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https://www.readbyqxmd.com/read/29775890/triterpenic-acids-enriched-fraction-from-cyclocarya-paliurus-attenuates-non-alcoholic-fatty-liver-disease-via-improving-oxidative-stress-and-mitochondrial-dysfunction
#1
Meng-Ge Zhao, Xue-Ping Sheng, Ya-Ping Huang, Yi-Ting Wang, Cui-Hua Jiang, Jian Zhang, Zhi-Qi Yin
The effects of triterpenic acids-enriched fraction from Cyclocarya paliurus (CPT) on nonalcoholic fatty liver disease (NAFLD) were investigated using in vivo and in vitro models. In high fat diet-induced Wister rats, CPT significantly increased superoxide dismutase (SOD) activity and glutathione/oxidized glutathione (GSH/GSSG) ratio, reduced malondialdehyde (MDA) and protein carbonyl (PCO) levels. Moreover, CPT restored mitochondrial membrane potential dysfunction, decreased cytochrome P450 enzyme 2E1 (CYP2E1) activity, improved nuclear factor erythroid 2-related factor 2 (Nrf2) and Nrf2-mediated antioxidant enzyme heme oxygenase1 (HO-1) expression...
May 15, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29773828/single-nucleotide-polymorphisms-in-the-g-protein-coupled-receptor-kinase-5-grk5-gene-are-associated-with-plasma-ldl-cholesterol-levels-in-humans
#2
Stefan Z Lutz, Mathias Falcenberg, Fausto Machicao, Andreas Peter, Martin Kächele, Elko Randrianarisoa, Angela Lehn-Stefan, Robert Wagner, Jürgen Machann, Fritz Schick, Martin Heni, Axel Ullrich, Andreas Fritsche, Norbert Stefan, Hans-Ulrich Häring, Harald Staiger, Konstantinos Kantartzis
Genetically modified mice models suggest an important role for G-protein-coupled receptor kinase 5 (GRK5) in the pathophysiology of obesity and related disorders. We investigated whether single nucleotide polymorphisms (SNPs) in the gene encoding GRK5 affect cardiometabolic traits in humans. We genotyped 3 common SNPs in intron 1 (rs1980030, rs10466210, rs9325562) and one SNP in intron 3 (rs10886471) of GRK5 in 2332 subjects at risk for type 2 diabetes. Total- and visceral fat mass were measured by magnetic resonance (MR) tomography and liver fat content by 1 H-MR spectroscopy...
May 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29770757/soya-protein-%C3%AE-conglycinin-ameliorates-fatty-liver-and-obesity-in-diet-induced-obese-mice-through-the-down-regulation-of-ppar%C3%AE
#3
Dongyang Li, Reina Ikaga, Tomomi Yamazaki
Diets high in fat can result in obesity and non-alcoholic fatty liver disease (NAFLD). The improvement of obesity and NAFLD is an important issue. β-Conglycinin, one of the soya proteins, is known to prevent hyperlipidaemia, obesity and NAFLD. Therefore, we aimed to investigate the effects of β-conglycinin on the improvement of obesity and NAFLD in high-fat (HF) diet-induced obese (DIO) mice and clarify the mechanism underlying these effects in liver and white adipose tissue (WAT). DIO male ddY mice were divided into six groups: HF, medium-fat (MF) and low-fat (LF) groups fed casein, and HF, MF and LF groups in all of which the casein was replaced by β-conglycinin...
June 2018: British Journal of Nutrition
https://www.readbyqxmd.com/read/29759109/hypocholesterolaemic-effect-of-whole-grain-highland-hull-less-barley-in-rats-fed-a-high-fat-diet
#4
Xuejuan Xia, Guannan Li, Jiaxin Song, Jiong Zheng, Jianquan Kan
Whole-grain highland hull-less barley (WHLB) contains high amounts of bioactive compounds that potentially exhibit cholesterol-lowering effects. This study investigated the hypocholesterolaemic effect of WHLB. A total of seventy-two male Sprague-Dawley rats were divided into four groups and were fed with the normal control diet, high-fat diet (HFD) and HFD containing low or high dose (10 or 48·95 %) of WHLB. High dose of WHLB significantly decreased the organ indexes of liver and abdominal fat and lipid levels of plasma and liver in HFD rats...
