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https://www.readbyqxmd.com/read/29036996/-analysis-of-prevalence-and-related-factors-of-osteoporosis-in-retired-population-based-on-dongfeng-tongji-cohort
#1
H Yan, X Z Liu, Y Z Zhang, M A He, T C Wu
Objective: To investigate the prevalence and related factors of osteoporosis among retired population in Dongfeng-Tongji cohort. Methods: 27 009 retired participants were recruited from Dongfeng Motor Corporation in Hubei Province in 2008 and followed up from April to October in 2013. newly retired participants also were recruited. Data were collected by using questionnaire, physical examination, serum hepatase detection and bone densitometry. Totally, 30 916 participants were included for data analysis after excluding participants with severe bone metabolic diseases, taking hormone drugs, incomplete follow-up data and who were under 45 years old...
October 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29036909/diabetes-induced-dysfunction-of-mitochondria-and-stem-cells-in-skeletal-muscle-and-the-nervous-system
#2
REVIEW
Shin Fujimaki, Tomoko Kuwabara
Diabetes mellitus is one of the most common metabolic diseases spread all over the world, which results in hyperglycemia caused by the breakdown of insulin secretion or insulin action or both. Diabetes has been reported to disrupt the functions and dynamics of mitochondria, which play a fundamental role in regulating metabolic pathways and are crucial to maintain appropriate energy balance. Similar to mitochondria, the functions and the abilities of stem cells are attenuated under diabetic condition in several tissues...
October 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29036843/aberrant-peak-lactate-response-in-ms
#3
Kathrin Schlüter, Josephina Maier, Stefan Patra, Stefan M Gold, Christoph Heesen, Karl-Heinz Schulz
BACKGROUND: The peak blood lactate response to an exhaustive exercise test in a number of chronic conditions has been shown to differ from that seen in healthy, untrained individuals. However, this has not been investigated for patients with multiple sclerosis (MS). OBJECTIVE: The main objective was to determine and compare the peak blood lactate response to exercise and the maximal workload between two groups of MS patients with different illness severity. METHODS: Twenty-five patients with a relapsing-remitting disease course (Group RR) and 41 patients with a secondary- or primary chronic progressive disease course (group CP) performed an exhaustive incremental bicycle ergometry...
October 11, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/29036816/sex-difference-in-aerobic-exercise-efficacy-to-improve-cognition-in-older-adults-with-vascular-cognitive-impairment-secondary-analysis-of-a-randomized-controlled-trial
#4
Cindy K Barha, Ging-Yuek R Hsiung, John R Best, Jennifer C Davis, Janice J Eng, Claudia Jacova, Philip E Lee, Michelle Munkacsy, Winnie Cheung, Teresa Liu-Ambrose
Aerobic training (AT) is a promising, non-pharmacological intervention to mitigate the deleterious effects of aging and disease on brain health. However, a large amount of variation exists in its efficacy. This is a secondary analysis of a randomized controlled trial of AT in 71 older adults with subcortical ischemic vascular cognitive impairment (NCT01027858). Specifically, we investigated: 1) whether sex moderates the relationship between AT and executive functions, and 2) the role of brain derived neurotrophic factor (BDNF) and gains in functional fitness capacity...
October 12, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29036766/resistance-training-increases-fibroblast-growth-factor-21-and-irisin-levels-in-the-skeletal-muscle-of-zucker-diabetic-fatty-rats
#5
Hee-Jae Kim, Wook Song
PURPOSE: Although the fibroblast growth factor-21 (FGF-21) and irisin roles are well demonstrated in metabolic disease, there have been no reports investigating the effect of resistance exercise on FGF-21 and irisin levels in diabetic skeletal muscles. Therefore, this study aimed to investigate the change of FGF-21 and irisin levels in various skeletal muscles, and their association with muscle strength, following 8 weeks of resistance training using Zucker diabetic fatty rats (type 2 diabetic animal models)...
