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Physical activity and stress

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https://www.readbyqxmd.com/read/29776561/circulating-micrornas-as-emerging-cardiac-biomarkers-responsive-to-acute-exercise
#1
David de Gonzalo-Calvo, Alberto Dávalos, Manuel Fernández-Sanjurjo, Laura Amado-Rodríguez, Susana Díaz-Coto, Cristina Tomás-Zapico, Ana Montero, Ángela García-González, Vicenta Llorente-Cortés, Maria Eugenia Heras, Araceli Boraita Pérez, Ángel E Díaz-Martínez, Natalia Úbeda, Eduardo Iglesias-Gutiérrez
BACKGROUND: Circulating microRNAs (c-miRNAs) are mediators of intercellular communication with great potential as cardiac biomarkers. The analysis of c-miRNAs in response to physiological stress, such as exercise, would provide valuable information for clinical practice and a deeper understanding of the molecular response to physical activity. Here, we analysed for the first time the acute exercise response of c-miRNAs reported as biomarkers of cardiac disease in a well-characterized cohort of healthy active adults...
August 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29776106/local-yield-stress-statistics-in-model-amorphous-solids
#2
Armand Barbot, Matthias Lerbinger, Anier Hernandez-Garcia, Reinaldo García-García, Michael L Falk, Damien Vandembroucq, Sylvain Patinet
We develop and extend a method presented by Patinet, Vandembroucq, and Falk [Phys. Rev. Lett. 117, 045501 (2016)PRLTAO0031-900710.1103/PhysRevLett.117.045501] to compute the local yield stresses at the atomic scale in model two-dimensional Lennard-Jones glasses produced via differing quench protocols. This technique allows us to sample the plastic rearrangements in a nonperturbative manner for different loading directions on a well-controlled length scale. Plastic activity upon shearing correlates strongly with the locations of low yield stresses in the quenched states...
March 2018: Physical Review. E
https://www.readbyqxmd.com/read/29775962/preterm-birth-and-oxidative-stress-effects-of-acute-physical-exercise-and-hypoxia-physiological-responses
#3
Agnès Martin, Camille Faes, Tadej Debevec, Chantal Rytz, Grégoire Millet, Vincent Pialoux
Preterm birth is a global health issue that can induce lifelong medical sequela. Presently, at least one in ten newborns are born prematurely. At birth, preterm newborns exhibit higher levels of oxidative stress (OS) due to the inability to face the oxygen rich environment in which they are born into. Moreover, their immature respiratory, digestive, immune and antioxidant defense systems, as well as the potential numerous medical interventions following a preterm birth, such as oxygen resuscitation, nutrition, phototherapy and blood transfusion further contribute to high levels of OS...
May 1, 2018: Redox Biology
https://www.readbyqxmd.com/read/29774032/protein-o-glcnac-modification-increases-in-white-blood-cells-after-a-single-bout-of-physical-exercise
#4
Tamás Nagy, Emese Kátai, Viktória Fisi, Tamás Tibor Takács, Antal Stréda, István Wittmann, Attila Miseta
Background: Protein O-linked N -acetylglucosamine (O-GlcNAc) is a dynamic posttranslational modification influencing the function of many intracellular proteins. Recently it was revealed that O-GlcNAc regulation is modified under various stress states, including ischemia and oxidative stress. Aside from a few contradictory studies based on animal models, the effect of exercise on O-GlcNAc is unexplored. Purpose: To evaluate O-GlcNAc levels in white blood cells (WBC) of human volunteers following physical exercise...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29772763/levels-of-nature-and-stress-response
#5
Alan Ewert, Yun Chang
A growing number of studies have shown that visiting green spaces and being exposed to natural environments can reduce psychological stress. A number of questions concerning the effects of natural environments on levels of stress remain including, "Are activities engaged in natural environments more or less beneficial at reducing stress when compared to those done in more urban settings?" This study examined this question from the perspective of "levels of nature". That is, data on levels of stress were collected from three sites, one site having wilderness-like characteristics, a second site representing a municipal-type park, and a third site representing a built environment (indoor exercise facility) within a city...
