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https://www.readbyqxmd.com/read/28713285/amiloride-improves-endothelial-function-and-reduces-vascular-stiffness-in-female-mice-fed-a-western-diet
#1
Luis A Martinez-Lemus, Annayya R Aroor, Francisco I Ramirez-Perez, Guanghong Jia, Javad Habibi, Vincent G DeMarco, Brady Barron, Adam Whaley-Connell, Ravi Nistala, James R Sowers
Obese premenopausal women lose their sex related cardiovascular disease protection and develop greater arterial stiffening than age matched men. In female mice, we have shown that consumption of a Western diet (WD), high in fat and refined sugars, is associated with endothelial dysfunction and vascular stiffening, which occur via activation of mineralocorticoid receptors and associated increases in epithelial Na(+) channel (ENaC) activity on endothelial cells (EnNaC). Herein our aim was to determine the effect that reducing EnNaC activity with a very-low-dose of amiloride would have on decreasing endothelial and arterial stiffness in young female mice consuming a WD...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28701250/the-ketogenic-diet-making-a-comeback
#2
Thomas Walczyk, Jeannette Y Wick
Americans have embraced a large number of diets in an attempt to manage obesity, improve quality of life, and address specific health problems. Among diets developed to address health problems, the ketogenic diet has had a long and variable history. Developed in the 1920s by a faith healer to help children with epilepsy, this diet induces a state that mimics carbohydrate starvation. As medications became available and effectively addressed seizures, the diet fell out of favor. During the last few decades, researchers and clinicians have learned that it can be useful in children and adults with refractory epilepsy and a variety of other conditions...
July 1, 2017: Consultant Pharmacist: the Journal of the American Society of Consultant Pharmacists
https://www.readbyqxmd.com/read/28651330/rosiglitazone-improves-insulin-resistance-mediated-by-10-12-conjugated-linoleic-acid-in-a-male-mouse-model-of-metabolic-syndrome
#3
Shari Wang, Leela Goodspeed, Katherine E Turk, Barbara Houston, Laura J den Hartigh
Trans-10, cis-12 conjugated linoleic acid (10,12 CLA) is a dietary fatty acid that promotes weight loss and disproportionate fat loss. Obese mice fed a high fat high sucrose (HFHS) diet containing 10,12 CLA are resistant to weight gain and contain markedly reduced subcutaneous fat and adiponectin, with a concurrent lack of improvement in insulin sensitivity despite significant weight loss. Taken together, 10,12 CLA promotes a phenotype resembling PPARγ antagonism. Since thiazolidinediones such as rosiglitazone (Rosi) are used clinically to improve insulin sensitivity by activating PPARγ, with particular efficacy in subcutaneous white adipose tissue, we hypothesized that Rosi would improve glucose metabolism in mice losing weight with 10,12 CLA...
June 23, 2017: Endocrinology
https://www.readbyqxmd.com/read/28642607/tumour-metabolism-losing-that-remaining-fat
#4
Anna Dart
No abstract text is available yet for this article.
June 23, 2017: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/28623225/high-peripheral-temperatures-in-king-penguins-while-resting-at-sea-thermoregulation-versus-fat-deposition
#5
Agnes Lewden, Manfred R Enstipp, Baptiste Picard, Tessa van Walsum, Yves Handrich
Marine endotherms living in cold water face an energetically challenging situation. Unless properly insulated these animals will lose heat rapidly. The field metabolic rate of king penguins at sea is about twice that on land. However, when at sea, their metabolic rate is higher during extended resting periods at the surface than during foraging, when birds descend to great depth in pursuit of their prey. This is most likely explained by differences in thermal status. During foraging peripheral vasoconstriction leads to a hypothermic shell, which is rewarmed during extended resting bouts at the surface...
