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https://www.readbyqxmd.com/read/28528109/the-hypoglycemic-effects-of-guava-leaf-psidium-guajava-l-extract-are-associated-with-improving-endothelial-dysfunction-in-mice-with-diet-induced-obesity
#1
Elixabet Díaz-de-Cerio, Alba Rodríguez-Nogales, Francesca Algieri, Miguel Romero, Vito Verardo, Antonio Segura-Carretero, Juan Duarte, Julio Galvez
Obesity is associated with a low-grade inflammatory status that affects vascular function. Previous studies have reported the beneficial effects of Psidium guajava L. (guava) on diabetes. Here we evaluate the how guava leaf extract at the dose of 5 mg/kg, affects vascular dysfunction in obese mice fed a high-fat diet for 7 weeks. Extract intake did not alter weight over time, although it reduced glycemia and insulin resistance, improving the serum lipid profile in obese mice. Additionally, guava leaf extract reversed the endothelial dysfunction found in obese mice in terms of endothelium- and NO (nitric oxide)-dependent vasodilatation induced by acetylcholine in aortic rings...
June 2017: Food Research International
https://www.readbyqxmd.com/read/28527798/short-communication-effect-of-a-citrus-extract-in-lactating-dairy-cows
#2
Y Ying, M Niu, A R Clarke, K J Harvatine
Dry matter intake is a main driver of energy balance in lactating dairy cows, and some plant extracts have been commercially fed to dairy cows to stimulate feed intake. Citrus extracts contain several bioactive components and have been shown to modify metabolism in other animal models. Our hypothesis was that a citrus extract would increase dry matter intake. Two experiments were conducted to determine the effect of a citrus extract on intake and milk production in lactating dairy cows. In experiment one, 11 early-lactation dairy cows (experiment 1; 77 ± 15 d in milk, mean ± standard deviation) were used in a switchback design, and in experiment two, 15 mid-lactation Holstein cows (experiment 2; 157 ± 44 d in milk, mean ± standard deviation) were used in a crossover design...
May 17, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28527155/status-of-laparoscopic-sleeve-gastrectomy-in-china-a-national-survey
#3
Shibo Lin, Wei Guan, Pankaj Hans, Hui Liang
BACKGROUND: Laparoscopic sleeve gastrectomy (LSG) is a favorable bariatric procedure. This study evaluated the status of LSG in China. METHODS: During the 4(th) International Forum of Bariatric and Metabolic Surgery in May 2016, Nanjing China, an on-the-spot questionnaire was filled out by 105 attending surgeons with experience of LSG. The feedback data was collected and analyzed. RESULTS: For preoperative preparations, surgeons preferred blood glucose control with insulin (61...
May 19, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28526479/foxo-mediates-the-timing-of-pupation-through-regulating-ecdysteroid-biosynthesis-in-the-red-flour-beetle-tribolium-castaneum
#4
Xianyu Lin, Na Yu, Guy Smagghe
The steroid hormone 20-hydroxyecdysone (20E), the major developmental hormone in insects, controls all the developmental transitions including ecdysis and metamorphosis. In our study with last larval stages of the red flour beetle, Tribolium castaneum, dsRNA-mediated gene silencing of Forkhead box protein O (FoxO) resulted in reduced food intake and larval mass and this agreed with a reduction in the expression of insulin signaling-related genes (insulin-like peptides 2, 3, 4, and chico). Interestingly, we also observed a significant delay in the moment of the pupation and these FoxO-silenced larvae then died at the middle pupal stage...
May 16, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28526377/orange-juice-allied-to-a-reduced-calorie-diet-results-in-weight-loss-and-ameliorates-obesity-related-biomarkers-a-randomized-controlled-trial
#5
Carolina Ribeiro, Grace Dourado, Thais Cesar
OBJECTIVE: Assumptions have linked orange juice (OJ) consumption with weight gain and adverse effects on health due to its sugar content; however, epidemiologic studies have not shown increased risk for overweight or obesity with the consumption of 100% OJ. The aim of this study was to verify whether the combination of a reduced-calorie diet (RCD) and 100% OJ contribute to weight loss, promote changes in glucose and lipid metabolism, and improve diet quality in obese individuals. METHODS: A randomized controlled trial with 78 obese patients (age 36 ± 1 y, body mass index [BMI] 33 ± 3 kg/m(2)) were enrolled in two groups: Individuals in the OJ group submitted to an RCD that included OJ (500 mL/d), and individuals in the control group submitted to an RCD without OJ...
