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Hepatology: Official Journal of the American Association for the Study of Liver Diseases

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https://www.readbyqxmd.com/read/27880989/validation-of-the-prognostic-value-of-histologic-scoring-systems-in-primary-sclerosing-cholangitis-an-international-cohort-study
#1
Elisabeth M G De Vries, Manon de Krijger, Martti Farkkila, Johanna Arola, Peter Schirmacher, Daniel Gotthardt, Benjamin Goeppert, Palak J Trivedi, Gideon M Hirschfield, Henriette Ytting, Ben Vainer, Henk R van Buuren, Katharina Biermann, Maren H Harms, Olivier Chazouilleres, Dominique Wendum, Astrid Donald Kemgang, Roger W Chapman, Lai Mun Wang, Kate D Williamson, Annette S H Gouw, Valerie Paradis, Christine Sempoux, Ulrich Beuers, Stefan Hubscher, Joanne Verheij, Cyriel Ponsioen
: Histologic scoring systems specific for primary sclerosing cholangitis (PSC) are not validated. We recently determined the applicability and prognostic value of three histological scoring systems in a single PSC cohort. The aim of this study was to validate their prognostic utility and reproducibility, across a multicenter PSC cohort. Liver biopsies from PSC patients were collected across 7 European centers. Histologic scoring was performed using the Nakanuma, Ishak, and Ludwig scoring systems...
November 23, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27880988/pioglitazone-for-advanced-fibrosis-in-nash-new-evidence-new-challenges
#2
Giovanni Musso, Maurizio Cassader, Elena Paschetta, Roberto Gambino
No abstract text is available yet for this article.
November 23, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27880981/a-novel-glucagon-like-peptide-1-glucagon-receptor-dual-agonist-improves-steatohepatitis-and-liver-regeneration-in-mice
#3
M Pilar Valdecantos, Virginia Pardo, Laura Ruiz, Luis Castro-Sánchez, Borja Lanzón, Elisa Fernández-Millán, Carmelo García-Monzón, Ana I Arroba, Águeda González-Rodríguez, Fernando Escrivá, Álvarez Carmen, Francisco J Rupérez, Coral Barbas, Anish Konkar, Jacqui Naylor, David Hornigold, Ana Dos Santos, Maria Bednarek, Joseph Grimsby, Cristina M Rondinone, Ángela M Valverde
BACKGROUND AND AIMS: Since non-alcoholic steatohepatitis (NASH) is associated with impaired liver regeneration, we investigated the effects of G49, a dual glucagon-like peptide-1(GLP-1)/glucagon (GCG) receptor agonist, on NASH and hepatic regeneration. METHODS: C57Bl/6 mice fed chow or methionine and choline-deficient (MCD) diet for one week were divided into 4 groups: C (chow diet), MCD (MCD diet), C+G49 (chow diet plus G49) and M+G49 (MCD diet plus G49). Mice fed high fat diet (HFD) for 10 weeks were divided in groups: HFD and H+G49 (HFD plus G49)...
November 23, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27880978/defining-the-relationship-between-farsenoid-x-receptor-hepatitis-b-virus-x-protein-and-hcc-it-s-complicated
#4
EDITORIAL
Lindsey Kennedy, Heather Francis
The relationship between hepatitis B virus X protein (HBx), farsenoid X receptor (FXR) and hepatocellular carcinoma (HCC) is a complicated one in that we have a viral protein interaction that can drive tumorigenesis or inhibit HCC depending upon transactivation of full-length or truncated HBx. In the current article the authors have elegantly described a system of HBx-FXR interaction that demonstrates inhibition of HCC tumor growth via activation of full-length HBx. The paper employs both in vivo and in vitro studies including using FXR knockout mice crossed with HBx induced mice...
November 23, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27880977/bariatric-surgery-for-nonalcoholic-steatohepatitis-a-clinical-and-cost-effectiveness-analysis
#5
Matthew J Klebanoff, Kathleen E Corey, Jagpreet Chhatwal, Lee M Kaplan, Raymond T Chung, Chin Hur
: Nonalcoholic steatohepatitis (NASH) affects 2-3% of the U.S. population and is expected to become the leading indication for liver transplantation in the next decade. Bariatric surgery may be an effective but expensive treatment for NASH. Using a state-transition model, our analysis aimed to assess the effectiveness and cost-effectiveness of surgery to manage NASH. We simulated the benefits and harms of laparoscopic Roux-en-Y gastric bypass surgery in patients defined by weight class (overweight, mild obesity, moderate obesity, and severe obesity) and fibrosis stage (F0-F3)...