September 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29036762/low-intensity-aerobic-exercise-training-inhibition-of-skeletal-muscle-atrophy-in-high-fat-diet-induced-ovariectomized-rats
#6
Hye Jin Kim, Won Jun Lee
PURPOSE: Postmenopausal women are highly susceptible to diseases, such as obesity, type 2 diabetes, osteoporosis, or skeletal muscle atrophy and many people recognize the need for regular physical activity. Aerobic exercise training is known to improve the oxidative capacity and insulin sensitivity of skeletal muscles. This study aimed to investigate the role of low-intensity aerobic exercise training on skeletal muscle protein degradation or synthesis in the plantaris muscles of high-fat-fed ovariectomized rats...
September 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/29036551/comparative-study-of-the-growth-and-nutritional-status-of-brazilian-and-nigerian-school-aged-children-with-sickle-cell-disease
#7
Samuel A Adegoke, Maria S Figueiredo, Adekunle D Adekile, Josefina A P Braga
Background: Comparative studies of patients in different sociogeographic/ecological zones may unravel potential environmental and nutritional factors influencing disease phenotype. In sickle cell disease (SCD), differential access to comprehensive care may influence their growth and nutritional status. Methods: From June 2015 to February 2016, steady-state nutritional parameters of 109 Brazilian and 95 Nigerian children with SCD attending routine clinic visits at Universidade Federal de São Paulo, Brazil and Obafemi Awolowo University Teaching Hospital, Ile-Ife (Ilesa unit), respectively, were compared...
September 28, 2017: International Health
https://www.readbyqxmd.com/read/29036032/a-physiological-profile-of-ovarian-cancer-survivors-to-inform-tailored-exercise-interventions-and-the-development-of-exercise-oncology-guidelines
#8
Christelle Schofield, Robert U Newton, Daniel A Galvão, Paul A Cohen, Carolyn J Peddle-McIntyre
OBJECTIVE: Physical activity has become increasingly important in supportive cancer care. However, physical activity and exercise guidelines for ovarian cancer survivors remain generic. The aim of this narrative review is to summarize existing data regarding the physiological characteristics (treatment-related adverse effects, concurrent comorbidities, body weight and composition, physical fitness and function, and physical activity behavior) of ovarian cancer survivors to further understanding of their cancer-specific physical activity and exercise needs...
September 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29035319/nutritional-therapy-in-liver-transplantation
#9
REVIEW
Ahmed Hammad, Toshimi Kaido, Vusal Aliyev, Claudia Mandato, Shinji Uemoto
Protein-energy malnourishment is commonly encountered in patients with end-stage liver disease who undergo liver transplantation. Malnutrition may further increase morbidity, mortality and costs in the post-transplantation setting. The importance of carefully assessing the nutritional status during the work-up of patients who are candidates for liver replacement is widely recognized. The metabolic abnormalities induced by liver failure render the conventional assessment of nutritional status to be challenging...
October 16, 2017: Nutrients
https://www.readbyqxmd.com/read/29034801/gluteus-minimus-and-gluteus-medius-muscle-activity-during-common-rehabilitation-exercises-in-healthy-postmenopausal-women
#10
Charlotte Ganderton, Tania Pizzari, Jill Cook, Adam Semciw
Study Design Controlled laboratory study, cross-sectional. Background The gluteus medius (GMed) and minimus (GMin) provide dynamic stability of the hip joint and pelvis and are susceptible to atrophy and injury with menopause, ageing and disease. Numerous exercises have been reported in the literature to elicit high levels of GMed activity, however few have differentiated between the portions of the GMed, and none have examined GMin. Objectives To quantify and rank the level of muscle activity of the 2 segments of GMin (anterior and posterior fibers) and 3 segments of GMed (anterior, middle and posterior fibers) during 4 isometric and 3 dynamic exercises in a group of healthy, post-menopausal women...
October 15, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29033239/socioeconomic-factors-health-behavior-and-late-stage-diagnosis-of-breast-cancer-considering-the-impact-of-delay-in-diagnosis
#11
Mostafa Dianatinasab, Mohammad Mohammadianpanah, Nima Daneshi, Mohammad Zare-Bandamiri, Abbas Rezaeianzadeh, Mohammad Fararouei
BACKGROUND: Stage of cancer at diagnosis is one of the most important factors in patient prognosis. By controlling for diagnostic delay, this study aimed to identify factors associated with late-stage breast cancer (BC). PATIENTS AND METHODS: From November 2014 to January 2017, required information on 497 patients who were newly diagnosed with BC was obtained from patients' medical records. Logistic regression was used to measure the association between cancer stage and study variables...