June 16, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28616819/-safe-foods-or-fear-foods-the-implications-of-food-avoidance-in-college-students-from-low-and-middle-income-countries
#6
C James, A Harrison, A Seixas, M Powell, S Pengpid, K Peltzer
PURPOSE: The primary objective of this study was to explore if self-reported food avoidance (fats, carbohydrates and protein) exists among college students in low- and middle-income countries (LMICs) and its relationship with body mass index (BMI), dieting, mood/anxiety symptoms, physical activities and general health knowledge. METHODS: This study is a subset (N = 6096) of a larger 26 LMICs cross-sectional survey, which consisted of 21,007 college students. We ascertained socio-demographic information, food avoidance, physical activities, dieting behaviours, depressive and PTSD symptoms, and recorded anthropometric measurements...
June 14, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/28608850/cellular-senescence-drives-age-dependent-hepatic-steatosis
#7
Mikolaj Ogrodnik, Satomi Miwa, Tamar Tchkonia, Dina Tiniakos, Caroline L Wilson, Albert Lahat, Christoper P Day, Alastair Burt, Allyson Palmer, Quentin M Anstee, Sushma Nagaraja Grellscheid, Jan H J Hoeijmakers, Sander Barnhoorn, Derek A Mann, Thomas G Bird, Wilbert P Vermeij, James L Kirkland, João F Passos, Thomas von Zglinicki, Diana Jurk
The incidence of non-alcoholic fatty liver disease (NAFLD) increases with age. Cellular senescence refers to a state of irreversible cell-cycle arrest combined with the secretion of proinflammatory cytokines and mitochondrial dysfunction. Senescent cells contribute to age-related tissue degeneration. Here we show that the accumulation of senescent cells promotes hepatic fat accumulation and steatosis. We report a close correlation between hepatic fat accumulation and markers of hepatocyte senescence. The elimination of senescent cells by suicide gene-meditated ablation of p16(Ink4a)-expressing senescent cells in INK-ATTAC mice or by treatment with a combination of the senolytic drugs dasatinib and quercetin (D+Q) reduces overall hepatic steatosis...
June 13, 2017: Nature Communications
https://www.readbyqxmd.com/read/28606271/-bone-marrow-derived-fibrocytes-and-thyroid-associated-opthalmopathy
#8
T Wu, D R Tang, F Y Sun
Thyroid-associated opthalmopathy(TAO) is a common autoimmune syndrome affecting the thyroid and orbit, which can result in the fibrosis of extraoular muscles and hyperplasia of adipose tissue. Advanced TAO patients could even lose vision caused by cornea ulcer and congestion of optic nerve from expansion of the extraocular muscles and orbit fat. Currently, there are no therapies shown to prevent it, because its cellular and molecular mechanisms are not clear. Some studies have recently implicated bone marrow-derived fibroblast-like, called fibrocytes are involved in the pathogenesis of TAO...
June 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28604513/severe-sarcopenia-and-increased-fat-stores-in-pediatric-patients-with-liver-kidney-or-intestine-failure
#9
Richard S Mangus, Weston J Bush, Chandrashekhar A Kubal, Christina Miller
OBJECTIVES: Malnutrition and wasting predict clinical outcomes in children with severe chronic illness. Objectively calculated malnutrition in children with end-stage organ failure has not been well studied. This analysis compares children with kidney, liver or intestine failure to healthy controls to quantitate the disparity in muscle and fat stores. METHODS: Children younger than age 19 with end stage liver, kidney or intestine failure and with pre-transplant computed tomography (CT) imaging were selected from the transplant database...
June 9, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28582816/dietary-behaviours-weight-loss-attempts-and-change-in-waist-circumference-15-year-longitudinal-study-in-australian-adults
#10
Simin Arabshahi, Petra H Lahmann, Maria Cb Hughes, Gail W Williams, Jolieke C van der Pols
BACKGROUND AND OBJECTIVES: Dietary behaviours are suitable as clearly identifiable targets of dietary counselling to prevent weight gain. We therefore investigated associations between dietary behaviours, weight loss attempts and waist circumference change. METHODS AND STUDY DESIGN: Participants were a community-based sample population residing in Nambour, Australia, including 1,317 adults, aged 25-75 years at baseline. Waist circumference was measured in 1992 and 2007, and dietary behaviours data were derived concurrently from repeated self-completed short dietary questions...
