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Journal of Nutritional Biochemistry

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https://www.readbyqxmd.com/read/27915162/high-fat-diet-induces-metabolic-changes-and-reduces-oxidative-stress-in-female-mouse-hearts
#1
Ignasi Barba, Elisabet Miró-Casas, José L Torrecilla, Eulàlia Pladevall, Sergi Tejedor, Rubén Sebastián-Pérez, Marisol Ruiz-Meana, José R Berrendero, Antonio Cuevas, David García-Dorado
After an acute myocardial infarction, obese patients generally have a better prognosis than their leaner counterparts, known as the "obesity paradox". In addition, female sex is associated with a lower risk of cardiac ischemic events and smaller infarct size compared to males. The objective of the present work was to study the metabolic phenotype and mitochondrial function associated to female sex and short-term high-fat diet. (1)H NMR spectra of mice heart extracts were analysed by mRMR variable selection and linear discriminant analysis was used to evaluate metabolic changes...
November 15, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27915160/histone-deacetylase-9-plays-a-role-in-the-antifibrogenic-effect-of-astaxanthin-in-hepatic-stellate-cells
#2
Yue Yang, Minkyung Bae, Young-Ki Park, Yoojin Lee, Tho X Pham, Swetha Rudraiah, José Manautou, Sung I Koo, Ji-Young Lee
Activation of hepatic stellate cells (HSCs) is critical for liver fibrosis development. Previously, we showed that astaxanthin (ASTX), a xanthophyll carotenoid, has antifibrogenic effects in LX-2 cells, a human HSC cell line. We sought to determine the effect of ASTX on HSC activation, and to identify molecular mediators that are critically involved in the processes. ASTX prevented the activation of mouse primary HSCs, as evidenced by attenuated induction of procollagen type I α1. In human primary HSCs, ASTX also inhibited transforming growth factor β1 (TGFβ1)-induced fibrogenic gene expression...
November 12, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27915161/intestinal-multidrug-resistance-associated-protein-2-is-down-regulated-in-fructose-fed-rats
#3
Ana Sofía Londero, Maite Rocío Arana, Virginia Gabriela Perdomo, Guillermo Nicolás Tocchetti, Felipe Zecchinati, Carolina Inés Ghanem, María Laura Ruiz, Juan Pablo Rigalli, Aldo Domingo Mottino, Fabiana García, Silvina Stella Maris Villanueva
Expression and activity of jejunal multidrug resistance-associated protein 2 (Mrp2) and glutathione-S-transferase (GST) were examined in fructose fed Wistar rats, an experimental model of metabolic syndrome. Animals were fed on (a) control diet or (b) control diet plus 10% w/vol fructose in the drinking water. Mrp2 and the α class of GST proteins as well as their corresponding mRNAs were decreased, suggesting a transcriptional regulation by fructose. Confocal microscopy studies reaffirmed down-regulation of Mrp2...
November 9, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27907824/effect-of-dry-tomato-peel-supplementation-on-glucose-tolerance-insulin-resistance-and-hepatic-markers-in-mice-fed-high-saturated-fat-high-cholesterol-diets
#4
Sofiane Zidani, Amar Benakmoum, Ali Ammouche, Yasmine Benali, Anissa Bouhadef, Souheila Abbeddou
Many studies have investigated the effect of crude tomato peel in vivo, but no studies have determined the dose-effect of dry tomato peel (DTP) on glucose intolerance, insulin resistance, and atherogenic dyslipidemia induced by a high-saturated-fat (HSF) diet in vivo. The aim of this study was to investigate the effects of different doses of DTP on the levels of oxidative stress in mice fed an HSF and cholesterol-rich diet for 12 weeks. The main outcomes are glucose and insulin tolerance, plasma lipids, and hepatic steatosis and inflammation...
November 9, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27889685/a-naturally-occurring-mixture-of-tocotrienols-inhibits-the-growth-of-human-prostate-tumor-associated-with-epigenetic-modifications-of-cyclin-dependent-kinase-inhibitors-p21-and-p27
#5
Ying Huang, Renyi Wu, Zheng-Yuan Su, Yue Guo, Xi Zheng, Chung S Yang, Ah-Ng Kong
Tocotrienols, members of the vitamin E family, have three unsaturated bonds in their side chains. Recently, it has been suggested that the biological effects of tocotrienols may differ from that of tocopherols. Several in vitro studies have shown that tocotrienols have stronger anticancer effects than tocopherols. VCaP cell line used in this study is from a vertebral bone metastasis from a patient with prostate cancer. Eight-week-old male NCr(-/-) nude mice were subcutaneously injected with VCaP-luc cells in matrigel and then administered a tocotrienol mixture for 8 weeks...
