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https://www.readbyqxmd.com/read/28537738/a-peptoid-square-helix-via-synergistic-control-of-backbone-dihedral-angles
#1
Benjamin Craig Gorske, Emily M Mumford, Charles G Gerrity, Imelda Ko
The continued expansion of the fields of macromolecular chemistry and nanoscience has motivated the development of new secondary structures that can serve as architectural elements of innovative materials, molecular machines, biological probes, and even commercial medicines. Synthetic foldamers are particularly attractive systems for developing such elements because they are specifically designed to facilitate synthetic manipulation and functional diversity. However, relatively few predictive design principles exist that permit both rational and modular control of foldamer secondary structure, while maintaining the capacity for facile diversification of displayed functionality...
May 24, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28535306/examination-of-psychosocial-and-physiological-risk-for-bulimic-symptoms-in-youth-with-type-1-diabetes-transitioning-to-an-insulin-pump-a-pilot-study
#2
Claire M Peterson, Deborah Young-Hyman, Sarah Fischer, Jessica T Markowitz, Andrew B Muir, Lori M Laffel
This study tested hypotheses drawn from a risk model positing that psychosocial risk plus disease-related and treatment factors contribute to bulimic symptoms in youth with type 1 diabetes (T1D) transitioning to an insulin pump. The goal of this study was to examine whether disease-related factors, particularly disease- and treatment-based disruption in hunger and satiety, contribute to report of bulimic symptoms in youth with T1D after accounting for psychosocial risk factors. 43 youth (ages 10-17, 54% female) with established T1D were recruited before transition from multiple daily injections to insulin-pump therapy from three tertiary pediatric diabetes centers...
May 23, 2017: Journal of Pediatric Psychology
https://www.readbyqxmd.com/read/28534715/knowledge-attitudes-and-behaviors-related-to-child-safety-restraint-in-citizens-of-shenzhen-municipality-china-and-the-associations-between-these-factors
#3
Shengyuan Liu, Haibin Zhou, Jianping Ma, Changyi Wang, Zhongwei Chen, Sihan Chen, Yingzhou Yang, Xiaoli Liu, Ji Peng, Leilei Duan, Xiao Deng
Objective-A child safety restraint (CSR) is an effective measure to reduce the risk of child injury from traffic collisions. This study aims to explore knowledge, attitudes and behaviors regarding CSR in a Chinese population. Methods-A cross-sectional survey regarding CSR use was conducted from April to May 2014 in Shenzhen Municipality. Respondents were parents who had at least one child 0 to 6 years of age and simultaneously owned a car. These parents provided a self-report of demographic characteristics as well as information about their knowledge, attitudes and behaviors toward CSR use...
May 23, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28533759/changes-in-the-relative-balance-of-approach-and-avoidance-inclinations-to-use-alcohol-following-cue-exposure-vary-in-low-and-high-risk-drinkers
#4
Ross C Hollett, Werner G K Stritzke, Phoebe Edgeworth, Michael Weinborn
According to the ambivalence model of craving, alcohol craving involves the dynamic interplay of separate approach and avoidance inclinations. Cue-elicited increases in approach inclinations are posited to be more likely to result in alcohol consumption and risky drinking behaviors only if unimpeded by restraint inclinations. Current study aims were (1) to test if changes in the net balance between approach and avoidance inclinations following alcohol cue exposure differentiate between low and high risk drinkers, and (2) if this balance is associated with alcohol consumption on a subsequent taste test...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28533318/putting-the-brakes-on-hypertensive-remodeling-an-atf3-mechanism-of-myofibroblast-restraint
#5
EDITORIAL
Jennifer Davis
No abstract text is available yet for this article.
May 23, 2017: Circulation
https://www.readbyqxmd.com/read/28532277/temporal-parameters-of-post-stress-prophylactic-glucose-treatment-in-rats
#6
M A Conoscenti, E E Hart, N J Smith, T R Minor
Acute trauma can lead to life-long changes in susceptibility to psychiatric disease, such as Post-Traumatic Stress Disorder (PTSD). Rats given free access to a concentrated glucose solution for 24 hours beginning immediately after trauma failed to show stress-related pathology in the learned helplessness model of PTSD and comorbid major depression. We assessed effective dosing and temporal constraints of the glucose intervention in three experiments. We exposed 120 male Sprague-Dawley rats to 100, 1 mA, 3-15s, inescapable and unpredictable electric tail shocks (over a 110 minute period) or simple restraint in the learned helplessness procedure...
May 22, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28528892/hot-chicks-cold-feet
#7
Randi Oppermann Moe, Jon Bohlin, Andreas Flø, Guro Vasdal, Solveig Marie Stubsjøen
Infrared thermography (IRT) is increasingly applied as a noninvasive technique for measuring surface body temperature alterations related to e.g. stress, emotions and leg pathologies in avian species. As a basis for the validation of IRT as a future tool for veterinary diagnostics such as detection and/or prediction of subclinical footpad pathologies in broiler chickens, this study explored effects of manual restraint at two different ages on footpad temperatures. Head region temperatures were applied as additional measures of emotional arousal and stress...
