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https://www.readbyqxmd.com/read/28103644/flow-cytometric-osmotic-fragility-test-increased-assay-sensitivity-for-clinical-application-in-pediatric-hematology
#1
Olga Ciepiela, Anna Adamowicz-Salach, Agata Zgodzińska, Magdalena Łazowska, Iwona Kotuła
BACKGROUND: Osmotic Fragility Test (OFT) is widely considered as a sensitive indicator of red blood cells' sensitivity to the hypotonic solution. It is often used as a screening test for the diagnosis of hereditary spherocytosis (HS). Nowadays, the osmotic fragility test based on flow cytometric analysis (FCM OF) is widely used in laboratory practice. The purpose of this study was to optimize the assay sensitivity and to validate its clinical application in the diagnostic screening of childhood anemias...
January 19, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28103638/music-interventions-for-acquired-brain-injury
#2
REVIEW
Wendy L Magee, Imogen Clark, Jeanette Tamplin, Joke Bradt
BACKGROUND: Acquired brain injury (ABI) can result in impairments in motor function, language, cognition, and sensory processing, and in emotional disturbances, which can severely reduce a survivor's quality of life. Music interventions have been used in rehabilitation to stimulate brain functions involved in movement, cognition, speech, emotions, and sensory perceptions. An update of the systematic review published in 2010 was needed to gauge the efficacy of music interventions in rehabilitation for people with ABI...
January 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28103621/development-and-validation-of-a-training-module-on-the-use-of-acetic-acid-for-the-detection-of-barrett-s-neoplasia
#3
Fergus J Q Chedgy, Kesavan Kandiah, Hugh Barr, Simon Dwerryhouse, Balint Eross, Charles Gordon, Susi Green, Andy Li, James Brown, Gaius Longcroft-Wheaton, Pradeep Bhandari
Background and study aims Acetic acid chromoendoscopy (AAC) enhances the ability to correctly identify Barrett's neoplasia, and is increasingly used by both expert and nonexpert endoscopists. Despite its increasing use, there is no validated training strategy to achieve competence. The aims of our study were to develop a validated training tool in AAC-assisted lesion recognition, to assess endoscopists' baseline knowledge of AAC-assisted lesion recognition, and to evaluate the efficacy and impact of this training tool...
January 19, 2017: Endoscopy
https://www.readbyqxmd.com/read/28103600/indicators-of-adiposity-predictors-of-metabolic-syndrome-in-the-elderly
#4
Carolina Cunha de Oliveira, Anna Karla C Roriz, Lilian B Ramos, Mansueto Gomes Neto
BACKGROUND: Adiposity indicators can be used as predictors of cardiovascular risk in the elderly. However, there are only a very few studies that deal with the accuracy of adiposity indicators as predictors of metabolic syndrome (MS) in the elderly. We evaluated the performance of adiposity indicators of MS prediction in the elderly. METHODS: A cross-sectional study with 203 elderly people of both genders. VARIABLES: MS defined by harmonized criteria, waist circumference (WC), waist-to-height ratio (WHtR), conicity index (CI), lipid accumulation product (LAP), and visceral adiposity index (VAI)...
January 20, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28103582/ampk-autophagy-inhibition-sensitizes-icaritin-induced-anti-colorectal-cancer-cell-activity
#5
Chunxian Zhou, Jun Gu, Gang Zhang, Da Dong, Qunying Yang, Min-Bin Chen, Dongfeng Xu
The current research studied the potential effect of autophagy on icaritin-induced anti-colorectal cancer (CRC) cell activity. Treatment of icaritin in both primary and established (HT-29) CRC cells induced feedback activation of autophagy, evidenced by p62 degradation, Beclin-1 and autophagy-related gene-5 (ATG-5) upregulation, as well as light chain 3B (LC3B)-GFP puncta formation. Pharmacological inhibiting of autophagy dramatically potentiated icaritin-induced CRC cell death and apoptosis. Meanwhile, shRNA-mediated knockdown of Beclin-1 or ATG-5 also sensitized icaritin-induced CRC cell death and apoptosis...
