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https://www.readbyqxmd.com/read/28536261/the-let-7-lin28-axis-regulates-activation-of-hepatic-stellate-cells-in-alcoholic-liver-injury
#1
Kelly McDaniel, Li Huang, Keisaku Sato, Nan Wu, Tami Annable, Tianhao Zhou, Sugeily Ramos-Lorenzo, Ying Wan, Qiaobing Huang, Heather Francis, Shannon Glaser, Hidekazu Tsukamoto, Gianfranco Alpini, Fanyin Meng
The let-7/lin28 axis is associated with the regulation of key cellular regulatory genes known as microRNAs (miRNAs) in different human disorders and cancer development. This study evaluated the role of the let-7/lin28 axis in regulating a mesenchymal phenotype of hepatic stellate cells in alcoholic liver injury. We identified that ethanol feeding significantly downregulated several members of the let-7 family in mouse liver, including let-7a and let-7b. Similarly, the treatment of human hepatic stellate cells (hHSCs) with lipopolysaccharide (LPS) and TGF-β significantly decreased the expressions of let-7a and let-7b...
May 23, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28531164/dual-polarization-observations-of-slowly-varying-solar-emissions-from-a-mobile-x-band-radar
#2
Marco Gabella, Andreas Leuenberger
The radio noise that comes from the Sun has been reported in literature as a reference signal to check the quality of dual-polarization weather radar receivers for the S-band and C-band. In most cases, the focus was on relative calibration: horizontal and vertical polarizations were evaluated versus the reference signal mainly in terms of standard deviation of the difference. This means that the investigated radar receivers were able to reproduce the slowly varying component of the microwave signal emitted by the Sun...
May 22, 2017: Sensors
https://www.readbyqxmd.com/read/28524650/photo-responsive-transistors-based-on-a-dual-acceptor-containing-low-bandgap-polymer
#3
Min Je Kim, Shinyoung Choi, Myeongjae Lee, Hyojung Heo, Youngu Lee, Jeong Ho Cho, BongSoo Kim
In this manuscript, low bandgap pTTDPP-BT polymers based on electron-accepting pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione (DPP) and benzothiadiazole (BT) and electron-donating thienothiophene (TT) moieties were synthesized. Phototransistors have been fabricated using ambipolar-behaving pTTDPP-BT polymers as active channel materials. The electrical and photo-responsive properties of the pTTDPP-BT phototransistors were strongly dependent on the film annealing temperature. As-spun pTTDPP-BT phototransistors exhibited a low hole mobility of 0...
May 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28521108/mir-301b-promotes-the-proliferation-mobility-and-epithelial-to-mesenchymal-transition-of-bladder-cancer-cells-by-targeting-egr1
#4
Lei Yan, Yan Wang, Jun Liang, Zhixin Liu, Xiaodong Sun, Kerui Cai
We aimed to investigate the role of miR-301b in the modulation of the proliferation, migration and invasion in bladder cancer (BLCA) cells. The expression of miR-301b and EGR1 (early growth response gene 1) mRNA were analyzed by qRT-PCR (quantitative real-time polymerase chain reaction). Dual-luciferase reporter gene system was used to identify the target relationship between miR-301b and EGR1. Cell proliferation, cell cycle and apoptosis were analyzed by MTT assay, colony-forming assay and flow cytometry, respectively...
May 18, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28509631/improving-balance-mobility-and-dual-task-performance-in-an-adolescent-with-cerebral-palsy-a-case-report
#5
Sarah Fisher-Pipher, Lisa K Kenyon, Marci Westman
BACKGROUND AND PURPOSE: Improving functional mobility is often a desired outcome for adolescents with cerebral palsy (CP). Traditional neurorehabilitation approaches are frequently directed at impairments; however, improvements may not be carried over into functional mobility. The purpose of this case report was to describe the examination, intervention, and outcomes of a task-oriented physical therapy intervention program to improve dynamic balance, functional mobility, and dual-task performance in an adolescent with CP...
