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https://www.readbyqxmd.com/read/28728164/disseminated-tumour-cells-with-highly-aberrant-genomes-are-linked-to-poor-prognosis-in-operable-oesophageal-adenocarcinoma
#1
Sarah Schumacher, Christoph Bartenhagen, Martin Hoffmann, Daniel Will, Johannes C Fischer, Stephan E Baldus, Christian Vay, Georg Fluegen, Levent Dizdar, Daniel Vallböhmer, Christoph A Klein, Wolfram T Knoefel, Nikolas H Stoecklein, Birte Möhlendick
BACKGROUND: Chromosomal instability (CIN) has repeatedly been identified as a prognostic marker. Here we evaluated the percentage of aberrant genome per cell (PAG) as a measure of CIN in single disseminated tumour cells (DTC) isolated from patients with operable oesophageal adenocarcinoma (EAC), to assess the impact of CIN(high) DTCs on prognosis. METHODS: We isolated CK18(positive) DTCs from bone marrow (BM) or lymph node (LN) preparations of operable EAC patients...
July 20, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28728022/loss-of-tmem106b-ameliorates-lysosomal-and-frontotemporal-dementia-related-phenotypes-in-progranulin-deficient-mice
#2
Zoe A Klein, Hideyuki Takahashi, Mengxiao Ma, Massimiliano Stagi, Melissa Zhou, TuKiet T Lam, Stephen M Strittmatter
Progranulin (GRN) and TMEM106B are associated with several common neurodegenerative disorders including frontotemporal lobar degeneration (FTLD). A TMEM106B variant modifies GRN-associated FTLD risk. However, their functional relationship in vivo and the mechanisms underlying the risk modification remain unclear. Here, using transcriptomic and proteomic analyses with Grn(-/-) and Tmem106b(-/-) mice, we show that, while multiple lysosomal enzymes are increased in Grn(-/-) brain at both transcriptional and protein levels, TMEM106B deficiency causes reduction in several lysosomal enzymes...
July 19, 2017: Neuron
https://www.readbyqxmd.com/read/28727655/preterm-infants-with-biliary-atresia-a-nationwide-cohort-analysis-from-the-netherlands
#3
Daan B E van Wessel, Thomas Boere, Christian V Hulzebos, Ruben H J de Kleine, Henkjan J Verkade, Jan B F Hulscher
OBJECTIVES: atresia (BA) occurs in 0.54/10.000 of overall live births in The Netherlands. BA has an unfavorable prognosis: less than 40% of patients are cleared of jaundice after Kasai portoenterostomy (KPE), 4-year transplant-free survival rate is 46% and the 4-year survival rate is ∼75%. Little is known on difficulties in diagnosis and the outcome of BA in preterm infants. We aimed to analyze the incidence and outcome of BA in preterm infants in The Netherlands. METHODS: Retrospective study including Dutch preterm infants treated for BA...
July 19, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28726043/injection-drug-use-unemployment-and-severe-food-insecurity-among-hiv-hcv-co-infected-individuals-a-mediation-analysis
#4
Taylor McLinden, Erica E M Moodie, Anne-Marie Hamelin, Sam Harper, Sharon L Walmsley, Gilles Paradis, Wusiman Aibibula, Marina B Klein, Joseph Cox
Severe food insecurity (FI), which indicates reduced food intake, is common among HIV-hepatitis C virus (HCV) co-infected individuals. Given the importance of unemployment as a proximal risk factor for FI, this mediation analysis examines a potential mechanism through which injection drug use (IDU) is associated with severe FI. We used biannual data from the Canadian Co-infection Cohort (N = 429 with 3 study visits, 2012-2015). IDU in the past 6 months (exposure) and current unemployment (mediator) were self-reported...
