keyword
MENU ▼
Read by QxMD icon Read
search

beat

keyword
https://www.readbyqxmd.com/read/28527012/effect-of-voluntary-hypocapnic-hyperventilation-or-moderate-hypoxia-on-metabolic-and-heart-rate-responses-during-high-intensity-intermittent-exercise
#1
Kohei Dobashi, Naoto Fujii, Kazuhito Watanabe, Bun Tsuji, Yosuke Sasaki, Tomomi Fujimoto, Satoru Tanigawa, Takeshi Nishiyasu
PURPOSE: To investigate the effect of voluntary hypocapnic hyperventilation or moderate hypoxia on metabolic and heart rate responses during high-intensity intermittent exercise. METHODS: Ten males performed three 30-s bouts of high-intensity cycling [Ex1 and Ex2: constant-workload at 80% of the power output in the Wingate anaerobic test (WAnT), Ex3: WAnT] interspaced with 4-min recovery periods under normoxic (Control), hypocapnic or hypoxic (2500 m) conditions...
May 19, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28526295/large-scale-exploratory-genetic-analysis-of-cognitive-impairment-in-parkinson-s-disease
#2
Ignacio F Mata, Catherine O Johnson, James B Leverenz, Daniel Weintraub, John Q Trojanowski, Vivianna M Van Deerlin, Beate Ritz, Rebecca Rausch, Stewart A Factor, Cathy Wood-Siverio, Joseph F Quinn, Kathryn A Chung, Amie L Peterson-Hiller, Alberto J Espay, Fredy J Revilla, Johnna Devoto, Dora Yearout, Shu-Ching Hu, Brenna A Cholerton, Thomas J Montine, Karen L Edwards, Cyrus P Zabetian
Cognitive impairment is a common and disabling problem in Parkinson's disease (PD). Identification of genetic variants that influence the presence or severity of cognitive deficits in PD might provide a clearer understanding of the pathophysiology underlying this important nonmotor feature. We genotyped 1105 PD patients from the PD Cognitive Genetics Consortium for 249,336 variants using the NeuroX array. Participants underwent assessments of learning and memory (Hopkins Verbal Learning Test-Revised [HVLT-R]), working memory/executive function (Letter-Number Sequencing and Trail Making Test [TMT] A and B), language processing (semantic and phonemic verbal fluency), visuospatial abilities (Benton Judgment of Line Orientation [JoLO]), and global cognitive function (Montreal Cognitive Assessment)...
April 20, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28525920/torsade-de-pointes-arrhythmias-arise-at-the-site-of-maximal-heterogeneity-of-repolarization-in-the-chronic-complete-atrioventricular-block-dog
#3
Albert Dunnink, Thom R G Stams, Alexandre Bossu, Veronique M F Meijborg, Jet D M Beekman, Sofieke C Wijers, Jacques M T De Bakker, Marc A Vos
Aims: The chronic complete atrioventricular block (CAVB) dog is highly sensitive for drug-induced torsade de pointes (TdP) arrhythmias. Focal mechanisms have been suggested as trigger for TdP onset; however, its exact mechanism remains unclear. In this study, detailed mapping of the ventricles was performed to assess intraventricular heterogeneity of repolarization in relation to the initiation of TdP. Methods and results: In 8 CAVB animals, 56 needles, each containing 4 electrodes, were inserted in the ventricles...
May 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28525674/continuous-hemoadsorption-with-a-cytokine-adsorber-during-sepsis-a-review-of-the-literature
#4
Khosrow S Houschyar, Malcolm N Pyles, Susanne Rein, Ina Nietzschmann, Dominik Duscher, Zeshaan N Maan, Kristian Weissenberg, Hubertus M Philipps, Catharina Strauss, Beate Reichelt, Frank Siemers
Sepsis is a well-recognized healthcare issue worldwide, ultimately resulting in significant mortality, morbidity and resource utilization during and after critical illness. In its most severe form, sepsis causes multi-organ dysfunction that produces a state of critical illness characterized by severe immune dysfunction and catabolism. Sepsis induces the activation of complement factor via 3 pathways and the release of inflammatory cytokines such as tumor necrosis factor alpha (TNF-α) and interleukin-1beta (IL-1β), resulting in a systemic inflammatory response...