May 16, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28507966/ipsilateral-hip-and-knee-dislocation-with-open-tibial-fracture-a-case-report-of-a-limb-threatening-injury
#6
Ramesh Perumal, S R Sundararajan, J Vasudeva, S Rajasekaran
INTRODUCTION: Hip or knee dislocations are usually treated as a surgical emergency, but ipsilateral hip and knee dislocation should be considered a dual emergency that must be addressed immediately and reduced at the earliest. We present here the sequence of events and the final functional outcome of one such rare injury manages by us. CASE REPORT: A 22-year-old male was involved in a road traffic accident. He presented to the emergency department in 4 h injury time with painful deformities of the right hip and knee, along with Type I open wound right leg with abnormal mobility suggestive of fracture in the ipsilateral leg...
November 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28485621/fear-of-falling-and-activities-of-daily-living-function-mediation-effect-of-dual-task-ability
#7
Paolo R Brustio, Daniele Magistro, Massimiliano Zecca, Monica E Liubicich, Emanuela Rabaglietti
OBJECTIVE: The aim of the study was to explore the association between fear of falling (FOF), dual-task ability during a mobility task, and the activities of daily living (ADL) in a sample of older adults. METHODS: Seventy-six older adults (mean age M = 70.87 ± 5.16 years) participated in the study. Data on FOF (using the Falls Self-Efficacy Scale-International), walking ability during both single- and dual-task performances and ADL were collected. RESULTS: Mediation analysis demonstrated the mediation effect of dual-task ability (β = 0...
May 9, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28484009/in-vivo-engineering-of-bone-tissues-with-hematopoietic-functions-and-mixed-chimerism
#8
Yu-Ru Shih, Heemin Kang, Vikram Rao, Yu-Jui Chiu, Seong Keun Kwon, Shyni Varghese
Synthetic biomimetic matrices with osteoconductivity and osteoinductivity have been developed to regenerate bone tissues. However, whether such systems harbor donor marrow in vivo and support mixed chimerism remains unknown. We devised a strategy to engineer bone tissues with a functional bone marrow (BM) compartment in vivo by using a synthetic biomaterial with spatially differing cues. Specifically, we have developed a synthetic matrix recapitulating the dual-compartment structures by modular assembly of mineralized and nonmineralized macroporous structures...
May 8, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28476002/sorption-desorption-of-selenite-and-selenate-on-mg-al-layered-double-hydroxide-in-competition-with-nitrate-sulfate-and-phosphate
#9
Leonel Vinicius Constantino, Juliana Nunes Quirino, Alessandra Maffei Monteiro, Taufik Abrão, Paulo Sérgio Parreira, Alexandre Urbano, Maria Josefa Santos
Selenate and selenite are considered emerging contaminants and pose a risk to living organisms. Since selenium anion species are at low concentration in aquatic environments, materials for its retention are required to enable monitoring. Herein, hydrotalcite was calcined and characterised to investigate sorption and desorption of selenite and selenate in competition with nitrate, sulfate and phosphate. Sorption experiments were carried out in batch system and desorption by sequential dilution. Selenite and selenate concentration remaining after N desorption steps was determined by mass balance...
April 19, 2017: Chemosphere
https://www.readbyqxmd.com/read/28472303/the-effect-of-whole-body-vibration-training-on-bone-and-muscle-function-in-children-with-osteogenesis-imperfecta
#10
Wolfgang Högler, Janis Scott, Nick Bishop, Paul Arundel, Peter Nightingale, M Zulf Mughal, Raja Padidela, Nick Shaw, Nicola Crabtree
Context: Osteogenesis imperfecta (OI) is a bone fragility disorder associated with reduced muscle size, dynamic muscle function and mobility. Objective: To assess the effect of whole body vibration (WBV) training on bone density and geometry, muscle size and function, mobility, and balance in children with OI. Design: Randomised controlled pilot trial. Setting: Tertiary paediatric research centre. Participants: Twenty-four children (5-16 years) with OI types 1,4 and limited mobility (CHAQ score ≥0...
