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https://www.readbyqxmd.com/read/27910154/interferon-free-regimens-improve-portal-hypertension-and-histological-necroinflammation-in-hiv-hcv-patients-with-advanced-liver-disease
#1
P Schwabl, M Mandorfer, S Steiner, B Scheiner, D Chromy, M Herac, T Bucsics, H Hayden, K Grabmeier-Pfistershammer, A Ferlitsch, G Oberhuber, M Trauner, M Peck-Radosavljevic, T Reiberger
BACKGROUND: HIV/HCV co-infected patients show accelerated fibrosis progression and higher risk for complications of portal hypertension (PHT). AIM: To assess the effects of interferon-free therapy on portal pressure, liver histology and plasma biomarkers in HIV/HCV-coinfected patients with PHT. METHODS: Twenty-two patients with paired hepatic venous pressure gradient (HVPG) measurements prior and after successful treatment (SVR) with interferon-free regimens were included...
January 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27908430/evaluation-of-tissue-metal-and-trace-element-content-in-a-rat-model-of-non-alcoholic-fatty-liver-disease-using-icp-drc-ms
#2
Eugenia R Gatiatulina, Elizaveta V Popova, Valentina S Polyakova, Anastasia A Skalnaya, Eduard F Agletdinov, Alexandr A Nikonorov, Anatoly V Skalny, Alexey A Tinkov
The primary objective of the study was to assess the level of metals and trace elements in liver, serum, and hair of rats with diet-induced non-alcoholic fatty liver disease (NAFLD) using inductively coupled plasma dynamic reaction cell mass spectrometer (ICP-DRC-MS). 56 female 3-months-old Wistar rats divided into two equal groups were fed either standard (10% calories from fat) or high-fat high-carbohydrate diet (60% calories from fat in chow and 10% sucrose solution) for 6 weeks. Serum was examined for insulin resistance markers, lipid profile, and alanine aminotransferase (ALT) activity...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27908400/low-hepatic-copper-content-and-pnpla3-polymorphism-in-non-alcoholic-fatty-liver-disease-in-patients-without-metabolic-syndrome
#3
Albert Friedrich Stättermayer, Stefan Traussnigg, Elmar Aigner, Christian Kienbacher, Ursula Huber-Schönauer, Petra Steindl-Munda, Andreas Stadlmayr, Friedrich Wrba, Michael Trauner, Christian Datz, Peter Ferenci
INTRODUCTION: The pathogenesis of non-alcoholic fatty liver disease (NAFLD) is multifactorial including metabolic, genetic (e.g. PNPLA3 [patatin-like phospholipase domain-containing 3 gene]), viral factors and drugs. Besides, there is evidence for a role of copper deficiency. Aim of the study was to evaluate the role of hepatic copper content, PNPLA3 in NAFLD patients with and without metabolic syndrome (MetS). METHODS: One-hundred seventy-four NAFLD patients, who underwent liver biopsy for diagnostic work-up, were studied...
January 2017: Journal of Trace Elements in Medicine and Biology
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/27907035/exendin-4-inhibits-hepatic-lipogenesis-by-increasing-%C3%AE-catenin-signaling
#5
Mi Hae Seo, Jinmi Lee, Seok-Woo Hong, Eun-Jung Rhee, Se Eun Park, Cheol Young Park, Ki Won Oh, Sung Woo Park, Won-Young Lee
The aim of this study is to investigate whether the beneficial effect of exendin-4 on hepatic steatosis is mediated by β-catenin signaling. After the HepG2 human hepatoma cells were treated with PA for 24 hours, total triglycerides levels were increased in a dose-dependent manner, and the expression levels of perilipin family members were upregulated in cells treated with 400 μM PA. For our in vitro model of hepatic steatosis, HepG2 cells were treated with 400 μM palmitic acid (PA) in the presence or absence of 100 nM exendin-4 for 24 hours...
2016: PloS One
https://www.readbyqxmd.com/read/27906714/central-nervous-system-regulation-of-hepatic-lipid-and-lipoprotein-metabolism
#6
Jennifer Taher, Sarah Farr, Khosrow Adeli
PURPOSE OF REVIEW: Hepatic lipid and lipoprotein metabolism is an important determinant of fasting dyslipidemia and the development of fatty liver disease. Although endocrine factors like insulin have known effects on hepatic lipid homeostasis, emerging evidence also supports a regulatory role for the central nervous system (CNS) and neuronal networks. This review summarizes evidence implicating a bidirectional liver-brain axis in maintaining metabolic lipid homeostasis, and discusses clinical implications in insulin-resistant states...
