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Bradley Fawver, Jaimie A Roper, Carolina Sarmento, Chris J Hass
We investigated the impact of initial body position on the displacement and velocity of center of pressure adjustments made during gait initiation. Twenty-nine healthy adults (21 ± 1y) initiated forward gait following six seconds of sustained forward posture based on percentage of their forward maximum voluntary lean (0, 5, 10, 20, 50%). Final center of pressure positions for each trial were back-calculated, as a percentage of maximum voluntary lean, using average anteroposterior constant error to the target during the last second of feedback...
March 17, 2018: Human Movement Science
Angela Grocott, Wilfred McSherry
(1) Background: There is limited empirical knowledge concerning aspects of healthcare that contribute to a good patient experience from the patient's perspective and how patient feedback informs service development. (2) Aim: To examine the issues that influence the effectiveness of communication on patient satisfaction, experience and engagement, in an acute National Health Service (NHS) setting, through identification of the patient's requirements and expectations. (3) Method: Data was gathered from a large teaching hospital using a Friends and Family Test (FFT) and a communication specific survey...
March 20, 2018: Healthcare (Basel, Switzerland)
Yawara Kawano, Oksana Zavidij, Jihye Park, Michele Moschetta, Katsutoshi Kokubun, Tarek H Mouhieddine, Salomon Manier, Yuji Mishima, Naoka Murakami, Mark Bustoros, Romanos Sklavenitis Pistofidis, Mairead Reidy, Yu J Shen, Mahshid Rahmat, Pavlo Lukyanchykov, Esilida Sula Karreci, Shokichi Tsukamoto, Jiantao Shi, Satoshi Takagi, Daisy Huynh, Antonio Sacco, Yu-Tzu Tai, Marta Chesi, P Leif Bergsagel, Aldo M Roccaro, Jamil Azzi, Irene M Ghobrial
Despite significant advances in the treatment of multiple myeloma (MM), most patients succumb to disease progression. One of the major immunosuppressive mechanisms that is believed to play a role in myeloma progression, is the expansion of regulatory T-cells (Tregs). In this study, we demonstrate that myeloma cells drive Treg expansion and activation by secreting type-1 interferon (IFN). Blocking IFNAR1 (interferon alpha and beta receptor 1) on Tregs significantly decreases both, myeloma-associated Treg immunosuppressive function and myeloma progression...
March 20, 2018: Journal of Clinical Investigation
Rozalynd P McConnaughy, Steven P Wilson
The goal of this content analysis was to identify commonly used content and design features of academic health sciences library home pages. After developing a checklist, data were collected from 135 academic health sciences library home pages. The core components of these library home pages included a contact phone number, a contact email address, an Ask-a-Librarian feature, the physical address listed, a feedback/suggestions link, subject guides, a discovery tool or database-specific search box, multimedia, social media, a site search option, a responsive web design, and a copyright year or update date...
April 2018: Medical Reference Services Quarterly
Aine Cafferkey, Elizabeth Coyle, David Greaney, Sinead Harte, Niamh Hayes, Miriam Langdon, Birgitt Straub, Crina Burlacu
BACKGROUND: Simulation-based education is a modern training modality that allows healthcare professionals to develop knowledge and practice skills in a safe learning environment. The College of Anaesthetists of Ireland (CAI) was the first Irish postgraduate medical training body to introduce mandatory simulation training into its curriculum. Extensive quality assurance and improvement data has been collected on all simulation courses to date. AIMS: Describe The College of Anaesthetists of Ireland Simulation Training (CAST) programme and report the analysis of course participants' feedback...
March 20, 2018: Irish Journal of Medical Science
Catarina Lopes Dias, Andreea Ioana Sburlea, Gernot R Müller-Putz
The detection of error-related potentials (ErrPs) in tasks with discrete feedback is well established in the brain-computer interface (BCI) field. However, the decoding of ErrPs in tasks with continuous feedback is still in its early stages. OBJECTIVE: We developed a task in which subjects have continuous control of a cursor's position by means of a joystick. The cursor's position was shown to the participants in two different modalities of continuous feedback: normal and jittered. The jittered feedback was created to mimic the instability that could exist if participants controlled the trajectory directly with brain signals...
March 20, 2018: Journal of Neural Engineering
Marc-Olivier Baradez, Daniela Biziato, Enas Hassan, Damian Marshall
Cell therapies offer unquestionable promises for the treatment, and in some cases even the cure, of complex diseases. As we start to see more of these therapies gaining market authorization, attention is turning to the bioprocesses used for their manufacture, in particular the challenge of gaining higher levels of process control to help regulate cell behavior, manage process variability, and deliver product of a consistent quality. Many processes already incorporate the measurement of key markers such as nutrient consumption, metabolite production, and cell concentration, but these are often performed off-line and only at set time points in the process...
