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https://www.readbyqxmd.com/read/29245171/effects-of-atorvastatin-on-autophagy-in-skeletal-muscles-of-diabetic-rats
#1
Bingquan Yang, Jie Sun, Yang Yuan, Zilin Sun
AIMS/INTRODUCTION: Atorvastatin is usually used to decrease the amount of fatty substances in individuals with type 2 diabetes mellitus. However, it can cause side effects, such as breakdown of skeletal muscle tissue. This study focuses on the effects of atorvastatin on autophagy of the skeletal muscles in diabetic rats. MATERIALS AND METHODS: Diabetes in rats in the diabetic (D) and atorvastatin (T) groups was induced using streptozotocin (65 mg/kg, intraperitoneal injection)...
December 15, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/29244961/time-dependent-therapeutic-roles-of-nitazoxanide-on-high-fat-diet-streptozotocin-induced-diabetes-in-rats-effects-on-hepatic-ppar-%C3%AE-receptors
#2
Samah Mohamed Elaidy, Mona A Hussain, Mohamed K El-Kherbetawy
Targeting Peroxisome Proliferator-Activated Receptor-gamma (PPAR-γ) is an approved strategy in facing insulin resistance (IR) for the diabetes mellitus (DM)-type 2. The PPAR-γ modulators display improvements in the insulin sensitizing and adverse effects of the traditional thiazolidinediones (TZDs). Nitazoxanide (NTZ) is proposed as a PPAR-γ receptor ligand, with agonistic post-transcriptional effects. Currently, NTZ-antidiabetic activities versus pioglitazone (PIO) in a high-fat diet/streptozotocin (HFD/STZ) rat model of type-2 diabetes was explored...
December 15, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/29243851/alterations-in-gene-expression-in-vitamin-d-deficiency-down-regulation-of-liver-cyp7a1-and-renal-oat3-in-mice
#3
Holly P Quach, Keumhan Noh, Stacie Y Hoi, Adrie Bruinsma, Geny M M Groothuis, Albert P Li, Edwin C Y Chow, K Sandy Pang
The vitamin D-deficient model, established in C57BL/6 mouse after 8-week feeding of vitamin D-deficient diets in absence or presence of added calcium, was found associated with elevated levels of plasma parathyroid hormone (PTH) and plasma and liver cholesterol, and reduction in cholesterol 7α-hydroxylase (Cyp7a1, rate-limiting enzyme for cholesterol metabolism) and renal Oat3 mRNA/protein expression levels. There was, however, no change in plasma calcium and phosphate levels. Appraisal of the liver revealed up-regulation of mRNA expressions of the small heterodimer partner (Shp) and attenuation of Cyp7a1, which contributed to hypercholesterolemia in vitamin D-deficiency...
December 15, 2017: Biopharmaceutics & Drug Disposition
https://www.readbyqxmd.com/read/29243276/the-influence-of-shc-proteins-and-high-fat-diet-on-energy-metabolism-of-mice
#4
W A Baldassini, J J Ramsey, K Hagopian, D P D Lanna
The purpose of this study was to determine if Shc proteins influence the metabolic response to acute (7 days) feeding of a high-fat diet (HFD). To this end, whole animal energy expenditure (EE) and substrate oxidation were measured in the Shc knockout (ShcKO) and wild-type (WT) mice fed a control or HFD. The activities of enzymes of glycolysis, the citric acid cycle, electron transport chain (ETC), and β-oxidation were also investigated in liver and skeletal muscle of ShcKO and WT animals. The study showed that ShcKO increases (P < ...
December 2017: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/29242277/endoplasmic-reticulum-chaperone-grp78-regulates-macrophage-function-and-insulin-resistance-in-diet-induced-obesity
#5
Jong Hun Kim, Eunjung Lee, Randall H Friedline, Sujin Suk, Dae Young Jung, Sezin Dagdeviren, Xiaodi Hu, Kunikazu Inashima, Hye Lim Noh, Jung Yeon Kwon, Aya Nambu, Jun R Huh, Myoung Sook Han, Roger J Davis, Amy S Lee, Ki Won Lee, Jason K Kim
Obesity-mediated inflammation is a major cause of insulin resistance, and macrophages play an important role in this process. The 78-kDa glucose-regulated protein (GRP78) is a major endoplasmic reticulum chaperone that modulates unfolded protein response (UPR), and mice with GRP78 heterozygosity were resistant to diet-induced obesity. Here, we show that mice with macrophage-selective ablation of GRP78 (Lyz-GRP78-/-) are protected from skeletal muscle insulin resistance without changes in obesity compared with wild-type mice after 9 wk of high-fat diet...
