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https://www.readbyqxmd.com/read/29149631/prostaglandin-j2-promotes-o-glcnacylation-raising-app-processing-by-%C3%AE-and-%C3%AE-secretases-relevance-to-alzheimer-s-disease
#1
Teneka Jean-Louis, Patricia Rockwell, Maria E Figueiredo-Pereira
Regulation of the amyloid precursor protein (APP) processing by α- and β-secretases is of special interest to Alzheimer's disease (AD), as these proteases prevent or mediate amyloid beta formation, respectively. Neuroinflammation is also implicated in AD. Our data demonstrate that the endogenous mediator of inflammation prostaglandin J2 (PGJ2) promotes full-length APP (FL-APP) processing by α- and β-secretases. The decrease in FL-APP was independent of proteasomal, lysosomal, calpain, caspase, and γ-secretase activities...
November 14, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/29149217/per-service-supervised-learning-for-identifying-desired-wot-apps-from-user-requests-in-natural-language
#2
Young Yoon
Web of Things (WoT) platforms are growing fast so as the needs for composing WoT apps more easily and efficiently. We have recently commenced the campaign to develop an interface where users can issue requests for WoT apps entirely in natural language. This requires an effort to build a system that can learn to identify relevant WoT functions that fulfill user's requests. In our preceding work, we trained a supervised learning system with thousands of publicly-available IFTTT app recipes based on conditional random fields (CRF)...
2017: PloS One
https://www.readbyqxmd.com/read/29148826/engagement-in-the-overdose-risk-information-orion-e-health-tool-for-opioid-overdose-prevention-and-self-efficacy-a-preliminary-study
#3
Giuseppe Carrà, Cristina Crocamo, Gerald Humphris, Tommaso Tabacchi, Francesco Bartoli, Julia Neufeind, Norbert Scherbaum, Alexander Baldacchino
Increasing awareness of, and information about, overdose risk is an appropriate approach in risk reduction. e-Health technology in substance use disorders is an opportunity to support behavioral changes related to public health concerns. The present study aimed to evaluate the short-term impact of an innovative e-health psychoeducational software, the Overdose RIsk InfOrmatioN (ORION) tool. The ORION programme provided relevant information to opioid-dependent individuals about the risk of suffering a drug overdose as a result of high risky and dysfunctional behaviors...
November 17, 2017: Cyberpsychology, Behavior and Social Networking
https://www.readbyqxmd.com/read/29148112/big-data-and-data-science-in-healthcare-what-nurses-and-midwives-need-to-know
#4
EDITORIAL
Siobhan O'Connor
The evolution of technology in contemporary society has been accelerating in recent decades, with smaller, more interconnected hardware devices and software applications becoming the norm. As desktop computing paved the way for mobile platforms, which are now transitioning to wearable devices and other sensors, it is inevitable these electronic tools will advance into the realm of nanotechnology and biotechnology in the years to come. As the proliferation of information and communication technology continues it has led to a tsunami of digital data (Bates et al, 2014), which is being collected on many aspects of life...
November 17, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/29147800/the-pediatric-heart-failure-workforce-an-international-multicenter-survey
#5
Scott R Auerbach, Melanie D Everitt, Ryan J Butts, David N Rosenthal, Yuk M Law
Our objective was to understand the scope of pediatric heart failure (HF) and the current staffing environment of HF programs. An online survey was distributed to members of the Pediatric Heart Transplant Study and the Pediatric Council of the International Society for Heart and Lung Transplantation. All participants received the primary 23-question survey. Additionally, HF program directors received a 32-question supplemental survey. Of 235 invitations sent, there were 69 (29%) primary surveys and 34 program director surveys completed (24 U...
