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https://www.readbyqxmd.com/read/28821575/ldl-switches-the-lrp6-internalization-route-from-flotillin-dependent-to-clathrin-dependent-in-hepatic-cells
#1
Hideki Yamamoto, Daisuke Umeda, Shinji Matsumoto, Akira Kikuchi
Low-density lipoprotein (LDL) receptor-related protein 6 (LRP6) was originally identified as a coreceptor of the Wnt signaling pathway and has been shown to be involved in LDL transport. In polarized hepatocytes, many apical proteins are sorted to the basolateral membrane and then internalized and transported to the apical bile canalicular membrane-a process known as transcytosis. Herein, we show that LRP6 is transcytosed to the apical membrane of polarized hepatic HepG2 cells via a flotillin-dependent manner in the absence of LDL...
August 18, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28820893/a-computational-method-for-the-identification-of-candidate-drugs-for-non-small-cell-lung-cancer
#2
Lei Chen, Jing Lu, Tao Huang, Yu-Dong Cai
Lung cancer causes a large number of deaths per year. Until now, a cure for this disease has not been found or developed. Finding an effective drug through traditional experimental methods invariably costs millions of dollars and takes several years. It is imperative that computational methods be developed to integrate several types of existing information to identify candidate drugs for further study, which could reduce the cost and time of development. In this study, we tried to advance this effort by proposing a computational method to identify candidate drugs for non-small cell lung cancer (NSCLC), a major type of lung cancer...
2017: PloS One
https://www.readbyqxmd.com/read/28819856/fiber-optic-array-scanning-technology-fast-for-detection-and-molecular-characterization-of-circulating-tumor-cells
#3
Zheng Ao, Xiaohe Liu
Circulating tumor cell (CTC) as an important component in "liquid biopsy" holds crucial clinical relevance in cancer prognosis, treatment efficiency evaluation, prediction and potentially early detection. Here, we present a Fiber-optic Array Scanning Technology (FAST) that enables antigen-agnostic, size-agnostic detection of CTC. By immunofluorescence staining detection of a combination of a panel of markers, FAST technology can be applied to detect rare CTC in non-small cell lung cancer (NSCLC) setting with high sensitivity and specificity...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28819849/rarecyte%C3%A2-ctc-analysis-step-1-accucyte%C3%A2-sample-preparation-for-the-comprehensive-recovery-of-nucleated-cells-from-whole-blood
#4
Arturo B Ramirez, Lance U'Ren, Daniel E Campton, David Stewart, Joshua J Nordberg, Jackie L Stilwell, Eric P Kaldjian
The RareCyte platform addresses important technology limitations of current circulating tumor cell (CTC) collection methods, and expands CTC interrogation to include advanced phenotypic characterization and single-cell molecular analysis. In this respect, it represents the "next generation" of cell-based liquid biopsy technologies. In order to identify and analyze CTCs, RareCyte has developed an integrated sample preparation, imaging and individual cell retrieval process. The first step in the process, AccuCyte(®), allows the separation, collection, and transfer to a slide the nucleated cell fraction of the blood that contains CTCs...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28816770/prevalence-of-disability-in-patients-with-musculoskeletal-pain-and-rheumatic-diseases-in-a-population-from-cuenca-ecuador
#5
Sergio Vicente Guevara-Pacheco, Astrid Feican-Alvarado, Jorge Delgado-Pauta, Angelita Lliguisaca-Segarra, Ingris Pelaez-Ballestas
OBJECTIVE: The aim of this study was to determine the prevalence of disability in patients with musculoskeletal pain and rheumatic diseases in Cuenca, Ecuador. METHODS: We performed a cross-sectional analytical study with randomized sampling in 4877 subjects, from urban and rural areas. COPCORD (Community Oriented Program for Control of Rheumatic Diseases)-validated questionnaire was administered house-to-house to identify subjects with nontraumatic musculoskeletal pain and rheumatic diseases...
