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https://www.readbyqxmd.com/read/28446893/construction-and-validation-of-the-perceived-opportunity-to-craft-scale
#1
Jessica van Wingerden, Irene M W Niks
We developed and validated a scale to measure employees' perceived opportunity to craft (POC) in two separate studies conducted in the Netherlands (total N = 2329). POC is defined as employees' perception of their opportunity to craft their job. In Study 1, the perceived opportunity to craft scale (POCS) was developed and tested for its factor structure and reliability in an explorative way. Study 2 consisted of confirmatory analyses of the factor structure and reliability of the scale as well as examination of the discriminant and criterion-related validity of the POCS...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28445469/phylogenetic-ctdna-analysis-depicts-early-stage-lung-cancer-evolution
#2
Christopher Abbosh, Nicolai J Birkbak, Gareth A Wilson, Mariam Jamal-Hanjani, Tudor Constantin, Raheleh Salari, John Le Quesne, David A Moore, Selvaraju Veeriah, Rachel Rosenthal, Teresa Marafioti, Eser Kirkizlar, Thomas B K Watkins, Nicholas McGranahan, Sophia Ward, Luke Martinson, Joan Riley, Francesco Fraioli, Maise Al Bakir, Eva GrÖnroos, Francisco Zambrana, Raymondo Endozo, Wenya Linda Bi, Fiona M Fennessy, Nicole Sponer, Diana Johnson, Joanne Laycock, Seema Shafi, Justyna Czyzewska-Khan, Andrew Rowan, Tim Chambers, Nik Matthews, Samra Turajlic, Crispin Hiley, Siow Ming Lee, Martin D Forster, Tanya Ahmad, Mary Falzon, Elaine Borg, David Lawrence, Martin Hayward, Shyam Kolvekar, Nikolaos Panagiotopoulos, Sam M Janes, Ricky Thakrar, Asia Ahmed, Fiona Blackhall, Yvonne Summers, Dina Hafez, Ashwini Naik, Apratim Ganguly, Stephanie Kareht, Rajesh Shah, Leena Joseph, Anne Marie Quinn, Phil Crosbie, Babu Naidu, Gary Middleton, Gerald Langman, Simon Trotter, Marianne Nicolson, Hardy Remmen, Keith Kerr, Mahendran Chetty, Lesley Gomersall, Dean A Fennell, Apostolos Nakas, Sridhar Rathinam, Girija Anand, Sajid Khan, Peter Russell, Veni Ezhil, Babikir Ismail, Melanie Irvin-Sellers, Vineet Prakash, Jason F Lester, Malgorzata Kornaszewska, Richard Attanoos, Haydn Adams, Helen Davies, Dahmane Oukrif, Ayse U Akarca, John A Hartley, Helen L Lowe, Sara Lock, Natasha Iles, Harriet Bell, Yenting Ngai, Greg Elgar, Zoltan Szallasi, Roland F Schwarz, Javier Herrero, Aengus Stewart, Sergio A Quezada, Peter Van Loo, Caroline Dive, C Jimmy Lin, Matthew Rabinowitz, Hugo Jwl Aerts, Allan Hackshaw, Jacqui A Shaw, Bernhard G Zimmermann, Charles Swanton
The early detection of relapse following primary surgery for non-small cell lung cancer and the characterization of emerging subclones seeding metastatic sites might offer new therapeutic approaches to limit tumor recurrence. The potential to non-invasively track tumor evolutionary dynamics in ctDNA of early-stage lung cancer is not established. Here we conduct a tumour-specific phylogenetic approach to ctDNA profiling in the first 100 TRACERx (TRAcking non-small cell lung Cancer Evolution through therapy (Rx)) study participants, including one patient co-recruited to the PEACE (Posthumous Evaluation of Advanced Cancer Environment) post-mortem study...
