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https://www.readbyqxmd.com/read/28821016/expression-of-interferon-inducible-chemokines-and-sleep-wake-changes-during-early-encephalitis-in-experimental-african-trypanosomiasis
#1
Claudia Laperchia, Chiara Tesoriero, Paul F Seke-Etet, Valentina La Verde, Valeria Colavito, Gigliola Grassi-Zucconi, Jean Rodgers, Paul Montague, Peter G E Kennedy, Marina Bentivoglio
BACKGROUND: Human African trypanosomiasis or sleeping sickness, caused by the parasite Trypanosoma brucei, leads to neuroinflammation and characteristic sleep/wake alterations. The relationship between the onset of these alterations and the development of neuroinflammation is of high translational relevance, but remains unclear. This study investigates the expression of interferon (IFN)-γ and IFN-inducible chemokine genes in the brain, and the levels of CXCL10 in the serum and cerebrospinal fluid prior to and during the encephalitic stage of trypanosome infection, and correlates these with sleep/wake changes in a rat model of the disease...
August 18, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28812302/management-of-sleep-wake-disturbances-comorbid-with-cancer
#2
Ann M Berger, Ellyn E Matthews, Ashley M Kenkel
It is critical that clinicians and healthcare systems adopt routine screening and affordable interventions to reduce chronic insomnia and improve the quality of life in cancer patients and survivors. We provide expert clinical advice on how to manage sleep-wake disturbances that occur comorbidly with cancer. Our discussion focuses on the etiology, screening, and assessment of sleep-wake disturbances, and on both nonpharmacologic and pharmacologic interventions to manage sleep disturbances, insomnia, and sleep-related breathing disorders...
August 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/28810987/deployment-length-inflammatory-markers-and-ambulatory-blood-pressure-in-military-couples
#3
Stephanie Brooks Holliday, Amy DeSantis, Anne Germain, Daniel J Buysse, Karen A Matthews, Wendy M Troxel
INTRODUCTION: Changes in the frequency, duration, and nature of military deployments over the past 14 years have spurred efforts to understand the effects of deployment on the health of military service members and their spouses. However, few studies have examined the impact of deployments on health outcomes in both veterans and their partners. This study aims to examine the association between deployment length and health, including ambulatory blood pressure (BP) and stress-related markers of inflammation, in military veterans and their spouses...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28809797/optogenetic-investigation-of-arousal-circuits
#4
REVIEW
Susan M Tyree, Luis de Lecea
Modulation between sleep and wake states is controlled by a number of heterogeneous neuron populations. Due to the topological proximity and genetic co-localization of the neurons underlying sleep-wake state modulation optogenetic methods offer a significant improvement in the ability to benefit from both the precision of genetic targeting and millisecond temporal control. Beginning with an overview of the neuron populations mediating arousal, this review outlines the progress that has been made in the investigation of arousal circuits since the incorporation of optogenetic techniques and the first in vivo application of optogenetic stimulation in hypocretin neurons in the lateral hypothalamus...
August 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28808490/the-influence-of-intermittent-fasting-on-the-circadian-pattern-of-melatonin-while-controlling-for-caloric-intake-energy-expenditure-light-exposure-and-sleep-schedules-a-preliminary-report
#5
Aljohara S Almeneessier, Ahmed S Bahammam, Munir M Sharif, Salman A Bahammam, Samar Z Nashwan, Seithikurippu R Pandi Perumal, Daniel P Cardinali, Mohammad Alzoghaibi
AIMS: We hypothesized that if we control for food composition, caloric intake, light exposure, sleep schedule, and exercise, intermittent fasting would not influence the circadian pattern of melatonin. Therefore, we designed this study to assess the effect of intermittent fasting on the circadian pattern of melatonin. METHODS: Eight healthy volunteers with a mean age of 26.6 ± 4.9 years and body mass index of 23.7 ± 3.5 kg/m(2) reported to the Sleep Disorders Center (the laboratory) on four occasions: (1) adaptation, (2) 4 weeks before Ramadan while performing Islamic intermittent fasting for 1 week (fasting outside Ramadan [FOR]), (3) 1 week before Ramadan (nonfasting baseline [BL]), and (4) during the 2(nd) week of Ramadan while fasting (Ramadan)...
