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https://www.readbyqxmd.com/read/28511265/diagnostic-value-of-diffusion-weighted-mri-for-tumor-characterization-differentiation-and-monitoring-in-pediatric-patients-with-neuroblastic-tumors
#1
Henning Neubauer, Mengxia Li, Verena Rabea Müller, Thomas Pabst, Meinrad Beer
Purpose We explored the diagnostic value of diffusion-weighted MRI (DWI) for tumor characterization, differentiation and therapy monitoring in pediatric patients with extracranial neuroblastic tumors. Materials and Methods All 29 patients (14 girls, median age: 3 years) with neuroblastoma (NB, n = 19), ganglioneuroblastoma (GNB, n = 4) and ganglioneuroma (GN, n = 6) who had had at least one in-house DWI examination since 2005 were identified and retrospectively analyzed. Two independent blinded readers measured ADC values (unit: 10-3 mm(2)/s) and signal intensity ratios (SIRs) of the primary tumor and, if applicable, of the tumor after chemotherapy, metastases and tumor relapse...
May 16, 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28499034/functional-disability-and-its-predictors-in-systemic-sclerosis-a-study-from-the-desscipher-project-within-the-eustar-group
#2
Veronika K Jaeger, Oliver Distler, Britta Maurer, Laszlo Czirják, Veronika Lóránd, Gabriele Valentini, Serena Vettori, Francesco Del Galdo, Giuseppina Abignano, Christopher Denton, Svetlana Nihtyanova, Yannick Allanore, Jerome Avouac, Gabriele Riemekasten, Elise Siegert, Dörte Huscher, Marco Matucci-Cerinic, Serena Guiducci, Marc Frerix, Ingo H Tarner, Beata Garay Toth, Beat Fankhauser, Jörg Umbricht, Anastasia Zakharova, Carina Mihai, Franco Cozzi, Sule Yavuz, Nicolas Hunzelmann, Simona Rednic, Alessandra Vacca, Tim Schmeiser, Valeria Riccieri, Paloma García de la Peña Lefebvre, Armando Gabrielli, Brigitte Krummel-Lorenz, Duska Martinovic, Codrina Ancuta, Vanessa Smith, Ulf Müller-Ladner, Ulrich A Walker
Objectives.: The multisystem manifestations of SSc can greatly impact patients' quality of life. The aim of this study was to identify factors associated with disability in SSc. Methods.: SSc patients from the prospective DeSScipher cohort who had completed the scleroderma health assessment questionnaire (SHAQ), a disability score that combines the health assessment questionnaire and five visual analogue scales, were included in this analysis. The effect of factors possibly associated with disability was analysed with multiple linear regressions...
May 11, 2017: Rheumatology
https://www.readbyqxmd.com/read/28490610/mechanisms-of-insulin-resistance-in-primary-and-secondary-non-alcoholic-fatty-liver
#3
Tomas Jelenik, Kirti Kaul, Gilles Séquaris, Ulrich Flögel, Esther Phielix, Jörg Kotzka, Birgit Knebel, Pia Fahlbusch, Tina Hörbelt, Stefan Lehr, Anna Lena Reinbeck, Dirk Müller-Wieland, Irene Esposito, Gerald I Shulman, Julia Szendroedi, Michael Roden
Non-alcoholic fatty liver disease (NAFLD) is associated with hepatic insulin resistance and may result primarily from increased hepatic de novo lipogenesis (PRIM) or secondarily from adipose-tissue lipolysis (SEC). We studied mice with hepatocyte- or adipocyte-specific sterol regulatory-element binding protein-1c (SREBP-1c) overexpression as models of PRIM and SEC. PRIM mice featured increased lipogenic gene expression in liver and adipose tissue. Their selective, liver-specific insulin resistance was associated with increased C18:1-diacylglycerol (DAG) content and protein kinase C (PKC)ε translocation...
May 10, 2017: Diabetes
https://www.readbyqxmd.com/read/28482373/the-genetic-approach-next-generation-sequencing-based-diagnosis-of-congenital-and-infantile-myopathies-muscle-dystrophies
#4
Wolfram Kress, Simone Rost, Konstantin Kolokotronis, Gerhard Meng, Natalie Pluta, Clemens Müller-Reible
No abstract text is available yet for this article.
