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https://www.readbyqxmd.com/read/28440048/ability-to-adjust-nocturnal-fat-oxidation-in-response-to-overfeeding-predicts-5-year-weight-gain-in-adults
#1
Corey A Rynders, Audrey Bergouignan, Elizabeth Kealey, Daniel H Bessesen
OBJECTIVE: To determine whether metabolic responses to short-term overfeeding predict longitudinal changes in body weight. METHODS: Twenty-four-hour energy expenditure (EE) and substrate utilization were measured at baseline in a room calorimeter following 3 days of eucaloric and hypercaloric feeding (40% excess) in a sample of lean adults (n: 34; age: 28 ± 2 y; BMI: 22 ± 3 kg/m(2) ). Body mass and fat mass (dual-energy x-ray absorptiometry) were measured annually for 5 years...
May 2017: Obesity
https://www.readbyqxmd.com/read/28439667/myricetin-induced-brown-adipose-tissue-activation-prevents-obesity-and-insulin-resistance-in-db-db-mice
#2
Tao Hu, Xiaoxue Yuan, Gang Wei, Haoshu Luo, Hyuek Jong Lee, Wanzhu Jin
PURPOSE: Myricetin, a dietary flavonoid, is effective in the treatment of obesity and insulin resistance by increasing glucose transport and lipogenesis in adipocyte and diminishing systemic inflammation in obesity. However, it has not been revealed yet whether myricetin is associated with brown adipose tissue (BAT) activation that tightly mediates systemic energy metabolism. Therefore, this study assessed whether myricetin activated brown adipose tissue in db/db mouse. METHODS: Myricetin (400 mg/kg) in distilled water was fed daily by oral gavage to leptin receptor-deficient db/db male mice at 4 weeks of age for 14 weeks...
April 24, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28438034/changes-in-physical-activity-following-total-hip-or-knee-arthroplasty-a-matched-case-control-study-from-the-epic-norfolk-cohort
#3
Toby Smith, Thomas Withers, Robert Luben, Catherine Sackley, Andy Jones, Alex MacGregor
OBJECTIVE: To assess self-reported physical activity changes pre- compared to post-operatively in patients undergoing total hip or knee arthroplasty, and to compare this to an age- and gender-matched cohort of people who have not undergone arthroplasty. DESIGN: Population-based prospective cohort study. SETTING: Norfolk, United Kingdom. SUBJECTS: People who had undergone hip or knee arthroplasty, compared to an age- and gender-matched non-arthroplasty cohort...
April 1, 2017: Clinical Rehabilitation
https://www.readbyqxmd.com/read/28437574/dietary-lactalbumin-and-lactoferrin-interact-with-inulin-to-modulate-energy-balance-in-obese-rats
#4
Arashdeep Singh, Rizaldy C Zapata, Adel Pezeshki, Prasanth K Chelikani
OBJECTIVE: To determine whether diets enriched with the whey protein components lactalbumin and lactoferrin interact additively with inulin to improve energy balance by decreasing food intake and body weight (BW). METHODS: In four experiments, diet-induced obese rats were randomized to diets containing either lactalbumin or lactoferrin at low (20% kcal) or high (40% kcal) doses, and inulin at low (7.5% w/w) or high (15% w/w) doses, alone or in combination. Energy intake (EI), energy expenditure (EE), respiratory quotient (RQ), BW, body composition, plasma insulin, and leptin concentrations were measured...
April 24, 2017: Obesity
https://www.readbyqxmd.com/read/28436723/asymptomatic-peripheral-artery-disease-can-limit-maximal-exercise-capacity-in-chronic-obstructive-pulmonary-disease-patients-regardless-of-airflow-obstruction-and-lung-hyperinflation
#5
Ernesto Crisafulli, Chiara Scelfo, Panagiota Tzani, Marina Aiello, Giuseppina Bertorelli, Alfredo Chetta
Background Silent/asymptomatic peripheral artery disease may occur in patients with chronic obstructive pulmonary disease, but it is poorly investigated. The primary aim of this study was to evaluate in chronic obstructive pulmonary disease patients the impact of asymptomatic/silent peripheral artery disease on maximal exercise capacity; the secondary aim was to search for predictors of peripheral artery disease. Methods We prospectively enrolled chronic obstructive pulmonary disease outpatients. Data on anthropometric characteristics, lung function, cardiopulmonary exercise test and ankle-brachial index were recorded...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28436331/lep-expression-and-its-role-in-obesity-and-type-2-diabetes
#6
Muhammad Imran Qadir, Zara Ahmed
Obesity is metabolic disorder that increases the risk of diabetes, heart disease, and other metabolic syndromes in human beings. One sign of diabetes is increased blood glucose levels in the body. Glucose levels increase due to problems with insulin secretion or insulin resistance. Maturity onset of diabetes of the young is more common in adults and occurs due to insulin resistance. Both diabetes and obesity are major problems that are responsible for the death of millions of individuals every year, worldwide...