May 18, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28528529/the-influence-of-depolarization-block-on-seizure-like-activity-in-networks-of-excitatory-and-inhibitory-neurons
#8
Christopher M Kim, Duane Q Nykamp
The inhibitory restraint necessary to suppress aberrant activity can fail when inhibitory neurons cease to generate action potentials as they enter depolarization block. We investigate possible bifurcation structures that arise at the onset of seizure-like activity resulting from depolarization block in inhibitory neurons. Networks of conductance-based excitatory and inhibitory neurons are simulated to characterize different types of transitions to the seizure state, and a mean field model is developed to verify the generality of the observed phenomena of excitatory-inhibitory dynamics...
May 20, 2017: Journal of Computational Neuroscience
https://www.readbyqxmd.com/read/28524236/commitment-to-care-the-most-important-coping-strategies-among-family-caregivers-of-patients-undergoing-haemodialysis
#9
Shahriar Salehi-Tali, Fazlollah Ahmadi, Kourosh Zarea, Malek Fereidooni-Moghadam
BACKGROUND: Caregivers of patients undergoing haemodialysis often experience an intensive burden of care; therefore, it is important to understand the type of strategies that are used by caregivers to adapt and to commit themselves to caring for another individual. AIM: The aim of this study was to explore the specific coping strategies used by family caregivers of patients undergoing haemodialysis. METHODS: In this qualitative study, 16 family caregivers of patients undergoing haemodialysis were selected through purposive sampling in four dialysis centres in south of Iran...
May 19, 2017: Scandinavian Journal of Caring Sciences
https://www.readbyqxmd.com/read/28522965/adolescent-ethanol-exposure-leads-to-stimulus-specific-changes-in-cytokine-reactivity-and-hypothalamic-pituitary-adrenal-axis-sensitivity-in-adulthood
#10
Andrew S Vore, Tamara Doremus-Fitzwater, Anny Gano, Terrence Deak
Adolescent alcohol use comprises a significant public health concern and is often characterized by binge-like consumption patterns. While ethanol exposure in adulthood has been shown to alter the stress response, including the Hypothalamic-Pituitary-Adrenal (HPA) axis, few studies have examined whether binge-like ethanol exposure during adolescence results in enduring changes in HPA axis sensitivity in adulthood. In the present studies, adolescent Sprague-Dawley rats were given intragastric (i.g.) intubations of ethanol (4 g/kg) or vehicle once per day for three consecutive days, beginning on postnatal day (P) 30 (±1)...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28521360/exposure-of-the-external-carotid-artery-through-the-posterior-triangle-of-the-neck-a-novel-approach-to-facilitate-bypass-procedures-to-the-posterior-cerebral-circulation
#11
Ali Tayebi Meybodi, Michael T Lawton, Pooneh Mokhtari, Olivia Kola, Ivan H El-Sayed, Arnau Benet
BACKGROUND: The external carotid artery (ECA) is the main high-flow donor for extracranial-intracranial revascularization procedures. However, anatomic restraints limit the availability of ECA in posterior exposures of the craniocervical junction aimed for bypass to distal vertebral artery segments. OBJECTIVE: To examine the feasibility and safety of exposure of the ECA through the posterior triangle of the neck. METHODS: A preliminary feasibility study on the posterior neck exposure of the ECA was performed in 1 cadaveric head (2 sides) followed by a morphometric study on 9 cadaveric heads (18 sides)...
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28521325/effect-of-high-salt-diet-on-age-related-high-blood-pressure-and-hypothalamic-redox-signaling
#12
Bilgen Basgut, Melissa A Whidden, Nataliya Kirichenko, Mary Woods, Benedek Erdos, Philip J Scarpace, Nihal Tümer
AIM: The aim of this study was to investigate the effect of a high salt (HS) diet on age-related changes in blood pressure (BP) and the possible role played by regulatory central mechanisms. METHODS: Young (5 months) and old (27 months) male Fischer 344 × Brown Norway (F344/BN) rats were fed standard chow or 8% HS diet for 12 days. BP and heart rate (HR) were measured by telemetry. RESULTS: Mean arterial BP (MAP) was significantly elevated in old rats during the day and night when compared with young animals...
May 19, 2017: Pharmacology
https://www.readbyqxmd.com/read/28521032/a-neglected-cause-of-iatrogenic-brachial-plexus-injuries-in-psychiatric-patients
#13
José Fernando Guedes-Corrêa, Maristella Reis da Costa Pereira, Francisco José Lourenço Torrão-Junior, José Vicente Martins, Daniel Alves Neiva Barbosa
BACKGROUND: Psychiatric patients are often kept immobilized during hospitalization to avoid self-inflicted injuries and danger to third parties. Inadequate positioning can lead to brachial plexus injuries (BPI). OBJECTIVE: To present a series of 5 psychiatric patients with BPI after being left sedated and restrained for prolonged periods of time during hospitalization. METHODS: We retrospectively reviewed the charts of 5 psychiatric patients with iatrogenic BPI referred by other institutions to our service...