June 2017: Nutrition
https://www.readbyqxmd.com/read/28526258/sleep-duration-and-the-associated-cardiometabolic-risk-scores-in-adults
#6
Thirumagal Kanagasabai, Jean-Philippe Chaput
OBJECTIVES: To identify the sleep duration associated with the lowest cardiometabolic risk score in adults and to determine if the association varies by subgroups (eg, sex, age groups, ethnicity, and smoking status). DESIGN: Cross-sectional data from the 2005-2012 National Health and Nutrition Examination Survey. SETTING: Non-institutionalized civil sample from the United States. PARTICIPANTS: Age ≥20 y (N=8827) with sleep and cardiometabolic health data...
June 2017: Sleep Health
https://www.readbyqxmd.com/read/28521684/the-role-of-diet-in-patients-with-metabolic-syndrome
#7
Paloma Almeda-Valdes, Roberto J Herrera-Mercadillo, Carlos A Aguilar-Salinas, Misael Uribe, Nahum Méndez-Sánchez
Metabolic syndrome is a frequent metabolic disorder characterized by obesity and insulin resistance seems to be the main pathophysiological alteration. The goal of treating metabolic syndrome is to reduce the risk of coronary heart disease and the development of type 2 diabetes. The lifestyle modification therapy combines specific recommendations on diet alone or combined with other strategies. In this review, we address the following topics: 1) the importance of the high prevalence of metabolic syndrome and obesity, and 2) the role of lifestyle modification focusing on dietary fat intake in the management of MS...
May 17, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28521681/effects-of-diets-on-adipose-tissue
#8
Silvia Ezquerro, Amaia Rodríguez, Piero Portincasa, Gema Frühbeck
Obesity is a major health problem that has become a global epidemic. Overweight and obesity are commonly associated with the development of several pathologies, such as insulin resistance, cardiovascular diseases, sleep apnea and several types of cancer, which can lead to further morbidity and mortality. An increased abdominal adiposity renders overweight and obese individuals more prone to metabolic and cardiovascular problems. In this sense, excess adiposity leads to several changes in the biology, morphology and function of the adipose tissue, such as adipocyte hypertrophy and hyperplasia, adipose tissue inflammation and fibrosis and an impaired secretion of adipokines, contributing to the onset of obesity-related co-morbidities...
May 17, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28516218/a-high-fat-diet-can-affect-bone-healing-in-growing-rats
#9
Jéssica Suzuki Yamanaka, Gabriela Rezende Yanagihara, Bruna Leonel Carlos, Júnia Ramos, Brígida Batista Brancaleon, Ana Paula Macedo, João Paulo Mardegan Issa, Antônio Carlos Shimano
A high-fat diet (HFD) can have a negative effect on bone quality in young and old people. Although bone healing in children is normally efficient, there is no evidence that children who have a diet rich in fat have compromised bone fracture regeneration compared with children with recommended dietary fat levels. The purpose of the present study was to evaluate the effects of an HFD on bone healing in growing female rats. Twenty-six postweaning female Wistar rats were divided into two groups (13 animals per group): a standard diet (SD) group and an HFD (with 60% of energy from fat) group...
May 17, 2017: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/28515064/genetics-of-serum-carotenoid-concentrations-and-their-correlation-with-obesity-related-traits-in-mexican-american-children
#10
Vidya S Farook, Lavanya Reddivari, Srinivas Mummidi, Sobha Puppala, Rector Arya, Juan Carlos Lopez-Alvarenga, Sharon P Fowler, Geetha Chittoor, Roy G Resendez, Birunda Mohan Kumar, Anthony G Comuzzie, Joanne E Curran, Donna M Lehman, Christopher P Jenkinson, Jane L Lynch, Ralph A DeFronzo, John Blangero, Daniel E Hale, Ravindranath Duggirala, Jairam Kp Vanamala
Background: Dietary intake of phytonutrients present in fruits and vegetables, such as carotenoids, is associated with a lower risk of obesity and related traits, but the impact of genetic variation on these associations is poorly understood, especially in children.Objective: We estimated common genetic influences on serum carotenoid concentrations and obesity-related traits in Mexican American (MA) children.Design: Obesity-related data were obtained from 670 nondiabetic MA children, aged 6-17 y. Serum α- and β-carotenoid concentrations were measured in ∼570 (α-carotene in 565 and β-carotene in 572) of these children with the use of an ultraperformance liquid chromatography-photodiode array...
