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https://www.readbyqxmd.com/read/28806551/effects-of-agricultural-land-use-on-fluvial-carbon-dioxide-methane-and-nitrous-oxide-concentrations-in-a-large-european-river-the-meuse-belgium
#1
A V Borges, F Darchambeau, T Lambert, S Bouillon, C Morana, S Brouyère, V Hakoun, A Jurado, H-C Tseng, J-P Descy, F A E Roland
We report a data-set of CO2, CH4, and N2O concentrations in the surface waters of the Meuse river network in Belgium, obtained during four surveys covering 50 stations (summer 2013 and late winter 2013, 2014 and 2015), from yearly cycles in four rivers of variable size and catchment land cover, and from 111 groundwater samples. Surface waters of the Meuse river network were over-saturated in CO2, CH4, N2O with respect to atmospheric equilibrium, acting as sources of these greenhouse gases to the atmosphere, although the dissolved gases also showed marked seasonal and spatial variations...
August 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28806436/effectiveness-of-a-timing-and-coordination-group-exercise-program-to-improve-mobility-in-community-dwelling-older-adults-a-randomized-clinical-trial
#2
Jennifer S Brach, Subashan Perera, Sandra Gilmore, Jessie M VanSwearingen, Deborah Brodine, Neelesh K Nadkarni, Edmund Ricci
Importance: Timing and coordination exercises may be an important addition to community-based health promotion exercise programs to improve walking in older adults. Objective: To compare the effectiveness of the On the Move group exercise program, which focuses on the timing and coordination of movement, with a seated strength, endurance, and flexibility program (usual care) at improving function, disability, and walking ability of older adults. Design, Setting, and Participants: Cluster-randomized, single-blind intervention trial...
August 14, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28806375/physics-and-histologic-evaluation-of-rotary-ultrasonic-and-sonic-instruments
#3
Emanuele Ruga, Ettore Amerio, Vincenzo Carbone, Marco Volante, Sergio Gandolfo
Rotary instruments (RIs) are the most commonly used to perform osteotomies in many fields of medicine. Owing to a new interest in performing a minimally invasive surgery, over last fifteen years new devices have been used in oral surgery such as ultrasonic instruments (UIs) and, lately, sonic instruments (SIs). Nowadays, bone preservation and regeneration are paramount in many clinical situations and, consequently, it is crucial to rely upon instruments, which cause the least tissue damage during the surgery...
August 10, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28806275/effects-of-creatine-and-carbohydrate-loading-on-cycling-time-trial-performance
#4
Kristyen A Tomcik, Donny M Camera, Julia L Bone, Megan L Ross, Nikki A Jeacocke, Bill Tachtsis, Joan Senden, Luc J C van Loon, John A Hawley, Louise M Burke
INTRODUCTION: Creatine- and carbohydrate-loading are dietary strategies used to enhance exercise capacity. This study examined the metabolic and performance effects of a combined creatine and CHO-loading regiment on time-trial (TT) cycling bouts. METHODS: Eighteen well-trained (~65mL[BULLET OPERATOR]kg[BULLET OPERATOR]min VO2peak) males completed three performance trials (PT) comprised of a 120-km cycling TT interspersed with alternating 1- and 4-km sprints (6 sprints each) performed every 10-km followed by an inclined ride to fatigue (~90% VO2peak)...
August 11, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28806139/mask-mitigates-mapt-and-fus-induced-degeneration-by-enhancing-autophagy-through-lysosomal-acidification
#5
Mingwei Zhu, Sheng Zhang, Xiaolin Tian, Chunlai Wu
Accumulation of intracellular misfolded or damaged proteins is associated with both normal aging and late-onset degenerative diseases. Two cellular clearance mechanisms, the ubiquitin-proteasome system (UPS) and the macroautophagy/autophagy-lysosomal pathway, work in concert to degrade harmful protein aggregates and maintain protein homeostasis. Here we show that Mask, an Ankyrin-repeat and KH-domain containing protein, plays a key role in promoting autophagy flux and mitigating degeneration caused by protein aggregation or impaired UPS function...