January 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28103581/diagnostic-and-prognostic-utilities-of-humoral-fibulin-3-in-malignant-pleural-mesothelioma-evidence-from-a-meta-analysis
#6
Dongxu Pei, Yongwei Li, Xinwei Liu, Sha Yan, Xiaolan Guo, Xiaona Xu, Xiaoxia Guo
Fibulin-3 has emerged as a promising novel biomarker in conforming or monitoring malignant pleural mesothelioma (MPM). This study sought to evaluate the diagnostic and prognostic efficacies of humoral fibulin-3 for MPM. Seven eligible publications comprising 468 MPM cases for diagnosis, and 138 for prognosis were identified. Results manifested that humoral fibulin-3 sustained a pooled sensitivity of 0.62 (95% CI: 0.45-0.77) and specificity of 0.82 (95% CI: 0.73-0.89) in discriminating MPM patients from cancer-free individuals, corresponding to an AUC (area under the curve) of 0...
January 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28103574/68ga-psma-11-pet-ct-for-prostate-cancer-staging-and-risk-stratification-in-chinese-patients
#7
Shiming Zang, Guoqiang Shao, Can Cui, Tian-Nv Li, Yue Huang, Xiaochen Yao, Qiu Fan, Zejun Chen, Jin Du, Ruipeng Jia, Hongbin Sun, Zichun Hua, Jun Tang, Feng Wang
We evaluated the clinical utility of 68Ga-PSMA-11 PET/CT for staging and risk stratification of treatment-naïve prostate cancer (PCa) and metastatic castrate-resistant prostate cancer (mCRPC). Twenty-two consecutive patients with treatment-naïve PCa and 18 with mCRPC were enrolled. 68Ga-PSMA-11 PET/CT and magnetic resonance imaging (MRI) were performed for the evaluation of primary prostatic lesions, and bone scans were used for evaluation bone metastasis. Among the 40 patients, 37 (92.5% [22 treatment-naïve PCa, 15 mCRPC]) showed PSMA-avid lesions on 68Ga-PSMA-11 images...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28103573/prognostic-role-of-metformin-intake-in-diabetic-patients-with-colorectal-cancer-an-updated-qualitative-evidence-of-cohort-studies
#8
Lili Du, Mingli Wang, Yingying Kang, Bo Li, Min Guo, Zhifeng Cheng, Changlong Bi
Several observational studies have shown that metformin can modify the risk and survival of colorectal cancer (CRC) in patients with diabetes mellitus, although the magnitude of this relationship has not been determined. We conducted an updated systematic review and meta-analysis to analyze the association between metformin and CRC mortality and searched relevant databases up to July 2016. The primary outcome was overall survival (OS). Secondary outcomes were cancer-specific survival (CS) and disease-free survival (DFS)...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28103571/identification-of-aurintricarboxylic-acid-as-a-selective-inhibitor-of-the-tweak-fn14-signaling-pathway-in-glioblastoma-cells
#9
Alison Roos, Harshil D Dhruv, Ian T Mathews, Landon J Inge, Serdar Tuncali, Lauren K Hartman, Donald Chow, Nghia Millard, Holly H Yin, Jean Kloss, Joseph C Loftus, Jeffrey A Winkles, Michael E Berens, Nhan L Tran
The survival of patients diagnosed with glioblastoma (GBM), the most deadly form of brain cancer, is compromised by the proclivity for local invasion into the surrounding normal brain, which prevents complete surgical resection and contributes to therapeutic resistance. Tumor necrosis factor-like weak inducer of apoptosis (TWEAK), a member of the tumor necrosis factor (TNF) superfamily, can stimulate glioma cell invasion and survival via binding to fibroblast growth factor-inducible 14 (Fn14) and subsequent activation of the transcription factor NF-κB...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28103561/statistical-shape-modeling-of-the-left-ventricle-myocardial-infarct-classification-challenge
#10
Avan Suinesiaputra, Pierre Ablin, Xenia Alba, Martino Alessandrini, Jack Allen, W Bai, Serkan Cimen, Peter Claes, Brett R Cowan, Jan D'hooge, Nicolas Duchateau, Jan Ehrhardt, Alejandro F Frangi, Ali Gooya, Vicente Grau, Karim Lekadir, Allen Lu, Anirban Mukhopadhyay, Ilkay Oksuz, Xavier Pennec, Marco Pereanez, Catarina Pinto, Paolo Piras, Marc-Michel Rohe, Daniel Rueckert, Maxime Sermesant, Kaleem Siddiqi, Mahdi Tabassian, Luciano Teresi, Sotirios A Tsaftaris, Matthias Wilms, Alistair A Young, Xingyu Zhang, Pau Medrano-Gracia
Statistical shape modeling is a powerful tool for visualizing and quantifying geometric and functional patterns of the heart. After myocardial infarction (MI), the left ventricle typically remodels in response to physiological challenges. Several methods have been proposed in the literature to describe statistical shape changes. Which method best characterizes left ventricular remodeling after MI is an open research question. A better descriptor of remodeling is expected to provide a more accurate evaluation of disease status in MI patients...
