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https://www.readbyqxmd.com/read/27920787/interactive-effects-of-elevated-co2-and-water-stress-on-physiological-traits-and-gene-expression-during-vegetative-growth-in-four-durum-wheat-genotypes
#1
Susan Medina, Rubén Vicente, Amaya Amador, José Luis Araus
The interaction of elevated [CO2] and water stress will have an effect on the adaptation of durum wheat to future climate scenarios. For the Mediterranean basin these scenarios include the rising occurrence of water stress during the first part of the crop cycle. In this study, we evaluated the interactive effects of elevated [CO2] and moderate to severe water stress during the first part of the growth cycle on physiological traits and gene expression in four modern durum wheat genotypes. Physiological data showed that elevated [CO2] promoted plant growth but reduced N content...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27920091/interferon-gamma-limits-diabetogenic-cd8-t-cell-effector-responses-in-type-1-diabetes
#2
John P Driver, Jeremy J Racine, Cheng Ye, Deanna J Lamont, Brittney N Newby, Caroline G McPhee-Leeth, Harold D Chapman, Todd M Brusko, Yi-Guang Chen, Clayton E Mathews, David V Serreze
Type 1 diabetes development in the NOD mouse model is widely reported to be dependent on high-level production by autoreactive CD4(+) and CD8(+) T-cells of IFNγ, generally considered a pro-inflammatory cytokine. However, IFNγ can also participate in tolerance induction pathways, indicating it is not solely pro-inflammatory. This study addresses how IFNγ can suppress activation of diabetogenic CD8(+) T-cells. CD8(+) T-cells transgenically expressing the diabetogenic AI4 T-cell receptor (TCR) adoptively transferred disease to otherwise unmanipulated NOD...
December 5, 2016: Diabetes
https://www.readbyqxmd.com/read/27919494/physical-activity-in-pediatric-onset-multiple-sclerosis-validating-a-questionnaire-for-clinical-practice-and-research
#3
Dominique Kinnett-Hopkins, Stephanie A Grover, E Ann Yeh, Robert W Motl
BACKGROUND: Knowledge regarding physical activity (PA) and its benefits in pediatric onset multiple sclerosis (POMS) is growing and suggests high levels of inactivity. The utility of a validated screening tool for clinical settings is unknown. This study evaluated the Godin Leisure-Time Exercise Questionnaire (GLTEQ) as a measure of PA in POMS. METHODS: POMS patients (n=27) and healthy controls (n=45) wore an accelerometer over a 7-day period and then completed the GLTEQ...
November 2016: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/27918968/treatment-dropout-in-web-based-cognitive-behavioral-therapy-for-patients-with-eating-disorders
#4
Elke D Ter Huurne, Marloes G Postel, Hein A de Haan, Job van der Palen, Cor A J DeJong
Treatment dropout is an important concern in eating disorder treatments as it has negative implications for patients' outcome, clinicians' motivation, and research studies. Our main objective was to conduct an exploratory study on treatment dropout in a two-part web-based cognitive behavioral therapy with asynchronous therapeutic support. The analysis included 205 female patients with eating disorders. Reasons for dropout, treatment experiences, and predictors of dropout were analyzed. Overall treatment dropout was 37...
November 27, 2016: Psychiatry Research
https://www.readbyqxmd.com/read/27918703/patterns-and-predictors-of-change-in-moderate-to-vigorous-physical-activity-over-time-in-multiple-sclerosis
#5
Rachel E Klaren, Jeffer E Sasaki, Edward McAuley, Robert W Motl
BACKGROUND: Physical inactivity is common in persons with multiple sclerosis (MS), but there is very little known about the pattern and predictors of changes in physical activity over time. PURPOSE: This study examined changes in moderate-to-vigorous physical activity (MVPA) over a 30-month time period and the demographic and clinical predictors of such changes in relapsing-remitting MS (RRMS). METHODS: 269 persons with MS wore an accelerometer for a 7-day period and completed a demographic/clinical scale every 6 months over a 30-month period...
