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https://www.readbyqxmd.com/read/28329660/predictors-of-tanning-dependence-in-white-non-hispanic-females-and-males
#1
Brenda Cartmel, Susan T Mayne, Allen E Bale, Joel Gelernter, Andrew DeWan, David J Leffell, Sherry Pagoto, Peter Spain, Leah M Ferrucci
Growing evidence suggests some individuals may exhibit dependence to ultraviolet light, a known carcinogen; however, few studies have investigated predictors of tanning dependence (TD).A sub-set of early-onset basal cell carcinoma case-control study participants completed an online survey. The modified-Cut down, Annoyed, Guilty, Eye-opener (mCAGE) and a questionnaire based on the addiction criteria of the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision (mDSM-IV-TR) were used to classify participants having'Symptoms of TD' if they met criteria for TD on both questionnaires, 'Tendency for TD' if met criteria on only one questionnaire, or 'Not TD'...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28319586/short-term-exercise-training-alters-leukocyte-chemokine-receptors-in-obese-adults
#2
Julianne C Barry, Svetlana Simtchouk, Cody Durrer, Mary E Jung, Jonathan P Little
Obesity is characterized by chronic low-grade inflammation driven by activation and tissue infiltration of circulating leukocytes. Although exercise has anti-inflammatory effects, the impact of exercise on mediators of leukocyte migration is unclear. PURPOSE: To determine the impact of high intensity interval training (HIIT) versus moderate intensity continuous training (MICT), in the absence of weight/fat loss, on circulating chemokines and leukocyte chemokine receptors. METHODS: Thirty-seven inactive obese adults were randomized to two weeks (10 sessions) of HIIT or MICT with fasting blood samples collected before and after training...
March 18, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28315675/low-intensity-training-and-the-c5a-complement-antagonist-nox-d21-rescue-the-mdx-phenotype-through-modulation-of-inflammation
#3
Janek Hyzewicz, Jun Tanihata, Mutsuki Kuraoka, Yuko Nitahara-Kasahara, Teiva Beylier, Urs T Ruegg, Axel Vater, Shin'ichi Takeda
Inflammatory events occurring in dystrophic muscles contribute to the progression of Duchenne muscular dystrophy (DMD). Low-intensity training (LIT) attenuates the phenotype of mdx mice, an animal model for DMD. Therefore, we postulated that LIT could have anti-inflammatory properties. We assessed levels of inflammatory cytokines and infiltrated immune cells in gastrocnemius muscle of mdx mice after LIT. We detected high levels of complement component C5a, chemokine ligand (CCL) 2, CD68(+) monocytes/macrophages, and proinflammatory M1 macrophages in muscles of mdx mice...
March 15, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28295487/sperm-dna-fragmentation-as-a-result-of-ultra-endurance-exercise-training-in-male-athletes
#4
D Vaamonde, C Algar-Santacruz, A Abbasi, J M García-Manso
Intensive sports practice seems to exert negative effects on semen parameters; in order to assess these effects, the objective of this study was to assess semen, including DNA fragmentation, and hormone parameters in elite triathletes. Twelve high-level triathletes preparing for a National Triathlon Championship participated in the study. The qualitative sperm parameters analysed were volume, sperm count, motility, morphology and DNA fragmentation; when needed, additional testing was performed. Assessed hormones were testosterone (T), cortisol (C) and testosterone-cortisol ratio (T/C)...
March 15, 2017: Andrologia
https://www.readbyqxmd.com/read/28284334/voluntary-wheel-running-differentially-affects-disease-outcomes-in-male-and-female-mice-with-experimental-autoimmune-encephalomyelitis
#5
Katherine A Mifflin, Emma Frieser, Curtis Benson, Glen Baker, Bradley J Kerr
Multiple sclerosis (MS) is an inflammatory neurodegenerative disease of the central nervous system. The primary symptoms of MS include the loss of sensory and motor function. Exercise has been shown to modulate disease parameters in experimental autoimmune encephalomyelitis (EAE), a mouse model of MS, by reducing immune cell infiltration and oxidative stress. However, these initial studies were carried out exclusively in female mice. The present study compared the effects of daily voluntary wheel running on several disease parameters in male and female mice with EAE...
April 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28277983/l-arginine-supplementation-improves-rats-antioxidant-system-and-exercise-performance
#6
E P Silva, L S Borges, C Mendes-da-Silva, S M Hirabara, R H Lambertucci
Reactive species have great importance in sports performance, once they can directly regulate energy production, muscular contraction, inflammation and fatigue. Therefore, the redox control is essential for athletes' performance. Studies demonstrated that L-arginine has an important role in the synthesis of urea, cell growth and production of nitric oxide, moreover, there are indications that it is also able to induce benefits to muscle antioxidant system through the upregulation of some antioxidant enzymes, and by inhibiting some pathways of reactive species production...