May 19, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28525673/report-on-50-cases-of-severe-acute-hypotension-at-donor-plasmaphereses-treatment-and-course
#5
Josef Evers, George B Schreiber, Uwe Taborski
INTRODUCTION: This paper reports our experience in 50 cases with severe hypotensive reactions at plasma donations (synonymous with donor plasmaphereses). METHODS: Plasma donors who developed a severe acute hypotensive reaction at donor plasmapheresis, and were treated by placing the donor in the Trendelenburg position and rapid infusion of 1,000 mL saline were investigated. Plasmaphereses were performed with the Haemonetics® plasma collecting system 2 (PCS2). The results were analyzed using Excel...
May 19, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28524451/tris-perfluorotolyl-borane-a-boron-lewis-superacid
#6
Norbert Werner Mitzel, Jan Schwabedissen, Leif Körte, Marcel Soffner, Sebastian Blomeyer, Christian Reuter, Yury Vishnevskiy, Beate Neumann, Georg Stammler
Tris(tetrafluoro-4-(trifluoromethyl)phenyl)borane (BTolF) was prepared by reacting boron tribromide with tetrameric F3CC6F4-Cu(I). The latter was generated from F3CC6F4MgBr and copper(I) bromide. Lewis acidities of BTolF evaluated by the Gutmann-Beckett method and calculated fluoride ion affinities are 9 and 10%, respecttively, higher than that of tris(penta-fluorophenyl)borane (BCF) and even higher than that of SbF5. The molecular structures of BTolF and BCF were determined by gas electron diffraction, that of BTolF also by single crystal X-ray diffraction...
May 19, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28524066/a-flight-phase-terrain-following-control-strategy-for-stable-and-robust-hopping-of-a-one-legged-robot-under-large-terrain-variations
#7
Natan Shemer, Amir Degani
This work demonstrates a simple, once per step, flight-phase control method for robots running on a planar unknown rough-terrain environment. The robot used to exemplify these control strategies is the ParkourBot, a Spring-Loaded Inverted Pendulum (SLIP)-based robot. The SLIP model is widely used for the description of humans and animals running motion and has been the basis for many robots. A known control scheme for increasing robustness of the conservative, SLIP model is the Swing Leg Retraction (SLR) method...
May 19, 2017: Bioinspiration & Biomimetics
https://www.readbyqxmd.com/read/28523216/foresight-beats-hindsight-the-neural-correlates-underlying-motor-preparation-in-the-pro-anti-cue-paradigm
#8
Franziska Emmerling, Felix Duecker, Tom A de Graaf, Teresa Schuhmann, Jos J Adam, Alexander T Sack
BACKGROUND: Human motor behaviors are characterized by both, reactive and proactive mechanisms. Yet, studies investigating the neural correlates of motor behavior almost exclusively focused on reactive motor processes. Here, we employed the pro-/anti-cue motor preparation paradigm to systematically study proactive motor control in an imaging environment. In this paradigm, either pro- or anti-cues are presented in a blocked design. Four fingers (two from each hand) are mapped onto four visual target locations...
May 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28523001/the-role-of-transient-receptor-potential-vanilloid-4-in-pulmonary-inflammatory-diseases
#9
REVIEW
Rachel G Scheraga, Brian D Southern, Lisa M Grove, Mitchell A Olman
Ion channels/pumps are essential regulators of organ homeostasis and disease. In the present review, we discuss the role of the mechanosensitive cation channel, transient receptor potential vanilloid 4 (TRPV4), in cytokine secretion and pulmonary inflammatory diseases such as asthma, cystic fibrosis (CF), and acute lung injury/acute respiratory distress syndrome (ARDS). TRPV4 has been shown to play a role in lung diseases associated with lung parenchymal stretch or stiffness. TRPV4 indirectly mediates hypotonicity-induced smooth muscle contraction and airway remodeling in asthma...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28522970/automatic-optimization-of-the-computation-graph-in-the-nengo-neural-network-simulator
#10
Jan Gosmann, Chris Eliasmith
One critical factor limiting the size of neural cognitive models is the time required to simulate such models. To reduce simulation time, specialized hardware is often used. However, such hardware can be costly, not readily available, or require specialized software implementations that are difficult to maintain. Here, we present an algorithm that optimizes the computational graph of the Nengo neural network simulator, allowing simulations to run more quickly on commodity hardware. This is achieved by merging identical operations into single operations and restructuring the accessed data in larger blocks of sequential memory...
