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https://www.readbyqxmd.com/read/28545060/signet-a-signaling-network-data-simulator-to-enable-signaling-network-inference
#1
Elizabeth A Coker, Costas Mitsopoulos, Paul Workman, Bissan Al-Lazikani
Network models are widely used to describe complex signaling systems. Cellular wiring varies in different cellular contexts and numerous inference techniques have been developed to infer the structure of a network from experimental data of the network's behavior. To objectively identify which inference strategy is best suited to a specific network, a gold standard network and dataset are required. However, suitable datasets for benchmarking are difficult to find. Numerous tools exist that can simulate data for transcriptional networks, but these are of limited use for the study of signaling networks...
2017: PloS One
https://www.readbyqxmd.com/read/28544123/assessing-the-need-for-a-pre-exposure-prophylaxis-programme-using-the-social-media-app-grindr%C3%A2
#2
B Hampel, K Kusejko, D L Braun, J Harrison-Quintana, R Kouyos, J Fehr
OBJECTIVES: HIV pre-exposure prophylaxis (PrEP) is not approved in Switzerland and therefore must be paid for by the users themselves. We conducted a survey to find out whether men who have sex with men (MSM) in Switzerland are already taking PrEP, or are considering using it, and whether it is being taken under medical supervision or not. METHODS: Grindr® is a geosocial networking app for MSM. Between 5 and 24 January 2017, users of the app who were located in Switzerland by a global positioning system (GPS) were asked to participate in a ten-question survey on PrEP use...
May 19, 2017: HIV Medicine
https://www.readbyqxmd.com/read/28543566/preventing-recurrent-ankle-sprains-is-the-use-of-an-app-more-cost-effective-than-a-printed-booklet-results-of-a-rct
#3
M Van Reijen, I Vriend, W van Mechelen, E A Verhagen
OBJECTIVES: Recurrent ankle sprains can be reduced by following a neuromuscular training (NMT) program via a printed Booklet or a mobile application. Regarding the high incidence of ankle sprains, cost-effectiveness regarding implementation can have a large effect on total societal costs. DESIGN: In this economic analysis we evaluated whether the method of implementing a proven effective NMT program by using an App or a Booklet resulted in differences in injury incidence rates leading to costs and hence to differences in cost-effectiveness...
May 19, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28543302/a-randomised-controlled-trial-of-an-ipad-based-application-to-complement-early-behavioural-intervention-in-autism-spectrum-disorder
#4
Andrew J O Whitehouse, Joanna Granich, Gail Alvares, Margherita Busacca, Matthew N Cooper, Alena Dass, Thi Duong, Rajes Harper, Wendy Marshall, Amanda Richdale, Tania Rodwell, David Trembath, Pratibha Vellanki, Dennis W Moore, Angelika Anderson
BACKGROUND: Technology-based interventions for Autism Spectrum Disorder (ASD) have proliferated, but few have been evaluated within the context of a randomised controlled trial (RCT). This RCT evaluated the efficacy of one technology-based early intervention programme (Therapy Outcomes By You; TOBY) in young children with ASD. METHODS: TOBY is an app-based learning curriculum designed for children and parents as a complement to early behavioural intervention. Eighty children (16 female) were recruited to this RCT within 12 months of receiving a diagnosis of ASD (M age = 3...
May 25, 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28543040/automated-smartphone-audiometry-validation-of-a-word-recognition-test-app
#5
Nicholas A Dewyer, Patpong Jiradejvong, Jennifer Henderson Sabes, Charles J Limb
OBJECTIVES/HYPOTHESIS: Develop and validate an automated smartphone word recognition test. STUDY DESIGN: Cross-sectional case-control diagnostic test comparison. METHODS: An automated word recognition test was developed as an app for a smartphone with earphones. English-speaking adults with recent audiograms and various levels of hearing loss were recruited from an audiology clinic and were administered the smartphone word recognition test...
