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https://www.readbyqxmd.com/read/29092799/novel-drosophila-model-for-psychiatric-disorders-including-autism-spectrum-disorder-by-targeting-of-atp-binding-cassette-protein-a
#1
Ibuki Ueoka, Hitoshi Kawashima, Atsushi Konishi, Mikio Aoki, Ryo Tanaka, Hideki Yoshida, Toru Maeda, Mamiko Ozaki, Masamitsu Yamaguchi
Autism spectrum disorder (ASD) is characterized by persistent deficits in social communication and social interactions, as well as restricted, stereotyped patterns of behavior and interests. In addition, alterations in circadian sleep-wake rhythm are common in young children with ASD. Mutations in ATP binding cassette subfamily A member 13 (ABCA13) have been recently identified in a monkey that displays behavior associated with ASD. ABCA13, a member of the ABCA family of proteins, is predicted to transport lipid molecules and is expressed in the human trachea, testis, bone marrow, hippocampus, cortex, and other tissues...
October 29, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/29083986/effect-of-general-anesthesia-versus-conscious-sedation-for-stroke-thrombectomy-on-angiographic-workflow-in-a-randomized-trial-a-post-hoc-analysis-of-the-siesta-trial
#2
Johannes A R Pfaff, Silvia Schönenberger, Simon Nagel, Peter A Ringleb, Werner Hacke, Martin Bendszus, Julian Bösel, Markus Alfred Möhlenbruch
Purpose To investigate whether the sedation mode (ie, conscious sedation [CS] vs general anesthesia [GA]) affects the angiographic workflow applied for treatment of endovascular stroke in a post hoc analysis of a recent randomized controlled trial, Sedation versus Intubation for Endovascular Stroke Treatment (SIESTA). Materials and Methods SIESTA was an institutional review board-approved, single-center, prospective, randomized, parallel-group, open-label treatment trial with a blinded end-point evaluation to compare GA with CS for treatment of endovascular stroke in 73 and 77 patients, respectively...
October 30, 2017: Radiology
https://www.readbyqxmd.com/read/28972543/the-drosophila-trpa1-channel-and-neuronal-circuits-controlling-rhythmic-behaviours-and-sleep-in-response-to-environmental-temperature
#3
REVIEW
Sanne Roessingh, Ralf Stanewsky
trpA1 encodes a thermosensitive transient receptor potential channel (TRP channel) that functions in selection of preferred temperatures and noxious heat avoidance. In this review, we discuss the evidence for a role of TRPA1 in the control of rhythmic behaviours in Drosophila melanogaster. Activity levels during the afternoon and rhythmic temperature preference are both regulated by TRPA1. In contrast, TRPA1 is dispensable for temperature synchronisation of circadian clocks. We discuss the neuronal basis of TRPA1-mediated temperature effects on rhythmic behaviours, and conclude that they are mediated by partly overlapping but distinct neuronal circuits...
October 3, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28951572/heritability-of-siesta-and-night-time-sleep-as-continuously-assessed-by-a-circadian-related-integrated-measure
#4
J Lopez-Minguez, J J Morosoli, J A Madrid, M Garaulet, J R Ordoñana
Siesta is a relevant aspect of sleep due to its posited relationship with health or cognitive function. However, unlike night-time sleep, studies about daytime-sleep determinants and characteristics are scarce, and the genetic/environmental structure of siesta is still unknown. Our aim was to explore the relative contribution of genetic and environmental factors to variation in sleep-wake rhythm, measured by a continuous assessment of temperature-activity-position (TAP), which allows for diurnal sleep analysis...