2017: Frontiers in Neuroinformatics
https://www.readbyqxmd.com/read/28522871/mug-mel2-a-novel-highly-pigmented-and-well-characterized-nras-mutated-human-melanoma-cell-line
#11
Beate Rinner, Greta Gandolfi, Katharina Meditz, Marie-Therese Frisch, Karin Wagner, Alessia Ciarrocchi, Federica Torricelli, Raili Koivuniemi, Johanna Niklander, Bernadette Liegl-Atzwanger, Birgit Lohberger, Ellen Heitzer, Nassim Ghaffari-Tabrizi-Wizsy, Dagmar Zweytick, Iris Zalaudek
NRAS mutation in melanoma has been associated with aggressive tumor biology and poor prognosis. Although targeted therapy has been tested for NRAS mutated melanoma, response rates still appear much weaker, than in BRAF mutated melanoma. While plenty of cell lines exist, however, only few melanogenic cell lines retain their in vivo characteristics. In this work we present an intensively pigmented and well-characterized cell line derived from a highly aggressive NRAS mutated cutaneous melanoma, named MUG-Mel2...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28522761/ventricular-action-potential-adaptation-to-regular-exercise-role-of-%C3%AE-adrenergic-and-katp-channel-function
#12
Xinrui Wang, Robert H Fitts
Regular exercise-training is known to affect the action potential duration (APD) and improve heart function, but the involvement by β-adrenergic receptor (β-AR) subtypes and/or KATP channel is unknown. To address this, female and male Sprague-Dawley rats were randomly assigned to voluntary wheel running or control groups and after 6-8 weeks training anesthetized and myocytes isolated. Exercise-training significantly increased APD of apex and base myocytes at 1Hz, while decreasing the APD at 10Hz. Ca(2+) transient durations reflected the changes observed in APD, while Ca(2+) transient amplitudes were unaffected by wheel running...
May 18, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28522367/qrs-t-wave-and-calcium-alternans-in-a-type-i-diabetic-mouse-model-for-spontaneous-post-myocardial-infarction-ventricular-tachycardia-a-mechanism-for-the-antiarrhythmic-effect-of-statins
#13
Hongwei Jin, Charles M Welzig, Mark Aronovitz, Farzad Noubary, Robert Blanton, Bo Wang, Mohammad Rajab, Alfred Albano, Mark S Link, Sami F Noujaim, Ho-Jin Park, Jonas B Galper
BACKGROUND: The incidence of sudden arrhythmic death is markedly increased in diabetics. OBJECTIVE: Develop a mouse model for Post MI VT in the diabetic heart and determine the mechanism of an antiarrhythmic effect of statins. METHODS: EKG transmitters were implanted in wild type (WT), placebo and pravastatin treated Type I diabetic Akita mice, MIs induced by coronary ligation, Ca(2+) transients studied by optical mapping, Ca(2+) transients and sparks in left VM (VM) by the Ionoptix system and confocal microscopy...
May 15, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28522354/corrigendum-to-differential-effects-of-the-persistent-ddt-metabolite-methylsulfonyl-dde-in-nonstimulated-and-lh-stimulated-neonatal-porcine-leydig-cells-toxicology-and-applied-pharmacology-267-2013-247-255
#14
Cesilie Granum Castellanos, Irene Beate Sørvik, Marte Bruu Tanum, Steven Verhaegen, Ingvar Brandt, Erik Ropstad
No abstract text is available yet for this article.
May 15, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28521042/induced-pluripotent-stem-cell-modelling-of-hlhs-underlines-the-contribution-of-dysfunctional-notch-signalling-to-impaired-cardiogenesis
#15
Chunbo Yang, Yaobo Xu, Min Yu, David Lee, Sameer Alharti, Nicola Hellen, Noor Ahmad Shaik, Babajan Banaganapalli, Hussein Ali Mohamoud Sheikh, Elango Ramu, Stefan Przyborski, Gennadiy Tenin, Simon Williams, John O'Sullivan, Osman O Al-Radi, Jameel Atta, Sian E Harding, Bernard Keavney, Majlinda Lako, Lyle Armstrong
Hypoplastic left heart syndrome (HLHS) is among the most severe forms of congenital heart disease. Although the consensus view is that reduced flow through the left heart during development is a key factor in the development of the condition, the molecular mechanisms leading to hypoplasia of left heart structures are unknown. We have generated induced pluripotent stem cells (iPSC) from five HLHS patients and two unaffected controls, differentiated these to cardiomyocytes and identified reproducible in vitro cellular and functional correlates of the HLHS phenotype...