2018: Frontiers in Medicine
Katie Lynn Garza, Heather M McGee, Yannick A Schenk, Rebecca R Wiskirchen
While task clarification, goal setting, feedback, and behavioral skills training (BST) are well-supported methods for performance improvement, there is no standardized approach to supervising aspiring Board Certified Behavior Analysts® (BCBAs®) that specifies how such practices should be used within a comprehensive supervision system, namely for supervising those who are still accruing experience hours for the purpose of becoming board certified. This article outlines a systematic approach to BCBA supervision and provides a set of tools that supervisors can use to ensure that they are engaging in empirically based supervision practices...
March 2018: Behavior Analysis in Practice
Cian Walsh, Patrick Ryan, Daniel Flynn
Background: This article presents a detailed idiographic analysis of Dialectical Behaviour Therapy (DBT) clinicians' experiences of team consultation meetings. DBT is an evidence-based psychological intervention with a demonstrated efficacy in the treatment of borderline personality disorder (BPD). Team consultation meetings encompass one of the primary components involved in this treatment model; where DBT clinicians regularly meet to discuss client work and enhance further learning...
2018: Borderline Personality Disorder and Emotion Dysregulation
Cheong-Yong Yun, Seon Mi Ko, Yong Pyo Choi, Beom Joon Kim, Jungno Lee, Jae Mun Kim, Ju Yeon Kim, Jin Yong Song, Song-Hee Kim, Bang Yeon Hwang, Jin Tae Hong, Sang-Bae Han, Youngsoo Kim
Rationale: cAMP up-regulates microphthalmia-associated transcription factor subtype M (MITF-M) and tyrosinase (Tyro) in the generation of heavily pigmented melanosomes. Here, we communicate a therapeutic mechanism of hyperpigmented disorder by α-viniferin, an active constituent of Caragana sinica . Methods: We used cAMP-elevated melanocyte cultures or facial hyperpigmented patches for pigmentation assays, and applied immunoprecipitation, immunobloting, RT-PCR or reporter gene for elucidation of the antimelanogenic mechanism...
2018: Theranostics
Wei Huang, Yangguang Ren, Hui Liu
Vasohibin (VASH)1 functions as a negative feedback modulator of angiogenesis in vascular endothelial cells. Mesenchymal VASH1 has been demonstrated to be negatively associated with tumor progression, however studies regarding VASH1 in tumor cells and its functions remain limited. The function of VASH1 in osteosarcoma remains unknown. In the present study, it was confirmed that osteosarcoma cells express decreased levels of VASH1 compared with that expressed by human osteoblast cells. 143B cells with decreased VASH1 expression revealed increased Adriamycin (ADR) resistance compared with U-2OS cells with increased VASH1 expression...
April 2018: Oncology Letters
Li Liu, Weili Xia, Haixia Li, Hanlai Zeng, Benhui Wei, Suoyi Han, Changxi Yin
Seed germination plays important roles in the establishment of seedlings and their subsequent growth; however, seed germination is inhibited by salinity, and the inhibitory mechanism remains elusive. Our results indicate that NaCl treatment inhibits rice seed germination by decreasing the contents of bioactive gibberellins (GAs), such as GA1 and GA4, and that this inhibition can be rescued by exogenous bioactive GA application. To explore the mechanism of bioactive GA deficiency, the effect of NaCl on GA metabolic gene expression was investigated, revealing that expression of both GA biosynthetic genes and GA-inactivated genes was up-regulated by NaCl treatment...
2018: Frontiers in Plant Science
Satoshi Nobusako, Ayami Sakai, Taeko Tsujimoto, Takashi Shuto, Yuki Nishi, Daiki Asano, Emi Furukawa, Takuro Zama, Michihiro Osumi, Sotaro Shimada, Shu Morioka, Akio Nakai
The neurological basis of developmental coordination disorder (DCD) is thought to be deficits in the internal model and mirror-neuron system (MNS) in the parietal lobe and cerebellum. However, it is not clear if the visuo-motor temporal integration in the internal model and automatic-imitation function in the MNS differs between children with DCD and those with typical development (TD). The current study aimed to investigate these differences. Using the manual dexterity test of the Movement Assessment Battery for Children (second edition), the participants were either assigned to the probable DCD (pDCD) group or TD group...
2018: Frontiers in Neurology
Clark Rosensweig, Kimberly A Reynolds, Peng Gao, Isara Laothamatas, Yongli Shan, Rama Ranganathan, Joseph S Takahashi, Carla B Green
Mammalian circadian clocks are driven by a transcription/translation feedback loop composed of positive regulators (CLOCK/BMAL1) and repressors (CRYPTOCHROME 1/2 (CRY1/2) and PER1/2). To understand the structural principles of regulation, we used evolutionary sequence analysis to identify co-evolving residues within the CRY/PHL protein family. Here we report the identification of an ancestral secondary cofactor-binding pocket as an interface in repressive CRYs, mediating regulation through direct interaction with CLOCK and BMAL1...