2017: Critical Reviews in Eukaryotic Gene Expression
https://www.readbyqxmd.com/read/28433713/biased-signaling-at-neural-melanocortin-receptors-in-regulation-of-energy-homeostasis
#7
Li-Kun Yang, Ya-Xiong Tao
The global prevalence of obesity highlights the importance of understanding on regulation of energy homeostasis. The central melanocortin system is an important intersection connecting the neural pathways controlling satiety and energy expenditure to regulate energy homeostasis by sensing and integrating the signals of external stimuli. In this system, neural melanocortin receptors, melanocortin-3 and -4 receptors (MC3R and MC4R), play crucial roles in the regulation of energy homeostasis. Recently, multiple intracellular signaling pathways and biased signaling at neural MCRs have been discovered, providing new insights into neural MCR signaling...
April 19, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28433253/neuropeptide-s-increases-motor-activity-and-thermogenesis-in-the-rat-through-sympathetic-activation
#8
Takuya Ensho, Keiko Nakahara, Yoshihiro Suzuki, Noboru Murakami
The central role of neuropeptide S (NPS), identified as the endogenous ligand for GPR154, now named neuropeptide S receptor (NPSR), has not yet been fully clarified. We examined the central role of NPS for body temperature, energy expenditure, locomotor activity and adrenal hormone secretion in rats. Intracerebroventricular (icv) injection of NPS increased body temperature in a dose-dependent manner. Energy consumption and locomotor activity were also significantly increased by icv injection of NPS. In addition, icv injection of NPS increased the peripheral blood concentration of adrenalin and corticosterone...
April 13, 2017: Neuropeptides
https://www.readbyqxmd.com/read/28432393/more-functions-of-torpor-and-their-roles-in-a-changing-world
#9
Julia Nowack, Clare Stawski, Fritz Geiser
Increased winter survival by reducing energy expenditure in adult animals is often viewed as the primary function of torpor. However, torpor has many other functions that ultimately increase the survival of heterothermic mammals and birds. In this review, we summarize new findings revealing that animals use torpor to cope with the conditions during and after natural disasters, including fires, storms, and heat waves. Furthermore, we suggest that torpor, which also prolongs longevity and was likely crucial for survival of mammals during the time of the dinosaur extinctions, will be advantageous in a changing world...
April 21, 2017: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/28432150/specialist-generalist-model-of-body-temperature-regulation-can-be-applied-on-the-intraspecific-level
#10
Anna S Przybylska, Jan S Boratyński, Michał S Wojciechowski, Małgorzata Jefimow
According to theoretical predictions endothermic homeotherms can be classified as either thermal specialists and thermal generalists. In high cost environments thermal specialists are supposed to be more prone to use facultative heterothermy than generalists. We tested this hypothesis on the intraspecific level using laboratory male mice (C57BL/cmdb) fasted under different thermal conditions (20 and 10°C), and for different time periods (12-48 h). We predicted that variability of body temperature (Tb) and time spent with Tb below normothermy increase with the increase of environmental demands (duration of fasting and cold)...
April 21, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28431449/peripheral-and-central-glucocorticoid-signaling-contributes-to-positive-energy-balance-in-rats
#11
Tássia Karin Borba, Lígia Cristina Monteiro Galindo, Kelli Nogueira Ferraz-Pereira, Raquel da Silva Aragão, Ana Elisa Toscano, Omar Guzmán-Quevedo, Raul Manhães-de-Castro
The obesity epidemic has been the target of several studies to understand its etiology. The pathophysiological processes that take to obesity generally relate to the rupture of energy balance. This imbalance can result from environmental and/or endogenous events. Among the endogenous events, the hypothalamic-pituitary-adrenal axis, which promotes stress response via glucocorticoid activity, is considered a modulator of energy balance. However, it remains controversial whether the increase in plasma levels of glucocorticoids results in a positive or negative energy balance...
April 21, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28431343/measurement-of-physical-activity-levels-in-the-intensive-care-unit-and-functional-outcomes-an-observational-study
#12
Lisa J Beach, Kate Fetterplace, Lara Edbrooke, Selina M Parry, Rachel Curtis, Thomas Rechnitzer, Sue Berney, Linda Denehy
PURPOSE: Primary aims were: (1) objectively quantify levels of physical activity with the sensewear armband mini-fly motion sensor (SWA-MF), (2) evaluate the correlation of SWA-MF measurement of active and resting energy expenditure against the ICU Mobility scale (IMS) and indirect calorimetry respectively. MATERIALS AND METHODS: Adults mechanically ventilated ≥48h and anticipated to remain in ICU≥5days were included. Physical activity (PA) was measured using a SWA-MF (over the first five days); energy expenditure was measured with both the SWA-MF and the Deltatrac II metabolic cart on day three; highest level of mobility was assessed on the IMS...
April 7, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28430917/pka-differentially-regulates-adipose-depots-to-control-energy-expenditure
#13
Barton Wicksteed, Lorna M Dickson
No abstract text is available yet for this article.