November 23, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27880976/a-novel-quantitative-microarray-antibody-capture-q-mac-assay-identifies-an-extremely-high-hdv-prevalence-amongst-hbv-infected-mongolians
#6
Xiaohua Chen, Odgerel Oidovsambuu, Ping Liu, Rosslyn Grosely, Menashe Elazar, Virginia D Winn, Benjamin Fram, Zhang Boa, Hongjie Dai, Bekhbold Dashtseren, Dahgwahdorj Yagaanbuyant, Zulkhuu Genden, Naranbaatar Dashdorj, Andreas Bungert, Naranjargal Dashdorj, Jeffrey S Glenn
: Hepatitis delta virus (HDV) causes the most severe form of human viral hepatitis. HDV requires a hepatitis B virus (HBV) co-infection to provide HDV with HBV surface antigen envelope proteins. The net effect of HDV is to make the underlying HBV disease worse, including higher rates of hepatocellular carcinoma (HCC). Accurate assessments of current HDV prevalence have been hampered by the lack of readily available and reliable quantitative assays, combined with the absence of an FDA-approved therapy...
November 23, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27863453/a-new-class-of-hepatitis-b-and-d-virus-entry-inhibitors-proanthocyanidin-and-its-analogs-that-directly-act-on-the-viral-large-surface-proteins
#7
Senko Tsukuda, Koichi Watashi, Taichi Hojima, Masanori Isogawa, Masashi Iwamoto, Katsumi Omagari, Ryosuke Suzuki, Hideki Aizaki, Soichi Kojima, Masaya Sugiyama, Akiko Saito, Yasuhito Tanaka, Masashi Mizokami, Camille Sureau, Takaji Wakita
: Introduction of direct acting antivirals against hepatitis C virus (HCV) has provided a revolutionary improvement in the treatment outcome. In contrast to HCV, however, the strategy for developing new antiviral agents against hepatitis B virus (HBV), especially viral-targeting compounds, is limited since HBV requires only four viral genes for its efficient replication/infection. Here, we identify an oligomeric flavonoid, proanthocyanidin (PAC) and its analogs, which inhibit HBV entry into host cells by targeting the HBV large surface protein (LHBs)...
November 18, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27863449/il6-mediated-inflammatory-loop-reprograms-normal-to-emt-metastatic-cscs-in-pre-neoplastic-liver-of-tgf%C3%AE-deficient-%C3%AE-2sp-mice
#8
Abhisek Mitra, Jun Yan, Xueqing Xia, Shouhao Zhou, Jian Chen, Lopa Mishra, Shulin Li
Hepatocellular carcinoma (HCC) is the second-leading cause of cancer-related deaths world-wide with poor survival rate. As many as 40% of HCCs are clonal, with alteration of key tumor suppressor pathways in stem cells is the primary cause of HCC initiation. However, mechanisms that generate metastatic stem cells in pre-neoplastic liver tissue are not well understood. We hypothesized that chronic inflammation is a major driver of the transformation of genetically defective liver stem cells (LSCs) into highly metastatic liver cancer cells in premalignant liver tissue...
November 18, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27863448/lipid-zonation-and-phospholipid-remodeling-in-non-alcoholic-fatty-liver-disease
#9
Zoe Hall, Nicholas J Bond, Tom Ashmore, Francis Sanders, Zsuzsanna Ament, Xinzhu Wang, Andrew J Murray, Elena Bellafante, Sam Virtue, Antonio Vidal-Puig, Michael Allison, Susan E Davies, Albert Koulman, Michele Vacca, Julian L Griffin
: Non-alcoholic fatty liver disease (NAFLD) can progress from 'simple steatosis' (NAFL) to non-alcoholic steatohepatitis (NASH), cirrhosis and cancer. Currently the driver for this progression is not fully understood; in particular it is not known how NAFLD and its early progression affects the distribution of lipids in the liver, producing lipotoxicity and inflammation. Here we use dietary and genetic mouse models of NAFL and NASH, and translate results to humans, by correlating the spatial distribution of lipids in liver tissue with disease progression, using advanced mass spectrometry imaging technology...