March 1, 2017: Free Radical Research
https://www.readbyqxmd.com/read/28273244/bone-turnover-markers-in-sheep-and-goat-a-review-of-the-scientific-literature
#7
José A Camassa, Camila C Diogo, Cristina P Sousa, Jorge T Azevedo, Carlos A Viegas, Rui L Reis, Nuno Dourado, Isabel R Dias
Bone turnover markers (BTMs) are product of bone cell activity and are generally divided in bone formation and bone resorption markers. The purpose of this review was to structure the available information on the use of BTMs in studies on small ruminants, especially for monitoring their variations related to diet, exercise, gestation and metabolic lactation state, circadian and seasonal variations, and also during skeletal growth. Pre-clinical and translational studies using BTMs with sheep and goats as animal models in orthopaedic research studies to help in the evaluation of the fracture healing process and osteoporosis research are also described in this review...
March 2, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28255731/acute-effects-of-post-absorptive-and-postprandial-moderate-exercise-on-markers-of-inflammation-in-hyperglycemic-individuals
#8
Håvard Nygaard, Gunnar Slettaløkken Falch, Jon Elling Whist, Ivana Hollan, Stian Ellefsen, Gerd Holmboe-Ottesen, Bent R Rønnestad, Arne T Høstmark
PURPOSE: Systemic inflammation is involved in the development of several diseases, including cardiovascular disease and type 2 diabetes. It is known that vigorous exercise affects systemic inflammation, but less is known about exercise at lower intensities. Hyperglycemia can also entail pro-inflammatory responses; however, postprandial hyperglycemia is blunted if the meal is followed by exercise. Hypotheses were: (1) moderate physical exercise acutely affects levels of C-reactive protein (CRP) and serum soluble vascular cell adhesion molecule 1 (sVCAM-1) in hyperglycemic individuals and (2) the effect depends on whether the activity is performed in a post-absorptive or postprandial state...
March 2, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28250797/changes-in-peripheral-immune-cell-numbers-and-functions-in-octogenarian-walkers-an-acute-exercise-study
#9
Kornelis S M van der Geest, Qi Wang, Thijs M H Eijsvogels, Hans J P Koenen, Irma Joosten, Elisabeth Brouwer, Maria T E Hopman, Joannes F M Jacobs, Annemieke M H Boots
BACKGROUND: Age-related changes of the immune system, termed immunosenescence, may underlie the increased risk of infections and morbidity in the elderly. Little is known about the effects of acute exercise on peripheral immune parameters in octogenarians. Therefore, we investigated acute exercise-induced changes in phenotype and function of the immune system in octogenarians participating in the 2013 edition of the Nijmegen Four Days Marches. Blood sampling was performed at baseline and immediately after 4 days of the walking exercise (30 km/day)...
2017: Immunity & Ageing: I & A
https://www.readbyqxmd.com/read/28235790/short-term-regular-aerobic-exercise-reduces-oxidative-stress-produced-by-acute-high-intraluminal-pressure-in-the-adipose-microvasculature
#10
Austin T Robinson, Ibra S Fancher, Varadarajan Sudhahar, Jing Tan Bian, Marc Cook, Abeer M Mahmoud, Mohamed Ali, Masuko Ushio-Fukai, Michael D Brown, Tohru Fukai, Shane A Phillips
High blood pressure has been shown to elicit impaired dilation in the vasculature. The purpose of this investigation was to elucidate the mechanisms through which high pressure may elicit vascular dysfunction, and determine the mechanisms through which regular aerobic exercise protects arteries against high pressure. METHODS: Male C57Bl6 mice were subjected to two weeks of voluntary running (~ 6km/day) for comparison to sedentary controls. Hind limb adipose resistance arteries were dissected from mice for measurement of flow-induced dilation (FID; with or without high intraluminal pressure exposure); or protein expression of NADPH oxidase II (NOX II) and superoxide dismutase (SOD)...
February 24, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28223068/parasite-control-and-skeletal-myositis-in-trypanosoma-cruzi-infected-and-exercised-rats
#11
Rômulo D Novaes, Reggiani V Gonçalves, Arlete R Penitente, Marli C Cupertino, Izabel R S C Maldonado, André Talvani, Antônio J Natali
Non-pharmacological strategies have been rarely described in the treatment of infectious diseases. Although exercise training has been recently incorporated in the clinical management of Chagas disease, the rationale basis that supports this indication is poorly understood. Thus, we investigated the effect of an aerobic exercise on the parasitism, inflammation and oxidative tissue damage in a murine model of Trypanosoma cruzi-induced skeletal myositis. Wistar rats were randomized into four groups: trained not infected (TNI) and infected (TI), sedentary not infected (SNI) and infected (SI)...
