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Arash Tondhoosh, Aziz Homayouni Rad, Hamid Hosseinoghli
BACKGROUND: Individual factors, which interfere in the continuous churning, were manipulated to enhance the rheological properties and chemical composition of butter. This process leads to achieve softer; more spreadable, and ultimately healthier product for consumers. In addition it could prevent hardening of texture especially in winter. METHODS: Firstly, Pasteurized cream with different fat contents (40 & 45% fat) was passed through heat treatments, and then it was injected to a continuous churn...
October 13, 2016: Recent Patents on Food, Nutrition & Agriculture
Joon Kyungjoon Lim, Sandra Burke, Geoffrey Head
OBJECTIVE: Obesity during pregnancy is associated with a greater risk of developing hypertension in the offspring. Plasma leptin levels correlate strongly with blood pressure and renal sympathetic nerve activity (RSNA). The ventromedial hypothalamus (VMH) is a key centre of energy homeostasis, haemodynamic and sympathetic tone to renal vasculature. It is possible that exposure to over-nutrition during development change the activity of the neurons, amplifying sympathetic output leading to hypertension in the offspring...
September 2016: Journal of Hypertension
Jean-Francois Landrier, Elnaz Kasiri, Esma Karkeni, Johanna Mihály, Gabriella Béke, Kathrin Weiss, Renata Lucas, Gamze Aydemir, Jérome Salles, Stéphane Walrand, Angel R de Lera, Ralph Rühl
Adiponectin is an adipocyte-derived adipokine with potent antidiabetic, anti-inflammatory, and antiatherogenic activity. Long-term, high-fat diet results in gain of body weight, adiposity, further inflammatory-based cardiovascular diseases, and reduced adiponectin secretion. Vitamin A derivatives/retinoids are involved in several of these processes, which mainly take place in white adipose tissue (WAT). In this study, we examined adiponectin expression as a function of high dietary fat and high vitamin A conditions in mice...
October 11, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
Chelsea Anderson, Ginger L Milne, Dale P Sandler, Hazel B Nichols
Higher levels of oxidative stress, as measured by F2-isoprostanes, have been associated with chronic diseases such as CVD and some cancers. Improvements in diet and physical activity may help reduce oxidative stress; however, previous studies regarding associations between lifestyle factors and F2-isoprostane concentrations have been inconsistent. The aim of this cross-sectional study was to investigate whether physical activity and intakes of fruits/vegetables, antioxidant nutrients, dietary fat subgroups and alcohol are associated with concentrations of F2-isoprostane and the major F2-isoprostane metabolite...
October 2016: British Journal of Nutrition
Najat Yahia, Carrie A Brown, Melyssa Rapley, Mei Chung
BACKGROUND: Intake of saturated fat, trans fat, and cholesterol has been associated with increased risk of coronary heart disease. The aim of this study was to explore whether increased nutrition knowledge is associated with a reduction in the consumption of unhealthy fats in a sample of university students. METHODS: A sample of 231 students, with a mean age of 20 years, was recruited from university campus during spring 2012. Students completed a validated questionnaire related to students' demographic, nutrition knowledge, and daily fat consumption...
October 4, 2016: BMC Public Health
Øivind Midttun, Adrian McCann, Ove Aarseth, Marit Krokeide, Gry Kvalheim, Klaus Meyer, Per Magne Ueland
Targeted metabolic profiling characterized by complementary platforms, multiplexing and low volume consumption are increasingly used for studies using biobank material. Using liquid-liquid extraction, we developed a sample workup suitable for quantification of 6 fat- and 26 water-soluble biomarkers. 50μL of serum/plasma was mixed with dithioerythritol, ethanol and isooctane/chloroform. The organic layer was used for analysis of the fat-soluble vitamins all-trans retinol (A), 25-hydroxyvitamin D2, 25-hydroxyvitamin D3, α-tocopherol (E), γ-tocopherol (E) and phylloquinone (K1) by LC-MS/MS...
October 7, 2016: Analytical Chemistry
Yan Liu, Ying Wang, Yong Zhang, Tao Liu, Haiqun Jia, Huafei Zou, Qiangwei Fu, Yuhan Zhang, Lucy Lu, Elizabeth Chao, Holly Parker, Van Nguyen-Tran, Weijun Shen, Danling Wang, Peter G Schultz, Feng Wang
Recent studies have suggested that modulation of two or more signaling pathways can achieve substantial weight loss and glycemic stability. We have developed an approach to the generation of bifunctional antibody agonists that activate leptin receptor and GLP-1 receptor. Leptin was fused into the complementarity determining region 3 loop of the light chain alone, or in combination with exendin-4 (EX4) fused at the N-terminus of the heavy chain of Herceptin. The antibody fusions exhibit similar or increased in vitro activities on their cognate receptors, but 50-100-fold longer circulating half-lives in rodents compared to the corresponding native peptides/proteins...