September 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28936194/the-siesta-habit-is-associated-with-a-decreased-risk-of-rupture-of-intracranial-aneurysms
#5
Huibin Kang, Xin Feng, Baorui Zhang, Erkang Guo, Luyao Wang, Zenghui Qian, Peng Liu, Xiaolong Wen, Wenjuan Xu, Youxiang Li, Chuhan Jiang, Zhongxue Wu, Hongbing Zhang, Aihua Liu
BACKGROUND: Previous studies have examined an association between the siesta habit and hypertension, as well as coronary heart disease. However, the relationship between a siesta and the risk of rupture of an intracranial aneurysm (IA) has not yet been established. We aimed to investigate the effects of a siesta on the risk of rupture of IAs. METHODS: We prospectively enrolled consecutive patients diagnosed with IAs at our hospital between January 2016 and December 2016...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28924238/longitudinal-association-of-sleep-duration-with-depressive-symptoms-among-middle-aged-and-older-chinese
#6
Yujie Li, Yili Wu, Long Zhai, Tong Wang, Yongye Sun, Dongfeng Zhang
This study aimed to evaluate the associations of nighttime sleep duration and midday napping with risk of depressive symptoms incidence and persistence among middle-aged and older Chinese. Data from China Health and Retirement Longitudinal Study, CHARLS (2011-2013), were analyzed. Depressive symptoms were identified by the 10-item version of the Centre for Epidemiological Studies Depression scale (CESD-10). Multivariate binary logistic regression models were fitted. There were 7156 individuals with CESD-10 scores < 10 and 3896 individuals with CESD-10 scores ≥ 10 at baseline included in this study...
September 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28899546/exploring-the-nap-paradox-are-mid-day-sleep-bouts-a-friend-or-foe
#7
REVIEW
Janna Mantua, Rebecca M C Spencer
The mid-day nap, sometimes called a siesta, is a ubiquitous occurrence across the lifespan. It is well established that in addition to reducing sleepiness, mid-day naps offer a variety of benefits: memory consolidation, preparation for subsequent learning, executive functioning enhancement, and a boost in emotional stability. These benefits are present even if a sufficient amount of sleep is obtained during the night prior. However, we present a paradox: in spite of these reported benefits of naps, frequent napping has also been associated with numerous negative outcomes (eg, cognitive decline, hypertension, diabetes), particularly in older populations...
September 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28851647/mechanisms-of-sleep-plasticity-due-to-sexual-experience-in-drosophila-melanogaster
#8
Abigail E Dove, Brianne L Cook, Zhazira Irgebay, Christopher G Vecsey
Sleep can be altered by an organism's previous experience. For instance, female Drosophila melanogaster experience a post-mating reduction in daytime sleep that is purportedly mediated by sex peptide (SP), one of many seminal fluid proteins (SFPs) transferred from male to female during mating. In the present study, we first characterized this mating effect on sleep more fully, as it had previously only been tested in young flies under 12h light/12h dark conditions. We found that mating reduced sleep equivalently in 3-day-old or 14-day-old females, and could even occur in females who had been mated previously, suggesting that there is not a developmental critical period for the suppression of sleep by mating...
August 26, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28840790/a-new-rhodopsin-influences-light-dependent-daily-activity-patterns-of-fruit-flies
#9
Christa Kistenpfennig, Rudi Grebler, Maite Ogueta, Christiane Hermann-Luibl, Matthias Schlichting, Ralf Stanewsky, Pingkalai R Senthilan, Charlotte Helfrich-Förster
Rhodopsin 7 ( Rh7), a new invertebrate Rhodopsin gene, was discovered in the genome of Drosophila melanogaster in 2000, but its function has remained elusive. We generated an Rh7 null mutant ( Rh7(0)) by P element-mediated mutagenesis and found that an absence of Rh7 had significant effects on fly activity patterns during light-dark (LD) cycles: Rh7(0) mutants exhibited less morning activity and a longer siesta than wild-type controls. Consistent with these results, we found that Rh7 appears to be expressed in a few dorsal clock neurons that have been previously implicated in the control of the siesta...
August 1, 2017: Journal of Biological Rhythms
https://www.readbyqxmd.com/read/28596192/the-impact-of-conscious-sedation-versus-general-anesthesia-for-stroke-thrombectomy-on-the-predictive-value-of-collateral-status-a-post-hoc-analysis-of-the-siesta-trial
#10
S Schönenberger, J Pfaff, L Uhlmann, C Klose, S Nagel, P A Ringleb, W Hacke, M Kieser, M Bendszus, M A Möhlenbruch, J Bösel
BACKGROUND AND PURPOSE: Radiologic selection criteria to identify patients likely to benefit from endovascular stroke treatment are still controversial. In this post hoc analysis of the recent randomized Sedation versus Intubation for Endovascular Stroke TreAtment (SIESTA) trial, we aimed to investigate the impact of sedation mode (conscious sedation versus general anesthesia) on the predictive value of collateral status. MATERIALS AND METHODS: Using imaging data from SIESTA, we assessed collateral status with the collateral score of Tan et al and graded it from absent to good collaterals (0-3)...
