's behaviour by making it sleep. The hypothesis is supported by other host-parasite relationships, e.g., <em>Trypanosoma brucei</em> which causes day-time sleepiness and night-time insomnia in humans and cattle. For eukaryotes such as Monocercomonoids that don't contain mitochondria we find no evidence of them sleeping.</p><p>Mitochondria produce the neurotransmitter gamma aminobutyric acid (GABA), and ornithine a precursor of the neurotransmitter GABA, together with substances such as 3,4dihydroxy phenylalanine (DOPA) a precursor for the neurotransmitter dopamine: These substances have been shown to affect the sleep/wake cycles in animals such as <em>Drosophilia</em> and <em>Hydra.</em></p><p>Eukaryote animals have traded the very positive side of having mitochondria providing aerobic respiration for them with the negative side of having to sleep. NREM (Quiet sleep) is the process endosymbionts have imposed upon their host eukaryotes and REM (Active sleep) is the push-back adaptation of eukaryotes with brains, returning to wakefulness.</p></div>","PeriodicalId":37827,"journal":{"name":"Neurobiology of Sleep and Circadian Rhythms","volume":"15 ","pages":"Article 100100"},"PeriodicalIF":0.0,"publicationDate":"2023-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/38/db/main.PMC10362302.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9867118","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lack of association between behavioral development and simplified topographical markers of the sleep EEG in infancy 婴儿期行为发展和睡眠脑电图简化地形标志物之间缺乏相关性
Neurobiology of Sleep and Circadian Rhythms Pub Date : 2023-06-19 DOI: 10.1016/j.nbscr.2023.100098
Matthieu Beaugrand , Valeria Jaramillo , Andjela Markovic , Reto Huber , Malcolm Kohler , Sarah F. Schoch , Salome Kurth
{"title":"Lack of association between behavioral development and simplified topographical markers of the sleep EEG in infancy","authors":"Matthieu Beaugrand ,&nbsp;Valeria Jaramillo ,&nbsp;Andjela Markovic ,&nbsp;Reto Huber ,&nbsp;Malcolm Kohler ,&nbsp;Sarah F. Schoch ,&nbsp;Salome Kurth","doi":"10.1016/j.nbscr.2023.100098","DOIUrl":"10.1016/j.nbscr.2023.100098","url":null,"abstract":"<div><p>The sleep EEG mirrors neuronal connectivity, especially during development when the brain undergoes substantial rewiring. As children grow, the slow-wave activity (SWA; 0.75–4.25 Hz) spatial distribution in their sleep EEG changes along a posterior-to-anterior gradient. Topographical SWA markers have been linked to critical neurobehavioral functions, such as motor skills, in school-aged children. However, the relationship between topographical markers in infancy and later behavioral outcomes is still unclear. This study aims to explore reliable indicators of neurodevelopment in infants by analyzing their sleep EEG patterns. Thirty-one 6-month-old infants (15 female) underwent high-density EEG recordings during nighttime sleep. We defined markers based on the topographical distribution of SWA and theta activity, including central/occipital and frontal/occipital ratios and an index derived from local EEG power variability. Linear models were applied to test whether markers relate to concurrent, later, or retrospective behavioral scores, assessed by the parent-reported Ages &amp; Stages Questionnaire at ages 3, 6, 12, and 24 months. Results indicate that the topographical markers of the sleep EEG power in infants were not significantly linked to behavioral development at any age. Further research, such as longitudinal sleep EEG in newborns, is needed to better understand the relationship between these markers and behavioral development and assess their predictive value for individual differences.</p></div>","PeriodicalId":37827,"journal":{"name":"Neurobiology of Sleep and Circadian Rhythms","volume":"15 ","pages":"Article 100098"},"PeriodicalIF":0.0,"publicationDate":"2023-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/06/eb/main.PMC10329166.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9799557","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cardiorespiratory changes associated with micro-arousals during naps 小睡时与微觉醒相关的心肺变化
Neurobiology of Sleep and Circadian Rhythms Pub Date : 2023-05-01 DOI: 10.1016/j.nbscr.2023.100093