August 14, 2017: Autophagy
https://www.readbyqxmd.com/read/28805936/characterizing-hypoxia-in-human-glioma-a-simultaneous-multimodal-mri-and-pet-study
#6
Christine Preibisch, Kuangyu Shi, Anne Kluge, Mathias Lukas, Benedikt Wiestler, Jens Göttler, Jens Gempt, Florian Ringel, Mohamed Al Jaberi, Jürgen Schlegel, Bernhard Meyer, Claus Zimmer, Thomas Pyka, Stefan Förster
Hypoxia plays an important role for the prognosis and therapy response of cancer. Thus, hypoxia imaging would be a valuable tool for pre-therapeutic assessment of tumor malignancy. However, there is no standard validated technique for clinical application available yet. Therefore, we performed a study in 12 patients with high-grade glioma, where we directly compared the two currently most promising techniques, namely the MR-based relative oxygen extraction fraction (MR-rOEF) and the PET hypoxia marker H-1-(3-[(18) F]-fluoro-2-hydroxypropyl)-2-nitroimidazole ([(18) F]-FMISO)...
August 14, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28805919/cows-exposed-to-heat-stress-during-fetal-life-exhibit-improved-thermal-tolerance
#7
B M S Ahmed, U Younas, T O Asar, S Dikmen, P J Hansen, G E Dahl
Maternal heat stress during late gestation affects calf function during postnatal life. The objective of the present study was to evaluate whether calves that experience heat stress in utero have altered thermoregulatory responses to acute heat stress later in life. Specifically, the hypothesis was that heat stress in utero would improve the response to acute heat stress at maturity. Females were born to dams exposed to heat stress or cooled during late gestation preceding their birth. All animals were raised postnatally under identical management...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28805897/effects-of-grass-silage-quality-and-level-of-feed-intake-on-enteric-methane-production-in-lactating-dairy-cows
#8
D Warner, A Bannink, B Hatew, H van Laar, J Dijkstra
The objective of this study was to determine the effect of level of feed intake and quality of ryegrass silage as well as their interaction on enteric methane (CH) emission from dairy cows. In a randomized block design, 56 lactating dairy cows received a diet of grass silage, corn silage, and a compound feed meal (70:10:20 on DM basis). Treatments consisted of 4 grass silage qualities prepared from grass harvested from leafy through late heading stage, and offered to dairy cows at 96 ± 2.4 (mean ± SEM) days in milk (namely, high intake) and 217 ± 2...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28805571/palliative-care-and-nonmotor-symptoms-in-parkinson-s-disease-and-parkinsonism
#9
Nataliya Titova, K Ray Chaudhuri
The term palliative care (PC) is defined as a collection of interventions and strategies that helps to improve and sustain the quality of life of patients and caregivers in situations and scenarios associated with life-threatening illness. This is usually implemented by means of early identification and treatment of relevant motor and nonmotor issues such as pain, sleep, and autonomic dysfunction, dementia, and depression. In addition, a holistic PC program also includes delivery of physical, psychosocial, and spiritual support...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28804474/a-longitudinal-electromyography-study-of-complex-movements-in-poststroke-therapy-1-heterogeneous-changes-despite-consistent-improvements-in-clinical-assessments
#10
Negin Hesam-Shariati, Terry Trinh, Angelica G Thompson-Butel, Christine T Shiner, Penelope A McNulty
Poststroke weakness on the more-affected side may arise from reduced corticospinal drive, disuse muscle atrophy, spasticity, and abnormal coordination. This study investigated changes in muscle activation patterns to understand therapy-induced improvements in motor-function in chronic stroke compared to clinical assessments and to identify the effect of motor-function level on muscle activation changes. Electromyography (EMG) was recorded from five upper limb muscles on the more-affected side of 24 patients during early and late therapy sessions of an intensive 14-day program of Wii-based Movement Therapy (WMT) and for a subset of 13 patients at 6-month follow-up...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28803782/emotion-regulation-in-adolescents-an-erp-study
#11
Alex Desatnik, Tarik Bel-Bahar, Tobias Nolte, Michael Crowley, Peter Fonagy, Pasco Fearon
AIMS: The use of emotion regulation strategies can reduce the intensity of negative emotional experiences. Event related potentials (ERPs), specifically the late positive potential (LPP), are known to be sensitive to this modulation in adults. This is the first study to explore the neural correlates of expressive suppression in adolescents. We sought to replicate previous findings from emotion regulation studies with adult populations, show that the LPP can be modulated by expressive suppression in healthy adolescents, and examine the influence of age on LPP changes...