May 17, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28513533/deleterious-metabolic-effects-of-high-fructose-intake-the-preventive-effect-of-lactobacillus-kefiri-administration
#11
María Guillermina Zubiría, Sabrina Eliana Gambaro, María Amanda Rey, Paula Carasi, María de Los Ángeles Serradell, Andrés Giovambattista
Modern lifestyle and diets have been associated with metabolic disorders and an imbalance in the normal gut microbiota. Probiotics are widely known for their health beneficial properties targeting the gut microbial ecosystem. The aim of our study was to evaluate the preventive effect of Lactobacillus kefiri (L. kefiri) administration in a fructose-rich diet (FRD) mice model. Mice were provided with tap water or fructose-added (20% w/v) drinking water supplemented or not with L. kefiri. Results showed that probiotic administration prevented weight gain and epidydimal adipose tissue (EAT) expansion, with partial reversion of the adipocyte hypertrophy developed by FRD...
May 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28511733/similarities-and-interactions-between-the-ageing-process-and-high-chronic-intake-of-added-sugars
#12
Eva Gatineau, Sergio Polakof, Dominique Dardevet, Laurent Mosoni
In our societies, the proportions of elderly people and of obese individuals are increasing. Both factors are associated with high health-related costs. During obesity, many authors suggest that it is a high chronic intake of added sugars (HCIAS) that triggers the shift towards pathology. However, the majority of studies were performed in young subjects and only a few were interested in the interaction with the ageing process. Our purpose was to discuss the metabolic effects of HCIAS, compare with the effects of ageing, and evaluate how deleterious the combined action of HCIAS and ageing could be...
May 17, 2017: Nutrition Research Reviews
https://www.readbyqxmd.com/read/28509408/insulin-associated-weight-gain-in-obese-type-2-diabetes-mellitus-patients-what-can-be-done
#13
REVIEW
Adrian Brown, Nicola Guess, Anne Dornhorst, Shahrad Taheri, Gary Frost
Insulin therapy (IT) is initiated for patients with type 2 diabetes mellitus when glycaemic targets are not met with diet and other hypoglycaemic agents. The initiation of IT improves glycaemic control and reduces the risk of microvascular complications. There is, however, an associated weight gain following IT, which may adversely affect diabetic and cardiovascular morbidity and mortality. A 3 to 9 kg insulin associated weight gain (IAWG) is reported to occur in the first year of initiating IT, consisting predominantly of adipose tissue...
May 16, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28508276/effects-of-sleeve-gastrectomy-on-serum-12%C3%AE-hydroxylated-bile-acids-in-a-diabetic-rat-model
#14
Minggang Wang, Qunzheng Wu, Haibin Xie, Yi Shao, Mingwei Zhong, Xiang Zhang, Shaozhuang Liu, Xiao He, Sanyuan Hu, Guangyong Zhang
BACKGROUND: Diabetes mellitus is a prevalent disease that endangers human health. Bariatric surgery can effectively relieve insulin resistance with elevated serum bile acids (BAs). 12α-Hydroxylated BAs were previously reported to be associated with insulin resistance. The aim of this study was to analyze changes in 12α-hydroxylated BA composition and possible associated mechanisms in diabetic rats following sleeve gastrectomy (SG). METHODS: SG and sham operations were performed in diabetic rats induced by high-fat diet feeding and streptozotocin...
May 15, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28504618/butyrate-reduces-high-fat-diet-induced-metabolic-alterations-hepatic-steatosis-and-pancreatic-beta-cell-and-intestinal-barrier-dysfunctions-in-prediabetic-mice
#15
V A Matheus, Lcs Monteiro, R B Oliveira, D A Maschio, C B Collares-Buzato
In this study, we investigated the effect of diet supplementation with sodium butyrate (5% w/w), a short-chain fatty acid produced by the intestinal microbiota, on metabolic parameters, body adiposity, hepatic and pancreatic lipid accumulation, beta cell function/mass as well as on the structure and function of the tight junction-mediated intestinal epithelial barrier in both normal and obese/prediabetic C57 mice fed a regular (control) or high-fat diet for 60 days, respectively. Butyrate treatment significantly inhibited all the high-fat-induced metabolic dysfunctions evaluated, i...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28503414/adult-onset-deletion-of-the-prader-willi-syndrome-susceptibility-gene-snord116-in-mice-results-in-reduced-feeding-and-increased-fat-mass
#16
Louise Purtell, Yue Qi, Lesley Campbell, Amanda Sainsbury, Herbert Herzog
BACKGROUND: The imprinted small nucleolar RNA (snoRNA) Snord116 is implicated in the aetiology of Prader-Willi syndrome (PWS), a disease associated with hyperphagia and obesity. Germline deletion of Snord116 in mice has been found to lead to increased food intake but not to the development of obesity. To determine the role of Snord116 independent of potential compensatory developmental factors, we investigated the effects of conditional adult-onset deletion of Snord116 in mice. METHODS: Deletion of Snord116 was induced at 8 weeks of age by oral administration of tamoxifen to male Snord(lox/lox); ROSA(cre/+) mice, with vehicle-treated mice used as controls...