December 5, 2016: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/27918695/sedentary-time-physical-activity-and-executive-function-in-a-longitudinal-study-of-youth
#6
Erick E Wickel
BACKGROUND: This study examined associations between sedentary time, physical activity (PA), and executive function among youth participating in the Study of Early Child Care and Youth Development. METHODS: >: Sedentary time and PA (light, moderate, vigorous, and moderate-to-vigorous (MVPA)) were objectively assessed at 9 and 15 yrs, while executive function (inhibition, working memory, and fluid intelligence) were assessed at 15 yrs. Regression models were used to examine associations...
December 5, 2016: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/27918688/racial-ethnic-and-income-differences-in-obesity-among-older-adults-the-role-of-leisure-time-physical-activity-and-neighborhood-social-cohesion
#7
Chia-Yuan Yu
BACKGROUND: Few studies have examined the associations among social cohesion, physical activity, and obesity in older adults. This study explored the influences of social cohesion and leisure-time physical activity on obesity in older adults, and tested whether these relationships varied by race/ethnicity and income level. METHODS: A cross-sectional analysis of adults in the 2013 National Health Interview Study (NHIS) who were over 65 years of age (N=7714) was used...
December 5, 2016: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/27917017/determination-of-coefficient-defining-leaf-area-development-in-different-genotypes-plant-types-and-planting-densities-in-peanut-arachis-hypogeae-l
#8
Oumarou Halilou, Halime Mahamat Hissene, José A Clavijo Michelangeli, Falalou Hamidou, Thomas R Sinclair, Afshin Soltani, Saadou Mahamane, Vincent Vadez
Rapid leaf area development may be attractive under a number of cropping conditions to enhance the vigor of crop establishment and allow rapid canopy closure for maximizing light interception and shading of weed competitors. This study was undertaken to determine (1) if parameters describing leaf area development varied among ten peanut (Arachis hypogeae L.) genotypes grown in field and pot experiments, (2) if these parameters were affected by the planting density, and (3) if these parameters varied between Spanish and Virginia genotypes...
December 2016: Field Crops Research
https://www.readbyqxmd.com/read/27916155/physical-activity-and-risk-of-colon-cancer-in-diabetic-and-nondiabetic-us-adults
#9
Daniela Schmid, Gundula Behrens, Charles E Matthews, Michael F Leitzmann
OBJECTIVE: To determine whether moderate to vigorous physical activity is associated with a decreased risk of colon cancer in diabetic patients. PATIENTS AND METHODS: We evaluated the association between physical activity and colon cancer in 25,753 patients with a self-reported history of diabetes and in 274,965 nondiabetic individuals from the National Institutes of Health-AARP Diet and Health Study who were aged 50 to 71 years in 1995-1996. Moderate to vigorous physical activity was assessed at baseline using a self-administered questionnaire...
December 2016: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/27914545/potential-mode-of-action-of-a-novel-plumbagin-as-a-mosquito-repellent-against-the-malarial-vector-anopheles-stephensi-culicidae-diptera
#10
Venkatraman Pradeepa, Sengottayan Senthil-Nathan, Subbiah Sathish-Narayanan, Selvaraj Selin-Rani, Prabhakaran Vasantha-Srinivasan, Annamalai Thanigaivel, Athirstam Ponsankar, Edward-Sam Edwin, Muthiah Sakthi-Bagavathy, Kandaswamy Kalaivani, Kadarkarai Murugan, Veeramuthu Duraipandiyan, Naif Abdullah Al-Dhabi
Plumbagin was isolated and characterized from the roots of Plumbago zeylanica using chromatography: TLC, Column chromatogram, HPLC, FTIR and (1)H NMR. The isolated pure compounds were assayed for potency as inhibitors of: acetylcholine esterase (AchE), glutathione S-transferases (GST), superoxide dismutase (SOD), cytochrome P450 and α, β-esterase, and for repellency with Anopheles stephensi at four different concentrations (25, 50, 75 and 100ppm). The enzyme assay against the pure compound reveals that the level of esterase and SOD was decreased significantly in contrast the level of GST and cytochrome P450 was increased significantly...
