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https://www.readbyqxmd.com/read/28724274/the-correlation-between-liver-fat-content-and-ulcerative-colitis-disease-severity
#1
Raika Jamali, Mohammad Biglari, Seyyed Vahid Seyyed Hosseini, Ali Shakouri Rad, Farid Kosari
To evaluate the association between disease severity and hepatic steatosis in patients with ulcerative colitis (UC) and non-alcoholic steatohepatitis (NASH). Consecutively selected UC patients admitted to the gastroenterology clinic were enrolled in the study. UC severity was assessed by Truelove and Witts classification. Patients with severe UC were excluded from the study. NASH was determined based on persistently elevated serum aminotransferase levels and detection of fatty liver ultrasound. Patients with other etiologies for elevated aminotransferase levels were excluded...
May 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28723981/intestinal-microbiota-in-digestive-diseases
#2
Maria do Carmo Friche Passos, Joaquim Prado Moraes-Filho
BACKGROUND: In recent years, especially after the development of sophisticated metagenomic studies, research on the intestinal microbiota has increased, radically transforming our knowledge about the microbiome and its association with health maintenance and disease development in humans. Increasing evidence has shown that a permanent alteration in microbiota composition or function (dysbiosis) can alter immune responses, metabolism, intestinal permeability, and digestive motility, thereby promoting a proinflammatory state...
July 6, 2017: Arquivos de Gastroenterologia
https://www.readbyqxmd.com/read/28723414/omega-3-polyunsaturated-fatty-acids-as-a-treatment-strategy-for-nonalcoholic-fatty-liver-disease
#3
REVIEW
Donald B Jump, Kelli A Lytle, Christopher M Depner, Sasmita Tripathy
Obese and type 2 diabetic (T2DM) patients have a high prevalence of nonalcoholic fatty liver disease (NAFLD). NAFLD is a continuum of chronic liver diseases ranging from benign hepatosteatosis to nonalcoholic steatohepatitis (NASH), cirrhosis and primary hepatocellular cancer (HCC). Because of its strong association with the obesity epidemic, NAFLD is rapidly becoming a major public health concern worldwide. Surprisingly, there are no FDA approved NAFLD therapies; and current therapies focus on the co-morbidities associated with NAFLD, namely, obesity, hyperglycemia, dyslipidemia, and hypertension...
July 16, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28723108/oral-exposure-of-silver-nanoparticles-or-silver-ions-may-aggravate-fatty-liver-disease-in-overweight-mice
#4
Jianbo Jia, Feifei Li, Hongyu Zhou, Yuhong Bai, Sijin Liu, Yiguo Jiang, Guibin Jiang, Bing Yan
As the applications and environmental release of silver ions and nanoparticles are increasing, growing human exposures to these pollutants have become an emerging health concerns. The impeding effects of such pollutants on susceptible populations are severely under-studied. Here, we demonstrate that Ag NPs, at a dose that causes no general toxicity in normal mice, promote the progression of fatty liver disease from steatosis to steatohepatitis only in overweight mice. Exposure to Ag+ ions induces the same effects in overweight mice...
July 19, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28720429/stable-isotope-based-flux-studies-in-nonalcoholic-fatty-liver-disease
#5
REVIEW
Arthur McCullough, Stephen Previs, Takhar Kasumov
Nonalcoholic fatty liver disease (NAFLD) is the most common chronic liver disease and is associated with the worldwide epidemics of obesity, diabetes and cardiovascular diseases. NAFLD ranges from benign fat accumulation in the liver (steatosis) to non-alcoholic steatohepatitis (NASH), and cirrhosis which can progress to hepatocellular carcinoma and liver failure. Mass spectrometry and magnetic resonance spectroscopy-coupled stable isotope-based flux studies provide new insights into the understanding of NAFLD pathogenesis and the disease progression...
July 15, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28719078/luseogliflozin-improves-liver-fat-deposition-compared-to-metformin-in-type-2-diabetes-patients-with-non-alcoholic-fatty-liver-disease-a-prospective-randomized-controlled-pilot-study
#6
Takashi Shibuya, Nobutoshi Fushimi, Miyuka Kawai, Yohei Yoshida, Hiroki Hachiya, Shun Ito, Hiromi Kawai, Noritsugu Ohashi, Akihiro Mori
Non-alcoholic fatty liver disease (NAFLD) often coexists with type 2 diabetes (T2D), and its prevalence in patients with T2D is estimated to be approximately 50%-60% in Japan.(1) In some patients with T2D, NAFLD can progress to non-alcoholic steatohepatitis (NASH) and further to liver cirrhosis and hepatocellular carcinoma (HCC).(2) Moreover, NAFLD is considered an independent risk factor for cardiovascular events.(3).
