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https://www.readbyqxmd.com/read/27911262/magnetic-resonance-elastography-vs-transient-elastography-in-detection-of-fibrosis-and-noninvasive-measurement-of-steatosis-in-patients-with-biopsy-proven-nonalcoholic-fatty-liver-disease
#1
Charlie C Park, Phirum Nguyen, Carolyn Hernandez, Ricki Bettencourt, Kimberly Ramirez, Lynda Fortney, Jonathan Hooker, Ethan Sy, Mosab H Alquiraish, Mark A Valasek, Emily Rizo, Lisa Richards, David Brenner, Claude B Sirlin, Rohit Loomba
BACKGROUND & AIMS: Magnetic-resonance-imaging (MRI) techniques and ultrasound-based transient elastography (TE) can be used in noninvasive diagnosis of fibrosis and steatosis in patients with nonalcoholic fatty liver disease (NAFLD). We performed a prospective study to compare the performance of magnetic resonance elastography (MRE) vs TE for in diagnosis of fibrosis, and MRI-based proton density fat fraction (MRI-PDFF) analysis vs TE-based controlled attenuation parameter (CAP) for diagnosis of steatosis in patients undergoing biopsy to assess NAFLD...
October 27, 2016: Gastroenterology
https://www.readbyqxmd.com/read/27909560/induction-of-heme-oxygenase-1-with-dietary-quercetin-reduces-obesity-induced-hepatic-inflammation-through-macrophage-phenotype-switching
#2
Chu-Sook Kim, Hye-Seon Choi, Yeonsoo Joe, Hun Taeg Chung, Rina Yu
BACKGROUND/OBJECTIVES: Obesity-induced steatohepatitis accompanied by activated hepatic macrophages/Kupffer cells facilitates the progression of hepatic fibrinogenesis and exacerbates metabolic derangements such as insulin resistance. Heme oxyganase-1 (HO-1) modulates tissue macrophage phenotypes and thus is implicated in protection against inflammatory diseases. Here, we show that the flavonoid quercetin reduces obesity-induced hepatic inflammation by inducing HO-1, which promotes hepatic macrophage polarization in favor of the M2 phenotype...
December 2016: Nutrition Research and Practice
https://www.readbyqxmd.com/read/27908750/mesenchymal-stromal-cell-based-therapies-reduce-obesity-and-metabolic-syndromes-induced-by-a-high-fat-diet
#3
Chien-Wei Lee, Wei-Ting Hsiao, Oscar K Lee
Obesity is an alarming global health problem that results in multiaspect metabolic syndromes in both genders and most age groups. The lack of effective therapies for obesity and its associated metabolic syndrome is an urgent societal issue. To elucidate whether mesenchymal stromal cell (MSC)-based therapies can ameliorate high-fat diet-induced obesity and compare the effectiveness of several methodological approaches, we transplanted human MSCs, MSC-derived brown adipocytes (M-BA), and MSC lysateinto obese mice...
November 12, 2016: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/27908400/low-hepatic-copper-content-and-pnpla3-polymorphism-in-non-alcoholic-fatty-liver-disease-in-patients-without-metabolic-syndrome
#4
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/27907186/inter-tissue-gene-co-expression-networks-between-metabolically-healthy-and-unhealthy-obese-individuals
#5
Lisette J A Kogelman, Jingyuan Fu, Lude Franke, Jan Willem Greve, Marten Hofker, Sander S Rensen, Haja N Kadarmideen
BACKGROUND: Obesity is associated with severe co-morbidities such as type 2 diabetes and nonalcoholic steatohepatitis. However, studies have shown that 10-25 percent of the severely obese individuals are metabolically healthy. To date, the identification of genetic factors underlying the metabolically healthy obese (MHO) state is limited. Systems genetics approaches have led to the identification of genes and pathways in complex diseases. Here, we have used such approaches across tissues to detect genes and pathways involved in obesity-induced disease development...
