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https://www.readbyqxmd.com/read/28549220/physiological-responses-during-intermittent-running-exercise-differ-between-outdoor-and-treadmill-running
#1
Marco Panascì, Romuald Lepers, Antonio La Torre, Matteo Bonato, Hervè Assadi
The aim of this study was to compare the physiological responses during 15 min of intermittent running consisting of 30 s high intensity running exercise at maximal aerobic velocity (MAV) interspersed with 30 s passive recovery (30-30) performed outdoor versus on a motorized treadmill. Fifteen collegiate physically active males (age: 22±1 years-old; body mass: 66±7 kg; stature: 176±06 cm, weekly training volume: 5±2 h·week<sup>-1</sup>), performed Fitness Intermittent test 45-15 in order to determine VO<sub>2max</sub> and Maximal Aerobic Velocity (MAV) and then completed in random order three different training sessions consisting of 30s run -30s rest outdoor on athletic track (30-30 Track) at MAV; 30s run -30s rest on treadmill (30-30 Treadmill) at MAV; 30s run -30s rest at MAV+15% (30-30+15% MAV Treadmill)...
May 26, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28539047/identifying-the-protein-interactions-of-the-cytosolic-iron-sulfur-cluster-targeting-complex-essential-for-its-assembly-and-recognition-of-apo-targets
#2
Amanda Thuy Van Vo, Nicholas M Fleischman, Mary J Froehlich, Claudia Y Lee, Jessica A Cosman, Calina A Glynn, Zanub O Hassan, Deborah L Perlstein
The cytosolic iron sulfur cluster assembly (CIA) system assembles iron sulfur (FeS) cluster cofactors and inserts them into >20 apo-protein targets residing in the cytosol and nucleus. Three CIA proteins, called Cia1, Cia2, and Met18 in yeast, form the targeting complex responsible for apo-target recognition. There is little information about the structure of this complex or its mechanism of CIA substrate recognition. Herein, we exploit affinity co-purification and size exclusion chromatography to determine the subunit connectivity and stoichiometry of the CIA targeting complex...
May 25, 2017: Biochemistry
https://www.readbyqxmd.com/read/28535663/up-regulation-of-rank-expression-via-erk1-2-by-insulin-contributes-to-the-enhancement-of-osteoclast-differentiation
#3
Ju Hee Oh, Na Kyung Lee
Despite the importance of the receptor activator of nuclear factor (NF)-kappaB ligand (RANKL)-RANK signaling mechanisms on osteoclast differentiation, little has been studied on how RANK expression is regulated or what regulates its expression during osteoclastogenesis. We show here that insulin signaling increases RANK expression, thus enhancing osteoclast differentiation by RANKL. Insulin stimulation induced RANK gene expression in time- and dose-dependent manners and insulin receptor shRNA completely abolished RANK expression induced by insulin in bone marrow-derived monocyte/ macrophage cells (BMMs)...
May 22, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28532645/identification-of-a-novel-psen1-mutation-leu232pro-in-a-korean-patient-with-early-onset-alzheimer-s-disease-and-a-family-history-of-dementia
#4
Jiyun Park, Seong Soo A An, Vo Van Giau, Kyuhwan Shim, Young Chul Youn, Eva Bagyinszky, SangYun Kim
In the present study, a novel mutation in exon 7 of presenilin 1 (Leu232Pro) was discovered in a Korean patient with early-onset Alzheimer's disease, who represented memory decline at 37 years of age, followed by impairment in spatial activity and concentrations and personality changes. Imaging analyses with magnetic resonance scan showed diffuse atrophy in the frontoparietal regions. Targeted next generation sequencing and Sanger sequencing identified a heterozygous T to C transition at position 695 (c.695T>C) of in presenilin 1 gene (PSEN1), resulting in a novel missense mutation at codon 232 from leucine to proline (L232P)...
April 26, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28530526/warfarin-management-and-outcomes-in-patients-with-nonvalvular-atrial-fibrillation-within-an-integrated-health-care-system
#5
JaeJin An, Fang Niu, Chengyi Zheng, Nazia Rashid, Robert A Mendes, Diana Dills, Lien Vo, Prianka Singh, Amanda Bruno, Daniel T Lang, Paul T Le, Kristin P Jazdzewski, Gustavus Aranda
BACKGROUND: Warfarin is a common treatment option to manage patients with nonvalvular atrial fibrillation (NVAF) in clinical practice. Understanding current pharmacist-led anticoagulation clinic management patterns and associated outcomes is important for quality improvement; however, currently little evidence associating outcomes with management patterns exists. OBJECTIVES: To (a) describe warfarin management patterns and (b) evaluate associations between warfarin treatment and clinical outcomes for patients with NVAF in an integrated health care system...