Elpidio Attoh-Mensah, Ivan Igor-Gaez, Lydie Vincent, Nicolas Bessot, Clément Nathou, Olivier Etard
{"title":"Cardiorespiratory changes associated with micro-arousals during naps","authors":"Elpidio Attoh-Mensah,&nbsp;Ivan Igor-Gaez,&nbsp;Lydie Vincent,&nbsp;Nicolas Bessot,&nbsp;Clément Nathou,&nbsp;Olivier Etard","doi":"10.1016/j.nbscr.2023.100093","DOIUrl":"10.1016/j.nbscr.2023.100093","url":null,"abstract":"<div><p>The autonomic nervous system (ANS) and the central nervous system (CNS) interplay during sleep, particularly during phasic events such as micro-arousals, has been the subject of several studies. The underlying mechanisms of such relationship which remain unclear, specifically during daytime sleep, were partly investigated in this study. Napping polysomnography was performed on two occasions at least one week apart in 15 healthy subjects. The following cardiorespiratory variables were extracted from the recordings: tachogram, pulse transit time (PTT), pulse wave amplitude, respiratory cycle amplitude, and frequency. Two experts first detected micro-arousal events, then, cardiorespiratory variables were averaged by 30-s epochs over 2 min centered on the onset of the micro-arousals. We found that in the 30 s preceding the arousal events as detected on the electroencephalogram (EEG) recordings, there was a decrease in tachogram, pulse wave amplitude, and PTT values while the respiratory amplitude increased. These changes were more prominent in stage N2 and N3 sleep than in stage N1. The present findings provide new insights into the autonomic changes during the pre-arousal period in daytime naps, as all the variables investigated suggest a sympathetic physiological origin for the changes.</p></div>","PeriodicalId":37827,"journal":{"name":"Neurobiology of Sleep and Circadian Rhythms","volume":"14 ","pages":"Article 100093"},"PeriodicalIF":0.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/fc/af/main.PMC10038786.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9198262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Activation of mGluR1 negatively modulates glutamate-induced phase shifts of the circadian pacemaker in the mouse suprachiasmatic nucleus mGluR1的激活负调控谷氨酸诱导的小鼠视交叉上核昼夜节律起搏器的相移
Neurobiology of Sleep and Circadian Rhythms Pub Date : 2023-05-01 DOI: 10.1016/j.nbscr.2023.100089
Yoon Sik Kim , C Justin Lee , Ji-Hyeon Kim , Young-Beom Kim , Christopher S. Colwell , Yang In Kim
{"title":"Activation of mGluR1 negatively modulates glutamate-induced phase shifts of the circadian pacemaker in the mouse suprachiasmatic nucleus","authors":"Yoon Sik Kim ,&nbsp;C Justin Lee ,&nbsp;Ji-Hyeon Kim ,&nbsp;Young-Beom Kim ,&nbsp;Christopher S. Colwell ,&nbsp;Yang In Kim","doi":"10.1016/j.nbscr.2023.100089","DOIUrl":"10.1016/j.nbscr.2023.100089","url":null,"abstract":"<div><p>In mammals, photic information delivered to the suprachiasmatic nucleus (SCN) via the retinohypothalamic tract (RHT) plays a crucial role in synchronizing the master circadian clock located in the SCN to the solar cycle. It is well known that glutamate released from the RHT terminals initiates the synchronizing process by activating ionotropic glutamate receptors (iGluRs) on retinorecipient SCN neurons. The potential role of metabotropic glutamate receptors (mGluRs) in modulating this signaling pathway has received less attention. In this study, using extracellular single-unit recordings in mouse SCN slices, we investigated the possible roles of the G<sub>q/11</sub> protein-coupled mGluRs, mGluR1 and mGluR5, in photic resetting. We found that mGluR1 activation in the early night produced phase advances in neural activity rhythms in the SCN, while activation in the late night produced phase delays. In contrast, mGluR5 activation had no significant effect on the phase of these rhythms. Interestingly, mGluR1 activation antagonized phase shifts induced by glutamate through a mechanism that was dependent upon Ca<sub>V</sub>1.3 L-type voltage-gated Ca<sup>2+</sup> channels (VGCCs). While both mGluR1-evoked phase delays and advances were inhibited by knockout (KO) of Ca<sub>V</sub>1.3 L-type VGCCs, different signaling pathways appeared to be involved in mediating these effects, with mGluR1 working via protein kinase G in the early night and via protein kinase A signaling in the late night. We conclude that, in the mouse SCN, mGluR1s function to negatively modulate glutamate-evoked phase shifts.</p></div>","PeriodicalId":37827,"journal":{"name":"Neurobiology of Sleep and Circadian Rhythms","volume":"14 ","pages":"Article 100089"},"PeriodicalIF":0.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/81/4a/main.PMC9982032.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10845568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ontogenesis of the molecular response to sleep loss 睡眠损失分子反应的个体发生