September 19, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/29032504/resistance-exercise-improves-cardiac-function-and-mitochondrial-efficiency-in-diabetic-rat-hearts
#12
Tae Hee Ko, Jubert C Marquez, Hyoung Kyu Kim, Seung Hun Jeong, SungRyul Lee, Jae Boum Youm, In Sung Song, Dae Yun Seo, Hye Jin Kim, Du Nam Won, Kyoung Im Cho, Mun Gi Choi, Byoung Doo Rhee, Kyung Soo Ko, Nari Kim, Jong Chul Won, Jin Han
Metabolic disturbance and mitochondrial dysfunction are a hallmark of diabetic cardiomyopathy (DC). Resistance exercise (RE) not only enhances the condition of healthy individuals but could also improve the status of those with disease. However, the beneficial effects of RE in the prevention of DC and mitochondrial dysfunction are uncertain. Therefore, this study investigated whether RE attenuates DC by improving mitochondrial function using an in vivo rat model of diabetes. Fourteen Otsuka Long-Evans Tokushima Fatty rats were assigned to sedentary control (SC, n = 7) and RE (n = 7) groups at 28 weeks of age...
October 14, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/29031957/exercise-training-attenuates-experimental-autoimmune-encephalomyelitis-by-peripheral-immunomodulation-rather-than-direct-neuroprotection
#13
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 11, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/29031727/angiopoietin-like-protein-4-is-an-exercise-induced-hepatokine-in-humans-regulated-by-glucagon-and-camp
#14
Bodil Ingerslev, Jakob S Hansen, Christoph Hoffmann, Jens O Clemmesen, Niels H Secher, Mika Scheler, Martin Hrabĕ de Angelis, Hans U Häring, Bente K Pedersen, Cora Weigert, Peter Plomgaard
OBJECTIVE: Angiopoietin-like protein-4 (ANGPTL4) is a circulating protein that is highly expressed in liver and implicated in regulation of plasma triglyceride levels. Systemic ANGPTL4 increases during prolonged fasting and is suggested to be secreted from skeletal muscle following exercise. METHODS: We investigated the origin of exercise-induced ANGPTL4 in humans by measuring the arterial-to-venous difference over the leg and the hepato-splanchnic bed during an acute bout of exercise...
October 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29031681/altered-rprp-substrate-structures-and-their-influence-on-real-time-quaking-induced-conversion-reactions
#15
Keding Cheng, Angela Sloan, Brooks Waitt, Robert Vendramelli, Debra Godal, Sharon Simon, Joe O'Neil, Michael Carpenter, Dave Jackson, Jane Eastlake, Gary Mallinson, J David Knox
BACKGROUND: Bacterially-produced recombinant prion protein (rPrP) has traditionally been used for in vitro fibrillation assays and reagent development for prion disease research. In recent years, it has also been used as a substrate for real-time quaking-induced conversion (RT-QuIC), a very sensitive method of detecting the presence of the misfolded, disease-associated isoform of the prion protein (PrP(d)). Multi-centre trials have demonstrated that RT-QuIC is a suitably reliable and robust technique for clinical practice; however, in the absence of a commercial supplier of rPrP as a substrate for RT-QuIC, laboratories have been required to independently generate this key component of the assay...
October 12, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/29031520/executive-function-responses-to-aerobic-exercise-in-alzheimer-s-disease
#16
Fang Yu, David M Vock, Terry R Barclay
Executive dysfunction occurs early and is prevalent in Alzheimer's disease (AD). This study tested the ability of different measures for identifying changes in executive function and the effect of 6-months of aerobic exercise on executive function in older adults with mild to moderate AD, using a single-group, repeated-measures design (n = 28, age 78.1 ± 8.37). Factor analysis and linear mixed-effects model analyses showed that individually the Exit Interview-25 (EXIT-25), Behavioral Dyscontrol Scale (BDS), and Golden Stroop test were the preferred instruments for measuring changes in executive function in the sample...
