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https://www.readbyqxmd.com/read/29453986/sterol-o-acyltransferase-1-deficiency-improves-defective-insulin-signaling-in-the-brains-of-mice-fed-a-high-fat-diet
#1
Ning Xu, Hao Meng, Tian-Yi Liu, Ying-Li Feng, Yuan Qi, Dong-Huan Zhang, Hong-Lei Wang
Insulin resistance induced by a high-fat diet (HFD) is related to metabolic diseases, and sterol O-acyltransferase 1 (SOAT1) is a key enzyme for the biosynthesis of cholesteryl ester. In the present study, wild-type (WT) mice and SOAT1-knockout (KO) mice with a C57BL6 background fed a HFD were used to explore the role of SOAT1 in the hypothalamus. The results show that the WT mice exhibited a significant increase in body weight as well as hepatic histologic changes; they also had a lower glucose and insulin tolerance than the WT mice fed a normal diet...
February 14, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29447711/no-355-physiologic-basis-of-pain-in-labour-and-delivery-an-evidence-based-approach-to-its-management
#2
Julie Bonapace, Guy-Paul Gagné, Nils Chaillet, Raymonde Gagnon, Emmanuelle Hébert, Sarah Buckley
OBJECTIVE: To review the evidence relating to nonpharmacological approaches in the management of pain during labour and delivery. To formulate recommendations for the usage of nonpharmacological approaches to pain management. OPTIONS: Nonpharmacological methods available for pain management during labour and delivery exist. These should be included in the counselling and care of women. EVIDENCE: PubMed and Medline were searched for articles in French and English on subjects related to "breastfeeding," "pain," "epidural," "anaesthesia," "analgesia," "labour," "labor," and combined with "gate control theory," "alternative therapies," "massage," "position," "mobility," "TENS," "bathing," "DNIC," "acupuncture," "acupressure," "sterile water injection," "higher center," "control mind," "cognitive structuring," "holistic health," "complementary therapy(ies)," "breathing," "relaxation," "mental imagery," "visualization," "mind focusing," "hypnosis," "auto-hypnosis," "sophrology," "mind and body interventions," "music," "odors," "biofeedback," "Lamaze," "Bonapace," "prenatal training," "gymnastic," "chanting," "haptonomy," "environment," "transcutaneous electrical stimulus-stimulation," "antenatal education," "support," "continuous support," "psychosocial support," "psychosomatic medicine," "supportive care," "companion," "intrapartum care," "nurse," "midwife(ves)," "father," "doula," "caregiver," " hormones," "oxytocin," "endorphin," "prolactin," "catecholamine," "adrenaline," and "noradrenaline" from 1990 to December 2015...
February 2018: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/29445307/sleep-problems-during-the-menopausal-transition-prevalence-impact-and-management-challenges
#3
REVIEW
Fiona C Baker, Massimiliano de Zambotti, Ian M Colrain, Bei Bei
A substantial number of women experience sleep difficulties in the approach to menopause and beyond, with 26% experiencing severe symptoms that impact daytime functioning, qualifying them for a diagnosis of insomnia. Here, we review both self-report and polysomnographic evidence for sleep difficulties in the context of the menopausal transition, considering severity of sleep complaints and links between hot flashes (HFs) and depression with poor sleep. Longitudinal population-based studies show that sleep difficulties are uniquely linked with menopausal stage and changes in follicle-stimulating hormone and estradiol, over and above the effects of age...
2018: Nature and Science of Sleep
https://www.readbyqxmd.com/read/29445200/impaired-%C3%AE-arrestin-recruitment-and-reduced-desensitization-by-non-catechol-agonists-of-the-d1-dopamine-receptor
#4
David L Gray, John A Allen, Scot Mente, Rebecca E O'Connor, George J DeMarco, Ivan Efremov, Patrick Tierney, Dmitri Volfson, Jennifer Davoren, Edward Guilmette, Michelle Salafia, Rouba Kozak, Michael D Ehlers
Selective activation of dopamine D1 receptors (D1Rs) has been pursued for 40 years as a therapeutic strategy for neurologic and psychiatric diseases due to the fundamental role of D1Rs in motor function, reward processing, and cognition. All known D1R-selective agonists are catechols, which are rapidly metabolized and desensitize the D1R after prolonged exposure, reducing agonist response. As such, drug-like selective D1R agonists have remained elusive. Here we report a novel series of selective, potent non-catechol D1R agonists with promising in vivo pharmacokinetic properties...