April 26, 2017: Nature
https://www.readbyqxmd.com/read/28445112/tracking-the-evolution-of-non-small-cell-lung-cancer
#3
Mariam Jamal-Hanjani, Gareth A Wilson, Nicholas McGranahan, Nicolai J Birkbak, Thomas B K Watkins, Selvaraju Veeriah, Seema Shafi, Diana H Johnson, Richard Mitter, Rachel Rosenthal, Max Salm, Stuart Horswell, Mickael Escudero, Nik Matthews, Andrew Rowan, Tim Chambers, David A Moore, Samra Turajlic, Hang Xu, Siow-Ming Lee, Martin D Forster, Tanya Ahmad, Crispin T Hiley, Christopher Abbosh, Mary Falzon, Elaine Borg, Teresa Marafioti, David Lawrence, Martin Hayward, Shyam Kolvekar, Nikolaos Panagiotopoulos, Sam M Janes, Ricky Thakrar, Asia Ahmed, Fiona Blackhall, Yvonne Summers, Rajesh Shah, Leena Joseph, Anne M Quinn, Phil A Crosbie, Babu Naidu, Gary Middleton, Gerald Langman, Simon Trotter, Marianne Nicolson, Hardy Remmen, Keith Kerr, Mahendran Chetty, Lesley Gomersall, Dean A Fennell, Apostolos Nakas, Sridhar Rathinam, Girija Anand, Sajid Khan, Peter Russell, Veni Ezhil, Babikir Ismail, Melanie Irvin-Sellers, Vineet Prakash, Jason F Lester, Malgorzata Kornaszewska, Richard Attanoos, Haydn Adams, Helen Davies, Stefan Dentro, Philippe Taniere, Brendan O'Sullivan, Helen L Lowe, John A Hartley, Natasha Iles, Harriet Bell, Yenting Ngai, Jacqui A Shaw, Javier Herrero, Zoltan Szallasi, Roland F Schwarz, Aengus Stewart, Sergio A Quezada, John Le Quesne, Peter Van Loo, Caroline Dive, Allan Hackshaw, Charles Swanton
Background Among patients with non-small-cell lung cancer (NSCLC), data on intratumor heterogeneity and cancer genome evolution have been limited to small retrospective cohorts. We wanted to prospectively investigate intratumor heterogeneity in relation to clinical outcome and to determine the clonal nature of driver events and evolutionary processes in early-stage NSCLC. Methods In this prospective cohort study, we performed multiregion whole-exome sequencing on 100 early-stage NSCLC tumors that had been resected before systemic therapy...
April 26, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28428226/rapid-throughput-analysis-of-gabaa-receptor-subtype-modulators-and-blockers-using-disbac1-3-membrane-potential-red-dye
#4
Atefeh Mousavi Nik, Brandon Pressly, Vikrant Singh, Shane Antrobus, Susan Hulsizer, Michael A Rogawski, Heike Wulff, Isaac N Pessah
Fluorometric Imaging Plate Reader (FLIPR®) membrane potential dye (FMP-Red-Dye) is a proprietary tool for basic discovery and high throughput drug screening for G-protein coupled receptors and ion channels. We optimized and validated this potentiometric probe to assay functional modulators of heterologous expressed GABAA receptor (GABAAR) isoforms (synaptic α1β3γ2, extrasynaptic α4β3δ, and β3 homopentomers). High-resolution mass spectrometry identified FMP-Red-dye as DisSBAC1(3). GABAAR expressing cells equilibrated with FMP-Red-Dye exhibited depolarized equilibrium membrane (Em) potentials compared to GABAAR-null cells...
April 20, 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28426547/excessive-internet-use-in-young-women-what-are-the-implications
#5
Nik Ruzyanei Nik Jaafar, Norharlina Bahar, Normala Ibrahim, Wan Salwina Wan Ismail, Azlin Baharudin
PURPOSE OF REVIEW: There are considerable gender differences in youth engaging in excessive internet use (EIU). This review provides updates based on the recent literature focusing on the EIU in young women to describe its implications including what it constitutes of, its correlates, sequelae and preventive and/or treatment strategies. RECENT FINDINGS: Definition of EIU and its conceptualization still requires refinement. Recent studies indicate a changing trend towards female predominance of EIU...
