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https://www.readbyqxmd.com/read/28635348/hope-coping-skills-and-the-prefrontal-cortex-in-alcohol-use-disorder-recovery
#1
Spencer D Bradshaw, Sterling T Shumway, Cynthia M Dsauza, Neli Morris, Nicholas D Hayes
BACKGROUND: Alcohol use disorders adversely affect individual and societal health. These disorders are a chronic brain disease, and protective factors against relapse should be studied. Prefrontal cortex (PFC) dysfunction is evident in alcohol use disorders, and research that explores recovery of the PFC in alcohol use disorders is needed, specifically in regard to how psychological and behavioral factors can augment medicalized treatments and protect against relapse. For example, hope or a belief that recovery is possible is an important cognitive construct-thought to precede behavioral action-that has been associated with relapse...
March 1, 2017: American Journal of Drug and Alcohol Abuse
https://www.readbyqxmd.com/read/28634149/a-non-invasive-restraining-system-for-awake-mouse-imaging
#2
Dan Madularu, Axel P Mathieu, Chathura Kumaragamage, Lauren Reynolds, Jamie Near, Cecilia Flores, M Natasha Rajah
BACKGROUND: Preclinical neuroimaging allows for the assessment of brain anatomy, connectivity and function in laboratory animals, such as mice and rats. Most of these studies are performed under anesthesia to avoid movement during the scanning sessions. METHOD: Due to the limitations associated with anesthetized imaging, recent efforts have been made to conduct rodent imaging studies in awake animals, habituated to the restraint systems used in these instances. As of now, only one such system is commercially available for mouse scanning (Animal Imaging Research, Boston, MA, USA) integrating the radiofrequency coil electronics with the restraining element, an approach which, although effective in reducing head motion during awake imaging, has some limitations...
June 17, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28632519/age-is-the-most-significantly-associated-risk-factor-with-the-development-of-delirium-in-patients-hospitalized-for-more-than-five-days-in-surgical-wards-retrospective-cohort-study
#3
Keisuke Kubota, Akihiro Suzuki, Sachiko Ohde, Ui Yamada, Takashi Hosaka, Fumiko Okuno, Ikumi Fujitani, Aya Koitabashi, Gen Shimada, Akihiro Kishida
OBJECTIVE: The primary purpose of this study was to assess risk factors for delirium in patients staying in a surgical ward for more than 5 days. The secondary purpose was to assess outcomes in patients with delirium. BACKGROUND: Delirium is a syndrome characterized by acute fluctuations in mental status. Patients with delirium are at increased risk of adverse inpatient events, higher mortality and morbidity rates, prolonged hospital stays, and increased health care costs...
June 19, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28632394/changes-in-eating-behaviors-of-children-with-obesity-in-response-to-carbohydrate-modified-and-portion-controlled-diets
#4
Shelley Kirk, Jessica G Woo, Bonnie Brehm, Stephen R Daniels, Brian E Saelens
OBJECTIVE: This study's objective was to determine whether two distinct carbohydrate (CHO)-modified diets and a standard portion-controlled (PC) diet differentially impacted children's eating behaviors and whether eating behavior scores predicted lower BMI among children with obesity. METHODS: Children (n = 102) aged 7-12 years with obesity were randomly assigned to a 12-month intervention of a low-carbohydrate (LC), reduced glycemic load (RGL), or standard PC diet...
June 20, 2017: Childhood Obesity
https://www.readbyqxmd.com/read/28632288/all-arthroscopic-superior-shoulder-capsule-reconstruction-with-partial-rotator-cuff-repair
#5
E Grant Sutter, Jonathan A Godin, Grant E Garrigues
Massive irreparable rotator cuff tears are difficult to treat. Although several treatment options exist, none provides superior long-term results. There is no consensus on optimal surgical technique. Superior capsular reconstruction is an operative treatment option aimed at restoring native biomechanics of the glenohumeral joint by providing a restraint to superior subluxation. Partial rotator cuff repair for massive tears has also been shown to improve shoulder kinematics and can be performed in conjunction with superior capsule reconstruction...