May 3, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28466961/ultrafast-delamination-of-graphite-into-high-quality-graphene-using-alternating-currents
#11
Sheng Yang, Antonio Gaetano Ricciardulli, Shaohua Liu, Renhao Dong, Martin R Lohe, Alfons Becker, Marco A Squillaci, Paolo Samorì, Klaus Müllen, Xinliang Feng
To bridge the gap between laboratory-scale studies and commercial applications, mass production of high quality graphene is essential. A scalable exfoliation strategy towards the production of graphene sheets is presented that has excellent yield (ca. 75 %, 1-3 layers), low defect density (a C/O ratio of 21.2), great solution-processability, and outstanding electronic properties (a hole mobility of 430 cm(2)  V(-1)  s(-1) ). By applying alternating currents, dual exfoliation at both graphite electrodes enables a high production rate exceeding 20 g h(-1) in laboratory tests...
June 1, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28463921/the-cost-effectiveness-of-dual-mobility-implants-for-primary-total-hip-arthroplasty-a-computer-based-cost-utility-model
#12
Brian T Barlow, Alexander S McLawhorn, Geoffrey H Westrich
BACKGROUND: Dislocation remains a clinically important problem following primary total hip arthroplasty, and it is a common reason for revision total hip arthroplasty. Dual mobility (DM) implants decrease the risk of dislocation but can be more expensive than conventional implants and have idiosyncratic failure mechanisms. The purpose of this study was to investigate the cost-effectiveness of DM implants compared with conventional bearings for primary total hip arthroplasty. METHODS: Markov model analysis was conducted from the societal perspective with use of direct and indirect costs...
May 3, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28458444/functional-analysis-of-the-coronary-heart-disease-risk-locus-on-chromosome-21q22
#13
Katherine E Beaney, Andrew J P Smith, Lasse Folkersen, Jutta Palmen, S Goya Wannamethee, Barbara J Jefferis, Peter Whincup, Tom R Gaunt, Juan P Casas, Yoav Ben-Shlomo, Jacqueline F Price, Meena Kumari, Andrew Wong, Ken Ong, Rebecca Hardy, Diana Kuh, Nicholas Wareham, Mika Kivimaki, Per Eriksson, Steve E Humphries, Ucleb Consortium
Background. The coronary heart disease (CHD) risk locus on 21q22 (lead SNP rs9982601) lies within a "gene desert." The aim of this study was to assess if this locus is associated with CHD risk factors and to identify the functional variant(s) and gene(s) involved. Methods. A phenome scan was performed with UCLEB Consortium data. Allele-specific protein binding was studied using electrophoretic mobility shift assays. Dual-reporter luciferase assays were used to assess the impact of genetic variation on expression...
2017: Disease Markers
https://www.readbyqxmd.com/read/28455485/errata
#14
(no author information available yet)
De Martino I, D'Apolito R, Soranoglou VG, Poultsides LA, Sculco PK, Sculco TP. Dislocation following total hip arthroplasty using dual mobility acetabular components. Bone Joint J;2017;99-B:18-24.
May 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28451304/simultaneous-impedance-spectroscopy-and-fluorescence-microscopy-for-the-real-time-monitoring-of-the-response-of-cells-to-drugs
#15
M Parviz, K Gaus, J J Gooding
A dual fluorescence microscopy and electrochemical strategy to investigate how cell-surface interactions influence the cellular responses to cues for the cell-based biosensing of drug efficacy is reported herein. The combined method can be used to not only monitor the importance of controlling the cellular adhesive environment on the cell response to drugs but it also provides biological information on the timescales of downstream outside-in signaling from soluble cues. As an example of the use of the combined method, we show how adhesive cues influence the signalling responses of cells to soluble cues...