November 4, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27889684/human-milk-oligosaccharide-effects-on-intestinal-function-and-inflammation-after-preterm-birth-in-pigs
#6
Stine O Rasmussen, Lena Martin, Mette V Østergaard, Silvia Rudloff, Michael Roggenbuck, Duc Ninh Nguyen, Per T Sangild, Stine B Bering
: Human milk oligosaccharides (HMOs) may mediate prebiotic and anti-inflammatory effects in newborns. This is particularly important for preterm infants who are highly susceptible to intestinal dysfunction and necrotizing enterocolitis (NEC). We hypothesized that HMO supplementation of infant formula (IF) improves intestinal function, bacterial colonization and NEC resistance immediately after preterm birth, as tested in a preterm pig model. Mixtures of HMOs were investigated in intestinal epithelial cells and in preterm pigs (n=112) fed IF supplemented without (CON) or with a mixture of four HMOs (4-HMO) or >25 HMOs (25-HMO, 5-10 g/L given for 5 or 11 days)...
November 4, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27886622/linoleic-acid-causes-greater-weight-gain-than-saturated-fat-without-hypothalamic-inflammation-in-the-male-mouse
#7
Kyle J Mamounis, Ali Yasrebi, Troy A Roepke
A significant change in the Western diet, concurrent with the obesity epidemic, was a substitution of saturated fatty acids with polyunsaturated, specifically linoleic acid (LA). Despite increasing investigation on type as well as amount of fat, it is unclear which fatty acids are most obesogenic. The objective of this study was to determine the obesogenic potency of LA vs. saturated fatty acids and the involvement of hypothalamic inflammation. Forty-eight mice were divided into four groups: low-fat or three high-fat diets (HFDs, 45% kcals from fat) with LA comprising 1%, 15% and 22...
November 4, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27855316/a-high-fat-diet-temporarily-renders-sod1-deficient-mice-resistant-to-an-oxidative-insult
#8
Junitsu Ito, Naoki Ishii, Ryusuke Akihara, Jaeyong Lee, Toshihiro Kurahashi, Takujiro Homma, Ryo Kawasaki, Junichi Fujii
Patients with nonalcoholic fatty liver disease may subsequently develop nonalcoholic steatohepatitis after suffering from a second insult, such as oxidative stress. Aim of this study was to investigate the pathogenesis of the liver injury caused when lipids accumulate under conditions of intrinsic oxidative stress using mice that are deficient in superoxide dismutase 1 (SOD1) and the leptin receptor (Lepr). We established Sod1(-/-)::Lepr(db/db) mice and carried out analyses of four groups of genetically modified mice, namely, wild type, Sod1(-/-), Lepr(db/db) and Sod1(-/-)::Lepr(db/db) mice...
November 3, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27886623/liver-bcatm-transgenic-mouse-model-reveals-the-important-role-of-the-liver-in-maintaining-bcaa-homeostasis
#9
Elitsa A Ananieva, Cynthia G Van Horn, Meghan R Jones, Susan M Hutson
Unlike other amino acids, the branched-chain amino acids (BCAAs) largely bypass first-pass liver degradation due to a lack of hepatocyte expression of the mitochondrial branched-chain aminotransferase (BCATm). This sets up interorgan shuttling of BCAAs and liver-skeletal muscle cooperation in BCAA catabolism. To explore whether complete liver catabolism of BCAAs may impact BCAA shuttling in peripheral tissues, the BCATm gene was stably introduced into mouse liver. Two transgenic mouse lines with low and high hepatocyte expression of the BCATm transgene (LivTg-LE and LivTg-HE) were created and used to measure liver and plasma amino acid concentrations and determine whether the first two BCAA enzymatic steps in liver, skeletal muscle, heart and kidney were impacted...
November 2, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27883936/relationship-between-fgf21-and-ucp1-levels-under-time-restricted-feeding-and-high-fat-diet
#10
Nava Chapnik, Yoni Genzer, Oren Froy
Fibroblast growth factor 21 (FGF21) exhibits a circadian oscillation, and its induction is critical during fasting. When secreted by liver and skeletal muscle, FGF21 enhances thermogenic activity in brown adipose tissue (BAT) by utilizing uncoupling protein 1 (UCP1) to dissipate energy as heat. Recently, it has been reported that UCP1 is not required for FGF21-mediated reduction in body weight or improvements in glucose homeostasis. As the relationship between FGF21 and UCP1 induction in tissues other than BAT is less clear, we tested the effect of restricted feeding (RF) and high dietary fat on FGF21 circadian expression and its correlation with UCP1 expression in liver and white adipose tissue (WAT)...
