keyword
MENU ▼
Read by QxMD icon Read
search

T-cell and exercise

keyword
https://www.readbyqxmd.com/read/29146301/association-of-sputum-and-blood-eosinophil-concentrations-with-clinical-measures-of-copd-severity-an-analysis-of-the-spiromics-cohort
#1
Annette T Hastie, Fernando J Martinez, Jeffrey L Curtis, Claire M Doerschuk, Nadia N Hansel, Stephanie Christenson, Nirupama Putcha, Victor E Ortega, Xingnan Li, R Graham Barr, Elizabeth E Carretta, David J Couper, Christopher B Cooper, Eric A Hoffman, Richard E Kanner, Eric Kleerup, Wanda K O'Neal, Richard Paine, Stephen P Peters, Neil E Alexis, Prescott G Woodruff, MeiLan K Han, Deborah A Meyers, Eugene R Bleecker
BACKGROUND: Increased concentrations of eosinophils in blood and sputum in chronic obstructive pulmonary disease (COPD) have been associated with increased frequency of exacerbations, reduced lung function, and corticosteroid responsiveness. We aimed to assess whether high eosinophil concentrations in either sputum or blood are associated with a severe COPD phenotype, including greater exacerbation frequency, and whether blood eosinophils are predictive of sputum eosinophils. METHODS: We did a multicentre observational study analysing comprehensive baseline data from SPIROMICS in patients with COPD aged 40-80 years who had a smoking history of at least 20 pack-years, recruited from six clinical sites and additional subsites in the USA between Nov 12, 2010, and April 21, 2015...
November 13, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29142617/acute-strenuous-exercise-induces-an-imbalance-on-histone-h4-acetylation-histone-deacetylase-2-and-increases-the-proinflammatory-profile-of-pbmc-of-obese-individuals
#2
Gilson P Dorneles, Maria Carolina R Boeira, Lucas L Schipper, Ivy R V Silva, Viviane R Elsner, Pedro Dal Lago, Alessandra Peres, Pedro R T Romão
This study evaluated the response of global histone H4 acetylation (H4ac), histone deacetylase 2 (HDAC2) activity, as well as the production of proinflammatory cytokines and monocyte phenotypes of lean and obese males after exercise. Ten lean and ten obese sedentary men were submitted to one session of strenuous exercise, and peripheral blood mononuclear cells (PBMC) were stimulated in vitro with lipopolysaccharide (LPS). Global H4ac levels, HDAC2 activity in PBMC, and IL-6, IL-8, and TNF-α production were analyzed...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29141882/transparent-anemone-shrimp-ancylomenes-pedersoni-become-opaque-after-exercise-and-physiological-stress-in-correlation-with-increased-hemolymph-perfusion
#3
Laura E Bagge, Stephen T Kinsey, Justin Gladman, Sönke Johnsen
Whole-body transparency, an effective camouflage strategy in many aquatic species, can be disrupted by environmental and/or physiological stressors. We found that tail-flip escape responses temporarily disrupt the transparency of the anemone shrimp Ancylomenes pedersoni After as few as three tail flips, the previously transparent abdominal muscle became cloudy. Eliciting additional tail flips to the point of exhaustion (16±1 s.e.m.; n=23) resulted in complete opacity, though the original transparency returned after 20-60 min of inactivity...
November 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29134614/acute-exercise-during-hemodialysis-prevents-the-decrease-in-natural-killer-cells-in-patients-with-chronic-kidney-disease-a-pilot-study
#4
Maria Isabel Fuhro, Gilson P Dorneles, Francini P Andrade, Pedro R T Romão, Alessandra Peres, Mariane B Monteiro
PURPOSE: To evaluate the acute response of natural killer (NK) cell subsets of chronic kidney disease patients submitted to intradialytic exercise in a randomized crossover study. METHODS: Nine patients were submitted to a single bout of 20-min intradialytic exercise and a control hemodialysis (HD) session with an interval of 7 days between them. Peripheral blood sample was collected at baseline, during HD and immediately after HD in each trial to evaluate the peripheral frequency of NK cells and their subsets (CD3-CD56(bright) and CD3-CD56(dim)), systemic cortisol concentrations, C-reactive protein (CRP), creatine kinase activity (CK), and urea and creatinine levels...