2016: PloS One
https://www.readbyqxmd.com/read/27906700/update-on-lipid-species-and-paediatric-nonalcoholic-fatty-liver-disease
#6
Jake P Mann, Ariel E Feldstein, Valerio Nobili
PURPOSE OF REVIEW: To describe the recent advances in our understanding of fatty acids and lipids in paediatric nonalcoholic fatty liver disease (NAFLD) and their future implications. RECENT FINDINGS: Data have been accumulated to suggest that ceramides are the main drivers of hepatic insulin resistance in NAFLD, and inhibition of ceramide synthesis improves histology in mice.Saturated fatty acids formed by de novo lipogenesis generate increased lipotoxicity compared with dietary-derived saturated fatty acids...
November 30, 2016: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/27904677/an-engineered-fgf21-variant-ly2405319-can-prevent-non-alcoholic-steatohepatitis-by-enhancing-hepatic-mitochondrial-function
#7
Ju Hee Lee, Yea Eun Kang, Joon Young Chang, Ki Cheol Park, Hyeon-Woo Kim, Jung Tae Kim, Hyun Jin Kim, Hyon-Seung Yi, Minho Shong, Hyo Kyun Chung, Koon Soon Kim
Non-alcoholic fatty liver disease (NAFLD) is a prevalent obesity-related disease that affects large populations throughout the world due to excessive calorie intake and an increasingly sedentary lifestyle. Fibroblast growth factor 21 (FGF21) has recently emerged as a promising therapeutic candidate for the treatment of obesity and diabetes. FGF21 is a starvation-induced pleiotropic hormone with various beneficial metabolic effects, and pharmacological treatment in rodents has been shown to improve insulin sensitivity and decrease simple fatty liver disease...
2016: American Journal of Translational Research
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
#8
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
#9
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/27901086/glycycoumarin-inhibits-hepatocyte-lipoapoptosis-through-activation-of-autophagy-and-inhibition-of-er-stress-gsk-3-mediated-mitochondrial-pathway
#10
Enxiang Zhang, Shutao Yin, Xinhua Song, Lihong Fan, Hongbo Hu
Herbal medicine as an alternative approach in the treatment of disease has drawn growing attention. Identification of the active ingredient is needed for effective utilization of the herbal medicine. Licorice is a popular herbal plant that is widely used to treat various diseases including liver diseases. Glycycoumarin (GCM) is a representative of courmarin compounds isolated from licorice. In the present study, the protective effect of GCM on hepatocyte lipoapoptosis has been evaluated using both cell culture model of palmitate-induced lipoapoptosis and animal model of non-alcoholic steatohepatitis (NASH)...
November 30, 2016: Scientific Reports
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/27895397/th17-involvement-in-nonalcoholic-fatty-liver-disease-progression-to-non-alcoholic-steatohepatitis
#12
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
#13
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/27893763/the-role-of-morbid-obesity-in-the-promotion-of-metabolic-disruptions-and-non-alcoholic-steatohepatitis-by-helicobacter-pylori
#14
Albert Lecube, Silvia Valladares, Carolina López-Cano, Liliana Gutiérrez, Andreea Ciudin, José Manuel Fort, Josep Maria Reñé, Xavier Matias-Guiu, Inés de Torres, Marta Bueno, Judit Pallarés, Juan Antonio Baena
BACKGROUND: Helicobacter pylory (HP) infection has been associated to an increased rate of type 2 diabetes (T2D) and liver disease through its effect on insulin resistance and systemic inflammation. However, results are inconstant and no studies exist in morbidly obese patients, in which both insulin resistance and inflammation coexist. MATERIAL AND METHODS: Cross-sectional study to evaluate the relationship between HP infection and alterations in carbohydrate metabolism, lipid profile, inflammation markers, and liver disease in patients awaiting for bariatric surgery...