November 30, 2016: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/27905898/physical-activity-and-sedentary-behavior-can-modulate-the-effect-of-the-pnpla3-variant-on-childhood-nafld-a-case-control-study-in-a-chinese-population
#7
Shuo Wang, Jieyun Song, Xiaorui Shang, Nitesh Chawla, Yide Yang, Xiangrui Meng, Haijun Wang, Jun Ma
BACKGROUND: The patatin like phospholipase containing domain 3 gene (PNPLA3) rs738409 C > G polymorphism, one of the most important gene polymorphisms involved in hepatic steatosis, has been reported to interact with different nutrients and dietary patterns on Non-Alcoholic Fatty Liver Disease (NAFLD), but no studies have focused on its interaction with physical activity or sedentary behavior. Therefore, this study aims at determining whether physical activity or sedentary behavior could modulate the effect of the PNPLA3 variant on childhood NAFLD...
December 1, 2016: BMC Medical Genetics
https://www.readbyqxmd.com/read/27903836/sericin-ameliorated-dysmorphic-mitochondria-in-high-cholesterol-diet-streptozotocin-rat-by-antioxidative-property
#8
Sumate Ampawong, Duangnate Isarangkul, Pornanong Aramwit
Sericin has been implicated in lower cholesterolemic effect due to its properties with several mechanisms. Mitochondria are one of the most important targets to be affected in high blood cholesterol and glucose conditions. The protective role of sericin on mitochondria remains doubtful. To examine this role, electron microscopic, histopathologic, immunohistochemical, and biochemical studies were performed in a high-cholesterol diet/streptozotocin rat model. The results demonstrated that sericin reduced blood cholesterol without hypoglycemic effect...
November 29, 2016: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27903831/dietary-mung-bean-protein-reduces-hepatic-steatosis-fibrosis-and-inflammation-in-male-mice-with-diet-induced-nonalcoholic-fatty-liver-disease
#9
Hitoshi Watanabe, Yuka Inaba, Kumi Kimura, Shun-Ichiro Asahara, Yoshiaki Kido, Michihiro Matsumoto, Takayasu Motoyama, Nobuhiko Tachibana, Shuichi Kaneko, Mitsutaka Kohno, Hiroshi Inoue
BACKGROUND: As the prevalence of nonalcoholic fatty liver disease (NAFLD), including steatosis and nonalcoholic steatohepatitis, is increasing, novel dietary approaches are required for the prevention and treatment of NAFLD. OBJECTIVE: We evaluated the potential of mung bean protein isolate (MuPI) to prevent NAFLD progression. METHODS: In Expts. 1 and 2, the hepatic triglyceride (TG) concentration was compared between 8-wk-old male mice fed a high-fat diet (61% of energy from fat) containing casein, MuPI, and soy protein isolate and an MuPI-constituent amino acid mixture as a source of amino acids (18% of energy) for 4 wk...
November 30, 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/27903585/autophagy-in-chronic-liver-diseases-the-two-faces-of-janus
#10
Philippe Gual, Helene Gilgenkrantz, Sophie Lotersztajn
Alcoholic liver disease (ALD) and non-alcoholic fatty liver disease (NAFLD) are the leading causes of cirrhosis and increase the risk of hepatocellular carcinoma and liver-related death. ALD and NAFLD share common pathogenic features extending from isolated steatosis to steatohepatitis, steatofibrosis, which can progress to cirrhosis and hepatocellular carcinoma. The pathophysiological mechanisms of the progression of NAFLD and ALD are complex and still unclear. Important links between the regulation of autophagy (Macroautophagy and Chaperome-mediated autophagy) and chronic liver diseases have been reported...
November 30, 2016: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/27898698/myeloid-dll4-does-not-contribute-to-the-pathogenesis-of-non-alcoholic-steatohepatitis-in-ldlr-mice
#11
Mike L J Jeurissen, Sofie M A Walenbergh, Tom Houben, Tim Hendrikx, Jieyi Li, Yvonne Oligschlaeger, Patrick J van Gorp, Marion J J Gijbels, Albert Bitorina, Isabell Nessel, Freddy Radtke, Marc Vooijs, Jan Theys, Ronit Shiri-Sverdlov
Non-alcoholic steatohepatitis (NASH) is characterized by liver steatosis and inflammation. Currently, the underlying mechanisms leading to hepatic inflammation are not fully understood and consequently, therapeutic options are poor. Non-alcoholic steatohepatitis (NASH) and atherosclerosis share the same etiology whereby macrophages play a key role in disease progression. Macrophage function can be modulated via activation of receptor-ligand binding of Notch signaling. Relevantly, global inhibition of Notch ligand Delta-Like Ligand-4 (DLL4) attenuates atherosclerosis by altering the macrophage-mediated inflammatory response...
