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https://www.readbyqxmd.com/read/28441766/fat-mass-is-positively-associated-with-estimated-hip-bone-strength-among-chinese-men-aged-50-years-and-above-with-low-levels-of-lean-mass
#1
Guiyuan Han, Yu-Ming Chen, Hua Huang, Zhanyong Chen, Lipeng Jing, Su-Mei Xiao
This study investigated the relationships of fat mass (FM) and lean mass (LM) with estimated hip bone strength in Chinese men aged 50-80 years (median value: 62.0 years). A cross-sectional study including 889 men was conducted in Guangzhou, China. Body composition and hip bone parameters were generated by dual-energy X-ray absorptiometry (DXA). The relationships of the LM index (LMI) and the FM index (FMI) with bone phenotypes were detected by generalised additive models and multiple linear regression. The associations between the FMI and the bone variables in LMI tertiles were further analysed...
April 24, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28429917/the-impact-of-urbanization-on-the-community-food-environment-in-china
#2
Yang Wu, Hong Xue, Huijun Wang, Chang Su, Shufa Du, Youfa Wang
BACKGROUND AND OBJECTIVES: Research on how urbanization has influenced the food environment in China is limited. The study aimed to examine the impact of urbanization on the food environment in China. METHODS AND STUDY DESIGN: Longitudinal data collected during 1989-2009 from the China Health and Nutrition Survey were used, which covered 9 provinces in China. Urbanicity index (0-10) was assessed using an urbanicity scale. Final analyses included 216 communities...
May 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28423041/modeling-the-shape-and-composition-of-the-human-body-using-dual-energy-x-ray-absorptiometry-images
#3
John A Shepherd, Bennett K Ng, Bo Fan, Ann V Schwartz, Peggy Cawthon, Steven R Cummings, Stephen Kritchevsky, Michael Nevitt, Adam Santanasto, Timothy F Cootes
There is growing evidence that body shape and regional body composition are strong indicators of metabolic health. The purpose of this study was to develop statistical models that accurately describe holistic body shape, thickness, and leanness. We hypothesized that there are unique body shape features that are predictive of mortality beyond standard clinical measures. We developed algorithms to process whole-body dual-energy X-ray absorptiometry (DXA) scans into body thickness and leanness images. We performed statistical appearance modeling (SAM) and principal component analysis (PCA) to efficiently encode the variance of body shape, leanness, and thickness across sample of 400 older Americans from the Health ABC study...
2017: PloS One
https://www.readbyqxmd.com/read/28408970/differential-regulation-of-cardiac-function-and-intracardiac-cytokines-by-rapamycin-in-healthy-and-diabetic-rats
#4
Christian Luck, Vincent G DeMarco, Abuzar Mahmood, Madhavi P Gavini, Lakshmi Pulakat
Diabetes is comorbid with cardiovascular disease and impaired immunity. Rapamycin improves cardiac functions and extends lifespan by inhibiting the mechanistic target of rapamycin complex 1 (mTORC1). However, in diabetic murine models, Rapamycin elevates hyperglycemia and reduces longevity. Since Rapamycin is an immunosuppressant, we examined whether Rapamycin (750 μg/kg/day) modulates intracardiac cytokines, which affect the cardiac immune response, and cardiac function in male lean (ZL) and diabetic obese Zucker (ZO) rats...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28404506/associations-of-24-hour-sleep-duration-and-ct-derived-measurements-of-muscle-and-bone-the-ages-reykjavik-study
#5
Elisa A Marques, Pedro Figueiredo, Vilmundur Gudnason, Thomas Lang, Gunnar Sigurdsson, Sigurdur Sigurdsson, Thor Aspelund, Kristin Siggeirsdottir, Lenore Launer, Gudny Eiriksdottir, Tamara B Harris
BACKGROUND: Although the importance of sleep on preservation of several physiological functions is well known, the relationship with the two interconnected tissues - muscle and bone is less understood. OBJECTIVES: This study aimed to examine the association of 24-hour sleep duration with mid-thigh muscle composition and proximal femur volumetric bone mineral density (vBMD). METHODS: 2438 men and 3326 women aged 66 to 96years, residents in the Reykjavik area, were included in this cross-sectional study...