August 14, 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28815684/cognitive-psychophysiological-treatment-of-bodily-focused-repetitive-behaviors-in-adults-an-open-trial
#6
Kieron O'Connor, Marc Lavoie, Benoît Desaulniers, Jean-Sébastien Audet
BACKGROUND: Body-focused repetitive behaviors (BFRBs), such as hair pulling, skin picking, and nail biting, are repetitive, destructive, and nonfunctional habits that cause significant distress. Separate BFRBs form a cohesive group and could be assessed as part of the Tourette/tic spectrum or obsessive-compulsive spectrum of disorders. The treatment of choice is either antidepressant or behavioral treatment, both of which have shown effectiveness. The cognitive psychophysiological (CoPs) model focuses on the tension and emotional build up that triggers habits by addressing cognitive-behavioral, emotional and psychophysiological processes preceding onset rather than the habit itself...
August 16, 2017: Journal of Clinical Psychology
https://www.readbyqxmd.com/read/28814034/automated-assessment-of-symptom-severity-changes-during-deep-brain-stimulation-dbs-therapy-for-parkinson-s-disease
#7
Paolo Angeles, Yen Tai, Nicola Pavese, Samuel Wilson, Ravi Vaidyanathan
Deep brain stimulation (DBS) is currently being used as a treatment for symptoms of Parkinson's disease (PD). Tracking symptom severity progression and deciding the optimal stimulation parameters for people with PD is extremely difficult. This study presents a sensor system that can quantify the three cardinal motor symptoms of PD - rigidity, bradykinesia and tremor. The first phase of this study assesses whether data recorded from the system during physical examinations can be used to correlate to clinician's severity score using supervised machine learning (ML) models...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813985/emg-pattern-classification-to-control-a-hand-orthosis-for-functional-grasp-assistance-after-stroke
#8
Cassie Meeker, Sangwoo Park, Lauri Bishop, Joel Stein, Matei Ciocarlie
Wearable orthoses can function both as assistive devices, which allow the user to live independently, and as rehabilitation devices, which allow the user to regain use of an impaired limb. To be fully wearable, such devices must have intuitive controls, and to improve quality of life, the device should enable the user to perform Activities of Daily Living. In this context, we explore the feasibility of using electromyography (EMG) signals to control a wearable exotendon device to enable pick and place tasks...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28811664/structure-based-cross-docking-analysis-of-antibody-antigen-interactions
#9
Krishna Praneeth Kilambi, Jeffrey J Gray
Antibody-antigen interactions are critical to our immune response, and understanding the structure-based biophysical determinants for their binding specificity and affinity is of fundamental importance. We present a computational structure-based cross-docking study to test the identification of native antibody-antigen interaction pairs among cognate and non-cognate complexes. We picked a dataset of 17 antibody-antigen complexes of which 11 have both bound and unbound structures available, and we generated a representative ensemble of cognate and non-cognate complexes...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28810687/the-characterization-of-polycyclic-aromatic-hydrocarbons-in-northeastern-us-trucking-terminals
#10
Erica D Walker, Jaime E Hart, Eric Garshick, Jennifer M Cavallari, Mary E Davis, Thomas J Smith, Francine Laden
In recent years, significant attention has been given to polycyclic aromatic hydrocarbons (PAHs) exposures given their mutagenic and carcinogenic properties. However, levels of exposure and the key determinants of exposure are not well defined for the trucking industry. We measured ultrafine particle characteristics at 10 trucking terminals of varying operating size and location in the Northeast region of the United States using particle concentration counter and a surface area analyzer. Multivariate mixed-effects linear regression models were used to assess determinants of the concentration of total bound PAHs (tPAH), the total aerosol active surface area (AS), and the ratio tPAH/AS overall and individually within docks, trucking cabs, and administrative offices...
August 1, 2017: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/28810443/disgust-shame-and-the-psychosocial-impact-of-skin-picking-evidence-from-an-online-support-forum
#11
Suzy Anderson, Victoria Clarke
This article examines the accounts of individuals who problematically pick their skin and explores their subjective experiences. In total, 100 problem disclosure statements were taken from posts made to a publicly accessible online skin picking support forum. These posts were systematically analysed using thematic analysis. Themes of disgust, shame and psychosocial avoidance dominated the analysis and appeared central to the experience of skin picking. Skin picking was shown to be a heterogeneous experience with a complex emotional profile...