November 18, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27863447/hepatitis-c-virus-infection-triggers-a-tumor-like-glutamine-metabolism
#10
Pierre L Lévy, Sarah Duponchel, Hannah Eischeid, Jennifer Molle, Maud Michelet, Gaëlle Diserens, Martina Vermathen, Peter Vermathen, Jean-Francois Dufour, Hans-Peter Dienes, Hans-Michael Steffen, Margarete Odenthal, Fabien Zoulim, Birke Bartosch
Chronic infection with hepatitis C virus (HCV) is one of the main causes of hepatocellular carcinoma. However, the molecular mechanisms linking the infection to cancer development remain poorly understood. Here we used HCV-infected cells and liver biopsies to study how HCV modulates the glutaminolysis pathway, which is known to play an important role in cellular energetics, stress defense and neoplastic transformation. Transcript levels of glutaminolytic factors were quantified in Huh7.5 cells or primary human hepatocytes infected with the JFH1 HCV strain as well as in biopsies of chronic HCV patients...
November 18, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27863442/loss-of-oatp1b3-function-causes-marked-delay-in-indocyanine-green-clearance-without-any-clinical-symptoms
#11
Tatehiro Kagawa, Yukihiko Adachi, Naoaki Hashimoto, Hiroshi Mitsui, Tomohiko Ohashi, Masashi Yoneda, Izumi Hasegawa, Shunji Hirose, Kota Tsuruya, Kazuya Anzai, Tetsuya Mine
No abstract text is available yet for this article.
November 18, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27859502/the-origin-of-fibrogenic-myofibroblasts-in-fibrotic-liver
#12
Tatiana Kisseleva
Liver fibrosis results from chronic liver injury of different etiologies. It is characterized by dysregulation of physiological remodeling, activation of myofibroblasts, and formation of a fibrous scar. Myofibroblasts develop contractile functions and secrete the extracellular matrix proteins that form this fibrous scar. Myofibroblasts are not present in the normal liver, but activate and proliferate in response to injury and inflammation. This review will summarize the understanding and controversies on the contribution of cell populations to the myofibroblasts in liver fibrosis...
November 18, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27859489/elevated-fabp1-serum-levels-are-associated-with-poorer-survival-in-acetaminophen-induced-acute-liver-failure
#13
Constantine J Karvellas, Jaime L Speiser, Mélanie Tremblay, William M Lee, Christopher F Rose
BACKGROUND/AIM: Acetaminophen (APAP)-induced Acute Liver Failure (ALF) is associated with significant mortality. Traditional prognostic scores lack sensitivity. HYPOTHESIS: Serum Liver-type Fatty Acid Binding Protein (FABP1) early (day 1) or late (day 3-5) levels are associated with 21-day mortality in the absence of liver transplant. METHODS: Serum samples from 198 APAP-ALF patients (nested case control study with 99 survivors, 99 non-survivors) were analyzed by ELISA methods and assessed with clinical data from the US Acute Liver Failure Study Group (ALFSG) Registry (1998-2014)...
November 18, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27859514/preserving-lxr-by-inhibiting-t39-a-step-closer-to-treating-atherosclerosis-and-steatohepatitis
#14
Melanie Tran, Li Wang
No abstract text is available yet for this article.
November 17, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27859498/the-srl-peptide-of-rhesus-rotavirus-vp4-protein-governs-cholangiocyte-infection-and-the-murine-model-of-biliary-atresia
#15
Sujit K Mohanty, Bryan Donnelly, Inna Lobeck, Ashley Walther, Phylicia Dupree, Abigail Coots, Jaroslaw Meller, Monica McNeal, Karol Sestak, Greg Tiao
: Biliary atresia (BA) is a neonatal obstructive cholangiopathy which progresses to end stage liver disease, often requiring transplantation. The murine model of BA, employing rhesus rotavirus (RRV), parallels human disease and has been used to elucidate mechanistic aspects of a virus induced biliary cholangiopathy. We previously reported that RRV VP4 gene plays an integral role in activating the immune system and induction of BA. Utilizing rotavirus binding and blocking assays, this study elucidated how RRV VP4 protein governs cholangiocyte susceptibility to infection both in vitro and in vivo in the murine model of BA...