June 20, 2017: Orthopedics
https://www.readbyqxmd.com/read/28629613/out-of-the-institution-into-the-classroom-legal-challenges-to-the-use-of-restraint-and-seclusion-in-school-settings-in-the-united-states
#6
Lycette Nelson
The issue of restraint and seclusion of children with mental and developmental disabilities in schools has gained greater attention in the United States in recent years as more children with disabilities are attending mainstream schools. This article looks at how cases brought on behalf of children who have been subjected to such treatment fit or fail to fit within a well-developed jurisprudence that provides constitutional protections for the rights of people with mental disabilities to be free from discrimination and from cruel and unusual punishment...
June 16, 2017: International Journal of Law and Psychiatry
https://www.readbyqxmd.com/read/28629541/stress-and-loss-of-adult-neurogenesis-differentially-reduce-hippocampal-volume
#7
Timothy J Schoenfeld, Hayley C McCausland, H Douglas Morris, Varun Padmanaban, Heather A Cameron
BACKGROUND: Hippocampal volume loss is a hallmark of clinical depression. Chronic stress produces volume loss in the hippocampus in humans and atrophy of CA3 pyramidal cells and suppression of adult neurogenesis in rodents. METHODS: To investigate the relationship between decreased adult neurogenesis and stress-induced changes in hippocampal structure and volume, we compared the effects of chronic unpredictable restraint stress and inhibition of neurogenesis in a rat pharmacogenetic model...
May 22, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28626944/food-insecurity-and-eating-disorder-pathology
#8
Carolyn Black Becker, Keesha Middlemass, Brigitte Taylor, Clara Johnson, Francesca Gomez
OBJECTIVE: The primary aim of this study was to investigate eating disorder (ED) pathology in those living with food insecurity. A secondary aim was to investigate whether any-reason dietary restraint, weight self-stigma, and worry increased as level of food insecurity increased. METHOD: Participants (N = 503) seeking food from food pantries completed questionnaires assessing level of food insecurity, demographics, ED pathology, dietary restraint, weight self-stigma, and worry...
June 18, 2017: International Journal of Eating Disorders
https://www.readbyqxmd.com/read/28626906/behavioural-implications-of-traditional-treatment-and-closed-loop-automated-insulin-delivery-systems-in-type-1-diabetes-applying-a-cognitive-restraint-theory-framework
#9
REVIEW
A R Kahkoska, E J Mayer-Davis, K K Hood, D M Maahs, K S Burger
As the prevalence of obesity in Type 1 diabetes rises, the effects of emerging therapy options should be considered in the context of both weight and glycaemic control outcomes. Artificial pancreas device systems will 'close the loop' between blood glucose monitoring and automated insulin delivery and may transform day-to-day dietary management for people with Type 1 diabetes in multiple ways. In the present review, we draw directly from cognitive restraint theory to consider unintended impacts that closed-loop systems may have on ingestive behaviour and food intake...
June 19, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28625590/intranasal-cotinine-improves-memory-and-reduces-depressive-like-behavior-and-gfap-cells-loss-induced-by-restraint-stress-in-mice
#10
Nelson Perez-Urrutia, Cristhian Mendoza, Nathalie Alvarez-Ricartes, Patricia Oliveros-Matus, Florencia Echeverria, J Alex Grizzell, George E Barreto, Alexandre Iarkov, Valentina Echeverria
Posttraumatic stress disorder (PTSD), chronic psychological stress, and major depressive disorder have been found to be associated with a significant decrease in glial fibrillary acidic protein (GFAP) immunoreactivity in the hippocampus of rodents. Cotinine is an alkaloid that prevents memory impairment, depressive-like behavior and synaptic loss when co-administered during restraint stress, a model of PTSD and stress-induced depression, in mice. Here, we investigated the effects of post-treatment with intranasal cotinine on depressive- and anxiety-like behaviors, visual recognition memory as well as the number and morphology of GFAP+ immunoreactive cells, in the hippocampus and frontal cortex of mice subjected to prolonged restraint stress...
