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https://www.readbyqxmd.com/read/28078839/widespread-membrane-potential-changes-and-cardiorespiratory-synchronization-involved-in-anxiety-and-sleep-wake-transitions
#1
R Jerath, S M Cearley, M Jensen
Located within the ascending reticular activating system are nuclei which release neurotransmitters such as acetylcholine, serotonin, dopamine, and norepinephrine. These nuclei have widespread projections that extend into the limbic system and throughout cortex. Activation of these neurotransmitters during awake states leads to arousal, while inhibition leads to the loss of consciousness experienced during slow-wave sleep. Previously, we proposed a mechanism in which cardiorespiratory synchronization may underlie the widespread hyperpolarization that occurs throughout the brain during slow-wave sleep...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28077261/ventral-medullary-control-of-rapid-eye-movement-sleep-and-atonia
#2
Michael C Chen, Ramalingam Vetrivelan, Chunni Guo, Catie Chang, Patrick M Fuller, Jun Lu
Discrete populations of neurons at multiple levels of the brainstem control rapid eye movement (REM) sleep and the accompanying loss of postural muscle tone, or atonia. The specific contributions of these brainstem cell populations to REM sleep control remains incompletely understood. Here we show in rats that viral vector-based lesions of the ventromedial medulla at a level rostral to the inferior olive (pSOM) produced violent myoclonic twitches and abnormal electromyographic spikes, but not complete loss of tonic atonia, during REM sleep...
January 7, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28072817/drosophila-clock-is-required-in-brain-pacemaker-neurons-to-prevent-premature-locomotor-aging-independently-of-its-circadian-function
#3
Alexandra Vaccaro, Abdul-Raouf Issa, Laurent Seugnet, Serge Birman, André Klarsfeld
Circadian clocks control many self-sustained rhythms in physiology and behavior with approximately 24-hour periodicity. In many organisms, oxidative stress and aging negatively impact the circadian system and sleep. Conversely, loss of the clock decreases resistance to oxidative stress, and may reduce lifespan and speed up brain aging and neurodegeneration. Here we examined the effects of clock disruptions on locomotor aging and longevity in Drosophila. We found that lifespan was similarly reduced in three arrhythmic mutants (ClkAR, cyc0 and tim0) and in wild-type flies under constant light, which stops the clock...
January 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28070780/laparoscopic-sleeve-gastrectomy-in-adolescents-with-or-without-syndromic-obesity-two-years-follow-up
#4
Angelo Iossa, Francesco De Peppo, Romina Caccamo, Brad Michael Watkins, Francesca Abbatini, Emanuela Ceriati, Gianfranco Silecchia
INTRODUCTION: Childhood obesity is an emerging health problem. Surgical treatment of obese adolescents, particularly those affected by congenital syndrome, represents a controversial issue. The aim of this multicenter study was to retrospectively assess the results of laparoscopic sleeve gastrectomy (LSG) in a cohort of adolescents affected by morbid obesity, with or without congenital syndromes. MATERIALS AND METHODS: Forty-one obese (BMI 49 ± 6 kg/m(2)) adolescents with mean age of 16 ± 3 years (58...
January 9, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/28070566/interleukin-37-expression-in-mice-alters-sleep-responses-to-inflammatory-agents-and-influenza-virus-infection
#5
Christopher J Davis, Mark R Zielinski, Danielle Dunbrasky, Ping Taishi, Charles A Dinarello, James M Krueger
Multiple interactions between the immune system and sleep are known, including the effects of microbial challenge on sleep or the effects of sleep loss on facets of the immune response. Cytokines regulate, in part, sleep and immune responses. Here we examine the role of an anti-inflammatory cytokine, interleukin-37 (IL-37) on sleep in a mouse strain that expresses human IL-37b (IL37tg mice). Constitutive expression of the IL-37 gene in the brains of these mice under resting conditions is low; however, upon an inflammatory stimulus, expression increases dramatically...
June 2017: Neurobiology of Sleep and Circadian Rhythms
https://www.readbyqxmd.com/read/28069386/sleep-influences-the-immune-response-and-the-rejection-process-alters-sleep-pattern-evidence-from-a-skin-allograft-model-in-mice
#6
Francieli Silva Ruiz, Monica Levy Andersen, Camila Guindalini, Leandro Pires Araujo, José Daniel Lopes, Sergio Tufik
INTRODUCTION: Sleep generally regulates immune functions in a supportive manner and can affect parameters that are directly involved in the rejection process. STUDY OBJECTIVES: The first objective was to assess whether sleep deprivation (SD) or sleep restriction (SR) affects the allograft rejection process in mice. The second objective was to investigate whether the rejection process itself modulates the sleep pattern of allografted mice. DESIGN: Adult BALB/c and C57BL/6J male mice were used as the donors and recipients, respectively, except for the syngeneic group (ISOTX), which received skin from mice of the same strain (C57BL/6J)...