July 18, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28718215/usp18-protects-against-hepatic-steatosis-and-insulin-resistance-via-its-dub-activity
#7
Shimin An, Ling-Ping Zhao, Li-Jun Shen, Siyuan Wang, Kuo Zhang, Yu Qi, Jilin Zheng, Xiao-Jing Zhang, Xue-Yong Zhu, Rong Bao, Ling Yang, Yue-Xin Lu, Zhi-Gang She, Yi-Da Tang
Non-alcoholic fatty liver disease (NAFLD) is characterized by hepatic steatosis, impaired insulin sensitivity and chronic low-grade inflammation. However, the pathogenic mechanism of NAFLD is poorly understood, which hinders the exploration of possible treatments. Here, we first report that ubiquitin-specific protease 18 (USP18), a member of the deubiquitinating (DUB) enzyme family, plays regulatory roles in NAFLD progression. The expression of USP18 was down-regulated in the livers of non-alcoholic steatohepatitis (NASH) patients and high-fat diet (HFD) induced or genetically obese mice...
July 17, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28715695/new-liver-cancer-biomarkers-pi3k-akt-mtor-pathway-members-and-eukaryotic-translation-initiation-factors
#8
Nicole Golob-Schwarzl, Stefanie Krassnig, Anna M Toeglhofer, Young Nyun Park, Margit Gogg-Kamerer, Klemens Vierlinger, Fabian Schröder, Hyungjn Rhee, Rudolf Schicho, Peter Fickert, Johannes Haybaeck
Hepatocellular carcinoma (HCC) is the third leading cause of cancer-related deaths worldwide. The initiation of protein translation is an important rate-limiting step in eukaryotes and is crucial in many viral infections. Eukaryotic translation initiation factors (eIFs) are involved in the initiation step of protein translation and are linked to the phosphatidylinositol-3-kinases PI3K/AKT/mTOR pathway. Therefore we aimed to investigate a potential role of eIFs in HCC. We herein report on the immunohistochemical expression of the various eIF subunits in 235 cases of virus-related human HCC...
July 14, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28714405/emerging-targets-to-relieve-fat-stress-induced-liver-diseases-udca-tocotrienol-%C3%AF-3-pufas-and-igy-targeted-npc1l1-cholesterol-transporter
#9
Ji-Young Cha, Jong-Min Park, Ho-Jae Lee, Jin-Sik Bae, Young-Min Han, Byung-Chul Oh, Kwang Hyun Ko, Ki-Baik Hahm
Fat stress-induced liver disease is a hepatic manifestation of metabolic syndrome initiated by excess fat accumulation and encompasses a wide spectrum of diseases from non-alcoholic fatty liver disease to non-alcoholic steatohepatitis, a precursor lesion progressing to more aggressive liver cirrhosis and hepatocellular carcinoma. Although the incidence of these fat stress-induced liver diseases is rapidly increasing worldwide in parallel with the growing epidemics of obesity and metabolic diseases, its exact pathogenesis is not well defined...
July 14, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28713910/anti-obesity-effects-of-yellow-catfish-protein-hydrolysate-on-mice-fed-a-45-kcal-high-fat-diet
#10
Mi-Ryung Kim, Joo-Wan Kim, Jeong Been Park, Yong-Ki Hong, Sae Kwang Ku, Jae-Suk Choi
Obesity contributes to the etiologies of a variety of comorbid conditions, such as type 2 diabetes, hypertension and cardiovascular disease. In the present study, the anti-obesity effects of yellow catfish protein hydrolysate (YPh) were observed in mice fed a 45% kcal high-fat diet (HFD) compared with those of mice treated with simvastatin. The HFD-fed control mice exhibited noticeable increase in body weight, and whole-body and abdominal fat densities, periovarian and abdominal wall-deposited fat pad weight, as well as in the levels of triglycerides (TG), blood total cholesterol (TC), low-density lipoprotein, alanine aminotransferase, aspartate aminotransferase, creatinine, blood urea nitrogen, and in the fecal TG and TC contents...