May 8, 2017: Neuropediatrics
https://www.readbyqxmd.com/read/28481890/associations-between-selective-attention-and-soil-transmitted-helminth-infections-socioeconomic-status-and-physical-fitness-in-disadvantaged-children-in-port-elizabeth-south-africa-an-observational-study
#5
Stefanie Gall, Ivan Müller, Cheryl Walter, Harald Seelig, Liana Steenkamp, Uwe Pühse, Rosa du Randt, Danielle Smith, Larissa Adams, Siphesihle Nqweniso, Peiling Yap, Sebastian Ludyga, Peter Steinmann, Jürg Utzinger, Markus Gerber
BACKGROUND: Socioeconomically deprived children are at increased risk of ill-health associated with sedentary behavior, malnutrition, and helminth infection. The resulting reduced physical fitness, growth retardation, and impaired cognitive abilities may impede children's capacity to pay attention. The present study examines how socioeconomic status (SES), parasitic worm infections, stunting, food insecurity, and physical fitness are associated with selective attention and academic achievement in school-aged children...
May 8, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28474244/-morel-lavall%C3%A3-e-lesion-severely-injured-13%C3%A2-year%C3%A2-old-after-being-run-over
#6
F C F Schmitt, T Brenner, S Hofer, M A Weigand, P A Grützner, U Kneser, T Kremer, J Franke, U Müller
Accidents in which a person is run over are often associated with multiple serious injuries. Immediate bleeding control is crucial. Pressure and shear stress at the borders of subcutaneous tissue to the muscle fascia can cause hypoperfusion and the emergence of blood-filled cavities that are associated with a high risk of infection and necrosis, a so-called Morel-Lavallée lesion. Insufficient therapy can lead to local complications and furthermore to live-threatening sepsis.
May 4, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28466759/knee-ankle-foot-orthosis-with-powered-knee-for-support-in-the-elderly
#7
Peter Paul Pott, Sebastian Immanuel Wolf, Julia Block, Stefan van Drongelen, Markus Grün, Daniel Ww Heitzmann, Jürgen Hielscher, Andreas Horn, Roman Müller, Oliver Rettig, Ulrich Konigorski, Roland Werthschützky, Helmut Friedrich Schlaak, Thorsten Meiß
A prototype of a powered knee orthotic device was developed to determine whether fractional external torque and power support to the knee relieves the biomechanical loads and reduces the muscular demand for a subject performing sit-to-stand movements. With this demonstrator, consisting of the subsystems actuation, kinematics, sensors, and control, all relevant sensor data can be acquired and full control is maintained over actuator parameters. A series-elastic actuator based on a direct current motor provides up to 30 Nm torque to the knee via a hinge joint with an additional sliding degree of freedom...
May 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28465195/extensor-indicis-proprius-tendon-transfer-using-shear-wave-elastography
#8
J Lamouille, C Müller, S Aubry, S Bensamoun, W Raffoul, S Durand
The means for judging optimal tension during tendon transfers are approximate and not very quantifiable. The purpose of this study was to demonstrate the feasibility of quantitatively assessing muscular mechanical properties intraoperatively using ultrasound elastography (shear wave elastography [SWE]) during extensor indicis proprius (EIP) transfer. We report two cases of EIP transfer for post-traumatic rupture of the extensor pollicis longus muscle. Ultrasound acquisitions measured the elasticity modulus of the EIP muscle at different stages: rest, active extension, active extension against resistance, EIP section, distal passive traction of the tendon, after tendon transfer at rest and then during active extension...
March 7, 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/28414295/high-salt-intake-reprioritizes-osmolyte-and-energy-metabolism-for-body-fluid-conservation
#9
Kento Kitada, Steffen Daub, Yahua Zhang, Janet D Klein, Daisuke Nakano, Tetyana Pedchenko, Louise Lantier, Lauren M LaRocque, Adriana Marton, Patrick Neubert, Agnes Schröder, Natalia Rakova, Jonathan Jantsch, Anna E Dikalova, Sergey I Dikalov, David G Harrison, Dominik N Müller, Akira Nishiyama, Manfred Rauh, Raymond C Harris, Friedrich C Luft, David H Wassermann, Jeff M Sands, Jens Titze
Natriuretic regulation of extracellular fluid volume homeostasis includes suppression of the renin-angiotensin-aldosterone system, pressure natriuresis, and reduced renal nerve activity, actions that concomitantly increase urinary Na+ excretion and lead to increased urine volume. The resulting natriuresis-driven diuretic water loss is assumed to control the extracellular volume. Here, we have demonstrated that urine concentration, and therefore regulation of water conservation, is an important control system for urine formation and extracellular volume homeostasis in mice and humans across various levels of salt intake...