June 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28528164/mri-derived-myocardial-strain-measures-in-normal-subjects
#6
Ha Q Vo, Thomas H Marwick, Kazuaki Negishi
OBJECTIVES: The aim of this study was to perform a systematic review and meta-analysis to estimate the normal ranges of magnetic resonance imaging (MRI)-based feature tracking (FT) and to identify sources of variations. Similar analyses were also performed for strain encoding, displacement encoding with stimulated echoes, and myocardial tagging. BACKGROUND: MRI-FT is a novel technique for quantification of myocardial deformation using MRI cine images. However, the reported 95% confidence intervals (CIs) from the 2 largest studies have no overlaps...
May 11, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28523265/prevalence-and-associated-factors-of-erectile-dysfunction-among-married-men-in-vietnam
#7
Thang Van Vo, Hue Dinh Hoang, Nhan Phuc Thanh Nguyen
BACKGROUND: Sexuality is an essential part of life; however, erectile dysfunction (ED) has been one of the most common complaints among men with sexual health issues all over the world. ED includes dysfunction in erection and penile erectile pain. In Vietnam, ED is a subject a not readily discussed. Thus, relatively little is known about ED among Vietnamese men. AIMS: To identify the prevalence of ED and its associated variables and the need for treatment of ED among married men in Vietnam...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28513678/mechanochemically-induced-sulfur-doping-in-zno-via-oxygen-vacancy-formation
#8
Y Daiko, J Schmidt, G Kawamura, S Romeis, D Segets, Y Iwamoto, W Peukert
Surface defects of ZnO nanoparticles were induced via mechanical stressing using a Turbula shaker mixer and a planetary ball mill, and the possibilities for surface modification and functionalization of the ZnO nanoparticles were exemplified by sulfur doping of activated ZnO. Raman spectroscopy reveals that the formation of oxygen vacancies (VO) does not only occur under high stressing conditions in a planetary ball mill but even upon rather 'mild stressing' in the shaker mixer. The temporal evolution of the vacancy concentration in ZnO stressed under different conditions can be described by a model that accounts for stress number and vacancy diffusion with diffusion coefficients of VO of 3...
May 17, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28512265/chaetocin-enhances-dendritic-cell-function-via-the-induction-of-heat-shock-protein-and-cancer-testis-antigens-in-myeloma-cells
#9
Manh-Cuong Vo, Thanh-Nhan Nguyen-Pham, Hyun-Ju Lee, Sung-Hoon Jung, Nu-Ri Choi, My-Dung Hoang, Hyeoung-Joon Kim, Je-Jung Lee
Dendritic cells (DC)-based vaccines are considered useful in cancer immuno-therapy, and the interactions of DC and dying tumor cells are important and promising for cancer immunotherapy. We investigated whether chaetocin could be used to induce death of myeloma cells, for loading onto DCs can affect DCs function. In this study, we show that the dying myeloma cells treated with chaetocin resulted in the induction of heat shock protein (HSP) 90, which was inhibited by antioxidant N-acetyl cysteine, and showed an increase in the expression of MAGE-A3 and MAGE-C1/CT7...
April 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28511305/-value-of-heart-rate-as-an-optimum-index-in-evaluating-physical-labor-intensity
#10
J Wang, L Cai, X W Chen, G H An, H X Shen, Q Ma
Objective: To investigate the possibility of heart rate as an optimum index for evaluating physical labor intensity. Methods: From September to October, 2015, a total of 111 male young adults were selected as study subjects. A cycle ergometer was used for exercise at different intensities (20, 40, 60, 80, 100, 120, 140, 160, and 180 W) , and the exercise at each intensity lasted for 6 minutes. The subjects wore the K4b2 portable cardiopulmonary function testing instrument for the real-time monitoring of heart rate (HR) , pulmonary ventilation volume (Ve) , oxygen consumption (VO(2)) , and energy metabolic rate (E) ...