August 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28529921/mediterranean-lifestyle-and-cardiovascular-disease-prevention
#11
Ekavi N Georgousopoulou, Duane D Mellor, Nenad Naumovski, Evangelos Polychronopoulos, Stefanos Tyrovolas, Suzanne Piscopo, Giuseppe Valacchi, Foteini Anastasiou, Akis Zeimbekis, Vassiliki Bountziouka, Efthimios Gotsis, George Metallinos, Dimitra Tyrovola, Alexandra Foscolou, Josep-Antoni Tur, Antonia-Leda Matalas, Christos Lionis, Labros Sidossis, Demosthenes Panagiotakos
BACKGROUND: Adherence to a Mediterranean dietary pattern is a well-established protective factor against cardiovascular disease (CVD). However, diet quality is only one aspect of the overall healthy lifestyle adopted by Mediterranean populations. The latter has never been evaluated as a multi-factorial composite lifestyle. Thus, the aim of the present study was to provide a broader picture of the Mediterranean lifestyle and its effects on CVD risk, among elderly individuals. METHODS: During 2005-2015, 2,749 older (aged 65-100 years) from 21 Mediterranean islands (MEDIS) and the rural Mani region (Peloponnesus) of Greece were voluntarily enrolled onto the study...
April 2017: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/28316636/the-siesta-trial-a-randomized-study-investigating-the-efficacy-safety-and-tolerability-of-acupressure-versus-sham-therapy-for-improving-sleep-quality-in-patients-with-end-stage-kidney-disease-on-hemodialysis
#12
Kunyu Shen, Yeoungjee Cho, Elaine M Pascoe, Carmel M Hawley, Veronica Oliver, Kathryn M Hughes, Richard Baer, Jeremy Frazier, Elizabeth Jarvis, Ken-Soon Tan, Xusheng Liu, Glenda Gobe, David W Johnson
Objectives. To compare the effectiveness of real acupressure versus sham acupressure therapy in improving sleep quality in patients receiving hemodialysis (HD) or hemodiafiltration (HDF). Methods. A multicenter, single-blind, randomized controlled trial was conducted in two Australian dialysis units located in Princess Alexandra Hospital and Logan Hospital, respectively. Forty-two subjects with self-reported poor sleep quality were randomly assigned to real (n = 21) or sham (n = 21) acupressure therapy delivered thrice weekly for four consecutive weeks during routine dialysis sessions...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28252536/a-quantile-analysis-of-plateau-and-driving-pressures-effects-on-mortality-in-patients-with-acute-respiratory-distress-syndrome-receiving-lung-protective-ventilation
#13
Jesús Villar, Carmen Martín-Rodríguez, Ana M Domínguez-Berrot, Lorena Fernández, Carlos Ferrando, Juan A Soler, Ana M Díaz-Lamas, Elena González-Higueras, Leonor Nogales, Alfonso Ambrós, Demetrio Carriedo, Mónica Hernández, Domingo Martínez, Jesús Blanco, Javier Belda, Dácil Parrilla, Fernando Suárez-Sipmann, Concepción Tarancón, Juan M Mora-Ordoñez, Lluís Blanch, Lina Pérez-Méndez, Rosa L Fernández, Robert M Kacmarek
OBJECTIVES: The driving pressure (plateau pressure minus positive end-expiratory pressure) has been suggested as the major determinant for the beneficial effects of lung-protective ventilation. We tested whether driving pressure was superior to the variables that define it in predicting outcome in patients with acute respiratory distress syndrome. DESIGN: A secondary analysis of existing data from previously reported observational studies. SETTING: A network of ICUs...
May 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28124071/siesta-thrombectomy-as-you-like
#14
EDITORIAL
Martin Bendszus
No abstract text is available yet for this article.
March 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28114910/mid-day-siesta-in-natural-populations-of-d-melanogaster-from-africa-exhibits-an-altitudinal-cline-and-is-regulated-by-splicing-of-a-thermosensitive-intron-in-the-period-clock-gene
#15
Weihuan Cao, Isaac Edery
BACKGROUND: Many diurnal animals exhibit a mid-day 'siesta', generally thought to be an adaptive response aimed at minimizing exposure to heat on warm days, suggesting that in regions with cooler climates mid-day siestas might be a less prominent feature of animal behavior. Drosophila melanogaster exhibits thermal plasticity in its mid-day siesta that is partly governed by the thermosensitive splicing of the 3'-terminal intron (termed dmpi8) from the key circadian clock gene period (per)...