July 10, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28712339/the-role-of-bariatric-surgery-in-nonalcoholic-fatty-liver-disease-and-nonalcoholic-steatohepatitis
#11
Daniel Shouhed, Justin Steggerda, Miguel Burch, Mazen Noureddin
Nonalcoholic fatty liver disease (NAFLD) affects between 25% and 33% of the population, is more common in obese individuals, and is the most common cause of chronic liver disease in the United States. However, despite rising prevalence, effective treatments remain limited. Areas covered: We performed a literature search across multiple databases (Pubmed, Medline, etc.) to identify significant original research and review articles to provide an up-to-date and concise overview of disease pathogenesis and diagnostic evaluation and to expand on available treatment options with a specific focus on the potential role of bariatric surgery...
July 17, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28711933/dysregulated-expression-of-proteins-associated-with-er-stress-autophagy-and-apoptosis-in-tissues-from-nonalcoholic-fatty-liver-disease
#12
Seungwoo Lee, Soohee Kim, Seungwoo Hwang, Nathan J Cherrington, Doug-Young Ryu
Nonalcoholic fatty liver disease (NAFLD) is categorized into nonalcoholic fatty liver (NAFL) and nonalcoholic steatohepatitis (NASH) and has emerged as a risk factor for more critical clinical conditions. However, the underlying mechanisms of NAFLD pathogenesis are not fully understood. In this study, expression of proteins associated with endoplasmic reticulum (ER) stress, apoptosis and autophagy were analyzed in normal, NAFL and NASH human livers by western blotting. Levels of some ER stress-transducing transcription factors, including cleaved activating transcription factor 6, were higher in NASH than in the normal tissues...
June 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28711599/arachidonic-acid-sex-dependently-affects-obesity-through-linking-gut-microbiota-driven-inflammation-to-hypothalamus-adipose-liver-axis
#13
Pan Zhuang, Qiyang Shou, Yanhua Lu, Guangfa Wang, Jieni Qiu, Jun Wang, Lilin He, Jingnan Chen, Jingjing Jiao, Yu Zhang
Unraveling the role of dietary lipids is beneficial to treat obesity and metabolic dysfunction. Nonetheless, how dietary lipids affect existing obesity remains unknown. Arachidonic acid (AA), a derivative of linoleic acid, is one of the crucial n-6 fatty acids. The aim of this study was to investigate whether AA affects obesity through associating microbiota-driven inflammation with hypothalamus-adipose-liver axis. Four-week old C57BL/6J mice were fed with a high-fat diet (HFD, 45% fat) for 10 weeks to induce obesity, and then fed a HFD enriched with 10 g/kg of AA or a continuous HFD in the following 15 weeks...
July 12, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28711154/western-diet-induced-dysbiosis-in-farnesoid-x-receptor-knockout-mice-causes-persistent-hepatic-inflammation-after-antibiotic-treatment
#14
Prasant K Jena, Lili Sheng, Hui-Xin Liu, Karen M Kalanetra, Annie Mirsoian, William J Murphy, Samuel W French, Viswanathan V Krishnan, David A Mills, Yu-Jui Yvonne Wan
Patients who have liver cirrhosis and liver cancer also have reduced farnesoid X receptor (FXR). The current study analyzes the effect of diet through microbiota that affect hepatic inflammation in FXR knockout (KO) mice. Wild-type and FXR KO mice were on a control (CD) or Western diet (WD) for 10 months. In addition, both CD- and WD-fed FXR KO male mice, which had hepatic lymphocyte and neutrophil infiltration, were treated by vancomycin, polymyxin B, and Abx (ampicillin, neomycin, metronidazole, and vancomycin)...
July 11, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28710282/function-of-inhibitor-of-brutons-tyrosine-kinase-isoform-%C3%AE-ibtk%C3%AE-in-nonalcoholic-steatohepatitis-links-autophagy-and-the-unfolded-protein-response
#15
Jeffrey A Willy, Sara K Young, Amber L Mosley, Samer Gawrieh, James L Stevens, Howard C Masuoka, Ronald C Wek
Nonalcoholic fatty liver disease (steatosis) is the most prevalent liver disease in the Western world. One of the advanced pathologies is non Non-alcoholic steatohepatitis (NASH), which is associated with induction of the Unfolded protein response (UPR) and disruption of autophagic flux. However, the mechanisms by which these processes contribute to the pathogenesis of human diseases are unclear. Herein we identify the α isoform of the inhibitor of Brutons tyrosine kinase (IBTKα) as a member of the UPR whose expression is preferentially translated during endoplasmic reticulum (ER) stress...