May 23, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28542575/the-anti-inflammatory-and-antioxidant-effects-of-melatonin-on-lps-stimulated-bovine-mammary-epithelial-cells
#6
Guang-Min Yu, Hirokazu Kubota, Miki Okita, Teruo Maeda
Mastitis is the most prevalent disease in dairy cattle worldwide and not only causes huge economic losses in the dairy industry but also threatens public health. To evaluate the therapeutic potential of melatonin in mastitis, we examined the ability of melatonin to protect bovine mammary epithelial cells (bMECs) from the harmful effects of lipopolysaccharide (LPS). We found that melatonin inhibited the LPS-binding protein-CD14-TLR4 signaling pathway in bMECs, which had opposing effects on pro-inflammatory and anti-inflammatory mediators...
2017: PloS One
https://www.readbyqxmd.com/read/28542502/in-vivo-transduction-of-neurons-with-tat-uch-l1-protects-brain-against-controlled-cortical-impact-injury
#7
Hao Liu, Marie E Rose, Xiecheng Ma, Sherman Culver, C Edward Dixon, Steven H Graham
Many mechanisms or pathways are involved in secondary post-traumatic brain injury, such as the ubiquitin-proteasome pathway (UPP), axonal degeneration and neuronal cell apoptosis. UCH-L1 is a protein that is expressed in high levels in neurons and may have important roles in the UPP, autophagy and axonal integrity. The current study aims to evaluate the role of UCH-L1 in post-traumatic brain injury (TBI) and its potential therapeutic effects. A novel protein was constructed that fused the protein transduction domain (PTD) of trans-activating transduction (TAT) protein with UCH-L1 (TAT-UCH-L1) in order to promote neuronal transduction...
2017: PloS One
https://www.readbyqxmd.com/read/28542392/acute-exercise-does-not-modify-brain-activity-and-memory-performance-in-app-ps1-mice
#8
Angelica Miki Stein, Victor Munive, Ana M Fernandez, Angel Nuñez, Ignacio Torres Aleman
Age is the main risk factor for Alzheimer´s disease (AD). With an increasingly aging population, development of affordable screening techniques to determine cognitive status will help identify population-at-risk for further follow-up. Because physical exercise is known to modulate cognitive performance, we used it as a functional test of cognitive health. Mice were submitted to treadmill running at moderate speed for 30 min, and their brain activity was monitored before and after exercise using electrocorticogram (ECG) recordings...
2017: PloS One
https://www.readbyqxmd.com/read/28541882/web-app-based-patient-education-in-psoriasis-a-randomized-controlled-trial
#9
Spencer D Hawkins, Steven Barilla, Steven R Feldman
PURPOSE: Patients report wanting more information about psoriasis and clear expectations from the onset of therapy. Dermatologists do not think patients receive or internalize adequate information. There isa need for further explanation of treatment regimens to increase knowledge, compliance, and patient satisfaction. Recent advancements in web technology have the potential to improve these psoriasis outcomes. METHODS: A web based application was created to educate psoriasis patients using video, graphics, and textual information...
April 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28541569/implementation-and-evaluation-of-a-smartphone-application-for-the-perioperative-care-of-neurosurgery-patients-at-an-academic-medical-center-implications-for-patient-satisfaction-surgery-cancelations-and-readmissions
#10
Daniel R Felbaum, Jeffrey J Stewart, Amjad N Anaizi, Faheem A Sandhu, Mani N Nair, Jean-Marc Voyadzis
BACKGROUND: Smartphone applications (apps) in the health care arena are being increasingly developed with the aim of benefiting both patients and their physicians. The delivery of adequate instructions both before and after a procedure or surgery is of paramount importance in ensuring the best possible outcome for patients. OBJECTIVE: To demonstrate that app-based instructions with built-in reminders may improve patient understanding and compliance and contribute to reducing the number of surgery cancellations and postoperative complications and readmissions...
May 25, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28541464/quality-and-usability-of-arthritic-pain-self-management-apps-for-older-adults-a-systematic-review
#11
Priyanka Bhattarai, Tro Newton-John, Jane L Phillips
Objective.:  To appraise the quality and usability of currently available pain applications that could be used by community-dwelling older adults to self-manage their arthritic pain. Methods. : A systematic review. Searches were conducted in App Store and Google Play to identify pain self-management apps relevant to arthritic pain management. English language pain management apps providing pain assessment and documentation function and pain management education were considered for inclusion...