April 9, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28400571/moderate-lifelong-overexpression-of-tuberous-sclerosis-complex-1-tsc1-improves-health-and-survival-in-mice
#6
Hong-Mei Zhang, Vivian Diaz, Michael E Walsh, Yiqiang Zhang
The tuberous sclerosis complex 1/2 (TSC1/2) is an endogenous regulator of the mechanistic target of rapamycin (mTOR). While mTOR has been shown to play an important role in health and aging, the role of TSC1/2 in aging has not been fully investigated. In the current study, a constitutive TSC1 transgenic (Tsc1 (tg) ) mouse model was generated and characterized. mTORC1 signaling was reduced in majority of the tissues, except the brain. In contrast, mTORC2 signaling was enhanced in Tsc1 (tg) mice. Tsc1 (tg) mice are more tolerant to exhaustive exercises and less susceptible to isoproterenol-induced cardiac hypertrophy at both young and advanced ages...
April 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28363839/selection-for-high-aerobic-capacity-has-no-protective-effect-against-obesity-in-laboratory-mice
#7
Julita Sadowska, Andrzej K Gębczyński, Marek Konarzewski
Aerobic capacity (VO2max measured during intensive physical exercise) both trained and intrinsic (i.e. genetically determined) has recently been deemed a good predictor of cardiometabolic risks. However, the underlying mechanisms linking VO2max and health risk factors are not entirely clear, as it seems that not VO2max per se, but rather some correlated traits, like spontaneous physical activity (SPA) are responsible for sustaining the lean phenotype. Here we investigated the link between genetically determined aerobic capacity, SPA and resistance to diet-induced health risks using replicated lines of mice selected for high aerobic capacity during swimming in mid-cold water (25°C) and Randomly Bred control mice...
March 29, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28358788/an-application-of-business-process-management-to-health-care-facilities
#8
Mohsen M D Hassan
The purpose of this article is to help health care facility managers and personnel identify significant elements of their facilities to address, and steps and actions to follow, when applying business process management to them. The ABPMP (Association of Business Process Management Professionals) life-cycle model of business process management is adopted, and steps from Lean, business process reengineering, and Six Sigma, and actions from operations management are presented to implement it. Managers of health care facilities can find in business process management a more comprehensive approach to improving their facilities than Lean, Six Sigma, business process reengineering, and ad hoc approaches that does not conflict with them because many of their elements can be included under its umbrella...
April 2017: Health Care Manager
https://www.readbyqxmd.com/read/28350314/integrating-quality-improvement-and-continuing-professional-development-at-an-academic-medical-center-a-partnership-between-practice-plan-hospital-and-medical-school
#9
Barbara Gold, Dawn England, William Riley, Ginny Jacobs-Halsey, Corinne Webb, Bobbi Daniels
INTRODUCTION: While quality improvement (QI) initiatives can be a highly effective means for improving health care delivery in academic medical centers (AMCs), many health care professionals are not formally trained in basic QI methodology, engaging clinicians in QI activities can be challenging, and there is often a lack of integration and coordination among QI functions (eg, Departments of Quality and Safety, Continuing Professional Development). In our AMC, we undertook a collaborative approach to achieve better vertical and horizontal integration of our QI education efforts...
October 2016: Journal of Continuing Education in the Health Professions
https://www.readbyqxmd.com/read/28333235/ovarian-hormones-and-obesity
#10
Brigitte Leeners, Nori Geary, Philippe N Tobler, Lori Asarian
BACKGROUND: Obesity is caused by an imbalance between energy intake, i.e. eating and energy expenditure (EE). Severe obesity is more prevalent in women than men worldwide, and obesity pathophysiology and the resultant obesity-related disease risks differ in women and men. The underlying mechanisms are largely unknown. Pre-clinical and clinical research indicate that ovarian hormones may play a major role. OBJECTIVE AND RATIONALE: We systematically reviewed the clinical and pre-clinical literature on the effects of ovarian hormones on the physiology of adipose tissue (AT) and the regulation of AT mass by energy intake and EE...