January 6, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28065514/review-of-childhood-obesity-from-epidemiology-etiology-and-comorbidities-to-clinical-assessment-and-treatment
#7
REVIEW
Seema Kumar, Aaron S Kelly
Childhood obesity has emerged as an important public health problem in the United States and other countries in the world. Currently 1 in 3 children in the United States is afflicted with overweight or obesity. The increasing prevalence of childhood obesity is associated with emergence of comorbidities previously considered to be "adult" diseases including type 2 diabetes mellitus, hypertension, nonalcoholic fatty liver disease, obstructive sleep apnea, and dyslipidemia. The most common cause of obesity in children is a positive energy balance due to caloric intake in excess of caloric expenditure combined with a genetic predisposition for weight gain...
January 5, 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/28063152/dysfunction-of-central-control-of-breathing-in-amyotrophic-lateral-sclerosis
#8
Bradley N Howell, Daniel S Newman
Dysfunction in central control of breathing in some amyotrophic lateral sclerosis (ALS) patients is not adequately detected with standard evaluation for respiratory dysfunction. Nocturnal oximetry reveals periodic desaturations despite normal respiratory muscle movements. Continuous diaphragmatic electromyography has provided in vivo data consistent with impaired central control of diaphragm motor units. Current understanding of central control of breathing identifies the pre-Botzinger complex as the inspiratory rhythm generator...
January 7, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28062883/relationship-between-sleep-habits-and-nighttime-sleep-among-healthy-preschool-children-in-taiwan
#9
Ming Jae Lo
Introduction: We examined the nighttime sleep habits associated with insufficient sleep quantity and poor sleep quality among healthy preschool-aged Taiwanese children. Materials and Methods: The study population of this cross-sectional survey was a stratified random sample of 3 to 6-year-old preschool children from 19 cities and counties in Taiwan. A caregiver-administered questionnaire was used to collect information on preschooler sleep quantity (sleep duration and sleep latency) and sleep quality (sleep disturbances and disruption) and potentially related sleep habits...
December 2016: Annals of the Academy of Medicine, Singapore
https://www.readbyqxmd.com/read/28057529/genetic-inhibition-of-anaplastic-lymphoma-kinase-rescues-cognitive-impairments-in-neurofibromatosis-1-mutant-mice
#10
Joseph B Weiss, Sydney J Weber, Eileen Ruth S Torres, Tessa Marzulla, Jacob Raber
Heterozygous Neurofibromatosis 1 (NF1) loss of function mutations occur in approximately 90% of patients with neurofibromatosis. A major, disabling phenotypic consequence of reduced NF1 function is cognitive impairment; a possibly related behavioral phenotype is impaired sleep. Recent results in Drosophila have demonstrated a genetic interaction between Anaplastic Lymphoma Kinase (Alk) and NF1 for both associative learning and sleep. Inhibition of Alk improves associative learning and sleep in heterozygous NF1 mutant flies...
January 3, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28054437/assessment-of-interfering-factors-in-non-adherence-to-oral-appliance-therapy-in-severe-sleep-apnea
#11
Yaron Haviv, Avraham Zini, Galit Almoznino, Na'ama Keshet, Yair Sharav, Doron J Aframian
OBJECTIVE: Oral appliances (OA) are recommended for patients with severe obstructive sleep apnea who fail to comply with continuous positive airway pressure (CPAP) therapy. This mixed methods study aimed to quantify adherence to OA therapy and evaluate subjective reasons associated with non-adherence. MATERIALS AND METHODS: The medical records of 52 patients with an apnea-hypopnea index (AHI) ≥ 40, treated with OA after discontinuation of CPAP treatment, were examined for OA adherence...
January 5, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28051892/what-is-the-role-of-bariatric-surgery-in-the-management-of-obesity
#12
E Panteliou, A D Miras
Diet, exercise, cognitive behavioral therapy and pharmacotherapy are some of the means of assisting patients to lose weight, with bariatric surgery being the most effective. Over the last two decades, the increased awareness of the systemic benefits of bariatric surgery, as well as the improved safety and the wider use of the laparoscopic approach, has made bariatric surgery flourish. In the United Kingdom, the adjustable gastric band (10%), vertical sleeve gastrectomy (37%) and Roux-en-Y gastric bypass (45%) are the three most common procedures...
January 4, 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28049707/pleiotropic-effects-of-loss-of-the-d%C3%AE-1-subunit-in-drosophila-melanogaster-implications-for-insecticide-resistance
#13
Jason Somers, Hang Ngoc Bao Luong, Judith Mitchell, Philip Batterham, Trent Perry
Nicotinic acetylcholine receptors (nAChRs) are a highly conserved gene family that form pentameric receptors involved in fast excitatory synaptic neurotransmission. The specific roles individual nAChR subunits perform in Drosophila melanogaster and other insects are relatively uncharacterized. Of the 10 D. melanogaster nAChR subunits, only three have described roles in behavioral pathways; Dα3 and Dα4 in sleep, and Dα7 in the escape response. Other subunits have been associated with resistance to several classes of insecticides...