March 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28429170/comparison-of-energy-balance-between-two-different-sized-groups-of-japanese-macaques-macaca-fuscata-yakui
#14
Yosuke Kurihara, Goro Hanya
Quantifying the energy balance is essential for testing socio-ecological models. To reveal costs and benefits of group living in Japanese macaques from the perspective of feeding competition, Kurihara and Hanya (Am J Primatol 77:986-1000, 2015) previously compared feeding behavior between two different-sized groups of macaques (larger group 30-35 individuals; smaller group 13-15 individuals) in the coastal forest of Yakushima, Japan. The results suggested that the larger group exhibited greater feeding effort because of intragroup scramble competition and that the smaller group suffered from higher travel costs, possibly owing to intergroup contest competition...
April 20, 2017: Primates; Journal of Primatology
https://www.readbyqxmd.com/read/28428010/a-strategy-of-faster-movements-used-by-elderly-humans-to-lift-objects-of-increasing-weight-in-ecological-context
#15
Thomas Hoellinger, Joseph McIntyre, Lena Jami, Sylvain Hanneton, Guy Cheron, Agnes Roby-Brami
It is not known whether, during the course of ageing, changes occur in the motor strategies used by the CNS for lifting objects of different weights. Here, we analysed the kinematics of object-lifting in two different healthy groups (young and elderly people) plus one well known deafferented patient (GL). The task was to reach and lift onto a shelf an opaque cylindrical object with changing weight. The movements of the hand and object were recorded with electromagnetic sensors. In an ecological context (i.e...
April 17, 2017: Neuroscience
https://www.readbyqxmd.com/read/28427699/people-with-ms-are-less-physically-active-than-healthy-controls-but-as-active-as-those-with-other-chronic-diseases-an-updated-meta-analysis
#16
D Kinnett-Hopkins, B Adamson, K Rougeau, R W Motl
BACKGROUND: There has been remarkable growth in research examining physical activity behavior (any bodily movement produced by skeletal muscle contraction that results in energy expenditure) among people living with multiple sclerosis (MS) over the past decade. The current meta-analysis quantified physical activity participation levels in persons with MS compared with non-diseased and other clinical populations. METHODS: We searched PUBMED, PsycINFO and Web of Science using the keywords physical activity, exercise, and physical fitness in conjunction with MS...
April 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28424580/the-role-of-microrna-in-the-modulation-of-the-melanocortinergic-system
#17
REVIEW
Adel Derghal, Mehdi Djelloul, Jérôme Trouslard, Lourdes Mounien
The central control of energy balance involves a highly regulated neuronal network within the hypothalamus and the dorsal vagal complex. In these structures, pro-opiomelanocortin (POMC) neurons are known to reduce meal size and to increase energy expenditure. In addition, leptin, a peripheral signal that relays information regarding body fat content, modulates the activity of melanocortin pathway neurons including POMC-, Agouti-related peptide (AgRP)/Neuropeptide Y (NPY)-, melanocortin receptors (MC3R and MC4R)-expressing neurons...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28424263/the-kielin-chordin-like-protein-kcp-attenuates-high-fat-diet-induced-obesity-and-metabolic-syndrome-in-mice
#18
Abdul Soofi, Katherine I Wolf, Margo P Emont, Nathan Qi, Gabriel Martinez-Santibanez, Edward Grimley, Wesam Ostwani, Gregory R Dressler
Obesity and its associated complications, such as insulin resistance and non-alcoholic fatty liver disease, are reaching epidemic proportions. In mice, the TGF-beta superfamily is implicated in the regulation of white and brown adipose tissue differentiation. The Kielin/chordin-like Protein (KCP) is a secreted regulator of the TGF-beta superfamily pathways that can inhibit both TGF-beta and activin signals while enhancing bone morphogenetic protein (BMP) signaling. However, KCP's effects on metabolism and obesity have not been studied in animal models...
April 19, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28423994/seasonal-variation-in-sports-participation
#19
Ute Schüttoff, Tim Pawlowski
This study explores indicators describing socio-demographics, sports participation characteristics and motives which are associated with variation in sports participation across seasons. Data were drawn from the German Socio-Economic Panel which contains detailed information on the sports behaviour of adults in Germany. Overall, two different measures of seasonal variation are developed and used as dependent variables in our regression models. The first variable measures the coefficient of (seasonal) variation in sport-related energy expenditure per week...
April 20, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28423914/current-views-on-neuropeptide-y-and-diabetes-related-atherosclerosis
#20
Wei-Wei Sun, Ping Zhu, Yan-Chuan Shi, Chen-Liang Zhang, Xu-Feng Huang, Shi-Yu Liang, Zhi-Yuan Song, Shu Lin
Diabetes-induced atherosclerotic cardiovascular disease is the leading cause of death of diabetic patients. Neuronal regulation plays a critical role in glucose metabolism and cardiovascular function under physiological and pathological conditions, among which, neurotransmitter neuropeptide Y has been shown to be closely involved in these two processes. Elevated central neuropeptide Y level promotes food intake and reduces energy expenditure, thereby increasing adiposity. Neuropeptide Y is co-localized with noradrenaline in central and sympathetic nervous systems...
April 1, 2017: Diabetes & Vascular Disease Research
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