February 14, 2018: Nature Communications
https://www.readbyqxmd.com/read/29444964/electrical-stimulation-of-the-dorsolateral-prefrontal-cortex-impairs-semantic-cognition
#5
Guillaume Herbet, Sylvie Moritz-Gasser, Hugues Duffau
OBJECTIVE: To identify the prefrontal cortical structures causally involved in verbal and nonverbal semantic cognition in both cerebral hemispheres. METHODS: We retrospectively screened the intraoperative brain mapping data of 584 patients who underwent neurosurgery for neoplastic tumor under local anesthesia with direct cortical electrostimulation. Patients were included if they were right-handed, recently diagnosed with a diffuse low-grade glioma, and had a positive language mapping for verbal (naming task) and nonverbal (visual semantic association task) semantic cognition in the prefrontal cortex (n = 49)...
February 14, 2018: Neurology
https://www.readbyqxmd.com/read/29441835/current-profile-of-adults-presenting-for-preoperative-cochlear-implant-evaluation
#6
Jourdan T Holder, Susan M Reynolds, Linsey W Sunderhaus, René H Gifford
Considerable advancements in cochlear implant technology (e.g., electric acoustic stimulation) and assessment materials have yielded expanded criteria. Despite this, it is unclear whether individuals with better audiometric thresholds and speech understanding are being referred for cochlear implant workup and pursuing cochlear implantation. The purpose of this study was to characterize the mean auditory and demographic profile of adults presenting for preoperative cochlear implant workup. Data were collected prospectively for all adult preoperative workups at Vanderbilt from 2013 to 2015...
January 2018: Trends in Hearing
https://www.readbyqxmd.com/read/29441401/exercise-induced-fatigue-in-young-people-advances-and-future-perspectives
#7
REVIEW
Dimitrios A Patikas, Craig A Williams, Sébastien Ratel
PURPOSE: In recent decades, the interest for exercise-induced fatigue in youth has substantially increased, and the effects of growth on the peripheral (muscular) and central (neural) mechanisms underpinning differences in neuromuscular fatigue between healthy children and adults have been described more extensively. The purpose of this review is to retrieve, report, and analyse the findings of studies comparing neuromuscular fatigue between children and adults. Objective measures of the evaluation of the physiological mechanisms are discussed...
February 13, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29436740/multitarget-transcranial-direct-current-stimulation-for-freezing-of-gait-in-parkinson-s-disease
#8
Moria Dagan, Talia Herman, Rachel Harrison, Junhong Zhou, Nir Giladi, Giulio Ruffini, Brad Manor, Jeffrey M Hausdorff
BACKGROUND: Recent findings suggest that transcranial direct current stimulation of the primary motor cortex may ameliorate freezing of gait. However, the effects of multitarget simultaneous stimulation of motor and cognitive networks are mostly unknown. The objective of this study was to evaluate the effects of multitarget transcranial direct current stimulation of the primary motor cortex and left dorsolateral prefrontal cortex on freezing of gait and related outcomes. METHODS: Twenty patients with Parkinson's disease and freezing of gait received 20 minutes of transcranial direct current stimulation on 3 separate visits...
February 13, 2018: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29436078/multisensory-exercise-programme-improves-cognition-and-functionality-in-institutionalized-older-adults-a-randomized-control-trial
#9
Natália Boneti Moreira, Gabriele Gonçalves, Talihina da Silva, Francisco Ernesto Halila Zanardini, Paulo Cesar Barauce Bento
AIM: The aim of this study was to verify the effects of a multisensory exercise programme on the cognition and functionality of institutionalized older adults. METHODS: Forty-five volunteers were randomly allocated to 2 groups, the multisensory exercise programme (n = 24) and the control group that received no treatment (n = 21). The programme consisted of 3 50-min sessions of progressive exercises per week for 16 weeks that challenged their strength, balance, coordination, multisensory stimulation, and flexibility in different tasks...