May 25, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28540146/-combined-diagnostic-tool-application-to-a-retrospective-series-of-patients-undergoing-total-joint-revision-surgery
#12
Enrico Gallazzi, Lorenzo Drago, Andrea Baldini, Ian Stockley, David A George, Sara Scarponi, Carlo L Romanò
Background: Differentiating between septic and aseptic joint prosthesis may be challenging, since no single test is able to confirm or rule out infection. The choice and interpretation of the panel of tests performed in any case often relies on empirical evaluation and poorly validated scores. The "Combined Diagnostic Tool (CDT)" App, a smartphone application for iOS, was developed to allow to automatically calculate the probability of having a of periprosthetic joint infection, on the basis of the relative sensitivity and specificity of the positive and negative diagnostic tests performed in any given patient...
2017: J Bone Jt Infect
https://www.readbyqxmd.com/read/28539872/the-role-of-app-in-structural-spine-plasticity
#13
REVIEW
Elena Montagna, Mario M Dorostkar, Jochen Herms
Amyloid precursor protein (APP) is a transmembrane protein highly expressed in neurons. The full-length protein has cell-adhesion and receptor-like properties, which play roles in synapse formation and stability. Furthermore, APP can be cleaved by several proteases into numerous fragments, many of which affect synaptic function and stability. This review article focuses on the mechanisms of APP in structural spine plasticity, which encompasses the morphological alterations at excitatory synapses. These occur as changes in the number and morphology of dendritic spines, which correspond to the postsynaptic compartment of excitatory synapses...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28539479/%C3%AE-secretase-inhibitors-in-cancer-clinical-trials-are-pharmacologically-and-functionally-distinct
#14
Yong Ran, Fokhrul Hossain, Antonio Pannuti, Christian B Lessard, Gabriela Z Ladd, Joo In Jung, Lisa M Minter, Barbara A Osborne, Lucio Miele, Todd E Golde
γ-Secretase inhibitors (GSIs) are being actively repurposed as cancer therapeutics based on the premise that inhibition of NOTCH1 signaling in select cancers is therapeutic. Using novel assays to probe effects of GSIs against a broader panel of substrates, we demonstrate that clinical GSIs are pharmacologically distinct. GSIs show differential profiles of inhibition of the various NOTCH substrates, with some enhancing cleavage of other NOTCH substrates at concentrations where NOTCH1 cleavage is inhibited. Several GSIs are also potent inhibitors of select signal peptide peptidase (SPP/SPPL) family members...
May 24, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28539305/deconstructing-cancer-patient-information-seeking-in-a-consumer-health-library-toward-developing-a-virtual-information-consult-for-cancer-patients-and-their-caregivers-a-qualitative-instrumental-case-study
#15
Janet Papadakos, Aileen Trang, Alaina B Cyr, Nazek Abdelmutti, Meredith E Giuliani, Michelle Snow, Tara McCurdie, Menaka Pulandiran, Sara Urowitz, David Wiljer
BACKGROUND: Cancer patients and their caregivers want information about their disease and are interested in finding health information online. Despite the abundance of cancer information online, it is often fragmented, its quality is highly variable, and it can be difficult to navigate without expert-level knowledge of the cancer system. The Patient & Family Library at the Princess Margaret Cancer Centre offers a broad collection of high-quality cancer health information and staff are available to help patrons refine their questions and explore information needs that they may not have considered...