April 1, 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28810172/changes-in-interlimb-coordination-during-walking-and-grasping-task-in-older-adult-fallers-and-non-fallers
#12
Natalia Madalena Rinaldi, Richard van Emmerik, Renato Moraes
The aim of this study was to investigate interlimb coordination in young and older adults with and without a history of falls during the combined task of walking and prehension with different levels of manual task difficulty. Participants walked on a pathway and grasped a dowel. A vector coding technique evaluated coordination patterns. The coordination pattern was not affected by the difficulty level of the manual task. Older adults seemed to prioritize the movement of the right shoulder to grasp the dowel and then 'froze' the movement of the other joint (left shoulder) not directly involved in the grasping task...
August 12, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28808920/prospective-turkish-cohort-study-to-investigate-the-frequency-of-niemann-pick-disease-type-c-mutations-in-consanguineous-families-with-at-least-one-homozygous-family-member
#13
Meral Topçu, Dilek Aktas, Merih Öztoprak, Neslihan Önenli Mungan, Aysel Yuce, Mehmet Alikasifoglu
BACKGROUND: Niemann-Pick disease Type C (NP-C) is a rare, autosomal recessive lysosomal storage disorder caused by mutations in NPC1 or NPC2 genes. Diagnosis of NP-C can be challenging and is frequently delayed. Identifying mutations in individuals with NP-C and their relatives enables genetic counseling and prenatal diagnosis and may support earlier diagnosis. Here we report findings from a prospective cohort study in Turkey, using targeted genetic screening of the families of NP-C probands with homozygous NPC1 or NPC2 mutations...
August 14, 2017: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/28806940/evaluation-of-the-implementation-of-an-intervention-to-improve-the-street-environment-and-promote-walking-for-transport-in-deprived-neighbourhoods
#14
Emma J Adams, Nick Cavill, Lauren B Sherar
BACKGROUND: Levels of physical activity remain low, particularly in deprived areas. Improving the street environment to promote walking for transport using a community engagement approach is a potential strategy to increase physical activity. An understanding of the implementation of this intervention approach is needed to facilitate further research, replication and scale-up. The aim of this study was to evaluate the implementation of the Fitter for Walking (FFW) intervention in deprived neighbourhoods...
August 14, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28806412/missed-opportunities-for-hiv-control-gaps-in-hiv-testing-for-partners-of-people-living-with-hiv-in-lima-peru
#15
Ana L Vasquez, Renato A Errea, Daniel Hoces, Juan Echevarria, Elsa González-Lagos, Eduardo Gotuzzo
INTRODUCTION: Based on the hypothesis that HIV programs struggle to deliver health services that harmonize necessities of treatment and prevention, we described the outcomes of routinely provided HIV testing to partners of people living with HIV (PLWH) through a secondary analysis of routine data collected at a public hospital in Lima, Peru. METHODS: Among PLWH enrolled in the study center's HIV program between 2005 and 2014, we identified index cases (IC): PLWH who reported a unique partner not previously enrolled...
2017: PloS One
https://www.readbyqxmd.com/read/28804471/cahost-an-excel-workbook-for-facilitating-the-johnson-neyman-technique-for-two-way-interactions-in-multiple-regression
#16
Stephen W Carden, Nicholas S Holtzman, Michael J Strube
When using multiple regression, researchers frequently wish to explore how the relationship between two variables is moderated by another variable; this is termed an interaction. Historically, two approaches have been used to probe interactions: the pick-a-point approach and the Johnson-Neyman (JN) technique. The pick-a-point approach has limitations that can be avoided using the JN technique. Currently, the software available for implementing the JN technique and creating corresponding figures lacks several desirable features-most notably, ease of use and figure quality...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28803711/a-hopeful-therapy-for-niemann-pick-c-diseases
#17
Robert P Erickson, Maria Teresa Fiorenza
No abstract text is available yet for this article.