May 17, 2018: Behavioral Sciences
https://www.readbyqxmd.com/read/29772309/attention-deficit-hyperactivity-disorder-and-obesity-a-review-and-model-of-current-hypotheses-explaining-their-comorbidity
#6
REVIEW
Tomasz Hanć, Samuele Cortese
Available meta-analyses point to a significant association between attention-deficit/hyperactivity disorder (ADHD) and obesity. The possible mechanisms underlying this relationship are unclear. Here, we overview the studies aimed at identifying the factors contributing to the comorbidity between ADHD and obesity, including genetic factors, fetal programming, executive dysfunctions, psychosocial stress, factors directly related to energy balance, and sleep patterns alterations. The bulk of current research has focused on reduced physical activity and abnormal eating patterns as possible causes of weight gain in individuals with ADHD...
May 14, 2018: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/29772237/lsinct5-activates-wnt-%C3%AE-catenin-signaling-by-interacting-with-ncym-to-promote-bladder-cancer-progression
#7
Xiaobo Zhu, Yuqiao Li, Shikai Zhao, Shouguo Zhao
Accumulating evidence has indicated that long non-coding RNAs (lncRNAs) are critically involved in tumor progression. In current study, we reported a novel lncRNA signature correlated with bladder cancer development. Particularly, the lncRNA long stress-induced noncoding transcript 5 (LSINCT5) is significantly upregulated in human bladder cancer cell lines and tumor specimens. Meanwhile, high LSINCT5 expression correlates with poor prognosis, enhances tumor sphere formation and invasion in vitro. In vivo xenograft tumor growth is also elevated by LSINCT5 overexpression...
May 14, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29769115/lifestyle-choices-and-mental-health-a-longitudinal-survey-with-german-and-chinese-students
#8
Julia Velten, Angela Bieda, Saskia Scholten, André Wannemüller, Jürgen Margraf
BACKGROUND: A healthy lifestyle can be beneficial for one's mental health. Thus, identifying healthy lifestyle choices that promote psychological well-being and reduce mental problems is useful to prevent mental disorders. The aim of this longitudinal study was to evaluate the predictive values of a broad range of lifestyle choices for positive mental health (PMH) and mental health problems (MHP) in German and Chinese students. METHOD: Data were assessed at baseline and at 1-year follow-up...
May 16, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29768159/-hypertrophic-cardiomyopathy-and-ischemic-heart-disease-the-problem-of-pathology-combination
#9
E A Kovalevskaya, N S Krylova, N G Poteshkina
Hypertrophic cardiomyopathy (HCM) is a disease with left ventricular hypertrophy caused by mutations in the genes of myocardial contractile proteins, whose frequency is about 0.5 %. Due to the high incidence of anginal pain and marked changes in ECG with HCM, the problem of diagnosing the combination of HCM and coronary artery disease (CAD) presents a rather difficult task for the clinician. The complexity of this diagnosis is due to the ability of standard methods of instrumental examination (ECG, a test with physical activity, stress tests in conjunction with visualization of the myocardium) to detect myocardial ischemia in both СAD and HCM...
2018: Kardiologiia
https://www.readbyqxmd.com/read/29766439/translation-and-cross-cultural-adaptation-of-eight-pediatric-promis%C3%A2-item-banks-into-spanish-and-german
#10
J Devine, F Klasen, J Moon, M Herdman, M P Hurtado, G Castillo, A C Haller, H Correia, C B Forrest, U Ravens-Sieberer
PURPOSE: The Patient-Reported Outcome Measurement Information System (PROMIS®) is a National Institutes of Health (NIH)-funded initiative to develop reliable, valid, and normed item banks to measure health. We describe the first large-scale translation and cross-cultural adaptation effort to German and Spanish of eight pediatric PROMIS item banks: Physical activity (PAC), subjective well-being (SWB), experiences of stress (EOS), and family relations (FAM). METHODS: We utilized methods outlined in the International Society for Pharmacoeconomics and Outcomes Research (ISPOR) PRO Translation Task Force recommendations...
