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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/29331078/primary-biliary-cholangitis-dna-and-beyond-the-relative-contribution-of-genes
#1
EDITORIAL
Aliya F Gulamhusein, Konstantinos N Lazaridis
No abstract text is available yet for this article.
January 13, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29331071/hepatic-ppar%C3%AE-function-is-controlled-by-polyubiquitination-and-proteasome-mediated-degradation-via-the-coordinated-actions-of-paqr3-and-huwe1
#2
Zilong Zhao, Daqian Xu, Zheng Wang, Lin Wang, Ruomei Han, Zhenzhen Wang, Lujian Liao, Yan Chen
Peroxisome proliferator-activated receptor α (PPARα) is a key transcriptional factor that regulates hepatic lipid catabolism by stimulating fatty acid oxidation and ketogenesis in an adaptive response to nutrient starvation. However, how PPARα is regulated by post-translational modification is poorly understood. Here, we identified that PAQR3 promotes PPARα ubiquitination through the E3 ubiquitin ligase HUWE1, thereby negatively modulating PPARα functions both in vitro and in vivo. Adenovirus-mediated Paqr3 knockdown and liver-specific deletion of the Paqr3 gene reduced hepatic triglyceride levels while increasing fatty acid oxidation and ketogenesis upon fasting...
January 13, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29331069/cellular-membrane-trafficking-machineries-utilized-by-the-hepatitis-viruses
#3
REVIEW
Jun Inoue, Masashi Ninomiya, Tooru Shimosegawa, Mark A McNiven
While the life cycles of hepatitis viruses (hepatitis A, B, C, D, and E viruses) have been modestly characterized, recent intensive studies have provided new insights. Because these viruses 'hijack' the membrane trafficking of the host cell machinery during replicative propagation, it is essential to determine and understand these specific cellular pathways. Hepatitis B virus (HBV) and hepatitis C virus (HCV) are well known as a leading cause of liver cirrhosis and hepatocellular carcinoma. While substantial inroads toward treating HCV patients have recently been made, patients with HBV continue to require life-long treatment, which makes a thorough understanding of the HBV life cycle essential...
January 13, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29331068/a-fixed-partial-emt-triggers-carcinogenesis-whereas-asymmetrical-division-of-hybrid-emt-cells-drives-cancer-progression
#4
EDITORIAL
Evgeny V Denisov, Vladimir M Perelmuter
No abstract text is available yet for this article.
January 13, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29328508/serologic-responses-and-effectiveness-of-hepatitis-a-vaccination-among-hiv-positive-individuals-during-the-outbreak-of-acute-hepatitis-a
#5
Kuan-Yin Lin, Szu-Min Hsieh, Hsin-Yun Sun, Yi-Chun Lo, Wang-Huei Sheng, Yu-Chung Chuang, Aristine Cheng, Sung-Ching Pan, Guan-Jhou Chen, Chien-Ching Hung, Shan-Chwen Chang
Outbreaks of hepatitis A virus (HAV) infection have been occurring among men who have sex with men (MSM) in Asia-Pacific region, the United States, and several European countries since June 2015, and recently among persons who are homeless and use illicit drugs in the US. We evaluated the serologic responses and effectiveness of HAV vaccination in HIV-positive individuals during the outbreak in Taiwan. From June 1, 2015 to September 30, 2016, anti-HAV IgG was prospectively determined among all HIV-positive individuals...
January 12, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29328502/hepatocellular-carcinoma-related-cyclin-d1-is-selectively-regulated-by-autophagy-degradation-system
#6
Shan-Ying Wu, Sheng-Hui Lan, Shang-Rung Wu, Yen-Chi Chiu, Xi-Zhang Lin, Ih-Jen Su, Ting-Fen Tsai, Chia-Jui Yen, Tsung-Hsueh Lu, Fu-Wen Liang, Chung-Yi Li, Huey-Jen Su, Chun-Li Su, Hsiao-Sheng Liu
Dysfunction of degradation machineries causes cancers, including hepatocellular carcinoma (HCC). Overexpression of cyclin D1 in HCC has been reported. We previously reported that autophagy preferentially recruits and degrades the oncogenic miR-224 to prevent HCC. Therefore, in the present study we attempted to clarify whether cyclin D1 is another oncogenic factor selectively regulated by autophagy in HCC tumorigenesis. Initially, we found an inverse correlation between low autophagic activity and high cyclin D1 expression in the tumors of 147 HCC patients and three murine models, and these results taken together revealed a correlation with poor overall survival of HCC patients, indicating the importance of these two events in HCC development...