March 19, 2018: Nature Communications
Juan V Escobar, Isaac Pérez Castillo
When complex systems are driven to depletion by some external factor, their non-stationary dynamics can present an intermittent behaviour between relative tranquility and burst of activity whose consequences are often catastrophic. To understand and ultimately be able to predict such dynamics, we propose an underlying mechanism based on sharp thresholds of a local generalized energy density that naturally leads to negative feedback. We find a transition from a continuous regime to an intermittent one, in which avalanches can be predicted despite the stochastic nature of the process...
March 19, 2018: Scientific Reports
Il-Doo Kim, Hahnbie Lee, Seung-Woo Kim, Hye-Kyung Lee, Juli Choi, Pyung-Lim Han, Ja-Kyeong Lee
Post-stroke infection (PSI) is known to worsen functional outcomes of stroke patients and accounts to one-third of stroke-related deaths in hospital. In our previous reports, we demonstrated that massive release of high-mobility group box protein 1 (HMGB1), an endogenous danger signal molecule, is promoted by N-methyl-D-aspartic acid-induced acute damage in the postischemic brain, exacerbating neuronal damage by triggering delayed inflammatory processes. Moreover, augmentation of proinflammatory function of lipopolysaccharides (LPS) by HMGB1 via direct interaction has been reported...
March 19, 2018: Cell Death & Disease
Mone Zaidi, Maria New, Harry C Blair, Alberta Zallone, Ramkumarie Baliram, Terry F Davies, Christopher Cardozo, James Iqbal, Li Sun, Cliff Rosen, Tony Yuen
It has become increasingly clear that pituitary hormones that have traditionally been seen as regulators of single bodily processes, including endocrine functions, have additional roles in physiology. The global deletion of these hormones or their receptors in mice has yielded unexpected skeletal and metabolic phenotypes, which have been confirmed through traditional pharmacologic approaches. Initial reports showed that thyroid-stimulating hormone receptors were expressed on bone cells and that their haploinsufficiency in Tshr+/- mice caused osteopenia without affecting the thyroid function...
March 19, 2018: Journal of Endocrinology
Sarina R Isenberg, Norah L Crossnohere, Manali I Patel, Alison Conca-Cheng, John F P Bridges, Sandy M Swoboda, Thomas J Smith, Timothy M Pawlik, Matthew Weiss, Angelo E Volandes, Anne Schuster, Judith A Miller, Carolyn Pastorini, Debra L Roter, Rebecca A Aslakson
OBJECTIVE: Video-based advanc care planning (ACP) tools have been studied in varied medical contexts; however, none have been developed for patients undergoing major surgery. Using a patient- and family-centredness approach, our objective was to implement human-centred design (HCD) to develop an ACP decision support video for patients and their family members when preparing for major surgery. DESIGN AND METHODS: The study investigators partnered with surgical patients and their family members, surgeons and other health professionals to design an ACP decision support video using key HCD principles...
March 18, 2018: BMJ Supportive & Palliative Care
Kiyomichi Imamura, Hikari Yoshitane, Kazuki Hattori, Mitsuo Yamaguchi, Kento Yoshida, Takenori Okubo, Isao Naguro, Hidenori Ichijo, Yoshitaka Fukada
Daily rhythms of behaviors and physiologies are generated by the circadian clock, which is composed of clock genes and the encoded proteins forming transcriptional/translational feedback loops (TTFLs). The circadian clock is a self-sustained oscillator and flexibly responds to various time cues to synchronize with environmental 24-h cycles. However, the key molecule that transmits cellular stress to the circadian clockwork is unknown. Here we identified apoptosis signal-regulating kinase (ASK), a member of the MAPKKK family, as an essential mediator determining the circadian period and phase of cultured cells in response to osmotic changes of the medium...
March 19, 2018: Proceedings of the National Academy of Sciences of the United States of America
Tamara J Somers, Sarah A Kelleher, Caroline S Dorfman, Rebecca A Shelby, Hannah M Fisher, Krista Rowe Nichols, Keith M Sullivan, Nelson J Chao, Gregory P Samsa, Amy P Abernethy, Francis J Keefe
BACKGROUND: Pain is a challenge for patients following hematopoietic stem cell transplantation (HCT). OBJECTIVE: This study aimed to develop and test the feasibility, acceptability, and initial efficacy of a Web-based mobile pain coping skills training (mPCST) protocol designed to address the needs of HCT patients. METHODS: Participants had undergone HCT and reported pain following transplant (N=68). To guide intervention development, qualitative data were collected from focus group participants (n=25) and participants who completed user testing (n=7)...
March 19, 2018: JMIR MHealth and UHealth
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