April 19, 2017: Current Opinion in Psychiatry
https://www.readbyqxmd.com/read/28425309/laboratory-tests-on-heat-treatment-of-ballast-water-using-engine-waste-heat
#6
Rajoo Balaji, Hing Lee Siang, Omar Yaakob, Kho King Koh, Faizul Amri Bin Adnan, Nasrudin Bin Ismail, Badruzzaman Bin Ahmad, Mohd Arif Bin Ismail, W B Wan Nik
Waste heat recovery from shipboard machineries could be a potential source for heat treatment of ballast water. Similar to a shipboard schematic arrangement, a laboratory-scale engine-heat exchanger set-up harvesting waste heat from jacket water and exhaust gases was erected to test the level of species' mortalities. Mortalities were also assessed under experimental conditions for cultured and natural plankton communities at laboratory level. Effect of pump impellers on species' mortalities were also tested...
April 20, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28421003/acellular-gelatinous-material-of-human-umbilical-cord-enhances-wound-healing-a-candidate-remedy-for-deficient-wound-healing
#7
Nazihah Bakhtyar, Marc G Jeschke, Laurence Mainville, Elaine Herer, Saeid Amini-Nik
Impaired wound healing is a severe clinical challenge and research into finding effective wound healing strategies is underway as there is no ideal treatment. Gelatinous material from the umbilical cord called Wharton's jelly is a valuable source of mesenchymal stem cells which have been shown to aid wound healing. While the cellular component of Wharton's jelly has been the subject of extensive research during the last few years, little is known about the de-cellularized jelly material of the umbilical cord...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28419855/a-randomized-trial-of-silymarin-for-the-treatment-of-non-alcoholic-steatohepatitis
#8
Wah-Kheong Chan, Nik Raihan Nik Mustapha, Sanjiv Mahadeva
BACKGROUND & AIMS: Silymarin is a complex mixture of 6 major flavonolignans and other minor polyphenolic compounds derived from the milk thistle plant Silybum marianum; it has shown anti-oxidant, anti-inflammatory and anti-fibrotic effects, and may be useful in patients with non-alcoholic fatty liver disease (NAFLD). We aimed to study the efficacy of silymarin in patients with non-alcoholic steatohepatitis (NASH)-the more severe form of NAFLD. METHODS: We performed a randomized, double-blind, placebo-controlled trial of consecutive adults with biopsy-proven NASH and a NAFLD activity score (NAS) of 4 or more at a tertiary care hospital in Kuala Lumpur, Malaysia, from November 2012 through August 2014...
April 15, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28418082/non-digestible-carbohydrates-supplementation-increases-mir-32-expression-in-the-healthy-human-colorectal-epithelium-a-randomized-controlled-trial
#9
Fiona C Malcomson, Naomi D Willis, Iain McCallum, Long Xie, Bart Lagerwaard, Seamus Kelly, Michael Bradburn, Nigel J Belshaw, Ian T Johnson, John C Mathers
Colorectal cancer (CRC) risk is modulated by diet and there is convincing evidence of reduced risk with higher non-digestible carbohydrates (NDCs) consumption. Resistant starch (RS), a NDC, positively modulates the expression of oncogenic microRNAs, suggesting that this could be a mechanism through which NDCs protect against CRC. The present study aimed to investigate the effects of supplementation with two NDCs, RS and polydextrose (PD), on microRNA expression in the macroscopically-normal human rectal epithelium using samples from the DISC Study, a randomised, double-blind, placebo-controlled dietary intervention...
April 18, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28405325/controlled-attenuation-parameter-using-the-fibroscan%C3%A2-xl-probe-for-quantification-of-hepatic-steatosis-for-non-alcoholic-fatty-liver-disease-in-an-asian-population
#10
Wah-Kheong Chan, Nik Raihan Nik Mustapha, Grace Lai-Hung Wong, Vincent Wai-Sun Wong, Sanjiv Mahadeva
BACKGROUND: The FibroScan® XL probe reduces failure of liver stiffness measurement (LSM) and unreliable results in obese patients. OBJECTIVE: The objective of this article is to evaluate the accuracy of controlled attenuation parameter (CAP) obtained using the XL probe for the estimation of hepatic steatosis in patients with non-alcoholic fatty liver disease (NAFLD). METHODS: Adult NAFLD patients with a liver biopsy within six months were included and were examined with the FibroScan® M and XL probes...