November 17, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/29147492/alterations-in-adult-hippocampal-neurogenesis-aberrant-protein-s-nitrosylation-and-associated-spatial-memory-loss-in-streptozotocin-induced-diabetes-mellitus-type-2-mice
#6
Aneeqa Noor, Saadia Zahid
Objectives: Epidemiological and biochemical studies conducted over the past two decades have established a strong link between type 2 diabetes mellitus (T2DM) and Alzheimer's disease (AD). However, the exact mechanisms through which aberrations in insulin signaling associated with T2DM contribute to cognitive decline are not yet known. Materials and Methods: In an effort to explore possible molecular links between T2DM and AD, the present study investigated the status of neurodegeneration, adult hippocampal neurogenesis, and nitrosative stress induced protein S-nitrosylation in streptozotocin (STZ) induced mice models of T2DM...
October 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29146753/navigating-the-new-landscape-of-apps-overcoming-the-challenge-of-poor-quality-apps-in-sport-and-exercise-medicine
#7
EDITORIAL
Osman Hassan Ahmed, Hopin Lee, Hannah Marchant, Rhiannon Jones, Eric E Hall
No abstract text is available yet for this article.
November 16, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29146327/effect-of-postharvest-spray-of-apple-polyphenols-on-the-quality-of-fresh-cut-red-pitaya-fruit-during-shelf-life
#8
Panhui Fan, Donald J Huber, Zihan Su, Meijiao Hu, Zhaoyin Gao, Min Li, Xuequn Shi, Zhengke Zhang
Fresh-cut (FC) red pitaya fruit were treated with 5ga.i.l(-1) apple polyphenols (APP) and then stored at 20°C for up to 4days to evaluate the effects on attributes. Results showed that FC pitaya fruit with APP treatment showed greater colour retention, delayed softening, reduced loss of soluble solids content, titratable acidity, betacyanin and total phenolics compared with untreated FC fruit. APP treatment also maintained antioxidant activity, as indicated by higher DPPH radical-scavenging activity and reducing power compared with untreated FC pitaya fruit...
March 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29146293/andrographolide-a-promising-therapeutic-agent-negatively-regulates-glial-cell-derived-neurodegeneration-of-prefrontal-cortex-hippocampus-and-working-memory-impairment
#9
Sudeshna Das, K P Mishra, Lilly Ganju, S B Singh
Over activation of glial cell derived innate immune factors induces neuro-inflammation that results in neurodegenerative disease, like working memory impairment. In this study, we have investigated the role of andrographolide, a major constituent of Andrographis paniculata plant, in reduction of reactive glial cell derived working memory impairment. Real time PCR, Western bloting, flow cytometric and immunofluorescence studies demonstrated that andrographolide inhibited lipopolysaccharide (LPS)-induced overexpression of HMGB1, TLR4, NFκB, COX-2, iNOS, and release of inflammatory mediators in primary mix glial culture, adult mice prefrontal cortex and hippocampus region...
November 8, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29144022/collagen-a-review-on-its-sources-and-potential-cosmetic-applications
#10
REVIEW
María Isabela Avila Rodríguez, Laura G Rodríguez Barroso, Mirna Lorena Sánchez
Collagen is a fibrillar protein that conforms the conjunctive and connective tissues in the human body, essentially skin, joints, and bones. This molecule is one of the most abundant in many of the living organisms due to its connective role in biological structures. Due to its abundance, strength and its directly proportional relation with skin aging, collagen has gained great interest in the cosmetic industry. It has been established that the collagen fibers are damaged with the pass of time, losing thickness and strength which has been strongly related with skin aging phenomena [Colágeno para todo...
November 16, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/29143759/the-role-of-food-antioxidants-benefits-of-functional-foods-and-influence-of-feeding-habits-on-the-health-of-the-older-person-an-overview
#11
REVIEW
Douglas W Wilson, Paul Nash, Harpal Singh Buttar, Keith Griffiths, Ram Singh, Fabien De Meester, Rie Horiuchi, Toru Takahashi
This overview was directed towards understanding the relationship of brain functions with dietary choices mainly by older humans. This included food color, flavor, and aroma, as they relate to dietary sufficiency or the association of antioxidants with neurodegenerative diseases such as dementia and Alzheimer's disease. Impairment of olfactory and gustatory function in relation to these diseases was also explored. The role of functional foods was considered as a potential treatment of dementia and Alzheimer's disease through inhibition of acetylcholinesterase as well as similar treatments based on herbs, spices and antioxidants therein...