December 14, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29241577/caulerpa-okamurae-extract-inhibits-adipogenesis-in-3t3-l1-adipocytes-and-prevents-high-fat-diet-induced-obesity-in-c57bl-6-mice
#6
Bhesh Raj Sharma, Hyun Jung Kim, Min Suk Kim, Chul Min Park, Dong Young Rhyu
Seaweeds are considered a potential source of antiobesity agents. Because Caulerpa, a seaweed, has been consumed for food in Japan, China, South Korea, and Australia, we hypothesized that Caulerpa okamurae may have antiobesity effects in an animal model of high-fat diet (HFD)-induced obesity in C57BL/6 mice. Herein, we found that the ethanolic extract of C okamurae (COE) significantly inhibited lipid accumulation and reduced the expression of the master regulator of adipogenesis, peroxisome proliferator-activated receptor-γ, sterol regulatory element binding protein-1c, and CCAAT/enhancer-binding protein-α in 3T3-L1 adipocytes...
November 2017: Nutrition Research
https://www.readbyqxmd.com/read/29241575/dietary-supplementation-with-myo-inositol-reduces-hepatic-triglyceride-accumulation-and-expression-of-both-fructolytic-and-lipogenic-genes-in-rats-fed-a-high-fructose-diet
#7
Masaya Shimada, Masato Hibino, Anna Takeshita
Excessive fructose ingestion drastically enhances hepatic lipid accumulation. The most prominent form of inositol-myo-inositol (MI)-remarkably reduces high sucrose-induced hepatic triglyceride (TG) accumulation. Because MI is a major and strong lipotrope, we hypothesized in this study that MI improves fatty liver more induced by excessive ingestion of fructose than sucrose. Rats were fed a high-glucose diet (HGD), a high-fructose diet (HFD), or an HFD supplemented with 0.2% MI for 12 days. Hepatic levels of TG and mRNAs for fructolysis (ketohexokinase and aldolase B), lipogenesis (pyruvate kinase, liver, and RBC; glucose-6-phosphate dehydrogenase; acetyl-CoA carboxylase alpha; fatty acid synthase; and stearoyl-CoA desaturase 1), and a key transcription factor for lipogenesis-carbohydrate-responsive element-binding protein-were significantly increased in the HFD group compared with the HGD group, and the increase was markedly decreased by MI supplementation...
November 2017: Nutrition Research
https://www.readbyqxmd.com/read/29240921/cry1-bt-susceptibilities-of-fall-armyworm-lepidoptera-noctuidae-host-strains
#8
David A Ingber, Charles E Mason, Lindsey Flexner
The fall armyworm, Spodoptera frugiperda (Smith; Lepidoptera: Noctuidae), is a highly polyphagous, multivoltine pest of commercial crops including corn (Zea mays L.), cotton (Gossypium spp. L.), rice (Oryza sativa L.), and pasture grasses. Fall armyworm has become a growing concern in agricultural communities across the Americas as field populations in many locales have evolved resistance to several Cry1 toxins derived from the bacterium Bacillus thuringiensis Berliner (Bt). An often overlooked aspect of fall armyworm biology is the existence of two host strains, the 'rice' and 'corn' strains...
December 12, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29240812/effects-of-vaspin-on-pancreatic-%C3%AE-cell-secretion-via-pi3k-akt-and-nf-%C3%AE%C2%BAb-signaling-pathways
#9
Shiwei Liu, Xin Li, Yaru Wu, Ruixue Duan, Jiaxin Zhang, Fang Du, Qi Zhang, Yuanbin Li, Naishi Li
Vaspin (visceral adipose tissue-derived serine protease inhibitor) is a recently discovered adipokine that has been implicated in diabetes mellitus and other metabolic disorders. However, the effects of vaspin on pancreatic β cell function and related mechanisms are not fully understood. Thus, the present study was performed to investigate the effects of vaspin on pancreatic β cell function and the potential underlying mechanisms. Both in vitro (rat insulinoma cells, INS-1) and in vivo (high fat diet fed rats) experiments were conducted...
2017: PloS One
https://www.readbyqxmd.com/read/29240779/impact-of-maternal-high-fat-diet-on-hypothalamic-transcriptome-in-neonatal-sprague-dawley-rats
#10
Sanna Barrand, Tamsyn M Crowley, Ryan J Wood-Bradley, Kirstie A De Jong, James A Armitage
Maternal consumption of a high fat diet during early development has been shown to impact the formation of hypothalamic neurocircuitry, thereby contributing to imbalances in appetite and energy homeostasis and increasing the risk of obesity in subsequent generations. Early in postnatal life, the neuronal projections responsible for energy homeostasis develop in response to appetite-related peptides such as leptin. To date, no study characterises the genome-wide transcriptional changes that occur in response to exposure to high fat diet during this critical window...