June 15, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28625000/mechanical-restraint-in-an-emergency-department-a-consecutive-series-of-593-cases
#11
Nicolas Beysard, Bertrand Yersin, Pierre-Nicolas Carron
The objective is to describe the characteristics of mechanically restrained patients in the emergency department (ED) of a university hospital and to evaluate the quality of restraint documentation that was filled out according to the dedicated protocol with respect to the law on restraint. All adult patients (≥16 years) who were admitted to the ED from January 2009 to December 2010 and were mechanically restrained were included. We assessed medical and demographic characteristics, the completeness of the dedicated protocol, and the concomitant use of chemical sedation...
June 17, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28624376/orthorexia-nervosa-and-eating-disorder-symptoms-in-registered-dietitian-nutritionists-in-the-united-states
#12
Kaylee Tremelling, Lona Sandon, Gloria L Vega, Carrie J McAdams
BACKGROUND: Registered dietitian nutritionists are trained to identify optimal food choices for clients based on medical state and lifestyle. Orthorexia nervosa (ON) is a proposed disorder related to obsessions about eating healthfully. Eating disorders (EDs) are serious mental illnesses with symptoms related to eating, body image, and self-esteem. Both ON and EDs are more common among RDNs than the general population. OBJECTIVE: This study examined the prevalence of ON and EDs in RDNs in the United States and, among this sample, assessed whether the presence of ON symptoms related to symptoms of EDs, including weight, shape, eating, and restraint...
June 14, 2017: Journal of the Academy of Nutrition and Dietetics
https://www.readbyqxmd.com/read/28624346/theta-burst-magnetic-stimulation-over-the-pre-supplementary-motor-area-improves-motor-inhibition
#13
Ignacio Obeso, Leonora Wilkinson, James T Teo, Penelope Talelli, John C Rothwell, Marjan Jahanshahi
BACKGROUND: Stopping an ongoing motor response or resolving conflict induced by conflicting stimuli are associated with activation of a right-lateralized network of inferior frontal gyrus (IFG), pre-supplementary motor area (pre-SMA) and subthalamic nucleus (STN). However, the roles of the right IFG and pre-SMA in stopping a movement and in conflict resolution remain unclear. We used continuous theta burst stimulation (cTBS) to examine the involvement of the right IFG and pre-SMA in inhibition and conflict resolution using the conditional stop signal task...
May 22, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/28624051/persistent-injury-associated-anemia-the-role-of-the-bone-marrow-microenvironment
#14
Jessica K Millar, Kolenkode B Kannan, Tyler J Loftus, Ines G Alamo, Jessica Plazas, Philip A Efron, Alicia M Mohr
BACKGROUND: The regulation of erythropoiesis involves hematopoietic progenitor cells, bone marrow stroma, and the microenvironment. Following severe injury, a hypercatecholamine state develops that is associated with increased mobilization of hematopoietic progenitor cells to peripheral blood and decreased growth of bone marrow erythroid progenitor cells that manifests clinically as a persistent injury-associated anemia. Changes within the bone marrow microenvironment influence the development of erythroid progenitor cells...
June 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28623763/saturated-high-fat-feeding-independent-of-obesity-alters-hypothalamus-pituitary-adrenal-axis-function-but-not-anxiety-like-behaviour
#15
Cecile Hryhorczuk, Léa Décarie-Spain, Sandeep Sharma, Caroline Daneault, Christine Des Rosiers, Thierry Alquier, Stephanie Fulton
Overconsumption of dietary fat can elicit impairments in emotional processes and the response to stress. While excess dietary lipids have been shown to alter hypothalamus-pituitary-adrenal (HPA) axis function and promote anxiety-like behaviour, it is not known if such changes rely on elevated body weight and if these effects are specific to the type of dietary fat. The objective of this study was to investigate the effect of a saturated and a monounsaturated high-fat diet (HFD) on HPA axis function and anxiety-like behaviour in rats...