November 13, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29133342/exercise-training-protects-human-and-rodent-%C3%AE-cells-against-endoplasmic-reticulum-stress-and-apoptosis
#5
Flavia M M Paula, Nayara C Leite, Patricia C Borck, Ricardo Freitas-Dias, Miriam Cnop, Mara P T Chacon-Mikahil, Claudia R Cavaglieri, Piero Marchetti, Antonio C Boschero, Claudio C Zoppi, Decio L Eizirik
Prolonged exercise has positive metabolic effects in obese or diabetic individuals. These effects are usually ascribed to improvements in insulin sensitivity. We evaluated whether exercise also generates circulating signals that protect human and rodent β cells against endoplasmic reticulum (ER) stress and apoptosis. For this purpose, we obtained serum from humans or mice before and after an 8 wk training period. Exposure of human islets or mouse or rat β cells to human or rodent sera, respectively, obtained from trained individuals reduced cytokine (IL-1β+IFN-γ)- or chemical ER stressor-induced β-cell ER stress and apoptosis, at least in part via activation of the transcription factor STAT3...
November 13, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29122952/organ-level-validation-of-a-cross-bridge-cycling-descriptor-in-a-left-ventricular-finite-element-model-effects-of-ventricular-loading-on-myocardial-strains
#6
Sheikh Mohammad Shavik, Samuel T Wall, Joakim Sundnes, Daniel Burkhoff, Lik Chuan Lee
Although detailed cell-based descriptors of cross-bridge cycling have been applied in finite element (FE) heart models to describe ventricular mechanics, these multiscale models have never been tested rigorously to determine if these descriptors, when scaled up to the organ-level, are able to reproduce well-established organ-level physiological behaviors. To address this void, we here validate a left ventricular (LV) FE model that is driven by a cell-based cross-bridge cycling descriptor against key organ-level heart physiology...
November 2017: Physiological Reports
https://www.readbyqxmd.com/read/29108826/physical-activity-and-autoimmune-diseases-get-moving-and-manage-the-disease
#7
REVIEW
Kassem Sharif, Abdulla Watad, Nicola Luigi Bragazzi, Micheal Lichtbroun, Howard Amital, Yehuda Shoenfeld
Physical activity, by definition, is any skeletal muscle body movement that results in energy expenditure. In the last few decades, a plethora of scientific evidences have accumulated and confirmed the beneficial role of physical activity as a modifiable risk factor for a wide variety of chronic diseases including cardiovascular diseases (CVDs), diabetes mellitus and cancer, among others. Autoimmune diseases are a heterogeneous group of chronic diseases, which occur secondary to loss of self-antigen tolerance...
November 3, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/29104540/oral-supplementation-with-baker-s-yeast-beta-glucan-is-associated-with-altered-monocytes-t-cells-and-cytokines-following-a-bout-of-strenuous-exercise
#8
Brian K McFarlin, Adam S Venable, Katie C Carpenter, Andrea L Henning, Stephan Ogenstad
Exercise and physical labor in extreme environmental conditions causes transient decreases in immune cell and cytokine concentrations, likely increasing the susceptibility to opportunistic infection. Baker's yeast beta glucan (BYBG) has been previously demonstrated to be an effective countermeasure in athletes, but its effectiveness in individuals of average fitness under similar physical stress is unknown. The purpose of this study was to determine if 10 days of oral supplementation with BYBG could modify previously observed suppression of monocytes, T cells, circulating and whole blood LPS-stimulated cytokines due to strenuous exercise...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29094772/mechanosensitiviy-of-aged-muscle-stem-cells
#9
Heleen E Boers, Mohammad Haroon, Fabien Le Grand, Astrid D Bakker, Jenneke Klein-Nulend, Richard T Jaspers
During aging, skeletal muscle tissue progressively declines in mass, strength, and regenerative capacity. Decreased muscle stem cell (MuSC) number and impaired function might underlie the aging-related muscle wasting and impaired regenerative capacity. As yet, the search for factors that regulate MuSC fate and function has revealed several biochemical factors within the MuSC niche that may be responsible for the decline in MuSC regenerative capacity. This decline cannot be explained by environmental factors solely, as the MuSC potential to regenerate muscle tissue is not reversed by changing the biochemical MuSC niche composition...