July 2017: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/28806907/effect-of-acupuncture-and-its-influence-on-cerebral-activity-in-perimenopausal-insomniacs-study-protocol-for-a-randomized-controlled-trial
#6
Xiao Wu, Wei Zhang, Yuanyuan Qin, Xuguang Liu, Zhengyan Wang
BACKGROUND: Perimenopausal insomnia is one of the core symptoms of the menopausal transition. Acupuncture is considered to exert a positive effect on restoring the normal sleep-wake cycle. However, there is little intuitive evidence besides evaluation using clinical effectiveness scales. We therefore designed this study, aiming to use more intuitive and reliable detection techniques such as functional magnetic resonance imaging before and after applying acupuncture to provide neuroimaging evidence, as well as to verify the effectiveness with other curative effect indicators...
August 14, 2017: Trials
https://www.readbyqxmd.com/read/28795023/leptocarpus-disjunctus-prolongs-sleeping-time-and-increases-nonrapid-eye-movement-sleep-with-additional-anxiolytic-capacity
#7
Watchara Damjuti, Thanes Fuangfoo, Chanida Palanuvej, Tingli Li, Nijsiri Ruangrungsi
Leptocarpus disjunctus Mast. (Restionaceae) is an edible plant which has indigenous warnings regarding its side effects which can manifest as dizziness. This study investigated hypnotic and anxiolytic properties using several animal models. Anxiolytic activities were evaluated using locomotor determination by elevated plus-maze test, open-field test, and rotarod performance test. Hypnotic activities were performed using pentobarbital sodium-induced sleeping time test. Sleep architecture and quality were obtained from sleep-wake analysis and nonrapid eye movement (NREM) delta activity using electroencephalography...
July 2017: Journal of Advanced Pharmaceutical Technology & Research
https://www.readbyqxmd.com/read/28793784/factors-associated-with-preterm-infants-circadian-sleep-wake-patterns-at-the-hospital
#8
Hsiang-Yun Lan, Ti Yin, Jyu-Lin Chen, Yue-Cune Chang, Jen-Jiuan Liaw
This prospective repeated-measures study explored potential factors (postmenstrual age, body weight, gender, chronological age, illness severity, and circadian rhythm) related to preterm infants' circadian sleep/wake patterns. Circadian sleep/wake patterns were measured using an Actiwatch for 3 continuous days in preterm infants (gestational age of 28-36.4 weeks) in a neonatal intensive care unit and hospital nursery. Potential factors associated with circadian sleep/wake patterns were analyzed using the generalized estimating equation...
August 1, 2017: Clinical Nursing Research
https://www.readbyqxmd.com/read/28777369/-obstructive-sleep-apnea-syndrome-and-age-related-hypohonadism
#9
I M Madaeva, O N Berdina, N V Semenova, V V Madaev, L V Rychkova, L I Kolesnikova
BACKGROUND: Obstructive sleep apnea syndrome (OSAS) is a common disease that causes a different spectrum of life processes violations in the continuum of 'sleep-wakefulness'. OSAS in combination with age-specific hypogonadism as a systemic pathology requires certain interdisciplinary approaches involving both the correction of the obstruction, and testosterone therapy in men with hypogonadism. AIM: Assessment of the effect of combined use of CPAP (Continuous Positive Airway Pressure) and testosterone replacement therapy (transdermal form - Androgel) on indicators of polysomnography monitoring (PSG) with simultaneous study of erectile function and testosterone secretion...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28777358/-functional-neurochemistry-of-sleep-waking-cycle-in-pathogenesis-of-neurological-diseases
#10
REVIEW
V M Kovalzon
Novel experimental data concerning the function of the basic cerebral neuromediator systems which take part in arousal reactions and waking maintenance are regarding in the review.
