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Flexible Dieting

Floriane Rudwill, Donal O'Gorman, Etienne Lefai, Isabelle Chery, Alexandre Zahariev, Sylvie Normand, Allan F Pagano, Angèle Chopard, Anthony Damiot, Claire Laurens, Leanne Hodson, Emmanuelle Canet-Soulas, Martina Heer, Petra Frings Meuthen, Judith Buehlmeier, Natalie Baecker, Laure Meiller, Guillemette Gauquelin-Koch, Stéphane Blanc, Chantal Simon, Audrey Bergouignan
Context: The effects of energy balanced bed-rest on metabolic flexibility has not been thoroughly examined. Objective: We investigated the effects of 21-days bed-rest, with and without whey protein supplementation, on metabolic flexibility while maintaining energy balance. We further hypothesized protein supplementation mitigates metabolic inflexibility by preventing muscle atrophy. Design & Setting: Randomized cross-over longitudinal study conducted at the German Aerospace Center, Cologne, Germany...
March 12, 2018: Journal of Clinical Endocrinology and Metabolism
Christopher Schafer, Zachary T Young, Catherine A Makarewich, Abdallah Elnwasany, Caroline S Kinter, Michael Kinter, Luke I Szweda
Cardiac energy is produced primarily by oxidation of fatty acids and glucose, with the relative contributions of each nutrient being sensitive to changes in substrate availability and energetic demand. A major contributor to cardiac metabolic flexibility is pyruvate dehydrogenase (PDH) which converts glucose-derived pyruvate to acetyl-CoA within the mitochondria. PDH is inhibited by phosphorylation dependent on the competing activities of pyruvate dehydrogenase kinases (PDK1-4) and phosphatases (PDP1-2). A single high-fat meal increases cardiac PDK4 content and subsequently inhibits PDH activity, reducing pyruvate utilization when abundant fatty acids are available...
March 14, 2018: Journal of Biological Chemistry
Margaret Raber, To Nhu Huynh, Karla Crawford, Stephanie Kim, Joya Chandra
Comprehensive cancer centers are an important community resource for cancer prevention education in their catchment areas. Colorectal cancer remains one of the most commonly diagnosed cancers in the United States, making prevention a priority. Colorectal cancer prevention targets include lifestyle modifications that are influenced by cultural norms, such as diet change, physical activity and screening behavior. Cancer centers must tailor prevention efforts to multiethnic catchment areas. This paper describes the development and feasibility of a comprehensive cancer center's approach to community-based colorectal cancer prevention in Houston, Texas, specifically targeting Hispanic and Asian populations...
March 12, 2018: Journal of Community Health
Parastoo Fazelzadeh, Roland W J Hangelbroek, Peter J Joris, Casper G Schalkwijk, Diederik Esser, Lydia Afman, Thomas Hankemeier, Doris M Jacobs, Velitchka V Mihaleva, Sander Kersten, John van Duynhoven, Mark V Boekschoten
Introduction: The response to dietary challenges has been proposed as a more accurate measure of metabolic health than static measurements performed in the fasted state. This has prompted many groups to explore the potential of dietary challenge tests for assessment of diet and lifestyle induced shifts in metabolic phenotype. Objectives: We examined whether the response to a mixed-meal challenge could provide a readout for a weight loss (WL)-induced phenotype shift in abdominally obese male subjects...
2018: Metabolomics: Official Journal of the Metabolomic Society
Katherine S Carlos, Lowri S deJager, Timothy H Begley
PVC is a common food contact material that is usually plasticized to increase its flexibility. Phthalates are one class of chemical compounds that are often used as plasticizers in PVC in a wide range of industries. They may be used in packaging materials for foods and can also be found in components of certain food processing equipment such as conveyor belts and tubing. Transfer of plasticizers from packaging to foods can occur. In recent years, there has been increased interest in understanding the health effects of phthalates, as well as the possible human exposure levels...
March 6, 2018: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
Bahendeka Silver, Kaushik Ramaiya, Swai Babu Andrew, Otieno Fredrick, Sarita Bajaj, Sanjay Kalra, Bavuma M Charlotte, Karigire Claudine, Anthony Makhoba
A diagnosis of diabetes or hyperglycemia should be confirmed prior to ordering, dispensing, or administering insulin (A). Insulin is the primary treatment in all patients with type 1 diabetes mellitus (T1DM) (A). Typically, patients with T1DM will require initiation with multiple daily injections at the time of diagnosis. This is usually short-acting insulin or rapid-acting insulin analogue given 0 to 15 min before meals together with one or more daily separate injections of intermediate or long-acting insulin...