2017: PloS One
https://www.readbyqxmd.com/read/29240752/effect-of-early-dietary-energy-restriction-and-phosphorus-level-on-subsequent-growth-performance-intestinal-phosphate-transport-and-ampk-activity-in-young-broilers
#11
Zhiqiang Miao, Guixian Zhang, Junzhen Zhang, Jianhui Li, Yu Yang
We aimed to determine the effect of low dietary energy on intestinal phosphate transport and the possible underlying mechanism to explain the long-term effects of early dietary energy restriction and non-phytate phosphorus (NPP). A 2 × 3 factorial experiment, consisting of 2 energy levels and 3 NPP levels, was conducted. Broiler growth performance, intestinal morphology in 0-21 days and 22-35 days, type IIb sodium-phosphate co-transporter (NaPi-IIb) mRNA expression, adenylate purine concentrations in the duodenum, and phosphorylated adenosine monophosphate-activated protein kinase (AMPK-α) activity in 0-21 days were determined...
2017: PloS One
https://www.readbyqxmd.com/read/29238536/body-macronutrient-composition-is-predicted-by-lipid-and-not-protein-content-of-the-diet
#12
Joshua P Moatt, Catherine Hambly, Elizabeth Heap, Anna Kramer, Fiona Moon, John R Speakman, Craig A Walling
Diet is an important determinant of fitness-related traits including growth, reproduction, and survival. Recent work has suggested that variation in protein:lipid ratio and particularly the amount of protein in the diet is a key nutritional parameter. However, the traits that mediate the link between dietary macronutrient ratio and fitness-related traits are less well understood. An obvious candidate is body composition, given its well-known link to health. Here, we investigate the relationship between dietary and body macronutrient composition using a first-generation laboratory population of a freshwater fish, the three-spine stickleback (Gasterosteus aculeatus)...
December 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/29238465/genistein-preserves-the-lungs-of-ovariectomized-diabetic-rats-addition-to-apoptotic-and-inflammatory-markers-in-the-lung
#13
Faeze Daghigh, Alireza Alihemmati, Pouran Karimi, Parisa Habibi, Naser Ahmadiasl
Objectives: The role of isoflavones in pulmonary structure and function during menopause is not well studied. Moreover, the important role of estrogen in the physiological function of respiratory system has been revealed. Genistein, as an isoflavone, mimics estrogenic in diabetic and ovariectomized rats. Here, we hypothesized that genistein would reverse changes in the protein expression levels related to estrogen deficiency in the lung of ovariectomized diabetic rats. Materials and Methods: Wistar female rats were assigned to four experimental groups (n=10 in each group): sham, rats underwent laparotomy without removing the ovaries; OVX, rats that underwent ovariectomy; OVX...
December 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29238025/analytical-methods-to-evaluate-the-quality-of-edible-fats-and-oils-the-jocs-standard-methods-for-analysis-of-fats-oils-and-related-materials-2013-and-advanced-methods
#14
Yasushi Endo
Edible fats and oils are among the basic components of the human diet, along with carbohydrates and proteins, and they are the source of high energy and essential fatty acids such as linoleic and linolenic acids. Edible fats and oils are used in for pan- and deep-frying, and in salad dressing, mayonnaise and processed foods such as chocolates and cream. The physical and chemical properties of edible fats and oils can affect the quality of oil foods and hence must be evaluated in detail. The physical characteristics of edible fats and oils include color, specific gravity, refractive index, melting point, congeal point, smoke point, flash point, fire point, and viscosity, while the chemical characteristics include acid value, saponification value, iodine value, fatty acid composition, trans isomers, triacylglycerol composition, unsaponifiable matters (sterols, tocopherols) and minor components (phospholipids, chlorophyll pigments, glycidyl fatty acid esters)...
December 14, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/29237539/cdkn2a-deficiency-promotes-adipose-tissue-browning
#15
Nabil Rabhi, Sarah Anissa Hannou, Xavier Gromada, Elisabet Salas, Xi Yao, Frédérik Oger, Charlène Carney, Isabel C Lopez-Mejia, Emmanuelle Durand, Iandry Rabearivelo, Amélie Bonnefond, Emilie Caron, Lluis Fajas, Christian Dani, Philippe Froguel, Jean-Sébastien Annicotte
OBJECTIVES: Genome-wide association studies have reported that DNA polymorphisms at the CDKN2A locus modulate fasting glucose in human and contribute to type 2 diabetes (T2D) risk. Yet the causal relationship between this gene and defective energy homeostasis remains elusive. Here we sought to understand the contribution of Cdkn2a to metabolic homeostasis. METHODS: We first analyzed glucose and energy homeostasis from Cdkn2a-deficient mice subjected to normal or high fat diets...