May 24, 2017: JMIR Cancer
https://www.readbyqxmd.com/read/28539302/diversity-in-older-adults-use-of-the-internet-identifying-subgroups-through-latent-class-analysis
#16
Leonieke C van Boekel, Sebastiaan Tm Peek, Katrien G Luijkx
BACKGROUND: As for all individuals, the Internet is important in the everyday life of older adults. Research on older adults' use of the Internet has merely focused on users versus nonusers and consequences of Internet use and nonuse. Older adults are a heterogeneous group, which may implicate that their use of the Internet is diverse as well. Older adults can use the Internet for different activities, and this usage can be of influence on benefits the Internet can have for them. OBJECTIVE: The aim of this paper was to describe the diversity or heterogeneity in the activities for which older adults use the Internet and determine whether diversity is related to social or health-related variables...
May 24, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28537903/amyloid-precursor-like-protein-1-promotes-jnk-mediated-cell-migration-in-drosophila
#17
Xingjun Wang, Ying Sun, Shilong Han, Chenxi Wu, Yeqing Ma, Yu Zhao, Yingyao Shao, Yujun Chen, Lingzhi Kong, Wenzhe Li, Fan Zhang, Lei Xue
The amyloid precursor like protein-1 (APLP1) is a member of the amyloid precursor protein (APP) family in mammals. While many studies have been focused on the pathologic role of APP in Alzheimer's disease, the physiological functions of APLP1 have remained largely elusive. Here we report that ectopic expression of APLP1 in Drosophila induces cell migration, which is suppressed by the loss of JNK signaling and enhanced by the gain of JNK signaling. APLP1 activates JNK signaling through phosphorylation of JNK, which up-regulates the expression of matrix metalloproteinase MMP1 required for basement membranes degradation and promotes actin remodeling essential for cell migration...
May 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28537274/characterization-of-pathogenic-sorl1-genetic-variants-for-association-with-alzheimer-s-disease-a-clinical-interpretation-strategy
#18
Henne Holstege, Sven J van der Lee, Marc Hulsman, Tsz Hang Wong, Jeroen Gj van Rooij, Marjan Weiss, Eva Louwersheimer, Frank J Wolters, Najaf Amin, André G Uitterlinden, Albert Hofman, M Arfan Ikram, John C van Swieten, Hanne Meijers-Heijboer, Wiesje M van der Flier, Marcel Jt Reinders, Cornelia M van Duijn, Philip Scheltens
Accumulating evidence suggests that genetic variants in the SORL1 gene are associated with Alzheimer disease (AD), but a strategy to identify which variants are pathogenic is lacking. In a discovery sample of 115 SORL1 variants detected in 1908 Dutch AD cases and controls, we identified the variant characteristics associated with SORL1 variant pathogenicity. Findings were replicated in an independent sample of 103 SORL1 variants detected in 3193 AD cases and controls. In a combined sample of the discovery and replication samples, comprising 181 unique SORL1 variants, we developed a strategy to classify SORL1 variants into five subtypes ranging from pathogenic to benign...
May 24, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28536095/development-of-a-modular-research-platform-to-create-medical-observational-studies-for-mobile-devices
#19
Martin Zens, Birgit Grotejohann, Adrian Tassoni, Fabian Duttenhoefer, Norbert P Südkamp, Philipp Niemeyer
BACKGROUND: Observational studies have proven to be a valuable resource in medical research, especially when performed on a large scale. Recently, mobile device-based observational studies have been discovered by an increasing number of researchers as a promising new source of information. However, the development and deployment of app-based studies is not trivial and requires profound programming skills. OBJECTIVE: The aim of this project was to develop a modular online research platform that allows researchers to create medical studies for mobile devices without extensive programming skills...
May 23, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28536040/the-flir-one-thermal-imager-for-the-assessment-of-burn-wounds-reliability-and-validity-study
#20
M E H Jaspers, M E Carrière, A Meij-de Vries, J H G M Klaessens, P P M van Zuijlen
BACKGROUND: Objective measurement tools may be of great value to provide early and reliable burn wound assessment. Thermal imaging is an easy, accessible and objective technique, which measures skin temperature as an indicator of tissue perfusion. These thermal images might be helpful in the assessment of burn wounds. However, before implementation of a novel measurement tool into clinical practice is considered, it is appropriate to test its clinimetric properties (i.e. reliability and validity)...
May 20, 2017: Burns: Journal of the International Society for Burn Injuries
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