January 17, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28103554/robust-neighborhood-preserving-projection-by-nuclear-l2-1-norm-regularization-for-image-feature-extraction
#11
Zhao Zhang, Fanzhang Li, Mingbo Zhao, Li Zhang, Shuicheng Yan
We propose two nuclear- and L2,1-norm regularized two-dimensional neighborhood preserving projection (2DNPP) methods for extracting representative 2D image features. 2DNPP extracts neighborhood preserving features via minimizing the Frobenius norm based reconstruction error that is very sensitive to noise and outliers in data. To make the distance metric more reliable and robust, and encode the neighborhood reconstruction error more accurately, we minimize the nuclear- and L2,1-norm based reconstruction error respectively and measure it over each image...
January 16, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28103517/a-noninvasive-cancer-detection-strategy-based-on-gold-nanoparticle-surface-enhanced-raman-spectroscopy-of-urinary-modified-nucleosides-isolated-by-affinity-chromatography
#12
Shangyuan Feng, Zuci Zheng, Yuanji Xu, Jinyong Lin, Guannan Chen, Cuncheng Weng, Duo Lin, Sufang Qiu, Min Cheng, Zufang Huang, Lan Wang, Rong Chen, Shusen Xie, Haishan Zeng
The search for tumor biomarkers in the urine for cancer diagnosis is currently a hot topic in clinical oncology, with potential for cancer screening and diagnosis. Modified nucleosides excreted through the urine are considered to be a general tumor marker for various cancer types. Herein, we explore a new method that utilizes surface-enhanced Raman scattering (SERS) spectroscopy to obtain a complete biochemical profile of urinary modified nucleosides. In our method, modified nucleosides are first isolated from urine sample utilizing the excellent separation ability of affinity chromatography; then supplemented with gold (Au) nanoparticles as substrate for SERS spectroscopy analysis...
January 5, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28103515/strong-synergistic-effects-in-pla-pcl-blends-impact-of-pla-matrix-viscosity
#13
Aleksandra Ostafinska, Ivan Fortelný, Jiří Hodan, Sabina Krejčíková, Martina Nevoralová, Jana Kredatusová, Zdeněk Kruliš, Jiří Kotek, Miroslav Šlouf
Blends of two biodegradable polymers, poly(lactic acid) (PLA) and poly(ϵ-caprolactone) (PCL), with strong synergistic improvement in mechanical performance were prepared by melt-mixing using the optimized composition (80/20) and the optimized preparation procedure (a melt-mixing followed by a compression molding) according to our previous study. Three different PLA polymers were employed, whose viscosity decreased in the following order: PLC ≈ PLA1 > PLA2 > PLA3. The blends with the highest viscosity matrix (PLA1/PCL) exhibited the smallest PCL particles (d∼0...
January 10, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28103487/a-turn-on-thiol-functionalized-fluorescent-carbon-quantum-dot-based-chemosensory-system-for-arsenite-detection
#14
Pooja D, Sonia Saini, Anupma Thakur, Baban Kumar, Sachin Tyagi, Manoj K Nayak
Carbon quantum dots (CQDs) have emerged out as promising fluorescent probes for hazardous heavy metals detection in recent past. In this study, water soluble CQDs were synthesized by facile microwave pyrolysis of citric acid & cysteamine, and functionalized with ditheritheritol to impart thiol functionalities at surface for selective detection of toxic arsenite in water. Microscopic analysis reveals that the synthesized CQDs are of uniform size (diameter ∼5nm) and confirmed to have surface SH groups by FT-IR...