May 1, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28393273/age-dependent-development-of-left-ventricular-wall-thickness-in-type-2-diabetic-db-db-mice-is-associated-with-elevated-low-density-lipoprotein-and-triglyceride-serum-levels
#10
Phiwayinkosi V Dludla, M Faadiel Essop, Kwazi B Gabuza, Christo J F Muller, Johan Louw, Rabia Johnson
Diabetic cardiomyopathy (DCM) is a disease of heart muscle that remains one of the leading causes of death in diabetic individuals. Shifts in substrate preference resulting in aberrant serum lipid content and enlarged left ventricular wall thickness are well-established characteristics associated with the development of DCM. As underlying mechanisms driving the onset of the DCM remain relatively unclear, this study sought to characterize age-dependent development of left ventricular (LV) wall thickness in diabetic (db/db) mice...
April 9, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28385920/blood-pressure-and-calf-muscle-oxygen-extraction-during-plantar-flexion-exercise-in-peripheral-artery-disease
#11
J Carter Luck, Amanda J Miller, Faisal Aziz, John F Radtka, David N Proctor, Urs A Leuenberger, Lawrence I Sinoway, Matthew D Muller
Peripheral artery disease (PAD) is an atherosclerotic vascular disease that affects 200 million worldwide. While PAD primarily affects large arteries, it is also associated with microvascular dysfunction, an exaggerated blood pressure (BP) response to exercise, and high cardiovascular mortality. We hypothesized that fatiguing plantar flexion exercise that evokes claudication elicits a greater reduction in skeletal muscle oxygenation (SmO2) and a higher rise in BP in PAD compared to age-matched healthy subjects, but low-intensity steady state plantar flexion elicits similar responses between groups...
April 6, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28382923/a-compliant-and-biomimetic-three-layered-vascular-graft-for-small-blood-vessels
#12
Yi Zhang, Xiangshun Li, Géraldine Guex, Shanshan Liu, Eike Müller, Riccardo Innocenti Malini, Huijing Zhao, Markus Rottmar, Katharina Maniura, Rene Rossi, Fabrizio Spano
Engineering a small diameter vascular graft with mechanical and biological properties comparable to living tissues remains challenging. Often, current devices lead to thrombosis and unsatisfactory long-term patency as a result of poor blood compatibility and a mismatch between the mechanical properties of the living tissue and the implanted biomaterial. Address-ing all these requirements is essential to produce scaffolds able to survive throughout the life of the patient. For this purpose, we fabricated a novel three-layered vascular graft by combining electrospinning and braiding...
April 6, 2017: Biofabrication
https://www.readbyqxmd.com/read/28379579/discovery-of-novel-heart-rate-associated-loci-using-the-exome-chip
#13
Marten E van den Berg, Helen R Warren, Claudia P Cabrera, Niek Verweij, Borbala Mifsud, Jeffrey Haessler, Nathan A Bihlmeyer, Yi-Ping Fu, Stefan Weiss, Henry J Lin, Niels Grarup, Ruifang Li-Gao, Giorgio Pistis, Nabi Shah, Jennifer A Brody, Martina Müller-Nurasyid, Honghuang Lin, Hao Mei, Albert V Smith, Leo-Pekka Lyytikäinen, Leanne M Hall, Jessica van Setten, Stella Trompet, Bram P Prins, Aaron Isaacs, Farid Radmanesh, Jonathan Marten, Aiman Entwistle, Jan A Kors, Claudia T Silva, Alvaro Alonso, Joshua C Bis, Rudolf de Boer, Hugoline G de Haan, Renée de Mutsert, George Dedoussis, Anna F Dominiczak, Alex S F Doney, Patrick T Ellinor, Ruben N Eppinga, Stephan B Felix, Xiuqing Guo, Yanick Hagemeijer, Torben Hansen, Tamara B Harris, Susan R Heckbert, Paul L Huang, Shih-Jen Hwang, Mika Kähönen, Jørgen K Kanters, Ivana Kolcic, Lenore J Launer, Man Li, Jie Yao, Allan Linneberg, Simin Liu, Peter W Macfarlane, Massimo Mangino, Andrew D Morris, Antonella Mulas, Alison D Murray, Christopher P Nelson, Marco Orrú, Sandosh Padmanabhan, Annette Peters, David J Porteous, Neil Poulter, Bruce M Psaty, Lihong Qi, Olli T Raitakari, Fernando Rivadeneira, Carolina Roselli, Igor Rudan, Naveed Sattar, Peter Sever, Moritz F Sinner, Elsayed Z