January 12, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29328499/mait-cells-are-chronically-activated-in-patients-with-autoimmune-liver-disease-and-promote-pro-fibrogenic-hepatic-stellate-cell-activation
#7
Katrin Böttcher, Krista Rombouts, Francesca Saffioti, Davide Roccarina, Matteo Rosselli, Andrew Hall, TuVinh Luong, Emmanuel A Tsochatzis, Douglas Thorburn, Massimo Pinzani
Autoimmune liver diseases (AILD) are chronic liver pathologies characterised by fibrosis and cirrhosis due to immune-mediated liver damage. In this study, we addressed the question whether mucosal-associated invariant T (MAIT) cells, innate-like T cells, are functionally altered in patients with AILD and whether MAIT cells can promote liver fibrosis through activation of hepatic stellate cells. We analysed the phenotype and function of MAIT cells from AILD patients and healthy controls by multi-colour flow cytometry and investigated the interaction between human MAIT cells and primary human hepatic stellate cells (hHSCs)...
January 12, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29328497/identification-of-theranostic-biomarkers-to-improve-the-stratification-of-patients-with-pediatric-liver-cancer-opportunities-and-challenges
#8
EDITORIAL
Carolina Armengol, Stefano Cairo
No abstract text is available yet for this article.
January 12, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29315766/disruption-of-adenosine-2a-receptor-exacerbates-nafld-through-increasing-inflammatory-responses-and-srebp1c-activity
#9
Yuli Cai, Honggui Li, Mengyang Liu, Ya Pei, Juan Zheng, Jing Zhou, Xianjun Luo, Wenya Huang, Linqiang Ma, Qiuhua Yang, Shaodong Guo, Xiaoqiu Xiao, Qifu Li, Tianshu Zeng, Fanyin Meng, Heather Francis, Shannon Glaser, Lulu Chen, Yuqing Huo, Gianfranco Alpini, Chaodong Wu
Adenosine 2A receptor (A2A R) exerts protective roles in endotoxin- and/or ischemia-induced tissue damages. However, the role for A2A R in non-alcoholic fatty liver disease (NAFLD) remains largely unknown. We sought to examine the effects of global and/or myeloid cell-specific A2A R disruption on the aspects of obesity-associated NAFLD and to elucidate the underlying mechanisms. Global and/or myeloid cell-specific A2A R-disrupted mice, as well as control mice were fed a high-fat diet (HFD) to induce NAFLD. Also, bone marrow-derived macrophages and primary mouse hepatocytes were examined for inflammatory and metabolic responses...
January 9, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29315726/single-cell-analysis-reveals-cancer-stem-cell-heterogeneity-in-hepatocellular-carcinoma
#10
Hongping Zheng, Yotsawat Pomyen, Maria Olga Hernandez, Caiyi Li, Ferenc Livak, Wei Tang, Hien Dang, Tim F Greten, Jeremy L Davis, Yongmei Zhao, Monika Mehta, Yelena Levin, Jyoti Shetty, Bao Tran, Anuradha Budhu, Xin Wei Wang
Intratumor molecular heterogeneity of hepatocellular carcinoma (HCC) is partly attributed to the presence of hepatic cancer stem cells (CSCs). Different CSC populations defined by various cell surface markers may contain different oncogenic drivers, posing a challenge in defining molecular-targeted therapeutics. We combined transcriptomic and functional analyses of HCC cells at the single cell level to assess the degree of CSC heterogeneity. We provide evidence that hepatic CSCs at the single-cell level are phenotypically, functionally and transcriptionally heterogeneous...
January 9, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29315712/hcc-screening-is-associated-with-survival-benefit-in-the-in-an-silico-but-needs-confirmation-in-an-vivo-analysis
#11
EDITORIAL
Ruben Hernaez, Fasiha Kanwal, Hashem B El-Serag
No abstract text is available yet for this article.
January 9, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29315689/quality-of-life-and-primary-sclerosing-cholangitis-the-business-of-defining-what-counts
#12
EDITORIAL
K Arndtz, G M Hirschfield
No abstract text is available yet for this article.