June 10, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28623748/occupant-thorax-response-variations-due-to-arm-position-and-restraint-systems-in-side-impact-crash-scenarios
#16
Donata Gierczycka, Duane S Cronin
Recent epidemiological studies have identified that thoracic side airbags may vary in efficacy to reduce injury severity in side impact crash scenarios, while previous experimental and epidemiological studies have presented contrasting results. This study aimed to quantify the variations in occupant response in side impact conditions using a human body computational model integrated with a full vehicle model. The model was analyzed for a Moving Deformable Barrier side impact at 61km/h to assess two pre-crash arm positions, the incorporation of a seatbelt, and a thorax air bag on thorax response...
June 13, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28621257/oral-transmucosal-detomidine-gel-in-new-zealand-white-rabbits-oryctolagus-cuniculus
#17
Morika D Williams, C Tyler Long, Jessica R Durrant, Gabriel P McKeon, Heather R Shive, Emily H Griffith, Kristen M Messenger, Richard E Fish
Handling and restraining rabbits for routine procedures may be impossible without prior sedation, result in unnecessarystress or injury to the rabbit or handler, and increase experimental variability. Parenteral administration of sedatives can cause stress also, as well as localized pain and tissue damage, especially in fractious animals. Detomidine hydrochloride, an α2-adrenergic receptor agonist, is commercially available in an oral transmucosal (OTM) gel formulation that is FDA-approved for sedation and restraint in horses...
June 15, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28617580/progressive-stereo-locking-psl-a-residual-dipolar-coupling-based-force-field-method-for-determining-the-relative-configuration-of-natural-products-and-other-small-molecules
#18
Gabriel Cornilescu, René F Ramos Alvarenga, Thomas P Wyche, Tim S Bugni, Roberto R Gil, Claudia C Cornilescu, William M Westler, John L Markley, Charles D Schwieters
Establishing the relative configuration of a bioactive natural product represents the most challenging part in determining its structure. Residual dipolar couplings (RDCs) are sensitive probes of the relative spatial orientation of internuclear vectors. We adapted a force field structure calculation methodology to allow free sampling of both R and S configurations of the stereocenters of interest. The algorithm uses a floating alignment tensor in a simulated annealing protocol to identify the conformations and configurations that best fit experimental RDC and distance restraints (from NOE and J-coupling data)...
June 15, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28616711/integrating-noe-and-rdc-using-sum-of-squares-relaxation-for-protein-structure-determination
#19
Y Khoo, A Singer, D Cowburn
We revisit the problem of protein structure determination from geometrical restraints from NMR, using convex optimization. It is well-known that the NP-hard distance geometry problem of determining atomic positions from pairwise distance restraints can be relaxed into a convex semidefinite program (SDP). However, often the NOE distance restraints are too imprecise and sparse for accurate structure determination. Residual dipolar coupling (RDC) measurements provide additional geometric information on the angles between atom-pair directions and axes of the principal-axis-frame...
June 14, 2017: Journal of Biomolecular NMR
https://www.readbyqxmd.com/read/28616445/nitroxide-labeling-of-proteins-and-the-determination-of-paramagnetic-relaxation-derived-distance-restraints-for-nmr-studies
#20
Megan Sjodt, Robert T Clubb
Site-specific attachment of paramagnetic spin labels to biomolecules causes distance-dependent line-broadening effects, which can be exploited to study the structure and dynamics of these molecules in solution. This protocol describes how to attach nitroxide spin labels to proteins and how to collect and analyze NMR data using these labeled samples. We also explain how to derive distance restraints for paramagnetic relaxation enhancement nuclear magnetic resonance (PRE-NMR) studies.
April 5, 2017: Bio-protocol
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