May 18, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28515682/nitric-oxide-synthase-inhibitor-attenuates-the-effects-of-repeated-restraint-stress-on-synaptic-transmission-in-the-paraventricular-nucleus-of-the-rat-hypothalamus
#14
Magdalena Kusek, Anna Tokarska, Marcin Siwiec, Anna Gadek-Michalska, Bernadeta Szewczyk, Grzegorz Hess, Krzysztof Tokarski
Corticotropin-releasing hormone (CRH)-synthesizing parvocellular neuroendocrine cells (PNCs) of the hypothalamic paraventricular nucleus (PVN) play a key role in the activation of the hypothalamic-pituitary-adrenocortical (HPA) axis. Several studies have demonstrated that synaptic inputs to these cells may undergo stress-related enhancement but, on the other hand, it has been reported that exposition to the same stressor for prolonged time periods may induce a progressive reduction in the response of the HPA axis to homotypic stressors...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28513876/the-inter-play-between-facilitation-and-context-in-the-promoting-action-on-research-implementation-in-health-services-framework-a-qualitative-exploratory-implementation-study-embedded-in-a-cluster-randomised-controlled-trial-to-reduce-restraint-in-nursing-homes
#15
Tone Elin Mekki, Christine Øye, Bodil Margrete Kristensen, Helen Dahl, Astrid Haaland, Kristin Aas Nordin, Marta R Strandos, Toril Marie Terum, Arnt Egil Ydstebø, Brendan Mccormack
AIM: To explore the inter-play between external facilitation and nursing home contexts relative to intervention outcomes. BACKGROUND: The Promoting Action on Research Implementation in Health Services framework is frequently used to theoretically inform implementation and research in nursing and recent reviews indicate high face validity for health services. However, the inter-play and relationship between framework sub- elements of evidence, context and facilitation and the prospective utility in non-English speaking contexts warrant further illumination...
May 17, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28513397/congress-backs-summer-of-protest-over-pay
#16
Matthew Mckew
Nurses across the UK could be set for a historic summer of protest after an RCN poll revealed strong support for strikes over pay restraint. The college warned that unless the next government scraps the 1% pay cap it will hold a ballot on industrial action later this year, threatening the first ever members' strikes in the RCN's 100-year history.
May 17, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28511569/weightbearing-vs-gravity-stress-radiographs-for-stability-evaluation-of-supination-external-rotation-fractures-of-the-ankle
#17
Angela Seidel, Fabian Krause, Martin Weber
BACKGROUND: Isolated lateral malleolar fractures may result from a supination-external rotation (SER) injury of the ankle. Stable fractures maintain tibiotalar congruence due to competent medial restraints and can be treated nonoperatively with excellent functional results and long-term prognosis. Stability might be assessed with either stress radiographs or weightbearing radiographs. METHODS: A consecutive series of patients with closed SER fractures (presumed AO 44-B1) were prospectively enrolled from 2008 to 2015...
May 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28511283/a-different-inhibitor-is-required-for-overcoming-entecavir-resistance-a-comparison-of-four-rescue-therapies-in-a-retrospective-study
#18
Guosheng Yuan, Chengguang Hu, Yuchen Zhou, Junwei Liu, Huaping Huang, Yuan Li, Dinghua Yang, Fuyuan Zhou, Yong-Yuan Zhang, Yuanping Zhou
AIMS: Little clinical data are available regarding reestablishing the effective inhibition of entecavir (ETV)-resistant mutants. In this retrospective study, we aimed to compare the efficacies of four treatment regimens as rescue therapy for those chronic hepatitis B (CHB) patients with ETV resistance. METHODS: A total of 65 patients with ETV resistance were assigned either with tenofovir disoproxil fumarate (TDF) monotherapy (n=21), ETV (0.5 mg) plus adefovir (ADV) combination therapy (n=19), ETV (1...
May 16, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28507317/elevation-of-p11-in-lateral-habenula-mediates-depression-like-behavior
#19
J-S Seo, P Zhong, A Liu, Z Yan, P Greengard
The lateral habenula (LHb) is a key brain region involved in the pathophysiology of depression. It is activated by stimuli associated with negative experiences and is involved in encoding aversive signals. Hyperactivity of LHb is found in both rodent models of depression and human patients with depression. However, little is known about the underlying molecular mechanisms. Here we show that in LHb neurons, p11, a multifunctional protein implicated in depression, is significantly upregulated by chronic restraint stress...
May 16, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28506820/seasonal-variation-of-hospital-violence-seclusion-and-restraint-in-a-forensic-psychiatric-hospital
#20
Satu Kuivalainen, Katri Vehviläinen-Julkunen, Olavi Louheranta, Anu Putkonen, Eila Repo-Tiihonen, Jari Tiihonen
Several epidemiological studies have reported seasonal patterns in both violent and self-destructive behaviour. However, a few studies on hospital violence have found contradictory results. The aim of this study was to investigate whether there was any seasonal variation of violence in a forensic psychiatric hospital providing care for persons suffering from psychotic disorders and violent or self-destructive behaviour. Seasonal variation of the prevalence of seclusion and restraint was also investigated. Reports of violent incidents and seclusion and restraint statistics from between 2007 and 2012 were examined with Poisson regression analysis...
May 12, 2017: International Journal of Law and Psychiatry
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