May 2018: British Journal of Nutrition
https://www.readbyqxmd.com/read/29755549/evaluation-of-diabetogenic-mechanism-of-high-fat-diet-in-combination-with-arsenic-exposure-in-male-mice
#5
Akram Ahangarpour, Soheila Alboghobeish, Mohsen Rezaei, Mohammad Javad Khodayar, Ali Akbar Oroojan, Marzieh Zainvand
Obesity is a main reason of type 2 diabetes and also chronic exposure to arsenic (As) can produce diabetic symptoms. In previous studies, the association between high-fat diet and arsenic in the incidence of diabetes was found, but the role of beta cells activity, liver mitochondrial oxidative stress, and hepatic enzymes (leptin, adiponectin and beta amylase) was unclear. Thus, present study was conducted to evaluate the diabetogenic mechanism of arsenic followed by concomitant administration of high-fat diet (HFD) in male mice...
2018: Iranian Journal of Pharmaceutical Research: IJPR
https://www.readbyqxmd.com/read/29755364/early-effects-of-a-low-fat-fructose-rich-diet-on-liver-metabolism-insulin-signaling-and-oxidative-stress-in-young-and-adult-rats
#6
Raffaella Crescenzo, Luisa Cigliano, Arianna Mazzoli, Rosa Cancelliere, Rosa Carotenuto, Margherita Tussellino, Giovanna Liverini, Susanna Iossa
The increase in the use of refined food, which is rich in fructose, is of particular concern in children and adolescents, since the total caloric intake and the prevalence of metabolic syndrome are increasing continuously in these populations. Nevertheless, the effects of high fructose diet have been mostly investigated in adults, by focusing on the effect of a long-term fructose intake. Notably, some reports evidenced that even short-term fructose intake exerts detrimental effects on metabolism. Therefore, the aim of this study was to compare the metabolic changes induced by the fructose-rich diet in rats of different age, i...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29746866/cav-1-promotes-atherosclerosis-by-activating-jnk-associated-signaling
#7
Dong-Xia Wang, Yong-Quan Pan, Bing Liu, Li Dai
The objective of the study is to calculate the role and underlying the molecular mechanisms of caveolin-1 (Cav-1) in atherosclerosis (AS). Cav-1 was mainly expressed in the endothelial cells of atherosclerotic lesions in both human patients and apolipoprotein E deficient (ApoE-/- ) mice. Cav-1 deficiency (Cav-1-/- ) attenuated high-fat diet (HFD)-induced atherosclerotic lesions in ApoE-/- mice, supported by the reduced aortic plaques. Cav-1-/- reduced the macrophage content and decreased the release of inflammation-related cytokines or chemokine in serum or abdominal aortas, accompanied with the inactivation of inhibitor κB kinase κ (IKKβ)/p65/IκBα signaling pathway...
May 7, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29744358/effects-of-chinese-dietary-pattern-of-fat-content-n-6-n-3-polyunsaturated-fatty-acid-ratio-and-cholesterol-content-on-lipid-profile-in-rats
#8
Xian-Guo Zou, Yu-Hua Huang, Hong-Yan Li, Tong-Cheng Xu, Ya-Wei Fan, Jing Li, Ze-Yuan Deng
This study aims to investigate the effect of Chinese diet pattern of fat content (30% or 36.06%), n-6/n-3 polyunsaturated fatty acid (PUFA) ratio (5 : 1 or 9 : 1), and cholesterol content (0.04 or 0.057 g/kg total diet) on lipid profile using a rat model. Results showed that rats' body weights (BWs) were controlled by the simultaneous intakes of cholesterol level of 0.04 g/kg total diet and n-6/n-3 ratio of 5 : 1. In addition, under high-fat diet, increased cholesterol feeding led to increased total cholesterol (TC) and low density lipoprotein cholesterol (LDL-C) levels and decreased triacylglycerols (TG) in rats' plasma...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29743929/neonatal-overfeeding-induced-glucocorticoid-overexposure-accelerates-hepatic-lipogenesis-in-male-rats
#9
Fan Yang, Yanyan Dai, Cuiting Min, Xiaonan Li
Background: Postnatal overfeeding activates tissue glucocorticoid (GC) activity by up-regulating 11β-hydroxysteroid dehydrogenase 1 (11β-HSD1) and increasing sensitivity to high-fat (HF) diet-induced non-alcoholic fatty liver disease (NAFLD). The present study aimed to evaluate the effects of postnatal overfeeding on GC regulation and lipogenesis in the liver and to observe the impact of GC on hepatocyte lipid metabolism. Methods: In vivo , Male Sprague-Dawley rat pup litters were adjusted to litter sizes of three (small litter, SL) or ten (normal litter, NL) on postnatal day 3 and then given standard chow from postnatal week 3 (W3) to W13...