May 17, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28520685/pelvic-fracture-pattern-predicts-the-need-for-hemorrhage-control-intervention-results-of-an-aast-multi-institutional-study
#16
Todd W Costantini, Raul Coimbra, John B Holcomb, Jeanette M Podbielski, Richard D Catalano, Allie Blackburn, Thomas M Scalea, Deborah M Stein, Lashonda Williams, Joseph Conflitti, Scott Keeney, Christy Hoey, Tianhua Zhou, Jason Sperry, Dimitra Skiada, Kenji Inaba, Brian H Williams, Joseph P Minei, Alicia Privette, Robert C Mackersie, Brenton R Robinson, Forrest O Moore
BACKGROUND: Early identification of patients with pelvic fractures at risk of severe bleeding requiring intervention is critical. We performed a multi-institutional study to test our hypothesis that pelvic fracture patterns predict the need for a pelvic hemorrhage control intervention. METHODS: This prospective, observational, multicenter study enrolled patients with pelvic fracture due to blunt trauma. Inclusion criteria included shock on admission (systolic blood pressure <90 mm Hg or heart rate >120 beats/min and base deficit >5, and the ability to review pelvic imaging)...
June 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28520650/balloon-dilatation-of-the-minor-duodenal-papilla-up-to-4-mm-is-safe-in-a-porcine-model
#17
Philip C Müller, Daniel C Steinemann, Peter Sauer, Kaspar Z'graggen, Georg R Linke, Beat P Müller-Stich
OBJECTIVES: Balloon dilatation of the minor duodenal papilla is a treatment option for symptomatic pancreas divisum. The histologic effects of balloon dilatation have not yet been evaluated. The aim of this study is to investigate the tolerated extent of dilatation of the minor papilla. MATERIALS AND METHODS: A dilatation of the minor papilla was performed in freshly explanted pancreas of pigs using biliary balloon dilatators. Three organs were not dilated (control group), in each 8 organs a dilatation of 4, 6, and 8 mm, respectively, was performed...
May 17, 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/28520478/violence-against-women-and-household-ownership-of-radios-computers-and-phones-in-20-countries
#18
Lauren F Cardoso, Susan B Sorenson
OBJECTIVES: To examine the relationship between household ownership of information and communication technologies (ICTs) and justifications for wife beating. METHODS: Women aged 15 to 49 years in 20 countries were surveyed via UNICEF's Multiple Indicator Cluster Surveys between 2006 and 2014. Multivariate logistic regressions accounted for individual-, household-, and structural-level variables. RESULTS: Household ownership of any ICT (radio, computer, fixed phone, or mobile phone but not television) was associated with increased odds of women rejecting wife beating...
May 18, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28518129/cardiac-muscle-cell-based-actuator-and-self-stabilizing-biorobot-part-2
#19
Neerajha Nagarajan, Merrel T Holley, Christian Danielson, Kidong Park, Pinar Zorlutuna
In recent years, hybrid devices that consist of a living cell or tissue component integrated with a synthetic mechanical backbone have been developed. These devices, called biorobots, are powered solely by the force generated from the contractile activity of the living component and, due to their many inherent advantages, could be an alternative to conventional fully artificial robots. Here, we describe the methods to seed and characterize a biological actuator and a biorobot that was designed, fabricated, and functionalized in the first part of this two-part article...