February 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/28400474/suppression-of-th17-cell-differentiation-by-misshapen-nik-related-kinase-mink1
#11
Guotong Fu, Qin Xu, Yuanjun Qiu, Xuexiao Jin, Ting Xu, Shunli Dong, Jianli Wang, Yuehai Ke, Hu Hu, Xuetao Cao, Di Wang, Harvey Cantor, Xiang Gao, Linrong Lu
T helper type 17 cells (Th17 cells) are major contributors to many autoimmune diseases. In this study, we demonstrate that the germinal center kinase family member MINK1 (misshapen/NIK-related kinase 1) negatively regulates Th17 cell differentiation. The suppressive effect of MINK1 on induction of Th17 cells is mediated by the inhibition of SMAD2 activation through direct phosphorylation of SMAD2 at the T324 residue. The importance of MINK1 to Th17 cell differentiation was strengthened in the animal model of experimental autoimmune encephalomyelitis (EAE)...
April 11, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28392817/changes-of-the-mandible-after-orthodontic-treatment-with-and-without-extraction-of-four-premolars
#12
Tahereh Hosseinzadeh-Nik, Armin Eftekhari, Atefe Saffar Shahroudi, Mahammad Javad Kharrazifard
OBJECTIVES: This study was designed to assess the changes of the mandible of patients who underwent orthodontic treatment with or without extraction of four premolars. MATERIALS AND METHODS: Eighteen Class I bimaxillary protrusion patients treated with extraction of four first premolars and retraction of anterior teeth and 18 Class I non-extraction patients with a mean age of 16.38±0.4 years were selected. Cephalometric analysis was performed before and after treatment...
June 2016: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/28387775/synchrotron-ftir-mapping-of-mineralization-in-a-microfluidic-device
#13
Shunbo Li, Johannes Ihli, William J Marchant, Muling Zeng, Li Chen, Katia Wehbe, Gianfelice Cinque, Oscar Cespedes, Nik Kapur, Fiona C Meldrum
Fourier transform infrared micro-spectroscopy provides an effective means of performing rapid, non-destructive, and label-free analysis of specimens according to their vibrational modes. However, as water absorbs very strongly in the infrared region, analysis of aqueous solutions in transmission mode can suffer from problems with signal saturation. We here describe the fabrication of a novel microfluidic device that overcomes this problem. Devices with channel depths of just 3 μm were constructed from calcium fluoride using photolithography and hot embossing bonding, where calcium fluoride was selected due to its transparency in the IR region...
April 7, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28386286/a-thermostabilized-one-step-pcr-assay-for-simultaneous-detection-of-klebsiella-pneumoniae-and-haemophilus-influenzae
#14
Nur Amalina Khazani, Nik Zuraina Nik Mohd Noor, Chan Yean Yean, Habsah Hasan, Siti Suraiya, Suharni Mohamad
Klebsiella pneumoniae and Haemophilus influenzae are two common pathogens associated with respiratory tract infections. The identification of these pathogens using conventional molecular diagnostic tests requires trained personnel, cold-chain transportation, and storage-dependance, which does not render them user-friendly. The aim of this study was to develop a thermostabilized, cold-chain-free, one-step multiplex PCR for simultaneous detection of K. pneumoniae and H. influenzae. The multiplex PCR assay was designed to amplify the php gene of K...
2017: Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28381879/tfap2b-mutation-and-dental-anomalies
#15
Natchaya Tanasubsinn, Rekwan Sittiwangkul, Yupada Pongprot, Katsushige Kawasaki, Atsushi Ohazama, Thanapat Sastraruji, Massupa Kaewgahya, Piranit Nik Kantaputra
Mutations inTFAP2B has been reported in patients with isolated patent ductus arteriosus (PDA) and Char syndrome. We performed mutation analysis of TFAP2B in 43 patients with isolated PDA, 7 patients with PDA with other congenital heart defects and 286 patients with isolated tooth agenesis with or without other dental anomalies. The heterozygous c.1006G>A mutation was identified in 20 individuals. Those mutation carriers consisted of 1 patient with term PDA (1/43), 16 patients with isolated tooth agenesis with or without other dental anomalies (16/286; 5...