August 10, 2017: Biological Psychology
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
#12
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/28803687/predictors-of-asymptomatic-radiation-induced-abdominal-atherosclerosis
#13
L Cella, R Liuzzi, P Romanelli, M Conson, V D'Avino, M Ottaviano, V Damiano, G Palmieri, R Pacelli, M Mancini
AIMS: To identify predictors of asymptomatic radiation-induced abdominal atherosclerosis in patients treated with radiotherapy and evaluated by abdominal vascular ultrasonography. MATERIALS AND METHODS: Forty-two testicular classic seminoma patients (median age 34 years, range 16-56) undergoing radical inguinal orchiectomy were analysed. Twenty-six patients underwent post-surgery radiotherapy (median total dose 25 Gy, range 25-43), two of them also received chemotherapy (CHT) and 16 patients were treated with surgery alone or by surgery followed by CHT (control group)...
August 10, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28803576/age-at-castration-surgical-or-immunological-impacts-carcass-characteristics-and-meat-quality-of-male-pigs
#14
L Huber, E J Squires, I B Mandell, C F M de Lange
In order to accurately estimate body composition at slaughter and to meet specific market targets, the influence of age at time of castration (surgical or immunological) on body composition and boar taint indicators must be determined for male pigs. In all, 48 males were randomly assigned to one of four management regimens: (1) entire male pigs (EM), (2) EM surgically castrated at ~40 kg BW and 10 weeks of age (late castrates; LC), (3) conventional, early surgical castrates (within 4 days of birth; EC) and (4) EM immunized with a gonadotropin-releasing hormone (GnRH) analog (primary dose at 30 kg BW and 8 weeks of age; booster dose at 70 kg and 14 weeks of age; IM)...
August 14, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28803350/comparison-of-mitral-competence-after-mitral-repair-with-papillary-muscle-approximation-versus-papillary-muscle-relocation-for-functional-mitral-regurgitation
#15
Koji Furukawa, Mitsuhiro Yano, Eisaku Nakamura, Masakazu Matsuyama, Masanori Nishimura, Katsuya Kawagoe, Kunihide Nakamura
The purpose of this study was to evaluate the surgical results of papillary muscle approximation (PMA) and papillary muscle relocation (PMR) for functional mitral regurgitation (FMR) and to compare the effects of both procedures on the change in mitral regurgitation (MR) and echocardiogram parameters associated with tethering. Eighteen patients with moderate-to-severe FMR (MR grade ≥2) who underwent PMA or PMR were retrospectively analyzed. Underlying diseases were ischemic cardiomyopathy, idiopathic dilated cardiomyopathy, and aortic valve disease for seven, six, and five patients, respectively...
August 12, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28803246/biofunctional-ionic-doped-calcium-phosphates-silk-fibroin-composites-for-bone-tissue-engineering-scaffolding
#16
S Pina, R F Canadas, G Jiménez, M Perán, J A Marchal, R L Reis, J M Oliveira
The treatment and regeneration of bone defects caused by traumatism or diseases have not been completely addressed by current therapies. Lately, advanced tools and technologies have been successfully developed for bone tissue regeneration. Functional scaffolding materials such as biopolymers and bioresorbable fillers have gained particular attention, owing to their ability to promote cell adhesion, proliferation, and extracellular matrix production, which promote new bone growth. Here, we present novel biofunctional scaffolds for bone regeneration composed of silk fibroin (SF) and β-tricalcium phosphate (β-TCP) and incorporating Sr, Zn, and Mn, which were successfully developed using salt-leaching followed by a freeze-drying technique...
