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https://www.readbyqxmd.com/read/29398254/intensive-lifestyle-modifications-with-or-without-liraglutide-3mg-vs-sleeve-gastrectomy-a-three-arm-non-randomised-controlled-pilot-study
#1
E Capristo, S Panunzi, A De Gaetano, M Raffaelli, C Guidone, A Iaconelli, L L'Abbate, A L Birkenfeld, R Bellantone, S R Bornstein, G Mingrone
BACKGROUND/OBJECTIVES: As only 1% of clinically eligible subjects choose to undergo surgical treatment for obesity, other options should be investigated. This study aimed to assess the effects of intensive lifestyle modification (ILM) with or without 3-mg liraglutide daily vs. sleeve gastrectomy (SG) on BMI after 1 year. SUBJECTS/METHODS: In this study performed at an Italian university hospital, non-diabetic patients eligible for bariatric surgery were recruited from a weight-loss clinic and had the option to choose from three possible weight-loss programmes up to an allocation of 25 subjects in each arm matched by BMI and age...
December 29, 2017: Diabetes & Metabolism
https://www.readbyqxmd.com/read/29367881/changes-in-zinc-%C3%AE-2-glycoprotein-zag-plasma-concentrations-pre-and-post-roux-en-y-gastric-bypass-surgery-rygb-or-a-very-low-calorie-vlcd-diet-in-clinically-severe-obese-patients-preliminary-study
#2
Kyle W Morse, Nerys M Astbury, Alexandra Walczyszyn, Sami A Hashim, Allan Geliebter
The purpose of this preliminary study was to investigate changes in plasma concentrations of zinc-α2-glycoprotein (ZAG), a lipid mobilizing hormone, in obese subjects following Roux-En-Y Gastric Bypass (RYGB) surgery or a very low calorie diet (VLCD). Fasting blood concentrations and anthropometric measurements were measured pre and 12 weeks post intervention. 14 healthy, obese individuals underwent either RYGB (N=6) surgery or a VLCD (N=8). Body composition and fasting plasma ZAG concentrations were measured at baseline (pre) and 12 weeks post intervention (post)...
April 2017: Integrative Obesity and Diabetes
https://www.readbyqxmd.com/read/29352654/resistance-training-during-a-12-week-protein-supplemented-vlcd-treatment-enhances-weight-loss-outcomes-in-obese-patients
#3
Edward Jo, Phillip R Worts, Marcus L Elam, Ann Frost Brown, Andy V Khamoui, Do-Houn Kim, Ming-Chia Yeh, Michael J Ormsbee, Carla M Prado, Angelina Cain, Katie Snyder, Jeong-Su Kim
BACKGROUND: This investigation evaluated the efficacy by which resistance training enhances body composition, metabolic, and functional outcomes for obese patients undergoing a 12-week medically supervised hypocaloric treatment. METHODS: This was a single-blind, randomized, parallel-group prospective trial. Morbidly obese patients were prescribed a 12-week proprietary very low calorie diet (VLCD) treatment (Optifast®) with supplemental protein (1120 kcals/day) and were placed in one of two groups for 14 weeks: 1) Standard Treatment Control (CON) (n = 5) or 2) Resistance Training (RT) (n = 6)...
December 23, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29343706/caloric-restriction-lowers-endocannabinoid-tonus-and-improves-cardiac-function-in-type-2-diabetes
#4
Huub J van Eyk, Linda D van Schinkel, Vasudev Kantae, Charlotte E A Dronkers, Jos J M Westenberg, Albert de Roos, Hildo J Lamb, J Wouter Jukema, Amy C Harms, Thomas Hankemeier, Mario van der Stelt, Ingrid M Jazet, Patrick C N Rensen, Johannes W A Smit
BACKGROUND/OBJECTIVES: Endocannabinoids (ECs) are associated with obesity and ectopic fat accumulation, both of which play a role in the development of cardiovascular disease (CVD) in type 2 diabetes (T2D). The effect of prolonged caloric restriction on ECs in relation to fat distribution and cardiac function is still unknown. Therefore, our aim was to investigate this relationship in obese T2D patients with coronary artery disease (CAD). SUBJECTS/METHODS: In a prospective intervention study, obese T2D patients with CAD (n = 27) followed a 16 week very low calorie diet (VLCD; 450-1000 kcal/day)...
January 17, 2018: Nutrition & Diabetes
https://www.readbyqxmd.com/read/29239795/effects-of-very-low-calorie-diets-on-liver-size-and-weight-loss-in-the-preoperative-period-of-bariatric-surgery-a-systematic-review
#5
REVIEW
Mariana Holderbaum, Daniela Schaan Casagrande, Samanta Sussenbach, Caroline Buss
Restrictive diet implementation in bariatric surgery (BS) preoperative period is common, although its benefits are not well established. This study aimed to assess the effects of very low calorie diets (VLCD) on liver size and weight loss during BS preoperative period. Surgery-related complications were also assessed. A systematic review of the literature was performed. Terms such as "bariatric surgery" and "very low energy diet" were included in the search strategy. Inclusion criteria were adult patients (aged>18 yr); VLCD treatment in BS preoperative period (10 d to 12 wk); and assessment of 1 the following outcomes: weight loss, liver volume reduction, and surgical complications...
