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Method for Controlled Mitochondrial Perturbation during Phosphorus MRS in Children
31P-MRS MUSCLE,MITOCHONDRIA CHILDREN EXERCISE,PERCEPTION
2017/5/24
Insulin resistance is increasingly prevalent in children and may be related to muscle mitochondrial dysfunction, necessitating development of mitochondrial assessment techniques. Recent studies used 3...
Inflammatory Genes and Psychological Factors Predict Induced Shoulder Pain Phenotype
CHRONIC,PAIN MUSCLE,PAIN INFLAMMATION,SNP IL1B TNF/LTA,REGION IL6
2017/5/24
The pain experience has multiple influences, but little is known about how specific biological and psychological factors interact to influence pain responses. The current study investigated the combin...
Cross-validation of Waist-Worn GENEA Accelerometer Cut-Points
PHYSICAL,ACTIVITY ENERGY,EXPENDITURE ACTIVITY,MONITOR ACCELEROMETRY
2017/5/24
The purpose of this study was to determine the classification accuracy of the waist gravity estimator of normal everyday activity (GENEA) cut-points developed by Esliger et al. for predicting intensit...
Muscle Atrophy, Pain, and Damage in Bed Rest Reduced by Resistive (Vibration) Exercise
TRAINING HYPERTROPHY IMMOBILIZATION SPACE,FLIGHT CROSS-SECTIONAL,AREA
2017/5/23
The purpose of this study was to investigate the effectiveness of a short-duration (5–6 min, 3 d·wk−1) resistive exercise program with (RVE) or without (RE) whole-body vibration in reducing musc...
Cut Points of Muscle Strength Associated with Metabolic Syndrome in Men
DYNAPENIA SARCOPENIA METABOLIC,HEALTH MUSCULAR,STRENGTH INSULIN,RESISTANCE,SYNDROME SYNDROME X
2017/5/23
The loss of muscle strength with age increases the likelihood of chronic conditions, including metabolic syndrome (MetS). However, the minimal threshold of muscle strength at which the risk for MetS i...
Sex Differences in Neuromuscular Recruitment Are Not Related to Patellar Tendon Load
KNEE PATELLAR,TENDINOPATHY BIOMECHANICS VOLLEYBALL
2017/5/23
Although male volleyball players report a greater prevalence of patellar tendinopathy than female players, it remains unknown whether higher patellar tendon loading generated during landing by male pl...
Association of Changes in Fitness and Body Composition with Cancer Mortality in Men
CARDIORESPIRATORY,FITNESS,CHANGE ADIPOSITY CANCER MORTALITY PROSPECTIVE,COHORT,STUDY EPIDEMIOLOGY
2017/5/23
Both baseline cardiorespiratory fitness and adiposity predict the risk of cancer mortality. However, the effects of changes in these two factors over time have not been evaluated thoroughly. The aim o...
Midlife Determinants Associated with Sedentary Behavior in Old Age
ACCELEROMETRY SEDENTARY,LIFESTYLE OLDER,ADULTS LONGITUDINAL,STUDIES SOCIOECONOMIC,FACTORS BIOMEDICAL,FACTORS
2017/5/23
Sedentary behavior is associated with adverse health effects. Insights into associated determinants are essential to prevent sedentary behavior and limit health risks. Sedentary behavior should be vie...
Regional Strain Variations in the Human Patellar Tendon
IN,VIVO TENDON REGIONAL,STRUCTURAL,PROPERTIES ULTRASOUND
2017/5/23
Characteristics of localized tendon strain in vivo are largely unknown. The present study examines local tendon strain between the deep, middle, and surface structures at the proximal and distal aspec...
Muscle Fatigability and Control of Force in Men with Posttraumatic Stress Disorder
MUSCLE,FATIGUE STRESS PTSD HANDGRIP CORTISOL AROUSAL MEN
2017/5/23
Acute stress can increase fatigability and decrease steadiness of sustained low-force contractions that are required for functional tasks in upper limb muscles. Whether motor performance is more impai...
单细胞克隆肝癌干细胞向间充质样细胞的分化潜能
单细胞克隆 间充质样细胞 多向分化潜能 可塑性
2014/7/16
探讨单细胞克隆肝癌干细胞（liver cancer stem cell，LCSCs）向间充质样细胞分化的潜能。方法：通过有限稀释法获得单个细胞来源的LCSC克隆，采用RT-PCR法鉴定干细胞标志物;将该单细胞克隆分别用成骨、软骨和脂肪诱导分化培养基培养3周后，采用Real-time PCR及特殊染色技术比较诱导前后LCSC表达成骨、软骨及脂肪细胞特异标志物的差异。结果：单细胞克隆的LCSC表达多种...
Prediction of Energy Expenditure and Physical Activity in Preschoolers
ACCELEROMETER HEART RATE ACTIHEART ACTIGRAPH CALORIMETRY
2017/5/23
Accurate, nonintrusive, and feasible methods are needed to predict energy expenditure (EE) and physical activity (PA) levels in preschoolers. Herein, we validated cross-sectional time series (CSTS) an...
Effects of Altered Airway Function on Exercise Ventilation in Asthmatic Adults
AIRWAY CALIBER AIRWAY MECHANICS BRONCHOCONSTRICTION BRONCHODILATION EXERCISE-INDUCED BRONCHODILATION PULMONARY MECHANICS
2017/5/23
Variable airway function is a central feature of the asthmatic condition. Thus, habitually active asthmatics are certain to exercise under conditions of variable airway (dys)function. The purpose of t...
The Effect of Creatine Loading on Neuromuscular Fatigue in Women
ERGOGENIC AID SEX PHOSPHOCREATINE CONTRACTILE PROPERTIES MUSCLE FATIGUE EMG
2017/5/23
This study aimed to examine the effects of intermittent isometric fatigue on maximal voluntary contraction (MVC) strength, percent voluntary activation (%VA), peak twitch force (PTF), peak rate of for...
Standing and Mortality in a Prospective Cohort of Canadian Adults
POSTURE STANDING PHYSICAL ACTIVITY CANADA FITNESS SURVEY DEATH COHORT
2017/5/19
Several studies have documented significant associations between sedentary behaviors such as sitting or television viewing and premature mortality. However, the associations between mortality and othe...