2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28570612/caveolin1-protects-against-diet-induced-hepatic-lipid-accumulation-in-mice
#11
Meng Li, Dahua Chen, Haixiu Huang, Jiewei Wang, Xingyong Wan, Chengfu Xu, Chunxiao Li, Han Ma, Chaohui Yu, Youming Li
BACKGROUND AND AIM: Caveolin1 (CAV1) is involved in lipid homeostasis and endocytosis, but little is known about the significance of CAV1 in the pathogenesis and development of nonalcoholic fatty liver disease (NAFLD). This study aimed to determine the role of CAV1 in NAFLD. METHODS: Expression of CAV1 in the in vitro and in vivo models of NAFLD was analyzed. The effects of CAV1 knockdown or overexpression on free fatty acid (FFA)-induced lipid accumulation in L02 cells and AML12 cells were determined...
2017: PloS One
https://www.readbyqxmd.com/read/28561278/the-effects-of-testosterone-on-body-composition-in-obese-men-are-not-sustained-after-cessation-of-testosterone-treatment
#12
Mark Ng Tang Fui, Rudolf Hoermann, Jeffrey D Zajac, Mathis Grossmann
BACKGROUND: Testosterone treatment in obese dieting men augments the diet-associated loss of fat mass, but protects against loss of lean mass. We assessed whether body composition changes are maintained following withdrawal of testosterone treatment. METHODS: We conducted a prespecified double-blind randomized placebo-controlled observational follow-up study of a randomized controlled trial (RCT). Participants were men with baseline obesity (body mass index >30 kg/m(2) ) and a repeated total testosterone level <12 nmol/L, previously enrolled in a 56-week testosterone treatment trial combined with a weight loss programme...
May 31, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28558160/randomized-trial-reveals-that-physical-activity-and-energy-expenditure-are-associated-with-weight-and-body-composition-after-rygb
#13
Elvis Alvarez Carnero, Gabriel S Dubis, Kazanna C Hames, John M Jakicic, Joseph A Houmard, Paul M Coen, Bret H Goodpaster
OBJECTIVE: This study investigated the associations of both physical activity time (PA) and energy expenditure (EE) with weight and fat mass (FM) loss in patients following Roux-en-Y gastric bypass (RYGB) surgery. METHODS: Ninety-six nondiabetic patients were included in this analysis. Post-RYGB patients were randomized in one of two treatments: A 6-month exercise training program (RYBG+EX) or lifestyle educational classes (RYGB). Body composition was assessed by dual-energy X-ray absorptiometry and computed tomography...
July 2017: Obesity
https://www.readbyqxmd.com/read/28545937/treatment-of-nafld-with-diet-physical-activity-and-exercise
#14
REVIEW
Manuel Romero-Gómez, Shira Zelber-Sagi, Michael Trenell
Lifestyle intervention can be useful across all the spectrum of NAFLD patients. Losing weight decreases cardiovascular / diabetes risk and also regresses liver disease. Weight reductions of ≥ 10% are required for inducing near universal NASH resolution or fibrosis improvement by at least one stage. However, modest weight losses (>5%) also produce important benefits on NAS and its components. In addition, to improve the success of this intervention we need to explore, beyond total calories and type of weight loss diet, the role of micro and macronutrients, evidence-based benefits of physical activity and exercise and finally supporting these modifications through established behaviour change models and techniques...
May 22, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28545315/relationship-between-sleep-pattern-and-efficacy-of-calorie-restricted-mediterranean-diet-in-overweight-obese-subjects
#15
Giuditta Pagliai, Monica Dinu, Alessandro Casini, Francesco Sofi
The association between the sleep pattern and the effectiveness of a calorie-restricted Mediterranean diet in people with overweight/obesity has been investigated in this study. Four hundred and three subjects were provided with a calorie-restricted Mediterranean diet and followed for 9 months. Personal information, including sleep pattern, was obtained at the baseline. Body weight and composition were measured every 3 months. Poor sleepers reported to have significantly (p < .05) higher BMI and fat mass percentage than good sleepers...