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28777180/sleep-wake-disorders-of-childhood
#11
Suresh Kotagal
PURPOSE OF REVIEW: Sleep-wake disorders occur in 10% to 28% of children and differ somewhat in pathophysiology and management from sleep-wake disorders in adults. This article discusses the diagnosis and management of key childhood sleep disorders. RECENT FINDINGS: The role of sleep in memory consolidation and in the facilitation of learning has been increasingly recognized, even at the toddler stage. Cataplexy, a key feature of narcolepsy type 1, may be subtle in childhood and characterized by transient muscle weakness isolated to the face...
August 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28777176/circadian-rhythm-sleep-wake-disorders
#12
Milena Pavlova
PURPOSE OF REVIEW: The endogenous circadian rhythms are one of the cardinal processes that control sleep. They are self-sustaining biological rhythms with a periodicity of approximately 24 hours that may be entrained by external zeitgebers (German for time givers), such as light, exercise, and meal times. This article discusses the physiology of the circadian rhythms, their relationship to neurologic disease, and the presentation and treatment of circadian rhythm sleep-wake disorders...
August 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28777170/brain-circuitry-controlling-sleep-and-wakefulness
#13
Richard L Horner, John H Peever
PURPOSE OF REVIEW: This article outlines the fundamental brain mechanisms that control sleep-wake patterns and reviews how pathologic changes in these control mechanisms contribute to common sleep disorders. RECENT FINDINGS: Discrete but interconnected clusters of cells located within the brainstem and hypothalamus comprise the circuits that generate wakefulness, non-rapid eye movement (non-REM) sleep, and REM sleep. These clusters of cells use specific neurotransmitters, or collections of neurotransmitters, to inhibit or excite their respective sleep- and wake-promoting target sites...
August 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28769767/pannexins-are-potential-new-players-in-the-regulation-of-cerebral-homeostasis-during-sleep-wake-cycle
#14
Valery I Shestopalov, Yuri Panchin, Olga S Tarasova, Dina Gaynullina, Vladimir M Kovalzon
During brain homeostasis, both neurons and astroglia release ATP that is rapidly converted to adenosine in the extracellular space. Pannexin-1 (Panx1) hemichannels represent a major conduit of non-vesicular ATP release from brain cells. Previous studies have shown that Panx1(-/-) mice possess severe disruption of the sleep-wake cycle. Here, we review experimental data supporting the involvement of pannexins (Panx) in the coordination of fundamental sleep-associated brain processes, such as neuronal activity and regulation of cerebrovascular tone...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28767209/preventive-effects-of-suvorexant-on-delirium-a-randomized-placebo-controlled-trial
#15
Kotaro Hatta, Yasuhiro Kishi, Ken Wada, Takashi Takeuchi, Shigeo Ito, Akiko Kurata, Kazunori Murakami, Manabu Sugita, Chie Usui, Hiroyuki Nakamura
OBJECTIVE: No highly effective pharmacologic interventions to prevent delirium have been identified. We examined whether suvorexant, a potent and selective orexin receptor antagonist, is effective for the prevention of delirium. METHODS: We conducted a multicenter, rater-blinded, randomized, placebo-controlled clinical trial in intensive care units and regular acute wards between April 2015 and March 2016. Eligible patients were 65 to 89 years old, newly admitted due to emergency, and able to take medicine orally and had an expected stay or life expectancy of 48 hours or more...