October 2, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/29129786/mechanisms-by-which-a-very-low-calorie-diet-reverses-hyperglycemia-in-a-rat-model-of-type-2-diabetes
#6
Rachel J Perry, Liang Peng, Gary W Cline, Yongliang Wang, Aviva Rabin-Court, Joongyu D Song, Dongyan Zhang, Xian-Man Zhang, Yuichi Nozaki, Sylvie Dufour, Kitt Falk Petersen, Gerald I Shulman
Caloric restriction rapidly reverses type 2 diabetes (T2D), but the mechanism(s) of this reversal are poorly understood. Here we show that 3 days of a very-low-calorie diet (VLCD, one-quarter their typical intake) lowered plasma glucose and insulin concentrations in a rat model of T2D without altering body weight. The lower plasma glucose was associated with a 30% reduction in hepatic glucose production resulting from suppression of both gluconeogenesis from pyruvate carboxylase (VPC), explained by a reduction in hepatic acetyl-CoA content, and net hepatic glycogenolysis...
November 8, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/29122953/dietary-weight-loss-induced-changes-in-rbp4-ffa-and-ace-predict-weight-regain-in-people-with-overweight-and-obesity
#7
Roel G Vink, Nadia J Roumans, Edwin C Mariman, Marleen A van Baak
Adipokines and other biomarkers were previously identified with roles in energy expenditure, appetite, satiety, and adiposity. Therefore, we investigated whether dietary weight loss-induced changes in adipokines and other biomarkers known to play a role in weight regulation or energy expenditure could predict weight regain in people with overweight and obesity. In this randomized controlled trial 26 males and 30 females (BMI: 28-35 kg/m(2)) followed either a low-calorie diet (LCD; 1250 kcal/day) for 12 weeks or a very-low-calorie diet (VLCD; 500 kcal/day) for 5 weeks followed by a weight stable period of 4 weeks (dietary intervention (DI) period) and a 9-month follow-up period...
November 2017: Physiological Reports
https://www.readbyqxmd.com/read/29098545/non-alcoholic-fatty-liver-disease-in-morbidly-obese-individuals-undergoing-bariatric-surgery-prevalence-and-effect-of-the-pre-bariatric-very-low-calorie-diet
#8
Katherine J P Schwenger, Sandra E Fischer, Timothy D Jackson, Allan Okrainec, Johane P Allard
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) affects 75 to 100% of the patients undergoing bariatric surgery (BSx), with non-alcoholic steatohepatitis (NASH) being present in 24 to 98% of the patients. We do not know whether these rates were before or after a very low calorie diet (VLCD) often prescribed before laparoscopic BSx and what is the prevalence of NAFLD post-VLCD. PURPOSE: The purpose of this study is to determine the prevalence of simple steatosis (SS) and NASH in obese individuals undergoing BSx post-VLCD and assess biochemical markers pre- and post-VLCD in a subgroup of patients...
November 2, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28944597/caloric-restriction-induced-decreases-in-dopamine-receptor-availability-are-associated-with-leptin-concentration
#9
Julia P Dunn, Naji N Abumrad, Robert M Kessler, Bruce W Patterson, Rui Li, Pamela Marks-Shulman, Robyn A Tamboli
OBJECTIVE: It has been previously reported that early after Roux-en-Y-gastric bypass, dopamine (DA) type 2 and 3 receptor (D2/3R) binding potential (BPND ) was decreased from preoperative levels. The current study aimed to determine whether calorie restriction without weight loss modifies D2/3R BPND and whether such changes are explained by neuroendocrine regulation. METHODS: Fifteen females with obesity (BMI = 39 ± 6 kg/m(2) ) were studied before and after ∼10 days of a very-low-calorie-diet (VLCD)...