August 12, 2017: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/28803104/exploration-of-a-mechanism-for-the-production-of-highly-unsaturated-fatty-acids-in-scenedesmus-sp-at-low-temperature-grown-on-oil-crop-residue-based-medium
#17
Qian Lu, Jun Li, Jinghan Wang, Kun Li, Jingjing Li, Pei Han, Paul Chen, Wenguang Zhou
The ability of algae to produce lipids comprising of unsaturated fatty acids varies with strains and culture conditions. This study investigates the effect of temperature on the production of unsaturated fatty acids in Scenedesmus sp. grown on oil crop residue based medium. At low temperature (10°C), synthesis of lipids compromising of high contents of unsaturated fatty acids took place primarily in the early stage while protein accumulation mainly occurred in the late stage. This stepwise lipid-protein synthesis process was found to be associated with the contents of acetyl-CoA and α-KG in the algal cells...
August 4, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28803016/association-between-ambient-temperature-and-humidity-vaginal-temperature-and-automatic-activity-monitoring-on-induced-estrus-in-lactating-cows
#18
Liam B Polsky, Augusto M L Madureira, Eraldo L Drago Filho, Sergio Soriano, Alex F Sica, José L M Vasconcelos, Ronaldo L A Cerri
The objective of this study was to determine the association between ambient temperature and humidity, vaginal temperature, and automated activity monitoring in synchronized cows. Lactating Holstein cows (n = 641; 41.5 ± 9.4 kg of milk/d) were fitted with leg-mounted pedometers, resulting in 843 evaluated activity episodes of estrus. Vaginal temperature was monitored using thermometers attached to an intravaginal device as part of a timed artificial insemination (TAI) protocol; vaginal temperature was recorded every 10 min for 3 d...
August 9, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28802900/adolescent-chronic-variable-social-stress-influences-exploratory-behavior-and-nicotine-responses-in-male-but-not-female-balb-cj-mice
#19
M J Caruso, D E Reiss, J I Caulfield, J L Thomas, A N Baker, S A Cavigelli, H M Kamens
Anxiety disorders and nicotine use are significant contributors to global morbidity and mortality as independent and comorbid diseases. Early-life stress, potentially via stress-induced hypothalamic-pituitary-adrenal axis (HPA) dysregulation, can exacerbate both. However, little is known about the factors that predispose individuals to the development of both anxiety disorders and nicotine use. Here, we examined the relationship between anxiety-like behaviors and nicotine responses following adolescent stress...
August 9, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28802596/effects-of-differential-phase-remote-ischemic-preconditioning-intervention-in-laparoscopic-partial-nephrectomy-a-single-blinded-randomized-controlled-trial-in-a-parallel-group-design
#20
Yuan-Yuan Hou, Yun Li, Shu-Fang He, Jie Song, De-Xin Yu, Gordon T C Wong, Ye Zhang
STUDY OBJECTIVE: There are two windows of protection for remote ischemic preconditioning (RIPC), an early (ERIPC) and a late-phase (LRIPC). While ERIPC has been well studied, works on LRIPC are relatively scarce, especially for the kidneys. We aimed to compare the effects of early-phase versus late-phase RIPC in patients with laparoscopic partial nephrectomy (LPN). DESIGN: A randomized controlled study SETTING: The Second Affiliated Hospital of Anhui Medical University, 1 May 2012 to 30 October 2013 PATIENTS: Sixty-five ASA 1 to 2 patients scheduled for LPN were located randomly to ERIPC group, LRIPC group and CON group (control)...
September 2017: Journal of Clinical Anesthesia
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