July 14, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28708468/a-botanical-composition-from-morus-alba-ilex-paraguariensis-and-rosmarinus-officinalis-for-body-weight-management
#16
Mesfin Yimam, Ping Jiao, Mei Hong, Lidia Brownell, Young-Chul Lee, Hyun-Jin Kim, Jeong-Bum Nam, Mi-Ran Kim, Qi Jia
Obesity is the largest and fastest growing public health catastrophe in the world affecting both adults and children with a prevalence impacting more than one-third of United States (US) adult population. Although the long-term solution lies in lifestyle changes in the form of dieting and exercise, intervention is required for those who are already obese. Unfortunately, treatment options remain quite limited due to associated side effects of conventional therapeutics. As a natural alternative, in this study we describe the beneficial effect of a standardized composition (UP603) comprised of extracts from Morus alba, Ilex paraguariensis, and Rosmarinus officinalis in improving metabolic disorders in high fat diet (HFD) and high fat & high fructose diet (HFFD) induced obese C57BL/6J mice...
July 14, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28705785/determination-of-certain-bacterial-groups-in-gut-microbiota-and-endotoxin-levels-in-patients-with-nonalcoholic-steatohepatitis
#17
Ceren Özkul, Meltem Yalınay, Tarkan Karakan, Güldal Yılmaz
BACKGROUND/AIMS: In recent years, the role of the gut microbiota has emerged in several diseases. Herein we aimed to determine the fecal microbiota, endotoxin levels, and inflammation markers in patients with nonalcoholic steatohepatitis (NASH) and healthy controls. MATERIALS AND METHODS: A total of 46 NASH patients and 38 healthy controls were included. NASH patients were diagnosed according to the steatosis, activity, and fibrosis score/fatty liver inhibition of progression algorithm...
July 13, 2017: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/28702877/absorption-distribution-metabolism-and-excretion-of-14-c-volixibat-in-healthy-men-phase-1-open-label-study
#18
Nicholas Siebers, Melissa Palmer, Debra G Silberg, Lee Jennings, Caleb Bliss, Patrick T Martin
BACKGROUND AND OBJECTIVES: Volixibat is a potent inhibitor of the apical sodium-dependent bile acid transporter in development for the treatment of nonalcoholic steatohepatitis. This phase 1, open-label study investigated the absorption, distribution, metabolism, and excretion of [(14)C]-volixibat in heathy men. METHODS: Eligible men (n = 8) aged 18-50 years (body mass index 18.0-30.0 kg/m(2); weight >50 kg) received a single oral dose of [(14)C]-volixibat 50 mg containing ~5...
July 12, 2017: European Journal of Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/28702667/microengineered-cultures-containing-human-hepatic-stellate-cells-and-hepatocytes-for-drug-development
#19
Matthew D Davidson, David A Kukla, Salman R Khetani
In non-alcoholic steatohepatitis (NASH), hepatic stellate cells (HSC) differentiate into myofibroblast-like cells that cause fibrosis, which predisposes patients to cirrhosis and hepatocellular carcinoma. Thus, modeling interactions between activated HSCs and hepatocytes in vitro can aid in the development of anti-NASH/fibrosis therapeutics and lead to a better understanding of disease progression. Species-specific differences in drug metabolism and disease pathways now necessitate the supplementation of animal studies with data acquired using human liver models; however, current models do not adequately model the negative effects of primary human activated HSCs on the phenotype of otherwise well-differentiated primary human hepatocytes (PHHs) as in vivo...
July 12, 2017: Integrative Biology: Quantitative Biosciences From Nano to Macro
https://www.readbyqxmd.com/read/28701893/risk-assessment-of-hepatocellular-carcinoma-in-general-population-by-liver-stiffness-in-combination-with-controlled-attenuation-parameter-using-transient-elastography-a-cross-sectional-study
#20
Takaaki Sugihara, Masahiko Koda, Tomomitsu Matono, Kinya Okamoto, Yoshikazu Murawaki, Hajime Isomoto, Shiho Tokunaga
BACKGROUND: Hepatocellular carcinoma (HCC) in patients without hepatitis B (HBV) and -C virus (HCV) infection are increasing in Japan. Method for detecting high-risk liver diseases of HCC in general population has still not been established. Liver stiffness measurement (LSM) and Controlled Attenuation Parameter (CAP) using transient elastography (TE; FibroScan System) are useful for detecting liver fibrosis and steatosis. The aim of this study is to clarify TE for risk assessment of HCC in general population...
June 2017: Yonago Acta Medica
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