July 19, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28724745/seq-identifies-circulating-mir-125a-5p-mir-125b-5p-and-mir-143-3p-as-potential-biomarkers-for-acute-ischemic-stroke
#5
Steffen Tiedt, Matthias Prestel, Rainer Malik, Nicola Schieferdecker, Marco Düring, Veronika Kautzky, Ivelina Stoycheva, Julia Böck, Bernd H Northoff, Matthias Klein, Franziska Dorn, Knut Krohn, Daniel Teupser, Arthur Liesz, Nikolaus Plesnila, Lesca M Holdt, Martin Dichgans
Rationale: Currently, there are no blood-based biomarkers with clinical utility for acute ischemic stroke (IS). microRNAs (miRNAs) show promise as disease markers due to their cell-type specific expression patterns and stability in peripheral blood. Objective: To identify circulating miRNAs associated with acute IS, determine their temporal course up to 90 days post-stroke, and explore their utility as an early diagnostic marker. Methods and Results: We used RNA sequencing to study expression changes of circulating miRNAs in a discovery sample of 20 IS patients and 20 matched healthy control subjects (HCs)...
July 19, 2017: Circulation Research
https://www.readbyqxmd.com/read/28724114/oral-macrolides-for-the-dermatologic-manifestations-of-blau-syndrome
#6
Shalini Thareja, Kaitlyn Kollmann, Kaveh Ardalan, Marisa S Klein-Gitelman, Amy S Paller, Lisa M Arkin
No abstract text is available yet for this article.
July 19, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28721415/indrops-and-drop-seq-technologies-for-single-cell-sequencing
#7
EDITORIAL
Allon M Klein, Evan Macosko
No abstract text is available yet for this article.
July 19, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28719661/minimizing-endpoint-variability-through-reinforcement-learning-during-reaching-movements-involving-shoulder-elbow-and-wrist
#8
David Marc Anton Mehler, Alexandra Reichenbach, Julius Klein, Jörn Diedrichsen
Reaching movements are comprised of the coordinated action across multiple joints. The human skeleton is redundant for this task because different joint configurations can lead to the same endpoint in space. How do people learn to use combinations of joints that maximize success in goal-directed motor tasks? To answer this question, we used a 3-degree-of-freedom manipulandum to measure shoulder, elbow and wrist joint movements during reaching in a plane. We tested whether a shift in the relative contribution of the wrist and elbow joints to a reaching movement could be learned by an implicit reinforcement regime...
2017: PloS One
https://www.readbyqxmd.com/read/28717807/vitamin-d-status-and-prevalent-early-age-related-macular-degeneration-in-african-americans-and-caucasians-the-atherosclerosis-risk-in-communities-aric-study
#9
A E Millen, J Nie, M W Sahli, J A Mares, K J Meyers, B E K Klein, M J LaMonte, P L Lutsey, C A Andrews, R Klein
OBJECTIVES: Vitamin D status has been hypothesized to protect against development of early age-related macular degeneration (AMD) via its anti-inflammatory properties and its possible beneficial influence on blood pressure control. We investigated the association between vitamin D status and prevalent early AMD in a community-based cohort. DESIGN: This was a cross-sectional study. SETTING: This was a secondary data analysis of already existing data from the Atherosclerosis Risk in Communities Study (ARIC) cohort collected from 1990 to 1995...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/28716924/insights-into-the-red-algae-and-eukaryotic-evolution-from-the-genome-of-porphyra-umbilicalis-bangiophyceae-rhodophyta
#10
Susan H Brawley, Nicolas A Blouin, Elizabeth Ficko-Blean, Glen L Wheeler, Martin Lohr, Holly V Goodson, Jerry W Jenkins, Crysten E Blaby-Haas, Katherine E Helliwell, Cheong Xin Chan, Tara N Marriage, Debashish Bhattacharya, Anita S Klein, Yacine Badis, Juliet Brodie, Yuanyu Cao, Jonas Collén, Simon M Dittami, Claire M M Gachon, Beverley R Green, Steven J Karpowicz, Jay W Kim, Ulrich Johan Kudahl, Senjie Lin, Gurvan Michel, Maria Mittag, Bradley J S C Olson, Jasmyn L Pangilinan, Yi Peng, Huan Qiu, Shengqiang Shu, John T Singer, Alison G Smith, Brittany N Sprecher, Volker Wagner, Wenfei Wang, Zhi-Yong Wang, Juying Yan, Charles Yarish, Simone Zäuner-Riek, Yunyun Zhuang, Yong Zou, Erika A Lindquist, Jane Grimwood, Kerrie W Barry, Daniel S Rokhsar, Jeremy Schmutz, John W Stiller, Arthur R Grossman, Simon E Prochnik
Porphyra umbilicalis (laver) belongs to an ancient group of red algae (Bangiophyceae), is harvested for human food, and thrives in the harsh conditions of the upper intertidal zone. Here we present the 87.7-Mbp haploid Porphyra genome (65.8% G + C content, 13,125 gene loci) and elucidate traits that inform our understanding of the biology of red algae as one of the few multicellular eukaryotic lineages. Novel features of the Porphyra genome shared by other red algae relate to the cytoskeleton, calcium signaling, the cell cycle, and stress-tolerance mechanisms including photoprotection...