November 2, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27883935/liquid-fructose-in-western-diet-fed-mice-impairs-liver-insulin-signaling-and-causes-cholesterol-and-triglyceride-loading-without-changing-calorie-intake-and-body-weight
#11
Miguel Baena, Gemma Sangüesa, Natalia Hutter, José María Beltrán, Rosa María Sánchez, Núria Roglans, Marta Alegret, Juan Carlos Laguna
BACKGROUND/OBJECTIVES: Liquid fructose associates with prevalence of type 2 diabetes mellitus and obesity. Intervention studies suggest that metabolically unfit individuals are more responsive than healthy individuals to liquid fructose. We determined whether mice consuming an obesogenic Western diet were more responsive than chow-fed mice to the alterations induced by liquid fructose supplementation (LFS). METHODS: C57BL/6N mice were fed chow or Western diet±ad libitum 15% fructose solution for 12 weeks...
November 2, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27883924/physiological-effects-of-epigallocatechin-3-gallate-egcg-on-energy-expenditure-for-prospective-fat-oxidation-in-humans-a-systematic-review-and-meta-analysis
#12
REVIEW
Mahendra P Kapoor, Masaaki Sugita, Yoshitaka Fukuzawa, Tsutomu Okubo
Green tea catechins (GTCs) are known to improve fat oxidation (FOX) during fasted, rested and exercise conditions wherein epigallocatechin-3-gallate (EGCG) is thought to be the most pharmacologically active and has been studied extensively. From the available data of randomized controlled trials (RCTs) on EGCG, we carried out a systematic review and meta-analysis to elucidate whether EGCG consumption indeed increase energy expenditure (EE) and promote FOX. A systematic review of the literature was conducted using electronic databases (PubMed, Embase, Cochrane Library, CINAHL, JICST, JSTPLUS, and JMEDPLUS and others) and eight RCTs were included...
November 2, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27866076/antioxidant-properties-of-tea-blunt-ros-dependent-lipogenesis-beneficial-effect-on-hepatic-steatosis-in-a-high-fat-high-sucrose-diet-nafld-obese-rat-model
#13
Laura Braud, Sylvain Battault, Grégory Meyer, Alessandro Nascimento, Sandrine Gaillard, Georges de Sousa, Roger Rahmani, Catherine Riva, Martine Armand, Jean-Michel Maixent, Cyril Reboul
Oxidative stress could trigger lipid accumulation in liver and thus hepatic steatosis. Tea is able to prevent liver disorders, but a direct link between antioxidant capacities and prevention of steatosis has not been reported yet. We aimed to investigate such relationship in a rat model of high fat-high sucrose diet (HFS)-induced obesity and to explore more deeply the mechanisms in isolated hepatocytes. Wistar rats were divided into a control group (standard diet), an HFS group (high fat-sucrose diet) and an HFS+tea group (HFS diet with ad-libitum access to tea drink)...
October 29, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27865159/dietary-glutamine-supplementation-enhances-endothelial-progenitor-cell-mobilization-in-streptozotocin-induced-diabetic-mice-subjected-to-limb-ischemia
#14
Shiau-Tsz Su, Chiu-Li Yeh, Yu-Chen Hou, Man-Hui Pai, Sung-Ling Yeh
Diabetes is a metabolic disorder with increased risk of vascular diseases. Tissue ischemia may occur with diabetic vascular complications. Bone marrow-derived endothelial progenitor cells (EPCs) constitute a reparative response to ischemic injury. This study investigated the effects of oral glutamine (GLN) supplementation on circulating EPC mobilization and expression of tissue EPC-releasing markers in diabetic mice subjected to limb ischemia. Diabetes was induced by a daily intraperitoneal injection of streptozotocin for 5 days...
October 29, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27863347/preventive-effects-of-goji-berry-on-dextran-sulfate-sodium-induced-colitis-in-mice
#15
Yifei Kang, Yansong Xue, Min Du, Mei-Jun Zhu
Goji berry (Lycium barbarum) exerts immune modulation and suppresses inflammation in vitro and in vivo. We hypothesized that Goji berry had beneficial effects on dextran sulfate sodium (DSS)-induced colitis in C57BL/6 mice through suppressing inflammation. Six-week-old male C57BL/6 mice were supplemented with a standard AIN-93G diet with or without 1% (w/w) Goji berry for 4 weeks. Then, colitis was induced by supplementing 3% DSS in drinking water for 7 days, followed by 7 days of remission period to mimic ulcerative colitis symptoms...