March 2, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/28329087/clinical-definitions-of-sarcopenia-and-risk-of-hospitalization-in-community-dwelling-older-men-the-osteoporotic-fractures-in-men-study
#11
Peggy M Cawthon, Li-Yung Lui, Brent C Taylor, Charles E McCulloch, Jane A Cauley, Jodi Lapidus, Eric Orwoll, Kristine E Ensrud
Background: The association between various definitions of sarcopenia and hospitalization has not been evaluated in community-dwelling older men. Methods: We used data from 1,516 participants at Visit 3 of the Osteoporotic Fractures in Men (MrOS) study who also had linked Medicare Fee-For-Service Claims data available. We examined the association between several sarcopenia definitions (International Working Group, European Working Group for Sarcopenia in Older Persons, Foundation for the NIH Sarcopenia Project, Baumgartner, and Newman) and hospitalization, using two-part ("hurdle") models, adjusted for age, clinical center, functional limitations, self-reported health, comorbidity, and cognitive function...
January 18, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28322093/peripheral-invariant-natural-killer-t-cell-deficiency-in-metabolically-unhealthy-but-normal-weight-versus-metabolically-healthy-but-obese-individuals
#12
Xiao-Li Wang, Xiang-Yun Chang, Xiao-Xiao Tang, Zhi-Gang Chen, Ting Zhou, Kan Sun
Objective To investigate the proportion of circulating invariant natural killer T (iNKT) cells in four body health types. Methods In this cross-sectional study, participants were classified into four body health types according to the body mass index and metabolic status: metabolically healthy and normal weight (MHNW), metabolically unhealthy but normal weight (MUNW), metabolically healthy but obese (MHO), or metabolically unhealthy and obese (MUO). Demographic and clinical characteristics were measured, and the homeostasis model assessment of insulin resistance (HOMA-IR) and visceral adiposity index (VAI) were calculated...
December 2016: Journal of International Medical Research
https://www.readbyqxmd.com/read/28292922/the-association-of-the-c-reactive-protein-inflammatory-biomarker-with-breast-cancer-incidence-and-mortality-in-the-women-s-health-initiative
#13
Sandahl H Nelson, Theodore M Brasky, Ruth E Patterson, Gail A Laughlin, Donna Kritz-Silverstein, Beatrice J Edwards, Dorothy Lane, Thomas E Rohan, Gloria Y F Ho, JoAnn E Manson, Andrea Z LaCroix
PURPOSE: To examine associations of pre-diagnosis high-sensitivity C-reactive (hsCRP) with breast cancer incidence and post-diagnosis survival and to assess whether associations are modified by Body Mass Index (BMI). METHODS: A prospective analysis of the Women's Health Initiative was conducted among 17,841 cancer free postmenopausal women with baseline hsCRP measurements. Cox proportional hazards models were used to examine associations between hsCRP concentrations and: 1) breast cancer risk (n cases=1,114) and 2) all-cause mortality after breast cancer diagnosis...
March 14, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28244576/appendicular-lean-mass-and-mortality-among-prefrail-and-frail-older-adults
#14
J C Brown, M O Harhay, M N Harhay
OBJECTIVE: Prefrail and frail older adults are a heterogeneous population. The measurement of appendicular lean mass (ALM) may distinguish those at higher versus lower risk of poor outcomes. We examined the relationship between ALM and mortality among prefrail and frail older adults. DESIGN: This was a population-based cohort study. SETTING: The Third National Health and Nutrition Survey (NHANES III; 1988-1994). PARTICIPANTS: Older adults (age ≥65 years) with pre-frailty or frailty defined using the Fried criteria...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/28244552/prevalence-of-sarcopenia-in-community-dwelling-chilean-elders-according-to-an-adapted-version-of-the-european-working-group-on-sarcopenia-in-older-people-ewgsop-criteria
#15
L Lera, C Albala, H Sánchez, B Angel, M J Hormazabal, C Márquez, P Arroyo
BACKGROUND: Sarcopenia is the progressive loss of mass and skeletal muscle strength and has serious consequences on older people's health. The Chilean older population has a high life-expectancy, but the prevalence of functional dependence is also high. OBJECTIVE: To determine the prevalence of sarcopenia in Chilean older adults and its relationship with age, gender, and body mass index (BMI). DESIGN: Cross-sectional study. SETTING: Community...