2016: PloS One
https://www.readbyqxmd.com/read/27898581/kinetics-of-plasma-triglycerides-in-abdominal-obesity
#12
Elias Björnson, Martin Adiels, Marja-Riitta Taskinen, Jan Borén
PURPOSE OF REVIEW: Abdominal obesity is associated with a number of important metabolic abnormalities including liver steatosis, insulin resistance and an atherogenic lipoprotein profile (termed dyslipidemia). The purpose of this review is to highlight recent progress in understanding the pathogenesis of this dyslipidemia. RECENT FINDINGS: Recent results from kinetic studies using stable isotopes indicate that the hypertriglyceridemia associated with abdominal obesity stems from dual mechanisms: (1) enhanced secretion of triglyceride-rich lipoproteins and (2) impaired clearance of these lipoproteins...
November 24, 2016: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/27895822/linagliptin-alleviates-fatty-liver-disease-in-diabetic-db-db-mice
#13
Svetlana V Michurina, Irina Ju Ishenko, Vadim V Klimontov, Sergey A Archipov, Natalia E Myakina, Marina A Cherepanova, Eugenii L Zavjalov, Galina V Koncevaya, Vladimir I Konenkov
AIM: To study the effects of linagliptin on the structural signs of non-alcoholic fatty liver disease (NAFLD) in db/db mice. METHODS: Male diabetic db/db mice (BKS.Cg-Dock7(m+)/(+)Lepr(db)/J) aged 10 wk received the dipeptidyl peptidase 4 (DPP4) inhibitor linagliptin (10 mg/kg) or saline as a placebo once per day by gavage for 8 wk. Intact db/db mice served as controls. Structural changes in the liver were analyzed from light and electron microscopic images of sections from intact, placebo-treated and linagliptin-treated animals...
November 15, 2016: World Journal of Diabetes
https://www.readbyqxmd.com/read/27895587/vitamin-d-signaling-through-induction-of-paneth-cell-defensins-maintains-gut-microbiota-and-improves-metabolic-disorders-and-hepatic-steatosis-in-animal-models
#14
Danmei Su, Yuanyang Nie, Airu Zhu, Zishuo Chen, Pengfei Wu, Li Zhang, Mei Luo, Qun Sun, Linbi Cai, Yuchen Lai, Zhixiong Xiao, Zhongping Duan, Sujun Zheng, Guihui Wu, Richard Hu, Hidekazu Tsukamoto, Aurelia Lugea, Zhenqui Liu, Stephen J Pandol, Yuan-Ping Han
Metabolic syndrome (MetS), characterized as obesity, insulin resistance, and non-alcoholic fatty liver diseases (NAFLD), is associated with vitamin D insufficiency/deficiency in epidemiological studies, while the underlying mechanism is poorly addressed. On the other hand, disorder of gut microbiota, namely dysbiosis, is known to cause MetS and NAFLD. It is also known that systemic inflammation blocks insulin signaling pathways, leading to insulin resistance and glucose intolerance, which are the driving force for hepatic steatosis...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27895397/th17-involvement-in-nonalcoholic-fatty-liver-disease-progression-to-non-alcoholic-steatohepatitis
#15
REVIEW
Carla Melisa Chackelevicius, Sabrina Eliana Gambaro, Claudio Tiribelli, Natalia Rosso
The nonalcoholic fatty liver disease (NAFLD) is the hepatic manifestation of the metabolic syndrome. NAFLD encompasses a wide histological spectrum ranging from benign simple steatosis to non-alcoholic steatohepatitis (NASH). Sustained inflammation in the liver is critical in this process. Hepatic macrophages, including liver resident macropaghes (Kupffer cells), monocytes infiltrating the injured liver, as well as specific lymphocytes subsets play a pivotal role in the initiation and perpetuation of the inflammatory response, with a major deleterious impact on the progression of fatty liver to fibrosis...