February 13, 2018: Physiotherapy Research International: the Journal for Researchers and Clinicians in Physical Therapy
https://www.readbyqxmd.com/read/29435980/the-diabetes-drug-liraglutide-reverses-cognitive-impairment-in-mice-and-attenuates-insulin-receptor-and-synaptic-pathology-in-a-non-human-primate-model-of-alzheimer-s-disease
#10
Andre F Batista, Leticia Forny-Germano, Julia R Clarke, Natalia M Lyra E Silva, Jordano Brito-Moreira, Susan E Boehnke, Andrew Winterborn, Brian C Coe, Ann Lablans, Juliana F Vital, Suelen A Marques, Ana M B Martinez, Matthias Gralle, Christian Holscher, William L Klein, Jean-Christophe Houzel, Sergio T Ferreira, Douglas P Munoz, Fernanda G De Felice
Alzheimer's disease (AD) is a devastating neurological disorder that still lacks an effective treatment, and this has stimulated an intense pursuit of disease-modifying therapeutics. Given the increasingly recognized link between AD and defective brain insulin signaling, we investigated the actions of liraglutide, a glucagon-like peptide-1 (GLP-1) analog marketed for treatment of type 2 diabetes, in experimental models of AD. Insulin receptor pathology is an important feature of AD brains that impairs the neuroprotective actions of central insulin signaling...
February 12, 2018: Journal of Pathology
https://www.readbyqxmd.com/read/29435951/correction-of-huntington-s-disease-phenotype-by-genistein-induced-autophagy-in-the-cellular-model
#11
Karolina Pierzynowska, Lidia Gaffke, Aleksandra Hać, Jagoda Mantej, Natalia Niedziałek, Joanna Brokowska, Grzegorz Węgrzyn
Huntington's disease (HD) is a monogenic disorder, caused by mutations in the HTT gene which result in expansion of CAG triplets. The product of the mutated gene is misfolded huntingtin protein that forms aggregates leading to impairment of neuronal function, neurodegeneration, motor abnormalities and cognitive deficits. No effective cure is currently available for HD. Here we studied effects of genistein (trihydroxyisoflavone) on a HD cellular model consisting of HEK-293 cells transfected with a plasmid bearing mutated HTT gene...
February 12, 2018: Neuromolecular Medicine
https://www.readbyqxmd.com/read/29433921/modified-perceptual-training-in-sport-a-new-classification-framework
#12
REVIEW
Stephen Mark Hadlow, Derek Panchuk, David Lindsay Mann, Marc Ronald Portus, Bruce Abernethy
OBJECTIVES: To overview a framework that provides a theoretically-grounded approach to predicting the types of modified perceptual training tasks that will stimulate transfer of improved perceptual skills to sport performance environments. Modified perceptual training (MPT) collectively describes on- or off-field sports training tasks that are specifically designed to develop visual and perceptual-cognitive skill. Traditional training approaches in sport include sports vision training and perceptual-cognitive training, while recently, new technologies have enabled a broad range of additional MPT tools to become available to coaches and athletes...
February 3, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29433545/the-effectiveness-of-ict-based-neurocognitive-and-psychosocial-rehabilitation-programmes-in-people-with-mild-dementia-and-mild-cognitive-impairment-using-gradior-and-ehcobutler-study-protocol-for-a-randomised-controlled-trial
#13
Martina Vanova, Eider Irazoki, J Antonio García-Casal, Fernando Martínez-Abad, Cristina Botella, Kate R Shiells, Manuel A Franco-Martín
BACKGROUND: Cognitive rehabilitation is a highly individualised, non-pharmacological intervention for people with mild cognitive impairment (MCI) and dementia, which in recent years has also been developed for various IT platforms. METHODS: In this study, we aim to evaluate the effectiveness of the cognitive rehabilitation software GRADIOR in a multi-centre, single-blinded randomised controlled trial with people with MCI and mild dementia. A total of 400 people with MCI and mild dementia will be randomly allocated to one of four groups...
February 12, 2018: Trials
https://www.readbyqxmd.com/read/29432784/cognitive-and-neuromodulation-strategies-for-unhealthy-eating-and-obesity-systematic-review-and-discussion-of-neurocognitive-mechanisms
#14
REVIEW
Laura Forcano, Fernanda Mata, Rafael de la Torre, Antonio Verdejo-Garcia
We systematically reviewed research on cognitive training and neuromodulation interventions for reducing food craving/intake, unhealthy diet and weight, and discussed their mechanisms of action. We reviewed 50 studies involving six cognitive trainings: Approach and Attentional Bias Modification, Implementation Intentions, Response Inhibition, Episodic Future Thinking and Working Memory; and four neuromodulation approaches: Transcranial Magnetic Stimulation (TMS), transcranial Direct Current Stimulation (tDCS), Deep Brain Stimulation (DBS) and Neurofeedback...