October 27, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27863345/suppression-of-tnf-%C3%AE-and-free-radicals-reduces-systematic-inflammatory-and-metabolic-disorders-radioprotective-effects-of-ginseng-oligopeptides-on-intestinal-barrier-function-and-antioxidant-defense
#16
Li-Xia He, Jun-Bo Wang, Bin Sun, Jian Zhao, Lin Li, Teng Xu, Hui Li, Jing-Qin Sun, Jinwei Ren, Rui Liu, Qi-He Chen, Zhao-Feng Zhang, Yong Li
Irradiation therapy is markedly associated with intestinal injure and oxidant stress. This study aimed to investigate the effects of ginseng (Panax ginseng C.A. Mey.) oligopeptides (GOP) on irradiation-induced intestinal injury and antioxidant defense in mice. BALB/c mice (8 weeks old) were randomly divided into six groups: vehicle control, irradiation control (IR), IR+whey protein [0.30 g/kg body weight (BW)], IR+GOP 0.15 g/kg BW, IR+GOP 0.30 g/kg BW and IR+GOP 0.60 g/kg BW. Postirradiation 30-day survival trial, white blood cells count and bone marrow hematopoietic system damage were performed to identify the injury degree induced by irradiation...
October 26, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27865158/increasing-camp-levels-of-preadipocytes-by-cyanidin-3-glucoside-treatment-induces-the-formation-of-beige-phenotypes-in-3t3-l1-adipocytes
#17
Toshiya Matsukawa, Myra O Villareal, Hideko Motojima, Hiroko Isoda
Obesity is a serious health problem and a major risk factor for the onset of several diseases such as heart disease, diabetes, stroke and cancer. The conversion of white adipocytes to brown-like adipocytes, also called beige or brite adipocytes, by pharmacological and dietary compounds has gained attention as an effective treatment for obesity. Cyanidin-3-glucoside (Cy3G), a polyphenolic compound contained in black soybean, blueberry and grape, has several antiobesity effects. However, there are no reports on the role of Cy3G in the induction of differentiation of preadipocytes to beige adipocytes and corresponding phenotypes...
October 25, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27863346/a-diet-induced-sprague-dawley-rat-model-of-nonalcoholic-steatohepatitis-related-cirrhosis
#18
Mayuko Ichimura, Miki Masuzumi, Miku Kawase, Mika Sakaki, Shizuka Tamaru, Yasuo Nagata, Kazunari Tanaka, Kazuhito Suruga, Koichi Tsuneyama, Satoru Matsuda, Katsuhisa Omagari
Certain modified diets containing saturated fatty acids, cholesterol or fructose lead to the development of nonalcoholic steatohepatitis (NASH)-related fibrosis in rodents; however, progression to cirrhosis is rare. Experimental liver cirrhosis models have relied on genetic manipulation or administration of hepatotoxins. This study aimed to establish a reliable dietary model of NASH-related cirrhosis in a relatively short period. Male Sprague-Dawley rats (9 weeks of age) were randomly assigned to normal, high-fat (HF), or two types (1...
October 24, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27855315/dietary-sphingomyelin-attenuates-hepatic-steatosis-and-adipose-tissue-inflammation-in-high-fat-diet-induced-obese-mice
#19
Gregory H Norris, Caitlin M Porter, Christina Jiang, Courtney L Millar, Christopher N Blesso
Western-type diets can induce obesity and related conditions such as dyslipidemia, insulin resistance and hepatic steatosis. We evaluated the effects of milk sphingomyelin (SM) and egg SM on diet-induced obesity, the development of hepatic steatosis and adipose inflammation in C57BL/6J mice fed a high-fat, cholesterol-enriched diet for 10 weeks. Mice were fed a low-fat diet (10% kcal from fat) (n=10), a high-fat diet (60% kcal from fat) (HFD, n=14) or a high-fat diet modified to contain either 0.1% (w/w) milk SM (n=14) or 0...
October 24, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27846426/metabolic-outcomes-of-bergamot-polyphenolic-fraction-administration-in-patients-treated-with-second-generation-antipsychotics-a-pilot-study
#20
Antonio Bruno, Gianluca Pandolfo, Manuela Crucitti, Antonino Maisano, Rocco A Zoccali, Maria Rosaria Anna Muscatello
Second-generation antipsychotics (SGAs) are notoriously associated with a marked increase in body weight and with a wide range of metabolic adverse effects, and their chronic use is related with an increased risk for the development of metabolic syndrome (MS). Different adjunctive treatments have been proposed to reduce SGAs-induced weight gain and/or metabolic abnormalities with inconsistent or too limited evidence to support their regular clinical use, thus suggesting the need to find new possible treatments...
October 22, 2016: Journal of Nutritional Biochemistry
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