October 11, 2017: Geriatric Nursing
https://www.readbyqxmd.com/read/29030819/single-edl-myofiber-isolation-for-analyses-of-quiescent-and-activated-muscle-stem-cells
#17
Caroline E Brun, Yu Xin Wang, Michael A Rudnicki
Adult satellite cells are quiescent, but are poised for activation in response to exercise, injury, or disease allowing adult muscle growth or repair. Once activated, satellite cells proliferate extensively to produce enough myogenic progenitors in order to regenerate the muscles. In order to self-renew, a subset of activated satellite cells can resist the myogenic differentiation and return to quiescence to replenish the satellite cell pool. These cellular processes that normally occur during skeletal muscle regeneration can be recapitulated ex vivo using isolated and cultured myofibers...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29030342/the-sex-specific-impact-of-aging-on-the-blood-pressure-response-to-exercise
#18
Joel D Trinity, Gwenael Layec, Corey R Hart, Russell S Richardson
An exaggerated blood pressure (BP) response to exercise has been linked to cardiovascular disease (CVD), but little is known about the impact of age and sex on this response. Therefore, this study examined the hemodynamic and skeletal muscle metabolic response to dynamic plantar flexion exercise, at 40% of WRmax, in 40 physical activity-matched young (n=20, 23±1 yr) and old (n=20, 73±2 yr), equally distributed, male and female subjects. Central hemodynamics and BP (finometer), popliteal artery (PA) blood flow (Doppler ultrasound), and skeletal muscle metabolism (phosphorous magnetic resonance spectroscopy, (31)P-MRS) were measured during 5 mins of plantar flexion exercise...
October 13, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29030339/muscle-%C3%AE-adrenergic-responsiveness-during-exercise-and-atp-induced-vasodilation-in-chronic-obstructive-pulmonary-disease-patients
#19
Ulrik Winning Iepsen, Gregers Druedal Wibe Munch, Camilla Koch Ryrsø, Niels H Secher, Peter Lange, Pia Thaning, Bente Klarlund Pedersen, Stefan P Mortensen
Sympathetic vasoconstriction is blunted in exercising muscle (functional sympatholysis) but becomes attenuated with age. We tested the hypothesis that functional sympatholysis is further impaired in chronic obstructive pulmonary disease (COPD) patients. We determined leg blood flow (LBF) and calculated leg vascular conductance (LVC) during 1) femoral-arterial Tyramine infusion (evokes endogenous norepinephrine release; 1 µmol min(-1) kg leg mass(-1)); 2) one-legged knee-extensor exercise with and without Tyramine infusion (10 W and 20% of maximal workload (WLmax)); 3) ATP (0...
October 13, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29030236/long-term-aerobic-exercise-in-calsequestrin2-knockout-mice-accentuates-vagal-antagonism-during-%C3%AE-adrenergic-stimulation-which-restricts-heart-rate-acceleration-and-paradoxically-increases-abnormal-ryanodine-receptor-calcium-leak-in-ventricular-myocytes
#20
Hsiang-Ting Ho, Senthil Thambidorai, Björn C Knollmann, George E Billman, Sandor Györke, Anuradha Kalyanasundaram
BACKGROUND: Long-term aerobic exercise (EX) alters autonomic balance which may not be favorable in heart rate (HR) dependent arrhythmic diseases including Catecholaminergic Polymorphic Ventricular Tachycardia (CPVT) due to preexisting bradycardia and increased sensitivity to parasympathetic stimulation. OBJECTIVE: The purpose of this study was to determine if long-term exercise-induced autonomic adaptations modify CPVT susceptibility. METHODS: We determined exercise-induced parasympathetic effects on HR, arrhythmia incidence and intracellular sarcoplasmic reticulum (SR) Ca(2+) leak in atrial (ACM) and ventricular (VCM) cardiomyocytes, in EX Calsequestrin knockout (CASQ2(-/-)) mice, a model of CPVT...
October 10, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
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