April 6, 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/28380115/attraction-factors-for-paederus-fuscipes-dispersal-a-vector-of-paederus-dermatitis-towards-human-residential-premises
#16
Sufian Maryam, Nik Fadzly, Abdullah Al-Ashraf Amirul, Wan Fatma Zuharah
Paederus fuscipes, a vector of Paederus dermatitis in most tropical and subtropical countries of the world have a high prevalence in human dwellings due to their positively phototaxic behaviour which has caused a tremendous impact on human health. In this paper, P. fuscipes dispersal flights were studied for two seasons of the rice cultivation phases in residential premises built close to rice field areas (≈32-60 m and 164 m) in mainland Penang, Malaysia. We examined the effects of different light illuminance, building floor level and their association with rice stages as a focal cause of P...
April 3, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28379340/liver-nf-%C3%AE%C2%BAb-inducing-kinase-nik-promotes-liver-steatosis-and-glucose-counterregulation-in-male-mice-with-obesity
#17
Yan Liu, Liang Sheng, Yi Xiong, Hong Shen, Yong Liu, Liangyou Rui
Obesity is associated with chronic inflammation and liver steatoses. Numerous proinflammatory cytokines have been reported to regulate liver glucose and lipid metabolism, thus contributing to the pathogenesis of liver steatosis and/or metabolic dysfunction. NIK is stimulated by many cytokines and mediates activation of the noncanonical NF-κB pathway. We previously reported that liver NIK is aberrantly activated in obesity; inactivation of NIK by overexpressing dominant negative NIK(KA) suppresses hepatic glucose production...
April 3, 2017: Endocrinology
https://www.readbyqxmd.com/read/28370154/risk-based-management-of-invading-plant-disease
#18
Samuel R Hyatt-Twynam, Stephen Parnell, Richard O J H Stutt, Tim R Gottwald, Christopher A Gilligan, Nik J Cunniffe
Effective control of plant disease remains a key challenge. Eradication attempts often involve removal of host plants within a certain radius of detection, targeting asymptomatic infection. Here we develop and test potentially more effective, epidemiologically motivated, control strategies, using a mathematical model previously fitted to the spread of citrus canker in Florida. We test risk-based control, which preferentially removes hosts expected to cause a high number of infections in the remaining host population...
March 28, 2017: New Phytologist
https://www.readbyqxmd.com/read/28369100/serum-wisteria-floribunda-agglutinin-positive-mac-2-binding-protein-in-non-alcoholic-fatty-liver-disease
#19
Lee-Lee Lai, Wah-Kheong Chan, Pavai Sthaneshwar, Nik Raihan Nik Mustapha, Khean-Lee Goh, Sanjiv Mahadeva
Wisteria floribunda agglutinin-positive Mac-2 binding protein (WFA+-M2BP) has been suggested to be useful for the assessment of disease severity in non-alcoholic fatty liver disease (NAFLD). Consecutive adult NAFLD patients who had a liver biopsy were included. Serum WFA+-M2BP level was measured using a lectin-antibody sandwich immunoassay using a chemiluminescence enzyme immunoassay machine (HISCL-5000, Sysmex, Kobe, Japan). The measured levels were indexed using the following equation: Cut-off index (COI) = ([WFA+-M2BP]sample-[WFA+-M2BP]NC) / ([WFA+-M2BP]PC-[WFA+-M2BP]NC), where PC = positive control and NC = negative control...
2017: PloS One
https://www.readbyqxmd.com/read/28356783/high-resolution-mapping-of-genes-involved-in-plant-stage-specific-partial-resistance-of-barley-to-leaf-rust
#20
F K S Yeo, R Bouchon, R Kuijken, A Loriaux, C Boyd, R E Niks, T C Marcel
Partial resistance quantitative trait loci (QTLs) Rphq11 and rphq16 against Puccinia hordei isolate 1.2.1 were previously mapped in seedlings of the mapping populations Steptoe/Morex and Oregon Wolfe Barleys, respectively. In this study, QTL mapping was performed at adult plant stage for the two mapping populations challenged with the same rust isolate. The results suggest that Rphq11 and rphq16 are effective only at seedling stage, and not at adult plant stage. The cloning of several genes responsible for partial resistance of barley to P...
2017: Molecular Breeding: New Strategies in Plant Improvement
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