November 2, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29092860/exercise-training-reverses-inflammation-and-muscle-wasting-after-tobacco-smoke-exposure
#10
Karsten Krüger, Michael Seimetz, Robert Ringseis, Jochen Wilhelm, Alexandra Pichl, Aline Couturier, Klaus Eder, Norbert Weissmann, Frank C Mooren
Long term cigarette smoking induces inflammatory processes in the pulmonary system which are suggested to "spill over" into systemic inflammation. Regular exercise has been shown to have anti-inflammatory properties. The aim of the study was to investigate the effects of therapeutic exercise on inflammation and muscle wasting in smoke-exposed mice. C57BL/6J-mice (n = 30) were separated into three groups to receive either: (1) controls with no specific treatment (Con group), (2) 8 months exposure to cigarette smoke (smoke-exposed (SE) group), (3) 8 months of cigarette smoke combined with exercise training during the last 2 months (SEex group)...
November 1, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29084230/effects-of-self-reported-sensitivity-and-road-traffic-noise-levels-on-the-immune-system
#11
Ahra Kim, Joo Hyun Sung, Jin-Hee Bang, Seung Woo Cho, Jiho Lee, Chang Sun Sim
Sensitivity to noise, particularly road traffic noise, can increase cortisol levels and result in changes in immune system biomarkers. Therefore, continuous exposure to noise can have an effect on immune function, hormonal levels, and cardiovascular function, leading to hypertension and stress. The purpose of this study was to investigate the changes in stress-and immune system-related biomarkers according to the self-reported sensitivity to noise and exposure to road traffic noise, to ultimately determine the potential effects of noise on health...
2017: PloS One
https://www.readbyqxmd.com/read/29052590/reversing-the-tide-diagnosis-and-prevention-of-t2dm-in-populations-of-african-descent
#12
REVIEW
Jean N Utumatwishima, Stephanie T Chung, Amy R Bentley, Margaret Udahogora, Anne E Sumner
Populations of African descent are at the forefront of the worldwide epidemic of type 2 diabetes mellitus (T2DM). The burden of T2DM is amplified by diagnosis after preventable complications of the disease have occurred. Earlier detection would result in a reduction in undiagnosed T2DM, more accurate statistics, more informed resource allocation and better health. An underappreciated factor contributing to undiagnosed T2DM in populations of African descent is that screening tests for hyperglycaemia, specifically, fasting plasma glucose and HbA1c, perform sub-optimally in these populations...
October 23, 2017: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/29051728/exacerbation-of-brain-injury-by-post-stroke-exercise-is-contingent-upon-exercise-initiation-timing
#13
Fengwu Li, Xiaokun Geng, Hajra Khan, John T Pendy, Changya Peng, Xiaorong Li, Jose A Rafols, Yuchuan Ding
Accumulating evidence has demonstrated that post-stroke physical rehabilitation may reduce morbidity. The effectiveness of post-stroke exercise, however, appears to be contingent upon exercise initiation. This study assessed the hypothesis that very early exercise exacerbates brain injury, induces reactive oxygen species (ROS) generation, and promotes energy failure. A total of 230 adult male Sprague-Dawley rats were subjected to middle cerebral artery (MCA) occlusion for 2 h, and randomized into eight groups, including two sham injury control groups, three non-exercise and three exercise groups...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29050512/iron-deficiency-beyond-erythropoiesis-should-we-be-concerned
#14
Khaled M Musallam, Ali T Taher
OBJECTIVE: To consider the key implications of iron deficiency for biochemical and physiological functions beyond erythropoiesis. METHODS: PubMed was searched for relevant journal articles published up to August 2017. RESULTS: Anemia is the most well-recognized consequence of persisting iron deficiency, but various other unfavorable consequences can develop either before or concurrently with anemia. Mitochondrial function can be profoundly disturbed since iron is a cofactor for heme-containing enzymes and non-heme iron-containing enzymes in the mitochondrial electron transport chain...