Neurobiology of Sleep and Circadian Rhythms Pub Date : 2023-05-01 DOI: 10.1016/j.nbscr.2023.100092
Christine M. Muheim , Kaitlyn Ford , Elizabeth Medina , Kristan Singletary , Lucia Peixoto , Marcos G. Frank
{"title":"Ontogenesis of the molecular response to sleep loss","authors":"Christine M. Muheim ,&nbsp;Kaitlyn Ford ,&nbsp;Elizabeth Medina ,&nbsp;Kristan Singletary ,&nbsp;Lucia Peixoto ,&nbsp;Marcos G. Frank","doi":"10.1016/j.nbscr.2023.100092","DOIUrl":"10.1016/j.nbscr.2023.100092","url":null,"abstract":"<div><p>Sleep deprivation (SD) results in profound cellular and molecular changes in the adult mammalian brain. Some of these changes may result in, or aggravate, brain disease. However, little is known about how SD impacts gene expression in developing animals. We examined the transcriptional response in the prefrontal cortex (PFC) to SD across postnatal development in male mice. We used RNA sequencing to identify functional gene categories that were specifically impacted by SD. We find that SD has dramatically different effects on PFC genes depending on developmental age. Gene expression differences after SD fall into 3 categories: present at all ages (conserved), present when mature sleep homeostasis is first emerging, and those unique to certain ages. Developmentally conserved gene expression was limited to a few functional categories, including Wnt-signaling which suggests that this pathway is a core mechanism regulated by sleep. In younger ages, genes primarily related to growth and development are affected while changes in genes related to metabolism are specific to the effect of SD in adults.</p></div>","PeriodicalId":37827,"journal":{"name":"Neurobiology of Sleep and Circadian Rhythms","volume":"14 ","pages":"Article 100092"},"PeriodicalIF":0.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10068260/pdf/main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9765223","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Loss of sleep when it is needed most – Consequences of persistent developmental sleep disruption: A scoping review of rodent models 最需要睡眠的时候睡眠不足——持续发育性睡眠中断的后果:啮齿动物模型的范围界定综述
Neurobiology of Sleep and Circadian Rhythms Pub Date : 2023-05-01 DOI: 10.1016/j.nbscr.2022.100085
Noah E.P. Milman , Carolyn E. Tinsley , Ravikiran M. Raju , Miranda M. Lim
{"title":"Loss of sleep when it is needed most – Consequences of persistent developmental sleep disruption: A scoping review of rodent models","authors":"Noah E.P. Milman ,&nbsp;Carolyn E. Tinsley ,&nbsp;Ravikiran M. Raju ,&nbsp;Miranda M. Lim","doi":"10.1016/j.nbscr.2022.100085","DOIUrl":"10.1016/j.nbscr.2022.100085","url":null,"abstract":"<div><p>Sleep is an essential component of development. Developmental sleep disruption (DSD) impacts brain maturation and has been associated with significant consequences on socio-emotional development. In humans, poor sleep during infancy and adolescence affects neurodevelopmental outcomes and may be a risk factor for the development of autism spectrum disorder (ASD) or other neuropsychiatric illness. Given the wide-reaching and enduring consequences of DSD, identifying underlying mechanisms is critical to best inform interventions with translational capacity. In rodents, studies have identified some mechanisms and neural circuits by which DSD causes later social, emotional, sensorimotor, and cognitive changes. However, these studies spanned methodological differences, including different developmental timepoints for both sleep disruption and testing, different DSD paradigms, and even different rodent species. In this scoping review on DSD in rodents, we synthesize these various studies into a cohesive framework to identify common neural mechanisms underlying DSD-induced dysfunction in brain and behavior. Ultimately, this review serves the goal to inform the generation of novel translational interventions for human developmental disorders featuring sleep disruption.