July 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28716878/author-response-munchausen-syndrome-by-genetics-next-generation-challenges-for-clinicians
#11
Simone Zittel, Daniel Alvarez-Fischer, Ulrich Schweiger, Christine Klein, Alexander Münchau
No abstract text is available yet for this article.
July 18, 2017: Neurology
https://www.readbyqxmd.com/read/28716427/influence-of-l-dopa-on-subtle-motor-signs-in-heterozygous-parkin-and-pink1-mutation-carriers
#12
Anne Weissbach, Inke R König, Katja Hückelheim, Peter P Pramstaller, Elisa Werner, Norbert Brüggemann, Vera Tadic, Katja Lohmann, Tobias Bäumer, Alexander Münchau, Meike Kasten, Christine Klein
INTRODUCTION: A latent nigrostriatal deficit and its possible clinical consequences in asymptomatic heterozygous Parkin and PINK1 mutation carriers (AMC) have been a matter of investigation in recent years. Notably, mild Parkinsonian signs in heterozygous mutation carriers can be so subtle that they may be missed if not specifically investigated. METHODS: We studied 15 heterozygous Parkin and PINK1 AMC and 18 age- and sex-matched mutation-negative controls using a standardized video, instructing the probands to perform relevant parts of the UPDRS III to investigate fine motor movements at baseline and after first-time L-Dopa administration...
July 8, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28715412/cell-fate-specification-in-the-lingual-epithelium-is-controlled-by-antagonistic-activities-of-sonic-hedgehog-and-retinoic-acid
#13
Maha El Shahawy, Claes-Göran Reibring, Cynthia L Neben, Kristina Hallberg, Pauline Marangoni, Brian D Harfe, Ophir D Klein, Anders Linde, Amel Gritli-Linde
The interaction between signaling pathways is a central question in the study of organogenesis. Using the developing murine tongue as a model, we uncovered unknown relationships between Sonic hedgehog (SHH) and retinoic acid (RA) signaling. Genetic loss of SHH signaling leads to enhanced RA activity subsequent to loss of SHH-dependent expression of Cyp26a1 and Cyp26c1. This causes a cell identity switch, prompting the epithelium of the tongue to form heterotopic minor salivary glands and to overproduce oversized taste buds...
July 17, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28715298/assessment-of-in%C3%A2-vivo-3d-kinematics-of-cervical-spine-manipulation-influence-of-practitioner-experience-and-occurrence-of-cavitation-noise
#14
Bernard Van Geyt, Pierre-Michel Dugailly, Paul Klein, Yves Lepers, Benoît Beyer, Véronique Feipel
BACKGROUND: Investigations on 3D kinematics during spinal manipulation are widely reported for assessing motion data, task reliability and clinical effects. However the link between cavitation occurrence and specific kinematics remains questionable. OBJECTIVES: This paper investigates the 3D head-trunk kinematics during high velocity low amplitude (HVLA) manipulation for different practitioners with respect to the occurrence of cavitation. METHODS: Head-trunk 3D motions were sampled during HVLA manipulation in twenty asymptomatic volunteers manipulated by four practitioners with different seniority (years of experience)...