2018: Nutrition & Metabolism
https://www.readbyqxmd.com/read/29740314/effect-of-toxicants-on-fatty-acid-metabolism-in-hepg2-cells
#10
David Grünig, Urs Duthaler, Stephan Krähenbühl
Impairment of hepatic fatty acid metabolism can lead to liver steatosis and injury. Testing drugs for interference with hepatic fatty acid metabolism is therefore important. To find out whether HepG2 cells are suitable for this purpose, we investigated the effect of three established fatty acid metabolism inhibitors and of three test compounds on triglyceride accumulation, palmitate metabolism, the acylcarnitine pool and dicarboxylic acid accumulation in the cell supernatant and on ApoB-100 excretion in HepG2 cells...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29739997/the-effect-of-high-fat-diet-and-metformin-treatment-on-liver-lipids-accumulation-and-their-impact-on-insulin-action
#11
Piotr Zabielski, Hady Razak Hady, Marta Chacinska, Kamila Roszczyc, Jan Gorski, Agnieszka U Blachnio-Zabielska
We sought to determine whether metformin treatment reverses a high-fat diet (HFD)-induced hepatic insulin resistance (IRes) and to identify lipid intermediates involved in induction of liver IRes. The experiments were conducted on male Wistar rats divided into three groups: 1. Control, 2. fed HFD and 3. fed HFD and treated with metformin. The animals were infused with a [U-13 C]palmitate to measure fractional lipid synthesis rate. This allowed for the calculation of fractional synthesis rate of signaling lipids (FSR) through the estimation of their isotopic enrichment...
May 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29739800/loss-of-the-liver-x-receptors-disrupts-the-balance-of-hematopoietic-populations-with-detrimental-effects-on-endothelial-progenitor-cells
#12
Adil Rasheed, Ricky Tsai, Carolyn L Cummins
BACKGROUND: The liver X receptors (LXRs; α/β) are nuclear receptors known to regulate cholesterol homeostasis and the production of select hematopoietic populations. The objective of this study was to determine the importance of LXRs and a high-fat high-cholesterol diet on global hematopoiesis, with special emphasis on endothelial progenitor cells (EPCs), a vasoreparative cell type that is derived from bone marrow hematopoietic stem cells. METHODS AND RESULTS: Wild-type and LXR double-knockout ( Lxr αβ -/- ) mice were fed a Western diet (WD) to increase plasma cholesterol levels...
May 8, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29735802/hcbp6-is-involved-in-the-development-of-hepatic-steatosis-induced-by-high-fat-diet-and-ccl4-in-rats
#13
Yong-Ping Zheng, Xian-Yang Zhong, Yu-Shu Huang, Can-Bin Zheng
INTRODUCTION AND AIM: Hepatitis C virus core-binding protein 6 (HCBP6) was previously found to be an hepatitis C virus corebinding protein, its biological function remains unclear. Our research aims to investigate the role of HCBP6 in the development of hepatic steatosis induced by high-fat diet and carbon tetrachloride (CCL4) in rats. MATERIAL AND METHODS: Eighteen Wistar rats were randomly allocated into 3 groups: control group, model group 1, and model group 2...
April 9, 2018: Annals of Hepatology
https://www.readbyqxmd.com/read/29735312/steato-score-non-invasive-quantitative-assessment-of-liver-fat-by-ultrasound-imaging
#14
Nicole Di Lascio, Cinzia Avigo, Antonio Salvati, Nicola Martini, Monica Ragucci, Serena Monti, Anna Prinster, Dante Chiappino, Marcello Mancini, Domenico D'Elia, Lorenzo Ghiadoni, Ferruccio Bonino, Maurizia R Brunetto, Francesco Faita
Non-alcoholic fatty liver disease is becoming a global epidemic. The aim of this study was to develop a system for assessing liver fat content based on ultrasound images. Magnetic resonance spectroscopy measurements were obtained in 61 patients and the controlled attenuation parameter in 54. Ultrasound images were acquired for all 115 participants and used to calculate the hepatic/renal ratio, hepatic/portal vein ratio, attenuation rate, diaphragm visualization and portal vein wall visualization. The Steato-score was obtained by combining these five parameters...