Soliman, Timothy D Spector, Alice V Stanton, Kathleen E Stirrups, Kent D Taylor, Martin D Tobin, André Uitterlinden, Ilonca Vaartjes, Arno W Hoes, Peter van der Meer, Uwe Völker, Melanie Waldenberger, Zhijun Xie, Magdalena Zoledziewska, Andrew Tinker, Ozren Polasek, Jonathan Rosand, Yalda Jamshidi, Cornelia M van Duijn, Eleftheria Zeggini, J Wouter Jukema, Folkert W Asselbergs, Nilesh J Samani, Terho Lehtimäki, Vilmundur Gudnason, James Wilson, Steven A Lubitz, Stefan Kääb, Nona Sotoodehnia, Mark J Caulfield, Colin N A Palmer, Serena Sanna, Dennis O Mook-Kanamori, Panos Deloukas, Oluf Pedersen, Jerome I Rotter, Marcus Dörr, Chris J O'Donnell, Caroline Hayward, Dan E Arking, Charles Kooperberg, Pim van der Harst, Mark Eijgelsheim, Bruno H Stricker, Patricia B Munroe
Background Resting heart rate is a heritable trait, and an increase in heart rate is associated with increased mortality risk. GWAS analyses have found loci associated with resting heart rate, at the time of our study these loci explained 0.9% of the variation.Aim To discover new genetic loci associated with heart rate from Exome Chip meta-analyses.Methods Heart rate was measured from either elecrtrocardiograms or pulse recordings. We meta-analysed heart rate association results from 104,452 European-ancestry individuals from 30 cohorts, genotyped using the Exome Chip...
April 3, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28367434/mediator-complex-subunit-med1-protein-expression-is-decreased-during-bladder-cancer-progression
#14
Niklas Klümper, Isabella Syring, Wenzel Vogel, Doris Schmidt, Stefan C Müller, Jörg Ellinger, Zaki Shaikhibrahim, Johannes Brägelmann, Sven Perner
INTRODUCTION: Bladder cancer (BCa) is among the most frequent cancer entities and relevantly contributes to cancer-associated deaths worldwide. The multi-protein Mediator complex is a central regulator of the transcriptional machinery of protein-coding genes and has been described to be altered in several malignancies. MED1, a subunit of the tail module, was described to negatively modulate expression of metastasis-related genes and to be downregulated in melanoma and lung cancer. In contrast, MED1 hyperactivity was described in breast and prostate cancer, likely due its function as a hub for nuclear hormone receptors...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28348529/sport-specific-capacity-to-use-elastic-energy-in-the-patellar-and-achilles-tendons-of-elite-athletes
#15
Hans-Peter Wiesinger, Florian Rieder, Alexander Kösters, Erich Müller, Olivier R Seynnes
Introduction: During running and jumping activities, elastic energy is utilized to enhance muscle mechanical output and efficiency. However, training-induced variations in tendon spring-like properties remain under-investigated. The present work extends earlier findings on sport-specific profiles of tendon stiffness and cross-sectional area to examine whether years of distinct loading patterns are reflected by tendons' ability to store and return energy. Methods:Ultrasound scans were performed to examine the morphological features of knee extensor and plantar flexor muscle-tendon units in elite ski jumpers, distance runners, water polo players, and sedentary controls...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28329240/effect-of-breathing-oxygen-enriched-air-on-exercise-performance-in-patients-with-precapillary-pulmonary-hypertension-randomized-sham-controlled-cross-over-trial
#16
Silvia Ulrich, Elisabeth D Hasler, Stéphanie Saxer, Michael Furian, Séverine Müller-Mottet, Stephan Keusch, Konrad E Bloch
Aims: The purpose of the current trial was to test the hypothesis that breathing oxygen-enriched air increases exercise performance of patients with pulmonary arterial or chronic thrombo-embolic pulmonary hypertension (PAH/CTEPH) and to investigate involved mechanisms. Methods and results: Twenty-two patients with PAH/CTEPH, eight women, means ± SD 61 ± 14 years, resting mPAP 35 ± 9mmHg, PaO2 ambient air >7.3 kPa, underwent four bicycle ergospirometries to exhaustion on different days, while breathing oxygen-enriched (FiO2 0...