May 15, 2018: Quality of Life Research
https://www.readbyqxmd.com/read/29765577/perception-of-family-caregivers-about-barriers-of-leisure-in-care-of-individuals-with-chronic-psychiatric-disorders-a-qualitative-study
#11
Batool Mandani, Seyed Ali Hosseini, Mohammad Ali Hosseini, Ashraf Karbalaie Noori, Mohammad Reza Khodaie Ardakani
Background: Family caregivers of individuals with chronic psychiatric disorders play an important role in the management of the patient's conditions, which interferes with other activities of daily living, work, social and leisure activities. Objective: This study was conducted in an Iranian context to explore the perception of family caregivers about barriers of leisure in care of individuals with chronic psychiatric disorders. Methods: The current qualitative study was conducted on the basis of conventional content analysis...
March 2018: Electronic Physician
https://www.readbyqxmd.com/read/29763998/media-technology-use-and-attitudes-associations-with-physical-and-mental-well-being-in-youth-with-implications-for-evidence-based-practice
#12
Nadine Zeeni, Rita Doumit, Joelle Abi Kharma, Maria-Jose Sanchez-Ruiz
BACKGROUND: Previous research has shown that the use of technology and media, in their different available forms, may have detrimental effects on the physical and mental well-being of adolescents and young adults. AIMS: The present study aimed to investigate the use of different types of technology and media, attitudes toward them, and how they relate to physical and mental well-being in Lebanese university students. METHODS: A descriptive, correlational, cross-sectional design was used...
May 15, 2018: Worldviews on Evidence-based Nursing
https://www.readbyqxmd.com/read/29763836/salicylic-acid-and-nitric-oxide-alleviate-high-temperature-induced-oxidative-damage-in-lablab-purpureus-l-plants-by-regulating-bio-physical-processes-and-dna-methylation
#13
Krishna Kumar Rai, Nagendra Rai, Shashi Pandey Rai
Salicylic acid (SA) and sodium nitroprusside (SNP, NO donor) modulates plant growth and development processes and recent findings have also revealed their involvement in the regulation of epigenetic factors under stress condition. In the present study, some of these factors were comparatively studied in hyacinth bean plants subjected to high temperature (HT) environment (40-42 °C) with and without exogenous application of SA and SNP under field condition. Exogenous application of SA and SNP substantially modulated the growth and biophysical process of hyacinth bean plants under HT environment...
April 26, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29759960/temporal-associations-between-social-activity-and-mood-fatigue-and-pain-in-older-adults-with-hiv-an-ecological-momentary-assessment-study
#14
Emily W Paolillo, Bin Tang, Colin A Depp, Alexandra S Rooney, Florin Vaida, Christopher N Kaufmann, Brent T Mausbach, David J Moore, Raeanne C Moore
BACKGROUND: Social isolation is associated with an increased risk for mental and physical health problems, especially among older persons living with HIV (PLWH). Thus, there is a need to better understand real-time temporal associations between social activity and mood- and health-related factors in this population to inform possible future interventions. OBJECTIVE: This study aims to examine real-time relationships between social activity and mood, fatigue, and pain in a sample of older PLWH...
May 14, 2018: JMIR Mental Health
https://www.readbyqxmd.com/read/29758117/associations-among-nursing-work-environment-and-health-promoting-behaviors-of-nurses-and-nursing-performance-quality-a-multilevel-modeling-approach
#15
Hyeonmi Cho, Kihye Han
PURPOSE: This study aimed to determine the relationships among the unit-level nursing work environment and individual-level health-promoting behaviors of hospital nurses in South Korea and their perceived nursing performance quality. METHODS: This study used a cross-sectional design. Data were collected using self-reported questionnaires from 432 nurses in 57 units at five hospitals in South Korea. Nursing performance quality, nursing work environment, and health-promoting behaviors were measured using the Six Dimension Scale of Nursing Performance, Practice Environment Scale of the Nursing Work Index, and Health Promoting Lifestyle Profile-II, respectively...