November 2016: Pesticide Biochemistry and Physiology
https://www.readbyqxmd.com/read/27914468/intra-individual-variability-in-day-to-day-and-month-to-month-measurements-of-physical-activity-and-sedentary-behaviour-at-work-and-in-leisure-time-among-danish-adults
#11
E S L Pedersen, I H Danquah, C B Petersen, J S Tolstrup
BACKGROUND: Accelerometers can obtain precise measurements of movements during the day. However, the individual activity pattern varies from day-to-day and there is limited evidence on measurement days needed to obtain sufficient reliability. The aim of this study was to examine variability in accelerometer derived data on sedentary behaviour and physical activity at work and in leisure-time during week days among Danish office employees. METHODS: We included control participants (n = 135) from the Take a Stand! Intervention; a cluster randomized controlled trial conducted in 19 offices...
December 3, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27914311/stepwatch-accuracy-during-walking-running-and-intermittent-activities
#12
Lindsay P Toth, David R Bassett, Scott E Crouter, Brittany S Overstreet, Samuel R LaMunion, Susan Park, Shahnawaz N Notta, Cary M Springer
INTRODUCTION: The purpose of this study was two-fold: 1) to investigate effects of cadence and sensitivity settings for the StepWatch (SW3) on step count accuracy over a wide range of ambulatory speeds, and 2) to compare the preprogrammed "quick start" settings to modified settings during intermittent lifestyle activities. METHODS: Part 1: Fifteen participants (18-57 years of age) performed two trials of treadmill walking and running at ten speeds ranging from 26...
November 21, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27912742/secular-trends-and-correlates-of-physical-activity-the-troms%C3%A3-study-1979-2008
#13
Bente Morseth, Bjarne K Jacobsen, Nina Emaus, Tom Wilsgaard, Lone Jørgensen
BACKGROUND: The aim was to describe secular trends in leisure time physical activity (LTPA) and work related physical activity (WPA) from 1979 to 2008. Additionally, we explored potential cross-sectional and longitudinal correlates of LTPA and WPA. METHODS: Data are collected from 34,898 individuals (49.7% men) aged >20 years who participated in at least one Tromsø Study survey between 1979 and 2008. In each survey, the participants completed a self-administered questionnaire and underwent physical examinations...
December 3, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27912733/the-effect-of-percutaneous-coronary-intervention-on-habitual-physical-activity-in-older-patients
#14
Sarah J Charman, Vincent T van Hees, Louise Quinn, Joseph R Dunford, Bilal Bawamia, Murugapathy Veerasamy, Michael I Trenell, Djordje G Jakovljevic, Vijay Kunadian
BACKGROUND: Given the ongoing burden of cardiovascular disease and an ageing population, physical activity in patients with coronary artery disease needs to be emphasized. This study assessed whether sedentary behaviour and physical activity levels differed among older patients (≥75 years) following percutaneous coronary intervention (PCI) for acute coronary syndrome (ACS) consisting of ST-segment elevation myocardial infarction (STEMI) and non STEMI (NSTEMI) versus an elective admission control group of stable angina patients...
December 3, 2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27911283/association-between-physical-activity-and-pain-processing-in-adults-with-chronic-low-back-pain-compared-to-pain-free-controls
#15
Lindsay C Orr, Steven Z George, Corey B Simon
BACKGROUND: Pain sensitivity has been negatively associated with physical activity levels. Few studies have examined associations between experimentally induced pain sensitivity and physical activity in adults with chronic low back pain and pain-free controls. OBJECTIVE: The objective of this study was to examine associations between physical activity levels and how an individual processes pain using experimentally induced pain stimuli. METHODS: Seventy subjects (CLBP = 49; mean age = 46...