January 9, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29315697/fractional-excretion-of-urea-a-simple-tool-for-the-differential-diagnosis-of-acute-kidney-injury-in-cirrhosis
#13
Kavish R Patidar, Le Kang, Jasmohan S Bajaj, Daniel Carl, Arun J Sanyal
Current approaches to determine the cause of acute kidney injury (AKI) in patients with cirrhosis are suboptimal. The aim of this study was to determine the utility of fractional excretion of urea (FEUrea) for the differential diagnosis of AKI in cirrhotic patients. A retrospective analysis was performed in patients (n=50) with cirrhosis and ascites admitted with AKI. Using adjudicated etiology assessment as the reference standard, receiver operating curves (ROC) and optimal cutoff, sensitivity (Sn) and specificity (Sp) for the diagnosis of prerenal azotemia (PRA), type 1 hepatorenal syndrome (HRS) and acute tubular necrosis (ATN) was derived...
January 8, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29315693/nacseld-acute-on-chronic-liver-failure-nacseld-aclf-score-predicts-30-day-survival-in-hospitalized-patients-with-cirrhosis
#14
Jacqueline G O'Leary, K Rajender Reddy, Guadalupe Garcia-Tsao, Scott W Biggins, Florence Wong, Michael B Fallon, Ram M Subramanian, Patrick S Kamath, Paul Thuluvath, Hugo E Vargas, Benedict Maliakkal, Puneeta Tandon, Jennifer Lai, Leroy R Thacker, Jasmohan S Bajaj
NACSELD (North American Consortium for the Study of End-Stage Liver Disease) definition of acute-on-chronic liver failure (NACSELD-ACLF) as ≥2 extra-hepatic organ failures has been proposed as a simple bedside tool to assess risk of mortality in hospitalized patients with cirrhosis. We validated NACSELD-ACLF's ability to predict 30-day survival (defined as in-hospital death or hospice discharge) in a separate multicenter prospectively enrolled cohort of both infected and uninfected hospitalized patients with cirrhosis...
January 8, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29315674/is-mir-21-a-potent-target-for-liver-fibrosis
#15
EDITORIAL
Sanchuan Lai, Yasuko Iwakiri
No abstract text is available yet for this article.
January 8, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29315738/response-to-treatment-of-acute-hcv-cost-effective-but-at-what-price
#16
LETTER
Emily Bethea, Qiushi Chen, Chin Hur, Raymond T Chung, Jagpreet Chhatwal
No abstract text is available yet for this article.
January 5, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29315687/patterning-of-the-hepato-pancreatobiliary-boundary-by-bmp-reveals-heterogeneity-within-the-murine-liver-bud
#17
Amrita Palaria, Jesse R Angelo, Taylor Guertin, Jesse Mager, Kimberly D Tremblay
During development, the endoderm initiates organ-restricted gene expression patterns in a spatiotemporally controlled manner. This process, termed induction, requires signals from adjacent mesodermal derivatives. Fibroblast Growth Factor (FGF) and Bone Morphogenetic Protein (BMP) emanating from the cardiac mesoderm and the septum transversum mesenchyme (STM), respectively, are believed to be simultaneously and uniformly required to directly induce hepatic gene expression from the murine endoderm. Using small molecule inhibitors of BMP signals during liver bud induction in the developing mouse embryo, we find that BMP signaling is not uniformly required to induce hepatic gene expression...
January 5, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29315682/treatment-of-acute-hcv-cost-effective-but-at-what-price
#18
LETTER
Stephen E Congly, Samuel S Lee
No abstract text is available yet for this article.
January 5, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29281854/macrotrabecular-massive-hepatocellular-carcinoma-a-distinctive-histological-subtype-with-clinical-relevance
#19
Marianne Ziol, Nicolas Poté, Giuliana Amaddeo, Alexis Laurent, Jean-Charles Nault, Frédéric Oberti, Charlotte Costentin, Sophie Michalak, Mohamed Bouattour, Claire Francoz, Georges Philippe Pageaux, Jeanne Ramos, Thomas Decaens, Alain Luciani, Boris Guiu, Valérie Vilgrain, Christophe Aubé, Jonathan Derman, Cécile Charpy, Jessica Zucman-Rossi, Nathalie Barget, Olivier Seror, Nathalie Ganne-Carrié, Valérie Paradis, Julien Calderaro
We recently identified a novel histological subtype of hepatocellular carcinoma, designated as "macrotrabecular-massive" (MTM-HCC) and associated with specific molecular features. In order to assess the clinical relevance of this novel variant, we aimed to investigate its prognostic value in two large series of patients with HCC treated either by surgical resection or radiofrequency ablation (RFA). We retrospectively included 237 HCC surgical samples and 284 HCC liver biopsies from patients treated by surgical resection and RFA, respectively...
December 27, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29281849/of-mice-rats-and-men-small-animal-model-of-hepatitis-c-virus-infection
#20
Arash Grakoui, Christopher M Walker
No abstract text is available yet for this article.
December 27, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
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