March 5, 2018: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
Alison C Berg, Kristen B Johnson, Chad R Straight, Rachelle A Reed, Patrick J O'Connor, Ellen M Evans, Mary Ann Johnson
Eating behaviors (cognitive restraint, flexible and rigid restraint, disinhibition, hunger) have been associated with obesity and weight loss success in middle-aged individuals, but little is known about these relationships in older adults. This study examined relationships between eating behaviors and weight loss in overweight/obese older women (n = 61; 69 ± 3.6 years; body mass index = 31.1 ± 5.0 kg/m2 ) completed a 6-month behavioral weight loss intervention. Baseline, postintervention, and change measures of eating behaviors (51-items Three-Factor Eating Questionnaire) were assessed for relationships with weight loss...
March 1, 2018: Journal of Nutrition in Gerontology and Geriatrics
Yongmei Yu, Tamra Mendoza, David Ribnicky, Alexander Poulev, Robert C Noland, Randall L Mynatt, Ilya Raskin, William T Cefalu, Z Elizabeth Floyd
SCOPE: The primary disorder underlying metabolic syndrome is insulin resistance due to excess body weight and abdominal visceral fat accumulation. In this study, we asked if dietary intake of an ethanolic extract from Russian tarragon (Artemisia dracunculus L., termed PMI5011), shown to improve glucose utilization by enhancing insulin signaling in skeletal muscle, could prevent obesity-induced insulin resistance, skeletal muscle metabolic inflexibility and ectopic lipid accumulation in skeletal muscle and liver...
February 23, 2018: Molecular Nutrition & Food Research
Raymond K Tsang, Eddy W Y Wong, Jason Y K Chan
BACKGROUND: The purpose of this study was to describe the use of a novel flexible, single-arm robot in performing a transoral radical tonsillectomy and retropharyngeal lymph node dissection. METHODS: A 63-year-old man with a T1N2bM0 (American Joint Committee on Cancer seventh edition classification) squamous cell carcinoma (SCC) of the left tonsil underwent a transoral robotic radical tonsillectomy and retropharyngeal lymph node dissection, followed by a left selective neck dissection of levels I to IV...
February 23, 2018: Head & Neck
Wales A Carter, Clara Cooper-Mullin, Scott R McWilliams
The turnover rates of tissues and their constituent molecules give us insights into animals' physiological demands and their functional flexibility over time. Thus far, most studies of this kind have focused on protein turnover, and few have considered lipid turnover despite an increasing appreciation of the functional diversity of this class of molecules. We measured the turnover rates of neutral and polar lipids from the pectoralis muscles of a model songbird, the Zebra Finch ( Taeniopygia guttata , N=65), in a 256 day C 3 / C 4 diet shift experiment, with tissue samples taken at ten time points...
February 14, 2018: Journal of Experimental Biology
Elena S George, Adrienne Forsyth, Catherine Itsiopoulos, Amanda J Nicoll, Marno Ryan, Siddharth Sood, Stuart K Roberts, Audrey C Tierney
Nonalcoholic fatty liver disease (NAFLD) is the most common liver disease worldwide. In the absence of effective pharmacotherapies, clinical guidelines focus primarily on weight loss to treat this condition. Established consensus, evidence-based, and clinical dietary recommendations for NAFLD are currently lacking. The aim of this paper is to provide evidence-based practical dietary recommendations for the prevention and management of NAFLD in adults. A literature review focusing on established principles for the development of clinical practice recommendations was employed using the following criteria: based on substantial evidence, ensures risk minimization, is flexible for an individual patient approach, and is open to further modification as evidence emerges...
January 1, 2018: Advances in Nutrition
Sven Dänicke, Ulrich Meyer, Susanne Kersten, Jana Frahm
The immune system is particularly challenged in transition cows as marked physiological changes occur in this period which are driven by late gestation, partus and onset of lactation. As a consequence, the metabolic and nutritional state of the cow also changes significantly with possible implications for the plasticity and flexibility of the immune system. In order to understand how the balance between metabolism, nutritional status and the immune system is maintained under challenging conditions, such as an infection, various animal models can be used which specifically manipulate the nutritional status through various feeding and management strategies...
February 2, 2018: Research in Veterinary Science
Mirela Habibović, Eva Broers, Jordi Piera-Jimenez, Mart Wetzels, Idowu Ayoola, Johan Denollet, Jos Widdershoven
BACKGROUND: Promoting a healthy lifestyle (eg, physical activity, healthy diet) is crucial for the primary and secondary prevention of cardiac disease in order to decrease disease burden and mortality. OBJECTIVE: The current trial aims to evaluate the effectiveness of the Do Cardiac Health: Advanced New Generation Ecosystem (Do CHANGE) service, which is developed to assist cardiac patients in adopting a healthy lifestyle and improving their quality of life. METHODS: Cardiac patients (ie, people who have been diagnosed with heart failure, coronary artery disease, and/or hypertension) will be recruited at three pilot sites (Badalona Serveis Assistencials, Badalona, Spain [N=75]; Buddhist Tzu Chi Dalin General Hospital, Dalin, Taiwan [N=100] and Elisabeth-TweeSteden Hospital, Tilburg, The Netherlands [N=75])...