November 25, 2016: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/27908560/physical-activity-and-sedentary-time-in-relation-to-academic-achievement-in-children
#16
Eero A Haapala, Juuso Väistö, Niina Lintu, Kate Westgate, Ulf Ekelund, Anna-Maija Poikkeus, Soren Brage, Timo A Lakka
OBJECTIVES: To investigate the independent and combined associations of objectively measured moderate-to-vigorous physical activity (MVPA) and sedentary time (ST) with reading and arithmetic skills. DESIGN: Cross-sectional/prospective. METHODS: Participants were 89 boys and 69 girls aged 6-8 years. MVPA and ST were measured using a combined heart rate and movement sensor and body fat percentage by dual-energy X-ray absorptiometry in Grade 1...
November 23, 2016: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/27905931/a-temporal-assessment-of-nematode-community-structure-and-diversity-in-the-rhizosphere-of-cisgenic-phytophthora-infestans-resistant-potatoes
#17
Vilma Ortiz, Sinead Phelan, Ewen Mullins
BACKGROUND: Nematodes play a key role in soil processes with alterations in the nematode community structure having the potential to considerably influence ecosystem functioning. As a result fluctuations in nematode diversity and/or community structure can be gauged as a 'barometer' of a soil's functional biodiversity. However, a deficit exists in regards to baseline knowledge and on the impact of specific GM crops on soil nematode populations and in particular in regard to the impact of GM potatoes on the diversity of nematode populations in the rhizosphere...
December 1, 2016: BMC Ecology
https://www.readbyqxmd.com/read/27904925/breaking-sitting-with-light-activities-vs-structured-exercise-a-randomised-crossover-study-demonstrating-benefits-for-glycaemic-control-and-insulin-sensitivity-in-type-2-diabetes
#18
Bernard M F M Duvivier, Nicolaas C Schaper, Matthijs K C Hesselink, Linh van Kan, Nathalie Stienen, Bjorn Winkens, Annemarie Koster, Hans H C M Savelberg
AIMS/HYPOTHESIS: We aimed to examine the effects of breaking sitting with standing and light-intensity walking vs an energy-matched bout of structured exercise on 24 h glucose levels and insulin resistance in patients with type 2 diabetes. METHODS: In a randomised crossover study, 19 patients with type 2 diabetes (13 men/6 women, 63 ± 9 years old) who were not using insulin each followed three regimens under free-living conditions, each lasting 4 days: (1) Sitting: 4415 steps/day with 14 h sitting/day; (2) Exercise: 4823 steps/day with 1...
December 1, 2016: Diabetologia
https://www.readbyqxmd.com/read/27903350/-effect-of-lumbar-dorsal-muscle-injuries-on-lumbar-vertebral-bone-quality-of-rat
#19
X P Wang, S J Wang, P Yan, L L Zhu, M Q Li, Z Y Bian, J W Tian
Objective: To explored the effects of lumbar dorsal muscle damage on local lumbar vertebral bone quality. Methods: Thirty SD female rats, at age of 20 weeks, were randomly divided into three groups: control group, or say pseudo surgery group, an incision in the back were performed as CNT; bilateral erector spinal muscle group in which group bilateral lumbar erector spinal muscle were removed as RESM; castration group in which bilateral ovaries were resected as OVX.After three months, bone mineral density, microscopic CT and vertebral compression test were taken in lumbar vertebral (L4-6) in turn...
November 22, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27903049/associations-between-time-spent-in-green-areas-and-physical-activity-among-late-middle-aged-adults
#20
Bart Dewulf, Tijs Neutens, Delfien Van Dyck, Ilse De Bourdeaudhuij, Steven Broekx, Carolien Beckx, Nico Van de Weghe
Physical activity is an important facilitator for health and wellbeing, especially for late middle-aged adults, who are more susceptible to cardiovascular diseases. Physical activity performed in green areas is supposed to be particularly beneficial, so we studied whether late middle- aged adults are more active in green areas than in non-green areas and how this is influenced by individual characteristics and the level of neighbourhood greenness. We tracked 180 late middle-aged (58 to 65 years) adults using global positioning system and accelerometer data to know whether and where they were sedentary or active...
November 16, 2016: Geospatial Health
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