February 20, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28220548/relationship-of-physical-activity-with-physical-function-and-health-related-quality-of-life-in-patients-having-undergone-allogeneic-haematopoietic-stem-cell-transplantation
#12
S Morishita, K Kaida, S Yamauchi, T Wakasugi, K Ikegame, H Ogawa, K Domen
In this study, we investigated the differences in physical activity before and after transplantation, and the relationship between physical activity and physical function and health-related quality of life (QOL) in 30 patients who underwent allogeneic haematopoietic stem cell transplantation (allo-HSCT). Duration and intensity of physical activity were quantified using a three-dimensional accelerometer. Physical function was quantified by handgrip and knee-extensor strength, with the 6-minute walk test (6MWT) used as a measure of exercise capacity...
February 21, 2017: European Journal of Cancer Care
https://www.readbyqxmd.com/read/28218888/using-clinical-signs-and-symptoms-for-medical-management-of-radiation-casualties-2015-nato-exercise
#13
H Dörr, M Abend, W F Blakely, D L Bolduc, D Boozer, T Costeira, T Dant, A De Amicis, S De Sanctis, M Dondey, M Drouet, F Entine, S Francois, G Gagna, N Guitard, F Hérodin, M Hoefer, A Lamkowski, G La Sala, F Lista, P Loiacono, M Majewski, P Martigne, D Métivier, X Michel, J Pateux, J Pejchal, G Reeves, D Riccobono, Z Sinkorova, L Soyez, D Stricklin, A Tichy, M Valente, C R Woodruff, L Zarybnicka, M Port
The utility of early-phase (≤5 days) radiation-induced clinical signs and symptoms (e.g., vomiting, diarrhea, erythema and changes in blood cell counts) was examined for the prediction of later occurring acute radiation syndrome (ARS) severity and the development of medical management strategies. Medical treatment protocols for radiation accident victims (METREPOL) was used to grade ARS severities, which were assigned response categories (RCs). Data on individuals (n = 191) with mild (RC1, n = 45), moderate (RC2, n = 19), severe (RC3, n = 20) and fatal (RC4, n = 18) ARS, as well as nonexposed individuals (RC0, n = 89) were generated using either METREPOL (n = 167) or the system for evaluation and archiving of radiation accidents based on case histories (SEARCH) database (n = 24), the latter comprised of real-case descriptions...
February 20, 2017: Radiation Research
https://www.readbyqxmd.com/read/28218626/building-discontinuous-liver-sinusoidal-vessels
#14
Courtney T Griffin, Siqi Gao
Blood vessels have a unified mission to circulate blood throughout the body; however, they have additional diverse and specialized roles in various organs. For example, in the liver, discontinuous sinusoids, which are fenestrated capillaries with intercellular gaps and a fragmented basement membrane, facilitate delivery of macromolecules to highly metabolic hepatocytes. During embryonic development, discontinuous sinusoids also allow circulating hematopoietic progenitor and stem cells to populate the liver and promote blood cell differentiation...
March 1, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28209728/evaluation-of-cell-therapy-on-exercise-performance-and-limb-perfusion-in-peripheral-artery-disease-the-cctrn-patients-with-intermittent-claudication-injected-with-aldh-bright-cells-pace-trial
#15
Emerson C Perin, Michael P Murphy, Keith L March, Roberto Bolli, John Loughran, Phillip C Yang, Nicholas J Leeper, Ronald L Dalman, Jason Q Alexander, Timothy D Henry, Jay H Traverse, Carl J Pepine, R David Anderson, Scott Berceli, James T Willerson, Raja Muthupillai, Amir A Gahremanpour, Ganesh Raveendran, Omaida C Velazquez, Joshua M Hare, Ivonne H Schulman, Vijaykumar S Kasi, William R Hiatt, Bharath Ambale-Venkatesh, João A Lima, Doris A Taylor, Micheline M Resende, Adrian P Gee, April G Durett, Jeannette Bloom, Sara Richman, Patricia G'Sell, Shari Williams, Fouzia Khan, Elsie G Ross, Michelle R Santoso, JoAnne Goldman, Dana Leach, Eileen Handberg, Benjamin Y C Cheong, Nichole A Piece, Darcy DiFede, Barb Bruhn-Ding, Emily Caldwell, Judy Bettencourt, Dejian Lai, Linda B Piller, Lara M Simpson, Michelle Cohen, Shelly L Sayre, Rachel W Vojvodic, Lem Moyé, Ray F Ebert, Robert D Simari, Alan T Hirsch
Background -Atherosclerotic peripheral artery disease (PAD) affects 8-12% of Americans over 65 and is associated with a major decline in functional status, increased myocardial infarction and stroke rates, and increased risk of ischemic amputation. Current treatment strategies for claudication have limitations. PACE is an NHLBI-sponsored, randomized, double-blind, placebo-controlled phase 2, exploratory clinical trial designed to assess safety and efficacy of autologous bone marrow-derived aldehyde dehydrogenase bright (ALDHbr) cells in PAD patients and to explore associated claudication physiologic mechanisms...