November 2017: Obesity
https://www.readbyqxmd.com/read/28931850/effect-of-caloric-restriction-on-gut-permeability-inflammation-markers-and-fecal-microbiota-in-obese-women
#10
Beate Ott, Thomas Skurk, Ljiljana Hastreiter, Ilias Lagkouvardos, Sandra Fischer, Janine Büttner, Teresa Kellerer, Thomas Clavel, Michael Rychlik, Dirk Haller, Hans Hauner
Recent findings suggest an association between obesity, loss of gut barrier function and changes in microbiota profiles. Our primary objective was to examine the effect of caloric restriction and subsequent weight reduction on gut permeability in obese women. The impact on inflammatory markers and fecal microbiota was also investigated. The 4-week very-low calorie diet (VLCD, 800 kcal/day) induced a mean weight loss of 6.9 ± 1.9 kg accompanied by a reduction in HOMA-IR (Homeostasis model assessment-insulin resistance), fasting plasma glucose and insulin, plasma leptin, and leptin gene expression in subcutaneous adipose tissue...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28790922/exercise-preserves-lean-mass-and-performance-during-severe-energy-deficit-the-role-of-exercise-volume-and-dietary-protein-content
#11
Jose A L Calbet, Jesús G Ponce-González, Jaime de La Calle-Herrero, Ismael Perez-Suarez, Marcos Martin-Rincon, Alfredo Santana, David Morales-Alamo, Hans-Christer Holmberg
The loss of fat-free mass (FFM) caused by very-low-calorie diets (VLCD) can be attenuated by exercise. The aim of this study was to determine the role played by exercise and dietary protein content in preserving the lean mass and performance of exercised and non-exercised muscles, during a short period of extreme energy deficit (~23 MJ deficit/day). Fifteen overweight men underwent three consecutive experimental phases: baseline assessment (PRE), followed by 4 days of caloric restriction and exercise (CRE) and then 3 days on a control diet combined with reduced exercise (CD)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28730835/the-effect-of-very-low-calorie-diet-on-mitochondrial-dysfunction-in-subcutaneous-adipose-tissue-and-peripheral-monocytes-of-obese-subjects-with-type-2-diabetes-mellitus
#12
M Urbanová, M Mráz, V Ďurovcová, P Trachta, J Kloučková, P Kaválková, D Haluzíková, Z Lacinová, H Hansíková, L Wenchich, M Kršek, M Haluzík
Mitochondrial dysfunction is a potentially important player in the development of insulin resistance and type 2 diabetes mellitus (T2DM). We investigated the changes of mRNA expression of genes encoding main enzymatic complexes of mitochondrial respiratory chain in subcutaneous adipose tissue (SCAT) and peripheral monocytes (PM) of 11 subjects with simple obesity (OB), 16 obese patients with T2DM and 17 healthy lean subjects (C) before and after very low-calorie diet (VLCD) using quantitative real time PCR...
July 18, 2017: Physiological Research
https://www.readbyqxmd.com/read/28710554/morphofunctional-changes-after-sleeve-gastrectomy-and-very-low-calorie-diet-in-an-animal-model-of-non-alcoholic-fatty-liver-disease
#13
Eider Talavera-Urquijo, Sarai Rodríguez-Navarro, Marc Beisani, Maria Teresa Salcedo-Allende, Aisha Chakkur, Marc Arús-Avilés, Manel Cremades, Salvador Augustin, María Martell, José M Balibrea
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) is the most prevalent chronic liver disease and is found in 70% of obese people. The evidence available to date suggests that bariatric surgery could be an effective treatment by reducing weight and also by improving metabolic complications in the long term. This work aimed to compare, in a diet-induced NAFLD animal model, the effect of both sleeve gastrectomy (SG) and very-low calorie diet (VLCD). METHODS: Thirty-five Wistar rats were divided into control rats (n = 7) and obese rats fed a high-fat diet (HFD)...
July 15, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28406702/an-alternatively-activated-macrophage-marker-cd163-in-severely-obese-patients-the-influence-of-very-low-calorie-diet-and-bariatric-surgery
#14
A Cinkajzlová, Z Lacinová, J Kloučková, P Kaválková, P Trachta, M Kosák, J Krátký, M Kasalický, K DoleŽalová, M Mráz, M Haluzík
CD163 is a marker of macrophages with anti-inflammatory properties and its soluble form (sCD163) is considered a prognostic predictor of several diseases including type 2 diabetes mellitus (T2DM). We explored sCD163 levels at baseline and after very low-calorie diet (VLCD) or bariatric surgery in 32 patients with obesity (20 undergoing VLCD and 12 bariatric surgery), 32 obese patients with T2DM (22 undergoing VLCD and 10 bariatric surgery), and 19 control subjects. We also assessed the changes of CD163 positive cells of monocyte-macrophage lineage in peripheral blood and subcutaneous adipose tissue (SAT) in subset of patients...
April 12, 2017: Physiological Research
https://www.readbyqxmd.com/read/28329121/very-low-calorie-diets-for-weight-loss-in-obese-older-adults-a-randomized-trial
#15
Cilla J Haywood, Luke A Prendergast, Katrina Purcell, Lauren Le Fevre, Wen Kwang Lim, Mary Galea, Joseph Proietto
Background: Obesity contributes to disability in older adults, and this is offset by weight loss and exercise. Very Low Calorie Diets (VLCDs) achieve rapid weight loss; however, these have not been rigorously evaluated in older people. Methods: A randomized trial was conducted from August 2012 through December 2015. The intervention was 12 weeks of thrice weekly exercise combined with either healthy eating advice (Ex/HE), hypocaloric diet (Ex/Diet), or VLCD (Ex/VLCD)...