April 14, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28327564/quantification-of-whole-body-and-segmental-skeletal-muscle-mass-using-phase-sensitive-8-electrode-medical-bioelectrical-impedance-devices
#17
A Bosy-Westphal, B Jensen, W Braun, M Pourhassan, D Gallagher, M J Müller
BACKGROUND/OBJECTIVES: Bioelectrical impedance analysis (BIA) provides noninvasive measures of skeletal muscle mass (SMM) and visceral adipose tissue (VAT). This study (i) analyzes the impact of conventional wrist-ankle vs segmental technology and standing vs supine position on BIA equations and (ii) compares BIA validation against magnetic resonance imaging (MRI) and dual X-ray absorptiometry (DXA). SUBJECTS/METHODS: One hundred and thirty-six healthy Caucasian adults (70 men, 66 women; age 40±12 years) were measured by a phase-sensitive multifrequency BIA (seca medical body composition analyzers 515 and 525)...
March 22, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28326005/bioactivity-of-food-peptides-biological-response-of-rats-to-bovine-milk-whey-peptides-following-acute-exercise
#18
Carolina Soares Moura, Pablo Christiano Barboza Lollo, Priscila Neder Morato, Eder Muller Risso, Jaime Amaya-Farfan
Background: Several physiologically beneficial effects of consuming a whey protein hydrolysate (WPH) have been attributed to the greater availability of bioactive peptides. Aims: The aim was to investigate the effect of four branched-chain amino acid- (BCAA-)containing dipeptides, present in WPH, on immune modulation, stimulation of HSP expression, muscle protein synthesis, glycogen content, satiety signals and the impact of these peptides on the plasma free amino acid profiles. Methods: The animals were divided in groups: control (rest, without gavage), vehicle (water), L-isoleucyl-L-leucine (lle-Leu), L-leucyl-L-isoleucine (Leu-lle), L-valyl-Lleucine (Val-Leu), L-leucyl-L-valine (Leu-Val) and WPH...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28296976/exome-wide-association-study-reveals-novel-susceptibility-genes-to-sporadic-dilated-cardiomyopathy
#19
Ulrike Esslinger, Sophie Garnier, Agathe Korniat, Carole Proust, Georgios Kararigas, Martina Müller-Nurasyid, Jean-Philippe Empana, Michael P Morley, Claire Perret, Klaus Stark, Alexander G Bick, Sanjay K Prasad, Jennifer Kriebel, Jin Li, Laurence Tiret, Konstantin Strauch, Declan P O'Regan, Kenneth B Marguiles, Jonathan G Seidman, Pierre Boutouyrie, Patrick Lacolley, Xavier Jouven, Christian Hengstenberg, Michel Komajda, Hakon Hakonarson, Richard Isnard, Eloisa Arbustini, Harald Grallert, Stuart A Cook, Christine E Seidman, Vera Regitz-Zagrosek, Thomas P Cappola, Philippe Charron, François Cambien, Eric Villard
AIMS: Dilated cardiomyopathy (DCM) is an important cause of heart failure with a strong familial component. We performed an exome-wide array-based association study (EWAS) to assess the contribution of missense variants to sporadic DCM. METHODS AND RESULTS: 116,855 single nucleotide variants (SNVs) were analyzed in 2796 DCM patients and 6877 control subjects from 6 populations of European ancestry. We confirmed two previously identified associations with SNVs in BAG3 and ZBTB17 and discovered six novel DCM-associated loci (Q-value<0...
2017: PloS One
https://www.readbyqxmd.com/read/28288613/outcome-of-patients-after-lower-limb-fracture-with-partial-weight-bearing-postoperatively-treated-with-or-without-anti-gravity-treadmill-alter-g%C3%A2-during-six-weeks-of-rehabilitation-a-protocol-of-a-prospective-randomized-trial
#20
Ralf Henkelmann, Sebastian Schneider, Daniel Müller, Ralf Gahr, Christoph Josten, Jörg Böhme
BACKGROUND: Partial or complete immobilization leads to different adjustment processes like higher risk of muscle atrophy or a decrease of general performance. The present study is designed to prove efficacy of the anti-gravity treadmill (alter G®) compared to a standard rehabilitation protocol in patients with tibial plateau (group 1)or ankle fractures (group 2) with six weeks of partial weight bearing of 20 kg. METHODS AND DESIGN: This prospective randomized study will include a total of 60 patients for each group according to predefined inclusion and exclusion criteria...
March 14, 2017: BMC Musculoskeletal Disorders
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