January 2017: Genetics
https://www.readbyqxmd.com/read/28029852/impact-of-a-mindfulness-based-weight-loss-intervention-on-sleep-quality-among-adults-with-obesity-data-from-the-shine-randomized-controlled-trial
#14
Elizabeth Adler, Anand Dhruva, Patricia J Moran, Jennifer Daubenmier, Michael Acree, Elissa S Epel, Peter Bacchetti, Aric A Prather, Ashley Mason, Frederick M Hecht
BACKGROUND AND OBJECTIVE: Sleep disturbance is a common problem among adults with obesity. Mindfulness interventions have been shown to improve sleep quality in various populations but have not been investigated in adults with obesity. The aim of this study was to compare the effects of a mindfulness-based weight-loss intervention with an active control on self-reported sleep quality among adults with obesity. METHOD: This study was a secondary analysis of a randomized controlled trial and included 194 adults with a body mass index in the range 30-45 kg/m(2)...
December 28, 2016: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28027339/sleep-loss-in-the-homeless-an-additional-factor-of-precariousness-survey-in-a-group-of-homeless-people
#15
Damien Léger, François Beck, Jean Baptiste Richard
No abstract text is available yet for this article.
December 27, 2016: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28025241/clinical-tools-to-assess-asthma-control-in-children
#16
Chitra Dinakar, Bradley E Chipps
Asthma affects an estimated 7 million children and causes significant health care and disease burden. The most recent iteration of the National Heart, Lung and Blood Institute asthma guidelines, the Expert Panel Report 3, emphasizes the assessment and monitoring of asthma control in the management of asthma. Asthma control refers to the degree to which the manifestations of asthma are minimized by therapeutic interventions and the goals of therapy are met. Although assessment of asthma severity is used to guide initiation of therapy, monitoring of asthma control helps determine whether therapy should be maintained or adjusted...
January 2017: Pediatrics
https://www.readbyqxmd.com/read/28024827/evaluation-of-peripheral-auditory-pathways-and-brainstem-in-obstructive-sleep-apnea
#17
Erika Matsumura, Carla Gentile Matas, Fernanda Cristina Leite Magliaro, Raquel Meirelles Pedreño, Geraldo Lorenzi-Filho, Seisse Gabriela Gandolfi Sanches, Renata Mota Mamede Carvallo
INTRODUCTION: Obstructive sleep apnea causes changes in normal sleep architecture, fragmenting it chronically with intermittent hypoxia, leading to serious health consequences in the long term. It is believed that the occurrence of respiratory events during sleep, such as apnea and hypopnea, can impair the transmission of nerve impulses along the auditory pathway that are highly dependent on the supply of oxygen. However, this association is not well established in the literature. OBJECTIVE: To compare the evaluation of peripheral auditory pathway and brainstem among individuals with and without obstructive sleep apnea...
November 25, 2016: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28017605/an-lhx1-regulated-transcriptional-network-controls-sleep-wake-coupling-and-thermal-resistance-of-the-central-circadian-clockworks
#18
Joseph L Bedont, Tara A LeGates, Ethan Buhr, Abhijith Bathini, Jonathan P Ling, Benjamin Bell, Mark N Wu, Philip C Wong, Russell N Van Gelder, Valerie Mongrain, Samer Hattar, Seth Blackshaw
The suprachiasmatic nucleus (SCN) is the central circadian clock in mammals. It is entrained by light but resistant to temperature shifts that entrain peripheral clocks [1-5]. The SCN expresses many functionally important neuropeptides, including vasoactive intestinal peptide (VIP), which drives light entrainment, synchrony, and amplitude of SCN cellular clocks and organizes circadian behavior [5-16]. The transcription factor LHX1 drives SCN Vip expression, and cellular desynchrony in Lhx1-deficient SCN largely results from Vip loss [17, 18]...
January 9, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28012351/the-association-between-mental-health-problems-and-menstrual-cycle-irregularity-among-adolescent-korean-girls
#19
Mi Yu, Kyungdo Han, Ga Eun Nam
BACKGROUND: Menstrual cycle irregularity is common among adolescents and can induce mental health problems such as stress, depression, and suicidal ideation. We examined the association between mental health problems and menstrual cycle irregularity among adolescent Korean girls. METHODS: This population-based cross-sectional study was on 808 female adolescents (12-18 years of age) participating in the 2010-2012 Korean National Health and Nutrition Examination Survey...
November 30, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28012092/the-hypocretin-orexin-neuronal-networks-in-zebrafish
#20
Idan Elbaz, Talia Levitas-Djerbi, Lior Appelbaum
The hypothalamic Hypocretin/Orexin (Hcrt) neurons secrete two Hcrt neuropeptides. These neurons and peptides play a major role in the regulation of feeding, sleep wake cycle, reward-seeking, addiction, and stress. Loss of Hcrt neurons causes the sleep disorder narcolepsy. The zebrafish has become an attractive model to study the Hcrt neuronal network because it is a transparent vertebrate that enables simple genetic manipulation, imaging of the structure and function of neuronal circuits in live animals, and high-throughput monitoring of behavioral performance during both day and night...
December 24, 2016: Current Topics in Behavioral Neurosciences
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