February 8, 2018: JMIR Research Protocols
Aurore Martin Agnoux, Angélina El Ghaziri, Thomas Moyon, Anthony Pagniez, Agnès David, Gilles Simard, Patricia Parnet, El Mostafa Qannari, Dominique Darmaun, Jean-Philippe Antignac, Marie-Cécile Alexandre-Gouabau
Perinatal undernutrition affects not only fetal and neonatal growth but also adult health outcome, as suggested by the metabolic imprinting concept. However, the exact mechanisms underlying offspring metabolic adaptations are not yet fully understood. Specifically, it remains unclear whether the gestation or the lactation is the more vulnerable period to modify offspring metabolic flexibility. We investigated in a rodent model of intrauterine growth restriction (IUGR) induced by maternal protein restriction (R) during gestation which time window of maternal undernutrition (gestation, lactation or gestation-lactation) has more impact on the male offspring metabolomics phenotype...
December 10, 2017: Journal of Nutritional Biochemistry
Faruk Ozgor, Murat Sahan, Fatih Yanaral, Metin Savun, Omer Sarilar
PURPOSE: To identify the role of shock wave lithotripsy (SWL) and flexible ureterorenoscopy (f-URS) on the stone recurrence, in the management of 10-20 millimeter lower pole stone (LPS) with medium follow-up outcomes. MATERIALS AND METHODS: The patients' charts which were treated with SWL or f-URS for LPS between January 2011 and September 2013 were analyzed, retrospectively. Patients who had a solitary 10-20mm LPS were enrolled into the study. In both procedures, patient was accepted as stone free, if complete stone clearance was achieved in the 3rd month abdominal computed tomography...
February 8, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
Laura M Bolt, Amy L Schreier, Kristofor A Voss, Elizabeth A Sheehan, Nancy L Barrickman, Nathaniel P Pryor, Matthew C Barton
When a forest is fragmented, this increases the amount of forest edge relative to the interior. Edge effects can lead to loss of animal and plant species and decreased plant biomass near forest edges. We examined the influence of an anthropogenic forest edge comprising cattle pasture, coconut plantations, and human settlement on the mantled howler (Alouatta palliata), white-faced capuchin (Cebus capucinus), Central American spider monkey (Ateles geoffroyi), and plant populations at La Suerte Biological Research Station (LSBRS), Costa Rica...
February 6, 2018: Primates; Journal of Primatology
Addisu Mekonnen, Peter J Fashing, Afework Bekele, R Adriana Hernandez-Aguilar, Eli K Rueness, Nils Chr Stenseth
BACKGROUND: Understanding the effects of habitat modification on the feeding strategies of threatened species is essential to designing effective conservation management plans. Bale monkeys (Chlorocebus djamdjamensis) are endemic to the rapidly shrinking montane forests of the southern Ethiopian Highlands. Most populations inhabit continuous bamboo forest subsisting largely on the young leaves and shoots of a single species of bamboo. Because of habitat disturbance in recent decades, however, there are now also several dozen small populations inhabiting isolated forest fragments where bamboo has been degraded...
February 6, 2018: BMC Ecology
Keiki Sugi, Paishiun N Hsieh, Olga Ilkayeva, Shamanthika Shelkay, Bridget Moroney, Palvir Baadh, Browning Haynes, Megan Pophal, Liyan Fan, Christopher B Newgard, Domenick A Prosdocimo, Mukesh K Jain
Cardiac metabolism is highly adaptive in response to changes in substrate availability, as occur during fasting. This metabolic flexibility is essential to the maintenance of contractile function and is under the control of a group of select transcriptional regulators, notably the nuclear receptor family of factors member PPARα. However, the diversity of physiologic and pathologic states through which the heart must sustain function suggests the possible existence of additional transcriptional regulators that play a role in matching cardiac metabolism to energetic demand...
2018: PloS One
Alexander V Badyaev, Erin S Morrison
Evolution of adaptive phenotypic flexibility requires a system that can dynamically restore and update a functional phenotype in response to environmental change. The architecture of such a system evolves under the conflicting demands of versatility and robustness, and resolution of these demands should be particularly evident in organisms that require external inputs for reiterative trait production within a generation, such as in metabolic networks that underlie yearly acquisition of diet-dependent coloration in birds...
January 30, 2018: Evolution; International Journal of Organic Evolution
Bailey Hanselman, Ramya Ambikapathi, Estomih Mduma, Erling Svensen, Laura E Caulfield, Crystal L Patil
BACKGROUND: Livelihoods strategies and food security experiences can positively and negatively affect infant and young child feeding (IYCF) practices. This study contributes to this literature by exploring how variation in household economics among rural farmers in Tanzania relates to IYCF patterns over the first 8 months of an infant's life. METHODS: These data were produced from a longitudinal study in which a cohort of mother-infant dyads was followed from birth to 24 months...
January 19, 2018: BMC Public Health
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