February 9, 2018: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29432246/evaluation-and-management-of-the-child-with-autism-spectrum-disorder
#15
Nicole Baumer, Sarah J Spence
PURPOSE OF REVIEW: Autism spectrum disorder is a neurodevelopmental disorder defined by deficits in social communication and the presence of restricted and repetitive behaviors and interests. This article provides the tools to diagnose and manage patients with autism spectrum disorder. RECENT FINDINGS: Autism spectrum disorder is a heterogeneous condition with varying presentations, multiple etiologies, and a number of comorbidities that impact the course and management of the disorder...
February 2018: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/29431126/repetitive-transcranial-magnetic-stimulation-for-depression-after-basal-ganglia-ischaemic-stroke-protocol-for-a-multicentre-randomised-double-blind-placebo-controlled-trial
#16
Ying Tang, Aimin Chen, Shuzhen Zhu, Li Yang, Jiyuan Zhou, Suyue Pan, Min Shao, Lianxu Zhao
INTRODUCTION: Studies suggest that repetitive transcranial magnetic stimulation (rTMS) is effective for the treatment of depression and promotes the repair of white matter. This study aims to assess the effectiveness of rTMS in treating depression after basal ganglia ischaemic stroke and to examine whether such effects are related to restoration of white matter integrity. METHODS AND ANALYSIS: Sixty-six participants will be recruited from Zhujiang Hospital, Nanfang Hospital and Sichuan Bayi Rehabilitation Hospital and randomised in a 1:1 ratio to receive active rTMS treatment or sham rTMS treatment in addition to routine supportive treatments...
February 3, 2018: BMJ Open
https://www.readbyqxmd.com/read/29430652/the-many-faces-of-vascular-cognitive-impairment
#17
Hélène Girouard, Lisa M Munter
This Preface introduces the articles of the special issue on "Vascular Dementia" in which several recognized experts provide an overview of this research field. The brain is a highly vascularized organ and consequently, vascular dysfunction and related pathways affect cognitive performance and memory. Vascular dementia or vascular cognitive impairment is the second most common type of dementia after Alzheimer's disease, and both disorders often occur in parallel. With this special issue, we hope to provide insight and a stimulating discussion for the future development of this research field...
February 11, 2018: Journal of Neurochemistry
https://www.readbyqxmd.com/read/29429396/using-transcranial-direct-current-stimulation-to-improve-verbal-working-memory-a-detailed-review-of-the-methodology
#18
Roanne Hurley, Liana Machado
INTRODUCTION: Transcranial direct current stimulation (tDCS) is a noninvasive electrical brain stimulation technique that has been used extensively over prefrontal cortex in an effort to enhance verbal working memory (WM). However, inconsistent and contradictory outcomes from similar stimulation protocols have created a strong need to examine methodologies in greater detail. This review undertook an in-depth look at both positive and negative prefrontal tDCS-WM findings in adult populations to shed light on methodological parameters that may be driving the inconsistent outcomes in the literature...
February 12, 2018: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/29429190/-research-progress-of-functional-magnetic-resonance-imaging-in-mechanism-studies-of-tinnitus
#19
B B Ji, M Li, J N Zhang
Tinnitus is a subjective symptom of phantom sound in the ear or brain without sound or electrical stimulation in the environment. The mechanism of tinnitus is complicated and mostly unclear. Recent studies suggested that the abnormal peripheral auditory input lead to neuroplasticity changes in central nervous system followed by tinnitus. More research concerned on the tinnitus central mechanism. A rapid development of functional magnetic resonance imaging (fMRI) technique made it more widely used in tinnitus central mechanism research...
February 7, 2018: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/29428214/the-effects-of-bilateral-continuous-and-chronic-deep-brain-stimulation-of-the-medial-forebrain-bundle-in-a-rodent-model-of-depression
#20
Stephanie Thiele, Luciano Furlanetti, Lisa-Marie Pfeiffer, Volker A Coenen, Máté D Döbrössy
BACKGROUND: Clinical trials of supra-lateral medial forebrain bundle (MFB) Deep Brain Stimulation (DBS) in treatment resistant major depressive patients have shown rapid and long-term benefits. OBJECTIVE/HYPOTHESIS: The study used Flinders Sensitive Line (FSL) rats with previously identified depressive-like phenotype to assess the range of behavior modification achieved by MFB DBS. METHODS: Male FSL and wild-type Sprague-Dawley rats as Controls were tested on mood/anxiety/exploration, cognitive and motor behaviors...
February 8, 2018: Experimental Neurology
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