2017: Journal of Frailty & Aging
https://www.readbyqxmd.com/read/28241734/tetragonia-tetragonioides-pall-kuntze-protects-estrogen-deficient-rats-against-disturbances-of-energy-and-glucose-metabolism-and-decreases-proinflammatory-cytokines
#16
Jin Ah Ryuk, Byoung-Seob Ko, Hye Won Lee, Da Sol Kim, Suna Kang, Yong Hyen Lee, Sunmin Park
Tetragonia tetragonioides (Pall.) Kuntze (TTK) and JakYakGamCho-Tang (JGT) have been used for improving women's health and treating inflammatory diseases. We determined that the long-term consumption of these herbal extracts alleviates the progression of postmenopausal symptoms in high-fat-diet fed ovariectomized (OVX) rats, and further explored the mechanisms involved. Five groups of OVX rats were fed high fat diets that were supplemented with either 2% dextrin (control), 2% TTK (70% ethanol extract), 2% JGT (water extract), 1% JGT + 1% TTK (JGTT), or 30 µg/kg body weight/day of 17β-estradiol (positive control)...
March 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28226303/got-yoga-a-longitudinal-analysis-of-thematic-content-and-models-appearance-related-attributes-in-advertisements-spanning-four-decades-of-yoga-journal
#17
Erin Vinoski, Jennifer B Webb, Jan Warren-Findlow, Kirstyn A Brewer, Katheryn A Kiffmeyer
Yoga has become an increasingly common health practice among U.S. adults over the past decade. With this growth in popularity, yoga-related print media have been criticized for shifting away from yoga's traditional philosophies and promoting a thin, lean ideal physique representing the "yoga body." The purpose of this study was to (a) analyze the presence and content of advertisements over the 40-year publication history of Yoga Journal magazine and (b) explore female advertisement models' socio-demographic and appearance-related attributes over time...
February 16, 2017: Body Image
https://www.readbyqxmd.com/read/28197123/altered-regional-gray-matter-volume-in-obese-men-a-structural-mri-study
#18
Bin Zhang, Xiao Tian, Derun Tian, Jinhong Wang, Qiming Wang, Chunshui Yu, Chunbo Li, Jijun Wang
Obesity is associated with a number of health problems, especial insulin resistance and Type 2 diabetes. Our previous study showed that obese males had decreased neural activity in the orbital frontal cortex (OFC) and increased activity in the left putamen (Zhang et al., 2015b), which could indicate altered eating behaviors in obesity related to a hyper-functioning striatum and hypo-functioning inhibitory control. Accordingly, our goal of the current study was to determine whether there are alterations in the brain structures within these two neural systems in obese individuals...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28188894/emerging-rna-editing-biomarkers-will-foster-drug-development
#19
REVIEW
Siem van der Laan, Nicolas Salvetat, Dinah Weissmann, Franck Molina
Unanticipated adverse drug reactions (ADRs) on the central nervous system are a major cause of clinical attrition and market withdrawal. Current practices for their prospective assessment still lean on extensive analysis of rodent behaviour despite their highly controversial predictive value. Human-derived in vitro models that objectively quantify mechanism-related biomarkers can greatly contribute to better ADR prediction at early developmental stages. Adenosine-to-inosine RNA editing constitutes a physiological cellular process that translates environmental cues by regulating protein function at the synaptic level in health and disease...
February 7, 2017: Drug Discovery Today
https://www.readbyqxmd.com/read/28179224/dietary-protein-is-associated-with-musculoskeletal-health-independently-of-dietary-pattern-the-framingham-third-generation-study
#20
Kelsey M Mangano, Shivani Sahni, Douglas P Kiel, Katherine L Tucker, Alyssa B Dufour, Marian T Hannan
Background: Above-average dietary protein, as a single nutrient, improves musculoskeletal health. Evaluating the link between dietary protein and musculoskeletal health from a whole-diet perspective is important, as dietary guidelines focus on dietary patterns.Objective: We examined the prospective association of novel dietary protein food clusters (derived from established dietary pattern techniques) with appendicular lean mass (ALM), quadriceps strength (QS), and bone mineral density (BMD) in 2986 men and women, aged 19-72 y, from the Framingham Third Generation Study...
March 2017: American Journal of Clinical Nutrition
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