October 5, 2016: ACS Chemical Biology
Maria Angela Guzzardi, Patricia Iozzo, Minna K Salonen, Eero Kajantie, Riikka Airaksinen, Hannu Kiviranta, Panu Rantakokko, Johan Gunnar Eriksson
As the population ages, the occurrence of chronic pathologies becomes more common. Leukocyte telomere shortening associates to ageing and age-related diseases. Recent studies suggest that environmental chemicals can affect telomere length. Persistent organic pollutants (POPs) are most relevant, since they are ingested with foods, and accumulate in the body for a long time. This longitudinal study was undertaken to test if circulating POPs predict telomere length and shortening in elderly people. We studied 1082 subjects belonging to the Helsinki Birth Cohort Study (born 1934-1944), undergoing two visits (2001-2004 and 2011-2014)...
October 2016: Aging and Disease
Joel T Haas, Bart Staels
Oxidative stress has long been considered a key driving factor of many obesity-related health problems. However, recent work by Merry, Tran et al (Diabetologia DOI 10.1007/s00125-016-4084-3 ) challenges this idea with an interesting study using a hepatocyte-specific Gpx1-knockout (HGKO) mouse. GPX1 is an important detoxification enzyme that converts H2O2 to water. The authors found that high-fat diet-fed HGKO mice were more insulin sensitive than wildtype controls, despite elevated hepatic levels of H2O2 and evidence of increased systemic oxidative stress...
October 1, 2016: Diabetologia
Carlos Martin-Saborido, Theodora Mouratidou, Anastasia Livaniou, Sandra Caldeira, Jan Wollgast
BACKGROUND: The adverse relation between dietary trans fatty acid (TFA) intake and coronary artery disease risk is well established. Many countries in the European Union (EU) and worldwide have implemented different policies to reduce the TFA intake of their populations. OBJECTIVE: The aim of this study was to assess the added value of EU-level action by estimating the cost-effectiveness of 3 possible EU-level policy measures to reduce population dietary TFA intake...
September 28, 2016: American Journal of Clinical Nutrition
Jolene Zheng, Chenfei Gao, Mingming Wang, Phuongmai Tran, Nancy Mai, John W Finley, Steven B Heymsfield, Frank L Greenway, Zhaoping Li, David Heber, Jeffrey H Burton, William D Johnson, Roger A Laine
Epidemiological studies indicate that the increased consumption of sugars including sucrose and fructose in beverages correlate with the prevalence of obesity, type-2 diabetes, insulin resistance, hyperinsulinemia, hypertriglyceridemia, and hypertension in humans. A few reports suggest that fructose extends lifespan in Saccharomyces cerevisiae. In Anopheles gambiae, fructose, glucose, or glucose plus fructose also extended lifespan. New results presented here suggest that fructose extends lifespan in Caenorhabditis elegans (C...
September 28, 2016: Journal of Dietary Supplements
M Mazidi, A Heidari-Bakavoli, S S Khayyatzadeh, M R Azarpazhooh, M Nematy, M Safarian, H Esmaeili, S M R Parizadeh, M Ghayour-Mobarhan, A P Kengne, G A Ferns
The objective of this study was to investigate whether serum high-sensitivity C-reactive protein (hs-CRP) concentration varies with dietary fatty acid intake in Iranian adults free of any history of cardiovascular disease (CVD). This cross-sectional study involved 8105 adults (3142 men) aged 35-65 years. Dietary intake was assessed using 24-h dietary recalls. The relationship between anthropometric, cardiometabolic risk factors and dietary data and serum hs-CRP was assessed using SPSS software. Median crude dietary saturated fat decreased across hs-CRP quarters (P =0...
September 28, 2016: European Journal of Clinical Nutrition
Anna Puig-Oliveras, Manuel Revilla, Anna Castelló, Ana I Fernández, Josep M Folch, Maria Ballester
The aim of this work is to better understand the genetic mechanisms determining two complex traits affecting porcine meat quality: intramuscular fat (IMF) content and its fatty acid (FA) composition. With this purpose, expression Genome-Wide Association Study (eGWAS) of 45 lipid-related genes associated with meat quality traits in swine muscle (Longissimus dorsi) of 114 Iberian × Landrace backcross animals was performed. The eGWAS identified 241 SNPs associated with 11 genes: ACSM5, CROT, FABP3, FOS, HIF1AN, IGF2, MGLL, NCOA1, PIK3R1, PLA2G12A and PPARA...
2016: Scientific Reports
Giuseppe Maiorano, Katarzyna Stadnicka, Siria Tavaniello, Cinzia Abiuso, Joanna Bogucka, Marek Bednarczyk
The purpose of this study was to examine the effect of in ovo injection of 2 different prebiotics, DiNovo (DN; Laminaria spp., extract containing laminarin and fucoidan) and Bi(2)tos (BI; non-digestive trans-galactooligosaccharides from milk lactose digested with Bifidobacterium bifidum NCIMB 41171), on growth, slaughter traits, intramuscular fat percentage (IF) and muscle fiber diameter, and lipid oxidation of meat in chickens reared under commercial conditions, following an in ovo trial protocol. On d 12 of embryonic incubation, 350,560 Ross 308 eggs were randomly divided into 3 experimental groups and automatically injected in ovo with: physiological saline (control group), BI at dose of 3...