</p></div>","PeriodicalId":37827,"journal":{"name":"Neurobiology of Sleep and Circadian Rhythms","volume":"14 ","pages":"Article 100085"},"PeriodicalIF":0.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/4b/98/main.PMC9768382.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9999871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Repetitive mild traumatic brain injury alters central and peripheral clock gene expression in the adolescent rat 重复性轻度创伤性脑损伤改变青少年大鼠中枢和外周时钟基因表达
Neurobiology of Sleep and Circadian Rhythms Pub Date : 2023-05-01 DOI: 10.1016/j.nbscr.2023.100090
Marissa Sgro , Susanne Ellens , Zoe N. Kodila , Jennaya Christensen , Crystal Li , Richelle Mychasiuk , Glenn R. Yamakawa
{"title":"Repetitive mild traumatic brain injury alters central and peripheral clock gene expression in the adolescent rat","authors":"Marissa Sgro ,&nbsp;Susanne Ellens ,&nbsp;Zoe N. Kodila ,&nbsp;Jennaya Christensen ,&nbsp;Crystal Li ,&nbsp;Richelle Mychasiuk ,&nbsp;Glenn R. Yamakawa","doi":"10.1016/j.nbscr.2023.100090","DOIUrl":"10.1016/j.nbscr.2023.100090","url":null,"abstract":"<div><p>Mild traumatic brain injury (mTBI) or concussion is a common injury worldwide leading to substantial medical costs and a high burden on society. In adolescents, falls and sports related trauma are often the causes of mTBI. Importantly, critical brain growth and development occurs during this sensitive period making the prospect of a brain injury a worrying phenomenon. Upwards of 70% of patients report circadian disruption following these injuries and this has been shown to impede recovery. Therefore, we sought to determine if core circadian clock gene expression was disrupted in rat model of repetitive mTBI (RmTBI). Male and female adolescent rats (n = 129) received sham or RmTBI. The animals were then euthanized at different times throughout the day and night. Tissue from the hypothalamus, cerebellum, hippocampus, liver, and small intestine were evaluated for the expression of <em>per1, per2, cry1, clock, bmal1</em> and <em>rev-erb-α</em>. We found most clock genes varied across the day/night indicating circadian expression patterns. In the hypothalamus we found RmTBI altered the expression of <em>cry1</em> and bmal1 in addition to sex differences in <em>per2, cry1, clock, bmal1</em> and <em>rev-erb- α</em>. In the cerebellum, <em>per1</em>, <em>per2</em>, <em>cry1</em>, <em>clock</em>, <em>bmal1</em> and <em>rev-erb-α</em> rhythms were all knocked out by RmTBI in addition to sex differences in <em>cry1</em>, <em>clock</em> and <em>bmal1</em> expression. We also detected a significant decrease in overall expression of all clock genes in males in the middle of the night. In the hippocampus we found that RmTBI changed the rhythm of rev-erb-α expression in addition to sex differences in <em>bmal1</em> expression. In the liver we detected strong rhythms in all genes examined, however only <em>per2</em> expression was knocked out by RmTBI, in addition we also detected sex differences in <em>per2</em> and <em>cry1</em>. We also detected an overall decrease in female clock gene expression in the early night. In the small intestine, RmTBI altered <em>cry1</em> expression and there were sex differences in <em>rev-erb-α</em>. These results indicate that RmTBI alters core circadian clock gene expression in the central and peripheral nervous system in a time, tissue and sex dependent manner. This may be disrupting important phase relationships between the brain and peripheral nervous system and contributing to post-injury symptomology and also highlights the importance for time and sex dependent assessment of injury outcomes.</p></div>","PeriodicalId":37827,"journal":{"name":"Neurobiology of Sleep and Circadian Rhythms","volume":"14 ","pages":"Article 100090"},"PeriodicalIF":0.0,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/b7/00/main.PMC10024151.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9509312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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