January 23, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/27817175/a-longer-siesta-dn1s-in-control
#16
Wesley A Leigh, Yong Zhang
No abstract text is available yet for this article.
February 2017: Neuroscience Bulletin
https://www.readbyqxmd.com/read/27785516/effect-of-conscious-sedation-vs-general-anesthesia-on-early-neurological-improvement-among-patients-with-ischemic-stroke-undergoing-endovascular-thrombectomy-a-randomized-clinical-trial
#17
RANDOMIZED CONTROLLED TRIAL
Silvia Schönenberger, Lorenz Uhlmann, Werner Hacke, Simon Schieber, Sibu Mundiyanapurath, Jan C Purrucker, Simon Nagel, Christina Klose, Johannes Pfaff, Martin Bendszus, Peter A Ringleb, Meinhard Kieser, Markus A Möhlenbruch, Julian Bösel
Importance: Optimal management of sedation and airway during thrombectomy for acute ischemic stroke is controversial due to lack of evidence from randomized trials. Objective: To assess whether conscious sedation is superior to general anesthesia for early neurological improvement among patients receiving stroke thrombectomy. Design, Setting, and Participants: SIESTA (Sedation vs Intubation for Endovascular Stroke Treatment), a single-center, randomized, parallel-group, open-label treatment trial with blinded outcome evaluation conducted at Heidelberg University Hospital in Germany (April 2014-February 2016) included 150 patients with acute ischemic stroke in the anterior circulation, higher National Institutes of Health Stroke Scale (NIHSS) score (>10), and isolated/combined occlusion at any level of the internal carotid or middle cerebral artery...
November 15, 2016: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/27670625/intense-conductivity-suppression-by-edge-defects-in-zigzag-mos2-and-wse2-nanoribbons-a-density-functional-based-tight-binding-study
#18
F W N Silva, A L M T Costa, Lei Liu, E B Barros
The effects of edge vacancies on the electron transport properties of zigzag MoS2/WSe2 nanoribbons are studied using a density functional theory (DFT)-based tight-binding model with a sp(3)d(5) basis set for the electronic structure calculation and applying the Landauer-Büttiker approach for the electronic transport. Our results show that the presence of a single edge vacancy, with a missing MoS2/WSe2 triplet, is enough to suppress the conductance of the system by almost one half for most energies around the Fermi level...
November 4, 2016: Nanotechnology
https://www.readbyqxmd.com/read/27568798/sleep-is-critical-for-remote-preconditioning-induced-neuroprotection
#19
Allison J Brager, Tao Yang, J Christopher Ehlen, Roger P Simon, Robert Meller, Ketema N Paul
STUDY OBJECTIVES: Episodes of brief limb ischemia (remote preconditioning) in mice induce tolerance to modeled ischemic stroke (focal brain ischemia). Since stroke outcomes are in part dependent on sleep-wake history, we sought to determine if sleep is critical for the neuroprotective effect of limb ischemia. METHODS: EEG/EMG recording electrodes were implanted in mice. After a 24 h baseline recording, limb ischemia was induced by tightening an elastic band around the left quadriceps for 10 minutes followed by 10 minutes of release for two cycles...
November 1, 2016: Sleep
https://www.readbyqxmd.com/read/27479324/circadian-neuron-feedback-controls-the-drosophila-sleep-activity-profile
#20
Fang Guo, Junwei Yu, Hyung Jae Jung, Katharine C Abruzzi, Weifei Luo, Leslie C Griffith, Michael Rosbash
Little is known about the ability of Drosophila circadian neurons to promote sleep. Here we show, using optogenetic manipulation and video recording, that a subset of dorsal clock neurons (DN1s) are potent sleep-promoting cells that release glutamate to directly inhibit key pacemaker neurons. The pacemakers promote morning arousal by activating these DN1s, implying that a late-day feedback circuit drives midday siesta and night-time sleep. To investigate more plastic aspects of the sleep program, we used a calcium assay to monitor and compare the real-time activity of DN1 neurons in freely behaving males and females...
August 18, 2016: Nature
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