February 20, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28298393/a-role-for-leukocyte-integrins-and-extracellular-matrix-remodeling-of-adipose-tissue-in-the-risk-of-weight-regain-after-weight-loss
#16
RANDOMIZED CONTROLLED TRIAL
Nadia Jt Roumans, Roel G Vink, Parastoo Fazelzadeh, Marleen A van Baak, Edwin Cm Mariman
Background: Weight loss (WL) is often followed by weight regain after an energy-restricted dietary intervention (DI). When people are following a diet, the volume of an adipocyte decreases by loss of triglycerides, which creates stress between the cell contents and the surrounding extracellular matrix (ECM). Previously, we observed that genetic variations in ECM genes are associated with an increased risk of weight regain.Objective: We investigated the relation between the expression of ECM genes during WL and a period of weight stabilization (WS) and the risk of weight regain...
May 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28265828/liver-regeneration-is-impaired-in-mice-with-acute-exposure-to-a-very-low-carbohydrate-diet
#17
Hao Chen, Yandie Lin, Wu Sun, Yun Cai, Hao Li
BACKGROUND: The metabolic response to hepatic insufficiency has been implicated in the regulators of normal liver regeneration. Modulation of nutritional factors has been demonstrated to affect liver regeneration. Diets containing very low carbohydrate and high fat levels cause a unique metabolic state, the effect of which on liver regeneration is unknown. METHODS: Mice were placed on standard mice chow (ND) or a very low carbohydrate diet (VLCD) after 70% partial hepatectomy (PH)...
May 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28179648/diet-induced-weight-loss-decreases-adipose-tissue-oxygen-tension-with-parallel-changes-in-adipose-tissue-phenotype-and-insulin-sensitivity-in-overweight-humans
#18
R G Vink, N J Roumans, M Čajlaković, J P M Cleutjens, M V Boekschoten, P Fazelzadeh, M A A Vogel, E E Blaak, E C Mariman, M A van Baak, G H Goossens
BACKGROUND/OBJECTIVES: Although adipose tissue (AT) hypoxia is present in rodent models of obesity, evidence for this in humans is limited. Here, we investigated the effects of diet-induced weight loss (WL) on abdominal subcutaneous AT oxygen tension (pO2), AT blood flow (ATBF), AT capillary density, AT morphology and transcriptome, systemic inflammatory markers and insulin sensitivity in humans. SUBJECTS/METHODS: Fifteen overweight and obese individuals underwent a dietary intervention (DI), consisting of a 5-week very-low-calorie diet (VLCD, 500 kcal day(-1); WL), and a subsequent 4-week weight stable diet (WS)...
May 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28031781/intermittent-energy-restriction-in-type-2-diabetes-a-short-discussion-of-medication-management
#19
Sharayah Carter, Peter M Clifton, Jennifer B Keogh
AIM: To discuss type 2 diabetes mellitus (T2DM) medication changes required during the popular 5:2 intermittent energy restriction (IER) diet. METHODS: A search was conducted in MEDLINE, EMBASE, AMED, CINAHL and Cochrane library for original research articles investigating the use of very low calorie diets (VLCD) in people with T2DM. The search terms used included "VLCD" or "very low energy diet" or "very low energy restriction" or "IER" or "intermittent fasting" or "calorie restriction" or "diabetes mellitus type 2" and "type 2 diabetes"...
December 15, 2016: World Journal of Diabetes
https://www.readbyqxmd.com/read/27898428/beneficial-effects-of-a-dietary-weight-loss-intervention-on-human-gut-microbiome-diversity-and-metabolism-are-not-sustained-during-weight-maintenance
#20
Femke-Anouska Heinsen, Daniela Fangmann, Nike Müller, Dominik M Schulte, Malte C Rühlemann, Kathrin Türk, Ute Settgast, Wolfgang Lieb, John F Baines, Stefan Schreiber, Andre Franke, Matthias Laudes
OBJECTIVE: In the present study, we examined the effect of a very low-calorie diet(VLCD)-based obesity program on human gut microbiome diversity and metabolism during weight loss and weight maintenance. METHODS: Obese subjects underwent 3 months of VLCD followed by 3 months of weight maintenance. A lean and an obese control group were included. The microbiome was characterized by performing high-throughput dual-indexed 16S rDNA amplicon sequencing. RESULTS: At baseline, a significant difference in the Firmicutes/Bacteroidetes ratio between the lean and obese individuals was observed (p = 0...
2016: Obesity Facts
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