March 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28444834/direct-and-indirect-effects-of-attention-and-visual-function-on-gait-impairment-in-parkinson-s-disease-influence-of-task-and-turning
#16
Samuel Stuart, Brook Galna, Louise S Delicato, Sue Lord, Lynn Rochester
Gait impairment is a core feature of Parkinson's disease (PD) which has been linked to cognitive and visual deficits, but interactions between these features are poorly understood. Monitoring saccades allows investigation of real-time cognitive and visual processes and their impact on gait when walking. This study explored; 1) saccade frequency when walking under different attentional manipulations of turning and dual-task; and 2) direct and indirect relationships between saccades, gait impairment, vision and attention...
April 26, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28443041/national-identification-counteracts-the-sedative-effect-of-positive-intergroup-contact-on-ethnic-activism
#17
Adrienne Pereira, Eva G T Green, Emilio Paolo Visintin
Positive intergroup contact with socially and economically advantaged national majorities has been shown to reduce ethnic identification among minorities, thereby undermining ethnic minority activism. This finding implies that ethnic identity is the relevant social identity driving ethnic minorities' struggle for equality. We argue that the study of the "sedating" effect of positive intergroup contact for minorities should be more nuanced. The existence of multiple and sometimes interplaying social identities can foster a reinterpretation of the meaning of "ethnic" activism...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28443007/neuroimaging-of-human-balance-control-a-systematic-review
#18
REVIEW
Ellen Wittenberg, Jessica Thompson, Chang S Nam, Jason R Franz
This review examined 83 articles using neuroimaging modalities to investigate the neural correlates underlying static and dynamic human balance control, with aims to support future mobile neuroimaging research in the balance control domain. Furthermore, this review analyzed the mobility of the neuroimaging hardware and research paradigms as well as the analytical methodology to identify and remove movement artifact in the acquired brain signal. We found that the majority of static balance control tasks utilized mechanical perturbations to invoke feet-in-place responses (27 out of 38 studies), while cognitive dual-task conditions were commonly used to challenge balance in dynamic balance control tasks (20 out of 32 studies)...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28441646/spontaneous-regression-of-possible-transcatheter-aortic-valve-thrombosis-without-additional-anticoagulant-two-year-follow-up
#19
Ryo Yanagisawa, Kentaro Hayashida, Masahiro Jinzaki, Keiichi Fukuda
An 84-year-old man with symptomatic severe aortic stenosis received transcatheter aortic valve implantation (TAVI). Dual-antiplatelet therapy was continued for 6 months post TAVI, and aspirin alone was used thereafter. Four-dimensional multidetector computed tomography revealed a new hypoattenuated leaflet thickening (HALT) with reduced leaflet motion at 1 year, considered to indicate leaflet thrombosis. At the 2-year follow-up, leaflet mobility had improved, with spontaneous regression of HALT. This is the first report of confirmed spontaneous regression of possible transcatheter heart valve thrombosis and recovery of leaflet mobility without the need for additional anticoagulant...
May 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28437353/evaluation-of-the-modern-luque-trolley-construct-for-the-treatment-of-early-onset-scoliosis-using-a-gliding-implant-in-an-immature-animal-model
#20
Jean A Ouellet, Catherine E Ferland, Karina Klein, Guillaume Racloz, Karina Klein, Henning Richter, Thomas Steffen, Brigitte von Rechenberg
STUDY DESIGN: This was an experimental animal study. OBJECTIVE: To determine biological compatibility, stability, and growth potential of the Trolley Gliding Vehicle (TGV) used in a novel surgical technique for guided spinal growth. SUMMARY OF BACKGROUND DATA: Current treatments for early-onset scoliosis maintaining spinal growth consist of posteriorly based spinal constructs requiring repetitive lengthening. Such interventions have a high rate of complications...
May 2017: Clinical Spine Surgery
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