September 23, 2016: Poultry Science
Sezin Dagdeviren, Dae Young Jung, Eunjung Lee, Randall H Friedline, Hye-Lim Noh, Jong Hun Kim, Payal R Patel, Nicholas Tsitsilianos, Andrew V Tsitsilianos, Duy A Tran, George H Tsougranis, Caitlyn C Kearns, Cecilia P Uong, Jung Yeon Kwon, Werner Muller, Ki Won Lee, Jason K Kim
Skeletal muscle insulin resistance is a major characteristic of obesity and type 2 diabetes. Although obesity-mediated inflammation is causally associated with insulin resistance, the underlying mechanism is unclear. Here, we examined the effects of chronic obesity in mice with muscle-specific overexpression of interleukin-10 (M(IL10)). After 16 weeks of high-fat diet (HFD), M(IL10) mice became markedly obese but showed improved insulin action as compared to wild-type mice, which was largely due to increased glucose metabolism and reduced inflammation in skeletal muscle...
September 19, 2016: Molecular and Cellular Biology
Joon Kyungjoon Lim, Sandra Burke, Geoffrey Head
OBJECTIVE: Obesity during pregnancy is associated with a greater risk of developing hypertension in the offspring. Plasma leptin levels correlate strongly with blood pressure and renal sympathetic nerve activity (RSNA). The ventromedial hypothalamus (VMH) is a key centre of energy homeostasis, haemodynamic and sympathetic tone to renal vasculature. It is possible that exposure to over-nutrition during development change the activity of the neurons, amplifying sympathetic output leading to hypertension in the offspring...
September 2016: Journal of Hypertension
Troy L Merry, Melanie Tran, Garron T Dodd, Salvatore P Mangiafico, Florian Wiede, Supreet Kaur, Catriona L McLean, Sofianos Andrikopoulos, Tony Tiganis
AIMS/HYPOTHESIS: In obesity oxidative stress is thought to contribute to the development of insulin resistance, non-alcoholic fatty liver disease and the progression to non-alcoholic steatohepatitis. Our aim was to examine the precise contributions of hepatocyte-derived H2O2 to liver pathophysiology. METHODS: Glutathione peroxidase (GPX) 1 is an antioxidant enzyme that is abundant in the liver and converts H2O2 to water. We generated Gpx1 (lox/lox) mice to conditionally delete Gpx1 in hepatocytes (Alb-Cre;Gpx1 (lox/lox)) and characterised mice fed chow, high-fat or choline-deficient amino-acid-defined (CDAA) diets...
September 15, 2016: Diabetologia
Michal Anděl, Ludmila Brunerová, Pavel Dlouhý, Jan Polák, Jan Gojda, Pavel Kraml
UNLABELLED: Recently, thousands of papers brought knowledge about effects of nutrients on cellular level, in experimental animals and in human experiments on one side, the results of epidemiological studies on the other side have suggested the nutrients and foods for healthy diet and nutrients and foods, which should be consumed only in limited amount. Among foods, which should be avoided, those with higher content of trans-fatty acids. Their daily intake should not exceed 1 % of total energy intake...
2016: Vnitr̆ní Lékar̆ství
Brandon H Hidaka, Susan E Carlson, Bruce F Kimler, Carol J Fabian
We investigated how timing influences the role of diet in breast cancer risk with a cross-sectional study of pre-malignant change in breast tissue. Women with an elevated risk of developing breast cancer (33 premenopausal and 32 postmenopausal) completed the National Cancer Institute's food frequency questionnaire and underwent random periareolar fine-needle aspiration for evaluation of cytologic atypia, an established risk biomarker. Fatty acid composition of breast adipose was measured in 32 (49%) subjects...
October 2016: Nutrition and Cancer
Yusuke Nakatsu, Yasuka Matsunaga, Takeshi Yamamotoya, Koji Ueda, Yuki Inoue, Keiichi Mori, Hideyuki Sakoda, Midori Fujishiro, Hiraku Ono, Akifumi Kushiyama, Tomoichiro Asano
Prolyl isomerases are divided into three groups, the FKBP family, Cyclophilin and the Parvulin family (Pin1 and Par14). Among these isomerases, Pin1 is a unique prolyl isomerase binding to the motif including pSer/pThr-Pro that is phosphorylated by kinases. Once bound, Pin1 modulates the enzymatic activity, protein stability or subcellular localization of target proteins by changing the cis- and trans-formations of proline. Several studies have examined the roles of Pin1 in the pathogenesis of cancers and Alzheimer's disease...
2016: International Journal of Molecular Sciences
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