November 17, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27862159/risk-for-alcoholic-liver-cirrhosis-after-an-initial-hospital-contact-with-alcohol-problems-a-nationwide-prospective-cohort-study
#16
Gro Askgaard, David A Leon, Mette S Kjaer, Thomas Deleuran, Thomas A Gerds, Janne S Tolstrup
: Alcoholic liver cirrhosis is usually preceded by many years of heavy drinking, in which cessation in drinking could prevent the disease. Alcohol problems are not consistently managed in hospital patients. We followed all Danish patients with an initial hospital contact with alcohol problems (intoxication, harmful use, or dependence) during 1998-2002 for alcoholic liver cirrhosis development (n = 36,044). In this registry-based cohort we identified predictors of the absolute risk for alcoholic liver cirrhosis...
November 16, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27862118/prevention-of-hepatic-fibrosis-with-liver-microsomal-triglyceride-transfer-protein-deletion-in-liver-fatty-acid-binding-protein-null-mice
#17
Elizabeth P Newberry, Yan Xie, Susan M Kennedy, Mark J Graham, Rosanne M Crooke, Hui Jiang, Anping Chen, Daniel S Ory, Nicholas O Davidson
: Blocking hepatic very low density lipoprotein (VLDL) secretion via genetic or pharmacologic inhibition of microsomal triglyceride (TG) transfer protein (Mttp) causes hepatic steatosis, yet the risks for developing hepatic fibrosis are poorly understood. Here we report that liver-specific Mttp knockout mice (Mttp-LKO) exhibit both steatosis and fibrosis, which is exacerbated by a high trans fat, fructose diet. When crossed into germline Liver fatty acid binding protein null mice (Mttp-LKO, L-Fabp (-/-) , ie DKO mice) hepatic steatosis was greatly diminished and fibrosis prevented, on both low and high fat diets...
November 14, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27862115/pediatric-acute-liver-failure-of-undetermined-cause-a-research-workshop
#18
Estella M Alonso, Simon P Horslen, Edward M Behrens, Edward Doo
: Pediatric Acute liver failure (PALF) is a potentially devastating condition which occurs in previously healthy children of all ages and frequently leads to a rapid clinical deterioration. An identified cause for liver injury is lacking in approximately 30% of cases. Children with undetermined diagnosis have lower spontaneous survival and higher rates of transplantation and death than other diagnostic groups. A single day workshop sponsored by the National Institute of Diabetes and Digestive and Kidney Diseases brought together clinicians and basic scientists to integrate aligned research findings and develop a foundation for new mechanistic studies and future treatment trials...
November 14, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27859418/mutual-epithelium-macrophage-dependency-in-liver-carcinogenesis-mediated-by-st18
#19
Micol Ravà, Aleco D'Andrea, Mirko Doni, Theresia R Kress, Renato Ostuni, Valerio Bianchi, Marco J Morelli, Agnese Collino, Serena Ghisletti, Paola Nicoli, Camilla Recordati, Maria Iascone, Aurelio Sonzogni, Lorenzo D'Antiga, Ruchi Shukla, Geoffrey J Faulkner, Gioacchino Natoli, Stefano Campaner, Bruno Amati
: The ST18 gene was proposed to act either as a tumor suppressor or as an oncogene in different human cancers, but direct evidence for its role in tumorigenesis was missing so far. Here, we demonstrate that ST18 is critical for tumor progression and maintenance in a mouse model of liver cancer, based on oncogenic transformation and adoptive transfer of primary precursor cells (hepatoblasts). ST18 mRNA and protein were detectable neither in the normal liver nor in cultured hepatoblasts, but were readily expressed following subcutaneous engraftment and tumor growth...
November 14, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27862130/reply-to-16-1347-r1
#20
LETTER
James Hamilton, Svetlana Lutsenko
No abstract text is available yet for this article.
November 10, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
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