February 16, 2017: Circulation
https://www.readbyqxmd.com/read/28207662/expression-of-mirna-124a-in-cd4-cells-reflects-response-to-a-multidisciplinary-treatment-program-in-patients-with-chronic-low-back-pain
#16
Benjamin Luchting, Jens Heyn, Ludwig Christian Hinske, Shahnaz Christina Azad
STUDY DESIGN: A prospective evaluation of microRNA (miRNA) expression in patients with chronic low back pain (CLBP). OBJECTIVE: The aim of this study was to evaluate whether pain- and T cell-related miRNAs are differentially expressed in CLBP when compared with healthy volunteers and whether these miRNAs may distinguish between responders and nonresponders to a multidisciplinary treatment program. SUMMARY OF BACKGROUND DATA: CLBP is a common health problem worldwide...
February 15, 2017: Spine
https://www.readbyqxmd.com/read/28166612/acute-exercise-activates-p38-mapk-and-increases-the-expression-of-telomere-protective-genes-in-cardiac-muscle
#17
Andrew T Ludlow, Laila Gratidao, Lindsay W Ludlow, Espen E Spangenburg, Stephen M Roth
Age is the greatest risk factor for cardiovascular disease. Telomere length is shorter in the hearts of aged mice compared to young mice, and short telomere length has been associated with an increased risk of cardiovascular disease. One year of voluntary wheel running exercise attenuates the age-associated loss of telomere length and results in altered gene expression of telomere length maintaining and genome stabilizing proteins in heart tissue of mice. Understanding the early adaptive response of the heart to an endurance exercise bout is paramount to understanding the impact of endurance exercise on heart tissue and cells...
February 6, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28151424/vascular-adaptation-to-exercise-in-humans-role-of-hemodynamic-stimuli
#18
REVIEW
Daniel J Green, Maria T E Hopman, Jaume Padilla, M Harold Laughlin, Dick H J Thijssen
On the 400th anniversary of Harvey's Lumleian lectures, this review focuses on "hemodynamic" forces associated with the movement of blood through arteries in humans and the functional and structural adaptations that result from repeated episodic exposure to such stimuli. The late 20th century discovery that endothelial cells modify arterial tone via paracrine transduction provoked studies exploring the direct mechanical effects of blood flow and pressure on vascular function and adaptation in vivo. In this review, we address the impact of distinct hemodynamic signals that occur in response to exercise, the interrelationships between these signals, the nature of the adaptive responses that manifest under different physiological conditions, and the implications for human health...
April 2017: Physiological Reviews
https://www.readbyqxmd.com/read/28130174/exercise-increases-mtor-signaling-in-brain-regions-involved-in-cognition-and-emotional-behavior
#19
Brian A Lloyd, Holly S Hake, Takayuki Ishiwata, Caroline E Farmer, Esteban C Loetz, Monika Fleshner, Sondra T Bland, Benjamin N Greenwood
Exercise can enhance learning and memory and produce resistance against stress-related psychiatric disorders such as depression and anxiety. In rats, these beneficial effects of exercise occur regardless of exercise controllability: both voluntary and forced wheel running produce stress-protective effects. The mechanisms underlying these beneficial effects of exercise remain unknown. The mammalian target of rapamycin (mTOR) is a translation regulator important for cell growth, proliferation, and survival. mTOR has been implicated in enhancing learning and memory as well as antidepressant effects...
April 14, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28129487/predictors-of-tanning-dependence-in-white-non-hispanic-females-and-males
#20
B Cartmel, A E Bale, S T Mayne, J E Gelernter, A T DeWan, P Spain, D J Leffell, S Pagoto, L M Ferrucci
BACKGROUND: Growing evidence suggests that some individuals may exhibit symptoms of dependence on ultraviolet (UV) light, a known carcinogen, in the context of tanning; however, few studies have investigated predictors of tanning dependence (TD). OBJECTIVE: To identify predictors of tanning dependence (TD). METHODS: Non-Hispanics of European-ancestry who had previously participated in a case-control study of early-onset basal cell carcinoma completed an online survey to ascertain TD and other behaviors (alcohol dependence, nicotine dependence, seasonal affective disorder (SAD), exercise 'addiction', and depression)...
January 27, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
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