December 1, 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29236963/stearic-acid-supplementation-in-high-protein-to-carbohydrate-p-c-ratio-diet-improves-physiological-and-mitochondrial-functions-of-drosophila-melanogaster-parkin-null-mutants
#16
Rijan Bajracharya, S Bustamante, J William O Ballard
Optimizing dietary macronutrients benefits the prevention and management of many human diseases but there is conflicting dietary advice for Parkinson's disease (PD), and no single strategy is universally recommended. Recently, it was shown that dietary stearic acid (C18:0) improves survival and mitochondrial functions in the parkin null Drosophila model of PD. Here we incorporate stearic acid into high protein and high carbohydrate diets and study survival, climbing ability, mitochondrial membrane potential, respiration, basal reactive oxygen species and conduct lipidomics assays...
December 11, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29236301/synergistic-effect-of-carnosine-on-browning-of-adipose-tissue-in-exercised-obese-rats-a-focus-on-circulating-irisin-levels
#17
Mona F Schaalan, Basma K Ramadan, Azza H Abd Elwahab
BACKGROUND: The recent appreciation of the energy burning capacity of brown adipose tissue turns it to an attractive target as anti-obesity therapy. OBJECTIVE: to evaluate the effect of L-carnosine on browning of white adipose tissue in exercised obese rats. METHODS: Sixty adult male Wistar albino rats between 7-8 weeks-old weighing 130-150 g were allocated into six groups;(i) normal control rats fed normal diet; (ii) high fat diet (HFD)-induced obese rats, (iii) normal control rats fed normal diet and injected with L-carnosine (250mg/kg), (iv) HFD-rats injected with L-carnosine (250mg/kg),(v): HFD-rats subjected to exercise training; (vi): HFD- rats subjected to exercise training and L-carnosine together...
December 13, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29236164/the-influence-of-isoflavone-for-denervation-induced-muscle-atrophy
#18
Shinpei Tabata, Miki Aizawa, Masakazu Kinoshita, Yoshinori Ito, Yusuke Kawamura, Minoru Takebe, Weijun Pan, Kunihiro Sakuma
PURPOSE: Decrease in activity stress induces skeletal muscle atrophy. A previous study showed that treatment with a high level (20%) of isoflavone inhibits muscle atrophy after short-term denervation (at 4 days) in mice. The present study was designed to elucidate whether the dietary isoflavone aglycone (AglyMax) at a 0.6% prevents denervation-mediated muscle atrophy, based on the modulation of atrogin-1- or apoptosis-dependent signaling. METHODS: Mice were fed either a normal diet or 0...
December 13, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/29234430/antidyslipidemic-anti-inflammatory-and-antioxidant-activities-of-aqueous-leaf-extract-of-dioscoreophyllum-cumminsii-stapf-diels-in-high-fat-diet-fed-rats
#19
O B Ibitoye, U M Ghali, J B Adekunle, J N Uwazie, T O Ajiboye
Dioscoreophyllum cumminsii (Stapf) Diels leaves are widely used in the treatment of diabetes, obesity, and cardiovascular related complications in Nigeria. This study investigates the anti-inflammatory and antiobesity effect of aqueous extract of Dioscoreophyllum cumminsii leaves in high-fat diet- (HFD-) induced obese rats. HFD-fed rats were given 100, 200, and 400 mgkg-1 body weight of aqueous extract of Dioscoreophyllum cumminsii leaves for 4 weeks starting from 9th week of HFD treatment. D. cumminsii leaves aqueous extract reversed HFD-mediated decrease in the activities of superoxide dismutase, catalase, glutathione peroxidase, glutathione reductase, and glucose 6-phosphate dehydrogenase...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29234372/hawthorn-leaf-flavonoids-protect-against-diabetes-induced-cardiomyopathy-in-rats-via-pkc-%C3%AE-signaling-pathway
#20
Qing Min, Yuting Bai, Yuchen Zhang, Wei Yu, Minli Zhang, Dongyang Liu, Tingting Diao, Wei Lv
Objectives: DCM has become one of the main reasons of death in diabetic patients. In this study, we aimed to explore the hawthorn leaf flavonoids (HLF) protective effect against diabetes-induced cardiac injury and the underlying mechanisms in experimental rats. Methods: Experimental diabetic model was induced by intraperitoneal injection of streptozotocin (STZ, 40 mg/kg) in rats after feeding with high-fat diet for 8 weeks. The diabetic rats received a 16-week treatment of different doses of HLF (50, 100, and 200)...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
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