August 1, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28762870/increased-sleep-need-and-reduction-of-tuberomammillary-histamine-neurons-after-rodent-traumatic-brain-injury
#16
Daniela Noain, Fabian Büchele, Sebastian R Schreglmann, Philipp O Valko, Yuri Gavrilov, Marta M Morawska, Lukas L Imbach, Christian R Baumann
Although sleep-wake disturbances are prevalent and well-described after traumatic brain injury, their pathophysiology remains unclear, most likely because human traumatic brain injury is a highly heterogeneous entity which makes the systematic study of sleep-wake disturbances in relation to trauma-induced histological changes a challenging task. Despite increasing interest, specific and effective treatment strategies for posttraumatic sleep-wake disturbances are still missing. With the present work, therefore, we aimed at studying acute and chronic sleep-wake disturbances by electrophysiological means, and at assessing their histological correlates after closed diffuse traumatic brain injury in rats with the ultimate goal of generating a model of posttraumatic sleep-wake disturbances and associated histopathological findings that accurately represents the human condition...
August 1, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28761043/diurnal-preference-mood-and-the-response-to-morning-light-in-relation-to-polymorphisms-in-the-human-clock-gene-per3
#17
M Turco, A Biscontin, M Corrias, L Caccin, M Bano, F Chiaromanni, M Salamanca, D Mattei, C Salvoro, G Mazzotta, C De Pittà, B Middleton, D J Skene, S Montagnese, R Costa
PER3 gene polymorphisms have been associated with differences in human sleep-wake phenotypes, and sensitivity to light. The aims of this study were to assess: i) the frequency of allelic variants at two PER3 polymorphic sites (rs57875989 length polymorphism: PER3 (4), PER3 (5); rs228697 SNP: PER3 (C), PER3 (G)) in relation to sleep-wake timing; ii) the effect of morning light on behavioural/circadian variables in PER3 (4) /PER3 (4) and PER3 (5) /PER3 (5) homozygotes. 786 Caucasian subjects living in Northern Italy donated buccal DNA and completed diurnal preference, sleep quality/timing and sleepiness/mood questionnaires...
July 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28757114/sex-differences-in-age-related-changes-in-the-sleep-wake-cycle
#18
REVIEW
Julie Carrier, Kazue Semba, Samuel Deurveilher, Lauren Drogos, Jessica Cyr-Cronier, Catherine Lord, Zoran Sekerovick
Age-related changes in sleep and circadian regulation occur as early as the middle years of life. Research also suggests that sleep and circadian rhythms are regulated differently between women and men. However, does sleep and circadian rhythms regulation age similarly in men and women? In this review, we present the mechanisms underlying age-related differences in sleep and the current state of knowledge on how they interact with sex. We also address how testosterone, estrogens, and progesterone fluctuations across adulthood interact with sleep and circadian regulation...
July 27, 2017: Frontiers in Neuroendocrinology
https://www.readbyqxmd.com/read/28745914/staying-awake-and-aware-the-importance-of-sleep-in-psychiatric-nursing-practice
#19
Thomas Tobin, Mary L Tobin
Given that approximately 70 million Americans suffer from sleep-wake disorders and their under-recognized role in practice, psychiatric nurses may see, or may be already seeing, patients with undiagnosed sleep disorders. Assessment of sleep-wake disorders can and should be a part of psychiatric nursing education and practice. Many practicing clinicians lack formal training regarding sleep-wake issues and treatment. Even as sleep disturbances are common concerns among psychiatric populations, sleep-wake issues may go unrecognized...
July 26, 2017: Issues in Mental Health Nursing
https://www.readbyqxmd.com/read/28745529/sleepiness-and-behavioral-risk-taking-do-sleepy-people-take-more-or-less-risk
#20
Garrett Hisler, Zlatan Krizan
BACKGROUND: Although sleep loss has been implicated in risk-taking behavior, it is unclear how individuals' current propensity to fall asleep, known as sleepiness, influences risk-taking. Because sleepiness is not only driven by recent sleep but also by factors such as circadian rhythm and current stimulation, it may be an important contributor to risk-taking as it reflects the more immediate sleep-wake state. PARTICIPANTS: 130 participants were recruited from a large Midwestern U...
July 26, 2017: Behavioral Sleep Medicine
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