October 28, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29143686/acute-phase-proteins-and-markers-of-oxidative-stress-to-assess-the-severity-of-the-pulmonary-hypertension-in-heartworm-infected-dogs
#12
Elena Carretón, José Joaquín Cerón, Silvia Martínez-Subiela, Asta Tvarijonaviciute, Alicia Caro-Vadillo, José Alberto Montoya-Alonso
BACKGROUND: Canine heartworm infection is characterized by pulmonary endarteritis and pulmonary hypertension (PH). The aim of the present study was to evaluate the relationship between PH with the concentrations of different positive (C-reactive protein [CRP] and haptoglobin [Hp]) and negative (albumin and paraoxonase-1 [PON-1]) acute phase proteins (APP), as well as the oxidative stress, by measuring glutathione peroxidase (GPx) and total antioxidant capacity (TAC) in 27 heartworm-infected dogs on Day 0 (diagnosis) and Day 120 (1 month after the last adulticide injection)...
November 9, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29143665/cardiopulmonary-and-inflammatory-biomarkers-in-heartworm-disease
#13
REVIEW
Elena Carretón, Rodrigo Morchón, José Alberto Montoya-Alonso
In heartworm disease, several biomarkers of cardiopulmonary injury and inflammatory activity have been studied during the recent years. D-dimer is a fibrin degradation product present after a clot is degraded, which has been reported to provide support for the diagnosis of pulmonary thromboembolism in heartworm disease. Furthermore, concentrations increment with increased disease severity and during the adulticide treatment. This increase in concentration has proved to be valuable. Cardiac biomarkers troponin I, myoglobin and NT-proBNP demonstrated presence of myocardial injury and heart failure, especially in chronic infections, which in some cases, slightly improve after the adulticide treatment...
November 9, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29143623/the-impact-of-eliminating-within-country-inequality-in-health-coverage-on-maternal-and-child-mortality-a-lives-saved-tool-analysis
#14
Adrienne Clermont
BACKGROUND: Inequality in healthcare across population groups in low-income countries is a growing topic of interest in global health. The Lives Saved Tool (LiST), which uses health intervention coverage to model maternal, neonatal, and child health outcomes such as mortality rates, can be used to analyze the impact of within-country inequality. METHODS: Data from nationally representative household surveys (98 surveys conducted between 1998 and 2014), disaggregated by wealth quintile, were used to create a LiST analysis that models the impact of scaling up health intervention coverage for the entire country from the national average to the rate of the top wealth quintile (richest 20% of the population)...
November 7, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29142315/hiv-1-counteracts-an-innate-restriction-by-amyloid-precursor-protein-resulting-in-neurodegeneration
#15
Qingqing Chai, Vladimir Jovasevic, Viacheslav Malikov, Yosef Sabo, Scott Morham, Derek Walsh, Mojgan H Naghavi
While beta-amyloid (Aβ), a classic hallmark of Alzheimer's disease (AD) and dementia, has long been known to be elevated in the human immunodeficiency virus type 1 (HIV-1)-infected brain, why and how Aβ is produced, along with its contribution to HIV-associated neurocognitive disorder (HAND) remains ill-defined. Here, we reveal that the membrane-associated amyloid precursor protein (APP) is highly expressed in macrophages and microglia, and acts as an innate restriction against HIV-1. APP binds the HIV-1 Gag polyprotein, retains it in lipid rafts and blocks HIV-1 virion production and spread...