October 20, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/29044638/impact-of-melatonin-supplementation-in-the-rat-spermatogenesis-subjected-to-forced-swimming-exercise
#15
A Moayeri, T Mokhtari, A Hedayatpour, H-A Abbaszadeh, S Mohammadpour, H Ramezanikhah, S Shokri
Oxygen consumption increases many times during exercise, which can increase reactive oxygen species. It negatively affects fertility in male athletes. Melatonin is exerting a regulatory role at different levels of the hypothalamic-pituitary-gonadal axis. However, there is no evidence that the protective effects of melatonin persist after long duration exercise on the spermatogenesis. Therefore, this study was conducted to examine the impacts of melatonin on the testis following the administration of swimming exercise...
October 18, 2017: Andrologia
https://www.readbyqxmd.com/read/29035687/acute-glutamine-ingestion-modulates-lymphocytic-responses-to-exhaustive-exercise-in-the-heat
#16
Chen Zheng, Xiang-Ke Chen, Yue Zhou
The purpose of this study was to determine if acute intake of glutamine modulates homeostatic, hematologic, immune, and inflammatory responses to exhaustive exercise in the heat. Thirteen healthy untrained young men participated in this randomized, double-blind, placebo-controlled, crossover study. They served as their own control and completed two trials of treadmill exercise at 40% VO2max to exhaustion in a hot environment (38.0 ± 1.0 °C, 60.0 ± 5.0 % relative humidity, and 20.8% oxygen) following placebo (PLA) and glutamine (GLN) consumption...
October 16, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29031957/exercise-training-attenuates-experimental-autoimmune-encephalomyelitis-by-peripheral-immunomodulation-rather-than-direct-neuroprotection
#17
Ofira Einstein, Nina Fainstein, Olga Touloumi, Roza Lagoudaki, Ester Hanya, Nikolaos Grigoriadis, Abram Katz, Tamir Ben-Hur
BACKGROUND: Conflicting results exist on the effects of exercise training (ET) on Experimental Autoimmune Encephalomyelitis (EAE), nor is it known how exercise impacts on disease progression. OBJECTIVE: We examined whether ET ameliorates the development of EAE by modulating the systemic immune system or exerting direct neuroprotective effects on the CNS. METHODS: Healthy mice were subjected to 6weeks of motorized treadmill running. The Proteolipid protein (PLP)-induced transfer EAE model in mice was utilized...
October 12, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/29021911/interval-exercise-increases-angiogenic-cell-function-in-postmenopausal-women
#18
Emma Harris, Mark Rakobowchuk, Karen M Birch
INTRODUCTION: Exercise can help to negate the increased cardiovascular disease risk observed in women after the menopausal transition. This study sought to determine whether interval or continuous exercise has differential effects on endothelial function and circulating angiogenic cell (CAC) number and function in postmenopausal women. METHODS: Fifteen healthy postmenopausal women completed a 30 min acute moderate-intensity continuous (CON) and interval exercise (MOD-INT) session on a cycle ergometer on separate days...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/29021164/investigation-of-microvascular-morphological-measures-for-skeletal-muscle-tissue-oxygenation-by-image-based-modelling-in-three-dimensions
#19
B Zeller-Plumhoff, K R Daly, G F Clough, P Schneider, T Roose
The supply of oxygen in sufficient quantity is vital for the correct functioning of all organs in the human body, especially for skeletal muscle during exercise. Traditionally, microvascular oxygen supply capability is assessed by the analysis of morphological measures on transverse cross-sections of muscle, e.g. capillary density or capillary-to-fibre ratio. In this work, we investigate the relationship between microvascular structure and muscle tissue oxygenation in mice. Phase contrast imaging was performed using synchrotron radiation computed tomography (SR CT) to visualize red blood cells (RBCs) within the microvasculature in mouse soleus muscle...
October 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/29021092/t-cells-and-their-cytokine-production-the-anti-inflammatory-and-immunosuppressive-effects-of-strenuous-exercise
#20
REVIEW
David M Shaw, Fabrice Merien, Andrea Braakhuis, Deborah Dulson
Strenuous exercise bouts and heavy training are associated with a heightened anti-inflammatory state and a transient suppression of several immune components. In turn, many athletes are susceptible to illness, particularly upper respiratory symptoms (e.g. cough, sore throat, running nose). T-lymphocytes (T-cells) are important for orchestrating the immune response and can be categorised into subsets according to their phenotypical characteristics resulting from polarisation (i.e. type-1, type-2 and regulatory T-cells)...
October 8, 2017: Cytokine
keyword
keyword
67957
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"