March 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28511020/acute-high-intensity-interval-running-increases-markers-of-gastrointestinal-damage-and-permeability-but-not-gastrointestinal-symptoms
#11
Jamie N Pugh, Samuel G Impey, Dominic A Doran, Simon C Fleming, James P Morton, Graeme L Close
Purpose To investigate the effects of high-intensity interval (HIIT) running on markers of gastrointestinal (GI) damage and permeability alongside subjective symptoms of GI discomfort. Methods Eleven male runners completed an acute bout of HIIT (eighteen 400 m runs at 120% VO<sub>2max</sub> ) where markers of GI permeability, intestinal damage and GI discomfort symptoms were assessed and compared with resting conditions. Results Compared to rest, HIIT significantly increased serum lactulose:rhamnose ratio (0...
May 16, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28507138/stem-cell-migration-and-mechanotransduction-on-linear-stiffness-gradient-hydrogels
#12
William J Hadden, Jennifer L Young, Andrew W Holle, Meg L McFetridge, Du Yong Kim, Philip Wijesinghe, Hermes Taylor-Weiner, Jessica H Wen, Andrew R Lee, Karen Bieback, Ba-Ngu Vo, David D Sampson, Brendan F Kennedy, Joachim P Spatz, Adam J Engler, Yu Suk Choi
The spatial presentation of mechanical information is a key parameter for cell behavior. We have developed a method of polymerization control in which the differential diffusion distance of unreacted cross-linker and monomer into a prepolymerized hydrogel sink results in a tunable stiffness gradient at the cell-matrix interface. This simple, low-cost, robust method was used to produce polyacrylamide hydrogels with stiffness gradients of 0.5, 1.7, 2.9, 4.5, 6.8, and 8.2 kPa/mm, spanning the in vivo physiological and pathological mechanical landscape...
May 15, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28500875/upper-airway-changes-after-mandibular-setback-and-or-advancement-genioplasty-in-obese-patients
#13
Wen Du, Dongming He, Yiyao Wang, Hanghang Liu, Chuhang Liao, Wei Fei, En Luo
PURPOSE: Orthognathic surgeries, such as bilateral sagittal split ramus osteotomy (BSSO) and genioplasty, can influence the pharyngeal airway space (PAS) and this has been supported by previous studies. The purpose of this study was to assess changes of the PAS in patients with a high body mass index (BMI) likely to have narrow airways before and after setback BSSO with or without advancement genioplasty surgery by 3-dimensional computed tomography. MATERIALS AND METHODS: Thirty-five adults with a BMI of at least 24...
April 19, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28499214/speciation-of-potential-anti-diabetic-vanadium-complexes-in-real-serum-samples
#14
Daniele Sanna, Valeria Ugone, Maria Serra, Eugenio Garribba
In this work the speciation in real serum samples of five V(IV)O complexes with potential application in the therapy of diabetes was studied through EPR spectroscopy as a function of V concentration (45.4, 90.9 and 454.5μM) and time (0-180min). [VO(dhp)2], [VO(ma)2], [VO(acac)2], [VO(pic)2(H2O)], and [VO(mepic)2], where Hdhp indicates 1,2-dimethyl-3-hydroxy-4(1H)-pyridinone, Hma maltol, Hacac acetylacetone, Hpic picolinic acid, and Hmepic 6-methylpicolinic acid, were examined. The distribution of V(IV)O(2+) among the serum bioligands was calculated from the thermodynamic stability constants in the literature and compared with the experimental results...