November 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/29141208/crispr-transcriptional-activation-analysis-unmasks-an-occult-%C3%AE-secretase-processivity-defect-in-familial-alzheimer-s-disease-skin-fibroblasts
#16
Keiichi Inoue, Luis M A Oliveira, Asa Abeliovich
Mutations in presenilin (PSEN) 1 and 2, which encode components of the γ-secretase (GS) complex, cause familial Alzheimer's disease (FAD). It is hypothesized that altered GS-mediated processing of the amyloid precursor protein (APP) to the Aβ42 fragment, which is accumulated in diseased brain, may be pathogenic. Here, we describe an in vitro model system that enables the facile analysis of neuronal disease mechanisms in non-neuronal patient cells using CRISPR gene activation of endogenous disease-relevant genes...
November 14, 2017: Cell Reports
https://www.readbyqxmd.com/read/29141194/marginal-stability-drives-irreversible-unfolding-of-large-multi-domain-family-3-glycosylhydrolases-from-thermo-tolerant-yeast
#17
Mohammad Asif Shah, Saroj Mishra, Tapan Kumar Chaudhuri
Protein folding is an extremely complex and fast, yet perfectly defined process, involving interplay of many intra and inter-molecular forces. In vitro, these molecular interactions are reversible for many proteins e.g., smaller and monomeric, organized into single domains. However, refolding of larger multi-domain/multimeric proteins is much more complicated, proceeds in a hierarchal way and is often irreversible. In a comparative study on two large, multi-domain and multimeric isozymes, β -glucosidase I (BGLI) and β-glucosidase II (BGLII) from Pichia etchellsii, we studied spontaneous and assisted refolding under three denaturing conditions viz...
November 12, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29140872/an-experimental-investigation-of-implicit-hiv-and-prep-stigma-evidence-for-ancillary-benefits-of-prep-use
#18
Sarit A Golub, Corina Lelutiu-Weinberger, Anthony Surace
BACKGROUND: PrEP stigma (i.e., negative attitudes toward PrEP users) has been widely documented and is considered a significant barrier to implementation. However, few studies have examined PrEP stigma using implicit measures designed to reduce demand characteristics in responding. This study examined implicit PrEP- and HIV-related stigma among gay and bisexual men using geospatial social networking applications (i.e., "hookup apps"). METHODS: Participants were presented with four simulated online profiles (pre-tested for comparability) paired with each of the following characteristics: HIV-negative, HIV-positive, on PrEP, or Substance User...
November 13, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29140194/validity-of-a-smartphone-application-for-measuring-ankle-plantar-flexion
#19
Robert W Cox, Rodrigo E Martinez, Russell T Baker, Lindsay W Larkins
CONTEXT: Range of motion (ROM) is a component of a physical exam used in the diagnostic and rehabilitative process. Following ankle injury and/or during research, it is common to measure plantarflexion with a universal goniometer. The ease and availability of digital inclinometers created as applications for smartphones, has led to an increase in using this method of ROM assessment. Smartphone applications have been validated as alternatives to inclinometer measurements in the knee; however, this application has not been validated for plantarflexion in the ankle...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29139163/assessment-of-hard-target-modeling-in-casp12-reveals-an-emerging-role-of-alignment-based-contact-prediction-methods
#20
Luciano A Abriata, Giorgio E Tamò, Bohdan Monastyrskyy, Andriy Kryshtafovych, Matteo Dal Peraro
We present our assessment of CASP12 modeling efforts for targets with no obvious templates of high sequence/structure similarity in the PDB, i.e. for evaluation units of the free modeling (FM) and free modeling/template-based modeling (FM/TBM) categories. Models were clustered and ranked using the Global Distance Test-Total Score and five additional metrics developed in previous CASP rounds, producing short lists of models that were subject to visual inspection in comparison to the target structures. The whole procedure was implemented as a web app that facilitates model selection and visual inspection, and could become useful to facilitate and standardize future assessments...
November 15, 2017: Proteins
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