April 2017: Translational pediatrics
https://www.readbyqxmd.com/read/28502695/selective-activation-of-estrogen-receptor-%C3%AE-activation-function-1-is-sufficient-to-prevent-obesity-steatosis-and-insulin-resistance-in-mouse
#17
Maeva Guillaume, Sandra Handgraaf, Aurélie Fabre, Isabelle Raymond-Letron, Elodie Riant, Alexandra Montagner, Alexia Vinel, Melissa Buscato, Natalia Smirnova, Coralie Fontaine, Hervé Guillou, Jean-François Arnal, Pierre Gourdy
Estrogen receptor α (ERα) regulates gene transcription through two activation functions (ERα-AF1 and ERα-AF2). We recently found that the protection conferred by 17β-estradiol against obesity and insulin resistance requires ERα-AF2 but not ERα-AF1. However, the interplay between the two ERα-AFs is poorly understood in vivo and the metabolic influence of a specific ERα-AF1 action remains to be explored. To this end, wild-type, ERα-deficient, or ERα-AF1-deficient ovariectomized female mice were fed a high-fat diet and concomitantly administered with vehicle or tamoxifen, a selective ER modulator that acts as a ERα-AF1 agonist/ERα-AF2 antagonist...
June 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28501410/effects-of-dietary-energy-allowance-and-decline-in-dry-matter-intake-during-the-dry-period-on-responses-to-glucose-and-insulin-in-transition-dairy-cows
#18
S Salin, A Vanhatalo, K Elo, J Taponen, R C Boston, T Kokkonen
We assessed whether high energy intake during the early dry period [144% of metabolizable energy (ME) requirements/d] followed by a gradual restriction of energy intake in the close-up dry period (119% of ME/d; HEI) impaired whole-body insulin sensitivity compared with a controlled energy intake (100% of ME/d; CEI) throughout the 6-wk dry period. Multiparous Ayrshire dairy cows (n = 16) were blocked by body weight, body condition score, and expected date of parturition and were used in a randomized complete block design until 10 d after parturition...
May 10, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28501397/effect-of-conjugated-linoleic-acid-and-acetate-on-milk-fat-synthesis-and-adipose-lipogenesis-in-lactating-dairy-cows
#19
N Urrutia, K J Harvatine
During biohydrogenation-induced milk fat depression (MFD), nutrients are spared from milk fat synthesis and are available for other metabolic uses. Acetate is the major carbon source spared and it may increase lipid synthesis in adipose tissue during MFD. The objective of this study was to compare the effect of trans-10, cis-12 conjugated linoleic acid (CLA) and the amount of acetate spared during CLA-induced MFD on adipose tissue lipogenesis. Nine multiparous, lactating, ruminally cannulated Holstein cows (244 ± 107 d in milk; 25 ± 8...
May 10, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28501343/changes-of-renal-sinus-fat-and-renal-parenchymal-fat-during-an-18-month-randomized-weight-loss-trial
#20
Hila Zelicha, Dan Schwarzfuchs, Ilan Shelef, Yftach Gepner, Gal Tsaban, Lilac Tene, Anat Yaskolka Meir, Avital Bilitzky, Oded Komy, Noa Cohen, Nitzan Bril, Michal Rein, Dana Serfaty, Shira Kenigsbuch, Yoash Chassidim, Benjamin Sarusi, Joachim Thiery, Uta Ceglarek, Michael Stumvoll, Matthias Blüher, Yosef S Haviv, Meir J Stampfer, Assaf Rudich, Iris Shai
BACKGROUND & AIMS: Data regarding the role of kidney adiposity, its clinical implications, and its dynamics during weight-loss are sparse. We investigated the effect of long-term weight-loss induced intervention diets on dynamics of renal-sinus-fat, an ectopic fat depot, and %renal-parenchymal-fat, lipid accumulation within the renal parenchyma. METHODS: We randomized 278 participants with abdominal obesity/dyslipidemia to low-fat or Mediterranean/low-carbohydrate diets, with or without exercise...
May 2, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
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