January 12, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28103478/modulation-of-fast-narrowband-oscillations-in-the-mouse-retina-and-dlgn-according-to-background-light-intensity
#15
Riccardo Storchi, Robert A Bedford, Franck P Martial, Annette E Allen, Jonathan Wynne, Marcelo A Montemurro, Rasmus S Petersen, Robert J Lucas
Background light intensity (irradiance) substantially impacts the visual code in the early visual system at synaptic and single-neuron levels, but its influence on population activity is largely unexplored. We show that fast narrowband oscillations, an important feature of population activity, systematically increase in amplitude as a function of irradiance in both anesthetized and awake, freely moving mice and at the level of the retina and dorsal lateral geniculate nucleus (dLGN). Narrowband coherence increases with irradiance across large areas of the dLGN, but especially for neighboring units...
January 18, 2017: Neuron
https://www.readbyqxmd.com/read/28103450/paper-based-analytical-devices-for-clinical-diagnosis-recent-advances-in-the-fabrication-techniques-and-sensing-mechanisms
#16
Mazhar Sher, Rachel Zhuang, Utkan Demirci, Waseem Asghar
There is a significant interest in developing inexpensive portable biosensing platforms for various applications including disease diagnostics, environmental monitoring, food safety, and water testing at the point-of-care (POC) settings. Current diagnostic assays available in the developed world require sophisticated laboratory infrastructure and expensive reagents. Hence, they are not suitable for resource-constrained settings with limited financial resources, basic health infrastructure, and few trained technicians...
January 19, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28103414/a-meta-analysis-of-the-association-between-appraisals-of-trauma-and-posttraumatic-stress-in-children-and-adolescents
#17
Ryan Mitchell, Kate Brennan, David Curran, Donncha Hanna, Kevin F W Dyer
Cognitive models of posttraumatic stress disorder (PTSD) place an emphasis on the role of negative appraisals of traumatic events. It is suggested that the way in which the event is appraised determines the extent to which posttraumatic stress symptoms will be experienced. Therefore, a strong relationship between trauma appraisals and symptoms of PTSD might be expected. However, this relationship is not as firmly established in the child and adolescent literature. A systematic literature review of this relationship returned 467 publications, of which 11 met full eligibility criteria...
January 19, 2017: Journal of Traumatic Stress
https://www.readbyqxmd.com/read/28103406/evaluation-of-the-ability-of-polyphenol-extracts-of-cocoa-and-red-grape-to-promote-the-antioxidant-response-in-yeast-using-a-rapid-multiwell-assay
#18
Ana Peláez-Soto, María Teresa Fernández-Espinar, Patricia Roig, José Vicente Gil
Saccharomyces cerevisiae has been used as a model organism to study the capacity of cocoa and red grape extracts to trigger an antioxidant response. A methodology adapted to microtiter plates has been developed to monitor yeast growth after culture preincubation with food ingredients and exposure to oxidative stress by hydrogen peroxide and menadione. This methodology proved effective in measuring the ability of cocoa and red grape extracts to promote an antioxidant response in yeast, and also the prospect of conducting dose-response studies...
January 19, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28103397/the-economic-burden-of-nurse-sensitive-adverse-events-in-22-medical-surgical-units-retrospective-and-matching-analysis
#19
Eric Tchouaket, Carl-Ardy Dubois, Danielle D'Amour
AIMS: To assess the economic burden of nurse-sensitive adverse events (NSAEs) in 22 acute care units in Quebec by estimating excess hospital-related costs and calculating resulting additional hospital days. BACKGROUND: Recent changes in the worldwide economic and financial contexts have made the cost of patient safety a topical issue. Yet our knowledge about the economic burden of safety of nursing care is quite limited in Canada in general and Quebec in particular...
January 19, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28103307/plant-family-specific-impacts-of-petroleum-pollution-on-biodiversity-and-leaf-chlorophyll-content-in-the-amazon-rainforest-of-ecuador
#20
Paul Arellano, Kevin Tansey, Heiko Balzter, Markus Tellkamp
In recent decades petroleum pollution in the tropical rainforest has caused significant environmental damage in vast areas of the Amazon region. At present the extent of this damage is not entirely clear. Little is known about the specific impacts of petroleum pollution on tropical vegetation. In a field expedition to the Ecuadorian Amazon over 1100 leaf samples were collected from tropical trees in polluted and unpolluted sites. Plant families were identified for 739 of the leaf samples and compared between sites...
2017: PloS One
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