2016: PloS One
https://www.readbyqxmd.com/read/27891128/immune-imbalances-in-non-alcoholic-fatty-liver-disease-from-general-biomarkers-and-neutrophils-to-interleukin-17-axis-activation-and-new-therapeutic-targets
#15
REVIEW
Feliciano Chanana Paquissi
Non-alcoholic fatty liver disease (NAFLD) is an increasing problem worldwide and is associated with negative outcomes such as cirrhosis, hepatocellular carcinoma, insulin resistance, diabetes, and cardiovascular events. Current evidence shows that the immune response has an important participation driving the initiation, maintenance, and progression of the disease. So, various immune imbalances, from cellular to cytokines levels, have been studied, either for better compression of the disease pathophysiology or as biomarkers for severity assessment and outcome prediction...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27889947/pathological-findings-of-nash-and-nafld
#16
Kathryn Effendi, Kenichi Harada, Etsuko Hashimoto, Masayoshi Kage, Kazuhiko Koike, Fukuo Kondo, Masayuki Nakano, Hidenori Ojima, Takeshi Okanoue, Michiie Sakamoto, Yoshio Sumida, Hanako Tsujikawa, Gotaro Yamada, Yoh Zen
Nonalcoholic fatty liver disease (NAFLD) is an increasingly common chronic liver disease worldwide. NAFLD comprises a variety of clinical and histopathological changes that can be broadly divided into nonalcoholic fatty liver (NAFL, simple steatosis) and nonalcoholic steatohepatitis (NASH). The differential diagnosis between NAFL and NASH is important because NASH is a more advanced form. This diagnosis therefore determines the prognosis and therapeutic management. At present the interpretation of NASH is made based on the histopathological features of steatohepatitis, i...
November 27, 2016: Hepatology Research: the Official Journal of the Japan Society of Hepatology
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
#17
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
https://www.readbyqxmd.com/read/27889327/epigenetics-in-non-alcoholic-fatty-liver-disease
#18
REVIEW
Jooho Lee, Yuri Kim, Simonetta Friso, Sang-Woon Choi
Non-alcoholic fatty liver disease (NAFLD), a common hepatic disorder ranging from simple steatosis through steatohepatitis to fibrosis and cirrhosis, is an emerging health concern. NAFLD is a pathologic condition characterized by the buildup of extra fat in liver cells that is not caused by alcohol consumption. Excess hepatic fat accumulation results from increased delivery of triglycerides (TG) to the liver or conversion of surplus carbohydrates to TG. Importantly, a subgroup of NAFLD results in hepatocellular injury and inflammation, which is referred to as non-alcoholic steatohepatitis (NASH), and may progress to irreversible cirrhosis and hepatocellular carcinoma (HCC)...
November 23, 2016: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/27889186/circadian-homeostasis-of-liver-metabolism-suppresses-hepatocarcinogenesis
#19
Nicole M Kettner, Horatio Voicu, Milton J Finegold, Cristian Coarfa, Arun Sreekumar, Nagireddy Putluri, Chinenye A Katchy, Choogon Lee, David D Moore, Loning Fu
Chronic jet lag induces spontaneous hepatocellular carcinoma (HCC) in wild-type mice following a mechanism very similar to that observed in obese humans. The process initiates with non-alcoholic fatty liver disease (NAFLD) that progresses to steatohepatitis and fibrosis before HCC detection. This pathophysiological pathway is driven by jet-lag-induced genome-wide gene deregulation and global liver metabolic dysfunction, with nuclear receptor-controlled cholesterol/bile acid and xenobiotic metabolism among the top deregulated pathways...
November 14, 2016: Cancer Cell
https://www.readbyqxmd.com/read/27884920/systematic-review-of-bariatric-surgery-liver-biopsies-clarifies-the-natural-history-of-liver-disease-in-patients-with-severe-obesity
#20
Pierre Bedossa, Joan Tordjman, Judith Aron-Wisnewsky, Christine Poitou, Jean-Michel Oppert, Adriana Torcivia, Jean-Luc Bouillot, Valerie Paradis, Vlad Ratziu, Karine Clément
OBJECTIVE: Non-alcoholic fatty liver disease (NAFLD) is a frequent complication of morbid obesity, but its severity varies greatly and thus there is a strong need to better define its natural history in these patients. DESIGN: Liver biopsies were systematically performed in 798 consecutive patients with severe obesity undergoing bariatric surgery. Histology was compared with clinical, biological, anthropometrical and body composition characteristics. RESULTS: Patients with presumably normal liver (n=179, 22%) were significantly younger at bariatric surgery than patients with NAFLD (37...
November 24, 2016: Gut
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