April 25, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28497035/postpartum-depressive-symptoms-and-associated-factors-in-married-women-a-cross-sectional-study-in-danang-city-vietnam
#15
Thang Van Vo, Thi Kim Duong Hoa, Tuyen Dinh Hoang
INTRODUCTION: Postpartum depression (PPD) among women is a common mental health concern. It occurs at a time of major life change, coupled with the increased responsibilities associated with the care of a newborn infant. In Vietnam, the prevalence of depressive symptoms after giving birth has not been fully investigated. Research in the Northern provinces, in Ho Chi Minh City, and in Hue suggests postnatal depressive symptoms among women are common. This research aims to (1) estimate the prevalence of PPD symptoms among married women in one Vietnam city (Danang) and (2) identify the social and personal factors associated with postpartum depressive symptoms...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28487514/girk2-splice-variants-and-neuronal-g-protein-gated-k-channels-implications-for-channel-function-and-behavior
#16
Ezequiel Marron Fernandez de Velasco, Lei Zhang, Baovi N Vo, Megan Tipps, Shannon Farris, Zhilian Xia, Allison Anderson, Nicholas Carlblom, C David Weaver, Serena M Dudek, Kevin Wickman
Many neurotransmitters directly inhibit neurons by activating G protein-gated inwardly rectifying K(+) (GIRK) channels, thereby moderating the influence of excitatory input on neuronal excitability. While most neuronal GIRK channels are formed by GIRK1 and GIRK2 subunits, distinct GIRK2 isoforms generated by alternative splicing have been identified. Here, we compared the trafficking and function of two isoforms (GIRK2a and GIRK2c) expressed individually in hippocampal pyramidal neurons lacking GIRK2. GIRK2a and GIRK2c supported comparable somato-dendritic GIRK currents in Girk2 (-/-) pyramidal neurons, although GIRK2c achieved a more uniform subcellular distribution in pyramidal neurons and supported inhibitory postsynaptic currents in distal dendrites better than GIRK2a...
May 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28487066/genotoxicity-acute-and-subchronic-toxicity-evaluation-of-savory-food-ingredients
#17
Shahrzad Tafazoli, Trung D Vo, Anne Petersen, Anne Constable, Myriam Coulet, Phoukham Phothirath, Johanna Lang, Nigel Baldwin
The potential toxicity of two savory food ingredients produced by fermentation of enzymatically hydrolyzed corn starch (Savory Base 100 and Savory Base 200) was evaluated individually in a bacterial reverse mutation assay, an in vitro mammalian cell gene mutation assay, an acute oral study and as a mixture in a 90-day dietary study. In the bacterial reverse mutation and in vitro mammalian cell gene mutation assays, neither ingredient was mutagenic at concentrations up to 5000 μg/plate and 5000 μg/mL, respectively in the presence and absence of metabolic activation...
May 6, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28481224/intermittent-glucocorticoid-steroid-dosing-enhances-muscle-repair-without-eliciting-muscle-atrophy
#18
Mattia Quattrocelli, David Y Barefield, James L Warner, Andy H Vo, Michele Hadhazy, Judy U Earley, Alexis R Demonbreun, Elizabeth M McNally
Glucocorticoid steroids such as prednisone are prescribed for chronic muscle conditions such as Duchenne muscular dystrophy, where their use is associated with prolonged ambulation. The positive effects of chronic steroid treatment in muscular dystrophy are paradoxical because these steroids are also known to trigger muscle atrophy. Chronic steroid use usually involves once-daily dosing, although weekly dosing in children has been suggested for its reduced side effects on behavior. In this work, we tested steroid dosing in mice and found that a single pulse of glucocorticoid steroids improved sarcolemmal repair through increased expression of annexins A1 and A6, which mediate myofiber repair...
May 8, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28471275/trait-mindfulness-and-progression-to-injection-use-in-youth-with-opioid-addiction
#19
J Deanna Wilson, Hoa Vo, Pamela Matson, Hoover Adger, Gabriela Barnett, Marc Fishman
BACKGROUND: Many youth initiate opioid misuse with prescription opioids and transition over time to more severe substance-using behaviors, including injection. Trait mindfulness is a potentially protective factor. OBJECTIVES: This is a cross-sectional study characterizing a sample of opioid-using youth by level of mindfulness and examines the potential effect modification of emotion regulation on the relationship between mindfulness and progression to injection opioid use...
May 4, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28470132/value-based-hr-practices-i-deals-and-clinical-error-control-with-csr-as-a-moderator
#20
Tuan Luu, Chris Rowley, Sununta Siengthai, Vo Thanh Thao
Purpose Notwithstanding the rising magnitude of system factors in patient safety improvement, "human factors" such as idiosyncratic deals (i-deals) which also contribute to the adjustment of system deficiencies should not be neglected. The purpose of this paper is to investigate the role of value-based HR practices in catalyzing i-deals, which then influence clinical error control. The research further examines the moderating role of corporate social responsibility (CSR) on the effect of value-based HR practices on i-deals...
May 8, 2017: International Journal of Health Care Quality Assurance
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