April 2017: Musculoskeletal Science & Practice
https://www.readbyqxmd.com/read/28715227/balancing-passive-and-active-targeting-to-different-tumor-compartments-using-riboflavin-functionalized-polymeric-nanocarriers
#15
Yoanna Tsvetkova, Nataliia Beztsinna, Maike Baues, Dionne Klein, Anne Rix, Susanne Katherina Golombek, Wa'el Al Rawashdeh, Felix Gremse, Matthias Barz, Kaloian Koynov, Srinivas Banala, Wiltrud Lederle, Twan Lammers, Fabian Kiessling
Riboflavin Transporters (RFTs) and the Riboflavin Carrier Protein (RCP) are highly upregulated in many tumor cells, tumor stem cells and tumor neovasculature, which makes them attractive targets for nanomedicines. Addressing cells in different tumor compartments requires drug carriers, which are not only able to accumulate via the EPR effect, but also to extravasate, target specific cell populations, and get internalized by cells. Reasoning that antibodies are among the most efficient targeting systems developed by nature, we consider their size (~10-15 nm) to be ideal for balancing passive and active tumor targeting...
July 17, 2017: Nano Letters
https://www.readbyqxmd.com/read/28714973/light-triggers-pils-dependent-reduction-in-nuclear-auxin-signalling-for-growth-transition
#16
Chloé Béziat, Elke Barbez, Mugurel I Feraru, Doris Lucyshyn, Jürgen Kleine-Vehn
The phytohormone auxin induces or represses growth depending on its concentration and the underlying tissue type. However, it remains unknown how auxin signalling is modulated to allow tissues transiting between repression and promotion of growth. Here, we used apical hook development as a model for growth transitions in plants. A PIN-FORMED (PIN)-dependent intercellular auxin transport module defines an auxin maximum that is causal for growth repression during the formation of the apical hook. Our data illustrate that growth transition for apical hook opening is largely independent of this PIN module, but requires the PIN-LIKES (PILS) putative auxin carriers at the endoplasmic reticulum...
July 17, 2017: Nature Plants
https://www.readbyqxmd.com/read/28714678/review-of-the-fuel-saving-life-cycle-ghg-emission-and-ownership-cost-impacts-of-lightweighting-vehicles-with-different-powertrains
#17
Jason M Luk, Hyung Chul Kim, Robert De Kleine, Timothy J Wallington, Heather L MacLean
The literature analyzing the fuel saving, life cycle greenhouse gas (GHG) emission, and ownership cost impacts of lightweighting vehicles with different powertrains is reviewed. Vehicles with lower powertrain efficiencies have higher fuel consumption. Thus, fuel savings from lightweighting internal combustion engine vehicles can be higher than those of hybrid electric and battery electric vehicles. However, the impact of fuel savings on life cycle costs and GHG emissions depends on fuel prices, fuel carbon intensities and fuel storage requirements...
July 17, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28712730/social-processing-in-early-adolescence-associations-between-neurophysiological-self-report-and-behavioral-measures
#18
Autumn Kujawa, Ellen M Kessel, Ashley Carroll, Kodi B Arfer, Daniel N Klein
Peer relationships play a major role in adolescent development, but few methods exist for measuring social processing at the neurophysiological level. This study extends our pilot study of Island Getaway, a task for eliciting event-related potentials (ERPs) to peer feedback. We differentiated ERPs using principal components analysis (PCA) and examined associations with behavioral and self-report measures in young adolescents (N=412). PCA revealed an early negativity in the ERP enhanced for rejection feedback, followed by a series of positivities (consistent with reward positivity [RewP], P300, and late positive potential) that were enhanced for acceptance feedback...
July 13, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28712516/online-master-of-education-program-academic-outcomes
#19
EDITORIAL
Robert Harper, Lea Alaee, Jeanne R Spaulding, Thomas DeWitt, Melissa Klein
No abstract text is available yet for this article.
July 13, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28711413/-hypofractionated-stereotactic-radiotherapy-for-brain-metastasis-benefit-of-additional-whole-brain-radiotherapy
#20
P Royer, J Salleron, G Vogin, L Taillandier, C Clément-Duchêne, O Klein, J-C Faivre, D Peiffert, V Bernier
PURPOSE: To study overall survival, risk of neurological death, local recurrence and development of new brain metastasis in patients treated for brain oligometastases with hypofractionated stereotactic radiotherapy with CyberKnife(®), according to the association or not with an additional whole brain irradiation. PATIENTS AND METHODS: Institutional retrospective study of 102 patients treated for one to three brain metastasis: 76 with exclusive hypofractionated stereotactic radiotherapy and 26 with hypofractionated stereotactic radiotherapy and whole brain irradiation...
July 12, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
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