May 9, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28516419/abstracts-of-the-52nd-workshop-for-pediatric-research-frankfurt-germany-27-28-october-2016
#20
Rhea van den Bruck, Patrick P Weil, Thomas Ziegenhals, Philipp Schreiner, Stefan Juranek, Daniel Gödde, Silvia Vogel, Frauke Schuster, Valerie Orth, Johannes Dörner, Daniel Pembaur, Meike Röper, Stefan Störkel, Hubert Zirngibl, Stefan Wirth, Andreas C W Jenke, Jan Postberg, Nikolas Boy, Jana Heringer, Gisela Haege, Esther M Glahn, Georg F Hoffmann, Sven F Garbade, Peter Burgard, Stefan Kölker, Cho-Ming Chao, Faady Yahya, Alena Moiseenko, Amit Shrestha, Negah Ahmadvand, Jennifer Quantius, Jochen Wilhelm, Elie El-Agha, Klaus-Peter Zimmer, Saverio Bellusci, Christian Staufner, Stefan Kölker, Holger Prokisch, Georg F Hoffmann, Stephan Seeliger, Matthias Müller, Andreas Hippe, Henrik Steinkraus, Roland Wauer, Burkhard Lachmann, Sigrun R Hofmann, Christian M Hedrich, Jakob Zierk, Farhad Arzideh, Rainer Haeckel, Wolfgang Rascher, Manfred Rauh, Markus Metzler, Sebastian Thieme, Joanna Bandoła, Cornelia Richter, Martin Ryser, Arshad Jamal, Michelle P Ashton, Malte von Bonin, Matthias Kuhn, Christian M Hedrich, Ezio Bonifacio, Reinhard Berner, Sebastian Brenner, Johanna Hammersen, Cristina Has, Nora Naumann-Bartsch, Daniel Stachel, Dimitra Kiritsi, Stephan Söder, Mathilde Tardieu, Markus Metzler, Leena Bruckner-Tuderman, Holm Schneider, F Bohne, D Langer, R Cencic, T Eggermann, U Zechner, J Pelletier, F Zepp, T Enklaar, D Prawitt, Martin Pech, Markus Weckmann, Femke-Anouska Heinsen, Andre Franke, Christine Happle, Anna-Maria Dittrich, Gesine Hansen, Oliver Fuchs, Erika von Mutius, Brian G Oliver, Matthias V Kopp, Claudia Paret, Alexandra Russo, Johanna Theruvath, Bettina Keller, Khalifa El Malki, Nadine Lehmann, Arthur Wingerter, Marie A Neu, Gerhold-Ay Aslihan, Wolfgang Wagner, Clemens Sommer, Torsten Pietsch, Larissa Seidmann, Jörg Faber, Felix Schreiner, Merle Ackermann, Michael Michalik, Eva Rother, Andras Bilkei-Gorzo, Ildiko Racz, Laura Bindila, Beat Lutz, Jörg Dötsch, Andreas Zimmer, Joachim Woelfle, Hendrik S Fischer, Tim L Ullrich, Christoph Bührer, Christoph Czernik, Gerd Schmalisch, Robert Stein, Sigrun R Hofmann, Judith Hagenbuchner, Ursula Kiechl-Kohlendorfer, Petra Obexer, Michael J Ausserlechner, Niki T Loges, Adrien Tobias Frommer, Julia Wallmeier, Heymut Omran, Soner Öner-Sieben, Martina Gimpfl, Jan Rozman, Martin Irmler, Johannes Beckers, Martin Hrabe De Angelis, Adelbert Roscher, Eckhard Wolf, Regina Ensenauer, Karolina Nemes, Michael Frühwald, Martin Hasselblatt, Reiner Siebert, Uwe Kordes, Marcel Kool, Haicui Wang, Holly Hardy, Osama Refai, Katy E S Barwick, Holly H Zimmerman, Joachim Weis, Emma L Baple, Andrew H Crosby, Sebahattin Cirak, C Hellmuth, O Uhl, M Standl, J Heinrich, E Thiering, B Koletzko, Lena Blümel, Kornelius Kerl, Daniel Picard, Michael C Frühwald, Max C Liebau, Guido Reifenberger, Arndt Borkhardt, Martin Hasselblatt, Marc Remke, D Tews, M Wabitsch, P Fischer-Posovszky, Mike-Andrew Westhoff, Lisa Nonnenmacher, Julia Langhans, Lukas Schneele, Nancy Trenkler, Klaus-Michael Debatin
No abstract text is available yet for this article.
May 2017: Molecular and Cellular Pediatrics
keyword
keyword
39587
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"