May 4, 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29733360/response-to-liver-fat-content-non-alcoholic-fatty-liver-disease-and-ischaemic-heart-disease
#15
Stefan Stender, Anne Tybjaerg-Hansen
No abstract text is available yet for this article.
May 3, 2018: European Heart Journal
https://www.readbyqxmd.com/read/29726934/liver-fat-content-non-alcoholic-fatty-liver-disease-and-risk-of-ischaemic-heart-disease
#16
Christopher D Byrne, Giovanni Targher
No abstract text is available yet for this article.
May 3, 2018: European Heart Journal
https://www.readbyqxmd.com/read/29724029/somatotropic-axis-dysfunction-in-non-alcoholic-fatty-liver-disease-beneficial-hepatic-and-systemic-effects-of-hormone-supplementation
#17
Daniel Cabrera, Claudio Cabello-Verrugio, Nancy Solís, Diego San Martín, Catalina Cofré, Margarita Pizarro, Juan Pablo Arab, Johanna Abrigo, Fabián Campos, Betzabé Irigoyen, Gonzalo Carrasco-Avino, Katiuska Bezares, Valentina Riquelme, Arnoldo Riquelme, Marco Arrese, Francisco Barrera
BACKGROUND: Somatotropic axis dysfunction associated with non-alcoholic fatty liver disease (NAFLD) has potential multisystemic detrimental effects. Here, we analysed the effects of growth hormone (GH) and insulin -like growth factor-1 (IGF-1) supplementation on liver histology, adipokine profile and muscle function in an NAFLD model. METHODS: C57BL/6 mice were fed with a high fat diet (HFD) for 12 weeks and were separated into three groups treated for 4 weeks with: (1) High fat diet (HFD) ( n = 10); (2) HFD + GH 9 μg/g/d ( n = 10); (3) HFD + IGF-1 0...
May 2, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29718694/feasibility-and-agreement-of-stiffness-measurements-using-gradient-echo-and-spin-echo-mr-elastography-sequences-in-unselected-patients-undergoing-liver-mri
#18
Guilherme M Cunha, Kevin J Glaser, Anke Bergman, Rodrigo P Luz, Eduardo Figueiredo, Flavia Paiva Proença Lobo Lopes
OBJECTIVE: To evaluate the agreement of three MRE sequences in patients undergoing liver MRI for clinical care. METHODS: A cross-sectional retrospective study was performed with 223 patients referred for liver MRI, including 12 patients with liver iron overload. Data obtained with Spin-Echo (SE) and Gradient-Echo (GRE) MRE sequences were compared. Multiple linear regression adjusted for the presence of liver fat was also performed to assess the correlation between fat infiltration and stiffness measurements results...
May 2, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29713773/feasibility-of-balanced-steady-state-free-precession-sequence-at-1-5t-for-the-evaluation-of-hepatic-steatosis-in-obese-children-and-adolescents
#19
Hong-Xi Zhang, Jun-Fen Fu, Can Lai, Feng-Yu Tian, Xiao-Li Su, Ke Huang
OBJECTIVES: To determine the feasibility of balanced steady-state free precession (b-SSFP) imaging for measuring hepatic steatosis in obese children and adolescents, using proton magnetic resonance spectroscopy (1 H MRS) as reference standard. METHODS: 182 obese Chinese paediatric patients underwent conventional T1-weighted dual echo MRI, 1 H MRS and b-SSFP imaging for non-invasive assessment of hepatic steatosis. RESULTS: There was a strong positive correlation between liver fat fraction (FF) on T1-weighted dual echo MRI and 1 H MRS-determined liver fat content (LFC) (r = 0...
April 30, 2018: European Radiology
https://www.readbyqxmd.com/read/29713145/inhibition-of-ghrelin-o-acyltransferase-attenuated-lipotoxicity-by-inducing-autophagy-via-ampk-mtor-pathway
#20
Shaoren Zhang, Yuqing Mao, Xiaoming Fan
Background: Nonalcoholic fatty liver disease (NAFLD) has been considered the most commonly occurring chronic hepatopathy in the world. Ghrelin o -acyltransferase (GOAT) is an acylation enzyme which has an acylated position 3 serine on ghrelin. Recent investigation revealed that activated autophagy could attenuate liver steatosis. The aim of this study was to explore therapeutic roles that inhibit GOAT exerted in NAFLD, and its potential association with autophagy. Materials and methods: Human LO2 cells were pretreated with siRNA-GOAT to induce liver steatosis using free fatty acids (FFAs)...
2018: Drug Design, Development and Therapy
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