May 25, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28540024/bilateral-serous-macular-elevation-associated-with-lupus-protein-losing-enteropathy
#16
Angela Hiu Yan Wong, Stephen Tak Lun Li, Chi Kin Ho, Po Fat Yiu
No abstract text is available yet for this article.
April 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28497511/effects-of-medical-trainees-weight-loss-history-on-perceptions-of-patients-with-obesity
#17
Rebecca L Pearl, Dallas Argueso, Thomas A Wadden
CONTEXT: Medical professionals often express weight-biased attitudes. Prior research suggests that people who overcome a challenge are critical of individuals who struggle to overcome the same challenge. Thus, medical trainees who have successfully achieved and maintained weight loss may express greater weight bias and more critical attitudes toward patients with obesity who fail to overcome these challenges. OBJECTIVES: This study was designed to determine the effects of medical trainees' weight-loss history on weight-biased attitudes and responses to patients with varying weight-loss outcomes...
May 11, 2017: Medical Education
https://www.readbyqxmd.com/read/28479016/the-impact-of-rate-of-weight-loss-on-body-composition-and-compensatory-mechanisms-during-weight-reduction-a-randomized-control-trial
#18
Sílvia Ribeiro Coutinho, Emilie With, Jens F Rehfeld, Bård Kulseng, Helen Truby, Cátia Martins
BACKGROUND & AIMS: Rapid weight loss (WL) has been associated with a larger loss of fat free mass and a disproportional reduction in resting metabolic rate (RMR), but the evidence is inconclusive. We aimed to evaluate the impact of WL rate on body composition and compensatory mechanisms activated with WL (reduced RMR, increased exercise efficiency (ExEff) and appetite), both during negative and neutral energy balance (EB). METHODS: Thirty-five participants with obesity were randomized to lose a similar weight rapidly (4 weeks) or gradually (8 weeks), and afterwards to maintain it (4 weeks)...
April 25, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28434744/a-prospective-cohort-study-of-digital-cushion-and-corium-thickness-part-1-associations-with-body-condition-lesion-incidence-and-proximity-to-calving
#19
R F Newsome, M J Green, N J Bell, N J Bollard, C S Mason, H R Whay, J N Huxley
Claw horn disruption lesions (CHDL) are a major cause of lameness in dairy cattle and are likely a result of excessive forces being applied to the germinal epithelium that produces the claw horn. The digital cushion is a connective tissue structure, containing depots of adipose tissue, that sits beneath the distal phalanx and has been shown to be thicker in fatter cows. Body condition score (BCS) loss is a risk factor for CHDL, and one possible explanation is that fat is mobilized from the digital cushion during negative energy balance, causing the digital cushion to thin and lose force-dissipating capacity, leading to disruption of claw horn growth...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28415067/effect-of-whey-protein-in-conjunction-with-a-caloric-restricted-diet-and-resistance-training
#20
Wesley D Dudgeon, Elizabeth P Kelley, Timothy P Scheett
Dudgeon, WD, Kelley, EP, and Scheett, TP. Effect of whey protein in conjunction with a caloric-restricted diet and resistance training. J Strength Cond Res 31(5): 1353-1361, 2017-Caloric-restricted weight loss, especially rapid weight loss, results from a decrease in both lean and fat mass (FM). The goal for many is to lose FM while retaining lean body mass (LBM) and muscular performance thus many turn to supplements. Sixteen resistance-trained men (24 ± 1.6 years of age) completed a 4 d·wk body building style split resistance training program for 8 weeks in conjunction with a pre-exercise, periexercise, and postexercise ingestion of whey protein (WHEY) nutritional supplement or carbohydrate (CON)-based nutritional supplement...
May 2017: Journal of Strength and Conditioning Research
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