August 10, 2017: Lancet
https://www.readbyqxmd.com/read/28803710/intrathecal-2-hydroxypropyl-%C3%AE-cyclodextrin-decreases-neurological-disease-progression-in-niemann-pick-disease-type-c1-a-non-randomised-open-label-phase-1-2-trial
#18
Daniel S Ory, Elizabeth A Ottinger, Nicole Yanjanin Farhat, Kelly A King, Xuntian Jiang, Lisa Weissfeld, Elizabeth Berry-Kravis, Cristin D Davidson, Simona Bianconi, Lee Ann Keener, Ravichandran Rao, Ariane Soldatos, Rohini Sidhu, Kimberly A Walters, Xin Xu, Audrey Thurm, Beth Solomon, William J Pavan, Bernardus N Machielse, Mark Kao, Steven A Silber, John C McKew, Carmen C Brewer, Charles H Vite, Steven U Walkley, Christopher P Austin, Forbes D Porter
BACKGROUND: Niemann-Pick disease, type C1 (NPC1) is a lysosomal storage disorder characterised by progressive neurodegeneration. In preclinical testing, 2-hydroxypropyl-β-cyclodextrins (HPβCD) significantly delayed cerebellar Purkinje cell loss, slowed progression of neurological manifestations, and increased lifespan in mouse and cat models of NPC1. The aim of this study was to assess the safety and efficacy of lumbar intrathecal HPβCD. METHODS: In this open-label, dose-escalation phase 1-2a study, we gave monthly intrathecal HPβCD to participants with NPC1 with neurological manifestation at the National Institutes of Health (NIH), Bethesda, MD, USA...
August 10, 2017: Lancet
https://www.readbyqxmd.com/read/28802248/utility-of-rapid-whole-exome-sequencing-in-the-diagnosis-of-neonatal-niemann-pick-disease-type-c-presenting-with-fetal-hydrops-and-liver-failure
#19
Mersedeh Rohanizadegan, Sarah El-Almery, Anne O'Donnell-Luria, Ivana Mihalek, Peggy Chen, Marilyn Sanders, Kristen Leeman, Megan Cho, Christina Hung, Olaf Bodamer
Rapid whole exome sequencing (rWES) is increasingly used in critically ill newborn infants to inform about diagnosis, clinical management and prognosis. Here we report a male newborn infant with hydrops, pancytopenia and acute liver failure who was listed for liver transplantation. Given the acuity of the presentation, the procedure related morbidity and mortality and lack of diagnosis we employed rWES in the proband and both parents with a turn-around time of 10 business days. rWES returned one maternally inherited, likely pathogenic and one paternally inherited, likely pathogenic variant in NPC1 suggestive of a diagnosis of Niemann Pick disease type C (NPC)...
August 11, 2017: Cold Spring Harbor Molecular Case Studies
https://www.readbyqxmd.com/read/28801223/limited-benefits-of-presymptomatic-cord-blood-transplantation-in-neurovisceral-acid-sphingomyelinase-deficiency-asmd-intermediate-type
#20
Oriane Mercati, Samia Pichard, Marie Ouachée, Roseline Froissart, Odile Fenneteau, Bastien Roche, Monique Elmaleh-Bergès, Yves Bertrand, Hélène Ogier de Baulny, Marie T Vanier, Manuel Schiff
Acid sphingomyelinase (ASM) deficient Niemann-Pick disease is a lysosomal storage disorder resulting from mutations in the SMPD1 gene. The clinical spectrum distinguishes a severe infantile neurological form (type A), a non-neurological visceral form (type B) and a rare intermediate neurovisceral form. We report the first case of presymptomatic cord blood transplantation in a child with the intermediate type of ASM deficiency due to a homozygous Tyr369Cys mutation, whose affected elder brother had developed neurodevelopmental delay from 19 months of age, and had died from severe visceral complications at the age of 3...
July 29, 2017: European Journal of Paediatric Neurology: EJPN
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