May 14, 2018: Journal of Nursing Scholarship
https://www.readbyqxmd.com/read/29756514/ilex-paraguariensis-extends-lifespan-and-increases-an-ability-to-resist-environmental-stresses-in-drosophila
#16
Prakshit Niraula, Saurav Ghimire, Hanna Lee, Man Su Kim
Aging is a complex process resulting in: i) a decline in body functions and capacity to withstand environmental stress and ii) an increased susceptibility to diseases including, but not limited to, cardiovascular disorders, diabetes, cancer and dementia. Among a number of herbal products used to alleviate symptoms associated with aging is Ilex paraguariensis (IP). This product has been reported to have anticancer, anti-inflammatory and antioxidant activities. However, its effect on an organisms' longevity has not been thoroughly studied to date...
May 14, 2018: Rejuvenation Research
https://www.readbyqxmd.com/read/29756097/evaluation-of-stressors-in-intensive-care-units
#17
Yücel Gültekin, Zerrin Özçelik, Seda Banu Akıncı, Halil Kaya Yorgancı
Objective: Physical and psychological stressors adversely affect the treatment and length of stay of patients in intensive care units. In this study, we aimed to describe environmental and psychological stressors affecting intensive care unit patients and to determine their priorities. Material and Methods: In this study, the 40-item Intensive Care Unit Environmental Stressor Scale was administered to patients in the General Surgery Intensive Care Unit and the Anesthesiology and Reanimation Intensive Care Unit...
2018: Turkish Journal of Surgery
https://www.readbyqxmd.com/read/29755928/the-effects-of-social-support-on-strenuous-physical-exercise
#18
Arran Davis, Emma Cohen
In humans, socio-environmental cues play an important role in determining adaptive psychophysiological states and behaviours. In sport and exercise, cues to cohesive groups and close, supportive relationships are ubiquitous, possibly because of their effects on neurobiological mechanisms underlying physical performance. Clinical research has shown that the presence of supportive others can lead to reductions in perceptions of pain, while research from sport and exercise science has shown that pain and physical fatigue occupy ranges on a single spectrum of physical discomfort, which works to regulate outputs during strenuous physical exertion...
2018: Adaptive Human Behavior and Physiology
https://www.readbyqxmd.com/read/29755610/the-living-conditions-of-children-with-shared-residence-the-swedish-example
#19
Emma Fransson, Sara Brolin Låftman, Viveca Östberg, Anders Hjern, Malin Bergström
Among children with separated parents, shared residence - i.e., joint physical custody where the child is sharing his or her time equally between two custodial parents' homes - is increasing in many Western countries and is particularly common in Sweden. The overall level of living among children in Sweden is high; however, the potential structural differences between children in various post-separation family arrangements have not been sufficiently studied. Potential risks for children with shared residence relate to the daily hassles and stress when having two homes...
2018: Child Indicators Research
https://www.readbyqxmd.com/read/29753413/development-of-a-step-down-method-for-altering-male-c57bl-6-mouse-housing-density-and-hierarchical-structure-preparations-for-spaceflight-studies
#20
David C Scofield, Jeffrey D Rytlewski, Paul Childress, Kishan Shah, Aamir Tucker, Faisal Khan, Jessica Peveler, Ding Li, Todd O McKinley, Tien-Min G Chu, Debra L Hickman, Melissa A Kacena
This study was initiated as a component of a larger undertaking designed to study bone healing in microgravity aboard the International Space Station (ISS). Spaceflight experimentation introduces multiple challenges not seen in ground studies, especially with regard to physical space, limited resources, and inability to easily reproduce results. Together, these can lead to diminished statistical power and increased risk of failure. It is because of the limited space, and need for improved statistical power by increasing sample size over historical numbers, NASA studies involving mice require housing mice at densities higher than recommended in the Guide for the Care and Use of Laboratory Animals (National Research Council, 2011)...
May 2018: Life Sciences in Space Research
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