November 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27895393/emerging-role-of-obeticholic-acid-in-the-management-of-nonalcoholic-fatty-liver-disease
#16
EDITORIAL
Evangelia Makri, Evangelos Cholongitas, Konstantinos Tziomalos
Nonalcoholic fatty liver disease (NAFLD) is the commonest chronic liver disease and its prevalence is increasing driven by the pandemic of obesity and type 2 diabetes mellitus. NAFLD can progress to cirrhosis and is associated with increased risk for cardiovascular disease and hepatocellular cancer. Diet and exercise are limited by suboptimal long-term adherence in patients with NAFLD. On the other hand, current pharmacological treatment of NAFLD has limited efficacy and unfavorable safety profile. In this context, obeticholic acid (OCA), a selective agonist of the farnesoid X receptors, might represent a useful option in these patients...
November 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27890791/fecal-microbiota-manipulation-prevents-dysbiosis-and-alcohol-induced-liver-injury-in-mice
#17
Gladys Ferrere, Laura Wrzosek, Frédéric Cailleux, Williams Turpin, Virginie Puchois, Madeleine Spatz, Dragos Ciocan, Dominique Rainteau, Lydie Humbert, Cindy Hugot, Françoise Gaudin, Marie-Louise Noordine, Véronique Robert, Dominique Berrebi, Muriel Thomas, Sylvie Naveau, Gabriel Perlemuter, Anne-Marie Cassard
BACKGROUND AND AIMS: Alcoholic liver disease (ALD) is a leading cause of liver failure and mortality. In humans, severe alcoholic hepatitis is associated with key changes of intestinal microbiota (IM), which influences individual sensitivity to develop advanced ALD. We used the different susceptibility to ALD observed in two distinct animal facilities to test the efficiency of two complementary strategies (fecal microbiota transplantation and prebiotic treatment) to reverse dysbiosis and prevent ALD...
November 24, 2016: Journal of Hepatology
https://www.readbyqxmd.com/read/27890642/protective-effect-of-quercetin-on-high-fat-diet-induced-non-alcoholic-fatty-liver-disease-in-mice-is-mediated-by-modulating-intestinal-microbiota-imbalance-and-related-gut-liver-axis-activation
#18
David Porras, Esther Nistal, Susana Martínez-Flórez, Sandra Pisonero-Vaquero, José Luis Olcoz, Ramiro Jover, Javier González-Gallego, María Victoria García-Mediavilla, Sonia Sánchez-Campos
Gut microbiota is involved in obesity, metabolic syndrome and the progression of nonalcoholic fatty liver disease (NAFLD). It has been recently suggested that the flavonoid quercetin may have the ability to modulate the intestinal microbiota composition, suggesting a prebiotic capacity which highlights a great therapeutic potential in NAFLD. The present study aims to investigate benefits of experimental treatment with quercetin on gut microbial balance and related gut-liver axis activation in a nutritional animal model of NAFLD associated to obesity...
November 24, 2016: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/27889747/alisol-a-24-acetate-prevents-hepatic-steatosis-and-metabolic-disorders-in-hepg2-cells
#19
Lu Zeng, WaiJiao Tang, JinJin Yin, LiJuan Feng, Yabing Li, Xiaorui Yao, BenJie Zhou
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) is closely associated with metabolic disorders including hepatic lipid accumulation and inflammation. Alisol A 24-acetate, a triterpene from Alismatis rhizome, has multiple biologic activities such as hypolipidemic, anti-inflammatory and anti-diabetic. Thus we hypothesized that Alisol A 24 -acetate would have effect on NAFLD. The present study was conducted to investigate the therapeutic effects and potential mechanisms of Alisol A 24-acetate against hepatic steatosis in a free fatty acids (FFAs) induced NAFLD cell model...
November 25, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27889556/compact-bone-derived-mesenchymal-stem-cells-attenuate-nonalcoholic-steatohepatitis-in-a-mouse-model-by-modulation-of-cd4-cells-differentiation
#20
Huafeng Wang, Dong Wang, Luhong Yang, Yanxia Wang, Junli Jia, Dongchen Na, Huize Chen, Yongping Luo, Chengfang Liu
Increasing evidence has accrued which indicates that mesenchymal stem cells (MSCs) have a potential clinical value in the treatment of certain diseases. Globally, nonalcoholic steatohepatitis (NASH) is a widespread disorder. In the present study, MSCs were isolated successfully from compact bone and a mouse model of NASH was established as achieved with use of a methionine-choline deficient (MCD) diet. Compact bone-derived MSCs transplantation reduced MCD diet-induced weight loss, hepatic lipid peroxidation, steatosis, ballooning, lobular inflammation and fibrogenesis...
November 24, 2016: International Immunopharmacology
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